ArticlePloS one2014
The kiwifruit emerging pathogen Pseudomonas syringae pv. actinidiae does not produce AHLs but possesses three luxR solos.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 41 citations in OpenAlex.
- Fostering plant protection against certain bacterial diseases through quorum-sensing signal molecules: a critical review.Frontiers in plant science · 2025Review
- Review
- Review
- LuxR Solos in the Plant EndophyteApplied and environmental microbiology · 2020Article
- Flexibility and Adaptability of Quorum Sensing in Nature.Trends in microbiology · 2020Review
- N-Acyl Homoserine Lactones and Lux Solos Regulate Social Behaviour and Virulence of Pseudomonas syringae pv. actinidiae.Microbial ecology · 2020Article
- PcsR2 Is a LuxR-Type Regulator That Is Upregulated on Wheat Roots and Is Unique toFrontiers in microbiology · 2020Article
- AHLs-produced bacteria in refrigerated shrimp enhanced the growth and spoilage ability ofJournal of food science and technology · 2019Article
- Inhibition of Virulence-Related Traits inFrontiers in microbiology · 2019Article
- Re-programming of Pseudomonas syringae pv. actinidiae gene expression during early stages of infection of kiwifruit.BMC genomics · 2018Article
- A plant-responsive bacterial-signaling system senses an ethanolamine derivative.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Plant Microbiome and Its Link to Plant Health: Host Species, Organs andFrontiers in plant science · 2018Article
- Article
- Census of solo LuxR genes in prokaryotic genomes.Frontiers in cellular and infection microbiology · 2015Article
- Studies on synthetic LuxR solo hybrids.Frontiers in cellular and infection microbiology · 2015Article
- XocR, a LuxR solo required for virulence in Xanthomonas oryzae pv. oryzicola.Frontiers in cellular and infection microbiology · 2015Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pseudomonas syringae pv. actinidiae (Psa) is an emerging phytopathogen causing bacterial canker disease in kiwifruit plants worldwide. Quorum sensing (QS) gene regulation plays important roles in many different bacterial plant pathogens. In this study we analyzed the presence and possible role of N-acyl homoserine lactone (AHL) quorum sensing in Psa. It was established that Psa does not produce AHLs and that a typical complete LuxI/R QS system is absent in Psa strains. Psa however possesses three putative luxR solos designated here as PsaR1, PsaR2 and PsaR3. PsaR2 belongs to the sub-family of LuxR solos present in many plant associated bacteria (PAB) that binds and responds to yet unknown plant signal molecules. PsaR1 and PsaR3 are highly similar to LuxRs which bind AHLs and are part of the canonical LuxI/R AHL QS systems. Mutation in all the three luxR solos of Psa showed reduction of in planta survival and also showed additive effect if more than one solo was inactivated in double mutants. Gene promoter analysis revealed that the three solos are not auto-regulated and investigated their possible role in several bacterial phenotypes.
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