蘇雲金杆菌（BT）毒素及其應用(PPT 111頁)

蘇雲金杆菌（BT）毒素及其應用
1 What is Bacillus thuringiensis
1 蘇雲金杆菌是什麼？
A rod-shaped (1.0-1.2 by 3-5 micron), gram-positive, facultative anaerobic, spore forming bacterium
杆狀，大小為1.0-1.2 × 3-5 ?m，革蘭氏陽性，兼性嫌氧，產孢的細菌
菌體照片
A facultative pathogen of some insect species commonly used as a biopesticide.
一些昆蟲的兼性病原物，常用作生物殺蟲劑。
More than 150 insects belonging to the orders Lepidoptera, Diptera, and Coleoptera are known to be susceptible to Bt. To be effective, Bt must be eaten by insects during their feeding stage of development, when they are larvae. Bt is ineffective against adult insects.
150種以上屬於鱗翅目、雙翅目、和鞘翅目的昆蟲易感染Bt。 Bt要昆蟲幼蟲取食後才會發生效力，對成蟲無效。

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