Table 2.
Resistance genes | Swine associated | Clinical MRSA ST5 |
---|---|---|
LA-MRSA ST5 | ||
Fluoroquinolone resistance | ||
gyrA mutation | 0/82 (0%) | 10/71 (14.1%) |
parC mutation | 1/82 (1.2%) | 11/71 (15.5%) |
parE mutation | 0/82 (0%) | 3/71 (4.2%) |
gyrA + parC mutation | 16/82 (19.5%) | 33/71 (46.5%) |
gyrA + parC + parE mutation | 0/82 (0%) | 4/71 (5.6%) |
Unknown | 8/82 (9.8%) | 8/71 (11.3%) |
Tetracycline resistance | ||
tet(L) | 62/82 (75.6%) | 0/71 (0%) |
tet(T) | 61/82 (74.4%) | 0/71 (0%) |
Unknown | 3/82 (3.7%) | 0/71 (0%) |
Macrolide, lincosamide, streptogramin resistance | ||
erm(A) | 0/82 (0%) | 65/71 (91.5%) |
erm(C) | 36/82 (43.9%) | 0/71 (0%) |
vga(A) | 78/82 (95.1%) | 0/71 (0%) |
vga(E) | 2/82 (2.4%) | 0/71 (0%) |
mph(C) | 0/82 (0%) | 20/71 (28.2%) |
msr(A) | 0/82 (0%) | 20/71 (28.2%) |
lnu(B) | 1/82 (1.2%) | 0/71 (0%) |
lnu(A) | 0/82 (0%) | 2/71 (2.8%) |
Unknown | 2/82 (2.4%) | 4/71 (5.6%) |
Aminoglycoside Resistance | ||
aadD | 71/82 (86.6%) | 62/71 (87.3%) |
aadE | 1/82 (1.2%) | 0/71 (0%) |
aph(2″)-Ih | 2/82 (2.4%) | 3/71 (4.2%) |
aac(6′)-aph(2″) | 14/82 (17.1%) | 9/71 (12.7%) |
spc | 0/82 (0%) | 61/71 (85.9%) |
str | 1/82 | 0/71 (0%) |
aph(3′)-III | 0/82 (0%) | 15/71 (21.1%) |
ant(6)-Ia | 0/82 (0%) | 15/71 (21.1%) |
Unknown | 3/82 (3.7%) | 0/71 (0%) |