Document Detail

Bacteroides stercorirosoris sp. nov. and Bacteroides faecichinchillae sp. nov., isolated from chinchilla (Chincilla lanigera) faeces.
MedLine Citation:
PMID:  21724955     Owner:  NLM     Status:  Publisher    
Strains of Gram-negative anaerobic rods were isolated from chinchilla (Chinchilla lanigera) faeces, and three strains, ST161T, ST33 and ST37T, were investigated taxonomically. Based on the phylogenetic analyses and specific phenotypic characteristics, the three strains belonged to the genus Bacteroides. Phylogenetic analyses of their 16S rRNA gene sequences revealed that strain ST161T formed a distinct line of descent, and the highest sequence similarity to ST161T was found with strain ST33 (98.7 %) and B. oleiciplenus JCM 16102T (97.7 %). A high DNA-DNA hybridization value (79 - 89 %) was found between the two strains, ST161T and ST33, while low DNA-DNA hybridization values were found between strain ST161T and B. oleiciplenus JCM 16102T (33 - 37 %), and between strain ST33 and B. oleiciplenus JCM 16102T (33 - 37 %), respectively. The DNA-DNA hybridization experiment clearly indicated that two strains, ST161T and ST33, were identified as a single species and a novel species. In the 16S rRNA gene analyses, strain ST37T formed a distinct line of descent, and the highest sequence similarity to ST37T was found with B. acidifaciens JCM 10556T (96.5 %) and B. caccae JCM 9498T (95.6 %). Analysis of hsp60 gene sequences also supported these relationships. Based on the phenotypic and phylogenetic characteristics, two novel species Bacteroides stercorirosoris sp. nov. and Bacteroides faecichinchillae sp. nov., are proposed. The type strains of B. stercorirosoris and B. faecichinchillae are ST161 T (= JCM 17103T = CCUG 60872T) and ST37 T (= JCM 17102T = CCUG 60873T), respectively. The G+C content were 45.7 mol% for B. stercorirosoris ST161 T and 41.0 mol% for B. faecichinchillae ST37T.
Maki Kitahara; Mitsuo Sakamoto; Sayaka Tsuchida; Koh Kawasumi; Hiromi Amao; Yoshimi Benno; Moriya Ohkuma
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-1
Journal Detail:
Title:  International journal of systematic and evolutionary microbiology     Volume:  -     ISSN:  1466-5034     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100899600     Medline TA:  Int J Syst Evol Microbiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
JCM, RIKEN BioResource Center;
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