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Table 6 Multiple antimicrobial resistance gene patterns of E. coli isolates

From: Molecular determination of antimicrobial resistance in Escherichia coli isolated from raw meat in Addis Ababa and Bishoftu, Ethiopia

Number of AMR gene (%) Resistance gene patterns Number of isolates (%)
No resistance 7 (11.1)
 One (n = 11; 17.5%) bla CMY 6 (9.5)
tet(A) 3 (4.7)
sul1 1 (1.6)
catA1 1 (1.6)
 Two (n = 20; 31.8%) aac(3)-IV * bla CMY 1 (1.6)
aac(3)-IV * tet(A) 1 (1.6)
cmlA * tet(A) 1 (1.6)
bla CMY * tet(A) 7 (11.1)
sul1* bla CMY 5 (7.9)
sul1* catA1 1 (1.6)
sul1* tet(A) 4 (6.3)
 Three (n = 15; 23.8%) sul1* bla CMY * tet(A) 10 (15.9)
sul1* cmlA * tet(A) 2 (3.2)
aac(3)-IV * sul1* tet(A) 1 (1.6)
bla CMY * cmlA * tet(A) 1 (1.6)
bla CMY * catA1* tet(A) 1 (1.6)
 Four (n = 6; 9.5%) sul1* bla CMY * catA1* tet(A) 2 (3.2)
aac(3)-IV * sul1* bla CMY * tet(A) 2 (3.2)
sul1* bla CMY * cmlA * tet(A) 1 (1.6)
sul1 * bla SHV * bla CMY * tet(A) 1 (1.6)
 Five (n = 4; 6.3%) aac(3)-IV * sul1* bla CMY * cmlA * tet(A) 2 (3.2)
aac(3)-IV * sul1* bla SHV *bla CMY* tet(A) 2 (3.2)
  1. aadA1 streptomycin, aac(3)-IV gentamicin, sul1 sulfonamide, bla SHV and bla CMY beta lactams, ere(A) erythromycin, catA1 and cmlA chloramphenicol, tet(A) tetracycline
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