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    • 10. 发明专利
    • Utilization of dna encoding kynurenine oxidase gene of silkworm
    • 丝裂霉素氧化酶基因编码DNA的利用
    • JP2005143428A
    • 2005-06-09
    • JP2003387764
    • 2003-11-18
    • National Institute Of Agrobiological Sciences独立行政法人農業生物資源研究所
    • TAMURA TOSHIKIKOBAYASHI ISAOZEN KUNIOKIKANDA TOSHIO
    • A01K67/033C12N15/09
    • PROBLEM TO BE SOLVED: To provide a method for utilizing DNA encoding kynurenine oxidase gene of silkworm as a selection marker for a transgenic silkworm. SOLUTION: A new vector plasmid to which a promoter of cytoplasmic actin of silkworm is linked is built on the upstream zone of kynurenine oxidase cDNA prepared from a wild silkworm in a vector derived from transposon piggyBac, and the vector plasmid is introduced into the egg of a white egg line silkworm obtained by making a silkworm of a first white egg mutation line (w-1) cross with a silkworm of a colored nondormant line (pnd). As a result, color of eyes of an adult moth or egg of a second-generation moth into which the vector is introduced is changed to blackish brown. The color of the skin of larva individual into which the gene is introduced is further changed to blackish brown and the change can be identified by naked eyes. COPYRIGHT: (C)2005,JPO&NCIPI
    • 待解决的问题:提供一种利用编码蚕的犬尿苷氧化酶基因的DNA作为转基因蚕的选择标记的方法。 解决方案:将来自转座子piggyBac的载体中的野生蚕制备的犬瘟氧化酶cDNA的上游区域建立在蚕胞质肌动蛋白启动子上的新载体质粒,并将载体质粒导入 通过使第一个白蛋突变线(w-1)的蚕与一个有色的非休眠线(pnd)的蚕相交而获得的白蛋系蚕卵。 结果,引入载体的第二代蛾的成年蛾或卵的眼睛颜色变为黑褐色。 引入基因的幼虫个体的皮肤颜色进一步变为黑褐色,肉眼可以鉴定出变化。 版权所有(C)2005,JPO&NCIPI