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Corynebacterium sphenisci sp nov., isolated from wild penguins

Goyache, J., Ballesteros, C., Vela, A.I., Collins, M.D., Briones, V., Hutson, R.A., Potti, J., Garcia-Borboroglu, P., Dominguez, L. and Fernandez-Garayzabal, J.F. (2003) Corynebacterium sphenisci sp nov., isolated from wild penguins. International Journal of Systematic and Evolutionary Microbiology, 53 (4). pp. 1009-1012. ISSN 1466-5026

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To link to this item DOI: 10.1099/ijs.0.02502-0


Six unidentified Gram-positive, rod-shaped organisms recovered from the cloacae of apparently healthy wild penguins were characterized by phenotypic and molecular taxonomic methods. Chemotaxonomic investigations revealed the presence of a cell wall based on meso-diaminopimelic acid and long-chain cellular fatty acids of the straight-chain saturated and monounsaturated types, consistent with the genus Corynebacterium. Corynomycolic acids, which are characteristic of the genus, were also detected, albeit in small amounts. Comparative 16S rRNA gene sequencing studies showed that the unidentified organisms were phylogenetically related to corynebacteria and represent a novel subline associated with a small subcluster of species that includes Corynebacterium xerosis, Corynebacterium amycolatum and Corynebacterium freneyi. The unknown isolates were readily distinguished from their closest phylogenetic relatives and all other Corynebacterium species with validly published names by using a combination of biochemical and chemotaxonomic criteria. Based on both phenotypic and 16S rRNA gene sequence considerations, it is proposed that the unknown isolates recovered from penguins be classified as a novel species in the genus Corynebacterium, Corynebacterium sphenisci sp. nov. The type strain is CECT 5990(T) (= CCUG 46398(T)).

Item Type:Article
Divisions:Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences
ID Code:13350

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