TABLE 2.
Insecticidal activity of different Cry1AbN514 mutants
| Toxin | LC50 (fiducial limits) (ng/cm2) fora: |
|
|---|---|---|
| Manduca sexta | Spodoptera frugiperda (Sf-IBT) | |
| Cry1Ab | 4 (2.6–4.6) | >2,000 |
| Cry1AbN514F | 4 (2.2–4.6) | 45 (20–70) |
| Cry1AbN514H | 2 (0.9–2.7) | 125 (93–167) |
| Cry1AbN514I | 3 (2.1–5.1) | >2,000 |
| Cry1AbN514K | 4 (2.4–6.5) | 282 (186–520) |
| Cry1AbN514L | 4 (2.2–5.5) | 222 (160–325) |
| Cry1AbN514M | 2 (0.8–2.4) | >2,000 |
| Cry1AbN514Q | 3 (1.7–5.3) | 77 (51–110) |
| Cry1AbN514S | 2 (0.5–1.9) | 86 (48–122) |
| Cry1AbN514V | 2 (0.7–2.3) | 226 (120–700) |
a
Values are means of at least 3 repetitions; fiducial limits are 95% confidence intervals.