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    • 104. 发明授权
    • Mutated 5-enolpyruvylshikimate-3-phosphate synthase, gene coding for said protein and transformed plants containing said gene
    • 突变的5-烯醇丙酮酸莽草酸-3-磷酸合酶,编码所述蛋白质的基因和含有所述基因的转化植物
    • US06566587B1
    • 2003-05-20
    • US08945144
    • 1998-01-20
    • Michel LebrunAlain SaillandGeorges FreyssinetEric Degryse
    • Michel LebrunAlain SaillandGeorges FreyssinetEric Degryse
    • C12N1582
    • C12N9/1092C12N15/8275
    • The present invention relates to DNA molecules of plant origin encoding a modified 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) enzyme wherein the a first EPSPS coding sequence that normally encodes a threonine residue of a mature EPSPS sequence is modified to encode isoleucine of the mature EPSPS sequence, and a second EPSPS coding sequence that normally encodes a proline residue of a mature EPSPS sequence is modified to encode serine of the mature EPSPS sequence, wherein the first and second residues are respectively located at relatively positions 102 and 106 of a mature EPSPS sequence encoded by said DNA molecule; and the production of a transgenic plant resistant or tolerant to a herbicide of the phosphonomethylglycine family, e.g., glyphosate. The mutated enzyme, which substantially maintains the catalytic activity of the wild-type enzyme, allows for increased tolerance or tolerance of the plant to a herbicide of the phosphonomethylglycine family, and allows for the substantially normal growth or development of the plant, its organs, tissues or cells.
    • 本发明涉及编码经修饰的5-烯醇丙酮酸莽草酸-3-磷酸合成酶(EPSPS)酶的植物来源的DNA分子,其中通常将编码成熟EPSPS序列的苏氨酸残基的第一EPSPS编码序列修饰为编码 修饰成熟的EPSPS序列,并且通常编码成熟EPSPS序列的脯氨酸残基的第二EPSPS编码序列被修饰以编码成熟EPSPS序列的丝氨酸,其中第一和第二残基分别位于成熟的EPSPS序列的相对位置102和106 由所述DNA分子编码的EPSPS序列; 以及产生对膦酰基甲基甘氨酸家族例如草甘膦的除草剂具有抗性或耐受性的转基因植物。 基本上保持野生型酶的催化活性的突变酶允许植物对膦酰基甲基甘氨酸家族的除草剂的耐受性或耐受性增加,并允许植物,其器官的基本正常生长或发育, 组织或细胞。
    • 105. 发明申请
    • Non-transgenic herbicide resistant plants
    • 非转基因除草剂抗性植物
    • US20030084473A1
    • 2003-05-01
    • US10214766
    • 2002-08-09
    • VALIGEN
    • Greg GocalPatricia AvissarMark KnuthPeter BeethamKeith Walker
    • A01H001/00C12N009/10C12N015/82C12N005/04
    • C12N15/8274C12N9/1092C12N15/8275
    • The present invention relates to the production of a non-transgenic plant resistant or tolerant to a herbicide of the phosphonomethylglycine family, e.g., glyphosate. The present invention also relates to the use of a recombinagenic oligonucleobase to make a desired mutation in the chromosomal or episomal sequences of a plant in the gene encoding for 5-enol pyruvylshikimate-3-phosphate synthase (EPSPS). The mutated protein, which substantially maintains the catalytic activity of the wild-type protein, allows for increased resistance or tolerance of the plant to a herbicide of the phosphonomethylglycine family, and allows for the substantially normal growth or development of the plant, its organs, tissues or cells as compared to the wild-type plant irrespective of the presence or absence of the herbicide. The present invention also relates to a non-transgenic plant cell in which the EPSPS gene has been mutated, a non-transgenic plant regenerated therefrom, as well as a plant resulting from a cross using a regenerated non-transgenic plant having a mutated EPSPS gene. The amino acids at the positions 126, 177, 207, 438, 479, 480 and/or 505 are changed tp produce a mutant EPSPS gene product.
    • 本发明涉及对膦酰甲基甘氨酸家族例如草甘膦的除草剂具有抗性或耐受性的非转基因植物的生产。 本发明还涉及重组型寡核苷酸在编码5-烯醇丙酮酸莽草酸-3-磷酸合成酶(EPSPS)的基因中的植物的染色体或附加型序列中进行所需的突变的用途。 基本上保持野生型蛋白质的催化活性的突变蛋白质允许植物对膦酰基甲基甘氨酸家族除草剂的抗性或耐受性增加,并允许植物,其器官的基本正常生长或发育, 组织或细胞,与野生型植物相比,无论是否存在除草剂。 本发明还涉及其中EPSPS基因已被突变的非转基因植物细胞,从其再生的非转基因植物以及由使用具有突变的EPSPS基因的再生非转基因植物的交叉产生的植物 。 位置126,177,207,438,479,480和/或505处的氨基酸被改变tp产生突变体EPSPS基因产物。