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1.
  • Abraham, Wolf-Rainer, et al. (författare)
  • Woodsholea maritima gen. nov., sp. nov., a marine bacterium with a low diversity of polar lipids.
  • 2004
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 54:Pt 4, s. 1227-34
  • Tidskriftsartikel (refereegranskat)abstract
    • Two cauliform bacteria (CM243T and CM251) isolated by J. Poindexter from the Atlantic Ocean were characterized by 16S rRNA gene sequencing, TaqI restriction fragment length polymorphism and single-strand conformation polymorphism analyses of the internally transcribed 16S-23S rDNA spacer (ITS1) region, analysis of fatty acids from cellular lipids, mass spectrometry of polar lipids and physiological properties. The two strains showed very low diversity of polar lipids with diacyl-sulfoquinovosyl glycerols as the predominant lipids. The two bacterial strains were observed to have nearly identical 16S rRNA gene sequences and could not be differentiated by their ITS1 regions. The isolates differed from species of the genus Maricaulis by their 16S rRNA gene sequences, polar lipids and fatty acid patterns. On the basis of the genotypic analyses and estimations of phylogenetic similarities, physiological and chemotaxonomic characteristics, it is proposed that the isolates represent a new genus and species, for which the name Woodsholea maritima gen. nov., sp. nov. (type strain CM243T=VKM B-1512T=LMG 21817T) is proposed.
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2.
  • Allen, TD, et al. (författare)
  • Cloacibacterium normanense gen. nov., sp nov., a novel bacterium in the family Flavobacteriaceae isolated from municipal wastewater
  • 2006
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 56, s. 1311-1316
  • Tidskriftsartikel (refereegranskat)abstract
    • Phenotypic and phylogenetic studies were performed on three isolates of an unknown Gram-negative, facultatively anaerobic, non-motile, yellow-pigmented, rod-shaped organism isolated from raw sewage. 16S rRNA gene sequence analysis indicated that these strains were members of the Bergeyella–Chryseobacterium–Riemerella branch of the family Flavobacteriaceae. The unknown bacterium was readily distinguished from reference strains by 16S rRNA gene sequencing and biochemical tests. The organism contained menaquinone MK-6 as the predominant respiratory quinone and had a DNA G+C content of 31 mol%. A most probable number-PCR approach was developed to detect, and estimate the numbers of, this organism. Untreated wastewater from one plant yielded an estimated count of 1.4×105 cells ml−1, and untreated wastewater from a second plant yielded an estimated count of 1.4×104 cells ml−1. Signal was not detected from treated effluent or from human stool specimens. On the basis of the results of the study presented, it is proposed that the unknown bacterium be classified in a novel genus Cloacibacterium, as Cloacibacterium normanense gen. nov., sp. nov., which is also the type species. The type strain of Cloacibacterium normanense is strain NRS1T (=CCUG 46293T=CIP 108613T=ATCC BAA-825T=DSM 15886T).
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3.
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4.
  • Arahal, David R., et al. (författare)
  • Marinomonas blandensis sp nova, a novel marine gammaproteobacterium
  • 2016
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 66, s. 5544-5549
  • Tidskriftsartikel (refereegranskat)abstract
    • A novel Gram-staining-negative, chemoorganotrophic, moderately halophilic, strictly aerobic bacterium, strain MED121(T), was isolated from a seawater sample collected at the Blanes Bay Microbial Observatory in the north-western Mediterranean Sea. Analysis of its 16S rRNA gene sequence, retrieved from the whole-genome sequence, showed that this bacterium was most closely related to Marinomonas dokdonensis and other Marinomonas species (96.3 and 93.3-95.7% sequence similarities, respectively), within the family Oceanospirillaceae. Strain MED121(T) was included into a whole-genome sequencing study and, subsequently, it was characterized using a polyphasic taxonomic approach. It was found to be oxidase and catalase positive, its cells are cocci to short rods, it does not ferment carbohydrates and does not reduce nitrate to nitrite or gas and it requires at least 2.5% (w/v) marine salts and tolerates up to 7% (w/v) salts. Its major cellular fatty acids in order of abundance are C-16:1 omega 7c/C-16:1 omega 6c,C-18:1 omega 7c(1), C-16:0 and C-10:0 3-OH. Its genome had an approximate length of 5.1 million bases and a DNA G+C content equal to 40.9 mol%. Analysis of the annotated genes reveals the capacity for the synthesis of ubiquinone 8 (O8) and the polar lipids phosphatidylglycerol and phosphatidylethanolannine, in agreement with other members of the genus. All the data collected supported the creation of a novel species to accommodate this bacterium, for which the name Marinomonas blandensis sp. nov. is proposed. The type strain is MED121(T) (=CECT 7076(T)=LMG 29722(T)).
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5.
  • Arahal, David, et al. (författare)
  • The best of both worlds: a proposal for further integration of Candidatus names into the International Code of Nomenclature of Prokaryotes
  • 2024
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - 1466-5026 .- 1466-5034. ; 74:1
  • Tidskriftsartikel (refereegranskat)abstract
    • The naming of prokaryotes is governed by the International Code of Nomenclature of Prokaryotes (ICNP) and partially by the International Code of Nomenclature for Algae, Fungi and Plants (ICN). Such codes must be able to determine names of taxa in a universal and unambiguous manner, thus serving as a common language across different fields and activities. This unity is undermined when a new code of nomenclature emerges that overlaps in scope with an established, time-tested code and uses the same format of names but assigns different nomenclatural status values to the names. The resulting nomenclatural confusion is not beneficial to the wider scientific community. Such ambiguity is expected to result from the establishment of the ‘Code of Nomenclature of Prokaryotes Described from DNA Sequence Data’ (‘SeqCode’), which is in general and specific conflict with the ICNP and the ICN. Shortcomings in the interpretation of the ICNP may have exacerbated the incompatibility between the codes. It is reiterated as to why proposals to accept sequences as nomenclatural types of species and subspecies with validly published names, now implemented in the SeqCode, have not been implemented by the International Committee on Systematics of Prokaryotes (ICSP), which oversees the ICNP. The absence of certain regulations from the ICNP for the naming of as yet uncultivated prokaryotes is an acceptable scientific argument, although it does not justify the establishment of a separate code. Moreover, the proposals rejected by the ICSP are unnecessary to adequately regulate the naming of uncultivated prokaryotes. To provide a better service to the wider scientific community, an alternative proposal to emend the ICNP is presented, which would result in Candidatus names being regulated analogously to validly published names. This proposal is fully consistent with previous ICSP decisions, preserves the essential unity of nomenclature and avoids the expected nomenclatural confusion.
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6.
  • Ast, Jennifer C, et al. (författare)
  • Photobacterium kishitanii sp. nov., a luminous marine bacterium symbiotic with deep-sea fishes.
  • 2007
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 57:Pt 9, s. 2073-8
  • Tidskriftsartikel (refereegranskat)abstract
    • Six representatives of a luminous bacterium commonly found in association with deep, cold-dwelling marine fishes were isolated from the light organs and skin of different fish species. These bacteria were Gram-negative, catalase-positive, and weakly oxidase-positive or oxidase-negative. Morphologically, cells of these strains were coccoid or coccoid-rods, occurring singly or in pairs, and motile by means of polar flagellation. After growth on seawater-based agar medium at 22 degrees C for 18 h, colonies were small, round and white, with an intense cerulean blue luminescence. Analysis of 16S rRNA gene sequence similarity placed these bacteria in the genus Photobacterium. Phylogenetic analysis based on seven housekeeping gene sequences (16S rRNA gene, gapA, gyrB, pyrH, recA, rpoA and rpoD), seven gene sequences of the lux operon (luxC, luxD, luxA, luxB, luxF, luxE and luxG) and four gene sequences of the rib operon (ribE, ribB, ribH and ribA), resolved the six strains as members of the genus Photobacterium and as a clade distinct from other species of Photobacterium. These strains were most closely related to Photobacterium phosphoreum and Photobacterium iliopiscarium. DNA-DNA hybridization values between the designated type strain, Photobacterium kishitanii pjapo.1.1(T), and P. phosphoreum LMG 4233(T), P. iliopiscarium LMG 19543(T) and Photobacterium indicum LMG 22857(T) were 51, 43 and 19 %, respectively. In AFLP analysis, the six strains clustered together, forming a group distinct from other analysed species. The fatty acid C(17 : 0) cyclo was present in these bacteria, but not in P. phosphoreum, P. iliopiscarium or P. indicum. A combination of biochemical tests (arginine dihydrolase and lysine decarboxylase) differentiates these strains from P. phosphoreum and P. indicum. The DNA G+C content of P. kishitanii pjapo.1.1(T) is 40.2 %, and the genome size is approximately 4.2 Mbp, in the form of two circular chromosomes. These strains represent a novel species, for which the name Photobacterium kishitanii sp. nov. is proposed. The type strain, pjapo.1.1(T) (=ATCC BAA-1194(T)=LMG 23890(T)), is a luminous symbiont isolated from the light organ of the deep-water fish Physiculus japonicus.
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7.
