Detection of Extended-Spectrum β-Lactamases (ESBL) Producing Enterobacteriaceae from Fish Trapped in the Lagoon Area of Bizerte, Tunisia

Table 2

Characteristic of ESBL-Eb strains detected in fish from lagoon of Bizerte.

Isolates	Sampling	Fish species	ESBL	Resistance to non-β-lactam	Resistance genes	Phylogenetic group	Virulence factor
EC 138	SC	S. salpa	CTX-M-1+OXA-1	TET, NAL, SUL	tet A, sul 2, qnrB	D	—
EC 155	G	T. trachurus	CTX-M-1+OXA-1	TET, NAL, SUL	tet A, sul 1, qnrB	D	—
EC 159	SC	T. trachurus	CTX-M-1+OXA-1	TET, NAL, SUL	tet A, sul 2, qnrB	D	—
EC 163	G	T. trachurus	CTX-M-1+OXA-1	TET, NAL, SUL	tet A, sul 2, qnrB	D	—
EC 71	SC	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 2, qnrB	B2	fimA
EC 80	G	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 1, aac(6)ib-cr	D	fimA
EC 87	SC	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 2, qnrB	D	fimA
EC 94	SC	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 2, aac(6)ib-cr	D	—
EC 98	G	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 1, qnrA	B2	fimA
EC 101	SC	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, qnrA	D	fimA
EC 105	G	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 1, aac(6)ib-cr	D	fimA
EC 109	SC	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 2, qnrA	D	—
EC 113	G	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 2, qnrA	D	—
EC 119	G	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 1, qnrA	D	—
EC 129	G	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 2, aac(6)ib-cr, qnrB	D	—
EC 131	G	S. salpa	CTX-M-1	TET, NAL, SUL	tet A, sul 1, qnrB	D	—
EC 182	G	P. saltatrix	CTX-M-1	TET, STR	tet A	D	—
EC 319	SC	M. surmuletus	CTX-M-1	CN, TOB, SUL	—	A	—
EC 61	SC	S. salpa	CTX-M-15	TET, NAL, SUL	tet A, qnrA	D	fimA
EC 62	G	S. salpa	CTX-M-15	TET, NAL, SUL	tet A, sul 2, aac(6)ib-cr	D	fimA
EC 68	G	S. salpa	CTX-M-15	TET, NAL, SUL	tet A, sul 1, qnrB	D	fimA
K. p 286	SC	T. trachurus	CTX-M-1+TEM-1-a	CN, TOB, SUL	—
K. p 291	G	T. trachurus	CTX-M-1+TEM-1-a	CN, TOB, SUL	—
K. p 282	G	T. trachurus	CTX-M-15+TEM-1-a	CN, TOB, SUL, STR	—
K. p 135	SC	S. salpa	CTX-M-1+OXA-1	TET, NAL, SUL	tet A, sul 1, aac()ib
K. p 206	G	D. labrax	CTX-M-1+OXA-1	CN, TOB	—
K. p 246	SC	Ch. labrosus	CTX-M-1+OXA-1	CN, TOB	—
K. p 216	G	D. labrax	CTX-M-15+OXA-1	CN, TOB	—
K. p 211	SC	D. labrax	CTX-M-1	CN, TOB	—
K. p 222	SC	D. labrax	CTX-M-1	CN, TOB, SUL	—
K. p 234	G	Ch. labrosus	CTX-M-1	C, CN, TOB	—
K. p 243	G	Ch. labrosus	CTX-M-1	CN, TOB, SUL	sul 2
K. p 249	G	Ch. labrosus	CTX-M-1	CN, TOB, SUL	sul 2
K. p 254	SC	Ch. labrosus	CTX-M-1	CN, TOB, SUL	sul 1
K. p 257	G	Ch. labrosus	CTX-M-1	CN, TOB, SUL	—
K. p 263	SC	T. trachurus	CTX-M-1	CN, TOB, SUL	—
K. p 219	G	D. labrax	CTX-M-15	CN, TOB	—
C342	G	T. trachurus	CTX-M-1	CN, TOB, SUL	sul 2
C66	SC	S. salpa	CTX-M-9	—	—
C79	SC	S. salpa	CTX-M-9	—	—
C225	G	D. labrax	CTX-M-9	SUL	sul 1
SH278	SC	T. trachurus	CTX-M-15+TEM-1-a	CN, TOB, SUL	—
SH260	SC	Ch. labrosus	CTX-M-1	CN, TOB, SUL	—
SH273	G	T. trachurus	CTX-M-15	CN, TOB, SUL	—
SH307	G	M. surmuletus	CTX-M-15	CN, TOB, SUL	—
SH315	G	M. surmuletus	CTX-M-15	CN, TOB	—

SC: stomach content analysis; G: gills; EC: Escherichia coli; K. p: Klebsiella pneumoniae; CF: Citrobacter freundii; (SH): Shigella boydii; T: Thermococcus; S. salpa: Sarpa salpa; T. trachurus: Trachurus trachurus; P. saltatrix: Pomatomus saltatrix; M. surmuletus: Mullus surmuletus; D. labrax: Dicentrarchus labrax; Ch. labrosus: Chelon labrosus; TET: tetracycline; Nal: nalidixic acid; TOB: tobramycin; SUL: sulfonamide; CN: gentamicin; STR; streptomycin; C: chloramphenicol.