Table 2 (b). Gene cassette arrays of class 1 integrons in Enterobactericeae.
| Strain | Gene cassette array | Detection rate* |
|---|---|---|
| Escherichia coli | aacA4-catB8-aadA1 | 60.7% (17/28) |
| dfrA17-aadA5 | 41.9% (284/678) | |
| orfD-aacA4-catB8 | 25.0% (7/28) | |
| dfrA12-orfF-aadA2 | 16.9% (89/526) | |
| aac(6’)-1b-cmlA1 | 11.1% (11/99) | |
| aadA1-dfrA12 | 11.0% (12/109) | |
| dfrA1-aadA1 | 9.1% (9/99) | |
| dfrA12-aadA2 | 9.0% (16/178) | |
| dfr2d | 8.1% (14/172) | |
| aadA23b | 7.3% (8/109) | |
| dfrA17 | 5.1% (5/99) | |
| aadA1 | 4.4% (13/298) | |
| aac(6’)-1b-catB8-aadA1 | 4.0% (4/99) | |
| dfrA7 | 3.8% (1/26) | |
| arr3-aacA4 | 3.8% (3/79) | |
| aacA4-cmlA1 | 3.8% (14/373) | |
| dfrA1 | 3.4% (6/178) | |
| aadA2 | 2.0% (2/99) | |
| dfrA5 | 2.0% (2/99) | |
| aac(6’)-1b-cr-arr3-dfrA27-aadA16 | 2.0% (2/99) | |
| dfrA12 | 2.0% (2/99) | |
| dfrA1-orfC | 1.2% (2/165) | |
| dfrv | 1.2% (2/26) | |
| aadB-aadA2 | 1.1% (3/264) | |
| aadB-orf1-cmlA1 | 1.0% (1/99) | |
| aacA4-catB3-dfrA1 | 1.0% (1/99) | |
| aac(6’)-1b-catB3-dfrA1 | 1.0% (1/99) | |
| aadB-cmlA1 | 1.0% (1/99) | |
| aacC4-cm1A1 | 1.0% (1/73) | |
| aacC-cmlA1 | 0.6% (1/165) | |
| aadA22 | 0.6% (1/165) | |
| aadB-aadA-cmlA6 | 0.6% (1/165) | |
| arr3-dfrA27 | 0.6% (1/165) | |
| dfrA5 | 0.6% (1/165) | |
| dfrA27 | 0.6% (1/165) | |
| Klebsiella pneumoniae | orfD-aacA4 | 71.4% (10/14) |
| dfrA12-orfF-aadA2 | 32.7% (55/168) | |
| aadA5-dfrA17 | 28.6% (4/14) | |
| dfrA17-aadA5 | 22.0% (37/168) | |
| dfrA1-orfC | 19.5% (30/154) | |
| dfrA27-aac(6’)-Ib-cr | 14.1% (10/71) | |
| arr2-ereC-aadA1-cmlA7 | 7.1% (1/14) | |
| aadB-catB8-blaOXA-10-aadA1 | 7.1% (1/14) | |
| aacC1/aacA1-orfP-orfQ-aadA1 | 7.1% (1/14) | |
| aadA2 | 5.6% (4/71) | |
| dfrA1-aadA1 | 5.6% (4/71) | |
| aacA4-catB8-aadA1 | 4.8% (4/83) | |
| aac(6’)-Ib-cr-aar-3 | 4.2% (3/71) | |
| dfrA25 | 3.5% (3/85) | |
| accC4-cmlA | 2.4% (2/83) | |
| aadA1 | 1.4% (1/71) | |
| ORF for hypothetical protein-mfs-1 | 1.4% (1/71) | |
| aacA4-blaOXA-4-aadA2 | 1.2% (1/83) | |
| dfrA12-orfF | 1.2% (1/83) | |
| dfrA5 | 1.2% (1/83) | |
| Klebsiella oxytoca | dfrA17-aadA5 | 42.9% (3/7) |
| aac(6')-Ib-cr-aar3-dfrA27-aadA16 | 28.5% (2/7) | |
| ddfrA1-aadA5 | 28.5% (2/7) | |
| Marcescens | dfrA12-hypothesis protein-aadA2 | 100.0% (10/10) |
| Salmonella | dhfrXII-orfF-aadA2 | 86.5% (32/37) |
| dfrA12-orfF-aadA2 | 50.5% (51/101) | |
| aadA5-dfrA11 | 4.7% (5/106) | |
| dfrA1 | 17.8% (18/101) | |
| aadA2 | 15.1% (16/106) | |
| blaOXA-30-aadA1 | 13.5% (5/37) | |
| blaP1 | 5.0% (5/101) | |
| dfrA1-aadA1 | 5.0% (5/101) | |
| aadA22 | 4.0% (4/101) | |
| aadA1 | 1.0% (1/101) | |
| dfrA12-unknown-aadA1 | 1.0% (1/101) | |
| Shigella | dfrA17- aadA5 | 17.5% (73/417) |
| aar-3-aacA4 | 0.8% (2/249) | |
| dfrA12-orfF-aadA2 | 0.5% (2/417) | |
| Enterobacter | dfrA17-aadA5 | 61.5% (8/13) |
| dfrA12-hypothesis protein-aadA2 | 23.1% (3/13) | |
| dfrA12–orfF–aadA2–orfII–orfIII | 20.0% (3/15) | |
| ant(3’ )-Ih–aac(6’)-Iid–catB8 | 16.7% (1/6) | |
| aacA4–catB8–aadA1 | 9.5% (2/21) | |
| dfrA12–orfF–aadA2 | 9.5% (2/21) | |
| dfrA15 | 13.3% (2/15) | |
| aac(6')-Ib-cr-aar3-dfrA27-aadA16 | 7.7% (1/13) | |
| drfA7 | 7.7% (1/13) | |
| dfrA15-aadA2 | 6.7% (1/15) | |
| Citrobacter | aadA2 | 66.7% (2/3) |
| dfrA12-hypothesis protein-aadA2 | 33.3% (1/3) | |
| Proteus | aadB-aadA2 | 28.0% (37/132) |
| dfrA17-aadA5 | 15.8% (22/139) | |
| dfrA12-hypothesis protein-aadA2 | 14.3% (1/7) | |
| dfrA1–orfF | 14.3% (1/7) | |
| aadB-catB8-blaOXA-10-aadA1 | 14.3% (1/7) | |
| dfrA12-orfF-aadA2 | 7.9% (11/139) | |
| aadA2 | 2.2% (3/139) | |
| dfrA1-orfC | 1.5% (2/132) | |
| aacA4-cmlA1 | 0.8% (1/132) | |
| aadB | 0.8% (1/132) | |
| dfrA1-sat2 | 0.8% (1/132) |
*
: The denominator is the number of the detected integrons in the study.