ArticleScientific reports2021
Pseudomonas fluorescens F113 type VI secretion systems mediate bacterial killing and adaption to the rhizosphere microbiome.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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35 citing papers in PubMed, 55 citations in OpenAlex.
- The type VI secretion system governs strain maintenance in a wild mammalian gut microbiome.eLife · 2026Article
- Plant-Endophyte Cross-Talk inMicroorganisms · 2026Article
- Tke5 is a Pseudomonas putida toxin that kills plant pathogens by depolarising membranes.Communications biology · 2026Article
- Virulence regulation in the fish pathogenFrontiers in cellular and infection microbiology · 2026Review
- Rhizosphere microbiomes in drought-tolerant and drought-sensitive bermudagrass genotypes: root exudate association.Frontiers in microbiology · 2026Article
- Transcriptome-guided discovery of novel plant-associated genes in a rhizosphere Pseudomonas.Microbiome · 2025Article
- Genomic and functional analyses reveal Pseudomonas granadensis CT364 is a plant growth-promoting endophyte.BMC microbiology · 2025Article
- The Type VI Secretion System of Sinorhizobium fredii USDA257 Is Required for Successful Nodulation With Glycine max cv Pekin.Microbial biotechnology · 2025Article
- TheISME communications · 2025Article
- Investigating the genomic and metabolic abilities of PGPR Pseudomonas fluorescens in promoting plant growth and fire blight management.Molecular genetics and genomics : MGG · 2024Article
- Friends and Foes: Bacteria of the Hydroponic Plant Microbiome.Plants (Basel, Switzerland) · 2024Review
- T6SS in plant pathogens: unique mechanisms in complex hosts.Infection and immunity · 2024Review
- Article
- Phenotypic and Genomic Characterization ofMicroorganisms · 2024Article
- Metabolic and physiological adaptations of microalgal growth-promoting bacterium Azospirillum brasilense growing under biogas atmosphere: a microarray-based transcriptome analysis.Archives of microbiology · 2024Article
- How are microbes helping end hunger?Microbial biotechnology · 2024Article
- The role of the type VI secretion system in the stress resistance of plant-associated bacteria.Stress biology · 2024Review
- Role of extracellular matrix components in biofilm formation and adaptation ofFrontiers in microbiology · 2024Article
- Expanding theFrontiers in microbiology · 2024Article
- HarnessingFrontiers in microbiology · 2024Review
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The genome of Pseudomonas fluorescens F113, a model rhizobacterium and a plant growth-promoting agent, encodes three putative type VI secretion systems (T6SSs); F1-, F2- and F3-T6SS. Bioinformatic analysis of the F113 T6SSs has revealed that they belong to group 3, group 1.1, and group 4a, respectively, similar to those previously described in Pseudomonas aeruginosa. In addition, in silico analyses allowed us to identify genes encoding a total of five orphan VgrG proteins and eight putative effectors (Tfe), some with their cognate immunity protein (Tfi) pairs. Genes encoding Tfe and Tfi are found in the proximity of P. fluorescens F113 vgrG, hcp, eagR and tap genes. RNA-Seq analyses in liquid culture and rhizosphere have revealed that F1- and F3-T6SS are expressed under all conditions, indicating that they are active systems, while F2-T6SS did not show any relevant expression under the tested conditions. The analysis of structural mutants in the three T6SSs has shown that the active F1- and F3-T6SSs are involved in interbacterial killing while F2 is not active in these conditions and its role is still unknown.. A rhizosphere colonization analysis of the double mutant affected in the F1- and F3-T6SS clusters showed that the double mutant was severely impaired in persistence in the rhizosphere microbiome, revealing the importance of these two systems for rhizosphere adaption.
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