Articles tagged with Microbial Ecology
Researchers found that infant gut microbial ecosystems develop unique patterns of stability, with changes influenced by diet and antibiotic exposure. The study used genomic tools to analyze massive amounts of genetic data and identified individual strains within single species of the gut microbiome.
A new experiment reveals that fungal endophytes, which live inside plants, play a key role in invasion success and invasional meltdown in multi-species communities. The study found that alien species share fewer soil microbes with each other than with native species, making them less negatively affected by each other.
A recent study published in AGU Advances reveals that warming peatlands can lead to a rapid release of stored carbon into the atmosphere. The researchers found that even modest temperature increases can trigger significant microbial processes, resulting in faster-than-historical carbon loss rates.
New research suggests that as Earth warms, natural ecosystems like freshwaters will release more methane than predicted. The study attributes this difference to changes in microbial communities within ecosystems regulating methane emissions.
The June 2020 issue of Journal of Dental Research explores the latest research on the oral microbiome, highlighting rapid progress in understanding its dynamics. The papers cover topics such as analyzing microbial communities, cultivating species, and their connections to oral health conditions like cancer and diabetes.
Researchers found that surface runoff alters microbial communities in cave pools, with sulfur-oxidizing bacteria replaced by human contaminants during heavy rains. The study highlights the impact of surface pollution on groundwater sources and cave ecosystems.
A new thermodynamic model predicts the minimum energy requirements for microbial communities to live, providing evidence that experimental data can be used to estimate energy requirements of microbial pathways. The study also introduces a generalisable platform for modelling biochemical conversions mediated by microbes.
Deep-sea mining disturbs seabed ecosystems, affecting microorganisms and their biogeochemical functions for extended periods. The study found that even after 26 years, disturbance effects persisted, highlighting the need for sustainable technologies to avoid removing densely populated surface layers.
Research at MIT found that transient invaders can lead to a rapid takeover of the ecosystem, but then disappear. This phenomenon occurs when the invader's growth produces metabolic byproducts that raise the pH, making the environment less hospitable for itself and other species.
A team of researchers studied microbial communities in the Cuatro Cienegas Basin, a nutrient-poor ecosystem that may resemble early Earth and past Martian wetlands. They found that organisms in these environments have evolved to process biochemical information efficiently, with species adapted to low-resource strategies dominating nutr...
A Yale-NUS research team discovered a connection between the Great Barrier Reef and the Australian continental landmass via airborne microbes. This finding underscores the interconnectedness of ecosystems, necessitating holistic conservation efforts.
Researchers at the University of Illinois constructed synthetic microbial communities to study their dynamics and predict behavior. The study found that increasing variability in microbial interactions drives community structure, and that characterizing this variation can empower predictions of ecosystem succession.
A study reveals that microbial communities in reproductive tracts of males and females can impact fertility, behavior, and evolution. These microbiomes may also influence mate choice, sexual health, and the origin of new species.
Crop residues serve as a key microbial ecosystem, contributing to both crop health and disease susceptibility. The microbiomes of crop residues may play a crucial role in innovative disease management strategies.
The study uses mathematical models to predict metabolites generated by microbial species within the gut, revealing a four-level trophic organization. The findings suggest that species composition changes along the gut, with bacteria near the end forming the lowest trophic level.
Researchers from Drexel University have developed a method to analyze RNA codes that can reveal how groups of microbes operate. The new approach, called 'themetagenomics,' identifies recurring patterns indicating co-occurring groups of microbes, allowing for better understanding of their functions and potential health implications.
A new study by University of California, Berkeley, identified a core microbiome in commercial tomatoes that is robust and stable. The researchers used experimental evolution to select for microbes that best survived on the plants, resulting in a healthy plant microbiome.
The Marine Biological Laboratory team has used innovative microscopy to reveal the structure of microbial communities coating microplastic samples from various ocean sites. These biofilms can influence the microplastics' fate and interact with other organisms, posing a threat to marine survival.
A new coral disease has been found to alter the community of microbes on host corals, and measuring these changes may be a useful tool for monitoring coral health. The disease, known as 'grey-patch disease', was characterized by the growth of cyanobacteria, forming a biofilm that overgrew live coral tissue.
A recent study found that fumigants used to control nematodes in potato cropping systems have very minor effects on soil microbial communities. The research suggested that the average efficacy of these pesticides was estimated at 98% across all nematodes studied.
