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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Mol Microbiol. 2013 Jul 19;89(5):10.1111/mmi.12318. doi: 10.1111/mmi.12318

Table 6.

Competition assays with SPI1 mutants.

Strain A a Strain B a Median CI b Number of Mice P value c
Δspi1 wt 0.015 7 <0.005
ΔtatC Δspi1 Δspi1 0.016 8 <0.005
ΔamiAC ΔsufI Δspi1 Δspi1 0.0065 5 <0.005
a

The strains used were JS135, JS2028, JS2029, and JS2030. Mice were infected orally with 109 bacteria/mouse. Bacteria were recovered from the distal portion of the small intestine.

b

The competitive index (CI) was calculated as described in the experimental procedures.

c

The student’s t test was used to compare the output and the inoculums. NS, not significant.