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Cited by 494

The DOI matches its Crossref record; 75 of the 75 references it cites were found in a registry or an index.

The HY5-PIF Regulatory Module Coordinates Light and Temperature Control of Photosynthetic Gene Transcription

Open access
Toledo-Ortiz, Gabriela, Johansson, Henrik, Lee, Keun Pyo, Bou-Torrent, Jordi, Stewart, Kelly, Steel, Gavin, Rodríguez-Concepción, Manuel, Halliday, Karen J.·2014·PLoS Genetics

Abstract

The ability to interpret daily and seasonal alterations in light and temperature signals is essential for plant survival. This is particularly important during seedling establishment when the phytochrome photoreceptors activate photosynthetic pigment production for photoautotrophic growth. Phytochromes accomplish this partly through the suppression of phytochrome interacting factors (PIFs), negative regulators of chlorophyll and carotenoid biosynthesis. While the bZIP transcription factor long hypocotyl 5 (HY5), a potent PIF antagonist, promotes photosynthetic pigment accumulation in response to light. Here we demonstrate that by directly targeting a common promoter cis-element (G-box), HY5 and PIFs form a dynamic activation-suppression transcriptional module responsive to light and temperature cues. This antagonistic regulatory module provides a simple, direct mechanism through which environmental change can redirect transcriptional control of genes required for photosynthesis and photoprotection. In the regulation of photopigment biosynthesis genes, HY5 and PIFs do not operate alone, but with the circadian clock. However, sudden changes in light or temperature conditions can trigger changes in HY5 and PIFs abundance that adjust the expression of common target genes to optimise photosynthetic performance and growth.

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Crossref · 10.1371/journal.pgen.1004416

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Metadata

Authors
Toledo-Ortiz, G., Johansson, H., Lee, K. P., Bou-Torrent, J., Stewart, K., Steel, G., Rodríguez-Concepción, M., & Halliday, K. J.
Venue
PLoS Genetics
Published
2014-06-12
Volume
10
Issue
6
Pages
e1004416
ISSN
  • 1553-7390 (ISSN-L)
  • 1553-7404
OpenAlex
W2072695931
Cited by
494
References
75
FWCI
25.23
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: The HY5-PIF Regulatory Module Coordinates Light and Temperature Control of Photosynthetic Gene Transcription. https://app.cochat.ai/papers/10.1371/journal.pgen.1004416
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Toledo-Ortiz, G., Johansson, H., Lee, K. P., Bou-Torrent, J., Stewart, K., Steel, G., Rodríguez-Concepción, M., & Halliday, K. J. (2014). The HY5-PIF Regulatory Module Coordinates Light and Temperature Control of Photosynthetic Gene Transcription. PLoS Genetics. https://doi.org/10.1371/journal.pgen.1004416

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.