Transcriptional Profiling of Flower Buds in Three Types of Male Sterile Lines Compared to Their Maintainer Line and Characterization of Three Genes Involved in Pollen Development in Brassica Campestris L.
利用植物雄性不育特性来选育雄性不育系是作物杂种优势利用中简化制种程序、降低制种成本的重要手段。十字花科作物是杂种优势利用最为普遍的一类作物，雄性不育系(简称不育系)是其生产一代杂种的理想系统。但植物雄性不育产生的机理极其复杂，至今尚未完全解开。花粉败育是植物雄性不育发生的表型体现，弄清花粉发育的全过程和分子机理是研究雄性不育的基础和关键所在。花粉发育涉及众多基因的表达调控，从转录组入手分析花粉发育突变体是获得花粉基因动态表达的途径之一，并可获得较大数目的花粉发育相关基因，有助于在整体水平上理解花粉发育的特征和花粉发育的分子调控机制。本文在获得共享同一保持系(核不育两用系的可育株系)的白菜(Brassica campestris L．ssp．chinensis Makino，syn．B．rapa ssp．chinensis)‘矮脚黄’核不育(‘Aijiaohuang’genic male sterility，ajhGMS)两用系‘Bcajh97-01A／B’、‘Polima’核质互作不育(polima genic-cytoplasmic male sterility，polG-CMS)系...
【英文摘要】
The application of male sterility becomes an important way in heterosis breeding to simplify the seed production procedures and reduce the production cost. The utilization of hererosis is prevalent in cruciferae crops breeding, and the male sterile line is a useful system for their hybrid seed production. However, the occurrence and the mechanism of plant male sterility still remain mysteries that have not been unveiled thoroughly. For male sterility mainly manifests in pollen abortion, to make...
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