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5. 一粒小麦籽粒硬度基因Pinam,Pinbm,Gspm相关载体的构建及遗传转化

一粒小麦籽粒硬度基因Pinam,Pinbm,Gspm相关载体的构建及遗传转化

被引量 : 3次 | 上传用户：amies

【摘 要】

：

籽粒硬度对谷物的加工品质具有重要影响，在众多的小麦族植物（尤其是小麦）中，籽粒的硬度性状主要由5D短臂上的Hardness（Ha）位点的两个主效基因，即Puroindoline a（Pina-D1）和Puroindoline b（Pinb-D1）控制，同时受基因Grain SoftnessProtein-1（Gsp-1）的影响。这三个基因所表达的蛋白（friabilin）分散在小麦胚乳内，它与淀粉

【作 者】

：

于海燕 

【机 构】

：

山东农业大学

【发表日期】

：

2012年06期

【关键词】

：

小麦 籽粒硬度基因 遗传转化 

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籽粒硬度对谷物的加工品质具有重要影响，在众多的小麦族植物（尤其是小麦）中，籽粒的硬度性状主要由5D短臂上的Hardness（Ha）位点的两个主效基因，即Puroindoline a（Pina-D1）和Puroindoline b（Pinb-D1）控制，同时受基因Grain SoftnessProtein-1（Gsp-1）的影响。这三个基因所表达的蛋白（friabilin）分散在小麦胚乳内，它与淀粉粒表面的脂质相互作用影响着籽粒的硬度。本研究以一粒小麦（T. monococcum）DV92作为Pina

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