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61,005 resultsShowing papers similar to Co-exposure to polyethylene fiber and Salmonella enterica serovar Typhimurium alters microbiome and metabolome of in vitro chicken cecal mesocosms
ClearCo-exposure to Polyethylene Fiber and Salmonella enterica Typhimurium Alters Microbiome and Metabolome of in vitro Chicken Cecal Mesocosms
An in vitro study using chicken cecal bacteria found that co-exposure to polyethylene microplastic fibers and Salmonella enterica Typhimurium altered the gut microbiome composition and metabolite profiles compared to either exposure alone, lowering the Firmicutes-to-Bacteroidetes ratio. The results suggest microplastics can modify how poultry gut bacteria interact with foodborne pathogens, with potential implications for food safety and human health through the food chain.
Environmental Microplastic Exposure Changes Gut Microbiota in Chickens
Researchers exposed chickens to environmentally relevant concentrations of microplastics and found that their growth performance decreased significantly. The gut microbiota composition was also altered, with changes in the abundance of several bacterial groups important for digestion and health. The study suggests that microplastic contamination in poultry environments could affect both animal welfare and the broader food production chain.
Polyethylene microplastics impair chicken growth through gut microbiota-induced hepatic fatty acid metabolism dysfunction
This study showed that polyethylene microplastics, especially those containing chemical additives called phthalates, significantly slowed chicken growth by disrupting liver fat metabolism and gut bacteria. The microplastics altered the balance of intestinal microbes, which in turn affected how the liver processed fats. Since chickens are a major human food source, these findings raise questions about how microplastic contamination in poultry feed could affect both animal welfare and food quality.
Microplastics: a potential threat to gut microbiota and antioxidant capacity of broiler chickens
Researchers investigated the effects of microplastic exposure on broiler chickens and found significant increases in liver enzyme and oxidative stress markers alongside decreased antioxidant capacity. The study also revealed substantial disruption to gut microbiota, with reduced diversity and altered microbial community structure affecting energy metabolism, amino acid metabolism, and other key functions.
Environmental microplastics exposure decreases antioxidant ability, perturbs gut microbial homeostasis and metabolism in chicken
Researchers studied the effects of microplastic exposure on chickens and found that it decreased growth performance and antioxidant capacity while causing damage to the intestine, liver, kidney, and spleen. The study also revealed significant changes in gut microbiota composition, including decreased diversity and shifts in taxonomic makeup, suggesting microplastics disrupt gut microbial homeostasis in poultry.
Characteristics of microplastics in typical poultry farms and the association of environment microplastics colonized-microbiota, waterfowl gut microbiota, and antibiotic resistance genes
Researchers investigated microplastic contamination in poultry farm environments and in the intestines of farm-raised waterfowl for the first time. They found microplastics in soil, pond water, and bird guts, with the plastic surfaces hosting microbial communities that carried antibiotic resistance genes. This raises dual concerns: microplastics may both contaminate poultry meat that humans eat and help spread antibiotic-resistant bacteria through farming environments.
Microplastic Contamination in Commercial Poultry Feed and Edible Chicken Tissues: An Emerging Environmental Concer
Researchers investigated microplastic contamination in commercial poultry feed and edible chicken tissues from farms near Rajshahi City, Bangladesh, finding microplastics in all samples tested. Feed samples contained an average of 18.7 microplastic particles per gram, while chicken meat averaged 0.95 particles per gram, with fibers being the dominant shape. The study raises concerns about the transfer of microplastics from feed to edible poultry tissues as a pathway for human dietary exposure.
Dose-effect of polystyrene microplastics on digestive toxicity in chickens (Gallus gallus): Multi-omics reveals critical role of gut-liver axis
Researchers fed chickens different doses of polystyrene microplastics and used multi-omics analysis to study digestive system damage through the gut-liver axis. They found that microplastics disrupted gut barrier function, altered liver metabolism, and changed gut bacterial communities in a dose-dependent manner. The study provides detailed molecular evidence of how microplastics can damage the digestive health of poultry, which may have implications for food safety.
Effects of microplastics on trophic parameters, abundance and metabolic activities of seawater and fish gut bacteria in mesocosm conditions
Mesocosm experiments showed that microplastics altered bacterial community structure and metabolic activity in both seawater and fish guts, suggesting that plastic pollution can disrupt microbial ecosystems in the marine environment. The findings raise concerns about how microplastic-driven microbiome changes could affect fish health and broader ecosystem functioning.
The impact of polyethylene microplastics exposure on the, growth performance, reproductive performance, antioxidant capacity, and intestinal microbiota of quails
Researchers fed quails different levels of polyethylene microplastics and found that exposure harmed their growth, reproduction, and gut health. The microplastics reduced antioxidant defenses and disrupted the balance of beneficial bacteria in the birds' intestines. Since poultry is a major food source for people, microplastic contamination in farm animals raises concerns about indirect human exposure through the food chain.
Gut dysbiosis: Nutritional causes and risk prevention in poultry, with reference to other animals
This review examines the causes and consequences of gut dysbiosis in poultry and other animals, identifying microplastics as one of several environmental pollutants that can disrupt gastrointestinal microbial communities. Researchers describe how reduced microbial diversity leads to inflammation, compromised gut barriers, and disorders affecting multiple organ systems. The study highlights that microplastics, along with heavy metals, pesticides, and other contaminants, contribute to the growing challenge of maintaining healthy gut microbiomes in animal populations.
