Modulation of the expression of ryanodine receptor mRNA from Plutella xylostella as a result of diamide insecticide application
文献类型: 外文期刊
第一作者: Cui, Li
作者: Cui, Li;Rui, Changhui;Yan, Xiaojing;Yang, Daibin;Yuan, Huizhu
作者机构:
关键词: Diamides;Expression;Plutella xylostella;Ryanodine receptor
期刊名称:GENE ( 影响因子:3.688; 五年影响因子:3.329 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Ryanodine receptors (RyRs), members of the largest family of calcium channel proteins, have been studied because of their key roles in calcium signalling within cells. With the development of diamide insecticides that exhibit a novel mode of action on the RyRs from Lepidoptera, research on insect RyRs has become more attractive in the field of plant protection. To enhance our understanding of the effects of diamides on RyRs, we cloned the Plutella xylostella RyR gene (Px-RyR), which is the most serious pest of Brassicaceae plants throughout the world. Furthermore, we investigated the modulation of the expression of Px-RyR as a result of the application of diamide insecticides. The full-length cDNAs of Px-RyR contain an open reading frame (ORF) of 15,372. bp with a predicted protein consisting of 5123 amino acids. Px-RyR possesses a high level of overall amino acid homology with other isoforms (77-92% identity with insect isoforms and 45-47% identity with vertebrate isoforms). The weight of Px. gradually decreased as the concentration of the diamides increased. However, the relative expression levels of the RyRs from larvae were dependent on the insecticide concentration and gradually increased with increasing insecticide concentrations.
分类号: R394
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