Revival: Topology and Physics of Circular DNA (1992)

Revival: Topology and Physics of Circular DNA (1992)

Vologodskii, Alexander

Taylor & Francis Ltd

01/2019

192

Mole

Inglês

9781138562813

15 a 20 dias

453

Descrição não disponível.
Foreword. Introduction. BASIC PHYSICAL PROPERTIES OF DNA. DNA STRUCTURE. Single-Stranded DNA. The Double Helix. Alternative Forms of the Double Helix. Other Regular Structures. Hairpins and Cruciform Structures. FLEXIBILITY OF THE DOUBLE HELIX. Macromolecular Conformation in Solution. Chains with Correlated Direction of Adjacent Links. Persistence Length of DNA. Excluded Volume Effect. Torsional Rigidity of the Double Helix. CONFORMATIONAL TRANSITIONS. General Properties of Conformational Transitions. Statistical-Mechanical Treatment of Conformational Transitions. Helix-Coil Transition. B-A Transition. B-Z Transition. CIRCULAR DNA AND SUPERCOILING. THE CIRCULAR FORM OF DNA. The Discovery of Circular DNA. The Topological Aspect of Inter-Strand Linkage. Linking Number Difference and Superhelical Density: Topoisomers. EXPERIMENTAL STUDIES OF SUPERCOILING. Determining the Linking Number Difference. The Dependence of Superhelical Density on Solution Conditions. Superhelicity of Circular DNA Isolated from Cells. Obtaining DNA with a Preset Superhelical Density. SUPERCOILING ENERGY. TOPOISOMERASES. GEOMETRY AND TOPOLOGY OF CIRCULAR DNA. RIBBON THEORY. Writhe and Twist. Principal Properties of Writhe. CONFORMATIONS OF SUPERCOILED DNA. Torsional Rigidity of the Double Helix. Computer Simulation of Supercoiling. Experimental Studies of Supercoiled DNA Conformations. Thermodynamics of Supercoiling. CYCLIZATION OF DNA. KNOTTED AND LINKED DNA. Types of Knots and Linkages. Theoretical Analysis of Knots and Linkages. Knots and Linkages in DNA. Topological Approach to the Study of the Mechanisms of Enzymatic Reactions. FORMATION OF NONCANONICAL STRUCTURES UNDER THE IMPACT OF NEGATIVE SUPERCOILING. EXPERIMENTAL METHODS OF ANALYSIS OF NONCANONICAL STRUCTURES IN CIRCULAR DNA. Methods of Localization of Structural Transitions. The Method of Two-Dimensional Gel Electrophoresis. THERMODYNAMIC ANALYSIS OF THE FORMATION OF NONCANONICAL STRUCTURES. CRUCIFORM STRUCTURES. THE LEFT-HANDED Z-FORM. MELTING OF CLOSED CIRCULAR DNA. THE H-FORM. THE INFLUENCE OF SUPERCOILING ON THE B-A TRANSITION. STATISTICAL-MECHANICAL ANALYSIS. MUTUAL INFLUENCE AND COMPETITION OF DIFFERENT STRUCTURAL TRANSITIONS. KINETICS OF THE FORMATION OF NONCANONICAL STRUCTURES IN CIRCULAR DNA. THE USE OF CIRCULAR DNA IN STUDIES OF THE DOUBLE HELIX AND ITS GENERAL PROPERTIES. FINDING THE HELICAL REPEAT OF THE DOUBLE HELIX. FINDING THE DOUBLE HELIX UNWINDING ANGLE UPON LIGAND BINDING. DNA SUPERCOILING INSIDE THE CELL. SUPERHELICAL STRESS. EXISTENCE OF NONCANONICAL STRUCTURE WITHIN A CELL. TRANSCRIPTION-INDUCED DNA SUPERCOILING.
Este título pertence ao(s) assunto(s) indicados(s). Para ver outros títulos clique no assunto desejado.
Circular DNA;Biophysicists;Circular DNA Molecule;Constraints;DNA Molecule;Cyclization;Cruciform Structures;Supercoiling;Supercoiled DNA;noncanonical;Double Helix;Superhelical Density;Noncanonical Structures;Negative Supercoiling;DNA Double Helix;Linear DNA;Base Pairs;Free Jointed Chain;Linking Number;Statistical Segments;GC Pair;Torsional Stress;DNA Length;Linear DNA Molecule;DNA Region;Circular DNAs;Statistical Mechanical Treatment;Ribbon Axis;pBR322 DNA;Persistence Length