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Gastroenterology. 2014 May;146(6):1564-72. doi: 10.1053/j.gastro.2014.01.058. Epub 2014 Feb 4.

Diet and the intestinal microbiome: associations, functions, and implications for health and disease.

Author information

  • 1Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
  • 2Division of Gastroenterology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address: gdwu@mail.med.upenn.edu.

Abstract

The mutual relationship between the intestinal microbiota and its mammalian host is influenced by diet. Consumption of various nutrients affects the structure of the microbial community and provides substrates for microbial metabolism. The microbiota can produce small molecules that are absorbed by the host and affect many important physiological processes. Age-dependent and societal differences in the intestinal microbiota could result from differences in diet. Examples include differences in the intestinal microbiota of breastfed vs formula-fed infants or differences in microbial richness in people who consume an agrarian plant-based vs a Western diet, which is high in meat and fat. We review how diet affects the structure and metabolome of the human intestinal microbiome and may contribute to health or the pathogenesis of disorders such as coronary vascular disease and inflammatory bowel disease.

Copyright © 2014 AGA Institute. Published by Elsevier Inc. All rights reserved.

KEYWORDS:

Diet; Inflammation; Intestine; Microbiota

PMID:
24503132
[PubMed - indexed for MEDLINE]
PMCID:
PMC4216184
Free PMC Article
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