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Int J Syst Evol Microbiol 59 (2009), 2166-2170; DOI  10.1099/ijs.0.009860-0
© 2009 International Union of Microbiological Societies

Saccharopolyspora qijiaojingensis sp. nov., a halophilic actinomycete isolated from a salt lake

Shu-Kun Tang1, Yun Wang2, Jin-Yuan Wu1, Lan-Lan Cao2, Kai Lou2, Li-Hua Xu1, Cheng-Lin Jiang1 and Wen-Jun Li1

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 Xinjiang Institute of Microbiology, Xinjiang Academy of Agricultural Science, Urumqi, Xinjiang 830091, PR China

Correspondence
Wen-Jun Li
wjli{at}ynu.edu.cn
or
liact{at}hotmail.com

A halophilic actinomycete strain, designated YIM 91168T, was isolated from a salt lake in Xinjiang province, north-west China. The isolate grew at 20–40 °C, pH 5–8 and 6–22 % (w/v) NaCl; there was no growth in the absence of NaCl. The whole-cell hydrolysate contained meso-diaminopimelic acid, galactose and arabinose. The major fatty acids were iso-C15 : 0, iso-C16 : 0 and iso-C17 : 0. MK-9(H4) was the predominant menaquinone and the genomic DNA G+C content was 70.1 mol%. These chemotaxonomic data, together with its morphological properties, were consistent with the assignment of strain YIM 91168T to the genus Saccharopolyspora. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain YIM 91168T had highest sequence similarity (95.4 %) with Saccharopolyspora gregorii NCIB 12823T, and showed lower 16S rRNA gene sequence similarity (93.0–95.1 %) with the other species of the genus Saccharopolyspora. On the basis of evidence from this polyphasic study, the novel species Saccharopolyspora qijiaojingensis sp. nov. is proposed. The type strain is YIM 91168T (=DSM 45088T =KCTC 19235T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain YIM 91168T is EF687715.






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