植物吸收和转运铁的分子生理机制研究进展

被引:34
作者
申红芸
熊宏春
郭笑彤
左元梅
机构
[1] 中国农业大学资源与环境学院植物营养系
基金
高等学校博士学科点专项科研基金;
关键词
铁; 植物; 吸收与转运; 分子生理机制;
D O I
暂无
中图分类号
S184 [农业植物学];
学科分类号
09 ;
摘要
铁是植物正常生命活动过程中的必需微量元素之一。由于土壤中铁的有效性很低,导致植物极易缺铁,不仅影响作物的产量和品质,而且影响人类微量元素健康,因此如何通过生物强化达到人类铁营养状况改善的目的是目前该研究领域关注的热点。本文就近5年来植物铁吸收、体内转运、子粒中积累等重要生物过程的分子生理机制的研究进展进行了详细阐述,其中对水稻兼备机理Ⅰ和机理Ⅱ铁吸收机制有了新的认识,而且发现YSL蛋白家族在植物铁吸收、转运和子粒积累过程中的重要性。同时,讨论了利用上述机制的研究结果通过基因工程和农学措施改善植物铁营养和提高作物子粒铁富集的技术途径。
引用
收藏
页码:1522 / 1530
页数:9
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