The influence of exercise training volume alterations on the gut microbiome in highly-trained middle-distance runners
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Author(s)
Cox, Amanda J
Bellinger, Phillip
Desbrow, Ben
Irwin, Christopher
Buchan, Jena
McCartney, Danielle
Sabapathy, Surendran
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Abstract
RESULTS: showed no significant changes in nutritional intake, alpha-diversity, or global microbial composition following HVolTr or TaperTr compared to NormTr (p's>0.05). Following HVolTr, there was a significant decrease in Pasterellaceae (p=0.03), Lachnoclostridium (p=0.02), Haemophilus (p=0.03), S. parasagunis (p=0.02), and H. parainfluenzae (p=0.03), while R. callidus (p=0.03) significantly increased. These changes did not return to NormTr levels following TaperTr. This study shows that the alpha-diversity and global composition of the gut microbiome were unaffected by changes in training volume. However, an increase in training volume led to several changes at the lower taxonomy levels that did not return to pre-HVolTr levels following a taper period.
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European Journal of Sport Science
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This is an Author's Accepted Manuscript of an article published in the European Journal of Sport Science, 26 May 2021, copyright Taylor & Francis, available online at: https://doi.org/10.1080/17461391.2021.1933199
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Sports science and exercise
Sport and exercise nutrition
Nutrition and dietetics
Applied and developmental psychology
Alpha-diversity
Endurance athletes
Microbiota
Taper
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Craven, J; Cox, AJ; Bellinger, P; Desbrow, B; Irwin, C; Buchan, J; McCartney, D; Sabapathy, S, The influence of exercise training volume alterations on the gut microbiome in highly-trained middle-distance runners, European Journal of Sport Science, 2021