  • Berckx, Fede, 1993-, et al. (författare)
  • Streptomyces coriariae sp. nov., a novel streptomycete isolated from actinorhizal nodules of Coriaria intermedia
  • 2022
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 72:12
  • Tidskriftsartikel (refereegranskat)abstract
    • An actinobacterial strain, CMB-FB, was isolated from surface-sterilized root nodules of a Coriaria intermedia plant growing along Halsema Highway in the province of Benguet (Luzon, Philippines). The 16S rRNA gene sequence of CMB-FB showed high sequence similarity to those of the type strains of Streptomyces rishiriensis (99.4 %), Streptomyces humidus (99.1 %), Streptomyces cacaoi subsp. asoensis (99.0 %), and Streptomyces phaeofaciens (98.6 %). The major menaquinones of CMB-FB were composed of MK-9(H4), MK-9(H6) and MK-9(H8), and there was a minor contribution of MK-9(H10). The polar lipid profile consisted of phosphatidylethanolamine, unidentified aminolipids and phospholipids, a glycophospholipid and four unidentified lipids. The diagnostic diamino acid of the peptidoglycan was meso-diaminopimelic acid. The major fatty acids were iso-C16 : 0, anteiso-C15 : 0 and anteiso-C17 : 0. The results of physiological analysis indicated that CMB-FB was mesophilic. The results of phylogenetic, genome-genome distance calculation and average nucleotide identity analysis indicated that the isolated strain represents the type strain of a novel species. On the basis of these results, strain CMB-FB (=DSM 112754T=LMG 32457T) is proposed as the type strain of the novel species Streptomyces coriariae sp. nov.
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8.
  • Busse, H. J., et al. (författare)
  • Reclassification of Arthrobacter nasiphocae (Collins et al. 2002) as Falsarthrobacter nasiphocae gen. nov., comb. nov
  • 2018
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 68:4, s. 1361-1364
  • Tidskriftsartikel (refereegranskat)abstract
    • The original description of Arthrobacter nasiphocae M597/99/10(T) demonstrated that it is distantly related to the type species of the genus Arthrobacter, Arthrobacter globiformis, and that this phylogenetic relationship is reflected by the distinct peptidoglycan type [Lys-Ala(2)-Gly(2-3)-Ala(Gly)] and the features of the quinone system, which is composed of menaquinones MK-9(H-2) and MK-8(H-2). Here, we report a re-evaluation of the taxonomic status of A. nasiphocae. Phylogenetically, it was observed to be only distantly related to the genus Arthrobacter and to the type species of related genera. Re-analysis confirmed the quinone system menaquinones MK-9(H-2) and MK-8(H-2) in A. nasiphocae. Analysis of cell polar lipids showed a profile consisting of the predominant lipids diphosphatidylglycerol, phosphatidylglycerol, dimannosylglyceride, an unidentified phospholipid and an unidentified aminophosphoglycolipid, and several minor unidentified lipids. This profile clearly is different from that of Arthrobacter species. The cell fatty acid profile also showed characteristics that distinguished A. nasiphocae from Arthrobacter species. The phylogenetic distance of A. nasiphocae from any type species of genera within the family Micrococcaceae and the distinct chemotaxonomic traits warrant the reclassification of A. nasiphocae within a novel genus, for which we propose the name Falsarthrobacter nasiphocae gen. nov., comb. nov. The type strain is M597/99/10(T) (=CCUG 42953(T)=CIP 107054(T)=DSM 13988(T)=JCM 11677(T)).
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9.
  • Callac, Nolwenn, et al. (författare)
  • Pyrococcus kukulkanii sp nov., a hyperthermophilic, piezophilic archaeon isolated from a deep-sea hydrothermal vent
  • 2016
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 66, s. 3142-3149
  • Tidskriftsartikel (refereegranskat)abstract
    • A novel hyperthermophilic, piezophilic, anaerobic archaeon, designated NCB100(T), was isolated from a hydrothermal vent flange fragment collected in the Guaymas basin at the hydrothermal vent site named 'Rebecca's Roost' at a depth of 1997 m. Enrichment and isolation were performed at 100 degrees C under atmospheric pressure. Cells of strain NCB100(T) were highly motile, irregular cocci with a diameter of -1 mu m. Growth was recorded at temperatures between 70 and 112 degrees C (optimum 105 degrees C) and hydrostatic pressures of 0.1-80 MPa (optimum 40-50 MPa). Growth was observed at pH 3.5-8.5 (optimum pH 7) and with 1.5-7% NaCl (optimum at 2.5-3 %). Strain NCB100(T) was a strictly anaerobic chemo-organoheterotroph and grew on complex proteinaceous substrates such as yeast extract, peptone and tryptone, as well as on glycogen and starch. Elemental sulfur was required for growth and was reduced to hydrogen sulfide. The fermentation products from complex proteinaceous substrates were CO2 and H-2. The G+C content of the genomic DNA was 41.3 %. Phylogenetic analysis of the 16S rRNA gene sequence revealed that strain NCB100(T) belongs to the genus Pyrococcus, showing 99% similarity with the other described species of the genus Pyrococcus. On the basis of physiological characteristics, DNA G+C content, similarity level between ribosomal proteins and an average nucleotide identity value of 79 %, strain NCB100(T) represents a novel species for which the name Pyrococcus kukulkanii sp. nov. is proposed. The type strain is NCB100(T) (=DSM 101590(T) =Souchotheque de Bretagne BG1337(T)).
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10.
  • Carvalheira, A., et al. (författare)
  • Acinetobacter portensis sp. Nov. and acinetobacter guerrae sp. nov., isolated from raw meat
  • 2020
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 70:8, s. 4544-4554
  • Tidskriftsartikel (refereegranskat)abstract
    • The taxonomic status of six strains of Acinetobacter obtained from meat samples, collected from supermarkets in Porto, Por-tugal, was investigated using polyphasic analysis. Partial rpoB sequence similarities lower than 95 % to other Acinetobacter species with validly published names led to the hypothesis that these strains represented novel species. This was confirmed based on comparative multilocus sequence analysis, which included the gyrB, recA and 16S rRNA genes, revealing that these strains represented two coherent lineages that were distinct from each other and from all known species. The names Acine-tobacter portensis sp. nov. (comprising four strains) and Acinetobacter guerrae sp. nov. (comprising two strains) are proposed for these novel species. The species status of these two groups was confirmed by low (below 95 %) whole-genome sequence average nucleotide identity values and low (below 70 %) digital DNA–DNA hybridization similarities between the whole-genome sequences of the proposed type strains of each novel species and the representatives of the known Acinetobacter species. Phylogenomic treeing from core genome analysis supported these results. The coherence of each new species lineage was supported by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry differentiation of the species at the protein level, by cellular fatty acid profiles, and by unique and differential combinations of metabolic and physiological properties shared by each novel species. The type strain of A. portensis sp. nov. is AC 877T (=CCUG 68672T=CCM 8789T) and the type strain of A. guerrae sp. nov. is AC 1271T (=CCUG 68674T=CCM 8791T). © 2020 The Authors.
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11.
  • Cirne, Dores, et al. (författare)
  • Clostridium lundense sp nov., a novel anaerobic lipolytic bacterium isolated from bovine rumen
  • 2006
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 56:3, s. 625-628
  • Tidskriftsartikel (refereegranskat)abstract
    • A strictly anaerobic, mesophilic, endospore-forming, lipolytic bacterium, designated strain R1(T), was isolated from bovine rumen fluid and characterized. Cells of this isolate were Gram-positive, non-motile rods that formed spherical terminal spores. The overall biochemical and physiological characteristics indicated that this strain should be placed in the genus Clostridium. The strain grew at temperatures between 25 and 47 degrees C (optimum, 37 degrees C), at pH between 5(.)0 and 8(.)5 (optimum pH 5(.)5-7(.)0) and in NaCl concentrations of 0-3% (w/v). The isolate was not able to utilize glucose or other carbohydrates as carbon sources. The DNA G+C content was 31(.)2 mol%. Sequence analysis of the 16S rRNA gene of R1(T) revealed that it has the closest match (98 % similarity) with Clostridium tetanomorphum DSM 4474(T). The highest levels of DNA-DNA relatedness of the isolate were 61(.)9 and 54(.)3 % with Clostridium pascui DSM 10365(T) and C. tetanomorphum DSM 4474(T), respectively. Based on 16S rRNA gene sequence similarity, phylogenetic analysis, DNA G+C content, DNA-DNA hybridization data and distinct phenotypic characteristics, strain R1(T) (=DSM 17049(T)=CCUG 50446(T)) was classified in the genus Clostridium, as a member of a novel species, for which the name Clostridium lundense sp. nov. is proposed.
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12.
  • Claverías, Fernanda, et al. (författare)
  • Corynebacterium alimapuense sp. nov., an obligate marine actinomycete isolated from sediment of Valparaíso bay, Chile.
  • 2019
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5034 .- 1466-5026. ; 69:3, s. 783-790
  • Tidskriftsartikel (refereegranskat)abstract
    • A novel Gram-positive, non-motile, non-spore-forming and aerobic bacterium, designated strain VA37-3T, was isolated from a marine sediment sample collected at 19.2m water depth from Valparaíso bay, Chile. Strain VA37-3T exhibits 97.6% 16S rRNA gene sequence similarity to Corynebacterium marinum D7015T, 96.4% to Corynebacterium humireducens MFC-5T and 96% to Corynebacterium testudinoris M935/96/4T; and a rpoB gene sequence similarity of 85.1% to Corynebacterium pollutisoli VMS11T, both analyses suggesting that strain VA37-3T represents a novel species of Corynebacterium. Physiological testing indicated that strain VA37-3T requires artificial sea water or sodium-supplemented media for growth, representing the first obligate marine actinomycete of the genus Corynebacterium. The genome of the proposed new species, along with the type strains of its most closely related species were sequenced and characterized. In silico genome-based similarity analyses revealed an ANIb of 72.8% (C. marinum D7015T), ANIm of 85.0% (Corynebacterium mustelae DSM 45274T), tetra of 0.90 (Corynebacterium callunae DSM 20147T) and ggdc of 24.7% (Corynebacterium kutscheri DSM 20755T) when compared with the closest related strains. The genomic DNA G+Ccontent of strain VA37-3T was 57.0%. Chemotaxonomic assessment of strain VN6-2T showed the major fatty acids were C18:1ω9c and C16:0. Menaquinones predominantly consisted of MK-8(II-H2). Polar lipids consisted of diphosphatidylglycerol, glycolipids, phosphatidylglycerol, phosphoglycolipid and phosphatidylinositol. Mycolic acids also were present. Overall, the results from phylogenetic, phenotypic and genomic analyses confirmed that strain VA37-3T represents a novel species of the genus Corynebacterium, for which the name Corynebacterium alimapuense sp. nov. is proposed, with VA37-3T as the type strain (=CCUG 69366T=NCIMB 15118T).
