Sun Cunhua, Du Wei, Xu Xinna, Cheng Xiangling, Zhang Yahong
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引用次数: 4
Abstract
In this paper,the effect of drought stress on drought-induced protein in leaves of Chenopodium album L.is studied using the SDS-PAGE method.The results show that,on the tenth day of drought stress,the polypeptides with molecular weights of approximate 110.3 KD,103.9 KD,24.8KD,22.7KD and 21.0KD on SDS-PAGE gel were remarkably increased under moderate drought stress,and the polypeptides with molecular weights of approximate 22.7KD and 21.0KD were remarkably increased under severe drought stress,but were much lower than that under moderate drought stress;on the fifteenth day of drought stress,the polypeptides with molecular weights of approximate 110.3 KD,103.9 KD,26.4KD,24.8KD,22.7KD,21.0KD and 19.2KD were remarkably increased under moderate drought stress.It is revealed that the expression of gene which is more adaptable to drought stress and more resistant to drought is induced,or the expression of some gene is increased and results in the appearance of some new protein,or the content of some protein is increased and the drought-resistant capacity of Chenopodium album L.is enhanced.
采用SDS-PAGE方法研究了干旱胁迫对Chenopodium album l .叶片中干旱诱导蛋白的影响。结果表明，在干旱胁迫第10天，中度干旱胁迫下SDS-PAGE凝胶上分子量为110.3 KD、103.9 KD、24.8KD、22.7KD和21.0KD的多肽数量显著增加，重度干旱胁迫下分子量为22.7KD和21.0KD的多肽数量显著增加，但远低于中度干旱胁迫110.3 KD、103.9 KD、26.4KD、24.8KD、22.7KD、21.0KD和19.2KD在中度干旱胁迫下显著增加。结果表明，这可能是诱导了对干旱胁迫适应性强、抗旱能力强的基因的表达，或者增加了某些基因的表达，从而产生了一些新的蛋白质，或者增加了某些蛋白质的含量，从而增强了藜麦的抗旱能力。
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