Researchers found that infants with stable, large bacterial clusters had improved respiratory health. The study's findings suggest that early-life interventions could prevent respiratory infections by shaping microbial communities across the body.
Researchers aim to understand how microorganisms respond to drought, potentially shedding light on adapting to climate change. Studying the microbiome of dead plant matter in Southern California fields, they found that certain bacteria and fungi shift composition in response to moisture deprivation.
A University of Oklahoma team has developed a mathematical framework for quantitatively assessing ecological diversity in dynamic communities. The framework, which considers both deterministic and stochastic forces, provides a robust tool for ecologists to evaluate the relative contribution of these forces.
A new type of therapeutic food targeting gut microbes proves superior to standard treatment in an initial clinical trial. The food, containing chickpea, soy, bananas and peanuts, restored healthy growth and gut microbial communities in malnourished children.
Researchers observed increased methanogenesis genes at upper layers of warming permafrost, while carbohydrate metabolism genes were more abundant at shallower depths. This study provides insight into tundra microbial responses to experimental warming.
A new study found that microbial communities in Alaskan soil respond rapidly to warming, leading to increased methane and carbon dioxide production. Microbial species and genes involved in these processes became more abundant with warmer conditions.
A new study uses machine learning to identify bat species with the potential to host Nipah virus, focusing on India. Four new bat species are flagged as surveillance priorities, and their predictions aim to guide surveillance and prevent deadly outbreaks.
A new computational modeling method, MTV-LMM, predicts how the gut microbiome will change over time by analyzing snapshots of microbes found in a person's gut. This could lead to better diagnosis and treatment of diseases, as well as insights into other types of temporal microbiome processes.
Assistant professor Bala Chaudhary's research aims to understand how symbiotic plant microbes disperse at large continental scales. The project will use data from the National Ecological Observatory Network and analyze soil samples using DNA sequencing to determine eco-climatic predictors of mycorrhizal communities.
Researchers discovered that bacteria in coral reef waters change dramatically at night, and then return to the same daytime community the next morning. A group of microbes called Psychrobacter appears to be leading the way, dominating the marine microbial community during the day and being a hundred times more abundant at night.
A NSF-sponsored project led by Colorado State University researcher Mike Wilkins aims to understand how microbes drive ecosystem functions in deep, dark crevices. The study focuses on methylamine metabolism, a critical process for microbial life in fractured shales and other environments.
Researchers discovered a bacterium in camel crickets that breaks down lignin, opening new pathways for biofuel production and chemical manufacturing. The study highlights the value of ecosystem analysis in identifying commercially valuable microorganisms with industrial applications.
A new study reveals how the long-horned passalid beetle's gut microbiome breaks down woody biomass into energy-rich products like acetate and biofuels. The findings provide insights into a nature-derived approach to producing affordable fuels and bioproducts.
A new model microbiome community, THOR, has been developed by researchers to improve human health and soil productivity. The community of bacteria produced complex traits such as biofilms, which could lead to the development of new antibiotics and improved crop yields.
A new DNA analysis technique reveals insights into how ecosystems respond to climate change and environmental shifts by studying microbial genes. Microorganisms play a vital role in shaping ecosystems, and analyzing their plasmidome helps scientists understand the history of an environment.
Researchers find that varying distances of microbial interactions affect community organization. Longer distances favor diffusible toxic molecules, while close-range interactions benefit contact-dependent devices.
A study by UCR researcher Sydney Glassman explored how climate change affects the ability of microbes to recycle nutrients. The research found that specific microbial communities play an independent role in decomposition, and their response to climate change is not solely dependent on the environment they reside in.
A warming-induced shift in microbial community composition requires more biodiversity to maintain ecosystem function due to the increased likelihood that remaining species will not tolerate rising temperatures. The study suggests that warmer conditions may accelerate the impacts of biodiversity decline on ecosystems.
The Friedrich Schiller University Jena has been granted funding for its Cluster of Excellence 'Balance of the Microverse', focusing on microbial communities and their impact on human health, environment, and climate change. The cluster aims to advance knowledge on microbiota dynamics and functions.
New research shows that the timing and order of introduction of gut bacteria after birth significantly impact the development of the microbiome. This discovery could eventually allow doctors to establish beneficial gut bacteria in infants right after birth, potentially warding off serious chronic diseases.
Jizhong Zhou receives the 2019 American Society for Microbiology Award for Environmental Research for groundbreaking discoveries in microbial ecology and environmental genomics. His work has transformed our understanding of microbial biodiversity and ecosystem functions.
