植物锌铁转运相关蛋白家族的研究进展

摘要/Abstract

摘要： 锌和铁在植物的生长发育过程中参与体内的许多生化反应。锌、铁缺乏或过剩都会对植物产生一定的影响。因此，植物需要一系列金属转运体的协同工作以保持体内离子平衡。这些转运体可分为吸收蛋白和排出蛋白两大类，它们参与细胞内锌铁离子的跨膜运输，以及调节细胞内锌铁离子的平衡与分配。目前，植物细胞中锌铁转运蛋白的转录表达水平与锌铁离子在植物体中的积累与分布之间的联系已被揭示，并分离克隆了许多相关基因家族成员。综述近年来发现并鉴定出的参与锌铁转运的蛋白家族的表达、定位等相关的研究进展。

关键词: 锌, 铁, 转运蛋白, 蛋白家族

Abstract: Zinc and iron play virtual roles in plants development and involve in many biological functions. Zinc and iron deficiency or excess will cause harmful effects to plants. Therefore, metal transporters are essential for maintaining ion homeostasis. These metal transporters were classified into two groups, metal-uptake proteins and metal-efflux proteins. They are involved in the transmembrane-transporting and translocation of the intracellular zinc and iron, and regulating the homeostatic of zinc and iron. At present, many metal transporters have been identified and their expression profiles associated with zinc/iron accumulation and distribution have been described. The gene expression and protein localization of those zinc/iron-transporter families were reviewed in this article.

Key words: Zinc, Iron, Transporter, Protein family

李素贞, 陈景堂. 植物锌铁转运相关蛋白家族的研究进展[J]. 生物技术通报, 2013, 0(2): 8-14.

Li Suzhen, Chen Jingtang . Progresses in Studying of Protein Families Involved in Zn/Fe Transporting in Plants[J]. Biotechnology Bulletin, 2013, 0(2): 8-14.

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