Bacteroides rhinocerotis sp. nov., isolated from the fresh feces of rhinoceros in Beijing Zoo

文献类型： 外文期刊

第一作者： Li, Xue

作者： Li, Xue;Sun, Peilin;Gong, Liang;Shi, Weixiong;Xiang, Zhiguang;Su, Lei;Qin, Chuan;Li, Xue;Sun, Peilin;Gong, Liang;Shi, Weixiong;Xiang, Zhiguang;Su, Lei;Qin, Chuan;Li, Ming

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关键词： Rhinoceros feces; 16S rRNA phylogeny; Polyphasic taxonomy; Bacteroides rhinocerotis sp.nov

期刊名称：ARCHIVES OF MICROBIOLOGY （ 影响因子：2.8； 五年影响因子：2.8 ）

ISSN： 0302-8933

年卷期： 2023 年 205 卷 5 期

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收录情况： SCI

摘要： A Gram-negative strain, anaerobic, non-motile, non-spore-forming, rod-shaped bacterial strain named as NGMCC 1.200684 (T) was isolated from the fresh feces of rhinoceros in Beijing Zoo. Based on 16S rRNA gene sequences, phylogenetic analysis indicated that strain NGMCC 1.200684 (T) belonged to the genus Bacteroides and was most strongly related to the type strain of Bacteroides uniformis ATCC -8492 (T) (96.88%). The G + C content of the genomic DNA was determined to be 46.62%. Between strains NGMCC 1.200684 (T) and B. uniformis ATCC -8492 (T), the average nucleotide identity (ANI) and digital DNA-DNA hybridization (dDDH) were 93.89 and 67.60%, respectively. Strain NGMCC 1.200684 (T) can produce acid from fermentation of several substrates, including glucose, mannitol, lactose, saccharose, maltose, salicin, xylose, cellobiose, mannose, raffinose, sorbitol, trehalose, D.galactose, and maltotriose. The major cellular fatty acids (> 10%) were identified as anteiso.C-15:0, iso.C-15:0, iso.C-14:0, and iso.C-17:0 3.OH. The polar lipid profiles of strain NGMCC 1.200684 T were determined to contain diphosphatidyl glycerol, phosphatidylglycerol, phosphatidylethanolamine, three unknown phospholipids, and two unknown amino-phospholipids. Based on phenotypic, phylogenetic, and chemotaxonomic characteristics, a novel species of the genus Bacteroides, Bacteroides rhinocerotis sp. nov. is proposed. The type strain is NGMCC 1.200684 (T) (= CGMCC 1.18013 (T) = JCM -35702 (T)).

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