ArticleEnvironmental microbiome2025
Seasonal dynamics and factors shaping microbiomes in freshwater finfish earthen aquaculture ponds in Bangladesh.
Article in Environmental microbiome, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed.
- Diets fermented by crab-derived lactic acid bacteria enhance growth, modulate the gut microbiota, and improve hepato-intestinal health inAnimal nutrition (Zhongguo xu mu shou yi xue hui) · 2026Article
- Beyond Probiotics: Postbiotics for Healthy Aquaculture.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Enhanced Nitrification in Yellow Clay Improves In Situ Water Purification for Eel Aquaculture: A Preliminary Assessment.Microorganisms · 2026Article
- Domestication shapes the gut microbial structure and metabolic function in felids: a metagenomic study of wild and domestic cats.Frontiers in microbiology · 2026Article
- Climate-driven restructuring of sediment microbiomes and ecosystem functions in aquaculture systems.AIMS microbiology · 2026Review
- Temporal microbiome dynamics and fish health-associated dysbiosis in freshwater aquarium systems: a case study from River Wonders Singapore.Frontiers in microbiology · 2026Article
- Dynamics of Bacterial Diversity in Fish Farming Lagoons: Implications for the Ecosystem Trophic Status.Biology · 2025Article
- Draft genomes of multidrug-resistantMicrobiology resource announcements · 2025Article
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11 authors.
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Abstract
backgroundThe pondwater microbiome is believed to play a key role in fish health, including shaping mucosal surface microbiomes that help to protect against disease. How different physiochemical features relating to season, geographical locations, as well as crop species shape the pond water microbiome in the finfish aquaculture system, is not well established. Pangasius (Pangasianodon hypophthalmus) and tilapia (Oreochromis niloticus) are two of the most widely farmed fish species and disease is a major impediment to the expansion of their production. We applied 16S and 18S rRNA metabarcoding to assess how pond physicochemistry and geographical location shape water microbiomes in pangasius and tilapia aquaculture earthen ponds in Bangladesh.
resultsPlanctomycetota, Pseudomonadota and Actinomycetota were the dominant bacterial phyla while Stramenopiles and Alveolata were the dominant microeukaryotes (divisions) in the pangasius and tilapia ponds water. The relative abundance of Planctomycetota was higher in the pangasius ponds compared with tilapia ponds, and Actinomycetota, and Pseudomonadota were relatively higher in tilapia ponds. Tilapia pond water also exhibited a higher microbial diversity compared to that in pangasius ponds. The pondwater microbial diversity was at its lowest in winter (and/or in monsoon) and highest in the pre-monsoon period. The microbial community structures differed across the different seasons, geographical locations, culture systems, and crop species, with season and geographical locations showing the strongest effects. Of the water physicochemistry features assessed, temperature and pH were found to have a weak but significant effect on the water microbiome content for both pangasius and tilapia ponds. Pangasius and tilapia ponds shared over 46% of ASVs, and around 30% of ASVs were shared across the different study geographical locations.
conclusionOur findings demonstrate that microbial communities in pangasius and tilapia aquaculture systems in Bangladesh are shaped by season, geographical location, crop species, as well as effects from water physicochemistry. Our results provide insights into the dynamic nature and environmental influences on water microbiomes that may be applied for use in pond management for improving aquaculture productivity and enhancement of overall fish health.
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