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  • Title: Conjugal transfer of cloning vectors derived from ColE1.
    Author: Young IG, Poulis MI.
    Journal: Gene; 1978 Oct; 4(2):175-9. PubMed ID: 363522.
    Abstract:
    The transfer properties of five cloning vectors derived from ColE1 were studied. Two of the vectors (pSF2124 and pGM706) behaved like wild type ColE1 in that they could be transferred efficiently in the presence of the conjugative plasmid F. The mobilization of the remaining three vectors (pMB9, PBR313 and pBR322) by F was barely detectable. The transfer defect in pBR313 and pBR322 could be complemented by ColK when R64drd11, but not F, was used as the conjugative plasmid. The transferred plasmids could be recovered unchanged from recipients. Conjugal transfer is a potentially useful technique for screening hybrid plasmids in low-risk cloning experiments involving poorly transformable strains.
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