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Table 4 Resistance-related genes among 96 genome sequenced aEPEC isolates

From: Occurrence of multidrug-resistant and ESBL-producing atypical enteropathogenic Escherichia coli in China

Phenotype of resistance (no. of isolates) Resistance genes No. of isolates (%)
Ampicillin (50) bla TEM-1 24 (48.0)
bla CTX 8 (16.0)
bla OXA 3 (6.0)
blaTEM-1 + blaCTX 8 (16.0)
blaTEM-1 + blaLEN 1 (2.0)
blaCTX + blaLEN 2 (4.0)
blaCTX + blaOXA 1 (2.0)
Tetracycline (51) tetA 27 (52.9)
tetB 2 (3.9)
tetC 1 (2.0)
tetA + tetC 9 (17.6)
tetB + tetC 5 (10.0)
Chloramphenicol (8) cat 3 (37.5)
cml 5 (62.5)
Trimethoprim–sulfamethoxazole (40) sul1 + dfra12/17 15 (37.5)
sul2 + dfra14/17 6 (15.0)
sul3 + dfra12 3 (7.5)
sul1 + sul2 + dfra5/12/17 14 (35.0)
dfra1 2 (5.0)
dfra17 1 (2.5)
Gentamicin (33) aac3iia 23 (69.7)
aac3iia + ant2ia 3 (9.1)
aac3iia + aph3ia 2 (6.1)
aac3iia + ant2ia + aph3ia 1 (3.0)
Streptomycin (44) ant3ia 4 (9.1)
aph33ib 2 (4.5)
aph33ib + aph6id 24 (54.5)
aph33ib + aph6id + ant3ia 1 (2.3)
Kanamycin (12) ant2ia 1 (8.3)
aph3ia 3 (25.0)
ant2ia + aph3ia 2 (16.7)