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    Progress of studies on insect midgut aminopeptidase N serving as Bacillus thuringiensis insecticidal crystal protein toxin receptor
    昆虫中肠Bt杀虫晶体蛋白毒素受体氨肽酶N的研究进展
    ObjectiveTo construct a fusion protein toxin DT389-hIL-13 which comprises the N-terminal 389 amino acids of diphtheria toxin (DT389) and human interlukin 13 (hIL-13),and to explore its cytotoxicity on U251 glioma cells.
    目的 构建白喉毒素N端 389个氨基酸 (DT389)与人白细胞介素 13(hIL 13)的融合蛋白DT389 hIL 13,并检测其生物学活性。
    Histopathological Effects of the Protein Toxin from Photorhabdus luminescens on the Midgut of Pieris rapae
    无色杆菌毒蛋白对菜粉蝶中肠的组织病理学影响
    Histopathological Effects of the Protein Toxin from Xenorhabdus nematophila on the Midgut of Helicoverpa armigera
    嗜线虫致病杆菌杀虫毒素对棉铃虫的中肠组织病理学研究
    Effect and immunohistochemical localization of Bacillus thuringiensis insecticidal crystal proteins toxin on third-stage larva of Ascaris suum in mice
    苏云金芽胞杆菌伴胞晶体毒素对小鼠体内猪蛔虫三期幼虫的作用及其免疫组织化学定位
    Xenorhabdus bovienii A54 was foundhighly toxic to insects, and it can produce two different toxins, a polysaccharideoral toxin and an injectable protein toxin.
    另外,不同菌株杀虫毒素致病力强弱也各不相同:从血腔毒性上看,菌株HZL和15-2毒性最高,A54、BJ、ALL、CB-8、Meg毒性次之,D43毒性较差;
    The insecticidal protein toxins and insecticidal toxin genes have been found to be elaborated from symbiotic bacteria. The bacteria may be new weapon for insect pest control or be a viable alternative to Bt.
    因此分离筛选高毒力的共生菌菌株、对其杀虫毒素及其杀虫基因进行深入研究,有助于发掘新的杀虫蛋白及杀虫基因,有可能为改变当前害虫防治和转基因抗虫植物的培育中杀虫蛋白或杀虫基因匮乏的局面开辟一条新的途径。
    The protein toxin has a molecular weight of about 60000-65000, which consists of two chains linked by a disulfide bond.
    蓖麻毒素的分子量为65000,由两条多肽链组成,其间通过二硫键相连接。
    Pseudomonas Exotoxin A is a 66,000 dalton protein toxin that kills eukaryotic cells bearing specific receptors for the toxin.
    绿脓杆菌外毒素A(Pseudomonas Exotoxin A)为一条单链毒蛋白,通过对延伸因子EF-2的ADP-核糖基化作用而抑制真核细胞的蛋白合成。
    The ricin is a plant toxin that can be isolated from castor beans (Ricinus communis). The protein toxin has a molecular weight of about 64 000, which consists of two chains linked by a disulfide bond.
    蓖麻毒蛋白Ricin是存在于蓖麻种子中的一种毒蛋白,分子量在64 000,由A,B两条肽链基组成,通过二硫键相连。
    Ricin is a potent protein toxin, The holotoxin consists of two polypeptide chains (RTA and RTB) joined by a disulfide bond. RTA is a ribotoxin which inhibits protein synthesis in mammalian cells; RTB is a lectin which binds specifically to galactose residues on the cell surface and appears to trigger the endocytic uptake of ricin molecular.
    蓖麻毒素(ricin toxin,RT)为一种植物来源的、毒性强的蛋白质毒素,其全毒素是由A、B两条多肽链(RTA、RTB)和连接两链的二硫键组成的异二聚体,分子量在62000~66000Da之间。
    Gelonin, a protein toxin derived from seeds of the plant Gelonium.
    Gelonin是来源于大戟科植物Gelonium.
    The cytolethal distending toxins(CDTs), constituting the most recently discovered family of bacterial protein toxins, are the important virulent factor of Gram-negative pathogenic bacteria.
    细胞致死性肿胀毒素(Cytolethal distendin toxin,CDT)是由革兰氏阴性菌产生的一种毒素蛋白,是革兰氏阴性菌的重要毒力因子。
    Conclusion It indicated that the pathogenic composition of the pathogenic substance was probably a kind of protein toxin.
    结论由此进一步证实该毒素洗脱液的致病物质为蛋白质类毒素。
    Conclusions The Eucleidae Caterpillar have obvious pathogenicity. The material component of pathogenicity is protein toxin and its toxicity is stronger.
    结论:刺蛾幼虫的毒刺毛具有致病性,致病物质成分为蛋白类毒素,其毒力较强。
    3. Protein toxin was remained in boll-worm body after its eating transgenic insect-resistant cotton;
    3 转基因抗虫棉的蛋白毒性在棉铃虫体内具有一定的残效 ;
 

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