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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 68, Issue 10

Streptomyces dengpaensis sp. nov., an actinomycete isolated from desert soil Free

Abstract

A novel actinomycete, designated strain XZHG99, was isolated from soil taken from colour desert, Dengpa District, Tibet Autonomous Region, China. Its taxonomic position was determined by a polyphasic approach. The strain showed morphological and chemotaxonomic features typical of the genus Streptomyces : branched substrate and aerial mycelia, straight spore chains and smooth spores; ll-diaminopimelic acid in the cell-wall peptidoglycan; MK-9(H8), MK-9(H2), MK-9(H6) and MK-9(H10) as menaquinones; diphosphatidylglycerol, phospatidylethanolamine, phosphatidylinositol, phosphotidylinositol mannoside and phosphatidylglycerol as prominent phospholipids; iso-C16 : 0, anteiso-C15 : 0 and C16 : 0 as major cellular fatty acids; and DNA G+C content of 69.9 mol%. 16S rRNA gene sequence analysis indicated that strain XZHG99 showed high similarity to Streptomyces albiflavescens m20 (98.42 %) and Streptomyces krungchingensis KC-035 (98.14 %) as well as formed a monophyletic clade with them in the phylogenetic tree. Based on comparison of phenotypic properties and the low level of DNA–DNA relatedness, strain XZHG99 can be distinguished from phylogenetically related Streptomyces species and is suggested to represent a novel species of the genus Streptomyces , for which the name Streptomyces dengpaensis sp. nov. is proposed. The type strain is XZHG99 (=CGMCC 4.7472=KCTC 49090).

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  • Accepted:
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Keyword(s): actinomycete , polyphasic , soil and Streptomyces dengpaensis
© 2018 IUMS
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2018-08-31
2024-04-18
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Streptomyces dengpaensis sp. nov., an actinomycete isolated from desert soil
Int J Syst Evol Microbiol 68, 3322 (2018); https://doi.org/10.1099/ijsem.0.002994
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