Bacteroides finegoldii sp. nov., isolated from human faeces

  • Bakir M
  • Kitahara M
  • Sakamoto M
 et al. 
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Abstract

Two strains, 199 T and 176, of Gram-negative, anaerobic, rod-shaped, non-spore-forming bacteria were isolated during studies of microbiota in human faeces using polyamine-deficient medium. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the isolated strains belonged to the genus Bacteroides. The G+C content (42?4–43?0 mol%) and major fatty acid composition (anteiso-C 15 : 0 , 31?8–36?2 %) supported the affiliation of the two strains to the genus Bacteroides. 16S rRNA gene sequence similarities with their closest neighbours, Bacteroides thetaiotaomicron and Bacteroides ovatus, ranged from 94?6 to 96?5 %. DNA–DNA hybridization and phenotypic analysis showed that the two strains belonged to the same species (DNA–DNA relatedness of 89 %) and were distinct from their close relatives, B. thetaiotaomicron and B. ovatus (

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Authors

  • Mohammad Abdul Bakir

  • Maki Kitahara

  • Mitsuo Sakamoto

  • Mitsuharu Matsumoto

  • Yoshimi Benno

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