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Int J Syst Evol Microbiol 59 (2009), 2185-2190; DOI  10.1099/ijs.0.006882-0
© 2009 International Union of Microbiological Societies

Fodinibacter luteus gen. nov., sp. nov., an actinobacterium isolated from a salt mine

Zhi-Gang Wang1,{dagger}, Yong-Xia Wang1,{dagger}, Ji-Hui Liu1, Yi-Guang Chen1,2, Xiao-Xia Zhang3, Meng-Liang Wen1, Li-Hua Xu1, Qian Peng1 and Xiao-Long Cui1

1 Yunnan Institute of Microbiology, Yunnan University, Kunming, Yunnan 650091, PR China
2 College of Bio-resources and Environmental Science, Jishou University, Jishou, Hunan 416000, PR China
3 Agricultural Cultural Collection of China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100080, PR China

Correspondence
Xiao-Long Cui
xlcui{at}ynu.edu.cn
or
xlcuiynu{at}yahoo.com.cn

A Gram-positive-staining, aerobic, catalase- and oxidase-positive, irregular short rod-shaped actinobacterium, designated strain YIM C003T, was isolated from a salt mine in Yunnan, PR China. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain YIM C003T was most closely related to strains of the genera Knoellia (94.2–96.0 % similarity), Oryzihumus (95.6 %), Terrabacter (94.9–95.4 %), Janibacter (94.9–95.4 %), Kribbia (95.0 %), Lapillicoccus (95.0 %) and Phycicoccus (94.2–95.0 %) of the family Intrasporangiaceae and that it formed an independent monophyletic lineage with three strains of Oryzihumus leptocrescens. The DNA G+C content of strain YIM C003T was 72.0 mol%. The diagnostic cell-wall diamino acid was meso-diaminopimelic acid. The predominant menaquinone was MK-8(H4). Mycolic acids were not detected. The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol and two unknown phospholipids. The major cellular fatty acids were C18 : 1{omega}9c and C16 : 0. These chemotaxonomic properties, together with data from phylogenetic analysis, enabled the novel isolate to be differentiated from all other members of the family. A novel species in a new genus, Fodinibacter luteus gen. nov., sp. nov., is proposed, with strain YIM C003T (=DSM 21208T =CCTCC AA 208036T) as the type strain of Fodinibacter luteus.

Abbreviations: DAP, diaminopimelic acid

{dagger}These authors contributed equally to this work.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain YIM C003T is EU878005.

A transmission electron micrograph of cells of strain YIM C003T is available as supplementary material with the online version of this paper.






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