Table 1.
Species Identification of Campylobacter Isolates (n = 45) Using the Matrix-Assisted, Laser Desorption Ionization Biotyper and Multiplex PCR
| Identification | |||
|---|---|---|---|
| Source and isolate number | MALDI-TOF Biotyper | Score | Multiplex PCR |
| Reference strains | |||
| Campylobacter coli ATCC 33559 | C. coli | 2.41 | C. coli |
| Campylobacter jejuni ATCC 33560 | C. jejuni | 2.29 | C. jejuni |
| Turkey strains | |||
| MK1, MK2, MK4, MK5, MK6, MK9, MK10, MK11 MS1, MS2, MS3, MS4, MS8, MS10 | C. jejuni (n = 30) | 2.12–2.42 | All listed strains confirmed as C. jejuni |
| Z1, Z2, Z5, Z7 | |||
| O1, O2, O3, O4, O5, O6 | |||
| Ko4, Ko5, Ko6, Ko7, Ko8, Ko9 | |||
| Z3 | C. coli (n = 1) | 2.03 | Confirmed as C. coli |
| Broiler strains | |||
| 1.3, 1.4, 1.5, 1.6, 1.8, 1.9, 1.10 | C. jejuni (n = 11) | 2.10–2.43 | All listed strains confirmed as C. jejuni |
| 3.3, 3.4, 3.5, 3.6 | |||
| 3.2, 3.7, 3.8 | C. coli (n = 3) | 2.20–2.30 | All listed strains confirmed as C. coli |
MALDI-TOF, matrix-assisted laser desorption-ionization time-of-flight mass spectrometry.