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Stenotrophomonas in...
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Svensson-Stadler, Liselott,1971Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
(författare)
Stenotrophomonas interspecies differentiation and identification by gyrB sequence analysis.
- Artikel/kapitelEngelska2012
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2011-11-30
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Oxford University Press (OUP),2012
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LIBRIS-ID:oai:gup.ub.gu.se/166031
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https://gup.ub.gu.se/publication/166031URI
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https://doi.org/10.1111/j.1574-6968.2011.02452.xDOI
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Stenotrophomonas species are found commonly in environmental and clinical samples; Stenotrophomonas maltophilia is an important opportunistic pathogen of humans. Traditional phenotyping protocols, as well as genotyping by 16S rRNA gene sequence analysis, do not reliably distinguish the species of Stenotrophomonas. Sequence analyses of two targeted PCR-amplified regions of the gyrB gene, which encodes the β-subunit of DNA gyrase, enabled resolution and identification of these species. Most type strains of the different species of Stenotrophomonas exhibited more than 7% dissimilarity in the gyrB gene sequences. Among these, strains identified as the same species exhibited sequence dissimilarities up to 4.6% and 5.9% for the two regions, respectively. Strains identified as S. maltophilia, with 16S rRNA gene sequence similarities > 99.0%, were grouped within a 'S. maltophilia complex'; these organisms exhibited gyrB similarities as low as 93%. Many of these strains possessed genomic DNA similarities with the type strain of S. maltophilia CCUG 5866(T) below 70%. These data, including gyrB sequence comparisons, indicate that strains identified as S. maltophilia may comprise distinct, new species.
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Mihaylova, Sashka A
(författare)
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Moore, Edward R.B.1954Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine(Swepub:gu)xmooed
(författare)
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Göteborgs universitetInstitutionen för biomedicin, avdelningen för infektionssjukdomar
(creator_code:org_t)
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Ingår i:FEMS microbiology letters: Oxford University Press (OUP)327:1, s. 15-241574-69680378-1097
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