Preface -- Formation of Bacterial Lineages in Salmonella enterica by Epigenetic Mechanisms -- Non-coding RNAs and Chromatin Modifications in the Developmental Control of Imprinted Genes -- Lymphocyte Identity and Genomic Switches -- Epigenetic Imprinting of Immunological Memory -- Short Biologically Active Peptides as Epigenetic Modulators of Gene Activity -- Epigenetic Alterations of Viral and Cellular Genomes in EBV Infected Cells -- Epigenetic Destabilization by Inserting Foreign DNA Into Mammalian Genomes: Oncogenesis and Evolution -- What Mechanisms Induce Methylation of FMR1 Gene Full Mutation? A Still Unanswered Question -- Silencing of Human Cytomegalovirus Gene Expression Mediated by Components of PML Nuclear Bodies -- Azanucleoside DNA Methyltransferase Inhibitor Drugs: Update on Clinical Applications in Myelodysplastic Syndromes and Acute Myeloid Leukemia -- Oxidative Stress and Cancer Epigenomics -- Glossary.