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Table 4 Genotypic pattern of antibiotic resistance amongst the MRSA strain isolated from different types of hospital cockroaches

From: Phenotypic and genotypic characterization of antibiotic resistance in the methicillin-resistant Staphylococcus aureus strains isolated from hospital cockroaches

Origins (N of MRSA strains) N (%) isolates resistant to each antibiotic
Aminoglycosides Tetracyclines Macrolides Lincosamides Streptogramins Penicillins Folate inhibitors Fluoroquinolones Ansamycins Phenicols
aacA-D tetK tetM msrA ermA linA vatA vatB blaZ dfrA gyrA grlA rpoB cat1
P. americana External washing (28) 26 (92.85) 20 (71.42) 7 (25) 18 (64.28) 15 (53.57) 11 (39.28) 7 (25) 2 (7.14) 28 (100) 18 (64.28) 10 (35.71) 8 (28.57) 7 (25) 5 (17.85)
Gut contents (10) 8 (80) 6 (60) 3 (30) 7 (70) 6 (60) 3 (30) 4 (40) 1 (10) 10 (100) 6 (60) 4 (40) 2 (20) 2 (20) 2 (20)
B. germanica External washing (8) 6 (75) 6 (75) 3 (37.50) 5 (62.50) 3 (37.50) 2 (25) 4 (50) 2 (25) 8 (100) 5 (62.50) 4 (50) 2 (25) 3 (37.50) 2 (25)
Gut contents (5) 3 (60) 3 (60) 1 (20) 3 (60) 1 (20) 1 (20) 3 (60) 1 (20) 5 (100) 3 (60) 3 (60) 1 (20) 1 (20) 1 (20)
Total External washing (36) 32 (88.88) 26 (72.22) 10 (27.77) 23 (63.88) 18 (50) 13 (36.11) 11 (30.55) 4 (11.11) 36 (100) 23 (63.88) 14 (38.88) 10 (27.77) 10 (27.77) 7 (19.44)
Gut contents (15) 11 (73.33) 9 (60) 4 (26.66) 10 (66.66) 7 (46.66) 4 (26.66) 7 (46.66) 2 (13.33) 15 (100) 9 (60) 7 (46.66) 3 (20) 3 (20) 3 (20)