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The DET1-COP1-HY5 Pathway Constitutes a Multipurpose Signaling Module Regulating Plant Photomorphogenesis and Thermomorphogenesis
Open accessAbstract
Developmental plasticity enables plants to respond to elevated ambient temperatures by adapting their shoot architecture. On the cellular level, the basic-helix-loop-helix (bHLH) transcription factor phytochrome interacting factor 4 (PIF4) coordinates this response by activating hormonal modules that in turn regulate growth. In addition to an unknown temperature-sensing mechanism, it is currently not understood how temperature regulates PIF4 activity. Using a forward genetic approach in Arabidopsis thaliana, we present extensive genetic evidence demonstrating that the de-etiolated 1 (DET1)-constitutive photomorphogenic 1 (COP1)-elongated hypocotyl 5 (HY5)-dependent photomorphogenesis pathway transcriptionally regulates PIF4 to coordinate seedling growth in response to elevated temperature. Our findings demonstrate that two of the most prevalent environmental cues, light and temperature, share a much larger set of signaling components than previously assumed. Similar to the toolbox concept in animal embryonic patterning, multipurpose signaling modules might have evolved in plants to translate various environmental stimuli into adaptational growth processes.
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Cites
H2A.Z-containing nucleosomes mediate the thermosensory response in Arabidopsis
Kumar, S. V., & Wigge, P. A. (2010) · Cell · doi:10.1016/j.cell.2009.11.006 · Cited by 971
Metadata
- Authors
- Delker, C., Sonntag, L., James, G. V., Janitza, P., Ibañez, C., Ziermann, H., Peterson, T., Denk, K., Mull, S., Ziegler, J., Davis, S. J., Schneeberger, K., & Quint, M.
- Venue
- Cell Reports
- Publisher
- Elsevier BV
- Published
- 2014-12
- Volume
- 9
- Issue
- 6
- Pages
- 1983-1989
- ISSN
- 2211-1247 (ISSN-L)
- OpenAlex
- W2128513862
- Cited by
- 228
- References
- 1
- FWCI
- 14.42
- Type
- journal article
- Language
- en
- Open access
- gold
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- CoChat. (2026). Citation check: The DET1-COP1-HY5 Pathway Constitutes a Multipurpose Signaling Module Regulating Plant Photomorphogenesis and Thermomorphogenesis. https://app.cochat.ai/papers/10.1016/j.celrep.2014.11.043
- The paper
- Delker, C., Sonntag, L., James, G. V., Janitza, P., Ibañez, C., Ziermann, H., Peterson, T., Denk, K., Mull, S., Ziegler, J., Davis, S. J., Schneeberger, K., & Quint, M. (2014). The DET1-COP1-HY5 Pathway Constitutes a Multipurpose Signaling Module Regulating Plant Photomorphogenesis and Thermomorphogenesis. Cell Reports. https://doi.org/10.1016/j.celrep.2014.11.043
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
