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Pseudo-Response Regulators (PRRs) or True Oscillator Components (TOCs)
Abstract
In Arabidopsis thaliana, AUTHENTIC RESPONSE REGULATORS (ARRs) act as downstream components of the His-to-Asp phosphorelay (two-component) signaling pathway that is propagated primarily by the cytokinin receptor kinases, AUTHENTIC HIS-KINASES (AHK2, AHK3 and AHK4/CRE1). Thus, this bacterial type of signaling system is essential for responses to a class of hormones in plants. Interestingly, this higher plant has also evolved its own atypical (or unique) variants of two-component signal transducers, PSEUDO-RESPONSE REGULATORS (PRRs). Several lines of recent results suggest that the functions of PRRs are closely relevant to the plant clock (oscillator) that is central to circadian rhythms, the underlying mechanisms of which have long been the subject of debate. Through an overview of recent results, the main issue addressed here is whether or not the pseudo-response regulators (PRRs) are true oscillator components (TOCs).
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Citations
Cited by
The clock gene circuit in Arabidopsis includes a repressilator with additional feedback loops
Pokhilko, A., Fernández, A. P., Edwards, K. D., Southern, M. M., Halliday, K. J., & Millar, A. J. (2012) · Molecular Systems Biology · doi:10.1038/msb.2012.6 · Cited by 409
Higgins, J. A., Bailey, P. C., & Laurie, D. A. (2010) · PLoS ONE · doi:10.1371/journal.pone.0010065 · Cited by 280
Metadata
- Authors
- Mizuno, T., & Nakamichi, N.
- Venue
- Plant and Cell Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2005-05-01
- Volume
- 46
- Issue
- 5
- Pages
- 677-685
- ISSN
- 0032-0781 (ISSN-L)
- 1471-9053
- OpenAlex
- W2121306063
- Cited by
- 204
- References
- 0
- FWCI
- 25.24
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Pseudo-Response Regulators (PRRs) or True Oscillator Components (TOCs). https://app.cochat.ai/papers/10.1093/pcp/pci087
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- Mizuno, T., & Nakamichi, N. (2005). Pseudo-Response Regulators (PRRs) or True Oscillator Components (TOCs). Plant and Cell Physiology. https://doi.org/10.1093/pcp/pci087
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
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.
