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R-plasmid pSBK 203의 ori 부위 재조합 및 이를 이용한 E. coli와 B. subtilis 간의 Shuttle-Vector 구성

권동현, 석종성, 변우현

Abstract

pBR 322와 pBD9을 이용하여 Staphylococcus aureus에서 분리된 chloramphenicol 저항성(Cmr) plasmid인 pSBK 203상의 ori 부위를 cloning하였다. 또한 E. coli 내에서도 발현하는 pSBK 203상의 Cm 저항성 부위 및 cloning 된 ori 부위를 pBR 322에 재조합시켜 E. coli와 그람양성균인 Bacillus subtilis 양쪽 모두에서 복제되고 또 항생물질에 대한 저항성도 각각 발현되는 shuttle vector 구성을 시도하였다. 【The replication region of the chloramphenical resistance plasmid pSBK203 of Staphylococcus aureus was cloned using pBR322 and pBD9 as vectors. Cloned replication tegion and chloramphenicol resistance gene were recombined to pBR322. The reconstructed vector behaved as a shuttle vector for E. coli and B. subtilis.】

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Key concepts: Shuttle vector, PBR322, Plasmid, Bacillus subtilis, Vector (molecular biology), Escherichia coli, Cloning (programming), Cloning vector