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Article

Temporal orchestration of PRRs fine-tunes circadian pacing and anticipates environmental cues.

Cell reports - 27 Jan 2026

Liu Mingming, Liu Yujie, Gao Shiqi, Liang Lele, Xu Wenjie, Huang Zhenglian, Duan Xujia, Wang Xiaoyu, Yuan Li, McClung C Robertson, Xu Xiaodong, Xie Qiguang

Abstract excerpt

The five pseudo-response regulators (PRRs) in Arabidopsis are key transcriptional repressors in regulating the circadian clock, yet the mechanisms by which they cooperate to maintain circadian homeostasis and adapt to environmental changes remains unclear. We show that PRR9, PRR5, and TOC1 have interchangeable roles in determining circadian pace through promoter swapping and chromatin immunoprecipitation assays....

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Source

Identifiers

PMID: 41505252
DOI: 10.1016/j.celrep.2025.116787

Genes

PRR5
PRR9

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 23 Oct 2026.

Related research

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Research trail→

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Temporal orchestration of PRRs fine-tunes circadian pacing and anticipates environmental cues.PMID 41505252Read ↗

Transcriptional repressor PRR5 directly regulates clock-output pathways.Semantic proximity Read ↗

Direct Repression of Evening Genes by CIRCADIAN CLOCK-ASSOCIATED1 in the Arabidopsis Circadian Clock.Semantic proximity Read ↗

Involvement of Arabidopsis clock-associated pseudo-response regulators in diurnal oscillations of gene expression in the presence of environmental time cues.Semantic proximity Read ↗

Improvement of Arabidopsis Biomass and Cold, Drought and Salinity Stress Tolerance by Modified Circadian Clock-Associated PSEUDO-RESPONSE REGULATORs.Semantic proximity Read ↗

Arabidopsis clock-associated pseudo-response regulators PRR9, PRR7 and PRR5 coordinately and positively regulate flowering time through the canonical CONSTANS-dependent photoperiodic pathway.Semantic proximity Read ↗

Response regulator homologues have complementary, light-dependent functions in the Arabidopsis circadian clock.Semantic proximity Read ↗

Insight into missing genetic links between two evening-expressed pseudo-response regulator genes TOC1 and PRR5 in the circadian clock-controlled circuitry in Arabidopsis thaliana.Semantic proximity Read ↗

Direct regulation of abiotic responses by the Arabidopsis circadian clock component PRR7.Semantic proximity Read ↗

BBX19 fine-tunes the circadian rhythm by interacting with PSEUDO-RESPONSE REGULATOR proteins to facilitate their repressive effect on morning-phased clock genes.Semantic proximity Read ↗

The role of the Arabidopsis morning loop components CCA1, LHY, PRR7, and PRR9 in temperature compensation.Semantic proximity Read ↗

PSEUDO-RESPONSE REGULATORS, PRR9, PRR7 and PRR5, together play essential roles close to the circadian clock of Arabidopsis thaliana.Semantic proximity Read ↗

The Arabidopsis pseudo-response regulators, PRR5 and PRR7, coordinately play essential roles for circadian clock function.Semantic proximity Read ↗

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