Short nucleotide sequences in herpesviral genomes identical to the human DNA

Journal of Theoretical Biology
Felix Filatov, Alexander Shargunov

Abstract

In 2010, we described many similar DNA sequences in human and viral genomes, including herpesviral ones. The data obtained allowed us to suggest that these motifs may provide the antiviral protection by mating with a complementary potential target and destroying it by the catalytic way like small interfering RNA, siRNA. Since we have analyzed these viruses as a group, two major issues seemed to us curious: (1) the number of such motifs in genomes of various herpesvirus types, and (2) distribution of these motifs in an individual viral genome. Here we searched only the herpesviral genomes for short (>20nt) continuous sequences (hits) that are totally identical to the sequences of human DNA. We found that different viral genes and genomes of different herpesviruses contain different amount of such hits. Assuming like in previous paper that the density of these hits in viral genes is associated with the probability to be targets for cellular siRNA, we consider the genomic allocation of this density as a hypothetical targetome map of the human herpesviruses. We combined all nine types of herpesviruses in the three groups according the hit concentration in their genomes and found that the resulting sequence corresponds to the type o...Continue Reading

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Citations

Jan 1, 2017·Molecular Biology·V M BlinovA V Shargunov

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