期刊
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 66, 期 -, 页码 1482-1487出版社
MICROBIOLOGY SOC
DOI: 10.1099/ijsem.0.000907
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- EU [312184]
Actinomycete strain ZLN234(T) was isolated from a frozen soil sample, which was collected from a glacier front in the 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 was closely related to Streptomyces olivochromogenes ATCC 3336T (98.63 % similarity) and Streptomyces aureus B7319(T) (98.56 %). Phylogenetic analysis based on the gyrB gene also showed clearly that strain ZLN234T was different from all recognized Streptomyces species. The whole-cell sugars were galactose, glucose, ribose and rhamnose. The whole -cell -wall amino acids included alanine, glutamine, glycine and meso-diaminopimelic acid with a minor amount of LL-diaminopimelic acid. The characteristic polar lipids were identified as diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol, phosphatidylinositol mannosides and unknown phospholipids. The major menaquinones were MK -9(H10), MK-9(H8) and MK-9(H4). The major cellular fatty acids comprised anteiso-C-15,C- 0, iso-C-16 : 0 and C-16 : 0 with a small amount of iso-C-16:(1)omega 7c and anteiso-C14 : 0.The DNA G+C content of strain ZLN234T was 77.5 mol%. On the basis of these phenotypic, phylogenetic and chemotaxonomic characteristics, strain ZLN234(T) (=CCTCC AA 2015005(T)=DSM 100713(T)) is the type strain of a novel species of the genus Streptomyces, for which the name Streptomyces arcticus sp. nov. is proposed.
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