TABLE 1

Identification of Candida auris and its closely related yeasts using the novel CMdb database on a Bruker Biotyper MALDI-TOF mass spectrometera

Organism (no. of isolates)CMdb aloneRUO libraryEPdbs
No. of IDs (%)Avg scoreNo. of IDs (%)Avg scoreNo. of IDs (%)Avg score
Candida auris (33b)33 (100)2.5013 (39%)1.7633 (100)2.51
Candida haemulonii (4)4 (100)2.434 (100)1.994 (100)2.38
Candida duobushaemulonii (5)5 (100)2.524 (80)2.125 (100)2.52
Candida krusei (11)11 (100)2.427 (64)1.8511 (100)2.40
Kodameae ohmeri (1)1 (100)2.401 (100)1.751 (100)2.40
Saccharomyces cerevisiae (5)0 (0)1.324 (80)2.035 (100)2.00
Candida parapsilosis (5)0 (0)1.055 (100)2.235 (100)2.15
Candida lusitaniae (3)0 (0)1.263 (100)1.873 (100)2.04
Candida guilliermondii (6)0 (0)1.156 (100)2.356 (100)2.33
Candida famata (2)0 (0)1.272 (100)1.962 (100)1.98
Candida catenulata (3)0 (0)1.343 (100)2.023 (100)2.04
Candida kefyr (2)0 (0)1.271 (50)1.932 (100)2.09
  • a EPdbs, a combination of the RUO library and the CMdb. IDs, identifications.

  • b Includes 23 clinical isolates (11 submitted from New York, 4 from New Jersey, 6 from Connecticut, and 2 from Florida). The sources were as follows: blood (n = 9), tissue (n = 3), body fluids (n = 2), urine (n = 1), and unknown (n = 8).