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Int J Syst Evol Microbiol 57 (2007), 661-665; DOI  10.1099/ijs.0.64476-0
© 2007 International Union of Microbiological Societies

Nocardia ninae sp. nov., isolated from a bronchial aspirate

Frédéric Laurent1, Verónica Rodríguez-Nava1, Latifa Noussair2, Andrée Couble1, Marie-Hélène Nicolas-Chanoine2 and Patrick Boiron1

1 UMR CNRS 5557, Centre for Microbial Ecology, Opportunistic Pathogens and Environment Research Group, French Observatory for Nocardiosis, Faculté de Pharmacie, Université Claude Bernard Lyon I, 69373 Lyon Cedex 08, France
2 Microbiology Department, Hôpital Beaujon, 92110 Clichy Cedex, France

Correspondence
Frédéric Laurent
frederic.laurent{at}recherche.univ-lyon1.fr

A Gram-positive and acid-fast filamentous bacterium (OFN 02.72T) was isolated from a bronchial aspirate from a 53-year-old patient. Chemotaxonomic data supported the affiliation of this organism to the genus Nocardia, and the phenotypic characteristics demonstrated that the strain differed from all previously described Nocardia species. Restriction enzyme analysis of the hsp65 gene (encoding the 65 kDa heat-shock protein) and sequencing of the 16S rRNA and hsp65 genes confirmed that this isolate is unique. The most closely related type strains were Nocardia alba YIM 30243T (=DSM 44684T) and Nocardia jejuensis N3-2T (=JCM 13281T) (with 16S rRNA gene sequence similarities of 98.3 and 97.2 %, respectively). On the basis of this polyphasic study, strain OFN 02.72T represents a novel species within the genus Nocardia, for which the name Nocardia ninae sp. nov. is proposed. The type strain is OFN 02.72T (=CIP 108955T=DSM 44978T).

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA and hsp65 gene sequences of strain OFN 02.72T are DQ235687 and DQ250023, respectively.

Extended phylogenetic trees based on 16S rRNA and hsp65 gene sequences are available as supplementary figures in IJSEM Online.






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Copyright © 2007 by the International Union of Microbiological Societies.