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概述了细胞壁蛋白质膨胀素 (Expansin)的发现、作用机制、基因家族、功能和研究现状。重点论述了膨胀素在果实完熟中的作用及其与细胞壁酶之间的相互关系 ,提出了利用转基因技术调节果实完熟和软化的新策略
The discovery, mechanism of action, gene family, function and research status of cell wall protein Expansin are summarized. Emphatically discusses the role of swollenin in fruit ripening and its relationship with cell wall enzymes, and proposes a new strategy of using transgenic technology to regulate fruit ripening and softening