Cited by 2,387Probiotics and Fermented FoodsEscherichia coli research studiesGut microbiota and health

The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.

Bifidobacteria can protect from enteropathogenic infection through production of acetate

Abstract

The human gut is colonized with a wide variety of microorganisms, including species, such as those belonging to the bacterial genus Bifidobacterium, that have beneficial effects on human physiology and pathology. Among the most distinctive benefits of bifidobacteria are modulation of host defence responses and protection against infectious diseases. Nevertheless, the molecular mechanisms underlying these effects have barely been elucidated. To investigate these mechanisms, we used mice associated with certain bifidobacterial strains and a simplified model of lethal infection with enterohaemorrhagic Escherichia coli O157:H7, together with an integrated 'omics' approach. Here we show that genes encoding an ATP-binding-cassette-type carbohydrate transporter present in certain bifidobacteria contribute to protecting mice against death induced by E. coli O157:H7. We found that this effect can be attributed, at least in part, to increased production of acetate and that translocation of the E. coli O157:H7 Shiga toxin from the gut lumen to the blood was inhibited. We propose that acetate produced by protective bifidobacteria improves intestinal defence mediated by epithelial cells and thereby protects the host against lethal infection.

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Crossref · 10.1038/nature09646

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Metadata

Authors
Fukuda, S., Toh, H., Hase, K., Oshima, K., Nakanishi, Y., Yoshimura, K., Tobe, T., Clarke, J. M., Topping, D. L., Suzuki, T., Taylor, T. D., Itoh, K., Kikuchi, J., Morita, H., Hattori, M., & Ohno, H.
Affiliations
  • RIKEN (JP)
  • RIKEN Advanced Science Institute (JP)
  • The University of Tokyo (JP)
  • The University of Osaka (JP)
  • Commonwealth Scientific and Industrial Research Organisation (AU)
  • Gifu University (JP)
  • Azabu University (JP)
  • Chiba University (JP)
Corresponding author
  • Hattori, Masahira
  • Ohno, Hiroshi
Venue
Nature
Published
2011-01
Volume
469
Issue
7331
Pages
543-547
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2045119680
Cited by
2,387
References
48
Citations by year
2026: 138 · 2025: 166 · 2024: 199 · 2023: 161 · 2022: 208 · 2021: 244 · 2020: 199 · 2019: 155 · 2018: 162 · 2017: 155 · 2016: 130 · 2015: 129 · 2014: 121 · 2013: 90 · 2012: 93
FWCI
158.47
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
Japan Society for the Promotion of Science (22689017)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Immunology and Microbiology › Microbiology › Escherichia coli research studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
Bifidobacterium longum, acetate, Escherichia coli O157:H7, probiotics, ABC transporters, carbohydrate transport, gut microbiota
MeSH terms
Acetates, Animals, Bifidobacterium, Chlorocebus aethiops, Escherichia coli Infections, Molecular Sequence Data, Vero Cells, Genome, Bacterial, Escherichia coli O157, Gene Expression Profiling, Mice

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