Articles tagged with Microorganisms
New research summarizes what is known about oil in the ocean after a spill, including the impact of chemical dispersants. Investigators highlight the importance of studying extracellular polymeric substances (EPS) to improve response to future oil spills.
Scientists have discovered that biosurfactants, produced by microorganisms, can effectively reduce interfacial tension and improve oil recovery. The KFU Biocontrol Lab has found proof that these biological analogues are less toxic, biodegradable, and suitable for industrial applications.
Researchers found microscopic signs of microbial activity in ancient rock formations from South Africa's Barberton greenstone belt, dated at 3.22 billion years old. The discovery suggests life took hold on land as early as 3.2 billion years ago.
Researchers found microbes consuming fracking fluid, creating new compounds that support microbial communities below ground. The study provides insight into the complex interactions among microbes and their role in shaping the planet's environment.
Recent findings from the 1976 Viking mission and ongoing research suggest that microbial life on Mars is a possibility worth exploring. The presence of water, complex organic molecules, and methane in the Martian environment support a biological explanation for the results of the Viking Labeled Release experiment.
A newly discovered bacterium divides by orienting its plane parallel to its axis and dividing asynchronously, challenging traditional cell biology theories. This unique method may provide an evolutionary advantage to the symbiont, allowing it to remain faithful to its host.
A meta-analysis of 62 studies found that no-till agriculture increases microbial biomass and enzymatic activity compared to tilled systems. Chisel plows associated with greater microbial biomass in conservation tillage systems.
Researchers create functional coatings with microorganism-resistance, self-cleaning and anti-reflecting properties. The new materials have potential for various applications, including seagoing vessels, mobile phone screens and spectacle lenses.
Researchers developed a new technique using modified strains that consume xenobiotic nutrients, allowing them to outcompete other microorganisms. This method enables mass biofuel production without the use of antibiotics, which is poised as a more sustainable energy source.
A study found that zinc carnosine can improve gut health and prevent leaky gut in athletes. The supplement, taken alone or with bovine colostrum, may help prevent heat stroke and other symptoms in active individuals.
A Harvard study monitors subway microbes to identify early warning systems for public health threats. The research found that surface type and human interaction significantly influence microbial community structure, with skin- and oral-associated microbes prevalent on poles and seats.
Scientists have identified good bacteria as vital to coral health, enabling corals to recover from bleaching caused by rising temperatures. The study highlights the importance of understanding bacterial communities on corals to ensure long-term survival.
The SpecID system combines detection and identification into a single step, offering faster answers and streamlined workflow for clinical microbiology laboratories. The $2.8M award supports the development of quality and manufacturing systems required for regulatory clearance, bridging the gap between manufacture and clinical trials.
Researchers have developed an artificial seawater medium that can successfully cultivate abundant marine microorganisms, many of which have not been genetically characterized before. This new tool may benefit genomics researchers, marine chemists and the microbial research community.
The Science Walden Pavillion at UNIST converts human waste into biodiesel and heat energy using a waterless toilet system and microbial energy production system. The project aims to establish an ecosystem that supports technology innovation and drives economic diversification.
Researchers at the University of Nottingham are using synthetic biology and microorganisms to ferment methane gas into valuable nutritional supplements. The project, called PUFA, has the potential to provide an alternative source of Omega 3 fatty acids that are both sustainable and economical.
Researchers discover microbes creating tubular microtunnels in basaltic volcanic glass on Earth, expanding our understanding of subsurface microbial activity. This finding also suggests that similar features may exist on Mars, potentially near the surface, which could aid future Mars missions.
A new proteomics method has been developed to measure the carbon uptake of specific marine bacterioplankton taxa, revealing metabolic patterns and taxonomic identification. The technique uses stable isotopic probing to analyze proteins from seawater samples, providing information on substrate incorporation and enzyme activity.
Rising river waters deliver a feast of carbon to hungry microbes, triggering increased activity that could naturally boost emissions. The study suggests a link between the mixing of surface water and groundwater, leading to a decline in dissolved organic carbon and an increase in inorganic carbon.
Scientists reveal how Arctic microbes speed up glacier melting through cryoconite formation, altering ice surface albedo and creating a self-sustaining cycle. This microbial process is driving the expansion of biologically productive regions on glaciers, contributing to sea level rise.
A new technique enables rapid and accurate measurement of bacteria levels in packaged food and medical samples without physical contact. The method uses tunable diode laser absorption spectroscopy and can provide real-time analysis, reducing the risk of food poisoning and improving blood quality.
