Cited by 153Probiotics and Fermented FoodsGut microbiota and healthInfant Nutrition and Health

Impact of Probiotics on Colonizing Microbiota of the Gut

Sanders, Mary Ellen·2011·Journal of Clinical Gastroenterology

Abstract

Although precise mechanisms responsible for all demonstrations of probiotic health benefits are not known, many lines of evidence suggest that probiotics function through direct or indirect impact on colonizing microbiota of the gut. Probiotics can directly influence colonizing microbes through multiple mechanisms, including the production of inhibitory compounds (bacteriocins, short chain fatty acids, and others), by producing substrates that might promote the growth of colonizing microbes (secreted exopolysaccharides, vitamins, fatty acids, sugars from undigested carbohydrates and others), and by promoting immune responses against specific microbes. Indirectly, probiotics can influence colonizing microbes by inhibiting attachment through stimulated mucin production, reinforcing gut barrier effects, and downregulation of gut inflammation, thereby promoting microbes that are associated with a healthier gut physiology. Although the value of targeted changes in populations of gut bacteria is a matter of debate, increased levels of Bifidobacterium and Lactobacillus in the gut correlate with numerous health endpoints. Microbiota changes due to probiotic intake include increased numbers of related phylotypes, decreasing pathogens and their toxins, altering bacterial community structure to enhance evenness, stabilizing bacterial communities when perturbed (eg, with antibiotics), or promoting a more rapid recovery from a perturbation. Further research will provide insight into the degree of permanence of probiotic-induced changes, although research to date suggests that continued probiotic consumption is needed for sustained impact.

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Crossref · 10.1097/mcg.0b013e318227414a

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  • Administering a probiotic may change gut community structure in unexpected ways, and these changes may or may not alter community function.

    “It may change community structure in unexpected ways, and these changes may or may not alter community function.138”

    From The Gut Microbiome and the Brain (2014) · cites this paper as [138]

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Authors
Sanders, M. E.
Corresponding author
Sanders, Mary Ellen
Venue
Journal of Clinical Gastroenterology
Published
2011-11
Volume
45
Pages
S115-S119
ISSN
0192-0790 (ISSN-L)
OpenAlex
W1966668014
Cited by
153
References
41
Citations by year
2026: 4 · 2025: 9 · 2024: 10 · 2023: 12 · 2022: 6 · 2021: 10 · 2020: 23 · 2019: 11 · 2018: 12 · 2017: 10 · 2016: 9 · 2015: 5 · 2014: 14 · 2013: 7 · 2012: 10
FWCI
1.38
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Clinical Gastroenterology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Nursing › Nutrition and Dietetics › Infant Nutrition and Health
Keywords
probiotics, gut microbiota, bacteriocins, short-chain fatty acids, exopolysaccharides, mucin production, intestinal barrier, intestinal inflammation, Bifidobacterium, Lactobacillus, bacterial community structure, health benefits of probiotics
MeSH terms
Bacteria, Bifidobacterium, Humans, Intestines, Lactobacillus, Probiotics, Metagenome

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