H. Tateishi-Karimata

Publications60
h-index15
Citations719
Highly Influential Citations11
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Structure, stability and behaviour of nucleic acids in ionic liquids
Nucleic acids have become a powerful tool in nanotechnology because of their conformational polymorphism. However, lack of a medium in which nucleic acid structures exhibit long-term stability has… Expand
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A-T base pairs are more stable than G-C base pairs in a hydrated ionic liquid.
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Choline ion interactions with DNA atoms explain unique stabilization of A-T base pairs in DNA duplexes: a microscopic view.
Under physiological conditions, G-C base pairs are more stable than A-T base pairs. In a previous study, we showed that in the hydrated ionic liquid of choline dihydrogen phosphate, the stabilities… Expand
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Through-bond effects in the ternary complexes of thrombin sandwiched by two DNA aptamers
Aptamers directed against human thrombin can selectively bind to two different exosites on the protein surface. The simultaneous use of two DNA aptamers, HD1 and HD22, directed to exosite I and… Expand
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Hydration changes upon DNA folding studied by osmotic stress experiments.
The thermal stability of nucleic acid structures is perturbed under the conditions that mimic the intracellular environment, typically rich in inert components and under osmotic stress. We now… Expand
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Newly characterized interaction stabilizes DNA structure: oligoethylene glycols stabilize G-quadruplexes CH–π interactions
Abstract Oligoethylene glycols are used as crowding agents in experiments that aim to understand the effects of intracellular environments on DNAs. Moreover, DNAs with covalently attached… Expand
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Thermodynamic properties of water molecules in the presence of cosolute depend on DNA structure: a study using grid inhomogeneous solvation theory
In conditions that mimic those of the living cell, where various biomolecules and other components are present, DNA strands can adopt many structures in addition to the canonical B-form duplex.… Expand
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Affinity of molecular ions for DNA structures is determined by solvent-accessible surface area.
It is considered that Hoogsteen base pairs and DNA triplex structures play important roles in cellular processes even though these structures are less than duplexes of Watson-Crick base pairs.… Expand
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i-Motifs are more stable than G-quadruplexes in a hydrated ionic liquid.
Thermodynamic analyses and molecular dynamics calculations demonstrated that i-motifs in a hydrated ionic liquid of choline dihydrogen phosphate (choline dhp) were more stable than G-quadruplexes due… Expand
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Biological and nanotechnological applications using interactions between ionic liquids and nucleic acids
Nucleic acids have emerged as powerful biological and nanotechnological tools. In biological and nanotechnological experiments, methods of extracting and purifying nucleic acids from various types of… Expand
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