Articles tagged with Microorganisms
Researchers have found evidence of CO2 binding in brine channels within sea ice, where microorganisms thrive. This phenomenon diminishes the greenhouse effect and could inform global climate models.
A comprehensive list of 235 planthoppers from Iran has been compiled, featuring new species names and taxonomic data. The study aims to improve pest control management and encourage further research on this important group of insects.
Researchers have discovered a new way to produce biodegradable plastic PHB using microalgae. This alternative method could provide a renewable source of plastics, reducing the millions of tons of waste caused by petroleum-based plastics.
A University of Illinois study found that cleanliness of seeds is crucial in preventing foodborne pathogens in radish, broccoli, and alfalfa sprouts. The study suggests that industry attention to seed cleanliness can help eliminate E. coli and other microorganisms during germination and sprouting.
Using autonomous unmanned aerial vehicles (UAVs), researchers are creating an early warning system for high-risk plant pathogens by predicting atmospheric transport barriers. This technique aims to improve crop security, disease spread, and climate change management.
Scientists have identified a unique protein in an insect gut microbe that stores iron, regulating the concentration of molecules important for plant-insect interactions. The discovery sheds light on the survival strategies of the microbe and its relationship with the host insect.
Researchers used computer models to simulate the dispersal of microorganisms in the Earth's atmosphere, finding that smaller microbes can easily travel thousands of kilometers over a year-long period. This study has significant implications for understanding microbial diversity and the potential for disease outbreaks.
A UT professor's research on a pathogen that attacks the small intestines of humans and animals has inspired the development of robots that can fight disease and aid in military operations. The microorganism Giardia has been found to have unique properties, such as efficient swimming and attachment mechanisms.
Researchers found that bacterial microbes inside the oil slick degraded it at a rate five times faster than those outside, accounting for its disappearance. However, the microbes did not multiply or produce new cells despite consuming energy from respiration, leaving scientists puzzled about their fate.
A new knowledgebase, Kbase, will integrate disparate data streams on plants and microbes to facilitate question-asking about huge datasets. This will help make progress on improved ways to generate biofuels and optimize plant yields.
Soil microbes release more methane and nitrous oxide when atmospheric carbon dioxide increases, counteracting the cooling effects of plant growth. This feedback loop suggests that nature is not as efficient in slowing global warming as previously thought.
Researchers discovered a unique regulatory circuit in plants that controls their immune sensor, which could lead to new ways to understand and treat autoimmune diseases. By studying this mechanism, scientists hope to develop treatments for allergies and other ailments.
A Harvard expert investigates brown spots on King Tut's tomb walls, discovering they are not living organisms but rather dead microbes. The analysis of the spots reveals that the tomb was buried in an unusual hurry, with moisture and food providing a bountiful environment for microbial growth.
Researchers have discovered a high concentration of bacteria in the center of hailstones, indicating that airborne microorganisms may play a role in weather events. The study suggests that biological particles, such as bacteria, can act as ice nuclei, catalyzing ice formation at temperatures near -2 degrees Celsius.
Researchers at UC San Diego and Scripps Institute of Oceanography used matrix-assisted laser desorption ionization mass spectrometry to reveal multiplex microbial interactions. The technique allowed them to see competition for resources, secretion of molecules altering neighboring organisms' phenotypes.
Scientists studying hot springs in Siberia have found that exotic bacteria produce and consume carbon monoxide, a surprising twist that challenges previous theories about the evolution of Earth's atmosphere. The discovery has implications for understanding the Great Oxidation Event and the early history of our planet.
A large randomized trial found that preventive antibiotic use significantly reduces the risk of infection with highly resistant microorganisms in intensive care patients. Patients treated with selective digestive tract decontamination (SDD) were 59% less likely to develop bacteraemia and 38% less likely to colonize respiratory tracts.
Researchers at University of Maryland developed a genetic 'fingerprinting' tool to track down microbial suspects. By analyzing DNA sequences and identifying unique mutations, they helped the FBI link anthrax-laden letters to a specific test tube at Fort Detrick.
Recent research from the University of Illinois found that different types of diets affect endogenous losses of fat in pigs. The study measured endogenous losses to determine true digestibility of both intact and extracted corn oil, revealing that intact fat was less digestible than extracted fat.
MIT researchers discovered that ocean currents cause elongated microbes to filter light, affecting photosynthesis and phytoplankton growth rates. This phenomenon was previously overlooked in models of light propagation, but fluid flow can change things, influencing carbon fixation and remote sensing estimates.
