Kirillova Yuliya, Boyarskaya Nataliya, Dezhenkov Andrey, Tankevich Mariya, Prokhorov Ivan, Varizhuk Anna, Eremin Sergei, Esipov Dmitry, Smirnov Igor, Pozmogova Galina
Department of Biotechnology and Bionanotechnology, Moscow State University of Fine Chemical Technologies, Moscow, Russia; Department of Molecular Biology and Genetics, SRI of Physical-Chemical Medicine, Moscow, Russia.
Department of Biotechnology and Bionanotechnology, Moscow State University of Fine Chemical Technologies, Moscow, Russia.
PLoS One. 2015 Oct 15;10(10):e0140468. doi: 10.1371/journal.pone.0140468. eCollection 2015.
New polyanionic modifications of polyamide nucleic acid mimics were obtained. Thymine decamers were synthesized from respective chiral α- and γ-monomers, and their enantiomeric purity was assessed. Here, we present the decamer synthesis, purification and characterization by MALDI-TOF mass spectrometry and an investigation of the hybridization properties of the decamers. We show that the modified γ-S-carboxyethyl-T10 PNA forms a stable triplex with polyadenine DNA.
获得了聚酰胺核酸类似物的新型聚阴离子修饰。由各自的手性α-和γ-单体合成了胸腺嘧啶十聚体,并评估了它们的对映体纯度。在此,我们展示了十聚体的合成、纯化以及通过基质辅助激光解吸电离飞行时间质谱进行的表征,还研究了十聚体的杂交特性。我们表明,修饰后的γ-S-羧乙基-T10 PNA与聚腺嘌呤DNA形成了稳定的三链体。