Effect of Diet and Lifestyle Changes on Gut Microbial Diversity in Healthy Adolescents
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The human gut microbiome is a complex ecosystem shaped by both intrinsic and extrinsic factors, with external elements such as diet and exercise significantly influencing its diversity and composition. In this study, we evaluated gut microbiome shifts in adolescents participating in a four-week camp with controlled diets, lifestyle, and a healthy living environment. Stool samples were collected before and after the camp period and analyzed through 16S rRNA gene sequencing to assess changes in microbial composition and diversity. Post-intervention, gut microbiome diversity increased significantly, with notable changes in the relative abundance of taxa such as Lachnospira, Alistipes, and Barnesiella, which are associated with enhanced immune function and gut health. Additionally, functional prediction using PICRUSt indicated an increase in genes associated with energy production and metabolism, suggesting a broader functional impact of lifestyle modifications on gut microbial functionalities. These findings revealed the potential causal relationships between lifestyle modifications and gut microbiome shifts, providing valuable insights into the interactions between environment, diet, and the gut microbiota.
Abstract
The human gut microbiome is a complex ecosystem shaped by both intrinsic and extrinsic factors, with external elements such as diet and exercise significantly influencing its diversity and composition. In this study, we evaluated gut microbiome shifts in adolescents participating in a four-week camp with controlled diets, lifestyle, and a healthy living environment. Stool samples were collected before and after the camp period and analyzed through 16S rRNA gene sequencing to assess changes in microbial composition and diversity. Post-intervention, gut microbiome diversity increased significantly, with notable changes in the relative abundance of taxa such as Lachnospira, Alistipes, and Barnesiella, which are associated with enhanced immune function and gut health. Additionally, functional prediction using PICRUSt indicated an increase in genes associated with energy production and metabolism, suggesting a broader functional impact of lifestyle modifications on gut microbial functionalities. These findings revealed the potential causal relationships between lifestyle modifications and gut microbiome shifts, providing valuable insights into the interactions between environment, diet, and the gut microbiota.