Affiliation:
1. Infectious Diseases and Microbiology Service, Regional University and Virgen de la Victoria University Hospitals, IBIMA, 29010 Malaga, Spain
2. Microbiology Unit, Hospital Costa del Sol, 29603 Marbella, Spain
Abstract
The aim of this study was to compare the results obtained for identification by MALDI-TOF of nontuberculous mycobacteria (NTM) isolated in clinical samples with those obtained by GenoTypeMycobacteriumCM/AS (common mycobacteria/additional species). A total of 66Mycobacteriumisolates from various clinical specimens (mainly respiratory) were tested in this study. They were identified using MALDI-TOF Bruker from strains isolated in Lowenstein, following the recommended protocol of heat inactivation and extraction, and were simultaneously analyzed through hybridization by GenoTypeMycobacteriumfrom liquid culture MGIT. Our results showed that identification by MALDI-TOF was correct in 98.4% (65/66) of NTM isolated in our clinical practice (M. avium, M. intracellulare, M. abscessus, M. chelonae, M. fortuitum, M. mucogenicum, M. kansasii, and M. scrofulaceum). MALDI-TOF was found to be an accurate, rapid, and cost-effective system for identification of mycobacteria species.
Subject
General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine
Cited by
56 articles.
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