Cited by 397Gut microbiota and healthMicrobial Metabolites in Food BiotechnologyFood composition and properties

Gut microbiota richness promotes its stability upon increased dietary fibre intake in healthy adults

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Tap, Julien, Furet, Jean‐Pierre, Bensaada, Martine, Philippe, Catherine, Roth, Hubert, Rabot, Sylvie, Lakhdari, Omar, Lombard, Vincent +5 more·2015·Environmental Microbiology

Abstract

Summary: Gut microbiota richness and stability are important parameters in host–microbe symbiosis. Diet modification, notably using dietary fibres, might be a way to restore a high richness and stability in the gut microbiota. In this work, during a 6‐week nutritional trial, 19 healthy adults consumed a basal diet supplemented with 10 or 40 g dietary fibre per day for 5 days, followed by 15‐day washout periods. Fecal samples were analysed by a combination of 16S r RNA gene pyrosequencing, intestinal cell genotoxicity assay, metatranscriptomics sequencing approach and short‐chain fatty analysis. This short‐term change in the dietary fibre level did not have the same impact for all individuals but remained significant within each individual gut microbiota at genus level. Higher microbiota richness was associated with higher microbiota stability upon increased dietary fibre intake. Increasing fibre modulated the expression of numerous microbiota metabolic pathways such as glycan metabolism, with genes encoding carbohydrate‐active enzymes active on fibre or host glycans. High microbial richness was also associated with high proportions of Prevotella and Coprococcus species and high levels of caproate and valerate. This study provides new insights on the role of gut microbial richness in healthy adults upon dietary changes and host microbes' interaction

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  • Increased intake of dietary fiber is associated with an increase in gut microbial richness and/or diversity, especially in individuals with reduced diversity.

    “increased intake of dietary fiber has been associated with an increase in gut microbial richness and/or diversity, especially in individuals with reduced diversity [206].”

    From The athletic gut microbiota (2020) · cites this paper as [206]

  • Intact cereal fibers increase the abundance of Actinobacteria, Bifidobacterium, Clostridium, Lachnospira, Akkermansia, and Roseburia in humans.

    “whereas intact cereal fibers (e.g., wholegrain cereals, barley fiber, wheat bran, and rye fiber) increase the abundance of Actinobacteria, Bifidobacterium, Clostridium, Lachnospira, Akkermansia, and Roseburia in humans (63,65,66,73).”
  • Baseline bacterial richness and diversity might be an important predictor of the success of a dietary intervention.

    “Baseline bacterial richness and diversity might be another important predictor of the success of a dietary intervention (66,504).”

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Authors
Tap, J., Furet, J., Bensaada, M., Philippe, C., Roth, H., Rabot, S., Lakhdari, O., Lombard, V., Henrissat, B., Corthier, G., Fontaine, E., Doré, J., & Leclerc, M.
Affiliations
  • Microbiologie de l’alimentation au service de la santé (FR)
  • Inserm (FR)
  • Centre National de la Recherche Scientifique (FR)
  • INRA Micalis Institute UMR1319 Jouy‐en‐Josas 78350 France
Corresponding author
Leclerc, Marion
Venue
Environmental Microbiology
Publisher
Wiley
Published
2015-09-03
Volume
17
Issue
12
Pages
4954-4964
ISSN
  • 1462-2912 (ISSN-L)
  • 1462-2920
OpenAlex
W1790787093
Cited by
397
References
51
Citations by year
2026: 14 · 2025: 33 · 2024: 34 · 2023: 28 · 2022: 62 · 2021: 53 · 2020: 54 · 2019: 46 · 2018: 24 · 2017: 26 · 2016: 21
FWCI
10.27
Type
journal article
Language
en
Open access
Locations
  • Environmental Microbiology (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by-nc-nd)
Funders
French National Agency for Research (ANR/DEDD/PNRA/PROJ/200206-01-01)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Nursing › Nutrition and Dietetics › Microbial Metabolites in Food Biotechnology
  • Health Sciences › Nursing › Nutrition and Dietetics › Food composition and properties
Keywords
microbiome stability, dietary fiber, short-chain fatty acids, host-microbe symbiosis, carbohydrate-active enzymes, glycan metabolism, Prevotella, Coprococcus, caproate, valerate, metatranscriptomics, healthy adults
MeSH terms
Eubacteriales, Gastrointestinal Microbiome, Adult, Diet, Dietary Fiber, Fatty Acids, Feces, Female, Humans, Male, RNA, Ribosomal, 16S, Symbiosis, Prevotella, Dietary Supplements, Young Adult

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