ArticlePLoS genetics2018
Cell polarity protein Spa2 coordinates Chs2 incorporation at the division site in budding yeast.
Article in PLoS genetics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 17 citations in OpenAlex.
- Oligomerization and exocyst coupling underlie Spa2-mediated focusing of polarized growth in fission yeast.Journal of cell science · 2025Article
- The phase-separating Magnaporthe oryzae MoSpa2 complex organizes actin nucleation centers for plant infection.The Plant cell · 2025Article
- Central Role of the Actomyosin Ring in Coordinating Cytokinesis Steps in Budding Yeast.Journal of fungi (Basel, Switzerland) · 2024Review
- Septin Organization and Dynamics for Budding Yeast Cytokinesis.Journal of fungi (Basel, Switzerland) · 2024Review
- TOR complex 1 negatively regulates NDR kinase Cbk1 to control cell separation in budding yeast.PLoS biology · 2023Article
- Chitin Synthesis in Yeast: A Matter of Trafficking.International journal of molecular sciences · 2022Review
- PP2A-Cdc55 phosphatase regulates actomyosin ring contraction and septum formation during cytokinesis.Cellular and molecular life sciences : CMLS · 2022Article
- Echinocandin Drugs Induce Differential Effects in Cytokinesis Progression and Cell Integrity.Pharmaceuticals (Basel, Switzerland) · 2021Article
- The Role of the Cell Integrity Pathway in Septum Assembly in Yeast.Journal of fungi (Basel, Switzerland) · 2021Review
- Molecular mechanisms of contractile-ring constriction and membrane trafficking in cytokinesis.Biophysical reviews · 2018Review
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Deposition of additional plasma membrane and cargoes during cytokinesis in eukaryotic cells must be coordinated with actomyosin ring contraction, plasma membrane ingression and extracellular matrix remodelling. The process by which the secretory pathway promotes specific incorporation of key factors into the cytokinetic machinery is poorly understood. Here, we show that cell polarity protein Spa2 interacts with actomyosin ring components during cytokinesis. Spa2 directly binds to cytokinetic factors Cyk3 and Hof1. The lethal effects of deleting the SPA2 gene in the absence of either Cyk3 or Hof1 can be suppressed by expression of the hypermorphic allele of the essential chitin synthase II (Chs2), a transmembrane protein transported on secretory vesicles that makes the primary septum during cytokinesis. Spa2 also interacts directly with the chitin synthase Chs2. Interestingly, artificial incorporation of Chs2 into the cytokinetic machinery allows the localisation of Spa2 at the site of division. In addition, increased Spa2 protein levels promote Chs2 incorporation at the site of division and primary septum formation. Our data indicate that Spa2 is recruited to the cleavage site to co-operate with the secretory vesicle system and particular actomyosin ring components to promote the incorporation of Chs2 into the so-called 'ingression progression complexes' during cytokinesis in budding yeast.
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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 Socratic graph.