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Lookup NU author(s): Dr Byung-Yong Kim,
Dr Ying Huang,
Professor Michael Goodfellow
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Two actinomycete strains, BK125(T) and BK199(T), isolated from a hay meadow soil sample were investigated to determine their taxonomic position using a polyphasic approach. The isolates produced greenish-yellow and light green aerial mycelium on oatmeal agar, respectively. They contained anteiso-C-15:0, iso-C-15:0 and C-16:0 as the major fatty acids, and MK-9 (H-6) and MK-9 (H-8) as the predominant isoprenoid quinones. Phylogenetic analysis of the 16S rRNA gene sequences showed that the isolates formed distinct phyletic lines towards the periphery of the Streptomyces prasinus subclade. Analysis of DNA-DNA relatedness between the two isolates showed that they belonged to different genomic species. The organisms were also distinguished from one another and from type strains of species classified in the S. prasinus subclade using a combination of genotypic and phenotypic properties. On the basis of these data, it is proposed that the isolates be assigned to the genus Streptomyces as Streptomyces chlorus sp. nov. and Streptomyces viridis sp. nov. with isolates BK125(T) (=KACC 20902(T)=CGMCC 4.5798(T)) and BK199(T) (=KACC 21003(T)=CGMCC 4.6824(T)) as the respective type strains.
Author(s): Goodfellow M; Huang Y; Kim BY; Rong XY; Zucchi TD
Publication type: Article
Publication status: Published
Journal: International Journal of Systematic and Evolutionary Microbiology
Print publication date: 01/05/2013
Online publication date: 24/08/2012
ISSN (print): 1466-5026
ISSN (electronic): 1466-5026
Publisher: Society for General Microbiology
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