ArticleScientific reports2025
Achromobacter xylosoxidans modulates Pseudomonas aeruginosa virulence through a complex multi-target competition.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Siderophore sharing protects clonalApplied and environmental microbiology · 2026Article
- From an emerging pathogen to therapeutic challenges: advances inFrontiers in microbiology · 2026Review
- Establishment ofFrontiers in microbiology · 2026Article
- Achromobacter spp.: Emerging pathogens in the cystic fibrosis lung.PLoS pathogens · 2025Article
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Authors and funding
12 authors.
Funding
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Abstract
The colonization and persistence of Pseudomonas aeruginosa in chronically diseased lungs are driven by various virulence factors. However, pulmonary infections in cystic fibrosis (CF) patients are predominantly polymicrobial. While Achromobacter xylosoxidans is an opportunistic pathogen in these patients, its impact on P. aeruginosa virulence during co-infection remains largely unknown. This study investigated P. aeruginosa interaction with two clonally related A. xylosoxidans strains, Ax 198 and Ax 200, co-isolated from CF sputum. We found that the interaction was strain-dependent, with Ax 200 significantly reducing P. aeruginosa virulence in a zebrafish model, providing the first in vivo evidence of this interaction. Proteomic analysis revealed that P. aeruginosa proteome was differently impacted by the two A. xylosoxidans strains, with Ax 200 altering proteins involved in biofilm formation, swimming motility, iron acquisition, and secretion systems. These findings were validated by phenotypic assays, confirming that A. xylosoxidans affected major P. aeruginosa virulence phenotypes, including biofilm formation, swimming motility, and siderophore production. Genetic analysis confirmed that distinct regulatory mechanisms, including iron cycle pathways, may account for the strain-dependent effects. These findings reveal a novel multi-target competitive mechanism through which A. xylosoxidans significantly disrupts P. aeruginosa virulence.
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