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13.
  • Coenye, Tom, et al. (författare)
  • Advenella incenata gen. nov., sp nov., a novel member of the Alcaligenaceae, isolated from various clinical samples
  • 2005
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 55, s. 251-256
  • Tidskriftsartikel (refereegranskat)abstract
    • A polyphasic taxonomic study of 14 isolates recovered from various human and veterinary clinical samples was performed. Phenotypically these isolates shared several characteristics with members of the Alcaligenaceae and related genera. Random amplified polymorphic DNA fingerprinting and whole-cell protein analysis suggested the presence of multiple genomic groups, which was confirmed by DNA–DNA hybridization experiments. 16S rRNA gene sequence analysis indicated that these isolates were related to the genera Pelistega, Taylorella, Oligella, Pigmentiphaga, Alcaligenes, Kerstersia, Achromobacter and Bordetella and belonged to the family Alcaligenaceae. Based on the results of the present study the organisms were classified in a novel genus, Advenella gen. nov. This genus comprises one named species, Advenella incenata sp. nov. (type strain LMG 22250T=CCUG 45225T) and five currently unnamed genomic species. The DNA G+C content of members of the novel genus Advenella is between 54·0 and 57·7 mol%.
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14.
  • Coenye, Tom, et al. (författare)
  • Stenotrophomonas africana Drancourt et al. 1997 is a later synonym of Stenotrophomonas maltophilia (Hugh 1981) Palleroni and Bradbury 1993
  • 2004
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 54, s. 1235-1237
  • Tidskriftsartikel (refereegranskat)abstract
    • Type and reference strains of Stenotrophomonas maltophilia and Stenotrophomonas africana were compared with each other and with the type strains of other Stenotrophomonas species, using SDS-PAGE of whole-cell proteins, DNA–DNA hybridization and extensive biochemical characterization. S. maltophilia LMG 958T and S. africana LMG 22072T had very similar whole-cell-protein patterns and were also biochemically very similar. A DNA–DNA binding level of 70 % between both type strains confirmed that S. africana and S. maltophilia represent the same taxon. It is concluded that S. africana is a later synonym of S. maltophilia.
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15.
  • Collins, Matthew D., et al. (författare)
  • Arsenicicoccus bolidensis gen. nov., sp nov., a novel actinomycete isolated from contaminated lake sediment
  • 2004
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 54, s. 605-608
  • Tidskriftsartikel (refereegranskat)abstract
    • An unknown Gram-positive, catalase-positive, facultatively anaerobic, non-spore-forming, coccus-shaped bacterium originating from sediment was characterized using phenotypic, molecular chemical and molecular phylogenetic methods. Chemical studies revealed the presence of a cell-wall murein based on ll-diaminopimelic acid (type ll-Dpm-glycine1), a complex mixture of saturated, monounsaturated and iso- and anteiso-methyl-branched, non-hydroxylated, long-chain cellular fatty acids and tetrahydrogenated menaquinones with eight isoprene units [MK-8(H4)] as the major respiratory lipoquinone. This combination of characteristics somewhat resembled members of the suborder Micrococcineae, but did not correspond to any currently described species. Comparative 16S rRNA gene sequencing confirmed that the unidentified coccus-shaped organism is a member of the Actinobacteria and represents a hitherto-unknown subline related to, albeit different from, a number of taxa including Intrasporangium, Janibacter, Terrabacter, Terracoccus and Ornithinicoccus. Based on phenotypic and phylogenetic considerations, it is proposed that the unknown bacterium originating from lake sediment be classified as a new genus and species, Arsenicicoccus bolidensis gen. nov., sp. nov. (type strain CCUG 47306T=DSM 15745T).
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16.
  • Collins, Matthew D., et al. (författare)
  • Corynebacterium caspium sp nov., from a Caspian seal (Phoca caspica)
  • 2004
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 54, s. 925-928
  • Tidskriftsartikel (refereegranskat)abstract
    • A previously unknown Gram-positive, non-spore-forming, non-lipophilic, catalase-positive, irregular rod-shaped bacterium (M/106/00/5T) was isolated, in mixed culture, from the penis of a Caspian seal (Phoca caspica). The strain was a facultative anaerobe that was able to grow at 22 and 42 °C. Comparative 16S rRNA gene sequencing showed that the organism formed a hitherto unknown subline within the genus Corynebacterium. Sequence divergence values of more than 5 % from other described Corynebacterium species, together with phenotypic differences, showed that the unidentified bacterium represents a previously unrecognized member of this genus. On the basis of phenotypic and phylogenetic considerations, it is proposed that the unknown bacterium isolated from a Caspian seal (strain M/106/00/5T=CCUG 44566T=CIP 107965T) be classified as the type strain of a novel species of the genus Corynebacterium, Corynebacterium caspium sp. nov.
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17.
  • Collins, Matthew D., et al. (författare)
  • Helcococcus sueciensis sp nov., isolated from a human wound
  • 2004
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 54, s. 1557-1560
  • Tidskriftsartikel (refereegranskat)abstract
    • A previously undescribed, Gram-positive, catalase-negative, coccus-shaped organism that originated from a human wound was subjected to taxonomic study. On the basis of its cellular morphology and the results of biochemical testing, the unknown organism was identified tentatively as a member of the genus Helcococcus, but it did not correspond to either of the two recognized species of this genus. Comparative 16S rRNA gene sequencing studies confirmed that the bacterium was associated phylogenetically with the genus Helcococcus, with the unidentified organism forming a hitherto unknown subline within the genus. On the basis of biochemical, molecular chemical and molecular phylogenetic evidence, it is proposed that the unknown organism that was recovered from a human wound should be classified as a novel species of the genus Helcococcus, namely Helcococcus sueciensis sp. nov. The type strain is CCUG 47334T (=CIP 108183T).
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18.
  • Cotta, Michael A, et al. (författare)
  • Robinsoniella peoriensis gen. nov., sp. nov., isolated from a swine-manure storage pit and a human clinical source.
  • 2009
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 59:1, s. 150-155
  • Tidskriftsartikel (refereegranskat)abstract
    • A polyphasic taxonomic study was performed on six strains of an unknown Gram-positive, non-motile, spore-forming, short oval to rod-shaped bacterium isolated from a swine-manure storage pit. In addition to these strains, an isolate deposited in the Culture Collection of the University of Göteborg (Sweden) was found to be biochemically related to the manure strains. The major end products of metabolism included acetate and succinate but not butyrate. Comparative 16S rRNA gene sequencing confirmed that all these isolates were closely related to each other and formed a hitherto unknown lineage within the clostridial rRNA XIVa cluster of organisms. On the basis of phylogenetic, biochemical and phenotypic evidence, it is proposed that the unknown bacterium represents a novel genus and species, for which the name Robinsoniella peoriensis gen. nov., sp. nov. is proposed. The type strain of Robinsoniella peoriensis is PPC31T (=CCUG 48729T =NRRL B-23985T).
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19.
  • Crespi, S., et al. (författare)
  • Legionella maioricensis sp. nov., a new species isolated from the hot water distribution systems of a hospital and a shopping center during routine sampling
  • 2023
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 73:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Two Legionella- like strains isolated from hot water distribution systems in 2012 have been characterized phenotypically, bio-chemically and genomically in terms of DNA relatedness. Both strains, HCPI- 6T and EUR- 108, exhibited biochemical pheno-typic profiles typical of Legionella species. Cells were Gram-negative motile rods which grew on BCYE alpha agar but not on blood agar and displayed phenotypic characteristics typical of the family Legionellaceae, including a requirement for L-cysteine and testing catalase positive. Both strains were negative for oxidase, urease, nitrate reduction and hippurate negative, and non -fermentative. The major ubiquinone was Q12 (59.4 % HCPI- 6T) and the dominant fatty acids were C16:1 omega 7c (28.4 % HCPI- 6T, 216 % EUR- 108), C16: 0 iso (222.5 % and 213 %) and C15: 0 anteiso (19.5 % and 223.5 %, respectively). The percent G+C content of genomic DNA was determined to be 39.3 mol %. The 16S rRNA gene, mip sequence and comparative genome sequence -based analyses (average nucleotide identity, ANI; digital DNA-DNA hybridization, dDDH; and phylogenomic treeing) demonstrated that the strains represent a new species of the genus Legionella. The analysis based on the 16S rRNA gene sequences showed that the sequence similarities for both strains ranged from 98.8-90.1 % to other members of the genus. The core genome- based phylogenomic tree (protein-concatemer tree based on concatenation of 418 proteins present in single copy) revealed that these two strains clearly form a separate cluster within the genus Legionella. ANI and dDDH values confirmed the distinctiveness of the strains. Based on the genomic, genotypic and phenotypic findings from a polyphasic study, the isolates are considered to represent a single novel species, for which the name Legionella maioricensis sp. nov. is proposed. The type strain is HCPI- 6T (=CCUG 75071T=CECT 30569T).