Kristen DeAngelis will lead a new soil warming studies project with undergraduates annotating soil microbe genomes and investigating bacterial traits. The goal is to understand how bacteria thrive in warmer soils and their impact on the environment.
A new OU study shows that climate warming accelerates temporal turnover rates of soil bacterial and fungal communities, affecting ecosystem predictability. The research finds divergent succession of microbial communities under climate warming, with reduced stochasticity and dynamic drivers.
Researchers identified a key metabolic pathway allowing microbes to maintain osmotic balance, produce energy, and obtain carbon and nitrogen. Microbial metabolism significantly influences compound concentrations in shale-derived fluids.
Research in mice suggests that antibiotics alter the redox potential of the gut environment, leading to changes in microbial communities. The study proposes new ecological models for how antibiotics reshape the gut microbiome and could inform the development of drugs to treat microbial disorders or prevent antibiotic-associated infecti...
Microbes at deep-sea hot springs are surprisingly productive, generating more than 4,000 tons of organic carbon daily, equivalent to the amount in 200 blue whales. They convert chemicals into energy through chemosynthesis, serving as a crucial base for the food web.
Researchers found that phosphorus addition allows microbes to rapidly grow in previously thought to be uninhabitable sites. This challenges previous ecological assumptions and expands understanding of life's limits on Earth.
The study investigates the effects of different disturbance events on a simple microbial food web, finding that the type of disturbance affects bacterial communities and stability. The results highlight the importance of considering trophic interactions and time factors in ecological systems.
Scientists have analyzed 100-year-old samples of cyanobacteria from Captain Scott's Discovery expedition, providing a baseline for levels of cyanotoxins in Antarctic freshwater. The discovery enables researchers to study the effects of climate change on blue-green algae and their toxins in Antarctica.
Jizhong Zhou, a renowned researcher at OU, has made significant contributions to understanding the role of microbes in environment, climate change. He is recognized by the ESA Fellowship, reflecting the quality of OU's faculty, students, and staff.
A recent study published in Science Advances found that CO2 leakage from storage sites can drastically alter seabed ecosystems, leading to the disappearance of animals and disruption of the food chain. The researchers also discovered that some microorganisms can adapt to increased CO2 levels, but most species struggle to cope.
A team of researchers from the Oak Ridge National Laboratory has discovered how microorganisms adapt to survive in phosphorus-poor environments. By analyzing genes and proteins, they found an increase in phosphorus-acquiring enzymes and a large number of genes that break down complex organic compounds like phytate.
A comprehensive study has identified just a handful of bacterial taxa that dominate the Earth's soil globally. These abundant bacteria can be grouped based on five key environmental preferences, providing new insights into their roles in regulating nutrient cycles, plant productivity, and terrestrial carbon dynamics.
Researchers found that urban streams have more pharmaceutical pollution than suburban counterparts, leading to changes in microbial communities. The study suggests that urban streams harbor resistant microbes that can maintain ecological function despite pharmaceutical exposure.
A team led by OSU professor Kerry McPhail will study stromatolites in South Africa's barrage pools, seeking insights into chemical signaling and metabolite production among ancient microbial communities. The research aims to advance our understanding of the origins of life and develop new medicines.
Researchers developed a novel method to infer microbial interactions using steady-state data, avoiding perturbations and potential ethical concerns. The approach allows for accurate network inference without requiring population dynamics modeling, enabling better understanding of microbial ecosystems.
A young scientist's groundbreaking work reveals that microbial communities' metabolic processes are influenced by environmental constraints rather than species interactions. The study uses high-throughput sequencing technology to analyze the DNA of entire microbial communities, providing insights into bioremediation and ocean chemistry.
Scientists at Lund University have developed new systems to study microorganisms in the ground using microchips, revealing complex ecosystems and interactions between microbes and their environment. The technology allows for real-time analysis of microbial processes, enabling researchers to better understand soil structures and functions.
A research team led by David Brankovits discovered that cave-adapted organisms can thrive on methane gas and bacteria near it, raising the possibility of similar life forms existing worldwide. The study found a complex food web involving tiny organisms and large shrimp.
Researchers analyzed wheat microbiome under conventional, no-till, organic, and reduced chemical inputs management strategies, finding strong effects on microbial communities by wheat plant organ and age. The study provides foundational data for generating synthetic microbiomes to improve crop yields and disease resistance.