Journal
FRONTIERS IN PLANT SCIENCE
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2019.01728
Keywords
plants; light; photoperception; nucleus; chromatin; 3D genome
Categories
Funding
- EPIPLANT Groupement de Recherche (France)
- Velux Foundation (Switzerland)
- MEMOLIFE [ANR-10-LABX-54]
- PSL* Research University [ANR-11-IDEX-0001-02]
- French National Research Agency [ANR-18-CE13-0004-01, ANR-17-CE12-0026-02, ANR-14-CE02-0010]
- COST Action [CA16212 INDEPTH]
- Agence Nationale de la Recherche (ANR) [ANR-18-CE13-0004] Funding Source: Agence Nationale de la Recherche (ANR)
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Plants use solar radiation as energy source for photosynthesis. They also take advantage of the information provided by the varying properties of sunlight, such as wavelength, orientation, and periodicity, to trigger physiological and developmental adaptations to a changing environment. After more than a century of research efforts in plant photobiology, multiple light signaling pathways converging onto chromatin-based mechanisms have now been identified, which in some instances play critical roles in plant phenotypic plasticity. In addition to locus-specific changes linked to transcription regulation, light signals impact higher-order chromatin organization. Here, we summarize current knowledge on how light can affect the global composition and the spatial distribution of chromatin domains. We introduce emerging questions on the functional links between light signaling and the epigenome, and further discuss how different chromatin regulatory layers may interconnect during plant adaptive responses to light.
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