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20.
  • Crespo, Carla, et al. (författare)
  • Caloramator boliviensis sp. nov., a novel thermophilic, ethanol-producing bacterium isolated from a hot spring
  • 2012
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 62:7, s. 1679-1686
  • Tidskriftsartikel (refereegranskat)abstract
    • A novel moderately thermophilic, anaerobic, ethanol-producing bacterial strain, 45B(T), was isolated from a mixed sediment water sample collected from a hot spring at Potosi, Bolivia. The cells were straight to slightly curved rods, 2.5 μm long and 0.5 μm wide, approximately. The strain was variable to Gram stain, spore-forming and monotrichously flagellated. Growth of the strain was observed at 45-65 °C and at pH 5.5-8.0, at an optimum temperature of 60 °C and pH 6.5. The substrates utilized by the strain 45B(T) were xylose, cellobiose, glucose, arabinose, sucrose, lactose, maltose, fructose, galactose, mannose, glycerol, xylan, carboxy methylcellulose and yeast extract. The main fermentation product from xylose and cellobiose was ethanol (0.70 and 0.45 grams of ethanol per gram of consumed sugar, respectively). Acetate, lactate, propionate, carbon dioxide and hydrogen were also produced in minor quantities. 1,3-propanediol was produced when glycerol-containing medium was supplemented with yeast extract. The major cellular fatty acids were anteiso-C(15:0), C(16:0), iso-C(16:0), C(15:1), iso-C(14:0), C(13:0) and C(14:0). Polar lipids such as DPG, PG, PE, NGL and other 15 unidentified lipids were predominant in the cell. The DNA G+C content of strain 45B(T) was 32.6 mol %. Phylogenetic analysis based on 16S rDNA gene sequence similarity revealed that strain 45B(T) is located within the Gram-type positive Bacillus-Clostridium branch of the phylogenetic tree. On the basis of morphological, physiological properties and phylogenetic analysis, strain 45B(T) represents a novel species, for which the name Caloramator boliviensis sp. nov., is proposed. The type strain is 45B(T) (=DSM 22065(T) =CCUG 57396(T)).
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21.
  • Cuadrado, Virginia, et al. (författare)
  • Cupriavidus pampae sp. nov., a novel herbicide-degrading bacterium isolated from agricultural soil
  • 2010
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5034 .- 1466-5026. ; 60:11, s. 2606-2612
  • Tidskriftsartikel (refereegranskat)abstract
    • A bacterial consortium able to degrade the herbicide 4-(2,4-dichlorophenoxy) butyric acid (2,4-DB) was obtained from an agricultural soil of the Argentinean Humid Pampa region which has a history of long-term herbicide use. Four bacterial strains were isolated from the consortium and identified as members of the genera Cupriavidus, Labrys and Pseudomonas. A polyphasic systematic analysis was carried out on strain CPDB6(T), the member of the 2,4-DB-degrading consortium able to degrade 2,4-DB as a sole carbon and energy source. The Gram-negative, rod-shaped, motile, non-sporulating, non-fermenting bacterium was shown to belong to the genus Cupriavidus on the basis of 16S rRNA gene sequence analyses. Strain CPDB6(T) did not reduce nitrate, which differentiated it from the type species of the genus, Cupriavidus necator; it did not grow in 0.5-4.5% NaCl, although most species of Cupriavidus are able to grow at NaCl concentrations as high as 1.5%; and it was able to deamidate acetamide, which differentiated it from all other species of Cupriavidus. DNA-DNA hybridization data revealed low levels of genomic DNA similarity (less than 30%) between strain CPDB6(T) and the type strains of Cupriavidus species with validly published names. The major cellular fatty acids detected were cis-9-hexadecenoic (16:1ω7c) and hexadecanoic (16:0) acids. On the basis of phenotypic and genotypic characterizations, strain CPDB6(T) was recognized as a representative of a novel species within the genus Cupriavidus. The name Cupriavidus pampae sp. nov. is proposed, with strain CPDB6(T) (=CCUG 55948(T)=CCM-A-29:1289(T)) as the type strain.
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22.
  • Debruyne, Lies, et al. (författare)
  • Campylobacter subantarcticus sp. nov., isolated from birds in the sub-Antarctic region
  • 2010
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 60:Pt 4, s. 815-819
  • Tidskriftsartikel (refereegranskat)abstract
    • Six Gram-stain-negative, spiral-shaped, microaerobic isolates were obtained during a sampling from wild birds in the sub-Antarctic region. Based on initial observations, these isolates were classified as Campylobacter lari-like. The isolates were further characterized by whole-cell protein and amplified fragment length polymorphism (AFLP) analysis, which revealed that they were distinct from C. lari and all other known species of the genus Campylobacter. Here, we present comprehensive phylogenetic, genomic and phenotypic evidence that these isolates represent a novel species within the genus Campylobacter, for which the name Campylobacter subantarcticus sp. nov. is proposed. The type strain is R-3023(T) (=LMG 24377(T) =CCUG 38513(T)).
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23.
  • Debruyne, Lies, et al. (författare)
  • Campylobacter volucris sp. nov., isolated from black-headed gulls (Larus ridibundus)
  • 2010
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 60:8, s. 1870-1875
  • Tidskriftsartikel (refereegranskat)abstract
    • During a study of the prevalence of Campylobacter jejuni in black-headed gulls (Larus ridibundus) in Sweden, three isolates were initially identified as Campylobacter lari. Further characterization by both AFLP and whole-cell protein SDS-PAGE analysis revealed that they formed a distinct group in the Campylobacter genus. This unique position was confirmed by phenotypic characterization, 16S rRNA and hsp60 gene sequence analysis, and DNA-DNA hybridisations. The combined data confirm that these isolates represent a novel species within the genus Campylobacter, for which the name Campylobacter volucris sp. nov. is proposed. The type strain is LMG 24380T (=CCUG 57498T).
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24.
  • Delgado, Osvaldo, et al. (författare)
  • Nesterenkonia aethiopica sp nov., an alkaliphilic, moderate halophile isolated from an Ethiopian soda lake
  • 2006
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 56:6, s. 1229-1232
  • Tidskriftsartikel (refereegranskat)abstract
    • T Strain DSM 17733(T), isolated from the shore of Lake Abjata in Ethiopia, is a heterotrophic, alkaliphilic, moderately halophilic, Gram-positive, strictly aerobic, non-motile, non-endospore-forming bacterium. The organism grows optimally at 30-37 degrees C, pH 9 and 3 % (w/v) NaCl. Analysis of the cell wall showed the presence of murein of the type L-Lys-Gly-L-Glu, variation A4 alpha. The G + C content of the genomic DNA was 69(.)0 mol%. Sequence analysis of 16S rRNA gene sequence of strain DSM 17733(T) placed the isolate in the genus Nesterenkonia. DNA-DNA hybridization of DSM 17733(T) with those organisms with the closest phylogenetic affiliation, i.e. Nesterenkonia halobia, Nesterenkonia facusekhoensis and Nesterenkonia xinjiangensis, gave relatedness values of 48.5 %, 63(.)7 % (repetition, 57(.)2 %) and 35(.)7 % (repetition, 29(.)3 %), respectively. On the basis of both phenotypic and phylogenetic criteria and the low levels of DNA-DNA relatedness with the phylogenetically closest species N. xinjiangensis and N. halobia, it is proposed that the isolate be classified in a novel species, Nesterenkonia aethiopica sp. nov. The type strain is DSM 17733(T) (=CCUG 48939(T)).
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25.
  • Geiger, A, et al. (författare)
  • Serratia glossinae sp. nov., isolated from the midgut of the tsetse fly Glossina palpalis gambiensis.
  • 2010
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 60:Pt 6, s. 1261-5
  • Tidskriftsartikel (refereegranskat)abstract
    • We report the isolation of a novel bacterium, strain C1(T), from the midgut of the tsetse fly Glossina palpalis gambiensis, one of the vector insects responsible for transmission of the trypanosomes that cause sleeping sickness in sub-Saharan African countries. Strain C1(T) is a motile, facultatively anaerobic, rod-like bacterium (0.8-1.0 microm in diameter; 2-6 microm long) that grows as single cells or in chains. Optimum growth occurred at 25-35 degrees C, at pH 6.7-8.4 and in medium containing 5-20 g NaCl l(-1). The bacterium hydrolysed urea and used L-lysine, L-ornithine, citrate, pyruvate, D-glucose, D-mannitol, inositol, D-sorbitol, melibiose, amygdalin, L-arabinose, arbutin, aesculin, D-fructose, D-galactose, glycerol, maltose, D-mannose, raffinose, trehalose and d-xylose; it produced acetoin, reduced nitrate to nitrite and was positive for beta-galactosidase and catalase. The DNA G+C content was 53.6 mol%. It was related phylogenetically to members of the genus Serratia, family Enterobacteriaceae, the type strain of Serratia fonticola being its closest relative (99 % similarity between 16S rRNA gene sequences). However, DNA-DNA relatedness between strain C1(T) and S. fonticola DSM 4576(T) was only 37.15 %. Therefore, on the basis of morphological, nutritional, physiological and fatty acid analysis and genetic criteria, strain C1(T) is proposed to be assigned to a novel Serratia species, Serratia glossinae sp. nov. (type strain C1(T) =DSM 22080(T) =CCUG 57457(T)).
