Gut Microbiome and Nutrients: The Two Variables, Determining Factors for Human Traits and Diseases

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Gut Microbiota".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 4858

Special Issue Editor


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Guest Editor
Department of Biomedical Sciences and Institute for Medical Science, School of Medicine, Chonbuk National University, Jeonju, Republic of Korea
Interests: gut microbiome; trait; disease; nutrient; gene; composition of the gut microbiome
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Special Issue Information

Dear Colleagues,

The gut microbiome has opened a new horizon for biological science by showing that the gut microbiome contributes significantly to the traits of humans and diseases as much as genes. The etiological role of the gut microbiome has been shown with atherosclerosis, hypertension, obesity, diabetes, metabolic syndrome, inflammatory bowel disease, gastrointestinal tract malignancies, hepatic encephalopathy, allergies, migraines, autism, neurological diseases, psychological diseases, etc. Alteration of the gut microbial composition even affects behavior, intelligence, mood, and other psychological traits of the hosts through the gut–brain axis.

In the gut, the growth of each bacterium is primarily determined by nutrients, suggesting them as the main determining factors for the composition of the gut microbiome. Considering microbes’ dependency on specific nutrients, the gut microbiota could be the missing link between nutrients and human traits. Thus, the effect of nutrients on human traits and diseases would be the combined results from the nutrients and the gut microbiome.

The aim of this Special Issue is to gather more information on the gut microbiome and nutrients. We would like to invite researchers to submit their research or review articles on the gut microbiome and nutrients concerning various aspects.

Dr. Seong-Tshool Hong
Guest Editor

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Keywords

  • Gut microbiome
  • Trait
  • Disease
  • Nutrient
  • Gene
  • Composition of the gut microbiome

Published Papers (1 paper)

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Research

17 pages, 7217 KiB  
Article
Host Factors Affect the Gut Microbiome More Significantly than Diet Shift
by Enkhchimeg Lkhagva, Hea-Jong Chung, Ji-Seon Ahn and Seong-Tshool Hong
Microorganisms 2021, 9(12), 2520; https://0-doi-org.brum.beds.ac.uk/10.3390/microorganisms9122520 - 06 Dec 2021
Cited by 9 | Viewed by 4255
Abstract
The determining factors of the composition of the gut microbiome are one of the main interests in current science. In this work, we compared the effect of diet shift (DS) from heavily relying on meatatarian diets to vegetarian diets and physical exercise (EX) [...] Read more.
The determining factors of the composition of the gut microbiome are one of the main interests in current science. In this work, we compared the effect of diet shift (DS) from heavily relying on meatatarian diets to vegetarian diets and physical exercise (EX) on the composition of the gut microbiome after 3 months. Although both DS and EX affected the composition of the gut microbiome, the patterns of alteration were different. The α-diversity analyzed by InvSimpson, Shannon, Simpson, and Evenness showed that both EX and DS affected the microbiome, causing it to become more diverse, but EX affected the gut microbiome more significantly than DS. The β-diversity analyses indicated that EX and DS modified the gut microbiome in two different directions. Co-occurrence network analysis confirmed that both EX and DS modified the gut microbiome in different directions, although EX modified the gut microbiome more significantly. Most notably, the abundance of Dialister succinatiphilus was upregulated by EX, and the abundances of Bacteroides fragilis, Phascolarctobacterium faecium, and Megasphaera elsdenii were downregulated by both EX and DS. Overall, EX modulated the composition of the gut microbiome more significantly than DS, meaning that host factors are more important in determining the gut microbiome than diets. This work also provides a new theoretical basis for why physical exercise is more health-beneficial than vegetarian diets. Full article
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