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Int J Syst Evol Microbiol 58 (2008), 2098-2101; DOI  10.1099/ijs.0.65864-0
© 2008 International Union of Microbiological Societies

Sphingobacterium anhuiense sp. nov., isolated from forest soil

Wei Wei1,{dagger}, Yu Zhou1,{dagger}, Xu Wang1, Xing Huang1 and Ren Lai1,2

1 Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Life Sciences College of Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
2 Biotoxin department of Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, PR China

Correspondence
Ren Lai
rlai72{at}njau.edu.cn
or
zhouy81{at}yahoo.com.cn

A Gram-negative bacterium, designated strain CW 186T, was isolated from forest soil in Anhui province, China. Cells of strain CW 186T were strictly aerobic, non-motile and rod-shaped. The strain grew optimally at 25–30 °C and pH 6.0–8.0. The major cellular fatty acids of strain CW 186T were iso-C15 : 0 (32.2 %), iso-C17 : 0 3-OH (9.8 %) and summed feature 3 (iso-C15 : 0 2-OH and/or C16 : 1{omega}7c; 33.7 %). The predominant isoprenoid quinone was MK-7. The G+C content of the genomic DNA was 36.3 mol%. Phylogenetic analysis using 16S rRNA gene sequences showed that strain CW 186T formed a monophyletic cluster with Sphingobacterium daejeonense LMG 23402T, Sphingobacterium composti LMG 23401T, Sphingobacterium composti DSM 18850T, Sphingobacterium mizutaii ATCC 33299T and Sphingobacterium spiritivorum ATCC 33861T. Sequence similarities were less than 94 % (the maximal similarity was about 93.9 % to S. composti LMG 23401T) to Sphingobacterium species with validly published names. A polyphasic taxonomic study including chemotaxonomic and phylogenetic analyses demonstrated that strain CW 186T should be classified as representing a novel species of the genus Sphingobacterium, for which the name Sphingobacterium anhuiense sp. nov. is proposed. The type strain is CW 186T (=KCTC 22209T=CCTCC AB 207197T).

{dagger}These authors contributed equally to this work.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain CW 186T is EU364817.






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