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在国家自然科学基金重点项目“利用激素合成与传导基因改良棉花的纤维品质与产量”的资助下,西南大学生物技术研究中心裴炎课题组开展了棉花纤维发育的分子机理及基因工程改良的研究。该课题组研究发现,生长素在开花当天的纤维起始细胞中有高浓度积累,而IAA运输抑制剂处理棉花以及无纤维突变体的胚珠表皮细胞中没有这种高浓度积累,这
With the support from the National Natural Science Foundation of China and the project of “Improving fiber quality and yield of cotton by using hormone synthesis and transmission genes”, the team of Bi Yan at the Biotechnology Research Center of Southwest University carried out the molecular mechanism and gene engineering improvement of cotton fiber development Research. This group study found that auxin accumulated high concentrations in the fiber-initiating cells on the day of flowering, whereas IAA transport inhibitors did not accumulate this high concentration in the ovoid epidermal cells of cotton and fiber-free mutants, which