ArticleResearch (Washington, D.C.)2023
Phosphorylation Promotes the Accumulation of PERIOD Protein Foci.
Article in Research (Washington, D.C.), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 11 citations in OpenAlex.
- Core clock protein subcellular dynamics coordinate local and global circadian control in syncytia.The Journal of cell biology · 2026Article
- Hsp70s regulate circadian rhythm by interacting with PERIOD.Cell communication and signaling : CCS · 2026Article
- Neuro-immune crosstalk in breast cancer: molecular mechanisms from stress signals to immune escape.Frontiers in immunology · 2026Review
- Core Clock Protein Subcellular Dynamics Coordinate Local and Global Circadian Control in Syncytia.bioRxiv : the preprint server for biology · 2025Article
- Chronobiology of the Tumor Microenvironment: Implications for Therapeutic Strategies and Circadian-Based Interventions.Aging and disease · 2024Review
- Compartmentalized Biomolecular Condensates via Controlled Nucleation.Research (Washington, D.C.) · 2024Article
- ADP-Hep-Induced Liquid Phase Condensation of TIFA-TRAF6 Activates ALPK1/TIFA-Dependent Innate Immune Responses.Research (Washington, D.C.) · 2024Article
- Altered Metabolism and Inflammation Driven by Post-translational Modifications in Intervertebral Disc Degeneration.Research (Washington, D.C.) · 2024Article
- Oxytocin Alleviates Colitis and Colitis-Associated Colorectal Tumorigenesis via Noncanonical Fucosylation.Research (Washington, D.C.) · 2024Article
- Mammalian circadian clock proteins form dynamic interacting microbodies distinct from phase separation.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Mammalian circadian clock proteins form dynamic interacting microbodies distinct from phase separation.bioRxiv : the preprint server for biology · 2023Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Circadian clock drives the 24-h rhythm in our behavior and physiology. The molecular clock consists of a series of transcriptional/translational feedback loops operated by a number of clock genes. A very recent study reported that the clock protein PERIOD (PER) is organized into discrete foci at the nuclear envelope in fly circadian neurons, which is believed to be important for controlling the subcellular localization of clock genes. Loss of inner nuclear membrane protein lamin B receptor (LBR) leads to disruption of these foci, but how they are regulated is yet unknown. Here, we found that PER foci are likely phase-separated condensates, the formation of which is mediated by intrinsically disordered region in PER. Phosphorylation promotes the accumulation of these foci. Protein phosphatase 2A, which is known to dephosphorylate PER, hampers the accumulation of the foci. On the other hand, the circadian kinase DOUBLETIME (DBT) which phosphorylates PER enhances the accumulation of the foci. LBR likely facilitates PER foci accumulation by destabilizing the catalytic subunit of protein phosphatase 2A, MICROTUBULE STAR (MTS). In conclusion, here, we demonstrate a key role for phosphorylation in promoting the accumulation of PER foci, while LBR modulates this process by impinging on the circadian phosphatase MTS.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.