伴孢晶體 的英文怎麼說
中文拼音 [bànbāojīngtǐ]
伴孢晶體
英文
parasporal crystal-
The recombinant b. thuringiensis subsp. israelensis b - pmpx2 can produce a rhombus crystalline inclusion body during its sporulation sds - page analysis proved that cytlaa had overexpressed during the sporulation of the recombinant. it was found that b - pmpx2 strain remained stable toxicity, whatever during vegetative phase or sporulation phase, which was similar to the expression of mtxl gene in the strain of protease ( s ) - deficient b. sphaericus
同時，將來源於蘇雲金芽孢桿菌以色列亞種（ b . thuringiensissubsp . israelensis ， b . t . i ）的cytlaa基因和p20伴侶蛋白基因克隆連接到質粒pmt9中，並轉化到蘇雲金芽孢桿菌無晶體型中得到重組轉化子b - pmpx2 ，電鏡觀察發現重組轉化子b - pmpx2形成一菱形晶體。This thesis studied on bacillus thuringiensis strain bt886 which was separated and selected by researchers of our laboratory. according to the observation of crystal shape and the bioassay of motschulsky and fairmaire, bacillus thuringiensis strain bt886 was identified as cry3 type, and the conclusion was assured by the further study on molecular level. the 1956 base pairs full lengrh homological cry3aa gene which was toxic to motschulsky was cloned and sequenced
以該菌株為材料，克隆出了對光肩星天牛（ anoplophralabripennis （ motsch . ） ）具有毒殺作用的cry3aa同源基因，並且對該基因進行了人工改造、人工合成、大腸桿菌表達、生物活性測定、雙元表達載體的構建以及對楊樹的轉化等一系列研究，主要結果如下： （ 1 ）顯微觀察該菌株所形成的伴孢晶體為方形。
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