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Table 1 Characterisation of complex class 1 integron in multidrug-resistant Gram-negative bacteria and resistance profiles of sequenced strains

From: New structures simultaneously harboring class 1 integron and ISCR1-linked resistance genes in multidrug-resistant Gram-negative bacteria

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