Articles tagged with Microorganisms
Researchers at Oregon State University have developed a tool that can accurately predict the flow rate of Arctic rivers based on bacterial abundance and composition. By analyzing microbial profiles, scientists can estimate discharge levels without deploying traditional flow meters in remote areas.
The team is using mycorrhizal fungi to stabilize soil and conserve water in restoration sites. By inoculating seedlings with native microbes, they aim to improve native plant survival and growth. The research also explores the differences between disturbed and pristine environments, informing ecological restoration efforts.
Researchers discovered that ancient microbes and modern humans share a similar molecular mechanism for respiration, adapting to changing environmental conditions. The study provides new insights into the evolution of Complex I and its potential use as a source of clean energy.
A team of researchers discovered that deep ocean aquifers can break down more refractory carbon than previously thought. Microbes in the aquifer consume carbon, changing the composition of the surrounding seawater. This finding has the potential to reshape our understanding of carbon cycling in the deep ocean.
Researchers at Tohoku University have found that microorganisms with cilia can escape from dead ends using a swimming motion. This ability enables them to survive in intricate environments where other organisms may not be able to thrive.
Ocean microbes produce at least fifty percent of the oxygen in our atmosphere while removing large amounts of carbon dioxide. The new LRAUVs can transit for over 600 miles and use their own 'eyes and ears' to detect important oceanographic events like phytoplankton blooms.
Researchers have discovered an active microbial community in the Atacama Desert's most arid zones, which becomes metabolically active following periodic moisture increases. The findings have implications for the search for life on Mars, suggesting that past conditions may have supported life that could endure hyper-arid environments.
A new review assesses the microbial degradation potential in Arctic seas, highlighting six factors challenging oil-eating microbes, including low temperatures, sea ice, and nutrient-poor environments. The research reveals that these factors can slow down biodegradation and reduce the efficiency of microbial degradation.
A recent study by Arizona State University Assistant Professor Michael Varnum suggests that humans will likely react positively to the discovery of extraterrestrial life. In three pilot studies, language analysis revealed significantly more positive emotions in coverage of past potential discoveries and participant reactions.
A Penn State research team has created a system that uses microbial reactors to rapidly break down solid and liquid waste, producing a nutritious food source for astronauts on deep-space missions. The system, which can minimize pathogen growth, uses anaerobic digestion to convert human waste into edible biomass.
A new study found that some building blocks of the Pentagon and Empire State Building were made by microbes up to 340 million years ago. The material, oolitic limestone, is composed of concentric layers of mineralized microbes debunking the popular snowball theory.
Researchers use a new method called magic pools to study hundreds of transposon systems in parallel, speeding up the process of identifying functional transposons. This approach enables scientists to test multiple genetic variants simultaneously, reducing the trial and error process and accelerating the development of new genetic tools.
Researchers at KAUST and TUM have successfully identified and characterized an enzyme from a brine pool in the Red Sea, which shows promising characteristics for commercial use. The study uses single-amplified genomes to produce proteins and provides a roadmap for mining molecular riches of extreme environments.
A recent study from Linköping University reveals that the supply of fresh organic compounds increases chlorination in soils, potentially changing our view on chlorine's significance. The discovery highlights new ecological functions of chloride and its potential impact on risk models for radioactive waste.
Scientists from UCLA and University of Wisconsin-Madison analyze ancient fossils, discovering primitive photosynthesizers, methane producers, and consumers. The findings suggest that life in the universe is widespread and not difficult to form.
Researchers at IRB Barcelona identify BigH1 histone as crucial for male fertility and sex cell differentiation, promoting reproductive health. The study provides new insights into the role of histones in regulating gene expression and understanding infertility.
A UMass Amherst team discovers electrically conducting filaments in several microbe species, greatly broadening the research field. The discovery reveals that some larger pilins can also yield e-pili, and the ability to express e-pili has arisen independently multiple times.
A study found that plants prioritize flower protection over leaf defense and increase hormone concentrations in flowers to deter attackers. Dual attacks by caterpillars and bacteria leave plants more vulnerable to aphid attacks.
A €2 million European Research Council grant has been awarded to NIOZ scientist Helge Niemann to investigate microbial breakdown of plastics in the ocean. Microbes may utilize plastics as carbon substrates, but key factors controlling degradation are largely unknown.
Three new studies have identified key proteins in microbes found in extremely salty environments, enabling them to survive in cold, dry conditions. These findings have applications in green biotechnology and could lead to the removal of toxic contaminants like perchlorate from groundwater.
