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    • 15. 发明公开
    • Recombinant library screening methods
    • 重组文库筛选方法
    • EP1555328A2
    • 2005-07-20
    • EP05075052.0
    • 1991-05-01
    • Biosite Incorporated
    • Dower, William J.Cwirla, Steven E.
    • C12Q1/70G01N33/53C12N7/00C07K16/00C12N1/21
    • C40B40/02C07K16/00C07K16/005C12N15/1037
    • Nucleotide sequences encoding proteins of interest are isolated from DNA libraries using bacteriophage to link the protein to the sequence which encodes it. DNA libraries are prepared from cells encoding the protein of interest and inserted into or adjacent to a coat protein of a bacteriophage vector, or into a sequence encoding a protein which may be linked by means of a ligand to a phage coat protein. By employing affinity purification techniques the phage particles containing sequences encoding the desired protein may be selected and the desired nucleotide sequences obtained therefrom. Thus, for example, novel proteins such as monoclonal antibodies may be produced and conventional hybridoma technology avoided.
    • 使用噬菌体从DNA文库中分离编码感兴趣蛋白质的核苷酸序列以将蛋白质连接至编码它的序列。 从编码感兴趣的蛋白质的细胞制备DNA文库,并将其插入噬菌体载体的外壳蛋白或其附近,或插入编码可通过配体连接至噬菌体外壳蛋白的蛋白质的序列中。 通过采用亲和纯化技术,可以选择含有编码所需蛋白质的序列的噬菌体颗粒,并从中获得所需的核苷酸序列。 因此,例如,可以生产新的蛋白质如单克隆抗体,并避免常规的杂交瘤技术。