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高温胁迫下光合器官受损及其适应机理 被引量:21

Mechanisms of damage and acclimation of photosynthetic apparatus due to heat stress
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摘要 热胁迫下 ,在没有超过可以忍耐的及可适应的限度时 ,有机体首先经历一段不稳定的过程 ,接下来是生理功能的恢复和稳定。介绍了热胁迫对PSⅡ和PSⅠ活性、脂类成分、蛋白质含量、CO2 同化及抗氧化剂酶的影响的研究进展 ,并讨论了植物适应高温的过程。参 4 7。 This paper reviewed the mechanisms of damage and acclimation of the photosynthetic apparatus due to high temperature.under heat stress,the organisms undergo first of all destabilization then followed by non-malisation and stability,when limits of tolerance are not exceeded and the adaptive capacity is not overtaxed.The influence of heat stress on PS Ⅱ and PS Ⅰ activity,lipid composition,protein content,CO 2 assimilation and antioxidant enzymes were described,and the processes leading to plant acclimation to high temperature were discussed.
出处 《农业系统科学与综合研究》 CSCD 北大核心 2002年第4期252-256,共5页 System Sciemces and Comprehensive Studies In Agriculture
基金 中国科学院知识创新工程重要方向项目 (KZCXZ -SW -4 16)部分内容
关键词 发生机理 热激蛋白 叶绿体 高温胁迫 光合器官 适应机理 acclimation ability heat stress photosynthetic activity
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