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The Traveling Microbiome.

Mark S Riddle1, Bradley A Connor2,3

  • 1Enteric Diseases Department, Naval Medical Research Center, 503 Robert Grant Avenue, Silver Spring, MD, 20910, USA. mark.s.riddle10.mil@mail.mil.

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Summary
This summary is machine-generated.

The gut microbiome influences traveler health, affecting enteric infection risk and post-infection conditions like IBS. Understanding these effects is crucial for traveler well-being.

Keywords:
DysbiosisMicrobiomeTravelers’ diarrhea

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Area of Science:

  • Microbiology
  • Gastroenterology
  • Travel Medicine

Background:

  • The human gut microbiome plays a critical role in health and disease.
  • The microbiome acts as an interface between travelers and the external environment.
  • Individual microbiome composition may influence susceptibility to enteric infections.

Purpose of the Study:

  • To review the role of the gut microbiome in relation to travel.
  • To examine the impact of travel on the gut microbiome, including infection risk and post-infectious sequelae.
  • To explore potential roles of diet, antibiotics, prebiotics, and probiotics in travel-related gut health.

Main Methods:

  • Literature review of existing data on travel, travelers' diarrhea, and microbiome changes.
  • Analysis of factors influencing gut microbiome modulation during travel.
  • Exploration of the relationship between microbiome alterations and gastrointestinal health outcomes.

Main Results:

  • Travel significantly impacts the gut microbiome, affecting colonization resistance.
  • Antibiotic use and multi-drug-resistant bacteria acquisition are linked to microbiome changes.
  • Dysbiosis and post-infectious irritable bowel syndrome (PI-IBS) are potential sequelae of travel-related infections.

Conclusions:

  • The gut microbiome is a key factor in traveler susceptibility to enteric infections and subsequent health issues.
  • Dietary changes during travel can modulate gut function and infection risk.
  • Further research is needed to clarify the roles of prebiotics and probiotics in preventing and treating travelers' diarrhea (TD).