Plant Chromatin Catches the Sun

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 t...

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Bibliographic Details
Published in:Frontiers in plant science 2020-01, Vol.10, p.1728-1728
Main Authors: Bourbousse, Clara, Barneche, Fredy, Laloi, Christophe
Format: Article
Language:English
Subjects:
3D genome
chromatin
Life Sciences
light
nucleus
photoperception
Plant Science
plants
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Summary: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.
ISSN:1664-462X
1664-462X
DOI:10.3389/fpls.2019.01728