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Hungatella effluvii gen. nov., sp. nov., an obligately anaerobic bacterium isolated from an effluent treatment plant, and reclassification of Clostridium hathewayi as Hungatella hathewayi gen. nov., comb. nov.

DIR@IMTECH: CSIR-Institute of Microbial Technology

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Title Hungatella effluvii gen. nov., sp. nov., an obligately anaerobic bacterium isolated from an effluent treatment plant, and reclassification of Clostridium hathewayi as Hungatella hathewayi gen. nov., comb. nov.
 
Creator Kaur, Sukhpreet
Yawar, Mir
Kumar, P Anil
Suresh, K
 
Description A Gram-stain-positive, rod-shaped, spore-forming and strictly anaerobic bacterium, designated UB-B.2(T), was isolated from an industrial effluent anaerobic digester sample. It grew optimally at 30 °C and pH 7.0. Comparative analysis of the 16S rRNA gene sequence confirmed that strain UB-B.2(T) was closely related to Clostridium hathewayi DSM 13479(T) (97.84% similarity), a member of rRNA gene cluster XIVa of the genus Clostridium, and formed a coherent cluster with other related members of the Blautia (Clostridium) coccoides rRNA group in phylogenetic analyses. The end products of glucose fermentation by strain UB-B.2(T) were acetate and propionate. The G+C content of the DNA was 51.4 mol%. Although strain UB-B.2(T) showed 97.8% 16S rRNA gene sequence identity to the type strain of C. hathewayi, it exhibited only 38.4% relatedness at the whole-genome level. It also showed differences from its closest phylogenetic relative, C. hathewayi DSM 13479(T), in phenotypic characteristics such as hydrolysis of aesculin, starch and urea and fermentation end products. Both strains showed phenotypic differences from the members of rRNA gene cluster XIVa of the genus Clostridium. Based on these differences, C. hathewayi DSM 13479(T) and strain UB-B.2(T) were identified as representatives of a new genus of the family Clostridiaceae. Thus, we propose the reclassification of Clostridium hathewayi as Hungatella hathewayi gen. nov., comb. nov., the type species of the new genus (type strain DSM 13479(T) = CCUG 43506(T) = MTCC 10951(T)). Strain UB-B.2(T) ( = MTCC 11101(T) = DSM 24995(T)) is assigned to the novel species Hungatella effluvii gen. nov., sp. nov as the type strain.
 
Publisher Reading, UK : Society for General Microbiology, c2000-
 
Date 2014-03
 
Type Article
PeerReviewed
 
Relation http://ijs.sgmjournals.org/content/64/Pt_3/710.long
http://crdd.osdd.net/open/1582/
 
Identifier Kaur, Sukhpreet and Yawar, Mir and Kumar, P Anil and Suresh, K (2014) Hungatella effluvii gen. nov., sp. nov., an obligately anaerobic bacterium isolated from an effluent treatment plant, and reclassification of Clostridium hathewayi as Hungatella hathewayi gen. nov., comb. nov. International journal of systematic and evolutionary microbiology, 64 (Pt 3). pp. 710-8. ISSN 1466-5034