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Int J Syst Evol Microbiol. 2010 Aug;60(Pt 8):1721-4. doi: 10.1099/ijs.0.016774-0. Epub 2009 Sep 4.

Slackia equolifaciens sp. nov., a human intestinal bacterium capable of producing equol.

Author information

1
Benno Laboratory, Center for Intellectual Property Strategies, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan. jin@riken.jp

Abstract

An equol-producing bacterium, strain DZE(T), which was isolated from human faeces, was characterized by morphological, biochemical and molecular methods. The isolate was Gram-positive, obligately anaerobic, non-spore-forming, asaccharolytic and rod-shaped. 16S rRNA gene sequence analysis showed 92.8, 91.0, 91.1 and 90.6% similarities with Slackia faecicanis, Slackia exigua, Slackia heliotrinireducens and Slackia isoflavoniconvertens, respectively. Based on these data, we propose a novel species of the genus Slackia, Slackia equolifaciens sp. nov. The major cellular fatty acids are C14:0, C18:1omega9c and C18:1omega9c DMA (dimethyl acetal). The DNA G+C content of the strain is 60.8 mol%. The type strain of S. equolifaciens sp. nov. is DZET (=JCM 16059T =CCUG 58231T).

PMID:
19734283
DOI:
10.1099/ijs.0.016774-0
[Indexed for MEDLINE]

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