1887

Abstract

Three strains of anaerobic, variably pigmenting, Gram-negative bacilli isolated from human oral mucosal tissue were subjected to a comprehensive range of phenotypic and genotypic tests and were found to comprise a homogeneous group. 16S rRNA gene sequence analysis and DNA–DNA hybridization revealed that the strains constituted a novel group within the genus , being most closely related to and . A novel species, sp. nov., is proposed to accommodate these strains. is saccharolytic and produces acetic acid and succinic acid as major end products of fermentation and trace to minor amounts of isovaleric acid and lactic acid. The G+C content of the DNA of the type strain is 43 mol%. The type strain of is T05-04 (=DSM 19854=CCUG 55407).

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2008-08-01
2024-04-25
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Extended neighbour-joining tree, based on 16S rRNA gene sequence comparisons over 1415 aligned bases, showing the relationships between strains T05-04 , N19-30 and N12-20 ( sp. nov.) and related species. [PDF](18 KB)

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Characteristics of sp. nov. [PDF](19 KB)

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