病程相关蛋白与植物抗病性关系的研究及其在草坪草抗病育种中的应用

植物被各类病原物侵染后，发生一系列的生理生化变化，包括细胞壁变厚，产生植保素以及防御相关蛋白。本研究从病程相关蛋白编码基因的诱导和表达、在植物组织细胞中的分布和运输、生物学功能与抗病性的关系、转基因植物的研究等方面依次进行总结，并对草坪病害的研究进展以及病程相关蛋白在草坪草等植物抗病育种工作中的作用与前景进行了讨论。关键词：病程相关蛋白；植物抗病性；病害；抗病育种；草坪草

Research on relationships of pathogenesis-related proteins with plant disease resistance and their application in turfgrass disease-resistance breeding

When plants are infected by any kinds of pathogen,they cause a series of physiological and biochemical changes,including the reinforcement of cell walls,the production of phytoalexins,and the synthesis of defense-related proteins.Studies of pathogenesis-related proteins(PRs) in induction and expression of encoding genes,their localization and transportation in plant tissues and cells,relationships between their biological functions and plant disease resistance,and research on transgenic plants are reviewed here.Studies on diseases in turfgrass and the prospect for application of PRs to disease-resistance breeding of turfgrasses as well as other plants are also discussed in this paper.