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20 resultsShowing papers similar to Microplastics accumulation in gastrointestinal tracts of Mullus barbatus and Merluccius merluccius is associated with increased cytokine production and signaling
ClearFirst evidence of in vitro cytotoxic effects of marine microlitter on Merluccius merluccius and Mullus barbatus, two Mediterranean commercial fish species
This study exposed primary cell cultures from Mediterranean commercial fish — European hake and red mullet — to real marine microlitter collected from coastal waters, finding cytotoxic effects in immune and mucosal tissues. Importantly, both fish species had ingested plastics including HDPE and polypropylene, providing evidence that environmental (not just laboratory) microplastic contamination harms marine food fish.
Microplastics occurrence in edible fish species (Mullus barbatus and Merluccius merluccius) collected in three different geographical sub-areas of the Mediterranean Sea
Researchers examined the gastrointestinal tracts of 229 demersal fish from two Mediterranean species across three geographic sub-areas, finding microplastics in a significant portion of individuals with fibers as the dominant type. The study contributes to growing evidence that microplastic ingestion is widespread in commercially fished Mediterranean species.
Microplastic occurrence in the gastrointestinal tract and gill of bioindicator fish species in the northeastern Mediterranean
Four commercial fish species from the northeastern Mediterranean were examined for microplastic presence in gastrointestinal tracts and gills, with plastics found in all species and fiber being the most common type. The results add to growing evidence that microplastic ingestion is routine for commercially harvested Mediterranean fish.
A Biomarker Approach as Responses of Bioindicator Commercial Fish Species to Microplastic Ingestion: Assessing Tissue and Biochemical Relationships
Researchers assessed microplastic intake and antioxidant biomarker responses in three Mediterranean fish species, finding that microplastic ingestion correlated with oxidative stress indicators across red mullet, bogue, and anchovy populations.
Immunotoxicity of microplastics in fish
This review examines how microplastics damage the immune systems of fish, from harming their gills and organs to disrupting immune cell signaling and gene expression. Over time, microplastic exposure weakens fish immunity by killing immune cells and reducing their ability to fight off infections, with implications for the broader food chain that connects aquatic life to human diets.
Abundance and ecological risk of microplastics in commercial fish species from northeastern Mediterranean Sea
Researchers examined nine commercially important fish species from the northeastern Mediterranean Sea and found microplastics in both their digestive tracts and gills. The most common particles were small polyethylene and polypropylene fibers, and bottom-dwelling fish species had higher contamination levels. While the ecological risk was rated low to medium, the presence of microplastics in widely consumed fish species highlights a potential pathway for human exposure through seafood.
Microplastics’ Occurrence in Edible Fish Species (Mullus barbatus and M. surmuletus) from an Italian Marine Protected Area
Researchers assessed microplastic contamination in the gastrointestinal tracts and livers of red mullet species (Mullus barbatus and M. surmuletus) from a Marine Protected Area in the Ionian Sea, finding microplastics in over 60% of specimens at an average of three items per fish. ATR-FTIR and pyrolysis-GC/MS identified the dominant polymer types, with red mullets showing nearly twice the contamination levels of striped red mullets.
Induction of detoxification systems in wild red mullet Mullus surmuletus after microplastic ingestion
Wild red mullet caught near Mallorca were found to have ingested microplastics in 28% of sampled fish, and those fish showed activation of liver detoxification systems compared to fish without plastic in their stomachs. This is among the first evidence that wild fish experience physiological responses to microplastic ingestion, though no oxidative damage was detected.
First evidence of in vitro cytotoxic effects of marine microlitter on Merluccius merluccius and Mullus barbatus , two Mediterranean commercial fish species
Researchers collected actual marine litter (not lab-made microplastics) from the Northern Adriatic Sea and tested its toxicity on cells from two commercially caught fish species. Real marine microlitter caused significant cell damage and inflammation, including effects not seen with pristine lab-grade microplastics. This suggests that studies using only clean, standardized plastic particles may underestimate the true toxicity of environmental microplastics.
Relationship between biological, ecological parameters and microplastic concentration in Mediterranean fish species
Researchers detected and characterized microplastics in five commercially important Mediterranean fish species -- including Mullus barbatus, Sardina pilchardus, and Trachinus draco -- and analyzed how biological parameters (length, weight) and ecological factors (diet, habitat) influenced microplastic contamination levels across species.
