ArticleJournal of cell science2021
APC/CFZR-1 regulates centrosomal ZYG-1 to limit centrosome number.
Article in Journal of cell science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 6 citations in OpenAlex.
- Distinct D-box motifs in SPD-2 mediate APC/CFZR-1-dependent degradation and centrosomal localization in Caenorhabditis elegans embryos.G3 (Bethesda, Md.) · 2026Article
- The Functional Role of S280 within the ZYG-1 Phosphorylation Cluster During Centrosome Assembly inmicroPublication biology · 2026Article
- Distinct D-box Motifs in SPD-2 Mediate APC/CbioRxiv : the preprint server for biology · 2025Article
- SKP1-CUL1-F-box: Key molecular targets affecting disease progression.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025Review
- Site-specific phosphorylation of ZYG-1 regulates ZYG-1 stability and centrosome number.iScience · 2023Article
- The E3 ligase Poe promotes Pericentrin degradation.Molecular biology of the cell · 2023Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Aberrant centrosome numbers are associated with human cancers. The levels of centrosome regulators positively correlate with centrosome number. Thus, tight control of centrosome protein levels is critical. In Caenorhabditis elegans, the anaphase-promoting complex/cyclosome and its co-activator FZR-1 (APC/CFZR-1), a ubiquitin ligase, negatively regulates centrosome assembly through SAS-5 degradation. In this study, we report the C. elegans ZYG-1 (Plk4 in humans) as a potential substrate of APC/CFZR-1. Inhibiting APC/CFZR-1 or mutating a ZYG-1 destruction (D)-box leads to elevated ZYG-1 levels at centrosomes, restoring bipolar spindles and embryonic viability to zyg-1 mutants, suggesting that APC/CFZR-1 influences centrosomal ZYG-1 via the D-box motif. We also show the Slimb/βTrCP-binding (SB) motif is critical for ZYG-1 degradation, substantiating a conserved mechanism by which ZYG-1/Plk4 stability is regulated by the SKP1-CUL1-F-box (Slimb/βTrCP)-protein complex (SCFSlimb/βTrCP)-dependent proteolysis via the conserved SB motif in C. elegans. Furthermore, we show that co-mutating ZYG-1 SB and D-box motifs stabilizes ZYG-1 in an additive manner, suggesting that the APC/CFZR-1 and SCFSlimb/βTrCP ubiquitin ligases function cooperatively for timely ZYG-1 destruction in C. elegans embryos where ZYG-1 activity remains at threshold level to ensure normal centrosome number.
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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.