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Papers
20 resultsShowing papers similar to A metagenomic analysis of gut microbiome phylogeny among four economically important carp species from wild and aquaculture farms
ClearDeciphering the gut microbiome of grass carp through multi-omics approach
This multi-omics study profiled the gut microbiome, transcriptome, and metabolome of grass carp to identify microbial species and metabolic pathways that support host metabolism and immunity, providing a foundation for developing microbiome-targeted feed additives as antibiotic alternatives in aquaculture.
Deciphering the gut microbiome of grass carp through multi-omics approach
Researchers used multiple layers of molecular data (multi-omics) to map the gut microbiome of grass carp, identifying key bacterial functions and potential targets for improving fish gut health — findings that could benefit aquaculture and our understanding of how gut microbes support digestion in fish.
Association of Fungi in the Intestine of Black Carp and Grass Carp Compared with their Cultured Water
Researchers characterized and compared the intestinal fungal communities of grass carp and black carp and their cultured water using high-throughput sequencing, finding species-specific differences in gut fungal composition that correlated partially with surrounding water microbiota.
Novel Autochthonous Strains from Cyprinus carpio as Candidates for Probiotic Use and Microplastic-Degrading Properties
Researchers isolated six bacterial genera from the gut of common carp (Cyprinus carpio) and identified two novel Hafnia strains with both probiotic potential and microplastic-degrading properties, suggesting a dual role for gut bacteria in fish health and environmental bioremediation.
Modern research on the study of the intestinal microbiome in fish (review)
This review examines recent research on the intestinal microbiome of fish, synthesizing findings on microbiome composition across more than 100 teleost species and exploring the microbiome as a potential biomarker for fish health and aquaculture optimization.
Metabarcoding Analyses of Gut Microbiota of Nile Tilapia (Oreochromis niloticus) from Lake Awassa and Lake Chamo, Ethiopia
Researchers used 16S rRNA metabarcoding to characterize the gut microbiota of Nile tilapia (Oreochromis niloticus) from Lakes Awassa and Chamo in Ethiopia, identifying 2,061 operational taxonomic units and comparing microbial community composition across gut regions and between luminal and mucosal sample types.
Variations and Interseasonal Changes in the Gut Microbial Communities of Seven Wild Fish Species in a Natural Lake with Limited Water Exchange during the Closed Fishing Season
Researchers analyzed the gut bacteria of seven wild fish species in Chaohu Lake, China, across all four seasons and found significant differences in microbial communities between species and across seasons. Environmental factors like water temperature and dissolved oxygen levels were key drivers of these microbial shifts. The study provides a baseline understanding of how natural conditions shape the gut health of wild freshwater fish populations.
The Structure and Function of Gut Microbiomes of Two Species of Sea Urchins, Mesocentrotus nudus and Strongylocentrotus intermedius, in Japan
This study characterized the gut microbiomes of two sea urchin species important to Japanese marine aquaculture using metagenomic methods, revealing distinct microbial communities linked to habitat and growth conditions. Understanding the microbiome of aquaculture organisms is relevant to their health and food safety, particularly given that environmental contaminants including microplastics can alter gut microbiota.
Insights into the Gut Microbiota of the Freshwater Crab Sinopotamon planum across Three Seasons and Its Associations with the Surrounding Aquatic Microbiota
Researchers characterized the gut microbiota of freshwater crab Sinopotamon planum across three seasons, finding seasonal shifts in microbial community composition that correlated with changes in surrounding aquatic microbiota and environmental conditions.
Hermetia illucens in diets for zebrafish (Danio rerio): A study of bacterial diversity by using PCR-DGGE and metagenomic sequencing
Researchers studied how feeding zebrafish different diets based on black soldier fly larvae affected the bacterial diversity of the fish gut. Understanding gut microbiome responses to diet is relevant to assessing how microplastics ingested alongside food disrupt the gut microbiome of aquatic organisms.
