本论文以正向遗传学的方法研究花药及花粉发育过程的基因功能，主要利用图位克隆的方法从拟南芥雄性不育突变体中克隆相应的基因。
In this dissertation we focused on the function of genes associated with anther and pollen development including map-based cloning of Arabidopsis genes from male sterile mutants.
ORF 17蛋白的表达时期也是原因之一，在花粉期的不同阶段也会影响ORF77、ORF17蛋白功能的发挥，不能引起雄性不育。
The expression period of the protein is also very important, different phase of pollen period affected the function of the protein ORF77, ORF17, cann't cause cytoplasmic male sterility.
植物细胞质雄性不育(CMS)是指植物不能产生具有正常功能的花粉。
Plants with cytoplasmic male sterility (CMS) failed to produce viable pollen, and this was resulted from dysfunctional mitochondrial DNA.
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