Supershed Escherichia coli O157:H7 Has Potential for Increased Persistence on the Rectoanal Junction Squamous Epithelial Cells and Antibiotic Resistance

Table 3

AR and integrase gene profiles of 20 bovine E. coli isolates.

E. coli isolates	PCR profiles^a
870-1	acrB, ais, arnA, emrA, fsr, macA, marA, mdtH, mdtO, pmrD, rarD, tetC, yfbH, yjcP, yjcR
870-2, 870-3	acrB, ais, arnA, emrA, fsr, macA, marA, mdtH, mdtO, pmrD, rarD, sul2, tetA, yfbH, yjcP, yjcR
870-4, 888-3	acrB, ais, arnA, emrA, fsr, macA, marA, mdtH, mdtO, pmrD, rarD, tetA, tetC, yfbH, yjcP, yjcR
887-1, 887-2, 887-3, 887-4, 888-2, 914-3, 914-4	acrB, ais, arnA, emrA, fsr, int, macA, marA, mdtH, mdtO, pmrD, rarD, yfbH, yjcP, yjcR
888-1	acrB, ais, arnA, emrA, fsr, macA, mdtH, mdtO, pmrD, rarD, tetA, tetC, yfbH, yjcP, yjcR
888-4	acrB, ais, arnA, emrA, fsr, macA, marA, mdtH, mdtO, pmrD, rarD, yfbH, yjcP, yjcR
912-1	aadA1, acrB, ais, arnA, emrA, fsr, int, macA, marA, mdtH, mdtO, rarD, tetA, tetB, tetC, yfbH, yjcP, yjcR
912-2	aadA1, acrB, ais, arnA, emrA, fsr, int, macA, marA, mdtH, mdtO, rarD, tetB, yfbH, yjcP, yjcR
912-3	acrB, ais, arnA, emrA, fsr, macA, marA, mdtH, mdtO, pmrD, rarD, tetA, yfbH, yjcP, yjcR
912-4	aadA1, acrB, ais, arnA, emrA, fsr, int, macA, marA, mdtH, mdtO, rarD, tetB, yfbH, yjcP, yjcR
914-1	acrB, ais, arnA, emrA, fsr, int, macA, marA, mdtH, mdtO, pmrD, rarD, tetB, yfbH, yjcP, yjcR
914-2	acrB, ais, arnA, emrA, fsr, int, macA, marA, mdtH, mdtO, pmrD, rarD, tetA, yfbH, yjcP, yjcR

^aGenes: aac(3)-IV = Aminoglycoside resistance; aadA1 = Streptomycin resistance; acrB = Acriflavine, aminoglycoside, and multidrug resistance efflux pump; ais = Polymyxin resistance protein, histidine phosphatase family protein; arnA = Polymyxin resistance protein; bla_CTX-M = Cephalosporin resistance; bla_TEM = Ampicillin resistance; catA1 = Chloramphenicol resistance; dfrA1 = Trimethoprim resistance; dhfrI = Trimethoprim resistance; emrA = Multidrug resistance protein A; fsr = Fosfomycin resistance; int = Integrase; macA = Macrolide-specific efflux protein; marA = Multiple antibiotic resistance protein; mcr1 = Colistin resistance; mcr2 = Colistin resistance; mdtH = Multidrug resistance protein; mdtO = Multidrug resistance protein; mph(A) = Macrolides resistance; pmrD = Polymyxin B resistance; qnrA = Quinolones resistance; rarD = Chloramphenicol resistance; sul1 = Sulfonamide resistance; tetA, tetB, tetC = Tetracycline resistance; yfbH = Polymyxin resistance; yjcP = Outer membrane component of tripartite multidrug resistance system; yjcR = Inner membrane component of tripartite multidrug resistance system.