Table 5.
Phenotypic and genotypic characterization of the 18 O25b:H4-B2-ST131 isolates recovered from the 464 fecal samples of pigs with diarrhea.
| CHa | Virulence profileb | Virotypec | No. of isolates/resistance profiled | |
|---|---|---|---|---|
| CH40-22 | fimH22 papEF pap G III iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D-nt |
1∗ 1∗ |
AMP AMP/SAM CHL GEN NAL TI TOB TMP/SMXAMP AMP/SAM CHL COL GEN NAL TI TOB TMP/SMX |
| fimH22 papEF pap G III cnf1 hlyA iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA usp | D5 | 1 | AMP AMP/SAM NAL TI | |
| fimH22 papEF papG III cnf1 hlyA iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D5 | 1∗ | AMP AMP/SAM COL NAL TI TMP/SMX | |
| fimH22 papEF pap G III cdtB iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D2 | 1 | AMP AMP/SAM MI TI | |
| fimH22 papEF pap G III cnf1 hlyA iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D5 |
2∗ 1∗ |
AMP AMP/SAM CHL COL GEN MI NAL TI TOB TMP/SMXAMP AMP/SAM CIP CHL COL GEN LEV MI NAL TI TOB TMP/SMX | |
| fimH22 papEF pap G III cnf1 hlyA iutA iucD kpsM II-K5 traT ibeA malX | D5 | |||
| fimH22 papEF pap G III sfa/focDE cdtB cnf1 hlyA iroN kpsM II-K5 ibeA malX usp | D-nt | 1 | - | |
| CH40-161 | fimH161 papEF papG III cnf1 hlyA iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D5 | 1 | AMP AMP/SAM NAL TI |
| 1 | AMP AMP/SAM TI | |||
| CH40-326 | fimH326 papEF pap G III cnf1 hlyA iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D5 | 1 | AMP AMP/SAM NAL TI |
| CH40-330 | fimH330 papEF pap G III cdtB iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp tsh | D2 | 1 | – |
| CH40-332 | fimH332 papEF pap G III cnf1 hlyA iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D5 | 1 | AMP AMP/SAM GEN NAL TI TOB TMP/SMX |
| CH40-374 | fimH374 papEF pap G III cnf1 hlyA iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D5 | 2 | AMP AMP/SAM TI |
| CH40-336 | fimH336 papEF papG III cnf1 iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D5 | 1 | AMP AMP/SAM CHL NAL TI |
| CH40-338 | fimH338 papEF pap G III cnf1 hlyA iutA iucD iroN kpsM II-K5 cvaC iss traT ibeA malX usp | D5 | 1∗ | AMP AMP/SAM COL GEN MI NAL TI TOB TMP/SMX |
aCH, clonotype (fumC-fimH alleles). bAll isolates exhibited the ExPEC and UPEC status. cnt, not typable. dResistance profiles of mcr-1 carriers (indicated with asterisk ∗) are highlighted in bold. AMP, ampicillin; AMP/SAM, ampicillin-sulbactam; CHL, chloramphenicol; CIP, ciprofloxacin; COL, colistin; FOS, fosfomycin; GEN, gentamicin; LEV, levofloxacin, MI, minocycline; NAL, nalidixic acid; TI, ticarcillin; TMP/SMX, trimethoprim-sulfamethoxazole; TOB, tobramycin;-, sensible to all antibiotics tested.