水稻重金属镉代谢的生理和分子机制研究进展

doi:10.16035/j.issn.1001-7283.2020.01.001

摘要/Abstract

摘要：

水稻籽粒镉污染是一个世界范围内广泛存在和亟待解决的问题。有关控制镉积累的数量性状位点（QTL）和调节水稻镉积累及分配的重要功能基因被广泛研究和报道,揭示了水稻中镉积累的遗传多样性。本文主要回顾和总结水稻中镉的吸收、转运、积累和外排的生理和分子机制,概述目前学者们在培育“低镉大米”方面所做的一些研究,并讨论了降低籽粒中镉含量的现存问题及发展方向。

关键词: 水稻, 镉, 吸收与转运, 积累与外排, 基因工程

Abstract:

The cadmium (Cd) pollution in rice grains is a widespread problem that needs to be solved urgently. Quantitative trait locus (QTL) controlling Cd accumulation and important functional genes regulating Cd accumulation and distribution in rice have been extensively studied and reported. This paper mainly reviews and summarizes the physiological and molecular mechanisms of Cd uptake, transport, accumulation and exclusion in rice, in addition, we also summarized some of the current experimental results made by scholars in cultivating "low Cd rice", discussed existing problems and perspectives to reduce Cd in rice grains.

Key words: Rice (Oryza sativa L.), Cadmium, Absorption and transportation, Accumulation and exclusion, Genetic engineering

马卉,焦小雨,许学,李娟,倪大虎,许蓉芳,王钰,汪秀峰. 水稻重金属镉代谢的生理和分子机制研究进展[J]. 作物杂志, 2020 (1): 1–8

Ma Hui,Jiao Xiaoyu,Xu Xue,Li Juan,Ni Dahu,Xu Rongfang,Wang Yu,Wang Xiufeng. Advances in Physiological and Molecular Mechanisms of Cadmium Metabolism in Rice[J]. Crops, 2020(1): 1–8

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