1887

Abstract

The taxonomic positions of two soil actinomycetes, strains 117 and 43401, provisionally assigned to the genus were determined in a polyphasic study. The organisms were found to have phenotypic properties typical of members of the genus , and formed a distinct branch in the 16S rRNA gene tree. It was evident from the phylogenetic data that the isolates were most closely, albeit loosely, associated with the type strains of and . However, all four of these organisms were readily distinguishable from one another using DNA–DNA relatedness and phenotypic data. It is evident from the genotypic and phenotypic data that the two isolates should be recognized as novel species of the genus . It is proposed, therefore, that strains 117 (=CGMCC 4.1904=JCM 12860) and 43401 (=CGMCC 4.1905=JCM 12861) be classified in the genus as the type strains of sp. nov. and sp. nov., respectively.

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2005-09-01
2020-01-21
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vol. , part 5, pp. 1921 - 1925

Scanning electron micrographs of strain 117 (a) and strain 43401 (b) showing rod-shaped elements after 7 days of growth at 28 °C on modified Sauton's agar. [PDF](414 KB)



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