Researchers developed a microbial electrochemical cell that harnesses tomato waste to generate electric current. The process also helps purify the tomato-contaminated solid waste and associated wastewater. With an expected scale-up, the electrical output could be increased by several orders of magnitude.
Researchers at Woods Hole Oceanographic Institution discover that phytoplankton, microscopic plant-like organisms, produce massive amounts of methanol in the ocean, rivaling or exceeding land-based production. This finding challenges previous thinking on oceanic methanol sources and has implications for biofuel applications.
A review of bioprospecting studies identifies biosurfactant-producing microorganisms and sustainable production methods to manufacture low-cost biosurfactants from agro-industrial waste. The study highlights the advantages of biosurfactants over chemical counterparts, including higher biodegradability and lower toxicity.
Research has isolated tyrosinase inhibitors from diverse chemical classes in both terrestrial and marine environments. Flavonoids, terpenes, and alkaloids have been found to exhibit potent tyrosinase inhibitory activities, with potential applications in treating skin disorders and neurodegeneration.
A study presented at the American Stroke Association's International Stroke Conference 2016 found that restoring gut bacteria to a youthful age was linked to improved stroke recovery in old mice. Researchers used fecal transplants to deliver a 'young' set of bacteria to mice with induced strokes, resulting in better recovery rates.
Researchers at UNSW Australia discovered a way to produce tenfold more methane gas from naturally occurring microbes, extending coal seam gas wells' lifespan and improving food waste use. The innovation uses synthetic dye forming needle-like crystals to boost methane-producing microbes' growth.
Researchers found that chronic alcohol consumption impairs the body's ability to keep microbes in check, leading to bacterial migration and increased risk of liver disease. Restoring natural gut antibiotics may help treat the disease.
In a groundbreaking discovery, scientists found phytoplankton populations double in size above natural oil seeps in the Gulf of Mexico. Turbulence from rising oil and gas bubbles brings up deep-water nutrients that phytoplankton need to grow.
Researchers at DOE/Pacific Northwest National Laboratory have developed a molecule that mimics natural vitamins in bacteria, allowing for easier tracking and measurement of nutrient use. The discovery provides insight into the inner workings of living microbes crucial to energy production and carbon cycles.
A team of researchers from McGill University failed to detect active microbial life in permafrost soil from the University Valley in Antarctica, a location thought to be similar to Martian permafrost. The study's findings suggest that even in the coldest and driest conditions on Earth, it may be difficult to find signs of life.
A study from the Oak Ridge National Laboratory-based BioEnergy Science Center finds unconventional bacteria could help boost cellulosic biofuel production efficiency. Researchers analyzed six microorganisms to solubilize switchgrass, a potential bioenergy feedstock.
Researchers at Purdue University and Tsinghua University propose a novel method to teleport the internal quantum state and center-of-mass motion state of a microorganism. This breakthrough has significant implications for potential future applications in quantum information and organism teleportation.
Researchers have successfully multiplied teeth in mice by splitting tooth germ cells and implanting them into the jaw. This discovery could lead to new treatments for people born with missing teeth or who lose teeth due to accidents or disease.
Researchers discovered a bacterium that can use direct uptake of electrons from an electrode to fuel its metabolic pathway. This finding suggests the existence of electro-ecosystems, where microorganisms sustain life by electrical current, not relying on inorganic substances or light.
A new study from Kansas State University reveals that gut bacteria play a pivotal role in the communication system of German cockroaches, facilitating aggregation and reproductive maturation. The research identified specific fecal volatile carboxylic acids that reflect the microorganism contents of a cockroach's gut.
Scientists at Vanderbilt University have made groundbreaking discoveries about the behavior of TrCel7a, a cellulase enzyme that breaks down cellulose. By studying the enzyme's movements and interactions with cellulose fibers, researchers found that it operates slowly but is self-propelling, powered by energy from cellulose bonds.
A new study reveals that cheating microbes, which rely on neighbors for enzyme production, slow down decomposition and increase microbial remains in the soil. This leads to a build-up of organic matter and specifically nitrogen in the soil.
Researchers identify a new type of bacteria, Nitrospira, capable of converting ammonia to nitrate through comammox process, revealing a long-sought organism in the nitrogen cycle. This discovery opens up new avenues for understanding the environment and wastewater treatment.
Researchers at University of California have successfully created a strain of mosquitoes capable of rapidly introducing malaria-blocking genes into its population, potentially eliminating the disease. The breakthrough uses a gene editing technique that allows for efficient creation of large populations of mosquitoes with this trait.
