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刘云霞, 张卫, 孙国新. 拟南芥体内水杨酸对砷积累的影响[J]. 环境化学, 2011, 30(11): 1931-1935.
引用本文: 刘云霞, 张卫, 孙国新. 拟南芥体内水杨酸对砷积累的影响[J]. 环境化学, 2011, 30(11): 1931-1935.
shu
LIU Yunxia, ZHANG Wei, SUN Guoxin. THE EFFECT OF SALICYLIC ACID ON ARSENIC ACCUMULATION IN ARABIDOPSIS[J]. Environmental Chemistry, 2011, 30(11): 1931-1935.
Citation: LIU Yunxia, ZHANG Wei, SUN Guoxin. THE EFFECT OF SALICYLIC ACID ON ARSENIC ACCUMULATION IN ARABIDOPSIS[J]. Environmental Chemistry, 2011, 30(11): 1931-1935.
shu

拟南芥体内水杨酸对砷积累的影响

  • 1.

    中国科学院生态环境研究中心, 北京, 100085

  • 基金项目:

    国家自然科学基金项目(40973058)

    国家水体污染控制与治理科技重大专项(2009ZX07212-001-05)资助.

THE EFFECT OF SALICYLIC ACID ON ARSENIC ACCUMULATION IN ARABIDOPSIS

  • 1.

    Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China

  • Fund Project:

  • 摘要: 采用拟南芥野生型和水杨酸合成缺失突变体sid2,对砷的积累进行了实验研究.发现两种拟南芥地上部对砷的积累都随着砷暴露浓度的提高和暴露时间的延长而增加,但突变体sid2体内的水杨酸含量低于野生型,其体内积累的砷浓度明显低于野生型;并且野生型体内水杨酸含量与砷浓度存在显著的线型关系(R2 = 0.76).可能是由于水杨酸参与了植物体内砷的转运或参与调节有关重金属转运和积累相关蛋白的合成,从而造成砷的积累.
    Abstract: Salicylic acid plays an important role against metal/metalloid stress to plant. As accumulation in Arabidopsis was investigated by wild type and sid2 (salicylic acid induction deficient). Results showed that As accumulation in shoots was increased in both types of Arabidopsis with the increase of exposed As concentration and exposure time. The contents of salicylic acid in sid2 were much lower than those of corresponding wild type and As levels in sid2 were lower than those in the wild type as well. The significant linear relationship (R2 = 0.76) was observed in this investigation. Probably salicylic acid was involved in the As translocation in plants or in the synthesis of proteins for transferring or accumulating As in plants, which cause As accumulation in the shoots of plants.
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  • 收稿日期:  2011-05-13
刘云霞, 张卫, 孙国新. 拟南芥体内水杨酸对砷积累的影响[J]. 环境化学, 2011, 30(11): 1931-1935.
引用本文: 刘云霞, 张卫, 孙国新. 拟南芥体内水杨酸对砷积累的影响[J]. 环境化学, 2011, 30(11): 1931-1935.
shu
LIU Yunxia, ZHANG Wei, SUN Guoxin. THE EFFECT OF SALICYLIC ACID ON ARSENIC ACCUMULATION IN ARABIDOPSIS[J]. Environmental Chemistry, 2011, 30(11): 1931-1935.
Citation: LIU Yunxia, ZHANG Wei, SUN Guoxin. THE EFFECT OF SALICYLIC ACID ON ARSENIC ACCUMULATION IN ARABIDOPSIS[J]. Environmental Chemistry, 2011, 30(11): 1931-1935.
shu

拟南芥体内水杨酸对砷积累的影响

  • 1. 中国科学院生态环境研究中心, 北京, 100085
  • 收稿日期:  2011-05-13
基金项目:

国家自然科学基金项目(40973058)

国家水体污染控制与治理科技重大专项(2009ZX07212-001-05)资助.

摘要: 采用拟南芥野生型和水杨酸合成缺失突变体sid2,对砷的积累进行了实验研究.发现两种拟南芥地上部对砷的积累都随着砷暴露浓度的提高和暴露时间的延长而增加,但突变体sid2体内的水杨酸含量低于野生型,其体内积累的砷浓度明显低于野生型;并且野生型体内水杨酸含量与砷浓度存在显著的线型关系(R2 = 0.76).可能是由于水杨酸参与了植物体内砷的转运或参与调节有关重金属转运和积累相关蛋白的合成,从而造成砷的积累.

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