Table 4 Characterization of E. coli isolates harboring class 1 integrons and description of their associated gene cassettes
Isolates No. | 3’CS | Cassette amplicons (bp) | Other resistance gene pattern | Integron gene cassette arrays | PFGE pattern | Resistance pattern |
|---|---|---|---|---|---|---|
EC151 | qacE∆1-sul1 | 1500 | tetA, sul1, sul2, cat1 | aadA1-dfrA1 | B | TE-S-C-SXT |
EC139 | qacE∆1-sul1 | 1500 | tetB, tetG, sul1, sul2, cat1, floR | aadA1-dfrA1 | A | TE-S-C-AMP-SXT-CIP-NA |
EC143 | – | 1500 | tetA, sul3, cmlA, cat1 | aadA1-dfrA12 | U | TE-S-AMP-SXT-CIP-NA |
EC147 | qacE∆1-sul1 | 1000 | tetA, sul1 | aadA2 | H | TE-S-NA |
EC152 | qacE∆1-sul1 | 1000 | tetA, sul1 | aadA1 | H | TE-S-AMP-SXT-NA |
EC153 | qacE∆1-sul1 | 2500 | tetA, sul1 | aadA1-aadA2-dfrA12 | H | TE-S-NA |
EC155 | qacE∆1-sul1 | – | tetB, sul1, sul2, cat1 | – | S | TE-S-C-SXT-CIP-NA |
EC156 | qacE∆1-sul1 | 1000 | tetA, sul1, floR | aadA1 | H | TE-S-AMP-NA |
EC157 | qacE∆1-sul1 | 1500 | tetB, sul1, sul2, cat1 | aadA5-dfrA17 | G | TE-S-AMP-SXT-CIP-NA |
EC159 | qacE∆1-sul1 | 1500 | tetB, sul1, sul2, cat1 | dfrA12 | R | TE-S-C-AMP-SXT-CIP-NA |
EC160 | qacE∆1-sul1 | 1500 | tetB, sul1, sul2, cat1 | dfrA12 | R | TE-S-C-AMP-SXT-CIP-NA |
EC161 | – | – | tetB, sul3, cmlA | – | Q | TE-S-C |
EC162 | qacE∆1-sul1 | 1000 | tetA, sul1, floR | aadA1 | N | TE-S-NA |
EC163 | qacE∆1-sul1 | 1000 | tetA, sul1, floR | aadA1-dfrA1 | L | TE-S-NA |
EC164 | qacE∆1-sul1 | 1000 | tetA, sul1, floR | aadA1 | M | TE-S-SXT-NA |
EC165 | qacE∆1-sul1 | 1000 | tetB, sul1, sul2, cat1, floR | aadA1 | T | TE-S-C-AMP-SXT-CIP-NA |
EC166 | qacE∆1-sul1 | – | tetB, sul1, sul2, cat1 | – | G | TE-S-C-AMPCIP-NA |
EC167 | qacE∆1-sul1 | 2500 | tetA, sul1, floR | aadA1-aadA2-dfrA12 | K | TE-S-NA |
EC172 | qacE∆1-sul1 | 1000 | tetA, sul1, floR | aadA1 | J | TE-S-NA |
EC173 | qacE∆1-sul1 | 1000 | tetA, sul1, floR | aadA1 | J | TE-S-NA |
EC174 | qacE∆1-sul1 | 1000 | tetA, sul1, floR | aadA1-dfrA12 | I | TE-S-NA |
EC175 | qacE∆1-sul1 | 1000 | tetA, sul1, floR | aadA1-dfrA12 | I | TE-S-NA |
EC176 | qacE∆1 | 1000 | tetB, sul2, sul3, cmlA, floR | aadA1 | W | TE-S-C |
EC177 | qacE∆1-sul1 | 1000 | tetA, sul1, floR | aadA1 | Y | TE-S-AMP |
EC178 | qacE∆1-sul1 | 2500 | tetA, sul1, floR | aadA1-aadA5-dfrA5 | Y | TE-S-AMP-NA |
EC179 | qacE∆1 | 2500 | tetB, sul2, sul3, cml1, floR | aad1-aadA2-dfrA12 | O | TE-S-C |
EC180 | qacE∆1 | 1000 | tetB, sul2, sul3, cml1, floR | aadA2 | P | TE-S-C |
EC181 | qacE∆1-sul1 | 1500 | tetB, sul1, sul2, cat1 | aadA1-dfrA1 | D | TE-S-C-AMP-SXT-CIP-AMC-NA |
EC185 | qacE∆1-sul1 | 1500 | tetA, sul1, sul2 | aadA1-dfrA1 | Z | TE-S-AMP-SXT-AMC-NA |
EC191 | qacE∆1 | 1000 | tetA, sul3, cml1, cat1, floR | aadA1-dfrA12 | A2 | TE-S-C-SXT |
EC194 | qacE∆1-sul1 | 1500 | tetA, sul1, cat1 | aadA1-dfrA1 | F | TE-S-AMP-SXT |
EC198 | qacE∆1-sul1 | 1500 | tetA, sul1, cat1 | aadA1-dfrA1 | F | TE-S-AMP-SXT |
EC209 | qacE∆1 | 1000 | tetA, sul3, cml1, cat1, floR | aadA1-dfrA12 | X | TE-S-C-SXT |
EC230 | qacE∆1 | – | tetA, sul2, cat1 | – | E | TE-S-C-AMP-SXT-NA |
EC231 | qacE∆1 | – | tetA, sul2, cat1 | – | E | TE-S-AMP |
EC254 | qacE∆1-sul1 | 1000 | tetA, sul1, cat1 | aadA1-dfrA12 | V | TE-S-AMP |
EC258 | sul1 | – | tetA, sul1 | – | A1 | TE-AMP-SXT |
EC262 | qacE∆1 | 1000 | tetA, sul2, cat1, floR | aadA1 | C | TE-S-C-AMP |