Invention Grant
US08232454B2 Gene-transfer vector comprising helper-component protease gene of papaya ringspot virus for broad-spectrum virus resistance in crops and use thereof 有权
基因转移载体,其包含木瓜环斑病毒的辅助成分蛋白酶基因,用于作物中的广谱病毒抗性及其用途

Gene-transfer vector comprising helper-component protease gene of papaya ringspot virus for broad-spectrum virus resistance in crops and use thereof
Abstract:
Provided is a recombinant plasmid having a control sequence and a coding sequence fragment of Papaya ringspot virus (PRSV) helper-component protease gene (HC-Pro gene) operably linked to the control sequence. A recombinant microorganism derived therefrom is also provided. A method for providing plants with resistance against virus is also provided. Use of PRSV HC-Pro gene or fragment thereof in generating plants with resistance against virus is also provided. It is proven that the PRSV HC-Pro transgenic plants can solve the problem resulting from breakdown by gene silencing suppression and provide broad-spectrum resistance to various PRSV strains of different geographical origins.
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