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61,005 resultsShowing papers similar to The effects of food provisioning on the gut microbiota community and antibiotic resistance genes of Yunnan snub-nosed monkey
ClearMicroplastics and gut microbiomes impact on Yunnan snub-nosed monkeys in the Three Parallel Rivers region in China
Researchers studied microplastic exposure in endangered Yunnan snub-nosed monkeys in China, finding that exposure levels were linked to provisioned food, social dominance hierarchy, and age. Evidence indicates that current microplastic intake levels did not cause significant gut microbiome disruption in these primates, providing a baseline for conservation planning.
Different living environments drive deterministic microbial community assemblages in the gut of Alpine musk deer (Moschus chrysogaster)
Researchers found that captive and wild Alpine musk deer harbor significantly different gut microbial communities, with living environment being a deterministic factor in shaping microbial assembly and diversity in this endangered ruminant.
The fecal bacterial microbiome of the Kuhl’s pipistrelle bat (Pipistrellus kuhlii) reflects landscape anthropogenic pressure
This study examined the gut microbiome of Kuhl's pipistrelle bats across landscapes with varying levels of human disturbance. Researchers found that bats living in more pristine, undisturbed environments had more resilient gut microbiomes, suggesting the fecal microbiome could serve as a non-invasive indicator of bat health and inform landscape conservation strategies.
Variation in the gut microbiota of wild Eurasian otter (Lutra lutra) likely reflects diet shifts between snow-free and snow seasons
Researchers studied the gut bacteria of wild Eurasian otters across two seasons, finding that their microbiome shifts significantly depending on what they eat — fish in summer versus high-fat prey in winter. The study notes that future comparisons with urban otters could reveal whether microplastic contamination in waterways disrupts their gut health.
Divergent gut microbial metabolism supports niche partitioning in giant and red pandas
Researchers found that giant pandas and red pandas have evolved distinct gut microbial metabolic pathways that support niche partitioning, with differences in energy acquisition modes and dietary strategies reflected in their microbiome composition. These divergent metabolic strategies represent a highly coordinated adaptive system linked to ecological differentiation between the two species.
Macrogenomes reveal microbial-mediated microplastic degradation pathways in the porcine gut: a hope for solving the environmental challenges of microplastics
A metagenomic study of pig gut contents found a diverse community of microorganisms harboring genes capable of breaking down multiple types of microplastics. This raises the intriguing possibility that gut microbiota in food animals may partially degrade ingested microplastics, but it also raises questions about whether breakdown products or altered microbial communities pose risks that pass up the food chain to humans.
Gut microbiota reflect adaptation of cave-dwelling tadpoles to resource scarcity
Researchers studied the gut microbiota of cave-dwelling frog tadpoles that spend three to five years developing underground in resource-scarce conditions. They found that the cave dwellers harbored unique bacterial communities enriched in enzymes for breaking down plant fibers and producing short-chain fatty acids, potentially aiding nutrition under food scarcity. The study suggests that gut microbiota play a key role in helping organisms adapt to extreme, nutrient-limited environments.
Tetracycline exposure alters key gut microbiota in Africanized honey bees ( Apis mellifera scutellata x spp.)
Researchers found that exposure to tetracycline antibiotics significantly altered gut bacteria communities in Africanized honey bees, disrupting their microbiome health. Since bees can be exposed to antibiotics through agricultural practices, the findings raise concern about antibiotic impacts on pollinator health.
Microplastic-associated gut microbial profile and antibiotic resistance in preschool children: a multicentre cross-sectional study in China
In a multicentre study of 335 preschool children across three Chinese cities, researchers detected eight types of microplastics in fecal samples at a median concentration of 212.1 micrograms per gram. The study found that microplastic exposure was associated with changes in gut microbiota composition and function, including metabolic pathways related to macronutrients and vitamins, as well as a relationship with antibiotic resistance gene abundance.
Comparative analysis of gut fungal composition and structure of the yaks under different feeding models
Researchers compared the gut fungal communities of wild yaks, house-fed domestic yaks, and grazing domestic yaks on the Tibetan plateau. They found that wild and grazing yaks had significantly more diverse gut fungal communities than house-fed yaks, with the feeding model strongly influencing which fungal species thrived. The study suggests that natural grazing supports a richer gut microbiome in yaks compared to indoor feeding, with potential implications for animal health and digestion.
