TABLE 3.

Antibiotic resistance patterns, quinolone susceptibilities, and mutations in the GyrA and ParC QRDRs for strains of the A. hydrophila complex

A. hydrophila strain	Antibiotic resistance patterna	Quinolone MICb (mg/liter)										Amino acid in QRDRs
		NAL	OA	PI	UB	NOR	PEF	OFX	SPX	CIP	ENR	GyrA position 83	ParC position 80
CIP 7614		0.2	≤0.1	0.5	0.05	0.002	0.002	0.002	0.005	≤0.001	0.005	Ser	Ile
8		≤0.1	≤0.1	0.2	≤0.01	≤0.001	≤0.001	≤0.001	0.002	≤0.001	≤0.001		Ser
256	Q	>512	4	32	4	2	2	2	4	1	2	Arg	Ser
209	Q	256	64	256	512	4	4	2	4	1	2	Ile
34	Q, Ctx, Tc, (C), Sxt	>512	8	64	32	8	16	4	2	2	2	Arg	Ser

^aSee footnote a of Table 2 for definitions of abbreviations.

^bSee footnote b of Table 2 for definitions of abbreviations.