scholarly journals Can Physical Activity Influence Human Gut Microbiota Composition Independently of Diet? A Systematic Review

Nutrients ◽  
2021 ◽  
Vol 13 (6) ◽  
pp. 1890
Author(s):  
Barbara Dorelli ◽  
Francesca Gallè ◽  
Corrado De Vito ◽  
Guglielmo Duranti ◽  
Matteo Iachini ◽  
...  
Keyword(s):  
Physical Activity ◽  
Gut Microbiota ◽  
Amplicon Sequencing ◽  
Microbiota Composition ◽  
Human Gut ◽  
Exercise Interventions ◽  
Human Gut Microbiota ◽  
16S Rrna Amplicon Sequencing ◽  
New Perspective ◽  
Gut Microbiota Composition

Evidence suggests that physical activity (PA) influences the human gut microbiota composition, but its role is unclear because of dietary interference. The aim of this review is to clarify this issue from this new perspective in healthy individuals. Articles analyzing intestinal microbiota from fecal samples by 16S rRNA amplicon sequencing were selected by searching the electronic databases PubMed, Scopus, and Web of Science until December 2020. For each study, methodological quality was assessed, and results about microbiota biodiversity indices, phylum and genus composition, and information on PA and diet were considered. From 997 potentially relevant articles, 10 met the inclusion criteria and were analyzed. Five studies involved athletes, three were performed on active people classified on the basis of habitual PA level, and two among sedentary subjects undergoing exercise interventions. The majority of the studies reported higher variability and prevalence of the phylum Firmicutes (genera Ruminococcaceae or Fecalibacteria) in active compared to inactive individuals, especially in athletes. The assessment of diet as a possible confounder of PA/exercise effects was completed only in four studies. They reported a similar abundance of Lachnospiraceae, Paraprevotellaceae, Ruminococcaceae, and Veillonellaceae, which are involved in metabolic, protective, structural, and histological functions. Further studies are needed to confirm these findings.

scholarly journals The effects of physical activity on human gut microbiota composition: a systematic review

2020 ◽  
Vol 30 (Supplement_5) ◽  
Author(s):  
B Dorelli ◽  
M Iachini ◽  
M Zaccarin ◽  
J Preziosi Standoli ◽  
F Galle ◽  
...  
Keyword(s):  
Physical Activity ◽  
Systematic Review ◽  
Gut Microbiota ◽  
Moderate Intensity ◽  
Microbiota Composition ◽  
Human Gut ◽  
Cross Sectional ◽  
Human Gut Microbiota ◽  
Cross Sectional Studies ◽  
Gut Microbiota Composition

Abstract Background Gut microbiota development and composition can be influenced by an existing dynamic balance between host physiology and lifestyle. This systematic review aims to assess the impact of physical activity on human gut microbiota. Methods PubMed, Scopus and Web of Science were searched until May 2019. Full-text in English were recruited if focused on gut microbiota in healthy athletes or active people, without age or gender restrictions, collected on faecal samples and analysed with genome sequencing of rRNA 16S. All types of study design were included as long as they performed a comparison with a sedentary control group. No specific time frame for the publication date was applied. Quality assessment was performed using the JBI Critical Appraisal Checklist for Analytical Cross Sectional Studies (2017) and Cochrane Risk of Bias Tool for Randomized Controlled Trials. Results The analysis yielded 7/985 articles: five cross-sectional studies and two clinical trials, published from 2014 to 2019. The overall methodological assessment was of fair quality. Types of exercise included in the studies were: rugby, running, aerobic exercise, bodybuilding. More in detail, regarding the exercise load, some studies were conducted on elite professional athletes, such as rugby players, marathon runners or bodybuilders, with rigorous training, while other studies included a few weeks of aerobic and resistance training at a moderate intensity. Shannon diversity index increased in three studies. Concerning phyla, Firmicutes were increased in five studies and three studies described a significant decrease in Bacteroides. Conclusions This systematic review confirms the direct correlation between microbiota composition and physical activity, but further studies are needed to establish the possible presence of a causal link between the two factors. Key messages Exercise can play an important role as an environmental factor in determining gut microbiota composition. Further studies are needed to gain robust evidence of physical activity influence on gut microbiota variability.

