Nocardia pigrifrangens sp. nov., a novel actinomycete isolated from a contaminated agar plate

International Journal of Systematic and Evolutionary Microbiology
Liming WangMichael Goodfellow

Abstract

A polyphasic study was undertaken to establish the taxonomic position of an actinomycete strain isolated from a contaminated agar plate. The strain, designated 7031T, had morphological and chemotaxonomic properties typical of the genus Nocardia. An almost-complete 16S rRNA gene sequence determined for the strain was aligned with available sequences for nocardiae, and phylogenetic trees were inferred using three tree-generating algorithms. Strain 7031T clustered with the type strains of Nocardia carnea and Nocardia flavorosea, showing low 16S rRNA gene sequence similarities to these species (97.2 and 97.5 %, respectively). The strain was also distinguished from the closest species by a range of phenotypic properties. It is proposed that the strain be recognized as a novel species of Nocardia, Nocardia pigrifrangens sp. nov., the type strain of which is 7031T (= AS 4.1808T = JCM 11884T).

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Citations

Apr 15, 2006·Clinical Microbiology Reviews·Barbara A Brown-ElliottRichard J Wallace
Nov 17, 2004·International Journal of Systematic and Evolutionary Microbiology·Jianli ZhangMichael Goodfellow
Sep 8, 2006·International Journal of Systematic and Evolutionary Microbiology·Jae Pyo Seo, Soon Dong Lee
Jun 7, 2007·International Journal of Systematic and Evolutionary Microbiology·Peter KämpferHans-Jürgen Busse
Dec 1, 2007·International Journal of Systematic and Evolutionary Microbiology·Jae Pyo SeoSoon Dong Lee

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