Table 1 Characterisation of complex class 1 integron in multidrug-resistant Gram-negative bacteria and resistance profiles of sequenced strains
Species | No. of isolates | Class 1 integron | ISCR | Type of complex class 1 integron |
|---|---|---|---|---|
Escherichia coli | 2 | aadB-aadA2 | qnrA1- ampR | B |
1 | dfrA14-arr-2-bla OXA-10-aadA1 | bla DHA-1-ampR | C | |
1 | dfrA25 | sapA-like-qnrB2 | D | |
1 | aacA4-arr-3-dfrA27- aadA16 | short chain dehydrogenase/reductase- qnrB6 | G | |
Enterobacter cloacae | 2 | aadB-aadA2 | bla CTX-M-9-insB | A |
5 | aadB-aadA2 | qnrA1- ampR | B | |
1 | aacA4-arr-3-dfrA27- aadA16 | short chain dehydrogenase/reductase- qnrB6 | G | |
1 | aacA4-bla OXA-101-catB3-arr-3 | qnrA1- ampR | K | |
Enterobacter aerogenes | 2 | aacA4-arr-3-dfrA27- aadA16 | short chain dehydrogenase/reductase- qnrB6 | G |
Klebsiella pneumoniae | 1 | aadB-aadA2 | qnrA1- ampR | B |
2 | dfrA25 | sapA-like-qnrB2 | D | |
5 | dfrA12-orfF-aadA2 | sapA-like-qnrB2 | E | |
9 | aacA4-arr-3-dfrA27- aadA16 | sapA-like-qnrB2 | F | |
15 | aacA4-arr-3-dfrA27- aadA16 | short chain dehydrogenase/reductase- qnrB6 | G | |
Klebsiella oxytoca | 1 | aacA4-arr-3-dfrA27- aadA16 | short chain dehydrogenase/reductase- qnrB6 | G |
Proteus mirabilis | 1 | bla PSE-1 | dfrA10 | L |
Acinetobacter spp. | 5 | aadB-aadA2 | qnrA1- ampR | B |
3 | catB3-qnrVC-like-aacA4 | bla PER-1-GST-novel type ABC transporter | H | |
1 | catB-like-aadB-aadA24-like | bla PER-1-GST-novel type ABC transporter | J | |
Pseudomonas. aeruginosa | 2 | aadB-aadA2 | qnrA1- ampR | B |
1 | aacA4-like-bla OXA-101-aadA5 | bla PER-1-GST-novel type ABC transporter | I | |
Stenotrophomonas. maltophilia | 1 | aadB-aadA2 | qnrA1- ampR | B |