TABLE 1.

Characteristics of nontyphoid salmonella isolates producing ESBLs

Isolate no.	Serotype	Isolation date (day-mo-yr)	Place of isolation	Origin	Resistance patterna	ESBL type	Plasmidb size (kb)	Cotransferred resistances
2000/222	Brandenburg	22-08-00	Ioannina	Human	Amp, Ctx, Kan, Sul, Tmp	SHV-5	120	Kan, Sul, Tmp
2002/860	Blockley	26-10-02	Xanthi	Human	Amp, Ctx, Str, Tet, Nal	TEM-52	100
2002/844	Hadar	18-10-02	Drama	Human	Amp, Ctx, Str, Tet, Nal	TEM-52	100
2001/1	Virchow	26-01-01	Halkida	Poultry	Amp, Ctx, Kan, Str, Tet, Sul, Tmp, Chl	CTX-M-32	50
2001/2	Virchow	29-01-01	Halkida	Poultry	Amp, Ctx, Kan, Str, Tet, Sul, Tmp, Chl	CTX-M-32	50

^aAmp, ampicillin; Ctx, cefotaxime; Sul, sulfonamides; Tmp, trimethoprim; Kan, kanamycin; Str, streptomycin; Tet, tetracycline; Chl, chloramphenicol; Nal, nalidixic acid

^bAll plasmids were found to be transferable.