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The Nocardia salmonicida clade, including descriptions of Nocardia cummidelens sp. nov., Nocardia fluminea sp. nov. and Nocardia soli sp. nov.

Lookup NU author(s): Dr Luis Maldonado, Emeritus Professor Alan Ward, Professor Michael Goodfellow


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Large numbers of strains selectively isolated from soil, water and deteriorating vulcanised natural rubber pipe rings were provisionally assigned to the genus Nocardia. Twenty-eight representative isolates were found to have chemical and morphological properties typical of nocardiae. These organisms formed a monophyletic clade in the 16S rDNA tree together with Nocardia salmonicida. Three of the strains, isolates S1, W30 and R89, were distinguished from one another and from representatives of the validly described species of Nocardia using genotypic and phenotypic data. These organisms were considered to merit species status and were named Nocardia cummidelens sp. nov., Nocardia fluminea sp. nov. and Nocardia soli sp. nov. respectively. Additional comparative studies are needed to resolve the finer taxonomic relationships of the remaining isolates assigned to the Nocardia salmonicida clade and to further unravel the extent of nocardial diversity in artificial and natural ecosystems.

Publication metadata

Author(s): Ward AC; Goodfellow M; Maldonado L; Hookey JV

Publication type: Article

Publication status: Published

Journal: Antonie van Leeuwenhoek, International Journal of General and Molecular Microbiology

Year: 2000

Volume: 78

Issue: 3-4

Pages: 367-377

Print publication date: 01/01/2000

ISSN (print): 0003-6072

ISSN (electronic): 1572-9699

Publisher: Springer Netherlands


DOI: 10.1023/A:1010230632040

PubMed id: 11386359


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