TABLE 2.

Phenotypes and genotypes of ESBL-producing E. coli isolates recovered from four different water types, non-tidal fresh river/creek water (NF), tidal brackish river water (TB), pond water (PW) and reclaimed water (RW)^a

Resistant phenotype	Phylogroup	Water type	Season of collection	Genotype
CAZ/CTX/CRO/CXM/FOX	B1	NF	Spring	bla TEM , bla CMY-1 , bla CMY-2
	B2	NF	Winter	bla CMY-2
	D	NF	Winter	bla TEM , bla CMY-2
	D*	TB	Winter	bla CTX-M , bla OXA-2
CTX/CRO/CXM/FOX	B1*	NF	Fall	bla CMY-2
CAZ/CTX/CRO/CXM	B2*	RW	Fall	bla CTX-M
CTX/CRO/CXM	B2*	RW	Fall	blaCTX-M, blaTEM, blaSHV, blaCMY-1, blaOXA-1
CTX/FOX	B1	NF	Summer	None
FOX	A	NF	Fall	bla CMY-2
	A	NF	Fall	bla TEM , bla CMY-2
	A	RW	Fall	bla CMY-2
	A	RW	Summer	bla TEM , bla CMY-2
	A	NF	Summer	bla TEM , bla CMY-2
	A	NF	Summer	bla CMY-2
	B1	PW	Fall	bla CMY-1
	B2	NF	Summer	bla TEM , bla CMY-2

^aAntibiotics tested were ceftazidime (CAZ), ceftriaxone (CRO), cefotaxime (CTX), cefuroxime (CXM) and cefoxitin (FOX). *, denotes confirmed ESBL activity.