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

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

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Iron uptake, translocation and regulation in rice

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

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)

Abstract

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

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

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