from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. A taxonomic phylum within the kingdom Bacteria — very many bacteria, mostly gram-positive.


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  • The gut microbiota of obese mice has been shown to have significantly more of one main type of bacteria called Firmicutes and fewer of another kind called Bacteroidetes (both types populate human guts as well); in normal mice, the distribution is the opposite. Top Stories

  • In particular, work on mice suggests obesity is associated with having a high proportion of bacteria called Firmicutes, whereas the lean favour another group, the Bacteroidetes.

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  • Genus Homo is also genera Escherichi and Bacteroidetes and Firmicutes and many others.

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  • Mice with a genetic predisposition to obesity were found to have a different distribution of gut bacteria; fat mice are full of Firmicutes, while lean mice are loaded with Bacteroidetes.

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  • The ancient age of the fracture water and comparative DNA analysis of the bacterial genes suggests subsurface Firmicutes were removed from contact with their surface cousins anywhere from 3 million to 25 million years ago.


  • Firmicutes/Bacteroidetes ratio differed in obese and lean mammals, mainly due to an increased

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  • Firmicutes ate much more than other mice, experienced metabolic changes and became obese. Main RSS Feed

  • A majority of the 503 OTUs were found in the phyla Firmicutes, Proteobacteria, Bacteroidetes, and Actinobacteria.

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  • Ley's earlier research on mice and humans shows that obesity results in more bacteria of the Firmicutes family and less of the Bacteroidetes, which increases the intestine's ability to harvest calories from food. - latest science and technology news stories

  • In contrast, TLR5-deficient mice had normal proportions of Firmicutes and Bacteroidetes but differed in the bacterial species that comprised these families. - latest science and technology news stories


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