Canada Research Chair Barbara Sherwood Lollar's research examines the effectiveness of bioremediation technologies in cleaning up groundwater contamination. Her techniques use isotopic signatures to track clean-up progress, providing a critical framework for regulators and practitioners.
A new microscopy technique developed at MBL allows scientists to see the spatial arrangement of up to 28 differently labeled microbes in a single field of view. This technique, called CLASI-FISH, reveals the spatial structure of microbial communities and enables faster and more accurate diagnosis of microbes.
Researchers at SRNL are using patented microbes to break down chlorinated solvents in contaminated groundwater. The MicroCED mixture has shown promise in transforming lethal chlorinated ethenes into safe end products, potentially offering a cheaper alternative to energy-intensive cleanup methods.
Researchers have discovered a new group of algae, rappemonads, which thrive in both freshwater and saltwater environments. The findings suggest that these microorganisms may be widespread globally.
A simple method for tracking E. coli uses laser imaging to detect and monitor microbe contamination in water, potentially reducing waterborne disease outbreaks. The technique improves on existing methods by providing vital information on microbial source tracking.
According to Angelicque White, an assistant professor of oceanography at Oregon State University, the 'Great Garbage Patch' is less than 1% of Texas's geographic size. The amount of plastic in the North Pacific Ocean has not increased tenfold since the 1950s, contrary to previous claims.
Researchers at Harvard Medical School identified a new aspirin-derived molecule that reduces levels of pro-inflammatory molecules and cells in mice. This finding suggests that the molecule could contribute to the beneficial effects of aspirin.
Researchers believe metabolic engineering could revolutionize the production of chemicals, replacing non-renewable resources with bio-based alternatives. Jay Keasling's work aims to engineer microbes to perform complex chemistry, expanding product availability and reducing costs.
Concordia University researchers have made a breakthrough in converting plant material into biofuels using engineered bacteria. By introducing structural proteins on the surface of Lactococcus lactis, scientists can create a stable surface for chemical activity, paving the way for more efficient bioprocessing and organic material break...
Research by Arizona State University's Rolf Halden found that triclosan and triclocarban persist in wastewater sludge, soils, and natural water environments, posing risks of bioaccumulation and biomagnification. These chemicals are also linked to endocrine disruption and selective pressure on microorganisms, increasing the likelihood o...
Excess nitrogen in groundwater and water bodies harms aquatic life; new denitrifying bioreactors can treat agricultural runoff and urban wastewater at a lower cost. Research confirms successful operation in various settings, including agricultural fields and small townships.
Researchers found that incorporating ultraviolet light into vacuuming can reduce surface microbes by 87 percent, nearly doubling the removal of potentially infectious microorganisms from carpets. Vacuuming alone reduced microbes by 78 percent.
USDA scientists have developed a first-of-its-kind mathematical model to select optimal temperature and salt concentrations to reduce or eliminate microbial contamination in smoked salmon. The research aims to protect the pleasing flavor and texture of smoked salmon while ensuring food safety.
Researchers found microbes in the Gulf of Mexico's seafloor brine pools consume methane 10-100 times faster than previously realized. High concentrations of methane are present in these pools, which are then consumed by microbes, reducing the amount of greenhouse gas released.
Rural Cogeneration has developed a solar generator that can bring electricity to remote areas worldwide. The project uses a Rankine engine and mirrors to generate power and hot water, with plans to manufacture locally and train local maintenance personnel.
Household dust contains up to 1000 microbial species, including both beneficial and harmful bacteria. Studying these microorganisms is crucial for maintaining indoor air quality and preventing health issues such as allergies and asthma.
Researchers at the University of Illinois have discovered how a cow rumen bacterium breaks down hemicellulose into simple sugars, with implications for human health, nutrition, and biofuel production. The study provides an enzyme cocktail that can release simple sugars from plant cell walls, advancing the biofuels industry.
Virginia Tech researchers investigate how the shape of crude oil remnants affects their biodegradation rate. They also explore the impact of oxygen levels and carbon leaching on microbe growth, which can accelerate or hinder the process.
Scientists have successfully converted stem cells from a key immune system organ into skin stem cells without genetic modification. This breakthrough allows for potential applications in regenerating tissues and has implications for the development of new therapies.
A recent expedition to the Mid-Cayman Rise identified three unique types of hydrothermal vents, expanding our knowledge of extreme environments. The discovery provides insight into the origins and evolution of life on Earth and has implications for searching for life elsewhere in the universe.
