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Effects of clpP and clpC mutations on the virulence of B. thuringiensis in B. mori larvae
| Strain | LD50a (CFU/injected larva) |
|---|---|
| 407 Cry− | 4.79 (3.28-6.12) |
| 407 Cry− ΔclpC | 5.27 (3.57-6.95) |
| 407 Cry− ΔclpP1 | >100b |
| 407 Cry− ΔclpP2 | 7.094 (3.56-9.91) |
LD50s were calculated 1 day postinfection by Probit analysis (Raymond et al., license no. L93019-Avenix). Values in parentheses are 95% confidence intervals (12).
Injection of 100 cells of a clpP-deficient mutant causes 0% mortality.
