Association of Transferable Quinolone Resistance Determinant qnrB19 with Extended-Spectrum β-Lactamases in Salmonella Give and Salmonella Heidelberg in Venezuela

Table 2

Phenotypic and genotypic characteristics of S. Give and S. Heidelberg isolates and their transformants (trf).

Strain number	Sample	Serovar	Resistance pattern	Plasmid size (kb)^a	𝛽-lactamase type	qnr gene
SG9611	Human	Give	ESBL+, CIP, TOB	13	𝑏𝑙𝑎TEM-1+𝑏𝑙𝑎SHV-12	qnrB19
9611trf			ESBL+, CIP, TOB	13	𝑏𝑙𝑎TEM-1+𝑏𝑙𝑎SHV-12	qnrB19
SG9811	Human	Give	ESBL+, CIP, GEN	19	𝑏𝑙𝑎TEM-1+𝑏𝑙𝑎CTX-M-2	qnrB19
9811trf			ESBL+, CIP, GEN	19	𝑏𝑙𝑎TEM-1+𝑏𝑙𝑎CTX-M-2	qnrB19
SH7511	Chicken	Heidelberg	ESBL+, CIP, GENI	19	𝑏𝑙𝑎TEM-1+𝑏𝑙𝑎CTX-M-2	qnrB19
7511trf			ESBL+, CIP, GEN	19	𝑏𝑙𝑎TEM-1+𝑏𝑙𝑎CTX-M-2	qnrB19
SH7911	Chicken	Heidelberg	ESBL+, CIP, GEN, TOBI	19	𝑏𝑙𝑎TEM-1+𝑏𝑙𝑎CTX-M-2	qnrB19
7911trf			ESBL+, CIP, GEN	19	𝑏𝑙𝑎TEM-1+𝑏𝑙𝑎CTX-M-2	qnrB19

aEstimated; ESBL+: extended-spectrum 𝛽-lactamase positive; CIP: ciprofloxacin; GEN: gentamicin; GEN_I: intermediate sensibility to gentamicin; TOB: tobramycin; TOB_I: intermediate sensibility to tobramycin.