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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo International Journal of Systematic and Evolutionary Microbiology

Volume 55, Issue 3

gen. nov., sp. nov., a spiral-shaped bacterium colonizing the mucus layer of the gastrointestinal tract of laboratory rodents Free

Abstract

The mammalian gastrointestinal tract is covered by a layer of mucus that can harbour a range of bacterial species specifically adapted to colonize this ecological niche. Examination of 110 bacterial isolates cultivated from the gastrointestinal tract of 23 mice revealed the presence of a subgroup of 30 isolates that did not correspond genetically with genera commonly associated with this site, i.e. members of the - such as and species. Instead this group of isolates was found to lie within the phylum , a completely distinct lineage in the domain . There was a high level of consensus in results obtained from the phenotypic and genotypic characterization of a number of the isolates, which showed they were distinct from other members of the . As such, they are proposed to constitute a new genus and species, gen. nov., sp. nov. These organisms are anaerobic, Gram-negative, spiral-shaped rods with bipolar flagella. The type strain is HRI I17 (=ATCC BAA-1009=ACM 5223).

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Keyword(s): GT, gastrointestinal tract
SGM
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2005-05-01
2025-10-20
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"VSports" Mucispirillum schaedleri gen. nov., sp. nov., a spiral-shaped bacterium colonizing the mucus layer of the gastrointestinal tract of laboratory rodents
Int J Syst Evol Microbiol 55, 1199 (2005); https://doi.org/10.1099/ijs.0.63472-0
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