...文 突变体的发生机理和类型 13-17 1.2.1 植物的过敏反应HR 14-15 1.2.2 植物的系统获得性抗性(systemic acuqired resistance, SAR) 15 1.2.3 植物防卫反应的整体特征 15-17 1.3 类病变发生与环境的互作 17..
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植物中普遍存在的抗病机制有两种，即过敏反应(HR)和系统获得性抗性(SAR)。
There are two types of mechanism of plant disease resistance, hypersensitive response (HR) and systemic acquired resistance (SAR).
拟南芥npr 1基因是植物产生系统获得性抗的关键调节基因，参与对白粉病的抗性反应。
The NPR1 gene in arabidopsis plays an important role in activating various plant defensive responses, including expression of the pathogenesis-related genes and systemic acquired resistance.
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