vegetative insecticidal proteins

Bacillus thuringiensis is a gram-positive, spore-forming bacterium capable of producing a number of toxins, including insecticidal endotoxins, exotoxins, chitinase, vegetative insecticidal proteins (VIPs) and proteases, with toxicity to several insect orders, nematodes, mites and protozoa.
蘇云金芽孢桿菌(Bacillus thuringiensis，Bt)是一種革蘭氏陽(yáng)性產(chǎn)孢細(xì)菌，能形成殺蟲(chóng)晶體蛋白、外毒素、幾丁質(zhì)酶、營(yíng)養(yǎng)期殺蟲(chóng)蛋白和蛋白酶等多種毒素，對(duì)多種昆蟲(chóng)以及線蟲(chóng)、螨類和原生動(dòng)物都有活性。