Cited by 1,020Gut microbiota and healthMicrobial Metabolites in Food BiotechnologyProbiotics and Fermented Foods

Links between diet, gut microbiota composition and gut metabolism

Open access
Flint, Harry J., Duncan, Sylvia H., Scott, Karen P., Louis, Petra·2015·Proceedings of the Nutrition Society

Abstract

The gut microbiota and its metabolic products interact with the host in many different ways, influencing gut homoeostasis and health outcomes. The species composition of the gut microbiota has been shown to respond to dietary change, determined by competition for substrates and by tolerance of gut conditions. Meanwhile, the metabolic outputs of the microbiota, such as SCFA, are influenced both by the supply of dietary components and via diet-mediated changes in microbiota composition. There has been significant progress in identifying the phylogenetic distribution of pathways responsible for formation of particular metabolites among human colonic bacteria, based on combining cultural microbiology and sequence-based approaches. Formation of butyrate and propionate from hexose sugars, for example, can be ascribed to different bacterial groups, although propionate can be formed via alternative pathways from deoxy-sugars and from lactate by a few species. Lactate, which is produced by many gut bacteria in pure culture, can also be utilised by certain Firmicutes to form butyrate, and its consumption may be important for maintaining a stable community. Predicting the impact of diet upon such a complex and interactive system as the human gut microbiota not only requires more information on the component groups involved but, increasingly, the integration of such information through modelling approaches.

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  • Bifidobacterium and Lactobacillus spp. produce lactate and acetate and can increase butyrate production through cross-feeding interactions with butyrate-producing species such as Eubacterium rectale.

    “Bifidobacterium and Lactobacillus spp. produce lactate and acetate and can also increase production of butyrate through cross-feeding interactions with the butyrate-producing species, such as Eubacterium rectale.130–132”
  • Important factors such as age, birth method or delivery route, antibiotic use, and diet shape the gut microbiota.

    “Important factors such as age, birth method, antibiotic use, and diet have been established as formative factors that shape the gut microbiota.”

    From The athletic gut microbiota (2020) · cites this paper as [9]

  • Beneficial microbes that produce butyrate include F. prausnitzii, E. rectale, E. hallii, and R. bromii.

    “This group of beneficial microbes include the taxa Faecalibacterium prausnitzii (F. prausnitzii), Eubacterium rectale (E. rectale), E. hallii, and Ruminococcus bromii (R. bromii) [36].”

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Authors
Flint, H. J., Duncan, S. H., Scott, K. P., & Louis, P.
Affiliations
University of Aberdeen (GB)
Corresponding author
Flint, Harry J.
Venue
Proceedings of the Nutrition Society
Published
2014-09-30
Volume
74
Issue
1
Pages
13-22
ISSN
  • 0029-6651 (ISSN-L)
  • 1475-2719
OpenAlex
W2159924324
Cited by
1,020
References
12
Citations by year
2026: 63 · 2025: 100 · 2024: 120 · 2023: 116 · 2022: 106 · 2021: 128 · 2020: 108 · 2019: 90 · 2018: 95 · 2017: 39 · 2016: 37 · 2015: 12
FWCI
12.02
Type
journal article
Language
en
Open access
Locations
  • Proceedings of The Nutrition Society (publishedVersion)
  • PubMed (publishedVersion)
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
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
Keywords
gut microbiota, diet, intestinal metabolism, short-chain fatty acids, butyrate, propionate, lactate, colonic bacteria, bacterial metabolic pathways, intestinal homeostasis, Firmicutes, microbial community stability
MeSH terms
Butyrates, Feeding Behavior, Fermentation, Humans, Intestinal Mucosa, Intestines, Propionates, Lactic Acid, Microbiota

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