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Taxonomy Citation ID Reference
43178 Zhao  X, Li  D, Xu  S, Guo  Z, Zhang  Y, Man  L, Jiang  B, Hu  X,     ( 2017 )

Clostridium guangxiense sp. nov. and Clostridium neuense sp. nov., two phylogenetically closely related hydrogen-producing species isolated from lake sediment.

International journal of systematic and evolutionary microbiology 67 (3)
PMID : 27911258 DOI  :   10.1099/ijsem.0.001702     DOI  :   10.1099/ijsem.0.001702    
Abstract >>
Two novel anaerobic, mesophilic, biohydrogen-producing bacteria, designated strains ZGM211T and G1T, were isolated from lake sediment. 16S rRNA and ATP synthase beta subunit (atpD) gene sequences and phylogenetic analysis of strains ZGM211T and G1T revealed an affiliation to the genus Clostridium sensu stricto (cluster I of the clostridia), with Clostridium acetobutylicum as the closest characterized species, showing the same sequence similarity of 96.4 % to the type strain (98.9 % between the two isolates). Cells of the two strains were rod shaped. Growth occurred at 20-45 �XC, pH 4.0-8.0 and NaCl concentrations up to 2 % (w/v). Grown on glucose, the main fermentation products were H2, CO2, acetate and butyrate. The major fatty acids were C14 : 0 and C16 : 0. The DNA G+C contents of strains ZGM211T and G1T were 40.7 and 41.5 mol%, respectively. Based on phenotypic, chemotaxonomic and phylogenetic differences, strains ZGM211T (=CICC 24070T=BCRC 80950T) and G1T (=CICC 24069T=BCRC 80949T) are proposed as the type strains of novel species of the genus Clostridium with the names Clostridium guangxiense sp. nov. and Clostridium neuense sp. nov., respectively.
KeywordMeSH Terms
Phylogeny
Phylogeny

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