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  • Title: Transposon Tn3-mediated replicon fusion.
    Author: Miyoshi J, Ishii S, Shimada K, Takagi Y.
    Journal: Gene; 1982 Oct; 19(3):251-7. PubMed ID: 6295878.
    Abstract:
    To investigate inter-replicon transposition of Tn3, we used the cosmid-phage lambda packaging system coupled with density gradient fractionation and isolated recombinant molecules of different sizes. Cosmids derived from ampicillin-resistance-transducing phage were classified into four groups: (1) cosmid-Tn3 donor cointegrates considered as Tn3 transposition intermediates, (2) similar cointegrates carrying deletions of one copy of Tn3 and of adjacent cosmid DNA sequences, (3) cosmids carrying a single Tn3 insertion, and (4) cosmids carrying two independent Tn3 insertions. Genetic and biochemical studies indicated that cosmids isolated from ampicillin-resistance transductants were derived from the authentic cosmid-Tn3 donor cointegrate intermediates.
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