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    • 1. 发明公开
    • Cloning vectors
    • 克隆载体
    • EP0085548A3
    • 1985-08-21
    • EP83300442
    • 1983-01-28
    • ELI LILLY AND COMPANY
    • Miller, James RobertFayerman, Jeffrey TobinKovacevic, StevenMalin née Beerman, Nancy Ellen
    • C12N15/00
    • C12N15/75C12N15/76Y10S435/832Y10S435/849Y10S435/886
    • The present invention discloses multi-functional recombinant DNA cloning vectors comprising
      a) two or more functionally different origins of replication that are indpendently selected from the group consisting of any origin of replication that is functional in Streptomyces, any origin of replication that is functional in Bacillus, and any origin of replication that is functional in E. coli, and b) one or more DNA segments that confer resistance to at least one antibiotic when transformed into a sensitive host cell in which an origin of replication comprising said vector is functional, said host cells being susceptible to transformation, cell division, and culture,
      subject to the limitation that when. said vector is limited to two functionally different origins of replication, neither of the origins of replication is functional in E. coli.
    • 本发明公开了多功能重组DNA克隆载体,其包含a)两种或更多种功能上不同的复制起点,其独立地选自任何在链霉菌中有功能的复制起点,任何在芽孢杆菌中起作用的复制起点 ,以及在大肠杆菌中有功能的任何复制起点,以及b)一个或多个DNA片段,当转化成其中包含所述载体的复制起点具有功能的敏感宿主细胞时赋予对至少一种抗生素的抗性,所述 宿主细胞易受转化,细胞分裂和培养的影响,但受限于何时。 所述载体限于两个功能上不同的复制起点,复制起点都不在大肠杆菌中起作用。