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61,005 resultsShowing papers similar to Gut microbiota reflect adaptation of cave-dwelling tadpoles to resource scarcity
ClearComparative Analysis of Gut Microbiota Provides Insights into High-altitude Adaptation in Rana kukunoris on the Qinghai-Xizang Plateau
Researchers used 16S rRNA gene sequencing to characterize and compare the gut microbiota of the high-altitude frog Rana kukunoris on the Qinghai-Xizang Plateau with two low-altitude frog species, Rana amurensis and Rana dybowskii. The comparative analysis aimed to identify microbial community differences that may reflect adaptive strategies to extreme high-altitude conditions including low oxygen and harsh temperatures.
Evidence for strong environmental control on bacterial microbiomes of Antarctic springtails
Researchers studied the bacterial communities living inside four species of Antarctic springtails (tiny soil insects) and found that geography — where the springtails lived — was a stronger influence on their gut microbiome than which species they were. This finding helps explain how extreme environments shape the microbial ecosystems inside animals, including those exposed to microplastic contamination.
Habitat disturbance influences the skin microbiome of a rediscovered neotropical-montane frog
Researchers studied the skin bacteria of a rediscovered montane frog in disturbed versus undisturbed habitats, finding that habitat degradation caused more chaotic and variable microbial communities — a pattern called dysbiosis. On the positive side, frogs in disturbed areas had higher levels of bacteria that may protect against the deadly chytrid fungus Bd, suggesting the frog's microbiome may be adapting to coexist with the pathogen over decades.
Ecological differentiation and assembly processes of abundant and rare bacterial subcommunities in karst groundwater
Researchers examined ecological differentiation between abundant and rare bacterial communities in karst groundwater in southwest China, revealing distinct assembly processes and environmental drivers that maintain ecosystem stability in these vulnerable aquifers.
A Thousand Meters Deep: Vertical Profiling of the Subterranean Microbiome of Gourgouthakas Cave
Researchers profiled the microbial communities of Gourgouthakas Cave in Crete down to 1,100 meters depth, isolating 820 bacterial strains and discovering that cave-derived microbes — particularly Pseudomonas and Streptomyces — harbor novel biosynthetic gene clusters and potent antagonistic activity against major agricultural pathogens.
The Effect of Glyphosate And Ciprofloxacin Eexposure On The Gut Bacterial Microbiota Diversity of Rhinella Arenarum (Anura: Bufonidae) Tadpoles
Researchers found that exposure to the herbicide glyphosate and the antibiotic ciprofloxacin significantly altered gut bacteria in toad tadpoles, with some combinations reducing gut microbial diversity. This shows that agricultural chemical runoff can damage the microbiome of amphibians, which are already highly vulnerable to environmental contamination.
The interplay between host-specificity and habitat-filtering influences sea cucumber microbiota across an environmental gradient of pollution
Researchers studied how pollution levels along a Hong Kong coastline affect the gut and skin microbiomes — communities of bacteria living on and in organisms — of a tropical sea cucumber, finding that the animal maintains its own distinct microbial community even in highly polluted areas. This suggests sea cucumbers have strong internal mechanisms that shape their microbiome independently of the surrounding environment, which may help them survive in contaminated coastal waters.
Diet shapes cold‐water corals bacterial communities
Researchers found that diet significantly shapes the bacterial communities living in cold-water corals, with carnivorous and herbivorous diets producing distinct microbiomes. The study sheds light on the ecological factors driving microbial diversity in deep-sea coral ecosystems.
Species-specific Microorganisms in Acid-tolerant Chironomus Larvae Reared in a Neutral pH Range under Laboratory Conditions: Single Dataset Analysis
Researchers systematically compared larval microbiomes of 11 Chironomus midge species from acidic and neutral pH environments using amplicon sequencing, finding that acid-tolerant species exhibited lower microbiome evenness and a biased abundance of specific microorganisms consistent with acid tolerance mechanisms.
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.
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.