Changes in Human Gut Microbiota Composition Are Linked to the Energy Metabolic Switch During Ten Days of Fasting

2019 ◽  
Author(s):  
Robin Mesnage ◽  
Franziska Grundler ◽  
Andreas Schwiertz ◽  
Yvon Le Maho ◽  
Françoise Wilhelmi de Toledo
Keyword(s):  
Gut Microbiota ◽  
Microbiota Composition ◽  
Human Gut ◽  
Metabolic Switch ◽  
Human Gut Microbiota ◽  
Gut Microbiota Composition

scholarly journals Sex differences in the phylum‐level human gut microbiota composition

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Alexander Koliada ◽  
Vladislav Moseiko ◽  
Mariana Romanenko ◽  
Oleh Lushchak ◽  
Nadiia Kryzhanovska ◽  
...  
Keyword(s):  
Sex Differences ◽  
Gut Microbiota ◽  
Age Groups ◽  
Microbiota Composition ◽  
Human Gut ◽  
Cross Sectional ◽  
Total N ◽  
Human Gut Microbiota ◽  
Gut Microbiota Composition

Abstract Background Evidence was previously provided for sex-related differences in the human gut microbiota composition, and sex-specific discrepancy in hormonal profiles was proposed as a main determinant of these differences. On the basis of these findings, the assumption was made on the role of microbiota in the sexual dimorphism of human diseases. To date, sex differences in fecal microbiota were demonstrated primarily at lower taxonomic levels, whereas phylum-level differences between sexes were reported in few studies only. In the present population-based cross-sectional research, sex differences in the phylum-level human gut microbiota composition were identified in a large (total n = 2301) sample of relatively healthy individuals from Ukraine. Results Relative abundances of Firmicutes and Actinobacteria, as determined by qRT-PCR, were found to be significantly increased, while that of Bacteroidetes was significantly decreased in females compared to males. The Firmicutes to Bacteroidetes (F/B) ratio was significantly increased in females compared to males. Females had 31 % higher odds of having F/B ratio more than 1 than males. This trend was evident in all age groups. The difference between sexes was even more pronounced in the elder individuals (50+): in this age group, female participants had 56 % higher odds of having F/B ratio > 1 than the male ones. Conclusions In conclusion, sex-specific differences in the phylum-level intestinal microbiota composition were observed in the Ukraine population. The F/B ratio was significantly increased in females compared to males. Further investigation is needed to draw strong conclusions regarding the mechanistic basis for sex-specific differences in the gut microbiota composition and regarding the role of these differences in the initiation and progression of human chronic diseases.

scholarly journals Effects of phlorotannin and polysaccharide fractions of brown seaweed Silvetia compressa on human gut microbiota composition using an in vitro colonic model

2021 ◽  
Vol 84 ◽  
pp. 104596
Author(s):  
Benjamín Vázquez-Rodríguez ◽  
Liliana Santos-Zea ◽  
Erick Heredia-Olea ◽  
Laura Acevedo-Pacheco ◽  
Arlette Santacruz ◽  
...  
Keyword(s):  
Gut Microbiota ◽  
Brown Seaweed ◽  
Microbiota Composition ◽  
Human Gut ◽  
Human Gut Microbiota ◽  
Gut Microbiota Composition

scholarly journals Analysis of Human Gut Microbiota Composition Associated to the Presence of Commensal and Pathogen Microorganisms in Côte d’Ivoire

2021 ◽  
Vol 9 (8) ◽  
pp. 1763
Author(s):  
Veronica Di Cristanziano ◽  
Fedja Farowski ◽  
Federica Berrilli ◽  
Maristella Santoro ◽  
David Di Cave ◽  
...  
Keyword(s):  
Gut Microbiota ◽  
Cote D'ivoire ◽  
Côte D’Ivoire ◽  
Enteric Pathogens ◽  
Microbiota Composition ◽  
Human Gut ◽  
Cote D’Ivoire ◽  
Human Gut Microbiota ◽  
Côte D'ivoire ◽  
Gut Microbiota Composition

Background: The human gut microbiota is a microbial ecosystem contributing to the maintenance of host health with functions related to immune and metabolic aspects. Relations between microbiota and enteric pathogens in sub-Saharan Africa are scarcely investigated. The present study explored gut microbiota composition associated to the presence of common enteric pathogens and commensal microorganisms, e.g., Blastocystis and Entamoeba species, in children and adults from semi-urban and non-urban localities in Côte d’Ivoire. Methods: Seventy-six stool samples were analyzed for microbiota composition by 16S rRDNA sequencing. The presence of adeno-, entero-, parechoviruses, bacterial and protozoal pathogens, Blastocystis, and commensal Entamoeba species, was analyzed by different molecular assays. Results: Twelve individuals resulted negative for any tested microorganisms, 64 subjects were positive for one or more microorganisms. Adenovirus, enterovirus, enterotoxigenic Escherichia coli (ETEC), and Blastocystis were frequently detected. Conclusions: The bacterial composition driven by Prevotellaceae and Ruminococcaceae confirmed the biotype related to the traditional dietary and cooking practices in low-income countries. Clear separation in UniFrac distance in subjects co-harboring Entamoeba hartmanni and Blastocystis was evidenced. Alpha diversity variation in negative control group versus only Blastocystis positive suggested its possible regulatory contribution on intestinal microbiota. Pathogenic bacteria and virus did not affect the positive outcome of co-harbored Blastocystis.

