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Int J Syst Evol Microbiol 58 (2008), 1359-1363; DOI  10.1099/ijs.0.64226-0
© 2008 International Union of Microbiological Societies

Nesterenkonia halophila sp. nov., a moderately halophilic, alkalitolerant actinobacterium isolated from a saline soil

Wen-Jun Li1,{dagger}, Yu-Qin Zhang1,2,{dagger}, Peter Schumann3, Hong-Yu Liu2, Li-Yan Yu2, Yue-Qin Zhang2,{dagger}, Erko Stackebrandt3, Li-Hua Xu1 and Cheng-Lin Jiang1

1 The Key Laboratory for Microbial Resources of the Ministry of Education, PR China, and Laboratory for Conservation and Utilization of Bio-Resources, Yunnan Institute of Microbiology, Yunnan University, Kunming, Yunnan 650091, PR China
2 Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China
3 DSMZ – Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Inhoffenstrasse 7B, D-38124 Braunschweig, Germany

Correspondence
Wen-Jun Li
wjli{at}ynu.edu.cn

A Gram-positive, non-motile, moderately halophilic, alkalitolerant actinobacterium, designated strain YIM 70179T, was isolated from a saline soil sample collected from Xinjiang Province, north-west China, and was subjected to a polyphasic taxonomic study. The cell-wall peptidoglycan type of strain YIM 70179T was A4{alpha}, L-Lys–Gly–L-Glu. Cells of the isolate contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and an unknown glycolipid, MK-8 as major menaquinone and anteiso-C15 : 0, anteiso-C17 : 0 and iso-C16 : 0 as major fatty acids. The DNA G+C content was 68.4 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain YIM 70179T fell within the radiation of species of the genus Nesterenkonia. Levels of 16S rRNA gene sequence similarity between strain YIM 70179T and the type strains of recognized Nesterenkonia species were below 97 %, except to Nesterenkonia halobia DSM 20541T (99.6 %), but these two strains exhibited a low level of DNA–DNA relatedness (18.4 %). Based on genetic and phenotypic evidence, it is proposed that strain YIM 70179T represents a novel species of the genus Nesterenkonia, for which the name Nesterenkonia halophila sp. nov. is proposed. The type strain is YIM 70179T (=DSM 16378T =KCTC 19048T).

{dagger}These authors contributed equally to this work.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain YIM 70179T is AY820953.






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