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Nutrients
Special Issues
The Relationship between Diet, Gut Microbes and Human Health
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The Relationship between Diet, Gut Microbes and Human Health

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Nutrition and Public Health".

Deadline for manuscript submissions: 5 November 2024 | Viewed by 2047

Special Issue Editors

Dr. Gwenyth Wallen

E-Mail Website
Guest Editor
Translational, Biobehavioral, and Health Disparities Branch, National Institutes of Health Clinical Center, Bethesda, MD 20892, USA
Interests: sleep; nutrition; micronutrient intake; oral health; health disparities; acculturation
Dr. Jennifer Barb

E-Mail Website
Guest Editor
Data Analytics and TrAnslational Science (DATA) Unit, National Institutes of Health Clinical Center, Bethesda, MD 20892, USA
Interests: oral and gut microbiome; bioinformatics; sleep; nutrition; UPF; omics-based data; micronutrient intake

Special Issue Information

Dear Colleagues,

The bidirectional relationship between the gut microbiome and human health is a rapidly growing area of research. The gut microbiome can harbor trillions of microorganisms, including viruses, bacteria, fungi, and protozoa.  The food that we eat can change the health of the gut microbiome, which in turn can have an impact on human health and disease. The gut microbiome has been linked to overall health and plays a crucial role in metabolic function and human immunity. To date, the impact of dietary intake and diet status on the microbiome is not fully understood; therefore, this Special Issue is aimed at helping to elucidate the interaction between diet and the gut microbiome in terms of human health and disease. This Special Issue invites researchers to help expand our knowledge of the role that diet plays in the gut microbiome and overall host health from a wide range of scientists, including dieticians, physicians, general practitioners, dentists, nurses, bioinformaticists, and epidemiologists. Papers related to ultraprocessed food consumption along with micronutrient intake and their impact on gut microbes and human health will be of special interest, as will any research outlining mechanistic approaches that dietary intake takes in the gut microbiome.

Dr. Gwenyth Wallen
Dr. Jennifer Barb
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nutrients is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nutrition
  • gut microbiome
  • diet
  • health
  • gut-brain axis
  • nutrients
  • fiber
  • dysbiosis
  • UPF
  • inflammation
  • short-chain fatty acid
  • micronutrients
  • metabolic function

Published Papers (2 papers)

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Research

16 pages, 4490 KiB  
Article
Intestinal Barrier Impairment Induced by Gut Microbiome and Its Metabolites in School-Age Children with Zinc Deficiency
by Xiaoqi Chai, Xiaohui Chen, Tenglong Yan, Qian Zhao, Binshuo Hu, Zhongquan Jiang, Wei Guo and Ying Zhang
Nutrients 2024, 16(9), 1289; https://doi.org/10.3390/nu16091289 - 26 Apr 2024
Viewed by 460
Abstract
Zinc deficiency affects the physical and intellectual development of school-age children, while studies on the effects on intestinal microbes and metabolites in school-age children have not been reported. School-age children were enrolled to conduct anthropometric measurements and serum zinc and serum inflammatory factors [...] Read more.
Zinc deficiency affects the physical and intellectual development of school-age children, while studies on the effects on intestinal microbes and metabolites in school-age children have not been reported. School-age children were enrolled to conduct anthropometric measurements and serum zinc and serum inflammatory factors detection, and children were divided into a zinc deficiency group (ZD) and control group (CK) based on the results of serum zinc. Stool samples were collected to conduct metagenome, metabolome, and diversity analysis, and species composition analysis, functional annotation, and correlation analysis were conducted to further explore the function and composition of the gut flora and metabolites of children with zinc deficiency. Beta-diversity analysis revealed a significantly different gut microbial community composition between ZD and CK groups. For instance, the relative abundances of Phocaeicola vulgatus, Alistipes putredinis, Bacteroides uniformis, Phocaeicola sp000434735, and Coprococcus eutactus were more enriched in the ZD group, while probiotic bacteria Bifidobacterium kashiwanohense showed the reverse trend. The functional profile of intestinal flora was also under the influence of zinc deficiency, as reflected by higher levels of various glycoside hydrolases in the ZD group. In addition, saccharin, the pro-inflammatory metabolites, and taurocholic acid, the potential factor inducing intestinal leakage, were higher in the ZD group. In conclusion, zinc deficiency may disturb the gut microbiome community and metabolic function profile of school-age children, potentially affecting human health. Full article
(This article belongs to the Special Issue The Relationship between Diet, Gut Microbes and Human Health)
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23 pages, 1924 KiB  
Article
Knowledge of Dietitians on Gut Microbiota in Health—An Online Survey of the European Federation of the Associations of Dietitians (EFAD)
by Evdokia K. Mitsou, Christina N. Katsagoni and Katarzyna Janiszewska
Nutrients 2024, 16(5), 621; https://doi.org/10.3390/nu16050621 - 23 Feb 2024
Viewed by 1117
Abstract
Explorations of current knowledge of dietitians about gut-health interconnection and the role of diet in gut microbiota manipulation are rather scarce in the literature. In this online survey we assessed the perceived and current knowledge of dietitians across Europe about gut microbiota and [...] Read more.
Explorations of current knowledge of dietitians about gut-health interconnection and the role of diet in gut microbiota manipulation are rather scarce in the literature. In this online survey we assessed the perceived and current knowledge of dietitians across Europe about gut microbiota and systemic health, nutrition as a modulator of the gut ecosystem, and the role of probiotics and prebiotics. Pre-graduate dietetic students and other professionals were also invited to participate. A total of 179 full responses were recorded (dietitians, n = 155), mainly from Southern and Western regions. Most participants (>78.0%) reported an average to good level of perceived knowledge, with significant positive correlations between perceived and current knowledge in all sections and overall (p for all <0.05). Nevertheless, a rather low current knowledge scoring of participants about probiotics and prebiotics was observed. Features such as being a dietitian, having a higher educational level as dietitian and working in an academic/research setting were usually associated with higher current knowledge. Further analysis revealed that dietitians had a trend for higher scoring about probiotics and prebiotics compared to pre-graduate students or other professionals. Moreover, for dietitians, working in an academic or research setting was an independent factor for scoring in the highest quartile in all tested sections and overall (p for all <0.05). In conclusion, this online survey shed some light on the current knowledge of dietitians across Europe about gut microbiota parameters, including dietary modulation, highlighting in parallel possible knowledge determinants. Potential areas for future educational efforts in this rather unexplored field were indicated. Full article
(This article belongs to the Special Issue The Relationship between Diet, Gut Microbes and Human Health)
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