Evidence map›Paper›PMID 42388301›Full record

ArticleFrontiers in microbiology2026

Cytoplasmic membrane vesicles from

Camila Queraltó, José Rodríguez, Fernando Escobar, Osvaldo Inostroza, Gustavo Saavedra, Giuliana Torres, Ruth González, Daniel Paredes-Sabja, Pablo Castro-Córdova, Alejadro Regaldiz and 5 more

Abstract read
In one paragraph

Article in Frontiers in microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors.

Camila Queraltó *Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile.
José Rodríguez *Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile.
Fernando EscobarMicrobiota-Host Interactions and Clostridia Research Group, Program of Microbiota and Applied Molecular Biology, Center for Biomedical Research and Innovation (CIIB), Universidad de los Andes, Santiago, Chile.
Osvaldo InostrozaMicrobiota-Host Interactions and Clostridia Research Group, Program of Microbiota and Applied Molecular Biology, Center for Biomedical Research and Innovation (CIIB), Universidad de los Andes, Santiago, Chile.
Gustavo SaavedraDepartamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile.
Giuliana TorresDepartamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile.
Ruth GonzálezMicrobiota-Host Interactions and Clostridia Research Group, Program of Microbiota and Applied Molecular Biology, Center for Biomedical Research and Innovation (CIIB), Universidad de los Andes, Santiago, Chile.
Daniel Paredes-SabjaDepartment of Biology, Texas A&M University, College Station, TX, United States.
Pablo Castro-CórdovaIMPACT Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile.
Alejadro RegaldizPrograma de Doctorado en Biociencias Moleculares, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile.
Katina SchinnerlingCentro de Investigación de Resiliencia a Pandemias, Facultad de Ciencias de la Vida e Instituto de Salud Pública, Universidad Andrés Bello, Santiago, Chile.
Jorge A SotoCentro de Investigación de Resiliencia a Pandemias, Facultad de Ciencias de la Vida e Instituto de Salud Pública, Universidad Andrés Bello, Santiago, Chile.
Iván L CalderónCentro de Investigación de Resiliencia a Pandemias, Facultad de Ciencias de la Vida e Instituto de Salud Pública, Universidad Andrés Bello, Santiago, Chile.
Juan A FuentesCentro de Investigación de Resiliencia a Pandemias, Facultad de Ciencias de la Vida e Instituto de Salud Pública, Universidad Andrés Bello, Santiago, Chile.
Fernando GilMicrobiota-Host Interactions and Clostridia Research Group, Program of Microbiota and Applied Molecular Biology, Center for Biomedical Research and Innovation (CIIB), Universidad de los Andes, Santiago, Chile.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction: Bacterial extracellular vesicles are important mediators of host-microbe interactions, facilitating the transport of proteins, toxins, and other bioactive molecules across biological barriers. Although vesicle production has been reported in several Gram-positive pathogens, the environmental factors influencing vesicle characteristics in Methods: Results: CMVs were produced under both culture conditions and displayed the typical spherical morphology observed for bacterial membrane vesicles. Osmotic stress was associated with significant changes in vesicle physicochemical properties. NaCl-derived CMVs exhibited smaller particle diameters and a narrower size distribution than control CMVs. Biochemical analyses showed increased protein content and reduced lipid levels in vesicles produced under high-salinity conditions. Confocal microscopy and flow cytometry demonstrated increased CMV-associated fluorescence in HT-29 cells exposed to NaCl-derived vesicles compared with control vesicles. Vesicle preparations displayed measurable glucosyltransferase-associated enzymatic activity, which increased following vesicle disruption, suggesting the presence of enzyme-associated cargo within the vesicle structure. Discussion: These findings demonstrate that osmotic stress is associated with alterations in the size, composition, and epithelial cell association of CMVs produced by

Indexed as

Clostridioides difficilecytoplasmic membrane vesiclescytotoxicityepithelial cellsNaCl

Identifiers

PMID42388301
PMCPMC13318942

What OpenQuestion holds

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Registered trials

None linked

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.