Adherent/invasive Escherichia coli (AIEC) isolates from asymptomatic people: new E. coli ST131 O25:H4/H30-Rx virotypes

Table 1 Characteristics E. coli CTX^R ST131 O25:H4/H30-Rx strains.

Strain	β-lactamic Resistance profile	Non-β-lactamic Resistance profile	Genetic resistance determinant	Phylogenetic group	ST/ST complex	AIEC genes^a	Virulence genes^a
C7223	AMP, AMC, CTX, CAZ	NA, CIP, S, T, TE, SXT	bla_CTX-M15, bla_OXA-1, aac(6′)-Ib-cr, tet(A)	B2	4225/131	insA, insB, intI1	fimH, iha, iucD, satA, papA, papGII
C7225	AMP, AMC, CTX, CAZ, FEP	NA, CIP, GM, AK, T, TE,	bla_CTX-M15, bla_OXA-1, aac(6′)-Ib-cr, tet(A), aac(3′)-II	B2	131/131	insA, insB, intI1	fimH, iha, iucD, satA, papA, papGII
C7226	AMP, AMC, CTX, CAZ, FEP	NA, CIP, GM, AK, T, TE	bla_CTX-M15, bla_OXA-1, aac(6′)-Ib-cr, aac(3′)-II	B2	131/131	insA, insB, intI1	fimH, iha, iucD, cnfI, iroN, papA, papGII
C7230	AMP, CTX, CAZ, FEP, IMP	NA, CIP, S, GM, T, TE	bla_CTX-M15, tet(A),	B2	131/131	insA, insB, intI1	fimH, iha, iucD, cnfI, iroN, papA, papGII

CTX^R Resistant to cefotaxime, O25:H4/H30-Rx serotype/fimH variant-resistance to fluoroquinolones simultaneously with ESBL CTX-M-15 production, AMP ampicillin, AMC amoxicillin/clavulanic acid, CTX cefotaxime, CAZ ceftazidime, FEP cefepime, IMP imipenem, NA nalidixic acid, CIP ciprofloxacin, AK amikacin, GM gentamicin, T tobramicin, TE tetracycline, SXT sulfamethoxazole trimetoprim, S streptomycin
^aThis study

ISSN: 1476-0711