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General description
The regulation of gene expression in many biological processes involves epigenetic mechanisms. In this new volume, 24 chapters written by experts in the field discuss epigenetic effects from many perspectives. There are chapters on the basic molecular mechanisms underpinning epigenetic regulation, discussion of cellular processes that rely on this kind of regulation, and surveys of organisms in which it has been most studied. Thus, there are chapters on histone and DNA methylation, siRNAs and gene silencing; X-chromosome inactivation, dosage compensation and imprinting; and discussion of epigenetics in microbes, plants, insects, and mammals. The last part of the book looks at how epigenetic mechanisms act in cell division and differentiation, and how errors in these pathways contribute to cancer and other human diseases. Also discussed are consequences of epigenetics in attempts to clone animals..
Table of Contents
1. Epigenetics: From Phenomenon to Field
2. A Brief History of Epigenetics 3. Overview and Concepts 4. Epigenetics in Saccharomyces cerevisiae 5. Position Effect Variegation, Heterochro-matin Formation, and Gene Silencing in Drosophila 6. Fungal Models for Epigenetic Research: Schizosaccharomyces pombe and Neurospora crassa 7. Epigenetics of Ciliates 8. RNAi and Heterochromatin Assembly 9. Epigenetic Regulation in Plants 10. Chromatin Modifications and Their Mechanism of Action 11. Transcriptional Silencing by Polycomb Group Proteins 12. Transcriptional Regulation by Trithorax Group Proteins 13. Histone Variants and Epigenetics 14. Epigenetic Regulation of Chromosome Inheritance 15. Epigenetic Regulation of the X Chromosomes in C. elegans 16. Dosage Compensation in Drosophila 17. Dosage Compensation in Mammals 18. DNA Methylation in Mammals 19. Genomic Imprinting in Mammals 20. Germ Line and Pluripotent Stem Cells 21. Epigenetic Control of Lymphopoiesis 22. Nuclear Transplantation and the Reprogramming of the Genome 23. Epigenetics and Human Disease 24. Epigenetic Determinants of Cancer Appendices Index
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