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26.
  • Glaeser, S. P., et al. (författare)
  • Alicyclobacillus consociatus sp nov., isolated from a human clinical specimen
  • 2013
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 63:10, s. 3623-3627
  • Tidskriftsartikel (refereegranskat)abstract
    • A Gram-stain-positive, aerobic organism, isolated from a blood sample from a 51-year-old woman, was studied for its taxonomic position. Based on 16S rRNA gene sequence similarity comparisons, strain CCUG 53762(T) was grouped into the genus Alicyclobacillus, most closely related to the type strain of Alicyclobacillus pohliae (94.7%). The 16S rRNA gene sequence similarity to other species of the genus Alicyclobacillus was 91 % and similarity to species of the genus Tumebacillus was 91.3-93 %. The occurrence of menaquinone MK-7 as the major respiratory quinone, meso-diaminopimelic acid as the diagnostic diamino acid of the cell wall and the fatty acid profile supported the allocation of the strain to the genus Alicyclobacillus. Major fatty acids were iso- and anteiso-branched fatty acids. The polar lipid profile consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and three unknown phospholipids. The absence of the iso-branched fatty acids iso-C-16:0 and iso-C-17:0 allowed differentiation of strain CCUG 53762(T) from A. pohliae CIP 109385(T). In addition, the results of physiological and biochemical tests also allowed phenotypic differentiation of strain CCUG 53762(T) from this most closely related species. The G+C content of the DNA was 47 mol%. Strain CCUG 53762(T) therefore represents a novel species of the genus Alicyclobacillus, for which we propose the name Alicyclobacillus consociatus sp. nov., with CCUG 53762(T) (=CCM 8439(T)) as the type strain.
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27.
  • Glaeser, S. P., et al. (författare)
  • Paenibacillus vulneris sp nov., isolated from a necrotic wound
  • 2013
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 63, s. 777-782
  • Tidskriftsartikel (refereegranskat)abstract
    • A Gram-positive-staining, aerobic, endospore-forming bacterium, isolated from a necrotic wound of a 35-year-old man was studied in detail to determine its taxonomic position. Based on 16S rRNA gene sequence similarity comparisons, strain CCUG 53270(T) was grouped into the genus Paenibacillus, most closely related to the type strains of Paenibacillus rigui (97.2%), Paenibacillus xylanisolvens (96.3 %) and Paenibacillus chinjuensis (96.1 %). The 16S rRNA gene sequence similarity to strains of other Paenibacillus species was <= 96%. Chemotaxonomic characterization supported the allocation of the strain to the genus Paenibacillus. The major menaquinones were MK-7 (85%) and MK-6 (15%). The polar lipid profile contained the major compounds diphosphatidylglycerol, phosphatidylmonomethylethanolamine, phosphatidylethanolamine and phosphatidylglycerol. The polyamine pattern contained predominantly spermidine. The major fatty acids were iso- and anteiso-branched fatty acids. The results of physiological and biochemical tests allowed phenotypic differentiation of strain CCUG 53270T from closely related species. Thus, strain CCUG 53270(T) represents a novel species of the genus Paenibacillus, for which the name Paenibacillus vulneris sp. nov. is proposed, with CCUG 53270(T) (=JCM 18268(T)) as the type strain.nd of a
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28.
  • Gomila, Margarita, et al. (författare)
  • Achromobacter marplatensis sp. nov., isolated from a pentachlorophenol contaminated soil.
  • 2011
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5034 .- 1466-5026. ; 61:9, s. 2231-2237
  • Tidskriftsartikel (refereegranskat)abstract
    • A polyphasic taxonomic approach was applied for the study of a Gram negative bacterium (B2(T)) isolated from soil by selective enrichment with pentachlorophenol. The 16S rRNA gene sequence analysis of strain B2(T) showed that this strain belongs to the genus Achromobacter, within the Betaproteobacteria. The 16S rRNA gene sequence possessing more than 99% similarity to the sequences of the type strains of all species in Achromobacter, with the highest sequence similarities to those of A. spanius CCM 7183(T) and A. piechaudii CCM 2986(T) (99.8 %). On the basis of phylogenetic analysis, genomic DNA-DNA similarities and phenotypic characteristics, including chemotaxonomic (cell fatty acid profile) analysis, a novel species is proposed, Achromobacter marplatensis sp. nov., with the type strain B2(T) (= CCM 7608(T) = CCUG 56371(T) = CECT 7342(T)).
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29.
  • Gomila, Margarita, et al. (författare)
  • Description of Pelomonas aquatica sp. nov. and Pelomonas puraquae sp. nov., isolated from industrial and haemodialysis water.
  • 2007
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 57:11, s. 2629-2635
  • Tidskriftsartikel (refereegranskat)abstract
    • Three Gram-negative, rod-shaped, non-spore-forming bacteria (strains CCUG 52769T, CCUG 52770 and CCUG 52771) isolated from haemodialysis water were characterized taxonomically, together with five strains isolated from industrial waters (CCUG 52428, CCUG 52507, CCUG 52575T, CCUG 52590 and CCUG 52631). Phylogenetic analysis based on 16S rRNA gene sequences indicated that these isolates belonged to the class Betaproteobacteria and were related to the genus Pelomonas, with 16S rRNA gene sequence similarities higher than 99% with the only species of the genus, Pelomonas saccharophila and to Pseudomonas sp. DSM 2583. The type strains of Mitsuaria chitosanitabida and Roseateles depolymerans were their closest neighbours (97.9 and 97.3% 16S rRNA gene sequence similarity, respectively). Phylogenetic analysis was also performed for the internally transcribed spacer region and for three genes [hoxG (hydrogenase), cbbL/cbbM (Rubisco) and nifH (nitrogenase)] relevant for the metabolism of the genus Pelomonas. DNA-DNA hybridization, major fatty acid composition and phenotypical analyses were carried out, which included the type strain of Pelomonas saccharophila obtained from different culture collections (ATCC 15946T, CCUG 32988T, DSM 654T, IAM 14368T and LMG 2256T), as well as M. chitosanitabida IAM 14711T and R. depolymerans CCUG 52219T. Results of DNA-DNA hybridization, physiological and biochemical tests supported the conclusion that strains CCUG 52769, CCUG 52770 and CCUG 52771 represent a homogeneous phylogenetic and genomic group, including strain DSM 2583, clearly differentiated from the industrial water isolates and from the Pelomonas saccharophila type strain. On the basis of phenotypic and genotypic characteristics, these strains belong to two novel species within the genus Pelomonas, for which the names Pelomonas puraquae sp. nov. and Pelomonas aquatica sp. nov. are proposed. The type strains of Pelomonas puraquae sp. nov. and Pelomonas aquatica sp. nov. are CCUG 52769T (=CECT 7234T) and CCUG 52575T (=CECT 7233T), respectively.
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30.
  • Gomila, Margarita, et al. (författare)
  • Description of Roseateles aquatilis sp nov and Roseateles terrae sp nov., in the class Betaproteobacteria, and emended description of the genus Roseateles
  • 2008
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 58, s. 6-11
  • Tidskriftsartikel (refereegranskat)abstract
    • Three strains of aerobic Gram-negative bacilli, two isolated from industrial water and freshwater (strains CCUG 48205T and CCUG 52220) and the third from soil (strain CCUG 52222T), were analysed phenotypically and genotypically to clarify their taxonomic classification. 16S rRNA gene sequence analysis revealed that the three strains were located on the same phylogenetic branch, closely related to Roseateles depolymerans, the only recognized species in the genus. DNA–DNA hybridization studies, analyses of fatty acid contents, and physiological and biochemical tests supported the proposal of two novel species, Roseateles aquatilis sp. nov. (type strain, CCUG 48205T=CECT 7248T) and Roseateles terrae sp. nov. (type strain, CCUG 52222T=CECT 7247T).
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31.
  • Gomila, Margarita, et al. (författare)
  • Kinneretia asaccharophila gen. nov., sp. nov., isolated from a freshwater lake, a member of the Rubrivivax branch of the family Comamonadaceae.
  • 2010
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 60:4, s. 809-814
  • Tidskriftsartikel (refereegranskat)abstract
    • A strictly aerobic, Gram-negative bacterium, strain KIN192(T), isolated from fresh water from Lake Kinneret, Israel, was examined using a polyphasic approach to characterize and clarify its phylogenetic and taxonomic position. Sequences of the 16S rRNA and gyrB genes and ITS1 revealed close relationships to species of the genera Pelomonas, Mitsuaria and Roseateles, in the Rubrivivax branch of the family Comamonadaceae of the Betaproteobacteria. Physiological and biochemical tests, cellular fatty acid analysis and DNA-DNA hybridizations indicated that this strain should be assigned to a new genus and species in the Rubrivivax phylogenetic branch, for which the name Kinneretia asaccharophila gen. nov., sp. nov., is proposed. The type strain of Kinneretia asaccharophila is strain KIN192(T) (=CCUG 53117(T) =CECT 7319(T)).
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32.
