1887

Abstract

A bacterial isolate (IMMIB R-145) from a human abscess was subjected to a polyphasic taxonomic study. Chemotaxonomic investigations revealed the isolate to have cell wall chemotype IV and mycolic acids consistent with characteristics of the genus . Comparative 16S rRNA gene sequencing showed that the isolate constituted a distinct subline within the genus , displaying greater than 1·7 % sequence divergence with established species. However, a DNA–DNA hybridization study demonstrated unambiguously that the isolate was genealogically distinct from closely related species, namely, , and , with which it showed high levels of 16S rDNA sequence similarity (97·8, 97·9 and 98·3 %, respectively). Based on phenotypic and phylogenetic data, it is proposed that this isolate be classified as a new species of the genus , for which the name (type strain IMMIB R-145=DSM 44599=NRRL B-24204) is proposed.

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2003-09-01
2020-06-04
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