Title: Untangling the double helix: DNA entanglement and the action of the DNA topoisomerases
Abstract: Preface 1. An Insuperable Problem 2. Nature's Solutions: The DNA Topoisomerases 3. Breaking a DNA Strand and Holding on to the Broken Ends 4. A Magic Swivel 5. Moving One DNA Double Helix through Another 6. Real-Time Viewing of the DNA Topoisomerases in Action 7. Manifestations of DNA Entanglement: Replication and Recombination 8. Manifestations of DNA Entanglement: Gene Expression 9. Beyond DNA Entanglement: New Twists on an Old Theme 10. From Nature's Battlefields to the Clinical Wards Appendices 1. Identification of the Covalent Intermediates in Topoisomerase-Catalyzed Reactions 2. Catalysis of DNA Breakage and Rejoining by DNA Topoisomerases Index