  • Gomila, Marga, et al. (författare)
  • Kinneretia asaccharophila, gen. nov., sp. nov., isolated from fresh water, a novel member of the Rubrivivax-branch of the family Comamonadaceae
  • 2010
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 60, s. 809-814
  • Tidskriftsartikel (refereegranskat)abstract
    • A strictly aerobic, Gram-negative bacterium, strain KIN192(T), isolated from fresh water from Lake Kinneret, Israel, was examined using a polyphasic approach to characterize and clarify its phylogenetic and taxonomic position. Sequences of the 16S rRNA and gyrB genes and ITS1 revealed close relationships to species of the genera Pelomonas, Mitsuaria and Roseateles, in the Rubrivivax branch of the family Comamonadaceae of the Betaproteobacteria. Physiological and biochemical tests, cellular fatty acid analysis and DNA-DNA hybridizations indicated that this strain should be assigned to a new genus and species in the Rubrivivax phylogenetic branch, for which the name Kinneretia asaccharophila gen. nov., sp. nov., is proposed. The type strain of Kinneretia asaccharophila is strain KIN192(T) (=CCUG 53117(T) =CECT 7319(T)).
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33.
  • Greetham, Hazel L., et al. (författare)
  • Sutterella sterconcanis sp nov., isolated from canine faeces
  • 2004
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 54, s. 1581-1584
  • Tidskriftsartikel (refereegranskat)abstract
    • Morphological, biochemical and molecular genetic studies were carried out on an unknown non-spore-forming, Gram-negative, rod-shaped bacterium which was isolated from dog faeces. The bacterium grew under anaerobic conditions, was asaccharolytic, resistant to 20 % (v/v) bile and was oxidase- and urease-negative. Phylogenetic analysis based on comparative 16S rRNA gene sequencing showed that the unidentified bacterium clustered withSutterella wadsworthensis, although a sequence divergence of >5 % indicated that the bacterium from dog faeces represented a previously unrecognized subline within the genus. On the basis of the presented findings, a novel species,Sutterella stercoricanissp. nov., is described. The type strain ofSutterella stercoricanisis 5BAC4T(=CCUG 47620T=CIP 108024T).
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34.
  • Gumaelius, L., et al. (författare)
  • Comamonas denitrificans sp nov., an efficient denitrifying bacterium isolated from activated sludge
  • 2001
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 51, s. 999-1006
  • Tidskriftsartikel (refereegranskat)abstract
    • To find a biomarker for denitrification in activated sludge, five denitrifying strains isolated from three wastewater treatment plants were studied. These strains were selected from among 1500 isolates for their excellent denitrifying properties. They denitrify quickly and have no lag phase when switching from aerobic to anoxic conditions. All strains have the cd(1)-type of nitrite reductase. The strains are Gram-negative rods and they all grow as filamentous chains when cultivated in liquid solution. The strains differ in colony morphology when grown on nutrient agar. Almost full-length 16S rDNA sequences were determined and phylogenetic analysis revealed that these strains are positioned among members of the genus Comamonas in the beta -subclass of the Proteobacteria. Signature nucleotides and bootstrap percentages were also analysed to verify this position. Strains 110, 123(T), 2.99g, 5.38g and P17 were less than or equal to 96.7 % similar to known strains, but greater than or equal to 99.7 % similar to each other, as judged from their 16S rDNA sequences, and grouped tightly together in the phylogenetic tree. Sequence motifs in the 16S rRNA gene were also found, suggesting the monophyletic origin of these strains. Nevertheless, some strains differed from the others, for example strain 110 branches early from the other strains and 5.38g is phenotypically more inert. Therefore, it is proposed that strains 110, 123(T), 2.99g and P17 are classified into a new species, Comamonas denitrificans sp. nov., while the taxonomic status of strain 5.38g will have to await the outcome of further studies. The type strain of Comamonas denitrificans is 123(T) (ATCC 700936(T)).
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35.
  • Guzmán, Daniel, et al. (författare)
  • Halomonas andesensis sp. nov., a moderate halophile isolated from the saline lake Laguna Colorada in Bolivia.
  • 2010
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 60, s. 749-753
  • Tidskriftsartikel (refereegranskat)abstract
    • Strain LC6T was isolated from a water sample of the lake Laguna Colorada in the Bolivian Andes. The bacterium was characterized as moderately halophilic, motile, Gram-negative rod. The major fatty acids present in the cell were C18:1omega7c, C16:1omega7c iso 2-OH, C16:0 and C12:0 3-OH. The respiratory ubiquinones found in strain LC6T were Q-9 (97%) and Q-8 (3%). The organism was found to be an aerobic, heterotroph, able to utilize various carbohydrates and other substrates as carbon source. The G+C content (mol %) of the genomic DNA was 52.5. The organism was able to grow in the pH range of 6.0-11.0 (optimum between 7.0-8.0), temperature of 4-45 degrees C (optimum at 30-35 degrees C) and sodium chloride concentration of 0.5-20 % (w/v) (optimum between 1-3% w/v). Based on 16S rRNA gene sequence analysis, LC6T was 98.8 % similar to Halomonas hydrothermalis DSM 15725T and Halomonas venusta DSM 4743T, and 98.4 % similar to Halomonas aquamarina DSM 30161T, Halomonas axialensis DSM 15723T and Halomonas meridiana DSM 5425T. However, its DNA-DNA relatedness with these type strains was considerably low. LC6T resembled other Halomonas species with respect to various physiological, biochemical, and nutritional characteristics. Combined phenotypic data and DNA-DNA hybridization data supported the conclusion that LC6T is a novel species of the genus Halomonas, for which the name Halomonas andesensis (LC6T=CCUG 54844T=LMG 24243T = DSM 19434T) is proposed.
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36.
  • Hall, V, et al. (författare)
  • Actinomyces dentalis sp nov., from a human dental abscess
  • 2005
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 55, s. 427-431
  • Tidskriftsartikel (refereegranskat)abstract
    • A previously undescribed filamentous, beaded, Gram-positive, rod-shaped bacterium was isolated from pus of a human dental abscess. Based on its cellular morphology and the results of biochemical testing the organism was tentatively identified as a member of the genus Actinomyces, but it did not correspond to any currently recognized species of this genus. Comparative 16S rRNA gene sequencing studies showed the bacterium represents a distinct subline within the genus Actinomyces, clustering within a group of species that includes Actinomyces bovis, the type species of the genus. Sequence divergence values of >8 % with other recognized species within this phylogenetic group clearly demonstrated that the organism represents a hitherto unknown species. Based on biochemical and molecular phylogenetic evidence, it is proposed that the unidentified organism recovered from a dental abscess be classified as a novel species, Actinomyces dentalis sp. nov. The type strain is R18165T (=CCUG 48064T=CIP 108337T).
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37.
  • Hedberg, Maria E, 1959-, et al. (författare)
  • Lachnoanaerobaculum a new genus in Lachnospiraceae; characterization of Lachnoanaerobaculum umeaense gen. nov., sp. nov., isolated from human small intestine, Lachnoanaerobaculum orale gen. nov., sp. nov., isolated from saliva and reclassification of Eubacterium saburreum (Prevot) Holdeman and Moore 1970 as Lachnoanaerobaculum saburreum comb. nov.
  • 2012
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 62:11, s. 2685-2690
  • Tidskriftsartikel (refereegranskat)abstract
    • Two new obligately anaerobic Gram-positive, saccharolytic and non-proteolytic spore-forming bacilli (strain CD3:22 and N1) are described. Strain CD3:22 was isolated from a biopsy of the small intestine of a child with celiac disease and strain N1 from the saliva of a healthy young man. The cells of both strains were observed to be filamentous with lengths of approximately 5 to >20 µm, some of them curving and with swellings. The novel organisms produced H2S, NH3, butyric acid and acetic acid as major metabolic end products. Phylogenetic analyses, based on comparative 16S rRNA gene sequencing, revealed close relationships (98 % sequence similarity) between the two isolates, as well as the type strain of Eubacterium saburreum CCUG 28089T and four other Lachnospiraceae bacterium/E. saburreum-like organisms. This group of bacteria were clearly different from any of the 19 known genera in the family Lachnospiraceae. While Eubacterium spp. are reported to be non-spore-forming, reanalysis of E. saburreum CCUG 28089T confirmed that the bacterium, indeed, is able to form spores. Based on 16S rRNA gene sequencing, phenotypic and biochemical properties, CD3:22 (CCUG 58757T) and N1 (CCUG 60305T) represent new species of a new and distinct genus, named Lachnoanaerobaculum, in the family Lachnospiraceae [within the order Clostridiales, class Clostridia, phylum Firmicutes]. Strain CD3:22 is the type strain of the type species, Lachnoanaerobaculum umeaense gen. nov., sp. nov., of the proposed new genus. Strain N1 is the type strain of the species, Lachnoanaerobaculum orale gen. nov., sp. nov. Moreover, E. saburreum CCUG 28089T is reclassified as Lachnoanaerobaculum saburreum comb. nov.
  •  
38.
  • Hedberg, Maria E, et al. (författare)
  • Lachnoanaerobaculum gen. nov., a new genus in the Lachnospiraceae: characterization of Lachnoanaerobaculum umeaense gen. nov., sp. nov., isolated from the human small intestine, and Lachnoanaerobaculum orale sp. nov., isolated from saliva, and reclassification of Eubacterium saburreum (Prevot 1966) Holdeman and Moore 1970 as Lachnoanaerobaculum saburreum comb. nov.
