4.5 Editorial Material

Plant epigenetics: phenotypic and functional diversity beyond the DNA sequence

期刊

AMERICAN JOURNAL OF BOTANY
卷 108, 期 4, 页码 553-558

出版社

WILEY
DOI: 10.1002/ajb2.1645

关键词

DNA methylation; environmental change; epigenetic inheritance; evolution; rapid adaptation

资金

  1. Juan de la Cierva-Incorporacion program from the Spanish Ministry of Science, Innovation and Universities [IJC2018-035018-I]
  2. International Human Frontier Science Program Organization (HFSPO) fellowship [LT000496/2018-L]
  3. Spanish Government [EPIENDEM CGL2016-76605-P, EPINTER PID2019-104365GB-I00]
  4. European Union [H2020-MSCA-ITN-2016-764965]

向作者/读者索取更多资源

Research shows that epigenetic variation in plants plays a crucial role in phenotypic variation and adaptive evolution. The diversity and dynamics of plant epigenomes allow them to rapidly respond to various biotic and abiotic stimuli. However, further studies are needed to generalize the relevance of epigenetic regulation in phenotypic innovation and plant adaptation across taxa.
Phenotypic variation determines the capacity of plants to adapt to changing environments and to colonize new habitats. Deciphering the mechanisms contributing to plant phenotypic variation and their effects on plant ecological interactions and evolutionary dynamics is thus central to all biological disciplines. In the past few decades, research on plant epigenetics is showing that (1) epigenetic variation is related to phenotypic variation and that some epigenetic marks drive major phenotypic changes in plants; (2) plant epigenomes are highly diverse, dynamic, and can respond rapidly to a variety of biotic and abiotic stimuli; (3) epigenetic variation can respond to selection and therefore play a role in adaptive evolution. Yet, current information in terms of species, geographic ranges, and ecological contexts analyzed so far is too limited to allow for generalizations about the relevance of epigenetic regulation in phenotypic innovation and plant adaptation across taxa. In this report, we contextualize the potential role of the epigenome in plant adaptation to the environment and describe the latest research in this field presented during the symposium Plant epigenetics: phenotypic and functional diversity beyond the DNA sequence held within the Botany 2020 conference framework in summer 2020.

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