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Mg2+是植物细胞中含量最丰富的二价阳离子是叶绿素的重要组成成分,参与植物的光合作用和多种生理代谢过程,在植物生长发育过程中发挥重要作用。在自然界中受地质因素影响土壤中会出现镁缺乏和镁毒害的镁胁迫现象。植物体内存在一类Mg2+转运体,能够应答镁胁迫在植物细胞中调控Mg2+的吸收和转运以及维持细胞内Mg2+平衡方面发挥重要的作用。本研究将通过对拟南芥(Arabidopsis thaliana)和水稻(Oryza sativa)两种模式植物中已经报道的Mg2+转运体,在调控Mg2+转运的分子作用机制研究方面进行综述,以期对植物中Mg2+转运体的作用机制研究提供信息参考。
Abstract：Magnesium,the most abundant divalent cation in plant cells,is an important component of chlorophyll.Magnesium plays an important role in plant growth and development,which involves photosynthesis and various physiological metabolic processes.Deficiency or excess of magnesium in the soils will cause magnesium stress to plants,which may be attributed to geological conditions.There is a class of Mg2+ transporters that can respond to magnesium stress,regulate the uptake and transport of Mg2+,and maintain the homeostasis of Mg2+ in plant cells.In the present investigation,the study exhibits the research progress on molecular mechanisms of plant magnesium transporters in Arabidopsis thaliana and Oryza sativa under the magnesium stress conditions,and provides some useful information for the later investigation.
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基本信息:
DOI：10.13417/j.gab.039.004695
中图分类号:Q943.2
引用信息:
[1]李丽,张欣欣.植物Mg~(2+)转运体在镁胁迫下调控Mg~(2+)转运的分子机制研究进展[J].基因组学与应用生物学,2020,39(10):4695-4699.DOI:10.13417/j.gab.039.004695.
基金信息:
中央高校基本科研业务费专项资金项目(2572014DA06)资助
2020-10-25
2020-10-25