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PSEUDO-RESPONSE REGULATORS 9, 7, and 5 Are Transcriptional Repressors in the Arabidopsis Circadian Clock[W][OA]
PSEUDORESPONSE REGULATOR9 (PRR9), PRR7, and PRR5 regulate the Arabidopsis circadian clock. PRR9, PRR7, and PRR5 proteins associate with CIRCADIAN CLOCK ASSOCIATED1 and LATE ELONGATED HYPOCOTYLExpand
PSEUDO-RESPONSE REGULATORS, PRR9, PRR7 and PRR5, together play essential roles close to the circadian clock of Arabidopsis thaliana.
In Arabidopsis thaliana, a number of clock-associated protein components have been identified. Among them, CCA1 (CIRCADIAN CLOCK-ASSOCIATED 1)/LHY (LATE ELONGATED HYPOCOTYL) and TOC1 (TIMING OF CABExpand
Transcriptional repressor PRR5 directly regulates clock-output pathways
The circadian clock is an endogenous time-keeping mechanism that enables organisms to adapt to external daily cycles. The clock coordinates biological activities with these cycles, mainly throughExpand
Transcript profiling of an Arabidopsis PSEUDO RESPONSE REGULATOR arrhythmic triple mutant reveals a role for the circadian clock in cold stress response.
Arabidopsis PSEUDO RESPONSE REGULATOR (PRR) genes are components of the circadian clock mechanism. In order to understand the scope of genome-wide transcriptional regulation by PRR genes, aExpand
Pseudo-Response Regulators (PRRs) or True Oscillator Components (TOCs).
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 theExpand
Direct Repression of Evening Genes by CIRCADIAN CLOCK-ASSOCIATED1 in the Arabidopsis Circadian Clock[OPEN]
Direct binding by CCA1 protein in the morning defines a strong transcriptionally repressed state of PRR5, a mechanism used for temporal regulation of a set of evening-expressed genes, including PRR5.Expand
The Common Function of a Novel Subfamily of B-Box Zinc Finger Proteins with Reference to Circadian-Associated Events in Arabidopsis thaliana
Over 1,600 genes encoding putative transcription factors have been identified in the Arabidopsis genome sequence, however, their physiological functions are not yet fully understood. In this study, aExpand
The Arabidopsis pseudo-response regulators, PRR5 and PRR7, coordinately play essential roles for circadian clock function.
In Arabidopsis thaliana, a number of clock-associated protein factors have been identified. Among them, TOC1 (TIMING OF CAB EXPRESSION 1) is believed to be a component of the central oscillator. TOC1Expand
Impact of clock-associated Arabidopsis pseudo-response regulators in metabolic coordination
In higher plants, the circadian clock controls a wide range of cellular processes such as photosynthesis and stress responses. Understanding metabolic changes in arrhythmic plants and determiningExpand
Arabidopsis clock-associated pseudo-response regulators PRR9, PRR7 and PRR5 coordinately and positively regulate flowering time through the canonical CONSTANS-dependent photoperiodic pathway.
Photoperiodism allows organisms to measure daylength, or external photoperiod, and to anticipate coming seasons. Daylength measurement requires the integration of light signal and temporalExpand