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Relative fitness of Fusr and catalase mutants competing against wild-type 14028s in BALB/c mice
| Relevant mutation | Competition indexa | SE |
|---|---|---|
| katE::Tn10 | 1.4 | 0.2 |
| katG::pRR10 | 0.4 | 0.08 |
| fusA1-15 | 0.002 | 0.001 |
| fusA1 | <0.0008 |
The competition index is the ratio of mutant to wild type at the end of one growth cycle/the ratio of mutant to wild type at time zero. Each result is the arithmetic mean of the bacterial ratios from at least four mice.
