TABLE 1

Characteristics of three IncFII-IA-IB blaCTX-M-harboring plasmids from community-associated E. coli isolates in the United States

PlasmidLocationST of host isolateSize (bp)No. of genesFAB formulaResistance genesPutative virulence factor(s)
pCA08Michigan131154,789186F2:A2:B20blaCTX-M-14, tetA(A)-tetR, strAB, sul2, mph(A)-mrx-mphR(A), sul1-qacEΔ-aadA5-dfrA17ABC transporter system
pCA14Texas131155,454181F31:A4:B1blaCTX-M-15, ΔcatB3-blaOXA-1-aac(6′)-Ib-cr, tetA(B)-tetRtetC, mph(A)-mrx-mphR(A), dfrA17-aadA5-qacEΔ-sul1, ΔcatA1ABC transporter system, iucABCD-iutA, vagAB
pCA28Iowa44172,280203F31:A4:B1blaCTX-M-15, ΔcatB3-blaOXA-1-aac(6)-Ib-cr, mph(A)-mrx-mphR(A), tetA(B)-tetR-tetC-tetD, dfrA17-aadA5-qacEΔ-sul1, aacC3ABC transporter system, iucABCD-iutA, sitABCD, vagAB