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Int J Syst Evol Microbiol 56 (2006), 2793-2797; DOI  10.1099/ijs.0.64446-0
© 2006 International Union of Microbiological Societies

Schlegelella aquatica sp. nov., a novel thermophilic bacterium isolated from a hot spring

Yi-Ju Chou1, Shih-Yi Sheu2, Der-Shyan Sheu2, Jih-Terng Wang3 and Wen-Ming Chen1

1 Department of Seafood Science, National Kaohsiung Marine University, No. 142, Hai-Chuan Road, Nan-Tzu, Kaohsiung City 811, Taiwan
2 Department of Marine Biotechnology, National Kaohsiung Marine University, No. 142, Hai-Chuan Road, Nan-Tzu, Kaohsiung City 811, Taiwan
3 Department of Biotechnology, Tajen University, Pingtung, Taiwan

Correspondence
Wen-Ming Chen
p62365{at}ms28.hinet.net

A moderately thermophilic bacterial strain designated wcf1T, isolated from a hot spring located in the Tainan area, southern Taiwan, was characterized using a polyphasic approach. The cells were Gram-negative, non-pigmented, rod-shaped, non-spore-forming and motile. Phylogenetic analysis using 16S rRNA gene sequences showed that the strain formed a monophyletic branch towards the periphery of the evolutionary radiation occupied by the genus Schlegelella; its only close neighbour was the type strain of Schlegelella thermodepolymerans, K14T (97.8 %). The isolate was clearly distinguishable from other strains using phylogenetic analysis, DNA–DNA hybridization, fatty acid composition data and a range of physiological and biochemical characteristics. It was evident from the genotypic and phenotypic data that strain wcf1T represents a novel species in the genus Schlegelella, for which the name Schlegelella aquatica sp. nov. is proposed, with the type strain wcf1T (=BCRC 17557T=LMG 23380T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain wcf1T is DQ417336.

A table detailing the chemical composition of the Guanzingling hot spring water sample is available as supplementary material in IJSEM Online.






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Copyright © 2006 by the International Union of Microbiological Societies.