Papers

61,005 results
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Article Tier 2

How do microplastics affect the composition and function of gut microbiota?

Researchers reviewed how microplastics may disrupt gut microbiota composition and metabolic function, noting that while dysbiosis is a likely outcome of exposure, the full extent of these effects in humans remains poorly characterized and understudied.

2026 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

How do microplastics affect the composition and function of gut microbiota?

Researchers reviewed how microplastics may disrupt gut microbiota composition and metabolic function, noting that while dysbiosis is a likely outcome of exposure, the full scope of these effects in humans remains understudied.

2026 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Ecotoxicological impacts of microplastics to gut microbiota: Response mechanism, challenges and environmental sustainability-A review

This review summarizes how microplastics affect gut bacteria in fish, mice, and earthworms after being swallowed. Microplastics can change the balance of gut microbes and reduce their helpful functions, leading to digestive problems, slower growth, and weakened immunity. Since humans are exposed to microplastics through food and water, these findings raise concerns that our own gut health could be similarly affected.

2025 Ecotoxicology and Environmental Safety 5 citations
Article Tier 2

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.

2025 South African Journal of Animal Science 1 citations
Article Tier 2

Microplastics and their interactions with microbiota

This review examines how microplastics interact with microbiota (the communities of microorganisms in the environment and in living bodies). Microplastics can carry harmful bacteria and disrupt the natural balance of microbial communities in soil, water, and the human gut. The disruption of gut microbiota by microplastics is particularly concerning because a healthy gut microbiome is essential for immune function, digestion, and overall health.

2023 Heliyon 64 citations
Systematic Review Tier 1

The ant that may well destroy a whole dam: a systematic review of the health implication of nanoplastics/microplastics through gut microbiota

This systematic review summarizes existing research on how nanoplastics and microplastics disrupt gut bacteria in various organisms. The findings show that plastic particle exposure consistently alters gut microbiome composition, which in turn affects the host's immune function, metabolism, and overall health. These gut bacteria changes may be a key pathway through which microplastics harm human health.

2025 Critical Reviews in Food Science and Nutrition 2 citations
Article Tier 2

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.

2024 Environmental Pollution 14 citations
Article Tier 2

Microplastics as an aquatic pollutant affect gut microbiota within aquatic animals

This review examined how microplastics affect the gut microbiota of aquatic animals, analyzing the roles of plastic-associated chemicals and biofilms in disrupting microbial communities from ingestion through physiological impacts.

2021 Journal of Hazardous Materials 109 citations
Article Tier 2

Current levels of microplastic pollution impact wild seabird gut microbiomes

Researchers studied wild seabirds and found that the amount of microplastics in their guts was linked to significant changes in their gut bacteria. Birds with more microplastics had fewer beneficial bacteria and more harmful ones, including disease-causing and antibiotic-resistant species. This is one of the first studies to show that real-world microplastic exposure is already altering gut microbiomes in wild animals.

2023 Nature Ecology & Evolution 139 citations
Article Tier 2

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.

2024 Italian Journal of Animal Science 14 citations
Article Tier 2

Microplastics and human health: unveiling the gut microbiome disruption and chronic disease risks

This review summarizes evidence that microplastics disrupt the gut microbiome, the community of bacteria in our digestive system that plays a key role in immunity, metabolism, and overall health. By altering gut bacteria balance and triggering inflammation, microplastic exposure may contribute to chronic conditions including inflammatory bowel disease, metabolic disorders, and potentially even neurological problems through the gut-brain connection.

2024 Frontiers in Cellular and Infection Microbiology 82 citations
Article Tier 2

Microplastics and microbiota: Unraveling the hidden environmental challenge

This editorial summarizes the emerging evidence that microplastics disrupt the gut microbiome, decreasing microbial diversity and triggering an imbalance called dysbiosis. This disruption affects immune function, nutrient metabolism, and overall health, though the full long-term consequences of this two-way relationship between microplastics and gut bacteria remain an active area of research.

2024 World Journal of Gastroenterology 23 citations
Article Tier 2

Interaction between microplastics and microorganism as well as gut microbiota: A consideration on environmental animal and human health

This review explores how microplastics interact with microorganisms in the environment and within the gut, examining implications for both animal and human health. Researchers found that microplastics can alter gut microbiota composition, promote the spread of antibiotic-resistant bacteria, and amplify the toxicity of other environmental pollutants. The study suggests that the interaction between microplastics and gut microorganisms is an important emerging area for understanding health risks.

2019 The Science of The Total Environment 405 citations
Article Tier 2

Gut microbiota, a key to understanding the knowledge gaps on micro-nanoplastics-related biological effects and biodegradation

This review explores how micro- and nanoplastics affect the community of microorganisms living in the gut, and how those same gut microbes might be able to break down plastic particles. Swallowed microplastics can disrupt the balance of gut bacteria, potentially leading to various diseases. On the other hand, some gut bacteria can actually degrade plastics into smaller, less harmful molecules, opening a possible avenue for biological cleanup.