New species of microbes named Pseudotrichonympha leei, lifesoni, and pearti are found in termites' guts and have long flagella resembling Geddy Lee's hair. The microbes also exhibit rhythmic movements, prompting researchers to name them after Rush musicians.
A RUDN University researcher found that plant root secretions stimulate microbial activity, leading to faster decomposition of organic matter and increased nutrient availability for plants. This has significant implications for long-term carbon accumulation and soil fertility in paddy soils.
Researchers discovered a four-phase pattern in soil organic matter decay and carbon dioxide flows to the atmosphere due to soil warming. This pattern has significant implications for global warming, as it suggests that microbial communities are adapting to changing conditions by evolving new enzymes to process reduced carbon.
A combination of biosolids, zinc, and limestone effectively lowers cadmium levels in spinach to non-toxic levels. This innovative approach aims to protect local producers and consumers by growing safe and profitable crops.
Researchers from North Carolina State University have engineered designer biosensors that can detect antibiotic molecules of interest produced by microbes such as E. coli. The biosensors use a naturally occurring molecular switch to detect the presence of macrolide antibiotics, enabling the screening of millions of different strains qu...
Researchers use digital holographic microscopy to detect microorganisms and evidence of life in Enceladus water plumes. A universal biosignature is also proposed to detect biological systems on ocean worlds like Enceladus.
The study highlights how human activities like tourism, trade, and agriculture impact microbial populations worldwide. Researchers warn of potential extinction risks for some microbes due to increased competition and spreading of antibiotic resistance genes.
Researchers from the University of Vienna have challenged a 150-year-old hypothesis on the evolutionary origin of the gut by studying sea anemones. Contrary to previous beliefs, digestive enzyme- and insulin-producing gland cells do not develop from endoderm but from the ectodermal part of the mouth in sea anemones.
A new study reveals that methane-eating microbes in Antarctica's subglacial Whillans Lake can consume nearly all released methane, potentially reducing its impact on the atmosphere. This process could have significant climatic implications and may play a critical role in mitigating the effects of melting Antarctic ice sheets.
A $90 billion global problem in the oil industry may be solved by reducing environmental harm through a new process called biosouring. Researchers are developing a technology called GeoBioCell to track interactions between water, rock, microbes, and oil in controlled environments.
Researchers warn of harm to beneficial microbes and ecosystems from antibiotic runoff into natural systems, calling for improved wastewater treatment and responsible use. The review article explores commonly used antibiotics' impact on microbes essential to a healthy environment.
A technique called digital holographic microscopy, which uses lasers to record 3-D images, may be used to spot extraterrestrial microbes on Enceladus. The method could help identify living cells by analyzing motion and chemical composition.
A recent review by the European Food Safety Authority (EFSA) incorrectly linked Bacillus thuringiensis (Bt), a highly effective biopesticide, to diarrhoea in humans. However, Dr Ben Raymond of the University of Exeter disputes these findings, citing recent evidence that supports Bt bacteria as "very safe for humans".
A Danish-led study found that microbes in Greenland's ice sheet can resist and degrade globally-emitted pollutants like mercury, lead, and PAHs. The research highlights the need for more attention to the release of anthropogenic contaminants as climate change melts the ice sheets.
A team of scientists discovered a microorganism in Yellowstone that thrives on low-energy sources despite having access to richer alternatives. The organism can obtain energy by combining hydrogen with sulfur or iron, but grows best on the lowest energy supply.
A research team at Berkeley Lab identified principal oil-degrading bacteria and their mechanisms for degrading crude oil components. They also discovered a new bacterium, Bermanella macondoprimitus, which plays a crucial role in oil degradation.
Scientists have found that random diversification and extinction of cells can organize bacteria into taxonomic units as effectively as traditional ecological forces. This discovery challenges current models of microbial classification, highlighting the need for a reevaluation of the task.
A research team from China University of Geosciences and Lomonosov Moscow State University studied the impact of wildfire on testate amoebae. They found that fire led to significant changes in the structure of testate amoeba communities, with some microorganisms surviving while others died.
A new rapid molecular test for Staphylococcus aureus bloodstream infections allowed doctors and pharmacists to start targeted therapy sooner, leading to shorter hospital stays and lower readmission rates. This approach also resulted in a reduction of antibiotic usage.
Researchers found that up to 89% of uranium in Wyoming's roll front deposits is non-crystalline and bound to organic matter, contradicting conventional wisdom. This biogenic uranium has implications for environmental remediation and mining practices.
