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    • 4. 发明授权
    • Production of cotton fiber with improved fiber characteristics
    • 生产具有纤维特性提高的棉纤维
    • US06563021B1
    • 2003-05-13
    • US09760892
    • 2001-01-17
    • Yoshihisa KasukabeKoichi FujisawaSusumu NishiguchiYoshihiko MaekawaRandy Dale Allen
    • Yoshihisa KasukabeKoichi FujisawaSusumu NishiguchiYoshihiko MaekawaRandy Dale Allen
    • A01H100
    • C12N15/8261A01N49/00C07K14/415C12N15/8242Y02A40/146
    • Methods are disclosed to achieve an improvement in the characteristics and yield of cotton fibers. In one method, a cotton plant of the genus Gossypium in seed form or in growth stage is treated with a brassinosteroid. In another method, an ovule culture is prepared from a cotton plant of the genus Gossypium in a brassinosteroid-containing liquid medium. Cotton fibers with improved fiber characteristics are obtained from the cotton bolls of the treated plant or from the cultured ovules. Also disclosed are a method for inducing specific genes expression in a cotton plant to produce cotton fibers with improved fiber characteristics by treatment with a brassinosteroid, and a cotton plant produced by this method; as well as a novel gene capable of changing the degree of its expression found in the ovules of a cotton plant treated with a brassinosteroid, a gene capable of hybridizing with this novel gene, a recombinant plasmid containing this novel gene, a transformant containing this recombinant plasmid, and the like.
    • 公开了实现棉纤维特性和产量改进的方法。 在一种方法中,种子形式或生长阶段的棉属棉花植物用油菜素固醇处理。 在另一种方法中,在含油菜素固醇的液体培养基中从棉属棉花植物制备胚珠培养物。 具有改善的纤维特性的棉纤维由处理植物的棉铃或培养的胚珠获得。 还公开了一种在棉花植物中诱导特异性基因表达的方法,以通过用油菜素甾醇处理生产具有改善的纤维特性的棉纤维和通过该方法生产的棉花植物; 以及能够改变用油菜素类固醇处理的棉花植物的胚珠中发现的表达程度的新型基因,能够与该新基因杂交的基因,含有该新基因的重组质粒,含有该重组体的转化体 质粒等。