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    • 1. 发明授权
    • Early endosperm promoter eep2
    • 早期胚乳启动子eep2
    • US08049000B2
    • 2011-11-01
    • US12463450
    • 2009-05-11
    • Timothy G HelentjarisXiaomu Niu
    • Timothy G HelentjarisXiaomu Niu
    • C12N15/29
    • C12N15/8234C12N9/0032C12N9/1085C12N15/8243C12N15/8261C12N15/8271C12N15/8295Y02A40/146
    • This invention relates generally to the field of plant molecular biology. More specifically, this invention relates to methods and reagents for the temporally- and/or spatially-regulated expression of genes, particularly in plant seeds and related female reproductive tissue. Compositions comprise novel nucleotide sequences for a seed-preferred promoter known as eep2. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises transforming a plant cell to comprise a heterologous nucleotide sequence operably linked to one of the promoters of the present invention and regenerating a stably transformed plant from the transformed plant cell.
    • 本发明一般涉及植物分子生物学领域。 更具体地,本发明涉及用于时间和/或空间调节基因表达的方法和试剂,特别是在植物种子和相关的雌性生殖组织中。 组合物包含称为eep2的种子优选启动子的新型核苷酸序列。 提供了使用本文公开的启动子序列在植物中表达异源核苷酸序列的方法。 该方法包括转化植物细胞以包含与本发明的启动子之一可操作地连接的异源核苷酸序列,并从转化的植物细胞再生稳定转化的植物。
    • 5. 发明授权
    • Modulation of cytokinin activity in plants
    • 植物中细胞分裂素活性的调节
    • US07531723B2
    • 2009-05-12
    • US10817483
    • 2004-04-02
    • Jeffrey E. HabbenChris ZinselmeierDwight T. TomesTimothy G. Helentjaris
    • Jeffrey E. HabbenChris ZinselmeierDwight T. TomesTimothy G. Helentjaris
    • C12N15/82A01H5/00A01H5/10
    • C12N15/8234C12N9/0032C12N9/1085C12N15/8243C12N15/8261C12N15/8271C12N15/8295Y02A40/146
    • This invention relates generally to the field of plant molecular biology. More specifically, this invention relates to methods and reagents for the temporally- and/or spatially-regulated expression of genes that affect metabolically effective levels of cytokinins in plants, particularly in plant seeds and related female reproductive tissue. This invention further relates to transgenic plants having enhanced levels of cytokinin expression wherein the transgenic plant exhibits useful characteristics, such as improved seed size, decreased tip kernel abortion, increased seed set during unfavorable environmental conditions, or stability of yield. The present invention also provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions comprise novel nucleotide sequences for seed-preferred promoters known as eep1 and eep2. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises transforming a plant cell to comprise a heterologous nucleotide sequence operably linked to one of the promoters of the present invention and regenerating a stably transformed plant from the transformed plant cell.
    • 本发明一般涉及植物分子生物学领域。 更具体地说,本发明涉及影响植物中特别是植物种子和相关雌性生殖组织中细胞分裂素的代谢有效水平的基因的时间和/或空间调节表达的方法和试剂。 本发明进一步涉及具有增强的细胞分裂素表达水平的转基因植物,其中转基因植物表现出有用的特征,例如改善的种子大小,降低的末梢核仁流产,在不利的环境条件下增加的种子集合或产量的稳定性。 本发明还提供用于调节植物中异源核苷酸序列表达的组合物和方法。 组合物包含已知为eep1和eep2的种子优选启动子的新型核苷酸序列。 提供了使用本文公开的启动子序列在植物中表达异源核苷酸序列的方法。 该方法包括转化植物细胞以包含与本发明的启动子之一可操作地连接的异源核苷酸序列,并从转化的植物细胞再生稳定转化的植物。
    • 9. 发明授权
    • Invertase inhibitors and methods of use
    • 转化酶抑制剂和使用方法
    • US06713666B2
    • 2004-03-30
    • US09780717
    • 2001-02-09
    • Timothy G. HelentjarisNicholas J. BateStephen M. Allen
    • Timothy G. HelentjarisNicholas J. BateStephen M. Allen
    • A01H500
    • C07K14/415C12N15/8245
    • Methods and compositions for increasing yield in plants, particularly seed plants, are provided. The compositions comprise novel nucleic acid molecules encoding invertase inhibitors, antisense nucleotides corresponding to invertase inhibitors, and variants and fragments thereof. Such compositions find use in methods to modulate invertase activity in plants. The compositions are also useful in methods to modulate kernel development and for protecting plants against the harmful/detrimental effects of stress and adverse environmental conditions. The nucleotide sequences may be provided in constructs for temporal, developmental, and tissue preference. Transformed plants, plant cells, tissues, and seeds are additionally provided.
    • 提供了用于提高植物,特别是种子植物产量的方法和组合物。 组合物包含编码转化酶抑制剂的新型核酸分子,对应于转化酶抑制剂的反义核苷酸,及其变体和片段。 这样的组合物可用于调节植物中的转化酶活性的方法。 该组合物还可用于调节内核发育和保护植物免受应激和不利环境条件的有害/不利影响的方法。 核苷酸序列可以在时间,发育和组织偏好的构建体中提供。另外提供转化的植物,植物细胞,组织和种子。