ArticleThe Journal of cell biology2015
The small G-protein MglA connects to the MreB actin cytoskeleton at bacterial focal adhesions.
Article in The Journal of cell biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed.
- Cell polarity control by an unconventional G-protein complex in bacteria.Nature communications · 2026Article
- Structural and biophysical insights into RomR, MglB, and MglC interactions involved in regulating cell polarity in Myxococcus xanthus.The Journal of biological chemistry · 2025Article
- Milestones in the development ofJournal of bacteriology · 2025Review
- Structural model of a bacterial focal adhesion complex.Communications biology · 2025Article
- A lytic transglycosylase connects bacterial focal adhesion complexes to the peptidoglycan cell wall.eLife · 2024Article
- A lytic transglycosylase connects bacterial focal adhesion complexes to the peptidoglycan cell wall.bioRxiv : the preprint server for biology · 2024Article
- A deterministic, c-di-GMP-dependent program ensures the generation of phenotypically similar, symmetric daughter cells during cytokinesis.Nature communications · 2024Article
- A molecular switch controls assembly of bacterial focal adhesions.Science advances · 2024Article
- A miniTurbo-based proximity labeling protocol to identify conditional protein interactomes in vivo in Myxococcus xanthus.STAR protocols · 2023Article
- Molecular basis and design principles of switchable front-rear polarity and directional migration in Myxococcus xanthus.Nature communications · 2023Article
- Unmasking of the von Willebrand A-domain surface adhesin CglB at bacterial focal adhesions mediates myxobacterial gliding motility.Science advances · 2023Article
- FrzS acts as a polar beacon to recruit SgmX, a central activator of type IV pili during Myxococcus xanthus motility.The EMBO journal · 2023Article
- Mathematical modeling of mechanosensitive reversal control inFrontiers in microbiology · 2023Article
- Cytoskeletal components can turn wall-less spherical bacteria into kinking helices.Nature communications · 2022Article
- A bipartite, low-affinity roadblock domain-containing GAP complex regulates bacterial front-rear polarity.PLoS genetics · 2022Article
- Flagellar Motor Transformed: Biophysical Perspectives of theFrontiers in microbiology · 2022Article
- Roadmap on emerging concepts in the physical biology of bacterial biofilms: from surface sensing to community formation.Physical biology · 2021Review
- Three PilZ Domain Proteins, PlpA, PixA, and PixB, Have Distinct Functions in Regulation of Motility and Development in Myxococcus xanthus.Journal of bacteriology · 2021Article
- Review
- The polar Ras-like GTPase MglA activates type IV pilus via SgmX to enable twitching motility inProceedings of the National Academy of Sciences of the United States of America · 2020Article
Corrections and comments
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Authors and funding
15 authors.
Funding
Abstract
In Myxococcus xanthus the gliding motility machinery is assembled at the leading cell pole to form focal adhesions, translocated rearward to propel the cell, and disassembled at the lagging pole. We show that MglA, a Ras-like small G-protein, is an integral part of this machinery. In this function, MglA stimulates the assembly of the motility complex by directly connecting it to the MreB actin cytoskeleton. Because the nucleotide state of MglA is regulated spatially and MglA only binds MreB in the guanosine triphosphate-bound form, the motility complexes are assembled at the leading pole and dispersed at the lagging pole where the guanosine triphosphatase activating protein MglB disrupts the MglA-MreB interaction. Thus, MglA acts as a nucleotide-dependent molecular switch to regulate the motility machinery spatially. The function of MreB in motility is independent of its function in peptidoglycan synthesis, representing a coopted function. Our findings highlight a new function for the MreB cytoskeleton and suggest that G-protein-cytoskeleton interactions are a universally conserved feature.
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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.