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Hydrogen Peroxide, Calcium, and Leaf Senescence in Rice

過氧化氫、鈣與水稻葉片老化

摘要


本研究探討鈣參與調控過氧化氫、脫落酸與甲基茉莉酸鹽所控制之過氧化氫產生、蛋白質喪失與脂質過氧化作用。氯化鈣與鈣離子載體(calcium ionophore)A23187均可有效的降低過氧化氫產生、蛋白質喪失與脂質過氧化作用。本研究結果顯示,脫落酸與甲基茉莉酸言之作用是由於其阻止鈣離子進入細胞質。

並列摘要


The possible involvement of calcium in the regulation of H2O2-, abscisic acid (ABA)- or methyl jasmonate (MJ)-induced H2O2 generation, protein loss, and lipid peroxidation in detached rice (Oryza sativa L.) leaves was investigated. Calcium chloride and calcium ionophore A23187 effectively reduced H2O2-promoted ABA- or MJ-induced H2O2 generation, protein loss, and lipid peroxidation in detached rice leaves. It appears that ABA- or MJ-induced H2O2 generation, protein loss, and lipid peroxidation in rice leaves is mediated through blocking the entrance of calcium ions into the cytosol.

被引用紀錄


林旻翰(2012)。根砧與預施氯化鈣對西瓜淹水期間生理之影響〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2012.01564

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