Sulfur dioxide acts as an antioxidant and regulates sulfur assimilatory metabolism in wheat aleurone

来源 :第十五届全国植物基因组学大会 | 被引量 : 0次 | 上传用户：axuxiao

【摘要】

：

【作者】

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Dongbo Zhu Yingxin Zhang Lanying Hu Hua Zhang Kangdi Hu

【机构】

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School of Biotechnology and Food Engineering,Hefei University of Technology,Hefei 230009,China

【出处】

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第十五届全国植物基因组学大会

【发表日期】

：

2014年3期

【关键词】

：

sulfur dioxide programmed cell death wheat aleurone layers antioxidant enzymes s

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Accumulating evidence show that sulfur dioxide participates in various biological processes in animals,but there is limited information on the regulatory role of SO2/sulfite in plants.Here we show that SO2 donor Na2SO3/NaHSO3(3∶1)alleviates programmed cell death(PCD)in wheat aleurone layers in a dose dependent manner with the optimal concentration of 100 μM.SO2 donor could decrease reactive oxygen species(ROS)accumulation in wheat aleurone cells and,could significantly enhance the activities of superoxide dismutase,catalase,ascorbate peroxidase and guaiacol peroxidase.

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Sulfur dioxide acts as an antioxidant and regulates sulfur assimilatory metabolism in wheat aleurone

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