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Antonie Van Leeuwenhoek. 2014 Sep;106(3):439-47. doi: 10.1007/s10482-014-0212-6. Epub 2014 Jun 20.

Gordonibacter faecihominis sp. nov., isolated from human faeces.

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Department of Oriental Medicine Resources, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan-si, Republic of Korea.


A novel actinobacterial strain, designated CAT-2(T), was isolated from human faeces as a bacterium capable of dehydroxylating (+)-catechin derivatives. Strain CAT-2(T) was found to be strictly anaerobic, Gram-positive, non-motile and non-spore-forming coccobacilli. The major fatty acids were identified as C16:0 DMA (dimethy acetal), C16:0, C14:0, anteiso-C15:0 and iso-C14:0. The three predominant menaquinones were identified as MK-6 (menaquinene-6), MMK-6 (monomethylmenaquinone-6) and DMMK-6 (dimethylmenaquinone-6). The polar lipids were found to be diphosphatidylglycerol, phosphatidylglycerol and four unidentified glycolipid. The DNA G+C content of strain CAT-2(T) was 68.4 mol%. Phylogenetic analysis based on 16S rRNA gene sequence similarities showed that strain CAT-2(T) belongs to the genus Gordonibacter, sharing the highest level of sequence homology with Gordonibacter pamelaeae DSM 19378(T) (97.3 %). Combined phenotypic, chemotaxonomic and phylogenetic characteristics support the conclusion that the strain CAT-2(T) represents a novel species, for which the name Gordonibacter faecihominis sp. nov. is proposed. The type strain is CAT-2(T) (= KCTC 15204(T) = JCM 16058(T)).

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