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    • 1. 发明申请
    • Materials and methods for tissue-specific targeting of ethylene insensitivity in transgenic plants
    • 在转基因植物中组织特异性靶向乙烯不敏感的材料和方法
    • US20080109918A1
    • 2008-05-08
    • US11823839
    • 2007-06-28
    • Harry KleeCoralie LashbrookLori Shrode
    • Harry KleeCoralie LashbrookLori Shrode
    • A01H5/00C07H21/04C12N15/82C12N5/04
    • C12N15/8266C07K14/415
    • The subject invention concerns materials and methods for controlling agricultural traits in plants that are mediated by the plant hormone ethylene. One aspect of the invention concerns a polynucleotide that comprises a sequence encoding a mutant ethylene receptor that is operably linked to a regulatory sequence that drives expression of the mutant receptor in a tissue-specific manner. In an exemplified embodiment, the mutant receptor sequence is an etr1-1 sequence, or a functional fragment or variant thereof, and the regulatory sequence is a promoter sequence from a cotton chitinase gene that can promote expression of the mutant ethylene receptor in abscission zone tissue of a plant. The subject invention also concerns plants and plant tissue transformed with the polynucleotide of the subject invention. Plants expressing the polynucleotide of the subject invention do not drop their flowers in response to exposure to ethylene.
    • 本发明涉及用于控制由植​​物激素乙烯介导的植物中的农业性状的材料和方法。 本发明的一个方面涉及一种多核苷酸,其包含编码突变体乙烯受体的序列,其与以驱动组织特异性方式驱动突变受体表达的调节序列可操作地连接。 在一个示例性实施方案中,突变体受体序列是etr1-1序列或其功能片段或变体,并且调节序列是来自棉花几丁质酶基因的启动子序列,其可促进突变乙烯受体在脱落区组织中的表达 的植物。 本发明还涉及用本发明的多核苷酸转化的植物和植物组织。 表达本发明多核苷酸的植物不会因暴露于乙烯而降花。