A team led by the Department of Energy's Oak Ridge National Laboratory has discovered a novel microbial process that can break down toxic methylmercury in the environment. This process could reduce mercury toxicity levels and support health and risk assessments, particularly in fish consumption.
A Rutgers University study published in Journal of Food Protection found that washing hands with cool water is just as effective as using hot water in removing harmful bacteria. The study's findings suggest that comfortable or warm water should be used instead of requiring a specific temperature for handwashing.
Researchers found that soil microbes respond differently to shifts in moisture, with those from wetter areas respiring twice as much carbon to the atmosphere. This discovery suggests historical rainfall levels can impact climate modeling, improving predictions of local or regional differences in soil respiration and climate history.
A UK research team found Campylobacter on nearly half of the boots worn by volunteer walkers in countryside areas, with prevalence varying by region and season. The study used a novel method to assess human/pathogen interactions, providing insights into potential routes of infection.
A new Stanford study found that microbes sometimes fail to break down all plant and animal matter, leaving behind buried organic carbon. This preserved carbon can seep into nearby oxygen-rich waterways, where it's consumed by microbes, contributing to greenhouse gas production.
A new study from the University of Georgia finds that increasing water temperatures are responsible for the accumulation of nitrite in marine environments, disrupting ocean food webs. Nitrite can alter single-celled plants, affecting animals that feed on them, and lead to toxic algal blooms.
Researchers found Arctic soils are sensitive to climate change, with warming temperatures increasing microbial growth and respiration rates. This may lead to enhanced CO2 emissions and increased nutrient availability, potentially altering the delicate ecosystem.
Cornell University scientists discovered a high-definition system allowing electrons to travel through soil more efficiently than previously thought. Biochar amendments facilitate this process, promoting conductive networks and growth.
Researchers have gained unprecedented insights into the biological 'Gatling gun' of dinoflagellates, a type of planktonic microbe. These microscopic organisms have developed sophisticated defensive mechanisms, including harpoon-like structures and projectile-firing organs that resemble a Gatling gun.
A recent study published in Phytobiomes found that the use of cereal rye as a cover crop can lead to elevated disease risk in corn. Researchers isolated and characterized oomycetes, including Pythium species, which were associated with cereal rye roots and passed on to corn seedlings.
Researchers have sequenced genomes of microorganisms in Aarhus Bay's subsurface seabed, showing they grow in slow motion with generation times up to 100 years. The extreme environment leads to low adaptability and minimal energy availability.
Scientists have found that vitamin B12 controls 41 different proteins in a bacterium, regulating folate, ubiquinone, and methionine metabolism. This discovery highlights the importance of B12 in shaping microbial communities and their impact on human health.
A team of scientists has redefined the activation mechanism of the complement protein C1, a crucial part of the innate immune system. The study reveals that C1 is activated when two proteins are in close proximity, contradicting previous theories.
Researchers at UMass Amherst have developed a 'green' conducting material using microbial nanowires, which can be mass-produced at room temperature from inexpensive renewable feedstocks. This breakthrough could accelerate the development of novel electronic devices and sensors with environmentally friendly technology.
A new study reveals how Roseobacter bacteria claim heme from algal cells, recycling iron into the marine food web. This process keeps iron near the surface, influencing plankton growth and ocean nutrient cycles.
University of Utah researchers explore the connection between gut microbes and birds' unique breathing patterns. The team found that diverse gut microbes play a critical role in allowing herbivorous woodrats to process naturally occurring toxins, with promising implications for human health and animal husbandry.
Specific Technologies has developed a new paradigm for quantitative determination of antibiotic efficacy with minimal sample preparation and at a low cost. The SpeciFAST system offers phenotypic MIC matching CLSI gold standard results in most cases within 3 hours from positive blood culture.
Researchers have successfully elucidated the crystal structure of PHA synthase, a key enzyme in producing polyhydroxyalkanoates. This breakthrough enables the development of tailor-made biodegradable polymers that could potentially replace environmentally unfriendly petroleum-based products.
Microorganisms like fungi and bacteria produce volatile compounds that boost plant growth, flowering, and reserve substance accumulation. This discovery could lead to eco-friendly alternatives to conventional agrochemicals.
A study by CSIC researchers has discovered that volatile biostimulant compounds emitted by phytopathogenic microorganisms boost plant growth and flowering. The findings could lead to sustainable improvements in crop yields and encourage plant interactions.