Investigation of microplastic contamination in the gastrointestinal tract of some species of caught fish from Oman Sea
Researchers found microplastics in the gastrointestinal tracts of fish species sampled from marine environments, documenting plastic ingestion across multiple species. The study contributes to the growing evidence base on microplastic contamination in commercially important fish.
Microplastics in aquaculture - Potential impacts on inflammatory processes in Nile tilapia
Researchers fed Nile tilapia a diet containing a mixture of four common microplastics and found that the particles triggered inflammatory responses in both adult and juvenile fish. The microplastics activated immune pathways and caused tissue changes in the gut and other organs, with juveniles being more sensitive. Since tilapia is one of the most widely farmed fish in the world, these findings raise concerns about the safety of farm-raised fish exposed to microplastic-contaminated water.
Microplastic ingestion by Mullus surmuletus Linnaeus, 1758 fish and its potential for causing oxidative stress
About 27% of striped red mullet caught in the Mediterranean had ingested microplastics, but analysis of their livers showed no significant oxidative stress or cellular damage. The study suggests that at current environmental concentrations, microplastic ingestion by this commercially important fish species does not cause measurable acute harm to organ tissue.
Intestinal alterations in European sea bass Dicentrarchus labrax (Linnaeus, 1758) exposed to microplastics: Preliminary results
Researchers fed European sea bass diets containing virgin and pollutant-contaminated PVC microplastic pellets for 90 days and examined the effects on their intestines. They found moderate tissue damage and increased mucus cell activity in fish exposed to both types of microplastics, with pollutant-laden particles causing the most pronounced changes. The study provides early evidence that chronic microplastic ingestion can alter gut health in commercially important fish species.
Ingestion of microplastics and occurrence of parasite association in Mediterranean anchovy and sardine
Scientists quantified microplastic ingestion in European sardines and anchovies from the Northwestern Mediterranean, finding 58–60% occurrence rates and noting that parasite infection was negatively associated with microplastic presence, suggesting shared ecological or physiological factors.
Occurrence, distribution and characteristics of microplastics in gastrointestinal tract and gills of commercial marine fish from Malaysia
Researchers examined 158 commercial marine fish from 16 species in Malaysia and found microplastics in the gastrointestinal tracts and gills of all species studied. Fibers were the most common microplastic type, and the contamination levels varied between sampling locations. The findings add to growing evidence that microplastics are widespread in commercially important fish species, raising questions about the potential for human exposure through seafood consumption.
Revealing the capability of the European hake to cope with micro-litter environmental exposure and its inferred potential health impact in the NW Mediterranean Sea
Researchers investigated microplastic ingestion by juvenile European hake in the NW Mediterranean Sea, revealing the species' capacity to cope with environmental micro-litter exposure while identifying potential health impacts from anthropogenic particle accumulation in this commercially important fish.
Understanding the links between micro/nanoplastics-induced gut microbes dysbiosis and potential diseases in fish: A review
This review examines how microplastics and nanoplastics accumulate in fish intestines and disrupt their gut bacteria, potentially leading to inflammation, immune problems, and metabolic diseases. The disrupted gut microbiome can weaken the intestinal barrier, allowing harmful substances to enter the fish's body. Since fish are a major protein source for billions of people, understanding how microplastics damage fish gut health is important for assessing risks to human food safety.
Occurrence of microplastics in the gastrointestinal tracts of some edible fish species along the Turkish coast
Researchers examined the gastrointestinal tracts of 243 individual fish from five edible species along the Turkish coast, documenting the occurrence and characteristics of ingested microplastics. The study found microplastics present in multiple commercially important fish species, raising implications for seafood safety and human dietary exposure.
Occurrence, abundance and characteristics of microplastics in some commercial fish of northern coasts of the Persian Gulf
Microplastics were found in muscle, liver, gill, and gastrointestinal tissues of 14 commercially fished species from the northern Persian Gulf, with gastrointestinal tissues showing the highest contamination and muscle tissue showing very low levels, suggesting limited translocation from gut to edible flesh in most species.