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61,005 resultsShowing papers similar to Effects of Yu-Ping-Feng polysaccharides (YPP) on the growth performance, intestinal health and lipid metabolism of largemouth bass (Micropterus salmoides)
ClearEffects of Virgin Microplastics on Growth, Intestinal Morphology and Microbiota on Largemouth Bass (Micropterus salmoides)
Researchers found that exposure to virgin microplastics at environmentally relevant concentrations impaired growth, caused intestinal morphological damage, and altered gut microbiota composition in largemouth bass, suggesting that microplastic ingestion poses health risks in commercially important aquaculture species.
Effects of polystyrene nanoplastics on oxidative stress, histopathology and intestinal microbiota in largemouth bass (Micropterus salmoides)
Researchers exposed largemouth bass — a commercially important freshwater fish — to polystyrene nanoplastics (tiny plastic particles 100 nanometers in size) for up to 19 days, finding tissue damage in the gills, liver, and intestines along with elevated markers of cellular stress. While growth was not significantly affected, the fish adjusted their gut microbiome in response, suggesting nanoplastics trigger adaptive but potentially harmful physiological changes.
Investigating Polystyrene Nano-Plastic Effects on Largemouth Bass (Micropterus salmoides) Focusing on mRNA Expression: Endoplasmic Reticulum Stress and Lipid Metabolism Dynamics
Researchers investigated how polystyrene nanoplastics affect the liver of largemouth bass, focusing on endoplasmic reticulum stress and fat metabolism. They found that nanoplastic exposure disrupted normal lipid processing and triggered stress responses in liver cells, altering the expression of genes involved in fat storage and energy regulation. The study suggests that nanoplastic pollution in freshwater environments may impair metabolic health in fish.
Increasing microplastic exposure had minimal effects on fatty acid composition in zooplankton and yellow perch in a large, in-lake mesocosm experiment
Researchers found that increasing microplastic exposure levels had minimal effects on fatty acid composition in an aquatic organism, suggesting that at the tested concentrations, microplastics do not substantially disrupt lipid metabolism.
Connection between the Gut Microbiota of Largemouth Bass (Micropterus salmoides) and Microbiota of the aquaponics system Environment
Researchers investigated the relationship between gut microbiota composition in largemouth bass and the presence of microplastics in their digestive tracts, finding that microplastic-exposed fish showed distinct microbial community profiles. Certain bacterial taxa associated with plastic degradation were enriched in fish with higher microplastic burdens, suggesting gut microbiota adapt to plastic ingestion.
Occurrence and characterization of microplastic content in the digestive system of riverine fishes
Researchers found microplastics in 93.8% of riverine fish examined, with polystyrene, polyethylene, and nylon being the most common polymer types concentrated near urban and industrial areas, and small particles (0.025-1 mm) predominating across species.
Adverse effects of polystyrene microplastics in the freshwater commercial fish, grass carp (Ctenopharyngodon idella): Emphasis on physiological response and intestinal microbiome
Researchers exposed grass carp to different sizes and concentrations of polystyrene microplastics for up to 14 days, followed by a depuration period, and assessed physiological and intestinal microbiome effects. The study found that microplastics caused histological damage, oxidative stress, and shifts in gut microbial communities, with smaller particles and higher concentrations producing more severe effects.
Species-specific effects of microplastics on juvenile fishes
Researchers found that microplastic effects on juvenile fish are species-specific, with carnivorous largemouth bass showing more severe intestinal morphological damage and inflammatory responses compared to herbivorous grass carp and omnivorous Jian carp.
Studies on the Effect of Microplastics (polyethylene Glycol) on the Growth Performance and Haematology of Labeo Rohita
This study examined the effects of polyethylene glycol microplastics on the growth performance of fish, finding that exposure reduced feed efficiency and body weight gain compared to controls. The results suggest that even water-soluble plastic polymers can impair growth in aquatic organisms at relevant concentrations.
Characteristics and retention of microplastics in the digestive tracts of fish from the Yellow Sea
Researchers systematically characterized microplastics in 19 fish species from the Yellow Sea coast of China, finding plastic retention in 34% of individual fish sampled, with fibers dominating and significant variation in microplastic load by species and habitat.
Lipid-Rich diet protects aquatic vertebrates by reducing polystyrene nanoparticles deposition and alleviating harmful effects from exposure
Researchers showed in zebrafish that polystyrene nanoplastics accumulate selectively in a narrow intestinal segment and alter immune and lipid metabolism gene expression, and that a lipid-rich diet significantly reduced intestinal nanoplastic deposition and partially restored normal transcriptomic profiles.
Polystyrene microplastics induce gut microbiome and metabolome changes in Javanese medaka fish (Oryzias javanicus Bleeker, 1854)
Researchers found that polystyrene microplastic exposure altered gut microbiome composition and metabolic profiles in Javanese medaka fish, with effects on amino acid and lipid metabolism pathways suggesting microplastics can disrupt gut health in aquatic organisms.
What do microplastics mean for aquatic food webs? Some insight from ongoing experimental work in a freshwater ecosystem laboratory.
Researchers used large in-lake mesocosm experiments to investigate whether microplastic exposure altered essential fatty acid composition in yellow perch and zooplankton in a freshwater food web. Fatty acid composition was unaffected when supplemental food was provided, but preliminary results suggested lower fish body weight at high MP concentrations (29,240 particles/L) without supplemental feeding, indicating food dilution as a potential mechanism of MP impact.
New insights into the impact of polystyrene micro/nanoplastics on the nutritional quality of marine jacopever (Sebastes schlegelii)
Researchers investigated how polystyrene micro- and nanoplastics affect the nutritional quality of marine jacopever fish (Sebastes schlegelii), finding that nanoplastics reduced nutritional quality more severely than microplastics. Despite no notable impact on intestinal microbiota function, both particle types impaired lipid and protein metabolism pathways.
Microplastics in Different Tissues of Five Common Fishes from Yuehai Lake: Accumulation, Characterization, and Contamination Assessment
Researchers examined microplastic contamination in the gills and digestive tracts of five fish species from a Chinese lake, finding that fish eating a wider variety of foods accumulated more particles. Different plastic polymer types dominated in different tissues, confirming that microplastics move through freshwater food webs and reach fish that humans consume.
Reassessment of dietary protein and lipid requirements for large yellow croaker, Larimichthys crocea, reared in net pens
Not directly relevant to microplastics — this study optimises dietary protein and lipid levels for farming large yellow croaker fish in net pens.
Nanoplastics impair the intestinal health of the juvenile large yellow croaker Larimichthys crocea
Researchers exposed juvenile large yellow croaker fish to nano-sized polystyrene particles to assess impacts on intestinal health and growth. The study found that nanoplastics accumulated in the fish and caused disorders in digestion, antioxidant defenses, immune function, and intestinal microflora, indicating that nanoplastics can significantly impair gut health in commercially important marine fish species.