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


ABSTRACT: 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.

SUBMITTER: Boisseau M 

PROVIDER: S-EPMC9929684 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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

Boisseau Michel M   Dhorne-Pollet Sophie S   Bars-Cortina David D   Courtot Élise É   Serreau Delphine D   Annonay Gwenolah G   Lluch Jérôme J   Gesbert Amandine A   Reigner Fabrice F   Sallé Guillaume G   Mach Núria N  

iScience 20230125 2


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 <i>Cylicocyclus nassatus</i>. They exhibited a highly diverse and temporal dynamic gut microbi  ...[more]

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