Isolations and Characterization of Novel Bacterial Species from Cyprinus Carpio and Its Use in Biodegradation of Polystyrene with Emphasis on SDG 3 for Ensuring Healthy Lives and Well-Being for All Humans and Animals
Novel bacterial species isolated from the gastrointestinal tract of common carp (Cyprinus carpio) were identified via 16S rRNA sequencing and tested for polystyrene biodegradation capability, with findings supporting the potential of gut microbiome bacteria as probiotics for plastic bioremediation.
A Review of Grass Carp and Related Species Literature on Diet, Behavior, Toxicology, and Physiology Focused on Informing Development of Controls for Invasive Grass Carp Populations in North America
This review synthesizes literature on grass carp diet, behavior, toxicology, and gut physiology to inform strategies for controlling invasive populations in North America. Researchers examined food preferences, behavioral responses to stimuli, and physiological characteristics that could be exploited for population management. The study suggests that understanding gut physiology and toxin delivery pathways could help develop more effective control methods for this ecologically disruptive invasive species.
Microplastics Change the Food Utilization of Filter-Feeding Fish via Gut Microbiota
Researchers found that microplastic exposure changed the food utilization patterns of filter-feeding silver carp by altering their gut microbiota. After exposure, the fish shifted from primarily consuming phytoplankton to greater utilization of zooplankton, driven by microplastic-induced changes in gut bacterial communities that affected digestive enzyme gene expression, suggesting microplastics can disrupt aquatic food web dynamics.
Within-species variation in the gut microbiome of medaka ( Oryzias latipes ) is driven by the interaction of light intensity and genetic background
This study found that gut microbiome composition in medaka fish is shaped by the interaction between genetic background and light intensity, with fishing-like selective pressure reducing bacterial richness under low-light conditions, though this did not affect growth rates.
Ingestion of microplastics by silver carp (Hypophthalmichthys molitrix) larvae: Quantification of ingestion and assessment of microbiota dysbiosis
Researchers quantitatively investigated how silver carp larvae ingest, accumulate, and excrete microplastics of different sizes for the first time. The study found that smaller microplastics were ingested more readily and excreted quickly, while larger particles tended to accumulate in the intestine, and the presence of food increased uptake of large microplastics. The ingested microplastics also altered intestinal microflora diversity, potentially affecting immune and metabolic functions in the fish.
Microplastic exposure across trophic levels: effects on the host–microbiota of freshwater organisms
Researchers examined how microplastic exposure across trophic levels affects the gut microbiota of freshwater organisms, finding that microplastics alter microbial community composition and that effects can transfer through food web interactions.
The Characteristics of Intestinal Bacterial Community in Three Omnivorous Fishes and Their Interaction with Microbiota from Habitats
This study examined the gut bacterial communities of three omnivorous fish species in artificial fishery habitats, comparing them to bacteria in the surrounding water and sediment. Fish gut microbiomes partially reflected the environmental microbiota, suggesting habitat quality affects fish gut health. This is relevant to microplastics because microplastics alter both aquatic microbial communities and fish gut microbiomes.
Identification and Characterization of New Hafnia Strains from Common Carp (Cyprinus carpio), Potentially Possessing Probiotic Properties and Plastic Biodegradation Capabilities
Researchers isolated and characterized two novel Hafnia bacterial strains from the gut of common carp (Cyprinus carpio), identifying genes associated with both probiotic properties and microplastic degradation capabilities. Next-generation sequencing confirmed the strains carry ClpB heat shock protein and MP-degrading genes, presenting them as candidate organisms for simultaneous probiotic and bioremediation applications.
Within-species variation in the gut microbiome of medaka (Oryzias latipes) is driven by the interaction of light intensity and genetic background
This paper is not about microplastics; it studies how light intensity and evolutionary history (lineages selected under fishing-like vs. natural mortality) interact to shape gut microbiome diversity and composition in medaka fish.
Microplastics Changethe Food Utilization of Filter-FeedingFish via Gut Microbiota
Silver carp exposed to microplastics showed a shift in food utilization — increasing zooplankton assimilation from 28% to 40% while decreasing phytoplankton utilization — mediated by changes in gut microbiota, suggesting MPs alter how filter-feeding fish process their food.