TABLE 1.

Descriptions of laboratory strains of E. coli K-12 and S. aureus and their susceptibilities to antimicrobial agents

Strain	Description	Reference	MIC (μg/ml)
			Holomycin	Ciprofloxacin	Rifampin	Chloramphenicol	Cerulenin
E. coli
MG1655	Prototroph	29	0.2	0.62	1	6.25	62.5
CF1652	MG1655Δ relA251::kan	29	0.2	NDa	ND	ND	ND
CSH141	ara Δ(gpt-lac) 5 supE rpsE [F′ lac+proA+proB+]	16	2	ND	16.0	ND	ND
S. aureus 8325-4	NCTC 8325 cured of phages 11, 12, and 13	18	8	2.0	0.008	8	100

^aND, not determined.