TABLE 2

Identification by MALDI-TOF MS

Isolate no.Species testedBruker BiotyperVitek-MS
FDA librarya direct on-plate extraction (score)RUOb libraryDirect extraction (% identity)
Direct on-plate extraction (score)Full-tube extraction (score)IVDc libraryRUO libraryd
1C. aurisNo IDeC. auris (1.75)C. auris (2.19)No IDC. auris (99)
2C. aurisNo IDNo IDC. auris (2.02)No IDC. auris (98)
3C. aurisNo IDC. auris (1.80)C. auris (2.04)No IDC. auris (99)
4C. aurisNo IDC. auris (1.73)C. auris (2.10)No IDC. auris (99)
5C. aurisNo IDNo IDC. auris (1.95)No IDC. auris (99)
6C. aurisNo IDNo IDC. auris (1.97)No IDC. auris (87)
7C. aurisNo IDNo IDC. auris (2.05)No IDC. auris (99)
8C. aurisNo IDC. auris (1.73)C. auris (1.99)No IDC. auris (99)
9C. aurisNo IDNo IDC. auris (2.00)No IDC. auris (92)
10C. aurisNo IDC. auris (1.75)C. auris (1.92)No IDC. auris (99)
11C. duobushaemuloniiC. duobushaemulonii (2.29)C. duobushaemulonii (2.29)Not testedNo IDNo ID
12C. duobushaemuloniiC. duobushaemulonii (2.19)C. duobushaemulonii (2.19)Not testedNo IDNo ID
13C. haemuloniiC. haemulonii (2.29)C. haemulonii (2.29)Not testedC. haemulonii (99)C. haemulonii (99)
14C. duobushaemuloniiC. duobushaemulonii (2.27)C. duobushaemulonii (2.27)Not testedNo IDC. duobushaemulonii (94)
15C. haemuloniiC. haemulonii (2.21)C. haemulonii (2.21)Not testedC. haemulonii (99)C. haemulonii (99)
  • a The Bruker FDA library contains C. haemulonii (12 entries) and C. duobushaemulonii (7 entries).

  • b The Bruker RUO library has C. auris (three entries).

  • c IVD, in vitro diagnostic. The Vitek MS IVD library is an FDA-approved library, and it contains C. haemulonii.

  • d The Vitek MS RUO library has C. auris and C. duobushaemulonii.

  • e ID, identification.