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題名 | Chilling Stress Effects on The Growth, Mitochondrial Activity and Protein Synthesis in Etiolated Mungbean Seedlings=低溫逆境對綠豆白化幼苗之生長、粒線體活性及其蛋白質合成之影響 |
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作者姓名(中文) | 陳益明; 劉心斐; 林秋榮; | 書刊名 | 國立臺灣大學理學院植物學系研究報告 |
卷期 | 36:3 1991.09[民80.09] |
頁次 | 頁277-290 |
分類號 | 434.12 |
關鍵詞 | 低溫逆境; 綠豆; 白化幼苗; 粒線體; 活性; 蛋白質合成; |
語文 | 英文(English) |
中文摘要 | 本研究此對低溫敏感的植物──綠豆為材料。在黑暗中萌芽32小時的綠豆幼苗,經4C處理不同時間後,分析其生長、粒線體活性及蛋白質合成能力等;其結果顯示下列各種現象接受到抑制:(一)幼苗的生長,(二)粒線體的succinate dehydrogenease活性;(三)幼苗的蛋白質合成能力。但低溫處理會導致幼苗在室溫下呼吸速率增快,且幼苗的組織也受到傷害,因此組織內容直的漏出物增加。在 低溫處理下所合成的35─蛋白質,經SDS─膠體電泳分析及後,其中有13種蛋白質帶是低溫誘導出的蛋白質;其分子量是110, 88, 78, 69, 58, 48, 38, 14, 12.5和10.5KD,其中88, 69, 58, 48, 38, 14, 12.5 and 10.5KD是主要的低溫誘導蛋白質。這些蛋白質完全與綠豆的熱休克蛋白質不同 |
英文摘要 | Mungbean (Vigna radiate L.), a chilling sensitive plant species, was used in this study. Seeds were germinated at 28 C in the dark for 32 H before cold treatment. The seedlings were chilled at 4 C for various durations. Growth, respiration rate, protein synthetic activity, cellular leakages and succinate dehydrogenase activity in isolated mitochondria were then determined. Chilling at r C suppressed seedling growth, increased solute leakages, suppressed succinate dehydrogenase activity in isolated mitochondria, inhibited general protein synthesis and induced the synthesis of a set of proteins termed chilling-induced proteins. The molecular weights of these chilling-induced proteins were110, 88, 78, 69, 58, 48, 38, 14, 12.5 and 10.5Kd were the major chilling-induced proteins of mungbean seedlings. These chilling-induced proteins were different from the heat shock proteins of mungbean seedlings. |
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