Evaluates the changes in gut microbiota composition in Nile tilapia after Providencia vermicola infection, highlighting ecosystem-level dysbiosis implications.
Key Points
The aim is to assess how Providencia vermicola infection affects both bacterial and microeukaryotic gut communities in Nile tilapia.
Experimental infection of Nile tilapia with Providencia vermicola.
16S and 18S rRNA amplicon sequencing for microbiota profiling.
Comparison of gut microbiota composition in healthy versus infected fish.
Assessment of taxonomic and functional changes in gut microbial communities.
Significant compositional shifts in gut microbiota post-infection.
Increased relative abundances of Bacteroidota and Proteobacteria.
Decreased relative abundances of Fusobacteriota and Patescibacteria.
Reduction in microeukaryotic groups like Protalveolata and Nematozoa.
Metabolic pathway reconfiguration linked to ecological disturbances from infection.
Cite This Study
Guirado-Flores et al. (2026) studied this question.