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Microorganisms
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Phenoty** the Athletic Gut Microbiota: The Basis of Health and...
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Phenoty** the Athletic Gut Microbiota: The Basis of Health and Physical Performance?

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

Deadline for manuscript submissions: 30 October 2024 | Viewed by 617

Special Issue Editor

Dr. Jesús Álvarez-Herms

E-Mail Website
Guest Editor
Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country (UPV/EHU), Bilbao, Spain
Interests: physiology; gut microbiota; exercise; hypoxia; nutrition; hyperthermia

Special Issue Information

Dear Colleagues,

Athletic performance is based on the premise that better systemic health directly contributes to reduced illness, injury or impaired biological potential. In recent years, several studies have shown how healthy gut health, including a higher diversity, versatile and beneficial microbiota composition, contributes to increased physical performance. However, while the study of gut microbiota has been growing over the last decade, sports nutritional recommendations remain as mechanistic and reductionist theories: ‘so much you spend, so much you have to eat, so much you have to eat and when’. Phenoty** the microbiota in athletes should provide concrete functions that symbiotically alter physiological functions and contribute to a better biological expression. Future studies should propose an optimal relationship between precision nutrition and the expression of functional phenotypes of physical performance.

I look forward to receiving your contributions.

Dr. Jesús Álvarez-Herms
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at mdpi.longhoe.net 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. Microorganisms is an international peer-reviewed open access monthly 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 2700 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

  • physiology
  • gut microbiota
  • exercise
  • hypoxia
  • nutrition
  • hyperthermia

Published Papers (1 paper)

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Review

25 pages, 1087 KiB  
Review
Summatory Effects of Anaerobic Exercise and a ‘Westernized Athletic Diet’ on Gut Dysbiosis and Chronic Low-Grade Metabolic Acidosis
by Jesús Álvarez-Herms
Microorganisms 2024, 12(6), 1138; https://doi.org/10.3390/microorganisms12061138 - 3 Jun 2024
Viewed by 479
Abstract
Anaerobic exercise decreases systemic pH and increases metabolic acidosis in athletes, altering the acid-base homeostasis. In addition, nutritional recommendations advising athletes to intake higher amounts of proteins and simple carbohydrates (including from sport functional supplements) could be detrimental to restoring acid-base balance. Here, [...] Read more.
Anaerobic exercise decreases systemic pH and increases metabolic acidosis in athletes, altering the acid-base homeostasis. In addition, nutritional recommendations advising athletes to intake higher amounts of proteins and simple carbohydrates (including from sport functional supplements) could be detrimental to restoring acid-base balance. Here, this specific nutrition could be classified as an acidic diet and defined as ‘Westernized athletic nutrition’. The maintenance of a chronic physiological state of low-grade metabolic acidosis produces detrimental effects on systemic health, physical performance, and inflammation. Therefore, nutrition must be capable of compensating for systemic acidosis from anaerobic exercise. The healthy gut microbiota can contribute to improving health and physical performance in athletes and, specifically, decrease the systemic acidic load through the conversion of lactate from systemic circulation to short-chain fatty acids in the proximal colon. On the contrary, microbial dysbiosis results in negative consequences for host health and physical performance because it results in a greater accumulation of systemic lactate, hydrogen ions, carbon dioxide, bacterial endotoxins, bioamines, and immunogenic compounds that are transported through the epithelia into the blood circulation. In conclusion, the systemic metabolic acidosis resulting from anaerobic exercise can be aggravated through an acidic diet, promoting chronic, low-grade metabolic acidosis in athletes. The individuality of athletic training and nutrition must take into consideration the acid-base homeostasis to modulate microbiota and adaptive physiological responses. Full article
(This article belongs to the Special Issue Phenoty** the Athletic Gut Microbiota: The Basis of Health and Physical Performance?)
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