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Table 4 Pattern of antimicrobial resistance, MBLs genes, carbapenemase genes, and phenotypic characterization of commensal E. coli isolates resistant to imipenem

From: Antimicrobial resistance and metallo-beta-lactamase producing among commensal Escherichia coli isolates from healthy children of Khuzestan and Fars provinces; Iran

No of isolate Age (month) CHL NA AMP TET KAN CTX CAZ STR STX CIP GEN IMP MEN MDR blaNDM blaSIM blaSPM-1 blaGIM blaIMP-1 blaIMP-2 blaVIM-1 blaVIM-2 blaKPC oxa-23 oxa-48 DDST CDT PBA MHT mCIM eCIM MBL Transconjugation MIC Size of plasmids (kb)
260 12 R R R S R R R R R R S R R + + + + + + + 6 3P > 23
271 36 R S R S S R R S S S S R R + + + + + + + 6 2P > 23
335 35 S R R R R R R R R R S R R + + + + + + + 5 12, 3P > 23
175 22 S R S R R R S R S I I R R + + 6 16, 12, 1P > 23
176 36 S R R S S R R R S S S R R + + + + + 6 16, 12
317 31 S R R R I R R R R R S R R + + + + 6 5, 14
  1. CHL Chloramphenicol, NA Nalidixic-acid, AMP Ampicillin, TET Tetracycline, KAN Kanamycin, CTX cefotaxime, CAZ ceftazidime, STR Streptomycin, STX sulfamethoxazole-trimethoprim, CIP ciprofloxacin, GEN Gentamycin, IMP Imipenem, MEN Meropenem, MDR Multi-drug resistance, ESBL Extended-spectrum beta-lactamases, DDST Double disc synergy test, CDT Combined disc test, PBA Phenylboronic acid, MHT Modified Hodge test, mCIM Modified carbapenem inactivation method, eCIM EDTA-CIM, MBL metalo-beta-lactamase, MIC Minimum inhibitory concentration, P plasmid