Involvement of Plasma Membrane Ca2＋/H＋ Antiporter in Cd2＋ Tolerance

Cation exchangers （CAXs） belong to the cation/Ca2＋exchanger superfamily which have been extensively investigated in plant tonoplasts over the last decade. Recently, the roles of CAXs involved in heavy metal accumulation and tolerance in plants have been studied for phytoremediation and food security...

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Bibliographic Details
Published in:Rice science 2012-06, Vol.19 (2), p.161-165
Main Authors: SHEN, Guo-ming, DU, Qi-zhen, WANG, Jiang-xin
Format: Article
Language:English
Subjects:
Ca2+/H+ antiporter
Cd2+ detoxification
heavy metal
plasma membrane
rice
耐受性
质膜
转运蛋白
逆向
重金属积累
重金属解毒
钙信号转导
阳离子交换
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Summary:Cation exchangers （CAXs） belong to the cation/Ca2＋exchanger superfamily which have been extensively investigated in plant tonoplasts over the last decade. Recently, the roles of CAXs involved in heavy metal accumulation and tolerance in plants have been studied for phytoremediation and food security. In this mini review, we summarize the roles of the Ca2＋/H＋ antiporter in Ca2＋ signal transduction, maintaining ion homeostasis and sequestering heavy metals into the vacuole. Moreover, we present a possible role of the plasma membrane Ca2＋/H＋ antiporter in heavy metal detoxification.
ISSN:1672-6308
1876-4762
DOI:10.1016/S1672-6308(12)60035-3