Streptomyces arcticus sp. nov., isolated from the Arctic

International Journal of Systematic and Evolutionary Microbiology
Li ZhangKui Hong

Abstract

Actinomycete strain ZLN234T was isolated from a slushy soil sample, which was collected from glacier front of Arctic. Chemotaxonomic and morphological characteristics were found to be typical of members of the genus Streptomyces. The strain formed a distinct phyletic line in the 16S rRNA gene tree and to be closely associated with the type strains of Streptomyces olivochromogenes ATCC 3336T (98.63 %) and Streptomyces aureus B7319T (98.56 %). Phylogenetic analysis based on the gyrB gene also clearly showed that the strain ZLN234T was different from any discovered Streptomyces species. The whole-cell sugars contained galactose, glucose, ribose and rhamnose. The whole-cell wall amino acids included alanine, glutamine, glycine, meso-diaminopimelic acid (meso-DAP) and low content of LL-DAP. The characteristic polar lipids were identified as diphosphatidyl-glycerol, phosphatidyl-ethanolamine, phosphatidylinositol, phosphatidylinositol mannosides and unknown phospholipids. The major menaquinones were MK-9(H10), MK-9(H8) and MK-9(H4). Its major cellular fatty acids comprised anteiso-C15:0, iso-C16:0 and C16:0 with a small amount of iso-C16:1ω7ϲ and anteiso-C14:0. The DNA G+C content of strain ZLN234T was 77.5 mol%. On the basis of thes...Continue Reading

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Citations

Mar 1, 2017·Marine Drugs·Yuan TianFeng-Chun Zhao
Jun 1, 2020·Archives of Microbiology·Ameni AyedNorbert Sewald
Jul 30, 2019·International Journal of Microbiology·Periyasamy SivalingamKandasamy Prabakar
Nov 13, 2020·International Journal of Systematic and Evolutionary Microbiology·Yihui GuoGao Jian
Mar 7, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Imran KhanHaibo Zhang

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