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The stabilities, structures, and functions of nucleic acids are responsive to surrounding conditions. Living cells contain biomolecules, including nucleic acids, proteins, polysaccharides, and other soluble and insoluble low-molecular weight components, that occupy a significant fraction of the cellular volume (up to 40%), resulting in a highly crowded intracellular environment. We have proven that...
The telomere G-quadruplex-binding and telomerase-inhibiting capacity of two cationic (TMPyP4 and PIPER) and two anionic (phthalocyanine and Hemin) G-quadruplex-ligands were examined under conditions of molecular crowding (MC). Osmotic experiments showed that binding of the anionic ligands, which bind to G-quadruplex DNA via π–π stacking interactions, caused some water molecules to be released from...
mRNA forms various secondary and tertiary structures that affect gene expression. Although structures formed in the untranslated regions (UTRs) of mRNAs that inhibit translation have been characterized, stable mRNA structures in open reading frames (ORFs) may also cause translational halt or slow translation elongation. We previously established a method, termed a synchronized translation assay, that...
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