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Modulation of Caecal Microbiota and Metabolome Profile in Salmonella-Infected Broilers by Phage Therapy

TitoloModulation of Caecal Microbiota and Metabolome Profile in Salmonella-Infected Broilers by Phage Therapy
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2023
AutoriLorenzo-Rebenaque, Laura, Casto-Rebollo Cristina, Diretto Gianfranco, Frusciante Sarah, Rodríguez Juan Carlos, Ventero María-Paz, Molina-Pardines Carmen, Vega Santiago, Marin Clara, and Marco-Jiménez Francisco
RivistaInternational Journal of Molecular Sciences
Type of ArticleArticle

Bacteriophage therapy is considered one of the most promising tools to control zoonotic bacteria, such as Salmonella, in broiler production. Phages exhibit high specificity for their targeted bacterial hosts, causing minimal disruption to the niche microbiota. However, data on the gut environment’s response to phage therapy in poultry are limited. This study investigated the influence of Salmonella phage on host physiology through caecal microbiota and metabolome modulation using high-throughput 16S rRNA gene sequencing and an untargeted metabolomics approach. We employed 24 caecum content samples and 24 blood serum samples from 4-, 5- and 6-week-old broilers from a previous study where Salmonella phages were administered via feed in Salmonella-infected broilers, which were individually weighed weekly. Phage therapy did not affect the alpha or beta diversity of the microbiota. Specifically, we observed changes in the relative abundance of 14 out of the 110 genera using the PLS-DA and Bayes approaches. On the other hand, we noted changes in the caecal metabolites (63 up-accumulated and 37 down-accumulated out of the 1113 caecal metabolites). Nevertheless, the minimal changes in blood serum suggest a non-significant physiological response. The application of Salmonella phages under production conditions modulates the caecal microbiome and metabolome profiles in broilers without impacting the host physiology in terms of growth performance. © 2023 by the authors.


Cited by: 0; All Open Access, Gold Open Access

Citation KeyLorenzo-Rebenaque2023
PubMed ID37894882