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Streptomyces atacamensis sp. nov., isolated from an extreme hyper-arid soil of the Atacama Desert, Chile

By Rakesh Santhanam, Chinyere K. Okoro, Xiaoying Rong, Ying Huang, Alan T. Bull, Hang-Yeon Weon, Barbara A. Andrews, Juan A. Asenjo and Michael Goodfellow


The taxonomic position of a Streptomyces strain isolated from an extreme hyper-arid soil sample collected from the Atacama Desert was determined using a polyphasic approach. The strain, isolate C60T, had chemical and morphological features typical of members of the genus Streptomyces and formed a distinct phyletic line in the Streptomyces 16S rRNA gene tree, together with the type strain of Streptomyces radiopugnans. The two strains were distinguished readily using a combination of phenotypic properties and by a DNA–DNA relatedness value of 23.17 (±0.95) %. On the basis of these genotypic and phenotypic data, it is proposed that isolate C60T ( = CGMCC 4.7018T = KACC 15492T) be classified in the genus Streptomyces as Streptomyces atacamensis sp. nov

Topics: Q
Year: 2012
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