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  • Title: Identification of autonomous replication sequences in genomic and mitochondrial DNA of Crithidia fasciculata.
    Author: Koduri R, Ray DS.
    Journal: Mol Biochem Parasitol; 1984 Feb; 10(2):151-60. PubMed ID: 6366541.
    Abstract:
    High frequency transformation of Saccharomyces cerevisiae was used as a functional assay to isolate autonomous replication sequences (ars) from the genomic and kinetoplast DNA of the insect trypanosomatid Crithidia fasciculata. Three independent cloned genomic sequences and one kinetoplast DNA sequence promoted high frequency transformation and extrachromosomal maintenance of the YIp5 plasmid DNA in yeast. The kinetoplast DNA clone was sub-cloned to further localize the DNA sequence essential for ars activity. This element was shown to be contained in a 2 kb HindIII-EcoRI fragment derived from a 8 kb HindIII fragment of the maxicircle component of the kinetoplast DNA. This 2 kb fragment is within a DNA sequence that has been shown to strongly hybridize to Trypanosoma brucei maxicircle DNA.
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