1887

Abstract

Three novel isolates belonging to the genus Streptomyces , designated JR-35, JR-46 and WH-9, were isolated from bamboo forest soil in Damyang, Korea. The 16S rRNA gene sequences of strains JR-35 and JR-46 showed highest similarities with Streptomyces olivochromogenes NBRC 3178 (99.1 %), Streptomyces siamensis KC-038 (98.9 %), Streptomyces chartreusis NBRC 12753 (98.9 %), Streptomyces resistomycificus NRRL ISP-5133 (98.9 %) and Streptomyces bobili JCM 4627 (98.8 %), and strain WH-9showed highest sequence similarities with Streptomyces . bobili JCM 4627 (99.2 %), Streptomyces phaeoluteigriseus NRRL ISP-5182 (99.2 %), Streptomyces alboniger NBRC 12738 (99.2 %), Streptomyces galilaeus JCM 4757 (99.1 %) and Streptomyces pseudovenezuelae NBRC 12904 (99.1 %). The predominant menaquinones were MK-9 (H6) and MK-9 (H8). The major fatty acids were anteiso-C15 : 0, iso-C16 : 0, iso-C14 : 0 and iso-C15 : 0 for strains JR-35 and JR-46 and anteiso-C15 : 0, iso-C15 : 0 and iso-C16 : 0 for strain WH-9. The G+C content of the genomic DNA of strains JR-35, JR-46 and WH-9 were 69.4, 74.4 and 74.1 mol%, respectively. Based on the phenotypic and genotypic data, the three strains are assigned to two novel species of the genus Streptomyces , for which the names Streptomyces rhizosphaerihabitans sp. nov. (type stain JR-35=KACC 17181=NBRC 109807) and Streptomyces adustus sp. nov. (type strain WH-9=KACC 17197=NBRC 109810) are proposed.

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2016-09-01
2019-10-21
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