Table 2.

Expression of phage resistance from DNA encoding abortive infection from pND852

Host strain	Phage φ712					Phage φc2
	30°C			37°C		30°C			37°C
	EOP	D/M	Cell death (%)	EOP	D/M	EOP	D/M	Cell death (%)	EOP	D/M
LM0230Smr	1.0	2 mm	100	1.0	2 mm	1.0	3 mm	100	1.0	3–4 mm
LM0230Smr(pNDS52)	ND	HP	—	10−3	PP	10−2	PP	—	10−2	1.5 mm
LM0230(pND817) and LM0230Smr(pND817)	<10−9	—	97	ND	HP	<10−3	PP	92	10−2	1 mm

EOP, efficiency of plating; D/M, plaque diameter (mm) or plaque morphology; ND, not determined; HP, very faint hazy pin-point plaques; PP, clear pin-point plaques.