RNA-directed DNA methylation and transcriptional silencing in Arabidopsis -- The role of DNA methylation in transposable element silencing and genomic imprinting -- Nuclear Bodies and Responses to the Environments -- Plasticity of Chromatin Organization in the Plant Interphase Nucleus -- Role of Epigenetic Modifications in Plant Responses to Environmental Stresses -- Setting the Stage for the Next Generation: Epigenetic Reprogramming during Sexual Plant Reproduction -- Epigenetic Modifications at Developmental Transitions in Arabidopsis -- Mechanisms of Transposable Element Evolution in Plants and their Effects on Gene Expression -- Population Epigenetics.