Table 3.

Transfer of drug resistance in filter mating.

	Transfer Frequency	MIC (mg/L)
		E	KM	SM	GM	C
Recipient: E. faecalis JH2-2		0.25	64	128	16	8
Donor: E. faecalis N48	3.7 × 10−2	>256	>1024	>1024	>1024	64
Transconjugants (E. faecalis N48)		>256	>1024	>1024	-	64
Donor: E. faecium V19	2.5 × 10−7	>256	>1024	32	>1024	8
Transconjugants (E. faecium V19)		>256	>1024	-	512	-

Abbreviation: E, erythromycin; KM, kanamycin; SM, streptomycin; GM, gentamicin; C, chloramphenicol. “-”, not detected.