Microplastic exposure induces muscle growth but reduces meat quality and muscle physiological function in chickens
Researchers found microplastic contamination in chicken muscle tissue from a commercial farm and showed that feeding chickens polystyrene microplastics caused the plastics to accumulate in their muscles over time. While the contaminated chickens grew larger muscles, their meat quality and muscle function decreased. This study is important because it demonstrates that microplastics can build up in poultry meat, meaning people may be consuming microplastics through chicken.
The impact of polystyrene nanoplastics on the chicken gut and liver: Based on transcriptomics and microbiomics
Researchers fed polystyrene nanoplastics to chickens for 21 days and found that the particles triggered inflammation and oxidative stress in the gut and liver, damaged the intestinal lining, and disrupted the gut microbiome — with some effects persisting even after exposure stopped. Because poultry is a major protein source for humans globally, these findings raise concerns about nanoplastic contamination in the food supply.
Survival and transfer potential of Salmonella enterica serovar Typhimurium colonising polyethylene microplastics in contaminated agricultural soils
Researchers found that Salmonella bacteria can survive on polyethylene microplastics in agricultural soil for extended periods and even transfer to lettuce plants. The microplastic surfaces provided a protective habitat for the bacteria, helping them persist longer than in soil alone. This study highlights a concerning pathway by which microplastics in farmland could help spread food-borne illness to crops that people eat raw.
First Report on Microplastics Quantification in Poultry Chicken and Potential Human Health Risks in Pakistan
Researchers in Pakistan found microplastics in the crops and gizzards of poultry chickens from eight different farms, identifying over 1,200 particles across 24 samples. Fibers were the most common type, likely coming from plastic feed bags and the farm environment. Since chicken is a major protein source, this study reveals another pathway through which microplastics may enter the human diet.
Harmful impacts of microplastic pollution on poultry and biodegradation techniques using microorganisms for consumer health protection: A review
This review examines how microplastic pollution affects poultry health and food safety, finding that microplastics have been detected in chicken meat from supermarkets and open markets. Evidence indicates that microplastics can damage vital organs in poultry, reduce egg production, and accumulate in edible tissues. The authors also review biodegradation techniques using microorganisms as a potential strategy for reducing microplastic contamination in the food supply.
Review: interactions between microplastics and the gastrointestinal microbiome
This review summarizes existing research on how microplastics interact with the gut microbiome in humans, mice, chickens, and aquatic animals. Evidence suggests that gut bacteria can break microplastics into smaller pieces, which may make them more likely to cross the intestinal wall and enter the body. The disruption of the gut microbiome by microplastics is particularly concerning because balanced gut bacteria are essential for immune function, digestion, and overall health.
Impact of microplastic intake via poultry products: Environmental toxicity and human health
This review examines how microplastics enter the human diet through poultry products like chicken meat and eggs. Microplastics from contaminated feed, water, and farm environments accumulate in poultry tissues and are then passed to consumers. The study highlights that this food chain transfer represents an underappreciated pathway of human exposure, with potential risks including inflammation, gut disruption, and accumulation of toxic chemicals carried by the plastic particles.
The ingestion of microplastics affects the diversity of the gut microbiome and testicular development in Japanese quail
This study examined how microplastic ingestion affects gut microbiome diversity and composition in an animal model, finding that microplastic exposure alters microbial community structure in ways that may impair digestive and immune function.
Polystyrene Nanoplastics Exposure Alters Gut Microbiota and Correlates with Egg Quality Parameters in Chickens
Researchers exposed chickens to 100 nm nanoplastics through their diet for 120 days and found that the particles accumulated in intestinal tissues, causing structural damage including villus atrophy and goblet cell depletion. The study also revealed significant gut microbiota disruption and correlations with reduced egg quality parameters, suggesting nanoplastic exposure may affect both poultry health and productivity.
Polyethylene microplastics affect the distribution of gut microbiota and inflammation development in mice
Researchers fed mice different concentrations of polyethylene microplastics for five weeks and found significant changes in gut bacteria composition and signs of intestinal inflammation. Higher doses increased bacterial diversity and altered the balance of specific bacterial species, while triggering immune responses and inflammation in the colon and duodenum. The study provides evidence that microplastic ingestion can disrupt the gut microbiome and promote intestinal inflammation in mammals.
Exposing Salmonella Senftenberg and Escherichia coli Strains Isolated from Poultry Farms to Formaldehyde and Lingonberry Extract at Low Concentrations
This paper is not relevant to microplastics research — it investigates the antibiotic resistance and biofilm-forming ability of Salmonella and E. coli bacteria isolated from poultry feed.
Microplastic-induced gut microbiota and serum metabolic disruption in Sprague-Dawley rats
Researchers exposed rats to a mixture of common microplastic types at concentrations reflecting real-world human exposure and found significant disruptions to gut bacteria and blood metabolites. The microplastic mixture altered the balance of beneficial and harmful gut microbes and changed metabolic pathways related to amino acids and lipids. The study suggests that everyday microplastic exposure from food and water may affect mammalian gut health and metabolism.
Chronic Exposure of Adult Zebrafish to Polyethylene and Polyester-based Microplastics: Metabolomic and Gut Microbiome Alterations Reflecting Dysbiosis and Resilience
Researchers exposed adult zebrafish to polyethylene and polyester microplastics at environmentally relevant concentrations and found significant disruptions to metabolic pathways and gut microbiome composition. Polyethylene primarily affected cell membrane compounds and inflammation-related metabolites, while polyester altered lipid metabolism and gut bacterial interactions. The study reveals that chronic microplastic exposure can cause subtle but meaningful shifts in fish metabolism and gut health, even at low concentrations.