A new survey method reveals a broader and more diverse array of metal-driven chemical processes in microbes than previously recognized. The research could lead to innovative biofuels and bioremediation technologies.
A new method has revealed a vast diversity of metal-containing proteins in organisms, with implications for understanding protein structure and function. The discovery is expected to lead to important breakthroughs in biological processes, disease detection, and the development of new drugs.
Researchers found that marine microorganisms are attracted to dimethylsulfoniopropionate (DMSP), a chemical involved in ocean sulphur and carbon cycles. The team's study visualized microbial behavior for the first time using microfluidic technology, shedding light on the importance of these tiny organisms in climate regulation.
A new study has uncovered a mysterious area beneath the deep ocean floor, providing insights into microbial life in this extreme environment. Researchers believe that this habitat could be one of the largest biological reservoirs on Earth, holding secrets to new species and metabolism.
The NSF has awarded a rapid response grant to scientist David Valentine to understand how the use of dispersants impacts the degradation of oil in the Gulf of Mexico. Researchers will investigate the effects of surfactant compounds on the ability of microbes to naturally degrade hydrocarbon compounds found in crude oil.
Researchers link bacterial spacing to photosynthesis, providing new insights into ancient fossils and the evolution of life. By studying microbial mats, they discovered a consistent one-centimeter spacing that records the maximum distance bacteria can compete for nutrients.
A beneficial microbe called Muscodor albus may help protect fresh grapes from troublesome gray mold. Experiments have shown that M. albus can combat Botrytis cinerea, the organism that causes gray mold.
A study by the Academy of General Dentistry found that triclosan/copolymer toothpaste is more effective at killing harmful germs in the mouth than regular fluoride toothpastes. This can help minimize cavities, gum disease, and bad breath.
bbi-biotech offers a novel sampling system that extracts sterile samples from bioreactors without dead volume, ensuring representative and contamination-free samples. The bioPROBE MK1 system facilitates at-line analysis and real-time monitoring of process status, enabling immediate regulation and optimization.
A recent study examines sediments from the Chicxulub impact crater, finding evidence supporting K-T mass extinction theories. Another study investigates the formation of dikes in volcanic eruptions, shedding light on magmatic overpressure and eruption hazards.
Researchers at Johns Hopkins Medicine have identified a key protein, TRPV2, that plays a crucial role in helping macrophages capture and destroy germs. The protein helps macrophages bind to bacteria more effectively, which enables the immune system to clear infections more efficiently.
Researchers discovered that algae, specifically Karlodinium veneficum, emits toxins to stun and immobilize its prey, which could lead to new ways to slow bloom growth. By reducing nutrient load and promoting filter feeders like the Eastern oyster, blooms may be reduced.
A team of scientists has discovered that rare microbial organisms, once thought to be undetectable, dominate the ecosystem in a unique hydrothermal vent field. The study, led by William Brazelton at the University of Washington, found that microorganisms can remain rare for long periods before becoming dominant when ecosystems change.
Researchers found that exposure to environmental bacteria triggers a mild inflammatory response in pregnant mice, rendering their offspring resistant to allergies. This protective mechanism could potentially prevent allergies in people by conditioning the developing immune system to tolerate microbes and allergens.
Researchers are using genomics to study the microbial community and determine how to create conditions for them to thrive, helping to detoxify metal toxins in wastewater. The approach relies on a diverse microbial community that provides essential nutrients to microbes like Sulfate-Reducing Bacteria.
Researchers at the University of Illinois have developed a wet ethanol production method that produces more gallons of ethanol and usable co-products. This process involves soaking corn kernels, resulting in higher ethanol concentrations and better quality co-products compared to conventional dry fractionation methods.
Researchers have successfully produced renewable hydrogen from wastewater using a microbial electrolysis system at a Napa Valley winery. The process uses bacteria to convert organic material into electrical current and then produces hydrogen gas, which can be used as a clean energy source.
Kyoto University Professor Sakayu Shimizu received the 2009 Enzyme Engineering Award for his pioneering contributions to biotechnological tools and novel microbial reactions. His research has led to the commercialization of many biotechnological processes on a large scale.
Researchers used mixed consortia of bacteria to degrade naphthenic acids, a type of toxic compound found in crude oil and tar sands. The microbes broke down the compounds in just a few days, reducing environmental pollution from these areas.
A study by Duke University environmental engineers reveals that microbes can convert tiny mercury particles into methylmercury, a potent toxin for nerve cells, through reactions with organic matter and sulfides. This process is crucial in understanding how mercury enters the food chain and poses risks to human health.