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    • 4. 发明授权
    • High-affinity salicylic acid-binding protein and methods of use
    • 高亲和力水杨酸结合蛋白及其使用方法
    • US6136552A
    • 2000-10-24
    • US956507
    • 1997-10-23
    • Daniel F. KlessigHe Du
    • Daniel F. KlessigHe Du
    • C07K14/415G01N33/53
    • C07K14/415
    • A high-affinity salicylic acid-binding protein (SABP2) derivable from tobacco and Arabidopsis is disclosed. The tobacco protein has a molecular weight of approximately 25 kDa and reversibly binds SA with an apparent K.sub.d of approximately 90 nM and a B.sub.max of 10 fmol/mg protein. The SABP2 of the invention may be used to identify analogues of SA. Analogues so identified may be used in plants to augment disease-resistance response pathways or other SA-sensitive processes in which SA plays a role. Possible examples include flowering and alternative respiration. The SABP2 of the invention may also be used to identify and clone a gene or cDNA that encodes it, which then may be used to generate transgenic plants having altered SABP2 levels.
    • 公开了一种可从烟草和拟南芥衍生的高亲和力水杨酸结合蛋白(SABP2)。 烟草蛋白的分子量约为25kDa,可逆地结合SA,表观Kd为约90nM,Bmax为10fmol / mg蛋白。 本发明的SABP2可以用于鉴定SA的类似物。 如此鉴定的类似物可用于植物中以增强抗病反应途径或其中SA起作用的其他SA敏感过程。 可能的例子包括开花和替代呼吸。 本发明的SABP2还可以用于鉴定和克隆编码它的基因或cDNA,然后可以将其用于产生具有改变的SABP2水平的转基因植物。
    • 5. 发明授权
    • Methods and compositions for improving salicylic acid-independent systemic acquired disease resistance in plants
    • 用于改善植物中水杨酸独立系统获得性疾病抗性的方法和组合物
    • US06495737B1
    • 2002-12-17
    • US08909125
    • 1997-08-11
    • Daniel F. KlessigAilan Guo
    • Daniel F. KlessigAilan Guo
    • C12N1582
    • C12N15/8279C12N9/14
    • The present invention provides methods and materials that enhance a plant's resistance to certain pathogens. A novel pathway is described and has been designated with the acronym, SI-SAR pathway, for salicylic acid-independent systemic acquired resistance. DNA constructs and methodologies are provided that facilitate the identification of compounds that activate this pathway. Methods are provided to enable the identification of novel genes and signaling components that are expressed when the SI-SAR pathway is activated. Transgenic plants with altered expression of these novel genes or signaling components of the pathway are expected to have enhanced resistance to plant pathogens. Also provided is a novel, pathogen-induced epoxide hydrolase that is inducible in the absence of SA.
    • 本发明提供增强植物对某些病原体的抗性的方法和材料。 描述了一条新途径,并且已经用缩写SI-SAR途径指定了水杨酸独立系统获得性抗性。 提供DNA构建体和方法,其有助于鉴定激活该途径的化合物。 提供了方法来确定当SI-SAR途径被激活时表达的新基因和信号传导成分。 预期这些新基因或该途径的信号成分表达改变的转基因植物对植物病原体具有增强的抗性。 还提供了一种新型的病原体诱导的环氧化物水解酶,其在不存在SA时可诱导。