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  • Title: A simple procedure for transferring genes cloned in Escherichia coli vectors into other gram-negative bacteria: phenotypic analysis and mapping of TOL plasmid gene xylK.
    Author: Harayama S, Rekik M.
    Journal: Gene; 1989 May 15; 78(1):19-27. PubMed ID: 2548929.
    Abstract:
    A simple method to transfer non-conjugative Escherichia coli plasmids to other Gram-negative bacteria and their maintenance is described. This method involves generation of inverse transposition-mediated cointegrates of the non-conjugative E. coli plasmid with a conjugative IncW broad-host-range plasmid, R388, carrying Tn10. Isolation of such cointegrates was readily effected by conjugal transfer from an E. coli donor containing the two plasmids to an E. coli recipient, with selection for transconjugants expressing a marker of the E. coli plasmid. This method is particularly useful when large series of E. coli vector-based clones need to be expressed in other Gram-negative bacteria to be functionally analysed, either by complementation or recombination. Utility of the method is shown by a functional analysis in Pseudomonas putida of pBR322 hybrid plasmids containing catabolic genes of TOL plasmid pWW0.
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