  • 2012
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5034 .- 1466-5026. ; 62:Pt 11, s. 2685-90
  • Tidskriftsartikel (refereegranskat)abstract
    • Two novel obligately anaerobic, Gram-stain-positive, saccharolytic and non-proteolytic spore-forming bacilli (strains CD3:22(T) and N1(T)) are described. Strain CD3:22(T) was isolated from a biopsy of the small intestine of a child with coeliac disease, and strain N1(T) from the saliva of a healthy young man. The cells of both strains were observed to be filamentous, approximately 5 to >20 µm long, some of them curving and with swellings. The novel organisms produced H(2)S, NH(3), butyric acid and acetic acid as major metabolic end products. Phylogenetic analyses, based on comparative 16S rRNA gene sequencing, revealed close relationships (98% sequence similarity) between the two isolates, as well as the type strain of Eubacterium saburreum and four other Lachnospiraceae bacterium-/E. saburreum-like organisms. This group of bacteria were clearly different from any of the 19 known genera in the family Lachnospiraceae. While Eubacterium species are reported to be non-spore-forming, reanalysis of E. saburreum CCUG 28089(T) confirmed that the bacterium is indeed able to form spores. Based on 16S rRNA gene sequencing, phenotypic and biochemical properties, strains CD3:22(T) and N1(T) represent novel species of a new and distinct genus, named Lachnoanaerobaculum gen. nov., in the family Lachnospiraceae [within the order Clostridiales, class Clostridia, phylum Firmicutes]. Strain CD3:22(T) (=CCUG 58757(T) =DSM 23576(T)) is the type strain of the type species, Lachnoanaerobaculum umeaense gen. nov., sp. nov., of the proposed new genus. Strain N1(T) (=CCUG 60305(T)=DSM 24553(T)) is the type strain of Lachnoanaerobaculum orale sp. nov. Moreover, Eubacterium saburreum is reclassified as Lachnoanaerobaculum saburreum comb. nov. (type strain CCUG 28089(T) =ATCC 33271(T) =CIP 105341(T) =DSM 3986(T) =JCM 11021(T) =VPI 11763(T)).
  •  
39.
  • Hedberg, Maria E., et al. (författare)
  • Prevotella jejuni sp. nov., isolated from the small intestine of a child with celiac disease.
  • 2013
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5034 .- 1466-5026. ; 63:11, s. 4218-4223
  • Tidskriftsartikel (refereegranskat)abstract
    • Five obligately anaerobic, Gram-negative, saccharolytic and proteolytic, non-spore-forming bacilli (CD3:27, CD3:28T, CD3:33, CD3:32 and CD3:34) are described. All five strains were isolated from the small intestine of a female child with celiac disease. The cells of the five strains were observed to be short rods or coccoid cells with longer filamentous forms seen sporadically. The organisms produced acetic acid and succinic acid as major metabolic end products. Phylogenetic analysis, based on comparative 16S rRNA gene sequence analysis revealed close relationships between CD3:27, CD3:28T and CD3:33 on one hand, between CD3:32 and P. histicola CCUG 55407T and between CD3:34 and P. melaninogenica CCUG 4944BT on the other. The strains CD3:27, CD3:28T and CD3:33 were clearly different from any other species within the genus Prevotella and most closely related to but distinct from P. melaninogenica. Based on 16S rRNA gene, RNA polymerase β-subunit gene and 60-kDa chaperonin protein subunit gene sequencing, phenotypic, chemical and biochemical properties strains CD3:27, CD3:28T and CD3:33 have been determined to represent a novel species within the genus Prevotella, named Prevotella jejuni sp. nov. Strain CD3:28T (CCUG 60371T = DSM 26989T) is the type strain of the proposed new species. All five strains were able to form homologous aggregates, in which tube-like structures were connecting individual bacteria cells. The five strains were able to bind to human intestinal carcinoma cell lines at 37 °C.
  •  
40.
  • Herrmann, Björn, et al. (författare)
  • Characterization of the rnpB gene and the RNase P RNA in the order of Chlamydiales
  • 2000
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - 1466-5026 .- 1466-5034. ; 50:Part 1, s. 149-158
  • Tidskriftsartikel (refereegranskat)abstract
    • The sequence of the RNase P RNA gene (rnpB) was determined for 60 strains representing all nine species in the family Chlamydiaceae and for the related Chlamydiales species, Parachlamydia acanthamoebae and Simkania negevensis. These sequences were used to infer evolutionary relationships among the Chlamydiaceae. The analysis separated Chlamydophila and Chlamydia into two lineages, with Chlamydophila forming three distinct clusters: the Chlamydophila pneumoniae strains; the Chlamydophila pecorum strains; and a third cluster comprising the species Chlamydophila psittaci, Chlamydophila abortus, Chlamydophila caviae and Chlamydophila felis. The Chlamydia line of descent contained two clusters, with the Chlamydia suis strains distinctly separated from strains of Chlamydia trachomatis and Chlamydia muridarum. This analysis indicated that the rnpB sequence and structure are distinctive markers for species in the Chlamydiaceae. It was also demonstrated that the RNase P RNA derived from Chlamydia trachomatis is able to cleave a tRNA precursor in the absence of protein. These findings are discussed in relation to the structure of Chlamydia RNase P RNA.
  •  
41.
  • Hoyles, Lesley, et al. (författare)
  • Jeotgalicoccus pinnipedialis sp nov., from a southern elephant seal (Mirounga leonina)
  • 2004
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 54, s. 745-748
  • Tidskriftsartikel (refereegranskat)abstract
    • A previously unknown Gram-positive, catalase-positive, facultatively anaerobic, non-spore-forming, coccus-shaped bacterium (A/G14/99/10T), originating from the mouth of a female southern elephant seal, was subjected to a taxonomic analysis. Comparative 16S rRNA gene-sequencing showed that the organism formed a hitherto unknown subline within the catalase-positive, low-G+C, Gram-positive cocci, exhibiting a specific association with species of the genus Jeotgalicoccus. Sequence divergence values of approximately 7 %, together with phenotypic differences, showed the unknown bacterium to be distinct from the two described species of this genus, Jeotgalicoccus halotolerans and Jeotgalicoccus psychrophilus. Based on phenotypic and phylogenetic considerations, it is proposed that strain A/G14/99/10T=CCUG 42722T=CIP 107946T from the mouth of a seal be classified as the type strain of a novel species of the genus Jeotgalicoccus, Jeotgalicoccus pinnipedialis sp. nov.
  •  
42.
  • Huber, Birgit, et al. (författare)
  • Ochrobactrum pituitosum sp. nov., isolated from an industrial environment.
  • 2010
  • Ingår i: International journal of systematic and evolutionary microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 60:Pt 2, s. 321-6
  • Tidskriftsartikel (refereegranskat)abstract
    • Strain CCUG 50899, a Gram-negative, rod-shaped, non-spore-forming, motile bacterium isolated from industrial environment in Sweden and tentatively assigned to the species Ochrobactrum anthropi, was studied in order to clarify its taxonomic status. 16S rRNA gene sequence similarities placed the strain in the genus Ochrobactrum, sharing highest similarity with the type strains of Ochrobactrum rhizosphaerae (99.3 %), Ochrobactrum thiophenivorans (98.7 %), Ochrobactrum pseudogrignonense (98.6 %) and Ochrobactrum grignonense (98.5 %). The fatty acid profile of [O. anthropi] CCUG 50899 (major fatty acids C(18 : 1)omega7c and C(19 : 0) cyclo omega8c and presence of C(18 : 1) 2-OH), the polar lipid profile (diphosphatidylglycerol, phosphatidylglycerol, phosphatidylmonomethylethanolamine, phosphatidylethanolamine, two unknown aminolipids and an unknown phospholipid), the presence of the quinone system ubiquinone Q-10 and a polyamine pattern with the major compounds putrescine and spermidine and moderate amounts of sym-homospermidine supported its affiliation to the genus Ochrobactrum. DNA-DNA reassociation experiments with the type strains of its closest relatives O. rhizosphaerae, O. pseudogrignonense, O. thiophenivorans and O. grignonense demonstrated that [O. anthropi] CCUG 50899 should be placed in a novel species, which is distinguishable from related species by a set of biochemical traits. Based on these data, reclassification of [O. anthropi] CCUG 50899 as the type strain of a novel species appears to be justified. Hence, we describe a novel species to accommodate this strain, for which we propose the name Ochrobactrum pituitosum sp. nov. The type strain is CCUG 50899(T) (=DSM 22207(T)).
  •  
43.
  •  
44.
  • Huys, Geert, et al. (författare)
  • Alloscardovia omnicolens gen. nov., sp nov., from human clinical samples
  • 2007
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 57, s. 1442-1446
  • Tidskriftsartikel (refereegranskat)abstract
    • The taxonomic position of 12 isolates tentatively assigned to the genus Bifidobacterium on the basis of a limited phenotypic characterization was examined. The isolates were collected between 1978 and 2005 in Belgium, Sweden and Norway, and originated from various human clinical samples, including urine, blood, urethra, oral cavity, tonsil, and abscesses of lung and aortic valve. On the basis of band number and clustering analysis, repetitive DNA element-based PCR fingerprinting using the BOXA1R and (GTG)5 primers indicated that the clinical isolates represented a taxon probably not belonging to the genus Bifidobacterium. Analysis of 16S rRNA gene sequence similarities revealed that the isolates were most closely affiliated to Parascardovia denticolens LMG 18312T (93.0–93.2 %), Scardovia inopinata LMG 18313T (92.9–93.1 %) and other members of the Bifidobacteriaceae, indicating that the isolates belong to a novel genus within that family. This observation was further substantiated by the results of partial sequencing of the heat-shock protein 60 gene (hsp60) and determination of the DNA G+C contents (47.3–48.3 mol%). Members of the novel taxon can be phenotypically distinguished from S. inopinata, P. denticolens and Gardnerella vaginalis by the ability to grow on agar under aerobic conditions and on the basis of positive reactions for acid production from l-arabinose, raffinose, salicin and d-xylose. Unambiguous phenotypic differentiation from Aeriscardovia aeriphila and Bifidobacterium species may be difficult, so phenotypic analyses should be complemented by molecular methods. The values for DNA–DNA binding among four members of the novel genus were in the range of 89–100 %, indicating that the strains should be considered as a single novel species of a novel genus, for which the name Alloscardovia omnicolens gen. nov., sp. nov. is proposed. The type strain of Alloscardovia omnicolens is CCUG 31649T (=LMG 23792T).
