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Sökning: WFRF:(Gomez M) > Högskolan i Borås

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1.
  • Behboudi, Afrouz, 1967, et al. (författare)
  • Evolutionary aspects of the genomic organization of rat chromosome 10.
  • 2002
  • Ingår i: Cytogenetic and genome research. - : S. Karger. - 1424-8581 .- 1424-859X. ; 96:1-4, s. 52-9
  • Tidskriftsartikel (refereegranskat)abstract
    • Using FISH and RH mapping a chromosomal map of rat chromosome 10 (RNO10) was constructed. Our mapping data were complemented by other published data and the final map was compared to maps of mouse and human chromosomes. RNO10 contained segments homologous to mouse chromosomes (MMU) 11, 16 and 17, with evolutionary breakpoints between the three segments situated in the proximal part of RNO10. Near one of these breakpoints (between MMU17 and 11) we found evidence for an inversion ancestral to the mouse that was not ancestral to the condition in the rat. Within each of the chromosome segments identified, the gene order appeared to be largely conserved. This conservation was particularly clear in the long MMU11-homologous segment. RNO10 also contained segments homologous to three human chromosomes (HSA5, 16, 17). However, within each segment of conserved synteny were signs of more extensive rearrangements. At least 13 different evolutionary breakpoints were indicated in the rat-human comparison. In contrast to what was found between rat and mouse, the rat-human evolutionary breaks were distributed along the entire length of RNO10.
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2.
  • Gómez-Fabre, Pedro M, et al. (författare)
  • Predictions based on the rat-mouse comparative map provide mapping information on over 6000 new rat genes.
  • 2002
  • Ingår i: Mammalian genome : official journal of the International Mammalian Genome Society. - : Springer Science and Business Media LLC. - 0938-8990 .- 1432-1777. ; 13:4, s. 189-93
  • Tidskriftsartikel (refereegranskat)abstract
    • For identification of ECS ("evolutionarily conserved segments") between rat and mouse, 893 rat-mouse orthologous gene-pairs were brought together with zoo-FISH analysis. In total, 59 autosomal ECS and 4 X-chromosomal ones were detected. Combining FISH and zoo-FISH data, the segments were anchored on the rat chromosomes, providing an improved comparative map between the two species. Since chromosomal evolution is a slow process, it is reasonable to assume that the genome organization, including gene order, is essentially conserved within the ECS. In this way we assigned tentative subchromosomal map positions to 303 rat genes, for which no regional mapping information was available. Furthermore, the concept of prediction mapping was extended to unmapped rat homologs of genes, which in the mouse are situated inside or in the vicinity of an ECS. For a total of 6669 genes, we predicted a single rat chromosomal position, whereas for another 448 genes we could predict that they were located in one of two possible positions. Thus, our study has increased the number of genes for which there is positional mapping information in the rat almost fivefold.
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3.
  • Gomez, P.F., et al. (författare)
  • Heavy metal biosorption by Rhizopus sp. biomass immobilized on textiles
  • 2014
  • Ingår i: Water, Air and Soil Pollution. - : Springer. - 0049-6979 .- 1573-2932. ; 225:2
  • Tidskriftsartikel (refereegranskat)abstract
    • Pollution by heavy metals is at present one of the major environmental concerns. In the present study, the potential of the filamentous zygomycete fungus Rhizopus sp. to absorb/adsorb metal ions from solution was investigated. With the aim to develop a feasible process, the fungus was immobilized on 10 different textile materials during the cultivation. All immobilized biosorbents reduced the Cu2+ concentrations initially from 20 to 3.1–5.6 mg/l within 150 min, with the exception of the biomass immobilized on wool, which reduced the Cu2+ level to 10.2 mg/l. The immobilized biomass (with the exception of wool) fitted well into a pseudo-second-order model. The uptake of copper showed a slight dependence on initial metal concentration. By reapplying immobilized Rhizopus sp. to a solution containing a low concentration of Cu2+ after going through a first step of biosorption, a decrease of the concentration to below 2 mg/l was accomplished, meeting the stipulated level for Cu2+ in human drinking water. Immobilization of fungal biomass in a cushion was also successfully applied in the biosorption process. The positive results obtained in a two-step biosorption indicate that a sequential arrangement could be the foundation for a commercial product.
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4.
  • Petersen, Greta, 1977, et al. (författare)
  • RatMap--rat genome tools and data.
  • 2005
  • Ingår i: Nucleic acids research. - : Oxford University Press (OUP). - 1362-4962 .- 0305-1048. ; 33:Database issue
  • Tidskriftsartikel (refereegranskat)abstract
    • The rat genome database RatMap (http://ratmap.org or http://ratmap.gen.gu.se) has been one of the main resources for rat genome information since 1994. The database is maintained by CMB-Genetics at Goteborg University in Sweden and provides information on rat genes, polymorphic rat DNA-markers and rat quantitative trait loci (QTLs), all curated at RatMap. The database is under the supervision of the Rat Gene and Nomenclature Committee (RGNC); thus much attention is paid to rat gene nomenclature. RatMap presents information on rat idiograms, karyotypes and provides a unified presentation of the rat genome sequence and integrated rat linkage maps. A set of tools is also available to facilitate the identification and characterization of rat QTLs, as well as the estimation of exon/intron number and sizes in individual rat genes. Furthermore, comparative gene maps of rat in regard to mouse and human are provided.
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  • Resultat 1-4 av 4

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