1887

Abstract

A halophilic actinomycete strain, designated YIM 90500, was isolated from a saline lake in Xinjiang province, north-west China and subjected to a polyphasic taxonomic study. Good growth of the novel isolate occurred at 28–37 °C, pH 7–8 and with 10–15 % (w/v) NaCl; no growth occurred without any salts. Strain YIM 90500 contained -diaminopimelic acid with glucose, arabinose and ribose as the whole-cell sugars. The major phospholipids were phosphatidylcholine and diphosphatidylglycerol. MK-9(H) was the predominant menaquinone. The major fatty acids were iso-C, iso-C and anteiso-C. The chemotaxonomic data together with the morphological properties of strain YIM 90500 consistently assigned the strain as belonging to the genus . Phylogenetic analysis based on 16S rRNA gene sequences further revealed that strain YIM 90500 formed a distinct phyletic lineage in the genus and showed low 16S rRNA gene similarities (<96.4 %) with other species of the genus. On the basis of the evidence from the polyphasic study, a novel species, sp. nov., is proposed. The type strain is YIM 90500 (=DSM 45007=KCTC 19162).

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2009-03-01
2019-10-23
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vol. , part 3, pp. 555 - 558

Scanning electron micrograph of spore chains of strain YIM 90500 ( sp. nov.) [PDF](258 KB)



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