TABLE 2.

Plating efficiencies of phages lambda and 2851 on C600 lysogenic with either phage

Phage lysate	Plating efficiency of phage lysate on strain:
	C600	C600 (phage 2851)	C600 (lambda)
Phage 2851	1.0	<1.0 × 10−8	2.5 × 10−5
Lambda	1.0	1.6 × 10−6	<1.0 × 10−8