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植物G蛋白与植物防卫反应 总被引:5,自引:0,他引:5
近年来, 植物G蛋白(包括异三聚体G蛋白和小G蛋白)的存在及其信号调控途径已经成为人们研究细胞信号转导过程的热点问题。从多种植物细胞中相继分离克隆出多个与动物G蛋白同源的编码植物G蛋白的基因, 并且植物G蛋白的种类和数量有其独特性。植物G蛋白在植物细胞跨膜信号转导中发挥重要的作用, 参与多种生命活动的调控。本文主要综述了植物G蛋白参与植物防卫反应调节作用的研究进展。 相似文献
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Plant nanotoxicology 总被引:4,自引:0,他引:4
The anthropogenic release of nanoparticles (NPs) to the environment poses a potential hazard to human health and life. The interplay between NPs and biological processes is receiving increasing attention. Plants expose huge interfaces to the air and soil environment. Thus, NPs are adsorbed to the plant surfaces, taken up through nano- or micrometer-scale openings of plants and are translocated within the plant body. Persistent NPs associated with plants enter the human food chain. In this Opinion, we document the occurrence and character of NPs in the environment and evaluate the need for future research on toxicological effects. Plant nanotoxicology is introduced as a discipline that explores the effects and toxicity mechanisms of NPs in plants, including transport, surface interactions and material-specific responses. 相似文献
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