首页> 外文会议>ACS Symposium Series 892; Pan-Pacific Conference on Pesticide Science; 20030601-04; Honolulu,HI(US) >Measurement of Receptor-Binding Activity of Non-Steroidal Ecdysone Agonists Using in vitro Expressed Receptor Proteins (EcR/USP Complex) of Chilo suppressalis and Drosophila melanogaster
【24h】

Measurement of Receptor-Binding Activity of Non-Steroidal Ecdysone Agonists Using in vitro Expressed Receptor Proteins (EcR/USP Complex) of Chilo suppressalis and Drosophila melanogaster

机译:非甾体蜕皮激素激动剂受体结合活性的测定使用体外表达的Chilo inhibitoralis和Drosophila melanogaster受体蛋白(EcR / USP复合物)

获取原文
获取原文并翻译 | 示例

摘要

N-tert-Butyl-N,N'-dibenzoylhydrazine and its analogs are agonists of insect molting hormone (20-hydroxyecdysone: 20E). In order to elucidate the mode of action of these non-steroidal ecdysone agonists at the molecular level, we expressed the receptor protein for 20E - the heterodimer of ecdysone receptor (EcR) and ultraspiracle (USP) - in vitro, and analyzed their binding affinities to ligands. For the lepidopteran Chilo suppressalis, we showed quantitatively that the receptor-binding activity of non-steroidal ecdysone agonists determines the strength of their molting hormonal and insecticidal activities. The binding activity of five representative non-steroidal ecdysone agonists to C. suppressalis EcR/USP was higher than that to dipteran Drosophila melanogaster EcR/USP, which probably results in the selective toxicity between these two insects.
机译:N-叔丁基-N,N'-二苯甲酰肼及其类似物是昆虫蜕皮激素(20-羟基蜕皮酮:20E)的激动剂。为了在分子水平上阐明这些非甾体蜕皮激素激动剂的作用方式,我们在体外表达了蜕皮激素受体(EcR)和超螺旋体(USP)的异源二聚体20E的受体蛋白,并分析了它们的结合亲和力配体。对于鳞翅目Chilo inhibitoralis,我们定量显示了非甾体蜕皮激素激动剂的受体结合活性决定了它们蜕皮激素和杀虫活性的强度。五种有代表性的非甾体蜕皮激素激动剂与抑制隐球菌EcR / USP的结合活性高于对二倍体果蝇果蝇EcR / USP的结合活性,这可能导致这两种昆虫之间的选择性毒性。

著录项

相似文献

  • 外文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号