Dynamic responses of gut microbiota to agricultural and wildfire ash: insights from different amphibian developmental stages
Researchers studied how ash from wildfires and rice straw burning affects the gut bacteria and survival of frogs at different life stages. Wildfire ash significantly reduced tadpole survival and altered gut microbial communities differently than agricultural ash. The findings suggest that combustion byproducts in freshwater ecosystems may pose distinct risks to amphibians depending on the ash source and the animal's developmental stage.
Rhizospheric bacterial communities against microplastics (MPs): Novel ecological strategies based on the niche differentiation
Researchers studied how bacterial communities living around plant roots adapt when exposed to microplastics in soil. They found that rhizosphere bacteria developed distinct survival strategies depending on their ecological niche, with some species thriving while others declined in the presence of plastics. The study reveals that microplastics can reshape the microbial communities that plants depend on for nutrient uptake and disease resistance.
Ecogenomic insights into the resilience of keystone Blastococcus Species in extreme environments: a comprehensive analysis
Researchers analyzed the genomes of Blastococcus bacteria found in extreme environments such as deserts and volcanic soils, uncovering molecular adaptations that allow them to survive intense stress while contributing to soil health and nutrient cycling. These findings suggest Blastococcus species could be harnessed for soil remediation and sustainable farming in harsh climates.
Association between the skin microbiome and MHC class II diversity in an amphibian
Researchers examined how genetic background and MHC class II diversity shape the skin microbiome of amphibians, finding that host genotype influences microbial community composition in ways that may affect disease resistance and environmental adaptation.
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.
Microplastics ingestion induces plasticity in digestive morphology in larvae of Xenopus laevis
Researchers found that Xenopus laevis tadpoles exposed to microplastics exhibited digestive tract plasticity — increasing intestinal length — as an adaptive response to the reduced nutritional quality of food diluted with indigestible plastic particles.
Gammaproteobacteria, a core taxon in the guts of soil fauna, are potential responders to environmental concentrations of soil pollutants
Researchers identified a group of gut bacteria called Gammaproteobacteria as a key indicator of soil pollution stress in soil invertebrates, finding these microbes respond sensitively to environmental contaminants and could serve as a biological signal for assessing soil ecosystem health.
Plastics underground: microplastic pollution in South African freshwater caves and associated biota
Scientists discovered microplastic contamination in underground freshwater caves in South Africa, including in cave water, sediment, and small crustaceans living there. This finding is notable because it shows microplastics have reached even remote, subterranean environments, and cave-dwelling animals are ingesting them.
Responses of Gut Microbial Community Composition and Function of the Freshwater Gastropod Bellamya aeruginosa to Cyanobacterial Bloom
Researchers tracked gut microbial community composition and function in the freshwater gastropod Bellamya aeruginosa during a cyanobacterial bloom, finding significant shifts in microbiota structure and metabolic function in response to bloom-associated environmental stress. The study provides insight into how harmful algal events alter host-microbiome dynamics in aquatic invertebrates.
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.
Insights into the Gut Microbiota of the Freshwater Crab Sinopotamon planum across Three Seasons and Its Associations with the Surrounding Aquatic Microbiota
Researchers characterized the gut microbiota of freshwater crab Sinopotamon planum across three seasons, finding seasonal shifts in microbial community composition that correlated with changes in surrounding aquatic microbiota and environmental conditions.
From the Mountain to the Valley: Drivers of Groundwater Prokaryotic Communities along an Alpine River Corridor
Researchers sampled river water and groundwater from 59 sites along a 300 km transect of the Mur River valley in Austria and Slovenia, finding that dispersal limitation drives microbial community assembly at high altitudes while homogeneous selection dominates in lowland aquifers, with land use being a key determinant of groundwater microbiome composition throughout.
The effects of food provisioning on the gut microbiota community and antibiotic resistance genes of Yunnan snub-nosed monkey
Researchers compared the gut bacteria and antibiotic resistance genes of Yunnan snub-nosed monkeys that receive supplemental food from a reserve with those of wild-foraging groups. The study found differences in microbial communities between the two groups, suggesting that food provisioning programs, while helpful for population recovery, may alter the gut health of these endangered primates.