两个垩白突变体的鉴定及突变基因的图位克隆

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水稻是世界上最重要的粮食作物,而且是分子生物学研究的模式植物,水稻产量和稻米品质对于维护世界粮食安全发挥重要作用。垩白是稻米胚乳中一种白色而不透明的现象,其不但影响着稻米的外观品质,还对加工品质、食味品质等产生较大影响。因此挖掘垩白相关突变体,了解胚乳灌浆过程调控,深入研究影响胚乳发育的分子机制和遗传调控途径,对于提高水稻产量,改良稻米品质具有非常重要的意义。本研究从中花11的EMS突变体库中筛选出两个稳定遗传的垩白突变体eb6、eb7,对它们进行理化特性分析、精细定位、候选基因功能验证、基因核酸多
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