Skip to main content

Table 3 Correlation between phenotypic resistance and detection of resistance-associated genes of food and clinical isolates

From: Emerging of antimicrobial resistance in staphylococci isolated from clinical and food samples in Algeria

Antibiotic Gene(s) Food isolates (n = 51) Clinical isolates (S. aureus n = 39)
S. aureus (n = 33) CoNS (n = 18) Hospital-acquired isolates (n = 18) Community-acquired isolates (n = 21)
Phenotypic resistance Gene detection Phenotypic resistance Gene detection Phenotypic resistance Gene detection Phenotypic resistance Gene detection
Penicillin blaZ 33 15 (45.5%) 15 7 (46.7%) 17 6 (35.3%) 19 13 (68.4%)
Methicillin mecA 2 1 (50.0%) 3 1 (33.3%) 7 7 (100%) 14 13 (92.8%)
Gentamicin aacA-aphD 0 0 0 0 0 0 3 1 (33.3%)
Erythromycin ermC 3 0 1 1 (100%) 5 1 (20.0%) 11 4 (36.4%)
Tetracycline tetM 15 8 (53.3%) 10 9 (90.0%) 8 4 (50.0%) 10 9 (90.0%)
tetK 7 (46.7%) 2 (20.0%) 4 (50.0%) 8 (80.0%)
tetM + tetK 5 (33.3%) 2 (20.0%) 2 (25.0%) 7 (70.0%)