Local rotations, topological invariant for thin rods, and supercoiling of DNA

被引：1

作者：

Chechetkin, VR ^{[1
]}

机构：

[1] Troitsk Inst Innovat & Thermonucl Invest, TRINITI, Dept Theoret, Div Perspect Invest, Troitsk 142092, Moscow Region, Russia

来源：

PHYSICS LETTERS A | 1998年 / 240卷 / 03期

关键词：

thin rods; degree of a map; homology group; conformations of DNA;

D O I：

10.1016/S0375-9601(98)00105-4

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We describe a scheme for calculation of the topological invariant for closed twisted thin rods in terms of the rotation matrices for local deformations. The technique is applied to the analysis of conformations in closed circular supercoiled DNA. (C) 1998 Published by Elsevier Science B.V.

引用

页码：171 / 176

页数：6

共 30 条

[1]

Alberts B., 1983, MOL BIOL CELL

[2]

[Anonymous], 1986, MODERN GEOMETRY METH

[3] THEORY OF TWISTING AND BENDING OF CHAIN MACROMOLECULES - ANALYSIS OF THE FLUORESCENCE DEPOLARIZATION OF DNA [J].