TABLE 3.

Transfer of SaPIbov2-tetM and chromosomal aur::ermB^a

Prophage	SaPIbov2	MC-induced phage titerb	SaPIbov2 titer (Tcr)c		aur::ermB titer (ErmB)d
			RN4220	RN981	RN4220	RN981
80α	Wild type	1.4 × 109	1.3 × 109	6.8 × 108	840	0
80α	Δint	3 × 108	1.4 × 103	0	200	0
φ11	Wild type	3.2 × 109	5.2 × 103	90	220	0
φ11	Δint	8.3 × 109	60	0	110	0
φ147	Wild type	4.4 × 109	2.6 × 103	1.9 × 103	460	0
φ147	Δint	6.3 × 109	560	0	730	0

^aThe data are data from a representative experiment.

^bNumber of phage particles/ml of induced culture, using RN4220 as the recipient strain.

^cNumber of SaPIbov2 particles/ml of induced culture, using RN4220 or RN981 (recA mutant) as the recipient strain.

^dNumber of ErmB-resistant transductants/ml of induced culture, using RN4220 or RN981 (recA mutant) as the recipient strain.