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Journal of Clinical Microbiology, June 2005, p. 2624-2628, Vol. 43, No. 6
0095-1137/05/$08.00+0     doi:10.1128/JCM.43.6.2624-2628.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

Distribution of Nocardia Species in Clinical Samples and Their Routine Rapid Identification in the Laboratory

Georges Wauters,1* Véronique Avesani,1 Jacqueline Charlier,1 Michèle Janssens,1 Mario Vaneechoutte,2 and Michel Delmée1

Microbiology Unit, Faculty of Medicine, University of Louvain, B-1200 Brussels, Belgium,1 Department of Microbiology, Ghent University Hospital, Ghent, Belgium2

Received 16 December 2004/ Returned for modification 3 February 2005/ Accepted 4 March 2005

Eighty-six Nocardia strains isolated from clinical samples in Belgium were identified by 16S rRNA gene sequencing. Eighty-three (96%) strains belonged to only six Nocardia species: N. farcinica (38 [44%]), N. nova (19 [22%]), N. cyriacigeorgica (13 [15%]), N. brasiliensis (6 [6.9%]), N. abscessus (5 [5.8%]), and N. paucivorans (2 [2.3%]). A gallery of nine conventional and enzymatic tests was developed for the rapid identification of the most common species isolated during this survey. Pyrrolidonyl aminopeptidase, {gamma}-glutamyl aminopeptidase, {alpha}-mannosidase, and {alpha}-glucosidase were found to be highly discriminating and could be used to develop an identification scheme.

* Corresponding author. Mailing address: Microbiology Unit, University of Louvain, UCL/5490, Av. Hippocrate 54, B-1200 Brussels, Belgium. Phone: 32 2 7645490. Fax: 32 2 7649440. E-mail: wauters{at}mblg.ucl.ac.be.

Journal of Clinical Microbiology, June 2005, p. 2624-2628, Vol. 43, No. 6
0095-1137/05/$08.00+0     doi:10.1128/JCM.43.6.2624-2628.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



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