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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.
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
Print publication date: 01/01/2000
ISSN (print): 0003-6072
ISSN (electronic): 1572-9699
Publisher: Springer Netherlands
PubMed id: 11386359
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