水稻铁吸收、转运及调控的分子机制研究进展

doi:10.16288/j.yczz.16-411

遗传 ›› 2017, Vol. 39 ›› Issue (5): 388-395.doi: 10.16288/j.yczz.16-411

水稻铁吸收、转运及调控的分子机制研究进展

郭明欣(),郑玲,赵旭升()

洛阳师范学院生命科学学院,洛阳 471000

收稿日期:2016-12-05 修回日期:2017-03-10 出版日期:2017-03-27 发布日期:2017-12-25
作者简介:郭明欣,博士,讲师,研究方向：植物耐逆的分子机理。E-mail: guomingxin1984@126.com|赵旭升,教授,研究方向：植物分子育种。E-mail: 15736750861@163.com
基金资助:
河南省科技攻关计划项目(162102110160,152102110098);河南省高等学校重点科研项目(16B220003)

Iron uptake, translocation and regulation in rice

Guo Mingxin(),Zheng Ling,Zhao Xusheng()

College of Life Science, Luoyang Normal University, Luoyang 471000, China

Received:2016-12-05 Revised:2017-03-10 Online:2017-03-27 Published:2017-12-25
Supported by:
the Key Science and Technology Program of Henan Province(162102110160,152102110098);Key Scientific Research Project for Higher Education of Henan Province(16B220003)

摘要/Abstract

摘要：

铁是水稻生长和发育所必需的营养元素之一。研究表明,水稻既可以以螯合物的形式从土壤中吸收Fe³⁺、Fe²⁺,又可以直接转运根际土壤中游离的Fe²⁺。科研人员已经鉴定了很多参与铁离子吸收和转运的重要分子元件,包括转运蛋白、酶、螯合物等,同时也挖掘了部分调控这些分子元件表达的上游基因。碱性土壤的高pH值影响水稻对铁离子的吸收和利用,因此,科研人员通过改良碱性土壤中铁离子的利用效率来改良水稻的耐碱性,并取得了一定的成效。本文主要对上述内容进行了综述,并对该领域未来的研究方向进行了展望。

关键词: 铁离子, 吸收和转运, 麦根酸, 耐碱性

Abstract:

Iron is essential for growth and development of rice, which is able to take up Fe³⁺-phytosiderophore, Fe²⁺-nicotianamine and free Fe²⁺. Researchers have uncovered key molecular components including transporters, enzymes, and chelators involved in iron uptake and translocation, as well as factors regulating the expression of these genes in rice. Manipulation of these molecular components has produced transgenic rice with enhanced tolerance to alkaline stress on calcareous soils with low-Fe availability due to high soil pH. In this review, we mainly summarize the molecular mechanisms of iron uptake, translocation, and regulation in rice, and discuss some perspectives of this field.

Key words: iron, uptake and translocation, mugineic acid, alkaline tolerance

郭明欣,郑玲,赵旭升. 水稻铁吸收、转运及调控的分子机制研究进展[J]. 遗传, 2017, 39(5): 388-395.

Guo Mingxin,Zheng Ling,Zhao Xusheng. Iron uptake, translocation and regulation in rice[J]. Hereditas(Beijing), 2017, 39(5): 388-395.

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水稻铁吸收、转运及调控的分子机制研究进展

Iron uptake, translocation and regulation in rice

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