ArticleMolecular plant pathology2018
Interplay of classic Exp and specific Vfm quorum sensing systems on the phenotypic features of Dickeya solani strains exhibiting different virulence levels.
Article in Molecular plant pathology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed.
- A Hierarchical OhrR-EmrR Regulatory Circuit Fine-Tunes the Vfm Quorum- Sensing System and Virulence in Dickeya oryzae.Molecular plant pathology · 2026Article
- Auxin biosynthesis and signaling drive virulence and plant adaptation in Dickeya dadantii.PLoS pathogens · 2026Article
- A critical review of natural quorum-sensing inhibitors as molecular anti-virulence agents against phytopathogenic bacteria.Archives of microbiology · 2026Review
- Quorum-quenching halotolerant bacteria as biocontrol agents against potato phytopathogens.Scientific reports · 2025Article
- Effects of theBiofilm · 2025Article
- Gene expression analyses on Dickeya solani strains of diverse virulence levels unveil important pathogenicity factors for this species.Scientific reports · 2025Article
- Article
- Pseudomonas chlororaphis L5 and Enterobacter asburiae L95 biocontrol Dickeya soft rot diseases by quenching virulence factor modulating quorum sensing signal.Microbial biotechnology · 2023Article
- The Role of Intercellular Signaling in the Regulation of Bacterial Adaptive Proliferation.International journal of molecular sciences · 2023Article
- Dissimilar gene repertoires ofFrontiers in plant science · 2023Article
- Article
- Quorum-Sensing Master Regulator VfmE Is a c-di-GMP Effector That Controls Pectate Lyase Production in the Phytopathogen Dickeya dadantii.Microbiology spectrum · 2022Article
- Specificity and genetic polymorphism in the Vfm quorum sensing system of plant pathogenic bacteria of the genus Dickeya.Environmental microbiology · 2022Article
- Genomic and phenotypic biology of a novelFrontiers in microbiology · 2022Article
- Dickeya Manipulates Multiple Quorum Sensing Systems to Control Virulence and Collective Behaviors.Frontiers in plant science · 2022Review
- Article
- Review
- Exploration of the Quorum-Quenching Mechanism inFrontiers in microbiology · 2021Article
- Comparative genomics and pangenome-oriented studies reveal high homogeneity of the agronomically relevant enterobacterial plant pathogen Dickeya solani.BMC genomics · 2020Article
- Comparison of Highly and Weakly VirulentFrontiers in microbiology · 2018Article
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3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Bacteria from the genus Dickeya cause severe symptoms on numerous economically important plants. Dickeya solani is the Dickeya species most frequently found on infected potato plants in Europe. D. solani strains from different countries show high genetic homogeneity, but significant differences in their virulence level. Dickeya species possess two quorum sensing (QS) mechanisms: the Exp system based on classic N-acyl-homoserine lactone (AHL) signals and a specific system depending on the production and perception of a molecule of unknown structure, Virulence Factor Modulating (VFM). To study the interplay between these two QS systems, five D. solani strains exhibiting different virulence levels were selected. Mutants were constructed by inactivating genes coding for each QS system. Double mutants were obtained by simultaneous inactivation of genes coding for both QS systems. Most of the D. solani mutants showed an attenuation of chicory maceration and a decreased production of plant cell wall-degrading enzymes (PCWDEs) and motility, but to different degrees depending on the strain. The VFM-QS system seems to regulate virulence in both D. solani and Dickeya dadantii, but the AHL-QS system has greater effects in D. solani than in D. dadantii. The inactivation of both QS systems in D. solani did not reveal any additive effect on the tested features. The inactivation of vfm genes generally has a more dominant effect relative to that of exp genes. Thus, VFM- and AHL-QS systems do not work in synergy to modulate the production of diverse virulence factors and the ability to macerate plant tissue.
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