作物抗旱基因研究進(jìn)展及在馬鈴薯抗旱種質(zhì)創(chuàng)新中的應(yīng)用
[Abstract]:The 68 genes related to drought resistance that have been published in recent years, including transcription factors, increased osmotic accumulation, detoxification and antioxidant stress, and control of biosynthesis of crop macromolecules, have been sorted out and analyzed. The mechanism and application of these genes in crop drought resistance were analyzed. It is concluded that transcription factors are mainly by activating or inhibiting the expression of downstream drought-related genes, and the genes related to osmotic regulation are mainly to maintain the internal and external osmotic balance of cells. The genes with detoxification and antioxidant stress are mainly through scavenging the accumulation of reactive oxygen species. The genes related to biosynthesis of biomolecules can produce some stress proteins during stress and thus improve the stress tolerance of crops. At the same time, the current situation and existing problems of potato germplasm improvement by genetic engineering were analyzed.
【作者單位】: 甘肅省作物遺傳改良與種質(zhì)創(chuàng)新重點(diǎn)實(shí)驗(yàn)室甘肅省干旱生境作物學(xué)重點(diǎn)實(shí)驗(yàn)室;甘肅農(nóng)業(yè)大學(xué)農(nóng)學(xué)院;甘肅農(nóng)業(yè)大學(xué)園藝學(xué)院;
【基金】:國家自然科學(xué)基金(31460369) 甘肅科技基金(1308RJZA131,1308RJIA005) 中科院西部之光項(xiàng)目 蘭州科技研究項(xiàng)目(2013-4-156)
【分類號】:S532;S188
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