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- Title
Assessment of various standard fish diets on gut microbiome of platyfish Xiphophorus maculatus.
- Authors
Soria, Erika; Russo, Crystal; Carlos‐Shanley, Camila; Drewery, Merritt; Boswell, Will; Savage, Markita; Sanchez, Lindsey; Chang, Carolyn; Varga, Zoltan M.; Kent, Michael L.; Sharpton, Thomas J.; Lu, Yuan
- Abstract
Diet is an external factor that affects the physiological baseline of research animals. It can shape gut microbiome, which can impact the host. As a result, dietary variation can challenge experimental reproducibility and data integration across studies when not appropriately considered. To control for diet‐induced variation, reference diets have been developed for common biomedical models. However, such reference diets have not yet been developed for nontraditional model organisms, such as Xiphophorus species. In this study, we compared two diets designed for zebrafish, a commercial zebrafish diet (Gemma and GEM), and a proposed zebrafish reference diet developed by the Watts laboratory at the University of Alabama at Birmingham (WAT) to the Xiphophorus Genetic Stock Center custom diet (CON) to evaluate the influence of diet on the Xiphophorus gut microbiome. Xiphophorus maculatus were fed the three diets from 2 to 6 months of age. Feces were collected and the gut microbiome was assessed using 16S rRNA sequencing every month. We observed substantial diet‐driven variation in the gut microbiome. Our results indicate that diets developed specifically for zebrafish can affect the gut microbiome composition and may not be optimal for Xiphophorus. Research Highlights: Zebrafish diets change Xiphophorus gut microbiome;Species specific standardized diets need to be developed.
- Subjects
UNIVERSITY of Alabama at Birmingham; GUT microbiome; BRACHYDANIO; DIET; DATA integration; LABORATORY animals
- Publication
Journal of Experimental Zoology Part B: Molecular & Developmental Evolution, 2024, Vol 342, Issue 3, p271
- ISSN
1552-5007
- Publication type
Article
- DOI
10.1002/jez.b.23218