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Table 5 Integrons gene cassette arrays and phenotypically resistant isolates

From: Antimicrobial resistance and integron gene cassette arrays in commensal Escherichia coli from human and animal sources in IRI

Integrons and cassette/arrays No. of the isolates carrying gene cassette array No. of isolates phenotypically resistant to antibiotics
SXT (25 μg) CAZ (30 μg) S (10 μg) GM (10 μg) AN (30 μg) K (30 μg) AMP (10 μg) PRL (100 μg) NA (30 μg) C (30 μg)
Class I integrons 49 25 5 33 7 0 3 23 4 9 5
 dfrA1 6 4 1 2 0 0 0 4 0 1 1
 dfrA5 4 2 0 1 0 0 0 3 0 1 0
 dfrA7 3 2 1 2 0 0 0 2 0 0 0
 dfrA12 7 3 0 4 0 0 0 4 1 2 0
 aadA1 18 7 2 15 3 0 0 3 2 3 1
 aadA4 3 2 0 2 2 0 0 3 0 1 0
 dfrA17-aadA1 2 2 0 2 1 0 2 1 0 0 2
 aadA1-aadB 3 1 1 2 1 0 1 2 1 0 1
 dfrA12orfFaadA2 3 2 0 3 0 0 0 1 0 1 0
Class II integrons 16 9 7 10 5 0 3 6 3 4 2
 dfrA1 4 3 1 1 0 0 0 2 1 1 0
 dfrA1-sat2-aadA1 4 2 2 3 2 0 1 1 0 0 1
 dfrA1-sat1-aadA1 4 1 1 2 1 0 2 3 2 2 1
 at-sat1-aadA1 4 3 3 4 2 0 0 0 0 1 0
Total 65 34 12 43 12 0 6 29 7 13 7
  1. SXT trimethoprim/sulfamethoxazole, CAZ ceftazidime, S streptomycin, GM gentamycin, AN amikacin, K kanamycin, AMP ampicillin, PRL piperacillin, NA nalidixic acid, C chloramphenicol