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    • 2. 发明授权
    • Genetic control of ethylene biosynthesis in plants using
S-adenosylmethionine hydrolase
    • 使用S-腺苷甲硫氨酸水解酶对植物进行乙烯生物合成的遗传控制
    • US5416250A
    • 1995-05-16
    • US255833
    • 1994-06-08
    • Adolph J. FerroRichard K. BestwickLyle R. Brown
    • Adolph J. FerroRichard K. BestwickLyle R. Brown
    • C12N9/14C12N15/82A01H4/00
    • C12N15/8222C12N15/8235C12N15/8249C12N9/14
    • A method for control of ethylene biosynthesis in plants comprising a vector containing a selective gene under plant promoter control, and a DNA insert comprising codons for a functional heterologous polypeptide having AdoMetase activity and flanked by a plant promoter on one side and a polyA signal sequence on the other side; and,transforming a plant host with said vector wherein the plant host transformed thereby is capable of expressing the heterologous polypeptide having AdoMetase activity under the control of said control region. The presence of the AdoMetase gene and the expression of AdoMetase in transgenic plants lowers AdoMet levels and generates an inhibitor of ACC synthase causing a corresponding decrease in ethylene biosynthesis and precursor availability. The current construction of transgenic plants containing a copy(s) of the T3 AdoMetase gene allow for construction of plants that will control ethylene biosynthesis under restricted conditions resulting in fruits, vegetables, and flowers which have been modified internally to improve shelf life and preservation qualities.
    • 一种用于在植物中控制乙烯生物合成的方法,其包含在植物启动子控制下含有选择性基因的载体,以及DNA插入片段,其包含具有AdoMetase活性的功能性异源多肽的密码子,并且侧面有一侧的植物启动子和polyA信号序列 另一边; 并且用所述载体转化植物宿主,其中由此转化的植物宿主能够在所述对照区域的控制下表达具有AdoMetase活性的异源多肽。 AdoMetase基因的存在和AdoMetase在转基因植物中的表达降低了AdoMet水平,并产生了ACC合成酶的抑制剂,导致乙烯生物合成和前体可用性的相应降低。 目前,含有T3 AdoMetase基因拷贝的转基因植物的构建允许在限制条件下控制乙烯生物合成的植物的构建,从而在内部进行改良以改善保质期和保存性质的水果,蔬菜和鲜花 。
    • 3. 发明授权
    • Genetic control of ethylene biosynthesis in plants
    • 植物中乙烯生物合成的遗传控制
    • US5589623A
    • 1996-12-31
    • US360974
    • 1994-12-20
    • Adolph J. FerroRichard K. BestwickLyle R. Brown
    • Adolph J. FerroRichard K. BestwickLyle R. Brown
    • C12N9/14C12N15/82A01H4/00
    • C12N15/8222C12N15/8235C12N15/8249C12N9/14
    • A method for control of ethylene biosynthesis in plants comprising a vector containing a selective gene under plant promoter control, and a DNA insert comprising codons for a functional heterologous polypeptide having AdoMetase activity and flanked by a plant promoter on one side and a polyA signal sequence on the other side; and, transforming a plant host with said vector wherein the plant host transformed thereby is capable of expressing the heterologous polypeptide having AdoMetase activity under the control of said control region. The presence of the AdoMetase gene and the expression of AdoMetase in transgenic plants lowers AdoMet levels and generates an inhibitor of ACC synthase causing a corresponding decrease in ethylene biosynthesis and precursor availability. The current construction of transgenic plants containing a copy(s) of the T3 AdoMetase gene allow for construction of plants that will control ethylene biosynthesis under restricted conditions resulting in fruits, vegetables, and flowers which have been modified internally to improve shelf life and preservation qualities.
    • 一种用于在植物中控制乙烯生物合成的方法,其包含在植物启动子控制下含有选择性基因的载体,以及DNA插入片段,其包含具有AdoMetase活性的功能性异源多肽的密码子,并且侧面有一侧的植物启动子和polyA信号序列 另一边; 并且用所述载体转化植物宿主,其中由此转化的植物宿主能够在所述对照区域的控制下表达具有AdoMetase活性的异源多肽。 AdoMetase基因的存在和AdoMetase在转基因植物中的表达降低了AdoMet水平,并产生了ACC合成酶的抑制剂,导致乙烯生物合成和前体可用性的相应降低。 目前,含有T3 AdoMetase基因拷贝的转基因植物的构建允许在限制条件下控制乙烯生物合成的植物的构建,从而在内部进行改良以改善保质期和保存性质的水果,蔬菜和鲜花 。