Rhodococcus jostii: a home for Rhodococcus strain RHA1

Jones, Amanda, Davies, Julian, Fukuda, Masao, Brown, Roselyn, Lim, Jesmine and Goodfellow, Michael (2013) Rhodococcus jostii: a home for Rhodococcus strain RHA1. Antonie van Leeuwenhoek, 104 (3). pp. 435-440. ISSN 0003-6072

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Abstract

The taxonomic position of Rhodococcus strain RHA1, an effective degrader of polychlorinated biphenyls with a large linear chromosome, was established using a polyphasic approach. The morphological and chemotaxonomic properties of the strain were typical of members of the genus Rhodococcus. The strain shared a high level of 16S rRNA sequence similarity (99.9 %) with the type strain of Rhodococcus jostii, a member of the Rhodococcus erythropolis subclade. The two strains shared a DNA:DNA relatedness value well above the cut-off point recommended for the circumscription of genomic species and had a broad range of phenotypic properties in common. The combination of genomic and phenotypic data show strain RHA1 to be a bona fide member of the species Rhodococcus jostii.

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