TABLE 2.

Competition assays of ΔsodCI in copper-trafficking mutant backgrounds

Relevant genotype of S. Typhimurium straina:		Median CI	No. of mice	P valueb	Fold attenuationc
A	B
ΔsodCI ΔcueP	ΔcueP	0.17	7	0.001	6.0
ΔsodCI ΔcopA ΔgolT	ΔcopA ΔgolT	0.23	4	0.034	4.4
ΔsodCI ΔcopA ΔgolT ΔcueP	ΔcopA ΔgolT ΔcueP	0.13d	7	0.005	7.7
ΔsodCI	WT	0.15d	4	<0.005	6.7

^aThe strains used were 14028, JS2096, JS192, JS2095, JS2091, JS2097, and JS2092.

^bBy Student's t test comparing CI versus inoculum.

^cReciprocal of median CI, if significant.

^dNot significantly different from one another; P = 0.47.