The variability of the chromosomal fragments of the atp6 mitochondrial gene, which is integrated into chromosomal DNA in the lines of flies of different geographic origins and in the passaged cell lines of D. virilis has been analyzed. We did not reveal any nucleotide variability in this DNA marker among the studied fly lines. This result is consistent with the proposition that the D. virilis species is monomorphic. The new fragments of the atp6 gene that are associated with the insertions of the Tv1 retrotransposon and are absent in the fly genome are revealed in the genome of the passaged cell line of D. virilis. This fact is evidence of the activation of the mitochondrial DNA transfer into the nuclear genome of the cells of passaged cell culture.
Russian Journal of Genetics – Springer Journals
Published: Jun 16, 2013
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