TABLE 3.

MICs for the deletion mutants of E. coli and C. perfringens

Plasmid	Mutation	Chloramphenicol MIC (μg/ml)
		E. coli (DH5α)	C. perfringens (JIR33)
None	None	NDa	<0.5
pJIR418	Positive control	>200	60
pPSV	Vector control	15	1.5
pJIR1438	Wild type	52.5	4
pJIR1617	ΔT1	>200	25
pJIR1618	ΔPE2	67.5	10
pJIR1494	ΔP3	22.5	1.5
pJIR1644	P3-525ΔA	ND	2.5
pJIR1645	T1-G941A	ND	25

^aND, not done.