Modified Oligonucleotides for Guiding RNA Cleavage Using Bacterial RNase P

D. S. Novopashina, A. S. Nazarov, M. A. Vorobjeva, M. S. Kuprushkin, A. S. Davydova, A. A. Lomzov, D. V. Pyshnyi, Sidney Altman, A. G. Venyaminova

    Research output: Contribution to journalArticle

    Abstract

    Abstract: The ability of a series of novel modified external guide sequences (EGS oligonucleotides) to induce the hydrolysis of target RNA with bacterial ribonuclease P has been studied; the most efficient modification variants have been selected. We have found patterns of the oligonucleotide sugar-phosphate backbone modi-fications that enhance oligonucleotide stability in the biological environment and do not violate the ability to interact with the enzyme and induce the RNA hydrolysis. It has been shown that analogues of EGS oligonucleotides selectively modified at 2'-position (2'-O-methyl and 2'-fluoro) or at internucleotide phosphates (phosphoryl guanidines) can be used for the addressed cleavage of a model RNA target by bacterial RNase P. The ability of new phosphoryl guanidine analogues of oligodeoxyribonucleotides that are stable in biological media to induce the hydrolysis of target RNA with bacterial ribonuclease P has been shown for the first time. The modified EGS oligonucleotides with an optimal balance between functional activity and stability in biological media can be considered as potential antibacterial agents.

    Original languageEnglish (US)
    Pages (from-to)905-912
    Number of pages8
    JournalMolecular Biology
    Volume52
    Issue number6
    DOIs
    StatePublished - Nov 1 2018

    Fingerprint

    Ribonuclease P
    RNA Cleavage
    Oligonucleotides
    Bacterial RNA
    Hydrolysis
    Guanidine
    Sugar Phosphates
    Oligodeoxyribonucleotides
    RNA
    Anti-Bacterial Agents
    Enzymes

    Keywords

    • 2'-fluoro modified oligoribonucleotides
    • bacterial RNase P
    • EGS oligonucleotides
    • modified oligonucleotides
    • oligo(2'-О-methylribonucleotides)
    • phosphoryl guanidine oligonucleotides

    ASJC Scopus subject areas

    • Biophysics
    • Structural Biology

    Cite this

    Novopashina, D. S., Nazarov, A. S., Vorobjeva, M. A., Kuprushkin, M. S., Davydova, A. S., Lomzov, A. A., ... Venyaminova, A. G. (2018). Modified Oligonucleotides for Guiding RNA Cleavage Using Bacterial RNase P. Molecular Biology, 52(6), 905-912. https://doi.org/10.1134/S0026893318060134

    Modified Oligonucleotides for Guiding RNA Cleavage Using Bacterial RNase P. / Novopashina, D. S.; Nazarov, A. S.; Vorobjeva, M. A.; Kuprushkin, M. S.; Davydova, A. S.; Lomzov, A. A.; Pyshnyi, D. V.; Altman, Sidney; Venyaminova, A. G.

    In: Molecular Biology, Vol. 52, No. 6, 01.11.2018, p. 905-912.

    Research output: Contribution to journalArticle

    Novopashina, DS, Nazarov, AS, Vorobjeva, MA, Kuprushkin, MS, Davydova, AS, Lomzov, AA, Pyshnyi, DV, Altman, S & Venyaminova, AG 2018, 'Modified Oligonucleotides for Guiding RNA Cleavage Using Bacterial RNase P' Molecular Biology, vol. 52, no. 6, pp. 905-912. https://doi.org/10.1134/S0026893318060134
    Novopashina DS, Nazarov AS, Vorobjeva MA, Kuprushkin MS, Davydova AS, Lomzov AA et al. Modified Oligonucleotides for Guiding RNA Cleavage Using Bacterial RNase P. Molecular Biology. 2018 Nov 1;52(6):905-912. https://doi.org/10.1134/S0026893318060134
    Novopashina, D. S. ; Nazarov, A. S. ; Vorobjeva, M. A. ; Kuprushkin, M. S. ; Davydova, A. S. ; Lomzov, A. A. ; Pyshnyi, D. V. ; Altman, Sidney ; Venyaminova, A. G. / Modified Oligonucleotides for Guiding RNA Cleavage Using Bacterial RNase P. In: Molecular Biology. 2018 ; Vol. 52, No. 6. pp. 905-912.
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