Characterization of CMY-2-type beta-lactamase-producing Escherichia coli isolated from chicken carcasses and human infection in a city of South Brazil

Table 2 Antimicrobial resistance profiles, presence of resistance genes and ISEcp1 in AmpC beta-lactamase positive E. coli strains

Strains	Antimicrobial resistance profile to non beta-lactams	Betalactamase genes	Non beta-lactam resistance genes	ISEcp1
Chicken carcass
23EC	tet, gen, nal, sut	bla_CMY-2	tetA, tetB, sulI, sulII	+
30C	tet, gen, clo, nal, cip, nor, enr, sut	bla_CMY-2	tetB, sulI, sulII	+
30TE	tet, nal, sut	bla_CMY-2	tetA, tetB, sulI, sulII	+
32.2 A	tet, nal, sut	bla_CMY-2	tetA, tetB, sulI, sulII	+
33.3	tet, nit, nal, cip, enr	bla_CMY-2	tetA, tetB, sulI, sulII	+
33.5	tet, nal, cip, nor, enr, sut	bla_CMY-2	tetA, tetB, sulI, sulII	–
43.5	tet, gen, clo, nit, sut	bla_CMY-2	tetA, sulI, sulII	–
44.2 A	tet, nal, sut	bla_CMY-2	tetA, sulI	+
Human samples
U79167	tet, nal, cip, nor, enr, sut	bla_CMY-2; bla_TEM-1	tetA	+
U7895	tet, nal, cip, nor, enr, sut	bla_CMY-2	tetA	–
T746	tet, nal, cip, nor, enr, sut	bla_CMY-2; bla_TEM-1	tetB	–
U7772	tet, gen, nal,cip, nor, enr, sut	bla_CMY-2	tetB	+
S8293	tet, nit, nal, nor, enr	bla_CMY-2	tetB, sulII	+
S4474	nal, cip, nor, enr	bla_CMY-2	–	+

tetracycline (tet), gentamicin (gen), chloramphenicol (clo), nitrofurantoin (nit), nalidixic acid (nal), ciprofloxacin (cip), norfloxacin (nor), enrofloxacin (enr), trimethoprim-sulfamethoxazole (sut)
(+) Presence
(−) Absence

ISSN: 1471-2180