ArticleApplied and environmental microbiology2013
LuxR- and luxI-type quorum-sensing circuits are prevalent in members of the Populus deltoides microbiome.
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 32 papers.
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Who cites it
32 citing papers in PubMed, 71 citations in OpenAlex.
- Review
- Quorum sensing modulates microbial community structure through regulation of secondary metabolites.mSphere · 2025Article
- Phenotypic memory in quorum sensing.PLoS computational biology · 2024Article
- Quorum sensing-related activities of beneficial and pathogenic bacteria have important implications for plant and human health.FEMS microbiology ecology · 2024Review
- Dynamic nitrogen fixation in an aerobic endophyte of Populus.The ISME journal · 2024Article
- Differences in soil physicochemical properties and rhizosphere microbial communities of flue-cured tobacco at different transplantation stages and locations.Frontiers in microbiology · 2023Article
- Protocol: a simple method for biosensor visualization of bacterial quorum sensing and quorum quenching interaction on Medicago roots.Plant methods · 2022Article
- Plant-microbe interactions in the rhizosphere via a circular metabolic economy.The Plant cell · 2022Review
- The structure and assembly of rhizobacterial communities are influenced by poplar genotype.Frontiers in microbiology · 2022Article
- Importance ofPathogens (Basel, Switzerland) · 2021Article
- Metaproteomics reveals insights into microbial structure, interactions, and dynamic regulation in defined communities as they respond to environmental disturbance.BMC microbiology · 2021Article
- Plant Growth Promotion and Induction of Systemic Tolerance to Drought and Salt Stress of Plants by Quorum Sensing Auto-Inducers of theFrontiers in plant science · 2021Article
- Formation, characterization and modeling of emergent synthetic microbial communities.Computational and structural biotechnology journal · 2021Article
- Whole genome sequencing and identification of host-interactive genes in the rice endophytic Leifsonia sp. ku-ls.Functional & integrative genomics · 2020Article
- Quorum Sensing System Affects the Plant Growth Promotion Traits ofFrontiers in microbiology · 2020Article
- Virulence Factor Identification in the Banana Pathogen Dickeya zeae MS2.Applied and environmental microbiology · 2019Article
- The Isolation and Characterization of Kronos, a Novel Caulobacter Rhizosphere Phage that is Similar to Lambdoid Phages.Current microbiology · 2019Article
- Interspecies Chemical Signaling in a Methane-Oxidizing Bacterial Community.Applied and environmental microbiology · 2019Article
- A plant-responsive bacterial-signaling system senses an ethanolamine derivative.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- The State of the Union Is Strong: a Review of ASM's 6th Conference on Cell-Cell Communication in Bacteria.Journal of bacteriology · 2018Review
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We are interested in the root microbiome of the fast-growing Eastern cottonwood tree, Populus deltoides. There is a large bank of bacterial isolates from P. deltoides, and there are 44 draft genomes of bacterial endophyte and rhizosphere isolates. As a first step in efforts to understand the roles of bacterial communication and plant-bacterial signaling in P. deltoides, we focused on the prevalence of acyl-homoserine lactone (AHL) quorum-sensing-signal production and reception in members of the P. deltoides microbiome. We screened 129 bacterial isolates for AHL production using a broad-spectrum bioassay that responds to many but not all AHLs, and we queried the available genome sequences of microbiome isolates for homologs of AHL synthase and receptor genes. AHL signal production was detected in 40% of 129 strains tested. Positive isolates included members of the Alpha-, Beta-, and Gammaproteobacteria. Members of the luxI family of AHL synthases were identified in 18 of 39 proteobacterial genomes, including genomes of some isolates that tested negative in the bioassay. Members of the luxR family of transcription factors, which includes AHL-responsive factors, were more abundant than luxI homologs. There were 72 in the 39 proteobacterial genomes. Some of the luxR homologs appear to be members of a subfamily of LuxRs that respond to as-yet-unknown plant signals rather than bacterial AHLs. Apparently, there is a substantial capacity for AHL cell-to-cell communication in proteobacteria of the P. deltoides microbiota, and there are also Proteobacteria with LuxR homologs of the type hypothesized to respond to plant signals or cues.
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