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    • 71. 发明公开
    • Modified plant defensin
    • 修饰植物防御素
    • EP2762498A1
    • 2014-08-06
    • EP13179127.9
    • 2008-04-18
    • Hexima Limited
    • Anderson, Marilyn AnneHeath, Robyn LouiseLay, Fung TsoPoon, Simon
    • C07K19/00C07K14/415C07K2/00C12N15/62C12N15/63C12N15/29
    • C12N15/8257C07K14/415C07K2319/00C12N15/8282
    • The invention herein includes a general method for reducing or eliminating a toxic effect of transgenic defensin expression in a host plant. The invention also includes a method of modifying a nucleic acid encoding a defensin, a nucleic acid modified thereby and a modified defensin encoded by the modified nucleic acid sequence. The invention also includes a transgenic plant containing and expressing the modified defensin-coding nucleic acid sequence, the plant exhibiting reduced or eliminated toxic effects of defensin, compared with otherwise comparable transgenic plants expressing an unmodified defensin. The modified defensin is termed a chimeric defensin having a mature defensin domain of a first plant defensin combined with a C-terminal propeptide domain of a second plant defensin or a vacuolar translocation peptide.
    • 本发明包括用于减少或消除宿主植物中转基因防御素表达的毒性效应的一般方法。 本发明还包括修饰编码防御素的核酸,由其修饰的核酸和由修饰的核酸序列编码的修饰的防御素的方法。 本发明还包括含有并表达修饰的防御素编码核酸序列的转基因植物,与其他可比较的表达未修饰防御素的转基因植物相比,该植物表现出降低或消除防御素的毒性作用。 修饰的防卫素被称为嵌合防卫素,其具有第一植物防御素的成熟防御素结构域与第二植物防御素的C-末端前肽结构域或液泡转位肽的组合。