. 2024 Aug 21;12(10):e00717-24. doi: 10.1128/spectrum.00717-24

TABLE 1.

Distribution of virulence factors on chromosomes (C) and plasmids (P) in ESBL-producing E. coli isolates

Virulence factor function	Gene(s)	ESBL E. coli isolate ID
Virulence factor function	Gene(s)	B	C	D	E	F	G	I	J	K
Aerobactin synthetase	iucC		P^a		–			P^a	P^a
Afimbrial adhesion	afaD						C
Capsule polysaccharide export	kpsE			C	C
Colicin	cba, ci(ab), cma		P^b		P^b	P^b		P^b	P^b	P^b
Enterobactin siderophore receptor protein	iroN					P^c
Ferric aerobactin receptor	iutA		P^a					P^a	P^a
Glutamate decarboxylase	gad	C	C	C	C	C	C	C	C	C
Heat-resistant agglutinin	hra			C					C
Hemolysin F	hlyF		P^a			P^c		P^a	P^a
High molecular weight protein 2 non-ribosomal peptide synthetase	irp2				C
Increased serum survival	iss	C		C		C, P^c
Iron transport protein	sitA	C	P^a		C	P^c		P^a	P^a	C
Long polar fimbriae	ipfA			C			D			D
Major pilin subunit F11	papA_F11								C
Major pilin subunit F19	papA_F19			C
Microcin	cvaC, mcmA		P^a			P^c		P^a	C
Outer membrane hemin receptor	chuA			C	C
Outer membrane protease (protein protease 7)	ompT		P^a		C	P^c		P^a	P^a
Outer membrane protein complement resistance	traT		P^a			P^c		P^a	P^a
Outer membrane usher	papC, afaC		C						C
Periplasmic chaperone	afaB								C
Polysialic acid transport protein; group 2 capsule	kpsMII_K5		C
Siderophore receptor	fyuA, ireA				C				C
Tellurium ion resistance protein	terC	C	C		C	C	C	C	C	C
Transcriptional regulator	afaA								C
EAST-1 heat-stable toxin	astA		C
Enteroaggregative immunoglobulin repeat protein	air		C		C
Salmonella HilA homolog	eilA		C		C

^{^a}

On blaCTX-carrying plasmid.

^{^b}

On all beta lactam-carrying plasmids.

^{^c}

On blaSHV-carrying plasmid.