ArticleApplied and environmental microbiology2013
Regulon studies and in planta role of the BraI/R quorum-sensing system in the plant-beneficial Burkholderia cluster.
Article in Applied and environmental microbiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 27 citations in OpenAlex.
- Functional analysis of three quorum sensing systems in Burkholderia plantarii, the causal agent of rice seedling blight.FEMS microbiology letters · 2026Article
- A rhamnose-rich O-antigen ofJournal of bacteriology · 2025Article
- The Exopolysaccharide Cepacian Plays a Role in the Establishment of theFrontiers in microbiology · 2020Article
- Effect of the luxI/R gene on AHL-signaling molecules and QS regulatory mechanism in Hafnia alvei H4.AMB Express · 2019Article
- Comparative genomics of Paraburkholderia kururiensis and its potential in bioremediation, biofertilization, and biocontrol of plant pathogens.MicrobiologyOpen · 2019Article
- Phosphate deficiency induced biofilm formation of Burkholderia on insoluble phosphate granules plays a pivotal role for maximum release of soluble phosphate.Scientific reports · 2019Article
- Quorum Sensing in Pseudomonas savastanoi pv. savastanoi and Erwinia toletana: Role in Virulence and Interspecies Interactions in the Olive Knot.Applied and environmental microbiology · 2018Article
- Article
- Knots Untie: Molecular Determinants Involved in Knot Formation Induced byFrontiers in plant science · 2017Review
- SigMol: repertoire of quorum sensing signaling molecules in prokaryotes.Nucleic acids research · 2016Article
- The olive knot disease as a model to study the role of interspecies bacterial communities in plant disease.Frontiers in plant science · 2015Review
- Article
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Authors and funding
9 authors at 5 institutions in 5 countries.
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No grant is acknowledged in the PubMed record.
Abstract
The genus Burkholderia is composed of functionally diverse species, and it can be divided into several clusters. One of these, designated the plant-beneficial-environmental (PBE) Burkholderia cluster, is formed by nonpathogenic species, which in most cases have been found to be associated with plants. It was previously established that members of the PBE group share an N-acyl-homoserine lactone (AHL) quorum-sensing (QS) system, designated BraI/R, that produces and responds to 3-oxo-C14-HSL (OC14-HSL). Moreover, some of them also possess a second AHL QS system, designated XenI2/R2, producing and responding to 3-hydroxy-C8-HSL (OHC8-HSL). In the present study, we performed liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) analysis to determine which AHL molecules are produced by each QS system of this group of bacteria. The results showed that XenI2/R2 is mainly responsible for the production of OHC8-HSL and that the BraI/R system is involved in the production of several different AHLs. This analysis also revealed that Burkholderia phymatum STM815 produces greater amounts of AHLs than the other species tested. Further studies showed that the BraR protein of B. phymatum is more promiscuous than other BraR proteins, responding equally well to several different AHL molecules, even at low concentrations. Transcriptome studies with Burkholderia xenovorans LB400 and B. phymatum STM815 revealed that the BraI/R regulon is species specific, with exopolysaccharide production being the only common phenotype regulated by this system in the PBE cluster. In addition, BraI/R was shown not to be important for plant nodulation by B. phymatum strains or for endophytic colonization and growth promotion of maize by B. phytofirmans PsJN.
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