Transcriptional regulatory network of the light signaling pathways.
chromatin modifications
light signaling
light-responsive genes
photomorphogenesis
photoreceptors
transcription factors (TFs)
transcriptional regulation
Journal
The New phytologist
ISSN: 1469-8137
Titre abrégé: New Phytol
Pays: England
ID NLM: 9882884
Informations de publication
Date de publication:
08 2020
08 2020
Historique:
received:
14
12
2019
accepted:
19
03
2020
pubmed:
15
4
2020
medline:
15
5
2021
entrez:
15
4
2020
Statut:
ppublish
Résumé
The developmental program by which plants respond is tightly controlled by a complex cascade in which photoreceptors perceive and transduce the light signals that drive signaling processes and direct the transcriptional reprogramming, yielding specific cellular responses. The molecular mechanisms involved in the transcriptional regulation include light-regulated nuclear localization (the phytochromes and UVR8) and nuclear accumulation (the cryptochrome, cry2) of photoreceptors. This regulatory cascade also includes master regulatory transcription factors (TFs) that bridge photoreceptor activation with chromatin remodeling and regulate the expression of numerous light-responsive genes. Light signaling-related TFs often function as signal convergence points in concert with TFs in other signaling pathways to integrate complex endogenous and environmental cues that help the plant adapt to the surrounding environment. Increasing evidence suggests that chromatin modifications play a critical role in regulating light-responsive gene expression and provide an additional layer of light signaling regulation. Here, we provide an overview of our current knowledge of the transcriptional regulatory network involved in the light response, particularly the roles of TFs and chromatin in regulating light-responsive gene expression.
Substances chimiques
Cryptochromes
0
Phytochrome
11121-56-5
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
683-697Informations de copyright
© 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.
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