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  • Title: The divergent region of the Leishmania tarentolae kinetoplast maxicircle DNA contains a diverse set of repetitive sequences.
    Author: Muhich ML, Neckelmann N, Simpson L.
    Journal: Nucleic Acids Res; 1985 May 10; 13(9):3241-60. PubMed ID: 2987878.
    Abstract:
    A 2.76 kb segment of the 12 kb divergent region of the Leishmania tarentolae kinetoplast maxicircle DNA consists almost entirely of repeated sequences. The repeats can be grouped into six families, some of which are present throughout the remainder of the divergent region. The repeats are oriented in a head-to-tail fashion with the three simplest repeats clustered into large arrays. A 47 bp palindrome and two copies of a "supercluster" of three different types of repeats are also present in the sequenced region. A sequence change in the divergent region is described for a clonal strain of L. tarentolae which was passaged continuously for several years. The repetitive sequences found in the divergent region appear to be appropriate substrates for the presumed deletion/insertion/recombination events occurring in this rapidly evolving portion of the maxicircle.
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