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Int J Syst Evol Microbiol 59 (2009), 1387-1390; DOI  10.1099/ijs.0.002592-0
© 2009 International Union of Microbiological Societies

Planomicrobium glaciei sp. nov., a psychrotolerant bacterium isolated from a glacier

De-Chao Zhang1, Hong-Can Liu1, Yu-Hua Xin1, Yong Yu2, Pei-Jin Zhou1 and Yu-Guang Zhou1

1 China General Microbiological Culture Collection Center and State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
2 SOA Key Laboratory for Polar Science, Polar Research Institute of China, Shanghai 200136, PR China

Correspondence
Yu-Guang Zhou
zhouyg{at}sun.im.ac.cn

A novel aerobic, psychrotolerant, yellow-to-orange bacterium (strain 0423T) was isolated from the China No. 1 glacier. Strain 0423T displayed phenotypic and chemotaxonomic features of the genus Planomicrobium, containing anteiso-C15 : 0 and iso-C14 : 0 as the major fatty acids. The temperature range for growth was 4–28 °C, with optimum growth at 20–21 °C. The genomic DNA G+C content was 49 mol%. Phylogenetic analysis based on 16S rRNA gene sequence similarity showed that strain 0423T was related to members of the genus Planomicrobium, sharing the highest sequence similarities with the type strains of Planomicrobium chinense, P. mcmeekinii, P. okeanokoites and P. koreense. On the basis of phenotypic characteristics, phylogenetic analysis and DNA–DNA relatedness data, a novel species, Planomicrobium glaciei sp. nov., is proposed. The type strain is 0423T (=CGMCC 1.6846T =JCM 15088T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain 0423T is EU036220.

Cellular fatty acid compositions of strain 0423T and its phylogenetic relatives are available as supplementary material with the online version of this paper.






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