Scientists have developed a fast method to sequence irradiated anthrax spores, which can aid in tracking biocrimes. The new approach uses computer programming to reconstruct full DNA sequences from broken fragments.
A new study led by University of Georgia marine scientists found that oil dispersants can suppress natural oil-degrading microorganisms, promoting the growth of Colwellia and inhibiting Marinobacter. The presence of dispersants significantly altered microbial composition in Gulf deep water, hindering efficient oil biodegradation.
Researchers have discovered two new organisms that play an unknown role in greenhouse gas emissions and consumption, belonging to a previously unexplored group called Bathyarchaeota. The discovery expands our understanding of life on Earth and suggests we are missing other organisms involved in carbon cycling and methane production.
Researchers have elucidated the molecular structure of a plant sugar transporter called SWEET2, which plays a critical role in limiting the sugar supply to beneficial microbes while preventing pathogens from thriving. This discovery provides insights into how plants control carbon sequestration and energy homeostasis.
A new study from Duke University Medical Center found that using a combination of chemicals and UV light to clean patient rooms reduces the transmission of four major superbugs by 30 percent among overnight patients. This method was more effective than standard cleaning strategies, which often fail to eliminate germs on surfaces.
Scientists discovered microbes in Kabuno Bay that oxidize iron through a unique photosynthesis process, depositing large iron formations. This finding supports the theory that microorganisms played a key role in shaping Earth's chemistry and evolution of life.
Research suggests that above-water microbes contribute to the development of hydrogen-sulfide-rich caves through aerobic respiration, producing sulfuric acid. In contrast, underwater microbes only partially burn hydrogen sulfide, creating pure sulfur as a byproduct that is not corrosive to limestone.
Researchers have engineered a microbe called Clostridium thermocellum to produce up to 6 grams of isobutanol per liter, a significant improvement over previous results. This breakthrough could lead to more efficient biofuels production and overcome the challenges of recalcitrance in plant biomass.
Research reveals that humans and animals host highly specialized microbial communities, differing from earlier assumptions of generalist dominance. These findings have significant implications for the structure of biodiversity in microbial ecosystems.
A recent study found that endoscopes can harbor residual contamination and viable microbes even after thorough cleaning and disinfecting. The study tested 60 encounters with 15 colonoscopes and gastroscopes, detecting contamination on 92% of devices after bedside cleaning.
Researchers found that CF microbes thrive in saliva and mucus with limited oxygen, leading to severe symptoms. Hydrogen sulfide levels in sputum samples correlated with less severe disease.
Researchers are exploring how indoor home microbial environments change after whole-house weatherization projects, aiming to understand the impact on human health. The study will analyze ventilation-system design and its influence on exposure to airborne microorganisms.
The structure of Oskar's two domains has been solved, enabling researchers to understand how the protein functions in developing reproductive cells. The OSK domain binds to RNA, while the LOTUS domain interacts with an enzyme called Vasa helicase, which is crucial for germ plasm formation.
A newly discovered human protein called intelectin has the ability to selectively identify and distinguish between human cells and those of disease-causing microbes. This discovery could lead to the development of new antibiotics and strategies to combat infectious diseases.
Researchers at Rice University are developing gas-releasing microbial sensors to study microbe-driven processes that regulate Earth's environment. The sensors will allow researchers to test hypotheses about how microbes control environmental processes and build model ecosystems in the lab.
Research suggests that excessive vitamin A supplementation can shut down the body's trained immunity, rendering it less effective at fighting off past infections. This impaired immune response is due to vitamin A's inhibitory effects on histone methylation modifications in human monocytes.
A new study found that daily bathing of pediatric patients with antiseptic cuts can reduce central line-associated bloodstream infections (CLABSIs) by 59 percent. The practice also saved approximately $300,000 in one hospital over a six-month period.
Researchers found that type II interferon signals cause the release of CXCL10, an attractant for cells promoting inflammation. This study provides a new impetus for treating colitis with antibodies or direct administration of type III interferons.
A new study reveals a complex marine phosphorus cycle with a hidden role for microbial communities. Microbes transform phosphorus into phosphonates at varying rates depending on depth, shedding light on the ocean's ability to absorb atmospheric carbon dioxide.
A study by Woods Hole Oceanographic Institution and Columbia University reveals a more complex marine phosphorus cycle than previously thought, with microbes playing a key role in using and breaking down forms of the essential element. In the process, about five percent of phosphate is converted to phosphonates in shallow water samples.