TABLE 2.
Identification of mycobacteria grown on solid medium by MALDI-TOF MS
| Species | No. of strains tested | No. of correct MALDI-TOF MS identifications |
Absence of identificatione | |
|---|---|---|---|---|
| Species | Complex | |||
| M. tuberculosis | 18b | 17 | 1 | |
| M. bovis BCG | 14b | 14 | ||
| M. africanum | 3b,c | 3 | ||
| M. avium | 25b,c | 24 | 1 | |
| M. intracellulare | 19a,b,c | 17 | 2 | |
| M. xenopi | 26a,b,c | 26 | ||
| M. kansasii | 14c | 14 | ||
| M. abscessus | 47b,c,d | 46 | 1 | |
| M. massiliense | 6b,d | 6 | ||
| M. bolletii | 3d | 3 | ||
| M. chelonae | 26c | 25 | 1 | |
| M. fortuitum | 26a,b,c | 25 | 1 | |
| M. peregrinum | 16a,b,c | 13 | 2 | 1 |
| M. mucogenicum | 20b,c | 19 | 1 | |
| M. gordonae | 27b,c | 26 | 1 | |
| M. diernhoferi | 1b | 1 | ||
| M. gastri | 2b | 2 | ||
| M. thermoresistibile | 1f | 1 | ||
| M. confluentis | 1a | 1 | ||
| M. neoaurum | 1f | 1 | ||
| M. chitae | 1f | 1 | ||
| M. smegmatis | 1f | 1 | ||
| M. vaccae | 1f | 1 | ||
| M. aurum | 1f | 1 | ||
| M. porcinum | 1b | 1 | ||
| M. scrofulaceum | 1f | 1 | ||
| M. brumae | 1a | 1 | ||
| M. septicum | 1a | 1 | ||
| M. marinum | 2f | 2 | ||
| M. parafortuitum | 1f | 1 | ||
| M. ulcerans | 4g | 4 | ||
a
Microbiology Department of Ambroise Paré Hospital, Boulogne-Billancourt, France.
b
Microbiology Department of Necker-Enfants Malades Hospital, Paris, France.
c
National Reference Center for Surveillance of Mycobacterial Diseases and Drug Resistance, Pitié-Salpétrière Hospital, Paris, France.
d
Microbiology department of Raymond Poincaré Hospital, Garches, France.
e
No. of strains for which no spectra, and thus no identification, were obtained.
f
Reference strains.
g
Groupe d'Etude des Interactions Hôte-Pathogène, Angers University, Angers, France.