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    • 3. 发明申请
    • COMPUTING MINIMAL POLYNOMIALS OF RADICAL EXPRESSIONS
    • 计算放射性表达的最小多边形
    • US20100198902A1
    • 2010-08-05
    • US12364533
    • 2009-02-03
    • Xu YangZhouchen LinSijun LiuTianjun Ye
    • Xu YangZhouchen LinSijun LiuTianjun Ye
    • G06F7/552
    • G06F17/10
    • Described is a technology, such as implemented in a computational software program, by which a minimal polynomial is efficiently determined for a radical expression based upon its structure of the radical expression. An annihilation polynomial is found based upon levels of the radical to obtain roots of the radical. A numerical method performs a zero test or multiple zero tests to find the minimal polynomial. In one implementation, the set of roots corresponding to a radical expression is found. The annihilation polynomial is computed by grouping roots of the set according to their conjugation relationship and multiplying factor polynomials level by level. A selection mechanism selects the minimal polynomial based upon the annihilation polynomial's factors.
    • 描述了一种技术,例如在计算软件程序中实现的技术,通过该技术,基于其基本表达式的结构,有效地确定基本表达式的最小多项式。 基于获得根的根的自由基的水平找到湮灭多项式。 数值方法执行零测试或多零测试以找到最小多项式。 在一个实现中,找到与激进表达相对应的一组根。 湮灭多项式通过根据它们的共轭关系和乘法因子多项式级别逐级分组的根来计算。 选择机制根据湮灭多项式的因素选择最小多项式。
    • 5. 发明申请
    • Plant virus transmission inhibitor and methods
    • 植物病毒传播抑制剂和方法
    • US20090055975A1
    • 2009-02-26
    • US12001776
    • 2007-12-11
    • Bryony BonningW. Allen MillerSijun Liu
    • Bryony BonningW. Allen MillerSijun Liu
    • C07K7/08C12N15/11C12N15/62A01H5/00A61P31/12
    • C07K7/08C07K14/005C12N15/8283C12N2770/00022
    • Provided is a peptide, peptide multimer or fusion protein containing such peptide which binds to the gut of sap-sucking insects, e.g., aphids. When bound, this peptide inhibits the binding of targeted virus to the insect gut. When this peptide or tandem repeat peptide is expressed (or is expressed as part of a fusion protein) in the fluids of transgenic plants, it is taken up by the insect with the sap, binds to gut receptors and thereby inhibits transmission of the virus from plant to plant via the insect vector. Thus, the use of such transgenic plants blocks or reduces the transmission of the targeted virus and others which share the peptide binding site within the insect gut among plants susceptible to the virus and thereby reduces losses due to viral infection.
    • 提供了含有这种肽的肽,肽多聚体或融合蛋白,其结合吸吮昆虫的肠道,例如蚜虫。 当肽结合时,该肽抑制靶向病毒与昆虫肠道的结合。 当这种肽或串联重复肽在转基因植物的液体中表达(或作为融合蛋白的一部分表达)时,它被昆虫与树汁吸收,结合肠道受体,从而抑制病毒从 植物通过昆虫载体植物。 因此,这种转基因植物的使用阻止或减少在易感病毒的植物中在昆虫肠内共享肽结合位点的目标病毒和其他物质的传播,从而减少由于病毒感染引起的损失。
    • 6. 发明申请
    • Aphicidal Toxins and Methods
    • 杀虫毒素和方法
    • US20130097729A1
    • 2013-04-18
    • US13492779
    • 2012-06-08
    • Bryony Claire BonningSijun LiuHuarong Li
    • Bryony Claire BonningSijun LiuHuarong Li
    • C12N15/82
    • C12N15/8286C07K14/325C07K2319/33C07K2319/55Y02A40/162
    • Provided are chimeric aphicidal and insecticidal toxin proteins comprising peptide, peptide multimer or fusion protein containing such peptide which binds to the gut of sap-sucking insects, e.g., aphids, thrips, leafhoppers, or other target interest. When bound, this peptide mediates the binding of the chimeric aphicidal or other insecticidal protein to the target insect gut. Also described are coding sequences, vectors, and transgenic plants genetically modified to contain and express such aphicidal or insecticidal proteins. Thus, the use of such transgenic plants reduces economic loss due to feeding by the target insect and also reduces loss due to plant diseases spread by the target insect.
    • 提供了包含肽,肽多聚体或含有这种肽的融合蛋白的嵌合杀蚜虫和杀虫毒素蛋白,其结合吸吮昆虫的肠道,例如蚜虫,蓟马,叶蝉或其他目标兴趣。 当结合时,该肽介导嵌合杀蚜虫或其它杀虫蛋白与目标昆虫肠道的结合。 还描述了遗传修饰以含有和表达这种杀蚜虫或杀虫蛋白的编码序列,载体和转基因植物。 因此,这种转基因植物的使用减少了由于目标昆虫的饲养造成的经济损失,还减少了由于目标昆虫传播的植物病害引起的损失。