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Vogesella lacus sp. nov., isolated from a soft-shell turtle culture pond

¹ Laboratory of Microbiology, Department of Seafood Science, National Kaohsiung Marine University, No. 142, Hai-Chuan Rd. Nan-Tzu, Kaohsiung City 811, Taiwan, ROC
² Department of Soil Environmental Science, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, Taiwan, ROC
³ Research Center for Biodiversity, Academia Sinica, Nangang 115, Taipei, Taiwan, ROC
⁴ Institute of Biotechnology, Tajen University, Yanpu, Pingtung 907, Taiwan, ROC

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

A non-pigmented, Gram-negative, aerobic, rod-shaped bacterium, strain GR13^T, was isolated using nutrient agar from a water sample from a pond used for the culture of soft-shell turtles (Trionyx sinensis), Pingtung County, Taiwan. 16S rRNA gene sequence studies indicated that the novel strain formed a monophyletic branch at the periphery of the evolutionary radiation occupied by the genus Vogesella. Its closest neighbours were Vogesella indigofera ATCC 19706^T and Vogesella perlucida DS-28^T (both with 97.4 % gene sequence similarity). The novel isolate could be distinguished from these species by several phenotypic characteristics. The predominant fatty acids were summed feature 3 (C_{16 : 1}7c and/or C_{15 : 0} iso 2-OH; 60 %), C_{16 : 0} (13.6 %) and C_{18 : 1}7c (12.5 %). The DNA G+C content of strain GR13^T was 63 mol%. The DNA–DNA hybridization values for the novel strain with V. indigofera and V. perlucida were <25 %. On the basis of the 16S rRNA gene sequence analysis and the chemotaxonomic and physiological data, it is concluded that strain GR13^T represents a novel species in the genus Vogesella, for which the name Vogesella lacus sp. nov. is proposed. The type strain is GR13^T (=BCRC 17836^T=LMG 24504^T).