Affiliation:
1. School of Biology, University of Newcastle, Newcastle upon Tyne, NE17RU, UK
Abstract
A polyphasic study was undertaken to determine the taxonomic status of six strains received as Streptomyces hygroscopicus. The strains had chemotaxonomic and morphological properties typical of members of the genus Streptomyces and formed distinct phyletic lines in the Streptomyces 16S rRNA gene tree. These strains were distinguished from one another and from phylogenetically close neighbours using a combination of phenotypic properties. The combined genotypic and phenotypic data showed that all six strains form distinct centres of taxonomic variation within the genus Streptomyces. The following novel species are proposed to accommodate the strains: Streptomyces aldersoniae sp. nov. (type strain DSM 41909T =NRRL 18513T), Streptomyces angustmyceticus sp. nov., comb. nov. (type strain DSM 41683T=NRRL B-2347T), Streptomyces ascomycinicus sp. nov. (type strain DSM 40822T =NBRC 13981T), Streptomyces decoyicus sp. nov., comb. nov. (type strain DSM 41427T =NRRL 2666T), Streptomyces milbemycinicus sp. nov. (type strain DSM 41911T =NRRL 5739T) and Streptomyces wellingtoniae sp. nov. (type strain DSM 40632T =NRRL B-1503T).
Subject
General Medicine,Ecology, Evolution, Behavior and Systematics,Microbiology
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