Skip to main content
. 2005 Apr;49(4):1572–1575. doi: 10.1128/AAC.49.4.1572-1575.2005

TABLE 3.

Transfer of resistance for cefotaxime and other antimicrobial agents of clinical isolates carrying blaCTX-M

Transconjugant Donor strain Transferred bla gene(s) MICa (μg/ml)
Antimicrobial resistance patternb
CTX CAZ ATM FEP FOX
P1-1J 03K892 blaCTX-M-3, blaOXA-30 32 <1 2 <1 2 AMP AMK GEN KAN SXT
11-1J 03K681 blaCTX-M-3, blaOXA-30 128 4 16 16 8 AMP AMK GEN KAN SXT
15-1J EC25 blaCTX-M-3 64 <1 16 8 2 AMP AMK GEN KAN SXT TMP
35-1J KP7 blaCTX-M-3 32 <1 2 <1 4 AMP AMK GEN KAN SXT TMP
36-1J KP9 blaCTX-M-3 32 <1 2 <1 4 AMP AMK GEN KAN SXT TMP
34-2J KP2 blaCTX-M-3, blaOXA-30 32 <1 2 <1 2 AMP AMK GEN KAN SXT
34-1J KP 2 blaCTX-M-3, blaSHV-12, blaDHA-1 32 16 32 <1 32 AMP AMK GEN KAN CHL STR SXT
24-1J 03K839 blaCTX-M-3, blaOXA-30, blaTEM-1 128 16 32 8 4 AMP GEN KAN SXT TMP
38-1J 03K188 blaCTX-M-3, blaOXA-30 32 <1 2 <1 4 AMP AMK GEN KAN SXT
39-1J 03K196 blaCTX-M-3, blaOXA-30 64 <1 8 4 4 AMP AMK GEN KAN SXT
40-1J 03K201 blaCTX-M-3, blaOXA-30 32 <1 2 <1 4 AMP AMK GEN KAN SXT
41-1J 03K205 blaCTX-M-3, blaOXA-30 32 2 16 8 8 AMP AMK GEN KAN SXT
37-1J 03K168 blaCTX-M-3, blaOXA-30 32 <1 2 <1 4 AMP AMK GEN KAN SXT
43-1J 03K921 blaCTX-M-3 32 2 8 32 2 AMP KAN STR
44-1J 03K980 blaCTX-M-3 4 2 8 32 4 AMP AMK KAN STR
45-1J SM 16 blaCTX-M-3 4 2 16 32 8 AMP AMK GEN KAN STR SXT TMP
46-1J SM 3 blaCTX-M-3 8 2 16 16 8 AMP AMK GEN KAN STR SXT TMP
13-1J 03K865 blaCTX-M-15 128 <1 8 2 4 AMP
14-1J 03K969 blaCTX-M-15, blaOXA-30, blaTEM-1 512 8 16 8 4 AMP SXT TMP
20-1J J144 blaCTX-M-15 256 8 16 8 4 AMP SXT
22-1J J159 blaCTX-M-15 128 <1 4 8 32 AMP
19-1J J133 blaCTX-M-15, blaTEM-54 256 4 16 4 4 AMP
06-1J J187 blaCTX-M-9 8 <1 2 2 32 AMP CHL TET SXT TMP
05-1J 03K42 blaCTX-M-9, blaSHV-12 4 4 8 <1 2 AMP CHL SXT TMP
09-2J 03K380 blaCTX-M-9, blaSHV-12 8 64 64 <1 2 AMP CHL SXT TMP
18-1J 18-1J blaCTX-M-14, blaOXA-30, blaTEM-1 512 2 8 16 4 AMP TET STR SXT
16-1J EC27 blaCTX-M-14 128 2 16 16 8 AMP
23-1J J167 blaCTX-M-14 64 <1 8 8 8 AMP STR SXT
25-1J 03K930 blaCTX-M-14 64 <1 2 4 4 AMP STR SXT
E. coli J53 AzideR recipient <1 <1 <1 <1 4
a

MIC as determined by the agar dilution method. Abbreviations: CTX, cefotaxime; CAZ, ceftazidime; ATM, aztreonam; FEP, cefepime; FOX, cefoxitin.

b

Abbreviations: AMP, ampicillin; CHL, chloramphenicol; TET, tetracycline; STR, streptomycin; SXT, sulfisoxazole; TMP, trimethoprim; KAN, kanamycin; GEN, gentamicin; AMK, amikacin.