Study on the association between microplastic exposure and gut microbiota based on metagenomics: A pilot study on 66 young college students in China
In a pilot study of 66 young college students in China, researchers analyzed stool samples to examine the relationship between microplastic exposure and gut microbiota composition. Participants with higher microplastic concentrations in their stools showed increased abundance of potentially harmful intestinal bacteria, with polystyrene microplastics having the most pronounced effect on gut microbial community structure.
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.
Population response of intestinal microbiota to acute Vibrio alginolyticus infection in half-smooth tongue sole (Cynoglossus semilaevis)
Researchers examined intestinal microbiota responses to acute Vibrio alginolyticus infection in half-smooth tongue sole, finding that infection increased vulnerability to secondary infections by intestinal pathogens and promoted antibiotic resistance gene transfer.
First Report of Microplastics in Wild Long-Tailed Macaque (Macaca fascicularis) Feces at Kosumpee Forest Park, Maha Sarakham, Thailand
Researchers report the first detection of microplastics in the feces of wild long-tailed macaques at a forest park in Thailand. They found various types and sizes of microplastic particles in the samples, indicating that these primates are ingesting plastics from their environment. The study raises concerns about the extent of microplastic contamination reaching wildlife in natural habitats through dietary exposure.
Integrated Analysis of the Transcriptome and Microbial Diversity in the Intestine of Miniature Pig Obesity Model
Researchers fed miniature pigs a high-fat, high-carbohydrate diet for 26 weeks and compared their gut health to pigs on a normal diet. The obesity-prone pigs showed increased inflammation, disrupted blood sugar metabolism, and significant declines in beneficial gut bacteria. The study reveals strong connections between diet-induced gut microbial changes and immune-related gene expression in the intestines.
Developmental Dynamics of the Gut Virome in Tibetan Pigs at High Altitude: A Metagenomic Perspective across Age Groups
Researchers profiled the gut virome of Tibetan pigs at high altitude using metagenomic sequencing, tracking viral community dynamics across different developmental stages. The study identified novel bacteriophages and found that gut viral diversity changed substantially with age, providing baseline data on virome development in this understudied livestock population.
Microbiome differences between wild and aquarium whitespotted eagle rays (Aetobatus narinari)
Researchers compared the gut microbiomes of whitespotted eagle rays living in aquariums versus the wild and found significant differences in bacterial communities, though aquarium rays appeared healthy, suggesting their microbiomes adapt to managed environments without causing obvious harm.
The intestinal microbiota of a Risso’s dolphin (Grampus griseus): possible relationships with starvation raised by macro-plastic ingestion
Researchers profiled the gut bacteria of a stranded Risso's dolphin that died after ingesting rubber gloves, finding that starvation caused by plastic obstruction was associated with disrupted microbial diversity and the presence of potentially opportunistic pathogens, offering early evidence linking plastic ingestion to microbiome dysbiosis in cetaceans.
Exposure to High-molecular-weight Polyvinyl Chloride Alters Bacterial Diversity in the Gut Microbiota of the Wistar Rat
Researchers exposed Wistar rats to high-molecular-weight polyvinyl chloride microplastics through their diet and measured changes in gut microbiota diversity and composition. PVC microplastic ingestion significantly altered bacterial diversity in the gut microbiome, supporting the hypothesis that microplastic exposure can disrupt intestinal microbial ecology with potential consequences for host health.
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.
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.
Microplastic pollution of threatened terrestrial wildlife in nature reserves of Qinling Mts., China
Researchers found microplastics in the feces of three threatened wildlife species in China's Qinling Mountains nature reserves, including the golden snub-nosed monkey and leopard cat. Thirty-four types of microplastics were identified, with predators like the leopard cat having the highest levels, likely due to accumulation through the food chain. The finding that even protected wildlife in remote nature reserves is contaminated with microplastics shows how widespread this pollution has become.
Influence of selected dosages of plastic microparticles on the porcine fecal microbiome
Researchers fed pigs different doses of PET microplastics for 28 days and analyzed changes in their gut bacteria. Higher doses of microplastics increased certain bacterial groups that produce short-chain fatty acids, which are important for gut health and immune function. Since pig digestive systems are similar to humans, these results suggest microplastic exposure could alter our gut microbiome in ways that affect digestion and overall health.
Polystyrene microplastic exposure induces selective accumulation of antibiotic resistance genes in gut microbiota and its potential health risks
Researchers used advanced genomic techniques to examine how polystyrene microplastic exposure affects antibiotic resistance genes in the gut bacteria of rats. They found that microplastic exposure selectively increased certain types of antibiotic resistance genes and promoted their ability to transfer between bacterial species. The study suggests that microplastic ingestion could contribute to the spread of antibiotic resistance within the gut, posing potential health risks.