Journal
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
Volume 106, Issue 3, Pages 439-447Publisher
SPRINGER
DOI: 10.1007/s10482-014-0212-6
Keywords
Gordonibacter faecihominis sp nov.; Actinobacteria; Taxonomy
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Funding
- Global R&D Center (GRDC) through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning (MSIFP) of the Republic of Korea
- Bio and Medical Technology Development Program of the NRF by the MSIFP of the Republic of Korea
- KRIBB Research Initiative Program
- Chonbuk National University
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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 C-16:0 DMA (dimethy acetal), C-16:0, C-14:0, anteiso-C-15:0 and iso-C-14:0. 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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