Evidence map›Paper›PMID 33956916›Full record

ArticlePLoS pathogens2021

Colonization of the Caenorhabditis elegans gut with human enteric bacterial pathogens leads to proteostasis disruption that is rescued by butyrate.

Alyssa C Walker, Rohan Bhargava, Alfonso S Vaziriyan-Sani, Christine Pourciau, Emily T Donahue, Autumn S Dove, Michael J Gebhardt, Garrett L Ellward, Tony Romeo, Daniel M Czyż

Open access · goldAbstract read
In one paragraph

Article in PLoS pathogens, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
4.5field-weighted citation impact, top 4% of its field
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

39 citing papers in PubMed, 53 citations in OpenAlex.

  1. The microbiota-proteostasis axis: implications in neurodegenerative diseases.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2026
    Review
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  4. Article
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  7. Hedgehog-related genemicroPublication biology · 2026
    Article
  8. Article
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  13. International journal of molecular sciences · 2024
    Review
  14. Article
  15. Understanding the factors regulating host-microbiome interactions usingPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024
    Review
  16. Multitier regulation of theJournal of bacteriology · 2024
    Article
  17. Article
  18. Article
  19. Article
  20. Review
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

10 authors at 2 institutions in 1 country.

Alyssa C WalkerDepartment of Microbiology & Cell Science, University of Florida, Gainesville, Florida, United States of America.ORCID 0000-0002-3508-7076
Rohan BhargavaDepartment of Microbiology & Cell Science, University of Florida, Gainesville, Florida, United States of America.ORCID 0000-0002-3293-9966
Alfonso S Vaziriyan-SaniDepartment of Microbiology & Cell Science, University of Florida, Gainesville, Florida, United States of America.ORCID 0000-0002-9556-9210
Christine PourciauDepartment of Microbiology & Cell Science, University of Florida, Gainesville, Florida, United States of America.ORCID 0000-0002-0135-2353
Emily T DonahueDepartment of Microbiology & Cell Science, University of Florida, Gainesville, Florida, United States of America.ORCID 0000-0002-0865-5699
Autumn S DoveDepartment of Microbiology & Cell Science, University of Florida, Gainesville, Florida, United States of America.ORCID 0000-0001-9530-8267
Michael J GebhardtDivision of Infectious Diseases, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America.ORCID 0000-0002-1213-8408
Garrett L EllwardDepartment of Microbiology & Cell Science, University of Florida, Gainesville, Florida, United States of America.ORCID 0000-0002-3771-4301
Tony RomeoDepartment of Microbiology & Cell Science, University of Florida, Gainesville, Florida, United States of America.
Daniel M CzyżDepartment of Microbiology & Cell Science, University of Florida, Gainesville, Florida, United States of America.ORCID 0000-0002-7491-5292
University of Florida · USBoston Children's Hospital · US

Funding

Enhancing and expanding the CGC Strain CollectionP40OD010440 · OD · UNIVERSITY OF MINNESOTA · PI Aric L Daul, Ann E. Rougvie · 2012 to 2026
$7.5M
NIH HHS P40 OD010440
6 · The paper itself

Abstract

Protein conformational diseases are characterized by misfolding and toxic aggregation of metastable proteins, often culminating in neurodegeneration. Enteric bacteria influence the pathogenesis of neurodegenerative diseases; however, the complexity of the human microbiome hinders our understanding of how individual microbes influence these diseases. Disruption of host protein homeostasis, or proteostasis, affects the onset and progression of these diseases. To investigate the effect of bacteria on host proteostasis, we used Caenorhabditis elegans expressing tissue-specific polyglutamine reporters that detect changes in the protein folding environment. We found that colonization of the C. elegans gut with enteric bacterial pathogens disrupted proteostasis in the intestine, muscle, neurons, and the gonad, while the presence of bacteria that conditionally synthesize butyrate, a molecule previously shown to be beneficial in neurodegenerative disease models, suppressed aggregation and the associated proteotoxicity. Co-colonization with this butyrogenic strain suppressed bacteria-induced protein aggregation, emphasizing the importance of microbial interaction and its impact on host proteostasis. Further experiments demonstrated that the beneficial effect of butyrate depended on the bacteria that colonized the gut and that this protective effect required SKN-1/Nrf2 and DAF-16/FOXO transcription factors. We also found that bacteria-derived protein aggregates contribute to the observed disruption of host proteostasis. Together, these results reveal the significance of enteric infection and gut dysbiosis on the pathogenesis of protein conformational diseases and demonstrate the potential of using butyrate-producing microbes as a preventative and treatment strategy for neurodegenerative disease.

Indexed as

Gastrointestinal MicrobiomeProteostasisAnimalsButyratesCaenorhabditis elegansCaenorhabditis elegans ProteinsEnterobacteriaceaeEnterobacteriaceae InfectionsHumansPeptidesProtein FoldingButyratesCaenorhabditis elegans ProteinsPeptidespolyglutamine

Identifiers

PMID33956916
PMCPMC8101752
OpenAlexW3158840007

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.