A V Shirko

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The topology of ring closed DNA at different equilibrium configurations and deformation conditions has been investigated. The distribution of energy and bending and torsional stress has been studied. It is shown that the relationship between the torsional and flexural rigidity of DNA molecule qualitatively influences the deformation of ring DNA.
The equilibrium configurations of the ring closed DNA molecule, from the ring closed form to the formation of the first supercoil (in the form of eight), have been determined by the methods of the elasticity theory. The description of the topological characteristics allows one to investigate the linking number, twisting, the writing number, and supercoiling(More)
By using a persistent model of the movement of a DNA molecule, the penetration of the DNA molecule into a cell has been described. The method enables one to estimate the time and the rate of the passage of the DNA molecule into the cell nucleus. The effect of the curvature of the molecule on its longitudinal movement was studied. The results obtained can be(More)
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