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Expression Analysis of Polyubiquitin Gene in Hevea brasiliensis
Author(s): 
Pages: 32-35
Year: Issue:  3
Journal: CHINESE JOURNAL OF TROPICAL CROPS

Keyword:  巴西橡胶树Polyubiquitin基因表达;
Abstract: 研究中发现橡胶树胶乳中的橡胶粒子膜上存在遍在蛋白(Ubiquitin),天然橡胶就是在橡胶粒子上合成的,一些与橡胶合成相关的酶或蛋白就位于橡胶粒子膜上.为了探讨多聚遍在蛋白(Polyubiquitin)基因在天然橡胶合成中可能的调节作用,对橡胶树Polyubiquitin基因的表达进行了研究.Northem blot分析表明,Polyubiquitin基因在橡胶树叶片、树皮和胶乳中都表达,在胶乳中的表达量比叶片和树皮中的高.用外源乙烯和茉莉酸处理的未开割橡胶树和开割橡胶树进行处理后,均可引起Polyubiquitin基因表达增强,未开割橡胶树对外源乙烯和茉莉酸处理比开割橡胶树的反应敏感.
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