  •  
45.
  • Jabari, L., et al. (författare)
  • Macellibacteroides fermentans gen. nov., sp nov., a member of the family Porphyromonadaceae isolated from an upflow anaerobic filter treating abattoir wastewaters
  • 2012
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 62, s. 2522-2527
  • Tidskriftsartikel (refereegranskat)abstract
    • A novel obligately anaerobic, non-spore-forming, rod-shaped mesophilic bacterium, which stained Gram-positive but showed the typical cell wall structure of Gram-negative bacteria, was isolated from an upflow anaerobic filter treating abattoir wastewaters in Tunisia. The strain, designated LIND7H(T), grew at 20-45 degrees C (optimum 35-40 degrees C) and at pH 5.0-8.5 (optimum pH 6.5-7.5). It did not require NaCl for growth, but was able to grow in the presence of up to 2% NaCl. Sulfate, thiosulfate, elemental sulfur, sulfite, nitrate and nitrite were not used as terminal electron acceptors. Strain LIND7H(T) used cellobiose, glucose, lactose, mannose, maltose, peptone, rhamnose, raffinose, sucrose and xylose as electron donors. The main fermentation products from glucose metabolism were lactate, acetate, butyrate and isobutyrate. The predominant cellular fatty acids were anteiso-C-15:0, C-15:0, C-17:0 2-OH and a summed feature consisting of C-18:2 omega 6,9c and/or anteiso-C-18:0, and the major menaquinones were MK-9, MK-9(H-2) and MK-10. The G+C content of the genomic DNA was 41.4 mol%. Although the closest phylogenetic relatives of strain LIND7H(T) were Parabacteroides merdae, Parabacteroides goldsteinii and Parabacteroides gordonii, analysis of the hsp60 gene sequence showed that strain LIND7H(T) was not a member of the genus Parabacteroides. On the basis of phylogenetic inference and phenotypic properties, strain LIND7H(T) (=CCUG 60892(T)=DSM 23697(T)=JCM 16313(T)) is proposed as the type strain of a novel species in a new genus within the family Porphyromonadaceae, Macellibacteroides fermentans gen. nov., sp. nov.
  •  
46.
  •  
47.
  • Kaden, Rene, et al. (författare)
  • Rhodoferax saidenbachensis sp. nov., a psychrotolerant, very slowly growing bacterium within the family Comamonadaceae, proposal of appropriate taxonomic position of Albidiferax ferrireducens strain T118T in the genus Rhodoferax and emended description of the genus Rhodoferax
  • 2014
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 64:Pt 4, s. 1186-1193
  • Tidskriftsartikel (refereegranskat)abstract
    • A Gram-stain-negative, oxidase and phosphatase-positive and catalase-negative, short rod-shaped bacterium was isolated from sediment of a drinking water reservoir in Germany. Based on 16S rRNA gene sequence and phenotypic properties, the bacterium belongs to the genus Rhodoferax within the family Comamonadaceae. The new taxon differed from related species mainly with respect to its fatty acid composition, low growth temperature, lack of pigments in young cultures and ability to utilize glycerol and d-mannose but not urea. The major fatty acids were C16 : 1omega7c and/or iso-C15 : 0 2-OH, C16 : 0, and C18 : 1omega7c. The only ubiquinone detected was ubiquinone Q-8. The DNA G+C content was 60.3-61 mol%. Because of the phenotypic and genotypic differences from the most closely related taxa, the new strain represents a novel species for which the name Rhodoferax saidenbachensis sp. nov. is proposed. The type strain is ED16(T) ( = CCUG 57711(T) = ATCC BAA-1852(T) = DSM 22694(T)). An emended description of the genus Rhodoferax is proposed. Based on the results of this study, strain T118(T) (Albidiferax ferrireducens) is properly placed in the genus Rhodoferax as Rhodoferax ferrireducens.
  •  
48.
  • Kaempfer, Peter, et al. (författare)
  • Description of Pseudochrobactrum gen. nov., with the two species Pseudochrobactrum asaccharolyticum sp nov and Pseudochrobactrum saccharolyticum sp nov.
  • 2006
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 56, s. 1823-1829
  • Tidskriftsartikel (refereegranskat)abstract
    • Two Gram-negative, rod-shaped, oxidase-positive, non-spore-forming, non-motile bacteria (CCUG 46016T and CCUG 33852T), isolated from a knee aspirate of a 66-year-old man and an industrial glue, respectively, were studied for their taxonomic position. On the basis of chemotaxonomic data [i.e. major ubiquinone (Q-10), major polar lipids (phosphatidylethanolamine, phosphatidylglycerol and phosphatidylcholine) and major fatty acids (C18 : 1ω7c and C19 : 0 cyclo ω8c)] and 16S rRNA gene sequence similarity, both strains belong to the Alphaproteobacteria. The presence of spermidine and putrescine as the predominant polyamines in CCUG 46016T were in agreement with its phylogenetic affiliation in the vicinity of the genus Ochrobactrum. 16S rRNA gene sequence similarities between both strains and established species within the genera Bartonella, Ochrobactrum and Brucella were less than 95 %. Although both organisms showed highest 16S rRNA gene sequence similarity to members of Brucella, phenotypic features (including chemotaxonomic features) were more like those of members of the genus Ochrobactrum. Sequence comparison of the recA genes confirmed the separate phylogenetic position of the two strains. On the basis of DNA–DNA pairing results and physiological and biochemical data, the two strains can be clearly differentiated from each other and from all known Ochrobactrum species. It is evident that these organisms represent two novel species in a new genus, Pseudochrobactrum gen. nov., for which the names Pseudochrobactrum asaccharolyticum sp. nov. (the type species, type strain CCUG 46016T=CIP 108977T) and Pseudochrobactrum saccharolyticum sp. nov. (type strain CCUG 33852T=CIP 108976T) are proposed.
  •  
49.
  • Kaempfer, Peter, et al. (författare)
  • Description of Pseudochrobactrum kiredjianiae sp nov.
  • 2007
  • Ingår i: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 57, s. 755-760
  • Tidskriftsartikel (refereegranskat)abstract
    • A Gram-negative, rod-shaped, oxidase-positive, non-spore-forming, non-motile bacterium (strain CCUG 49584T), isolated from a seafood processing plant sample in New Zealand, was subjected to a polyphasic taxonomic study. On the basis of 16S rRNA and recA gene sequence similarities, the isolate was allocated to the genus Pseudochrobactrum. This was confirmed by fatty acid data (major fatty acids: C18 : 1ω7c and C19 : 0 cyclo ω8c), a polar lipid profile exhibiting major characteristics of Pseudochrobactrum (phosphatidylethanolamine, phosphatidylmonomethylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine), quinone system Q-10 and a polyamine pattern with the predominant compounds spermidine and putrescine. DNA–DNA hybridization with the type strains of the two established species of Pseudochrobactrum and physiological and biochemical data clearly differentiated the isolate from established Pseudochrobactrum species. As a consequence, this organism represents a novel species, for which the name Pseudochrobactrum kiredjianiae sp. nov. is proposed, with the type strain CCUG 49584T (=CIP 109227T).
  •  
50.
  • Kaempfer, Peter, et al. (författare)
  • Elizabethkingia anophelis sp nov., isolated from the midgut of the mosquito Anopheles gambiae
  • 2011
  • Ingår i: International Journal of Systematic and Evolutionary Microbiology. - : Microbiology Society. - 1466-5026 .- 1466-5034. ; 61, s. 2670-2675
  • Tidskriftsartikel (refereegranskat)abstract
    • The taxonomic position, growth characteristics and antibiotic resistance properties of a slightly yellow-pigmented bacterial strain, designated R26(T), isolated from the midgut of the mosquito Anopheles gambiae, were studied. The isolate produced rod-shaped cells, which stained Gram-negative. The bacterium had two growth optima at 30-31 degrees C and 37 degrees C. Strain R26(T) demonstrated natural antibiotic resistance to ampicillin, chloramphenicol, kanamycin, streptomycin and tetracycline. 16S rRNA gene sequence analysis revealed that the isolate showed 98.6% sequence similarity to that of Elizabethkingia meningoseptica ATCC 13253(T) and 98.2 % similarity to that of Elizabethkingia miricola GTC 862(T). The major fatty acids of strain R26(T) were iso-C(15:0), iso-C(17:0) 3-OH and summed feature 4 (iso-C(15:0) 2-OH and/or C(16:1)omega 7c/t. Strain R26(T) contained only menaquinone MK-6 and showed a complex polar lipid profile consisting of diphosphatidylglycerol, phosphatidylinositol, an unknown phospholipid and unknown polar lipids and glycolipids. DNA-DNA hybridization experiments with E. meningoseptica CCUG 214(T) (=ATCC 13253(T)) and E. miricola KCTC 12492(T) (=GTC 862(T)) gave relatedness values of 34.5 % (reciprocal 41.5 %) and 35.0 % (reciprocal 25.7 %), respectively. DNA-DNA hybridization results and some differentiating biochemical properties indicate that strain R26T represents a novel species, for which the name Elizabethkingia anophelis sp. nov. is proposed. The type strain is R26(T) (=CCUG 60038(T) =CCM 7804(T)).
  •  
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