ArticleJournal of bacteriology2007
The plant pathogen Pantoea ananatis produces N-acylhomoserine lactone and causes center rot disease of onion by quorum sensing.
Article in Journal of bacteriology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 85 citations in OpenAlex.
- Whole-genome analysis of Pantoea alfalfae HF1 isolated from shot hole lesions in peach leaves and symptom reproduction by wound inoculation.AMB Express · 2026Article
- Comparative genomics ofMicrobial genomics · 2026Article
- Durable formulations of quorum quenching enzymes.Scientific reports · 2025Article
- Characteristics, Whole-Genome Sequencing and Pathogenicity Analysis ofMicroorganisms · 2023Article
- Unraveling the Diverse Profile of N-Acyl Homoserine Lactone Signals and Their Role in the Regulation of Biofilm Formation inMicroorganisms · 2023Article
- Pest categorisation ofEFSA journal. European Food Safety Authority · 2023Article
- Comparative genomics to examine the endophytic potential of Pantoea agglomerans DAPP-PG 734.BMC genomics · 2022Article
- The Distribution of Onion Virulence Gene Clusters AmongFrontiers in plant science · 2021Article
- Pantoea ananatis carotenoid production confers toxoflavin tolerance and is regulated by Hfq-controlled quorum sensing.MicrobiologyOpen · 2021Article
- AHLs Regulate Biofilm Formation and Swimming Motility ofFrontiers in microbiology · 2019Article
- Functional Characterization of a Global Virulence Regulator Hfq and Identification of Hfq-Dependent sRNAs in the Plant PathogenFrontiers in microbiology · 2019Article
- Transcriptome Profiling Reveals the EanI/R Quorum Sensing Regulon in Pantoea Ananatis LMG 2665Genes · 2018Article
- Article
- Pantoea ananatis: genomic insights into a versatile pathogen.Molecular plant pathology · 2017Article
- Symplasmata are a clonal, conditional, and reversible type of bacterial multicellularity.Scientific reports · 2016Article
- Discovery of Pantoea rodasii strain ND03 that produces N-(3-Oxo-hexanoyl)-L-homoserine lactone.Sensors (Basel, Switzerland) · 2014Article
- Acyl-homoserine lactone recognition and response hindering the quorum-sensing regulator EsaR.PloS one · 2014Article
- Quorum quenching in culturable phyllosphere bacteria from tobacco.International journal of molecular sciences · 2013Article
- Intercellular and intracellular signalling systems that globally control the expression of virulence genes in plant pathogenic bacteria.Molecular plant pathology · 2013Review
- Draft genome sequence of Pantoea sp. strain A4, a Rafflesia-associated bacterium that produces N-acylhomoserine lactones as quorum-sensing molecules.Journal of bacteriology · 2012Article
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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
A number of gram-negative bacteria have a quorum-sensing system and produce N-acyl-l-homoserine lactone (AHL) that they use them as a quorum-sensing signal molecule. Pantoea ananatis is reported as a common colonist of wheat heads at ripening and causes center rot of onion. In this study, we demonstrated that P. ananatis SK-1 produced two AHLs, N-hexanoyl-l-homoserine lactone (C6-HSL) and N-(3-oxohexanoyl)-l-homoserine lactone (3-oxo-C6-HSL). We cloned the AHL-synthase gene (eanI) and AHL-receptor gene (eanR) and revealed that the deduced amino acid sequence of EanI/EanR showed high identity to those of EsaI/EsaR from P. stewartii. EanR repressed the ean box sequence and the addition of AHLs resulted in derepression of ean box. Inactivation of the chromosomal eanI gene in SK-1 caused disruption of exopolysaccharide (EPS) biosynthesis, biofilm formation, and infection of onion leaves, which were recovered by adding exogenous 3-oxo-C6-HSL. These results demonstrated that the quorum-sensing system involved the biosynthesis of EPS, biofilm formation, and infection of onion leaves in P. ananatis SK-1.
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