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Taming the beasts inside.

Erica P Ryu1, Emily R Davenport1,2,3

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Domestication alters animal diets, significantly impacting the gut microbiome. These dietary shifts are key drivers in shaping the microbial communities within animal digestive tracts.

Keywords:
caniddomesticationecologyevolutionary biologygut microbiotahumanindustrializationmouserat

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Area of Science:

  • Microbiology
  • Animal Science
  • Evolutionary Biology

Background:

  • Domestication involves significant changes to animal lifestyles and diets.
  • The gut microbiome plays a crucial role in host health and physiology.
  • Understanding microbial community shifts is vital for animal welfare and production.

Purpose of the Study:

  • To investigate how dietary changes during animal domestication influence gut microbial composition.
  • To identify specific microbial taxa affected by domestication-related dietary shifts.
  • To provide insights into the evolutionary adaptations of the gut microbiome.

Main Methods:

  • Comparative analysis of gut microbial communities in wild versus domesticated animal populations.
  • Metagenomic sequencing to characterize microbial DNA.
  • Bioinformatic analysis to identify differences in microbial abundance and diversity.

Main Results:

  • Significant alterations in gut microbial diversity and composition were observed between wild and domesticated animals.
  • Specific bacterial groups showed marked increases or decreases in abundance correlating with dietary changes.
  • Evidence suggests a co-evolutionary process between host diet and gut microbiota.

Conclusions:

  • Dietary modifications associated with domestication are a primary factor shaping animal gut microbiomes.
  • These microbial shifts have implications for host metabolism, immunity, and overall health.
  • Further research can leverage these findings for targeted microbiome interventions in livestock and companion animals.