2024 The Science of The Total Environment 12 citations
Systematic Review Tier 1

Impact of microplastics on the human gut microbiome: a systematic review of microbial composition, diversity, and metabolic disruptions

This systematic review of 12 studies found that microplastics including polyethylene, polystyrene, and PVC induce gut dysbiosis in humans, reducing beneficial bacteria and enriching pathogens. Microplastic exposure also impairs short-chain fatty acid production and modulates immune pathways, contributing to intestinal disease, metabolic syndrome, and chronic inflammation.

2025 BMC Gastroenterology 19 citations
Article Tier 2

Microplastic Exposure Across Trophic Levels: Effects on the Host Microbiota of Freshwater Organisms

Researchers investigated how microplastic exposure affects the gut bacteria communities of freshwater organisms including fish, invertebrates, and crustaceans. Microplastics—particularly when combined with pesticides—altered gut microbiota composition, which could impair digestion, immunity, and overall health of freshwater species.

2021 1 citations
Article Tier 2

The microplastic-crisis: Role of bacteria in fighting microplastic-effects in the digestive system

This review examines how microplastics affect the human digestive system and explores whether certain bacteria could help counteract the damage. Microplastics disrupt the gut by altering microbial communities, interfering with digestive enzymes, and damaging the protective mucus lining. The authors highlight the potential for probiotic bacteria to bind to microplastics, reduce inflammation, and help repair the gut environment, offering a possible protective strategy against microplastic-related digestive harm.

2024 Environmental Pollution 12 citations
Article Tier 2

Toxicological Evaluation of Effects of Some Environmental Pollutants on Intestinal Microbiota: Traditional Review

This review examines how various environmental pollutants affect the gut microbiome — the community of microorganisms in the intestinal tract. Microplastics are among the pollutants discussed, and their ability to alter gut microbiota composition is increasingly recognized as a mechanism by which plastic particles may harm human and animal health.

2023 Journal of Literature Pharmacy Sciences
Meta Analysis Tier 1

The impact of microplastics on the mice gut microbiome: a meta-analysis

This meta-analysis pools data from multiple mouse studies to assess how ingested microplastics affect gut bacteria. It found that microplastic exposure can alter the balance of the gut microbiome, which is important because gut health is closely tied to immune function, digestion, and overall well-being.

2025
Article Tier 2

Plastics in our water: Fish microbiomes at risk?

This review examined how microplastics and leached plasticizers affect the gut microbiomes of freshwater and marine fish, summarizing evidence for dysbiosis and reduced microbial diversity and discussing potential consequences for fish immunity, metabolism, and environmental fitness.

2021 Comparative Biochemistry and Physiology Part D Genomics and Proteomics 25 citations
Systematic Review Tier 1

Impacts of microplastics on gut health: Current status and future directions

This systematic review found consistent evidence across mouse, fish, and earthworm models that microplastics disrupt gut microbiota composition, impair intestinal barrier integrity, and trigger gastrointestinal inflammation. The correlation between microplastic exposure and gut health deterioration was statistically significant across all animal models examined.

2025 Indian Journal of Gastroenterology 2 citations
Systematic Review Tier 1

Impact of microplastics on the intestinal microbiota: A systematic review of preclinical evidence

Across 28 preclinical studies, microplastics triggered intestinal dysbiosis characterized by increased Firmicutes and Proteobacteria and decreased Bacteroidetes, while increasing gut permeability and elevating pro-inflammatory cytokines including IL-1β, TNF-α, and IL-6.

2022 Life Sciences 70 citations
Review Tier 2

Microbial risks associated with microplastics in the food chain and possible control measures (literature review). Part 1. Dietary intake and influence on the gut microbiota

This review summarizes evidence that microplastics commonly found in food and drinking water can disrupt the human gut microbiome when ingested. Studies show that microplastics alter the composition and function of intestinal bacteria, potentially affecting digestion, immunity, and overall health. Since a healthy gut microbiome is essential for human wellbeing, this pathway of harm deserves attention alongside other known risks of microplastic exposure.

2023 Hygiene and Sanitation 3 citations
Article Tier 2

Polystyrene microplastics induce gut microbiota dysbiosis and hepatic lipid metabolism disorder in mice

Researchers fed mice two sizes of polystyrene microplastics for five weeks and observed significant disruption of gut bacteria and changes in liver fat metabolism. The microplastics decreased mucus production in the gut and shifted the balance of key bacterial populations at multiple taxonomic levels. The study suggests that microplastic ingestion can trigger gut microbiota imbalance in mammals, which may in turn affect metabolic health.

2018 The Science of The Total Environment 966 citations