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    • 52. 发明申请
    • POLYSOME-MEDIATED CELL TYPE-, TISSUE TYPE- OR CONDITION-ENHANCED TRANSCRIPT PROFILING
    • 多聚体介质细胞类型,组织类型或状态增强转录物
    • US20100071086A1
    • 2010-03-18
    • US12557449
    • 2009-09-10
    • Peter P. RepettiOliver J. RatcliffeLuc J. AdamT. Lynne ReuberHans E. Holtan
    • Peter P. RepettiOliver J. RatcliffeLuc J. AdamT. Lynne ReuberHans E. Holtan
    • C12N15/82A01H5/00C12N5/04C12N15/74
    • C12N15/8216
    • In this invention, a method is described that allows for the efficient creation and identification of validated biological materials that greatly enhance the ability to perform polysome-mediated RNA profiling, such as constitutive, cell type-, tissue type-, or condition-enhanced RNA profiling. The method relies on the use of a tri-partite plant binary expression vector comprised of the following components: a) a DNA promoter element that drives expression of a sequence specific transcription activator protein such as a LexA:Gal4 fusion protein in a unique desired pattern, b) a DNA promoter element comprising a target site for the transcriptional activator protein, such as opLexA, fused to a nucleotide encoding an epitope tagged ribosomal component protein and c) a DNA promoter element comprising a target site for the transcriptional activator protein, such as opLexA, fused to a nucleotide encoding an in vivo reporter protein. By visualization of the co-regulated reporter, this method allows for in planta confirmation that the promoter element is driving expression, such as constitutive, cell type-, tissue type-, or condition-enhanced expression, of the tagged ribosomal protein in the desired cell or tissue types.
    • 在本发明中,描述了允许有效创建和鉴定验证的生物材料的方法,其极大地增强了进行多聚体介导的RNA分析的能力,例如组成型,细胞类型,组织型或条件增强型RNA 剖析。 该方法依赖于使用由以下组分组成的三分子植物二元表达载体:a)以独特的期望模式驱动序列特异性转录激活蛋白如LexA:Gal4融合蛋白的表达的DNA启动子元件 b)包含与编码表位标记的核糖体组分蛋白的核苷酸融合的转录激活蛋白的靶位点如opLexA的DNA启动子元件,和c)包含转录激活蛋白的靶位点的DNA启动子元件,例如 作为opLexA,与编码体内报道蛋白的核苷酸融合。 通过共同调节的报告者的可视化,这种方法允许在植物中确认启动子元件是驱动所需标记的核糖体蛋白质的组成型,细胞类型,组织型或条件增强表达的表达 细胞或组织类型。
    • 56. 发明申请
    • STRONG ACTIVATION DOMAIN
    • 强活动域
    • US20110126326A1
    • 2011-05-26
    • US13000488
    • 2009-06-26
    • Shiv TiwariRoger CanalesT. Lynne ReuberKaren S. CenturyOliver Ratcliffe
    • Shiv TiwariRoger CanalesT. Lynne ReuberKaren S. CenturyOliver Ratcliffe
    • A01H5/00C07K7/06C07K7/08C07K14/00C07H21/00C12N5/10C12N15/82
    • A new and strong transcriptional activation domain was identified from the Arabidopsis protein Ethylene Response Factor 98 (AtERF98). This domain has been designated as the “EDLL domain” and has a number of highly conserved amino acid residues that are found throughout the members of the AtERF98 family from plants, including in monocot and eudicot orthologs. The EDLL domain was shown to be highly active when it was fused to transcription factors from plant and yeast, and was also shown to have activation potential comparable to the widely-used VP16 activation domain derived from Herpes simplex. The EDLL domain was also active when it was targeted to a gene promoter by a sequence-specific DNA binding protein or by protein-protein interactions. Unlike other known activation domains such as VP16 and GAL4, the EDLL domain is relatively small in size, and being of plant origin, it is favored as a strong transcriptional activation tool for application in transgenic food crops.
    • 从拟南芥蛋白质乙烯响应因子98(AtERF98)中鉴定出新的和强的转录激活结构域。 该领域已经被指定为“EDLL结构域”,并且具有许多高度保守的氨基酸残基,其在来自植物的AtERF98家族的整个成员中发现,包括单子叶植物和雌蕊直系同源物。 当EDLL结构域与植物和酵母的转录因子融合时,显示其具有高度的活性,并且还显示具有与广泛使用的衍生自单纯疱疹的VP16活化区域相当的活化潜力。 当通过序列特异性DNA结合蛋白或通过蛋白质 - 蛋白质相互作用靶向基因启动子时,EDLL结构域也是活性的。 与其他已知的活化结构域(如VP16和GAL4)不同,EDLL结构域的大小相对较小,并且是植物来源的,因此作为在转基因食品作物中应用的强转录激活工具是有利的。