Jute fiber,extracted from vegetative organ stem bast,is one of the most important natural *** the molecular mechanisms of the vegetative growth of the jute and the formation and development of bast fiber is essential ...
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Jute fiber,extracted from vegetative organ stem bast,is one of the most important natural *** the molecular mechanisms of the vegetative growth of the jute and the formation and development of bast fiber is essential for improving the yield and quality of the jute ***,only 838 expressed tag sequences(ESTs)of jute deposited in public databases are far from sufficient to understand the molecular *** this study,we used high-throughput
DDF1(Dwarf and Deformed Flower 1)是控制水稻生长发育的重要调节基因。为了进一步分析DDF1对水稻生长与发育的影响,我们构建了DDF1的抑制表达和增强表达载体并转化水稻品种中花15。结果显示,DDF1表达量下降的转基因水稻的表型类似于...
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DDF1(Dwarf and Deformed Flower 1)是控制水稻生长发育的重要调节基因。为了进一步分析DDF1对水稻生长与发育的影响,我们构建了DDF1的抑制表达和增强表达载体并转化水稻品种中花15。结果显示,DDF1表达量下降的转基因水稻的表型类似于功能缺失突变体ddf1-1,表现为植株矮化、叶片细小,小穗中浆片同源转变为稃片,雄蕊不育且畸形,雌蕊可育;而DDF1增强表达的转基因植株营养生长正常,但大部分小穗发育异常,尤其是稃片和雄蕊数目明显增加。因此,通过调节该基因的表达量可以显著影响水稻的株型和育性。
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