Abstract
The taxonomic position of a Streptomyces strain isolated from a hyper-arid desert soil was established using a polyphasic approach. The organism had chemical and morphological properties typical of the genus Streptomyces and formed a phyletic line at the periphery of the Streptomyces coeruleorubidus subcluster in the 16S rRNA gene tree. DNA:DNA relatedness values between the isolate and its nearest phylogenetic neighbours, Streptomyces lomondensis NRRL 3252T and Streptomyces lusitanus NRRL B-12501T were 42.5 (±0.48)% and 25.0 (±1.78)%, respectively. The isolate was readily distinguished from these organisms using a combination of morphological and phenotypic properties. On the basis of these results, it is proposed that isolate C63T (CGMCC 4.6997T, = KACC 15425T) be classified as the type strain of Streptomyces deserti sp. nov.
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Acknowledgments
A.T.B. thanks the Leverhulme Trust for an Emeritus Fellowship, and A.T.B. and J.A.S. thank the Royal Society for International Joint Project Grant JP100654 and funded in part by the National Science Foundation of China (grant 31100003).
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The GenBank accession number for the 16S rRNA gene sequence of Streptomyces deserti C63T is HE577172.
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Santhanam, R., Okoro, C.K., Rong, X. et al. Streptomyces deserti sp. nov., isolated from hyper-arid Atacama Desert soil. Antonie van Leeuwenhoek 101, 575–581 (2012). https://doi.org/10.1007/s10482-011-9672-0
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DOI: https://doi.org/10.1007/s10482-011-9672-0