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作物在渗透胁迫下脯氨酸积累的研究进展 预览 被引量:39

Research progress on accumulation of proline under osmotic stress in crops
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摘要 脯氨酸被认为是一种有助于作物抵御渗透胁迫的相容渗透剂.脯氨酸在植物体中的合成与降解过程受到诸多因素的调节,脯氨酸积累的生物学功能主要包括细胞的渗透调节、氮代谢和能量代谢调节以及对膜系统的保护作用等几个方面.研究表明,不同农作物在渗透胁迫下脯氨酸积累的情况存在一定差异,脯氨酸积累与农作物抗渗透胁迫的关系尚未完全阐明,仍待进一步研究. Proline is thought to be a compatible osmolyte that can help crops to tolerate osmotic stress. The process of proline synthesis and decomposition is regulated by many factors. The main biological function of proline accumulation is assembled with the osmotic regulation of plant cells, the regulation of nitrogen and energy matebolism and the protection of cell membrane system. There is some differences in proline accumulation according to the variation of crops. The relationship between proline accumulation and osmotic tolerance has not been described clearly. Further related studies are still needed.
作者 齐永青 肖凯 李雁鸣 QI Yong qing,XIAO Kai,LI Yan ming(College of Agronomy, Agricultural University of Hebei, Baoding 071001, China)
出处 《河北农业大学学报》 CAS CSCD 北大核心 2003年第z1期 24-27,共4页 Journal of Agricultural University of Hebei
关键词 作物 渗透胁迫 脯氨酸 积累 crop osmotic stress proline accumulation
作者简介 齐永青(1977-),男,河北省高阳县人,在读硕士研究生,从事作物栽培生理研究工作.
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