ArticlePLoS pathogens2021
A kinase-independent function of PAK is crucial for pathogen-mediated actin remodelling.
Article in PLoS pathogens, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 14 citations in OpenAlex.
- PAK2-driven cytoskeleton-endosome dynamics control macrophage hyperphagia and SIRPA engagement.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- PAK1 regulates oligodendroglial proliferation and repopulation in homeostatic and demyelinating brain.Cellular and molecular life sciences : CMLS · 2025Article
- A role for class I p21-activated kinases in the regulation of the excitability of the actin cytoskeleton.Journal of cell science · 2025Article
- Regulation of Vascular Injury and Repair by P21-Activated Kinase 1 and P21-Activated Kinase 2: Therapeutic Potential and Challenges.Biomolecules · 2024Review
- Control of OPC proliferation and repopulation by the intellectual disability gene PAK1 under homeostatic and demyelinating conditions.bioRxiv : the preprint server for biology · 2024Article
- Review
- Article
- Delivery of Basic Fibroblast Growth Factor Through anFrontiers in pharmacology · 2022Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
The p21-activated kinase (PAK) family regulate a multitude of cellular processes, including actin cytoskeleton remodelling. Numerous bacterial pathogens usurp host signalling pathways that regulate actin reorganisation in order to promote Infection. Salmonella and pathogenic Escherichia coli drive actin-dependent forced uptake and intimate attachment respectively. We demonstrate that the pathogen-driven generation of both these distinct actin structures relies on the recruitment and activation of PAK. We show that the PAK kinase domain is dispensable for this actin remodelling, which instead requires the GTPase-binding CRIB and the central poly-proline rich region. PAK interacts with and inhibits the guanine nucleotide exchange factor β-PIX, preventing it from exerting a negative effect on cytoskeleton reorganisation. This kinase-independent function of PAK may be usurped by other pathogens that modify host cytoskeleton signalling and helps us better understand how PAK functions in normal and diseased eukaryotic cells.
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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.