ArticleMicrobiologyOpen2015
Fimbriae-mediated outer membrane vesicle production and invasion of Porphyromonas gingivalis.
Article in MicrobiologyOpen, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 73 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
73 citing papers in PubMed, 1 synthesis or guideline pooled it, 97 citations in OpenAlex.
- Pooled it
- Direct cellular contact byScience advances · 2026Article
- Peptidylarginine deiminase in Porphyromonas gingivalis-derived outer membrane vesicles exacerbates metabolic dysfunction-associated steatotic liver disease through the NPAS2/CYP4A10 pathway.Journal of nanobiotechnology · 2026Article
- Review
- Porphyromonas gingivalis outer membrane vesicles promote alveolar bone resorption by increasing the local RANKL/OPG ratio in experimental periodontitis model rats.Scientific reports · 2026Article
- Association of Porphyromonas gingivalis-infected oral squamous cell carcinoma cell-secreted exosomal miR-3648-1-p5 with tumor progression.Cancer cell international · 2026Article
- Oxidative Stress ReshapesAntibiotics (Basel, Switzerland) · 2026Article
- Porphyromonas gingivalis-derived outer membrane vesicles promote vascular endothelial glycocalyx injury via the PPAD/CitH3/B3GAT1 pathway.Journal of nanobiotechnology · 2026Article
- Microbiome modulation of tumorigenesis and immune responses.Journal of biomedical science · 2026Review
- Article
- Oral-Gut Microbial Crosstalk and Therapeutic Applications of Bacterial Extracellular Vesicles.Biomolecules · 2025Review
- Sub-Inhibitory Concentrations of Metronidazole Enhance Production, Virulence Factor Loading, and Endothelial Cytotoxicity ofMicroorganisms · 2025Article
- Porphyromonas gingivalis extracellular vesicles promotes tumor metastasis in esophageal squamous cell carcinoma by inducing PRKACB/JNK/ NFATC2 axis.Journal of nanobiotechnology · 2025Article
- Porphyromonas gingivalis outer membrane vesicles increase vascular permeability by inducing stress fiber formation and degrading vascular endothelial-cadherin in endothelial cells.The FEBS journal · 2025Article
- Noradrenaline Synergistically EnhancesInternational journal of molecular sciences · 2025Article
- Alzheimer's Disease andLife (Basel, Switzerland) · 2025Review
- Article
- Membrane vesicles from Red Complex bacteria: key players in oral pathogenesis, immune disruption, systemic diseases, and therapeutic insights.Frontiers in oral health · 2025Review
- Outer membrane vesicles ofFrontiers in microbiology · 2025Review
- Outer Membrane Vesicles Derived from Oral Bacteria Act as a Dagger in Host Immunity: Insight Tips from Local Diseases to Systemic Effects.International journal of biological sciences · 2025Review
13 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
Porphyromonas gingivalis is a keystone periopathogen that plays an essential role in the progress of periodontitis. Like other gram-negative bacteria, the ability of P. gingivalis to produce outer membrane vesicles is a strategy used to interact with, and survive within its biological niches. Here we compared the protein components associated with vesicles derived from a fimbriated strain (33277) and an afimbriated strain (W83) of P. gingivalis using proteomic analyses. Some well-known virulence factors were identified in vesicles from both strains, such as gingipains and hemagglutinin. In contrast, FimC, FimD, and FimE, minor components of long fimbriae were found exclusively in 33277 vesicles, while proteins with a tetratricopeptide repeat (TPR) domain were unique to W83 vesicles. We found that significantly more 33277 than W83 vesicles were internalized into human oral keratinocytes and gingival fibroblasts. Interestingly, FimA, a well-known adhesin responsible for the attachment and invasion of P. gingivalis into host cells, was not essential for the invasive capabilities of P. gingivalis vesicles. Rather minor components of long fimbriae were required for an efficient invasive activity of vesicles. The most striking finding was that P. gingivalis strains lacking or having a reduced FimA expression showed a significant reduction in vesiculation. These results suggest that production and pathogenicity of P. gingivalis vesicles may largely depend on expression of the fim locus, and that the integration of vesicle production and pathogenicity with fimbrial expression may allow P. gingivalis to confer upon itself certain functional advantages.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.