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  • Title: Absence of direct repeats flanking transposons resulting from intramolecular transposition.
    Author: Thorpe PA, Clowes RC.
    Journal: Gene; 1984 Apr; 28(1):103-12. PubMed ID: 6329911.
    Abstract:
    Tn2660 is an ampicillin-resistance-conferring transposon with a high degree of homology for the transposon Tn3. The nucleotide sequences flanking the termini of Tn2660 have been determined on plasmids inferred to have resulted from both inter- and intramolecular transposition of Tn2660. In all cases, transposition of Tn2660, as of Tn3, creates 5-bp flanking direct repeats, except following intramolecular transposition resulting from trans ligation. In this case, in R6K replicons, the nucleotide sequence between the two Tn2660 elements is stably inverted from the normal orientation, and 5-bp direct repeats do not flank each transposon, but instead flank opposite ends of the two transposon copies.
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