Table 1.
Toxicity of Cy1Aa, Cry4Ba and toxin mutants
| Toxin | LC50a (ng/ml) |
|---|---|
| Cyt1Aa | 952.5 (602.5–1824.3) |
| K198A | 601.8 (466.3–792.7) |
| E204A | 103.9 (80.3–134.9) |
| K225A | 858.6 (548.5–1527.6) |
| Cry4Ba | 79.4 (61–102) |
| α8M1 | 117.2 (93.9–146.6) |
| α8M2 | 182.2 (77.9–358.8) |
a
Bioassays were performed with 10 early fourth-instar Ae. aegypti larvae in 100 ml H2O per dose. Three independent experiments of ten different doses each were done. Mean lethal 95% confidence limits are given in concentration (LC50) was estimated by Probit analysis. parentheses.