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  • 标题:Changes in the Gut Bacteria Composition of Healthy Men with the Same Nutritional Profile Undergoing 10-Week Aerobic Exercise Training: A Randomized Controlled Trial
  • 本地全文:下载
  • 作者:Ayane S. Resende ; Geovana S. F. Leite ; Antonio H. Lancha Junior
  • 期刊名称:Nutrients
  • 电子版ISSN:2072-6643
  • 出版年度:2021
  • 卷号:13
  • 期号:8
  • DOI:10.3390/nu13082839
  • 语种:English
  • 出版社:MDPI Publishing
  • 摘要:Nutrient consumption and body mass index (BMI) are closely related to the gut microbiota, and exercise effects on gut bacteria composition may be related to those variables. Thus, we aimed to investigate the effect of 10-week moderate aerobic exercise on the cardiorespiratory fitness and gut bacteria composition of non-obese men with the same nutritional profile. Twenty-four previously sedentary men (age 25.18 [SD 4.66] years, BMI 24.5 [SD 3.72] kg/m 2) were randomly assigned into Control (CG; n = 12) or Exercise Groups (EG; n = 12). Body composition, cardiorespiratory parameters, blood markers, dietary habits and gut bacteria composition were evaluated. EG performed 150 min per week of supervised moderate (60–65% of VO 2peak) aerobic exercise, while CG maintained their daily routine. The V4 16S rRNA gene was sequenced and treated using QIIME software. Only EG demonstrated marked improvements in cardiorespiratory fitness (VO 2peak, p < 0.05; Effect Size = 0.971) without changes in other gut bacteria-affecting variables. Exercise did not promote clustering based on diversity indices ( p > 0.05), although significant variations in an unclassified genus from Clostridiales order and in Streptococcus genus were observed ( p < 0.05). Moreover, α-diversity was correlated with VO 2peak (Pearson’s R: 0.47; R 2 0.23: 95%CI: 0.09 to 0.74, p = 0.02) and BMI (Pearson’s R: −0.50; R 2 0.25: 95%CI: −0.75 to −0.12, p = 0.01). Roseburia, Sutterella and Odoribacter genera were associated with VO 2peak, while Desulfovibrio and Faecalibacterium genera were associated with body composition ( p < 0.05). Our study indicates that aerobic exercise at moderate intensity improved VO 2peak and affected gut bacteria composition of non-obese men who maintained a balanced consumption of nutrients.
  • 关键词:engut microbiota;human;exercise;sedentary behavior;VO2max;body mass index;diet
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