Ecological Epigenetics: An Introduction to the Symposium
2013
Synopsis Phenotypic variation arises from interactions between environmental and genetic variation, and the emergence of such variation is, in part, mediated by epigenetic mechanisms: factors that modify gene expression but do not change the gene sequence, per se. The role of epigenetic variation and inheritance in natural populations, however, remains poorly understood. The budding field of Ecological Epigenetics seeks to extend our knowledge of epigenetic mechanisms and processes to natural populations, and recent conceptual and technical advances have made progress toward this goal more feasible. In light of these breakthroughs, now is a particularly opportune time to develop a framework that will guide and facilitate exceptional studies in Ecological Epigenetics. Toward this goal, the Ecological Epigenetics symposium brought together researchers with diverse strengths in theory, developmental genetics, ecology, and evolution, and the proceedings from their talks are presented in this issue. By characterizing environmentally dependent epigenetic variation in natural populations, we will enhance our understanding of developmental, ecological, and evolutionary phenomena. In particular, ecological epigenetics has the potential to explain how populations endure (or fail to endure) profound and rapid environmental change. Here, my goal is to introduce some of the common goals and challenges shared by those pursuing this critical field.
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