Table 2.

In vitro cytotoxicity of B. thuringiensistoxins (20 μg/ml) on L. dispar brain cells in primary culture

Toxin% Mortalitya ± SDnb
Control26.4 ± 6.66
Cry1Ab35.3 ± 10.35
Cry1Ac73.2 ± 4.65
Cry1C100 ± 05
Cry1E24.9 ± 3.16
  • a % Mortality = [number of lysed cells (N l)/total number of cells (N t)] × 100.

  • b n = number of cell cultures tested.