2012Acta Ecologica SinicaOpen access

Effects of alginate cerium complexes on ascorbate-glutathione cycle in spinach leaves under chlorpyrifos stress

栾霞 LUAN Xia, 陈振德 CHEN Zhende, 汪东风 WANG Dongfeng, 曹委 CAO Wei

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Abstract

以菠菜(Spinacia oleracea L.)为材料,研究了毒死蜱胁迫下海藻酸铈配合物对菠菜叶片抗坏血酸-谷胱甘肽循环的影响。结果表明,在毒死蜱胁迫下,菠菜叶片中 H2O2积累量比对照明显增加,非酶促抗氧化物质-抗坏血酸 (AsA)和还原型谷胱甘肽 (GSH) 含量明显降低, 抗坏血酸过氧化物酶(APX)、谷胱甘肽还原酶(GR)、脱氢抗坏血酸还原酶(DHAR)和单脱氢抗坏血酸还原酶(MDAR)的活性明显升高。在毒死蜱胁迫下,喷施不同浓度的海藻酸铈配合物使菠菜叶片中的H2O2积累量减少,AsA和GSH含量升高,APX、GR、DHAR和MDAR等抗氧化酶活性也有所提高,缓解了毒死蜱胁迫。试验表明, 适宜浓度的海藻酸铈配合物处理可使菠菜叶片对毒死蜱胁迫有一定的缓解作用。

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以菠菜(Spinacia oleracea L.)为材料,研究了毒死蜱胁迫下海藻酸铈配合物对菠菜叶片抗坏血酸-谷胱甘肽循环的影响。结果表明,在毒死蜱胁迫下,菠菜叶片中 H2O2积累量比对照明显增加,非酶促抗氧化物质-抗坏血酸 (AsA)和还原型谷胱甘肽 (GSH) 含量明显降低, 抗坏血酸过氧化物酶(APX)、谷胱甘肽还原酶(GR)、脱氢抗坏血酸还原酶(DHAR)和单脱氢抗坏血酸还原酶(MDAR)的活性明显升高。在毒死蜱胁迫下,喷施不同浓度的海藻酸铈配合物使菠菜叶片中的H2O2积累量减少,AsA和GSH含量升高,APX、GR、DHAR和MDAR等抗氧化酶活性也有所提高,缓解了毒死蜱胁迫。试验表明, 适宜浓度的海藻酸铈配合物处理可使菠菜叶片对毒死蜱胁迫有一定的缓解作用。

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Available abstract

以菠菜(Spinacia oleracea L.)为材料,研究了毒死蜱胁迫下海藻酸铈配合物对菠菜叶片抗坏血酸-谷胱甘肽循环的影响。结果表明,在毒死蜱胁迫下,菠菜叶片中 H2O2积累量比对照明显增加,非酶促抗氧化物质-抗坏血酸 (AsA)和还原型谷胱甘肽 (GSH) 含量明显降低, 抗坏血酸过氧化物酶(APX)、谷胱甘肽还原酶(GR)、脱氢抗坏血酸还原酶(DHAR)和单脱氢抗坏血酸还原酶(MDAR)的活性明显升高。在毒死蜱胁迫下,喷施不同浓度的海藻酸铈配合物使菠菜叶片中的H2O2积累量减少,AsA和GSH含量升高,APX、GR、DHAR和MDAR等抗氧化酶活性也有所提高,缓解了毒死蜱胁迫。试验表明, 适宜浓度的海藻酸铈配合物处理可使菠菜叶片对毒死蜱胁迫有一定的缓解作用。

Key concepts: Spinach, Chlorpyrifos, Glutathione, Chemistry, Antioxidant, Spinacia, Food science, Pesticide

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Effects of alginate cerium complexes on ascorbate-glutathione cycle in spinach leaves under chlorpyrifos stress — Research Paper | ScholarLens