The effect of various diets on the human gut microbiota composition

2021 ◽  
Vol 70 (7) ◽  
pp. 5-10
Author(s):  
K.A. Aitbaev ◽  
I.T. Murkamilov ◽  
V.V. Fomin ◽  
Zh.A. Murkamilova ◽  
I.O. Kudaibergenova ◽  
...  
Keyword(s):  
Gut Microbiota ◽  
Microbiota Composition ◽  
Human Gut ◽  
Human Gut Microbiota ◽  
Gut Microbiota Composition

scholarly journals Exercise and human gut microbiota: a systemic review

2020 ◽  
Vol 79 (OCE2) ◽  
Author(s):  
Huiwen Xu ◽  
Lourdes Ortiz Álvarez ◽  
Borja Martínez-Téllez ◽  
Jonatan Ruiz Ruiz
Keyword(s):  
Physical Activity ◽  
Gut Microbiota ◽  
Alpha Diversity ◽  
Healthy Adults ◽  
Human Gut ◽  
Cross Sectional ◽  
Microbial Ecosystem ◽  
Exercise Interventions ◽  
Human Gut Microbiota ◽  
Cross Sectional Studies

AbstractBackground:Eubiosis is the intestinal microbial ecosystem balance between human and microorganisms, whereas a disbalance in this intestinal microbial ecosystem is known as dysbiosis. The relationship between exercise with gut microbiota in humans is poorly studied, although it seems that one of the possible ways to restore eubiosis could be via exercise. This systematic review aimed to examine the scientific literature available on the influence of exercise in the gut microbiota of healthy adults.Methods:A systematic and comprehensive literature search was conducted in PubMed and Web of Science (WOS) from their inception to April 2019. Search terms used were: “Gastrointestinal Microbiome”, “Fecal Microbiota”, “Cecal Microbiota”, “Faecal Microbiota, “Exercises”, “Training” and “Human”.Results:The initial search retrieved 218 articles and 15 met the inclusion criteria of which 9 were cross-sectional, 3 acute and 3 chronic exercise interventions. Higher levels of physical activity or VO2max were positively associated with alpha-diversity in the 85.7% of the cross-sectional studies (n = 6). We found controversial findings between levels of physical activity or VO2max with Firmicutes, Bacteroidetes and Proteobacteria phylum over cross-sectional studies. However, some studies found that higher levels of physical activity or VO2max were positively related with Verrumicrobia and Actinobacteria, as well as their levels increased after the exercise interventions studies. Furthermore, higher levels of physical activity or VO2max were positively related with short-chain-fatty-acids (SCFAs), as well as their levels increased after a chronic intervention.Discussion:The muscle-gut axis is based on the contraction of skeletal muscle during exercise due to the release of myokines. This myokines that seem to play a role in mediating the glucagon-like peptide-1 (GLP-1) secretion in the gut during exercise. GLP-1 is one of the key incretins involved in the whole-body metabolism. On other hand, the gut-muscle axis, relies that the gut microbiota is able to produce SCFAs, which are mediator of mitochondrial energy metabolism in skeletal muscles.Conclusion:Higher levels of physical activity or VO2max are positively related with higher levels of alpha diversity and some phylum in healthy adults. Moreover, both acute and chronic exercises only influence some phylum. However, the high heterogeneity between studies hampers to draw stronger conclusions. Therefore, further studies are needed to understand the possible mechanism about how exercise could affect healthy human gut microbiota.

scholarly journals Effects of Commercial Apple Varieties on Human Gut Microbiota Composition and Metabolic Output Using an In Vitro Colonic Model

Nutrients ◽  
2017 ◽  
Vol 9 (6) ◽  
pp. 533 ◽  
Author(s):  
Athanasios Koutsos ◽  
Maria Lima ◽  
Lorenza Conterno ◽  
Mattia Gasperotti ◽  
Martina Bianchi ◽  
...  
Keyword(s):  
Gut Microbiota ◽  
Microbiota Composition ◽  
Human Gut ◽  
Apple Varieties ◽  
Human Gut Microbiota ◽  
Metabolic Output ◽  
Gut Microbiota Composition

The effect of diet on the fluctuations of human gut microbiota

MedPharmRes ◽  
2019 ◽  
Vol 3 (1) ◽  
pp. 22-24
Author(s):  
Binh Nguyen
Keyword(s):  
Individual Differences ◽  
Gut Microbiota ◽  
Microbiota Composition ◽  
Human Gut ◽  
Human Gut Microbiota ◽  
The Individual ◽  
Gut Microbiota Composition

It was previously thought that the establishment of the gut microbiota was completed within the first two years of life, and this community maintains fairly stable throughout the adult lifetime thereafter. However, recent evidence shows that the gut microbiota composition is constantly changing in the gut environment and is heavily influenced by diet. The individual differences responding to diets would root on the fluctuations of gut microbiota if dietary fluctuations affect the composition of gut microbiota so significantly.

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