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Article Dans Une Revue iScience Année : 2023

Species interactions, stability, and resilience of the gut microbiota - Helminth assemblage in horses

Michel Boisseau
  • Fonction : Auteur
Sophie Dhorne-Pollet
  • Fonction : Auteur
David Bars-Cortina
  • Fonction : Auteur
Élise Courtot
  • Fonction : Auteur
Delphine Serreau
  • Fonction : Auteur
Gwenolah Annonay
  • Fonction : Auteur
Jérôme Lluch
  • Fonction : Auteur
Amandine Gesbert
  • Fonction : Auteur
Fabrice Reigner
  • Fonction : Auteur
Guillaume Sallé
  • Fonction : Auteur

Résumé

The nature and strength of interactions entertained among helminths and their host gut microbiota remain largely unexplored. Using 40 naturally infected Welsh ponies, we tracked the gut microbiota-cyathostomin temporal dynamics and stability before and following anthelmintic treatment and the associated host blood transcriptomic response. High shedders harbored 14 species of cyathostomins, dominated by Cylicocyclus nassatus. They exhibited a highly diverse and temporal dynamic gut microbiota, with butyrate-producing Clostridia likely driving the ecosystem steadiness and host tolerance toward cyathostomins infection. However, anthelmintic administration sharply bent the microbial community. It disrupted the ecosystem stability and the time-dependent network of interactions, affecting longer term microbial resilience. These observations highlight how anthelmintic treatments alter the triangular relationship of parasite, host, and gut microbiota and open new perspectives for adding nutritional intervention to current parasite management strategies.

Dates et versions

hal-04524482 , version 1 (28-03-2024)

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Citer

Michel Boisseau, Sophie Dhorne-Pollet, David Bars-Cortina, Élise Courtot, Delphine Serreau, et al.. Species interactions, stability, and resilience of the gut microbiota - Helminth assemblage in horses. iScience, 2023, 26 (2), pp.106044. ⟨10.1016/j.isci.2023.106044⟩. ⟨hal-04524482⟩

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