Articles tagged with Microorganisms
Researchers have developed a novel nano-photosynthetic system using blue-green algae and nanoparticles to treat stroke patients. The approach reduces neuronal damage and improves motor function in mice with blocked cerebral arteries, showing promise for human clinical trials.
A novel screening strategy using cultured plant cells can identify microorganisms that stimulate plant immune mechanisms without harming plants. Eight bacterial strains were found to boost cryptogein-induced ROS production, inducing whole-plant resistance to bacterial pathogens.
A team of researchers aims to increase microorganism's ability to convert CO2 into methane for efficient production of sustainable fuel. The ReMeSh project will examine bio-electrochemical systems and accelerate electron transfer to microbes.
A team of scientists discovered that microorganisms in the subseafloor are active and adaptable, able to survive on low-carbon conditions. They use carbon dioxide as a building block without converting it into organic carbon first.
Researchers developed natural lactic acid bacterium that secretes antimicrobial peptide nisin, extending food shelf life and reducing waste. Nisin is approved for use in various foods to prevent spoilage and foodborne illness.
Researchers from Northwestern University develop technology allowing microbes to produce drugs with self-regulating feedback control systems, improving reaction conditions and product yield. The innovation has vast implications for producing other drugs and products, potentially making therapeutics more accessible.
Researchers discovered that deep-sea bacteria dissolve carbon-containing rocks, releasing excess carbon into the ocean and atmosphere. This process allows scientists to better estimate Earth's carbon budget, a key driver of global warming.
Researchers have found that pathogenic soil microbes impede seedling emergence and subsequent growth in the centre of spinifex rings. The study suggests that older parts of the plant succumb to a build-up of these microbes, while new seedlings establish at the outside edge of the rings.
A research team has discovered organic carbon compounds in fluid inclusions from the Dresser Mine in Australia, dating back 3.5 billion years. These findings suggest that primordial microbes may have had the necessary conditions to exist on Earth at this time.
Researchers explore using microbes to degrade per- and polyfluoroalkyl substances (PFAS), persistent environmental pollutants. A study suggests that certain microbe strains can defluorinate PFAS, but further research is needed to develop a feasible method for cleaning up the compounds.
A study published in Infection Control & Hospital Epidemiology found that high speed air hand dryers spread more contamination than paper towels, with levels of surface contamination 10 times higher after air dryer use. Microbes can also transfer to clothing and other surfaces via contaminated hands.
Dr. Nathalie Cabrol proposes that modern life on Mars could be more widespread and accessible than previously believed, and that understanding patterns resulting from extreme environmental interactions is key to finding life. She suggests taking the approach of Mars as a biosphere to find signs of microbial habitability.
Scientists have identified three novel bacterial strains on the International Space Station (ISS) that could aid in growing crops in space. The strains, including a previously undiscovered species, possess genetic determinants for promoting plant growth under stressful conditions.
A study published by Lindsey Slaughter found that adding manure to pastures increases soil organic carbon and microbial activity. The results took almost a year and a half to manifest, highlighting the challenges of implementing this method in dry climates.
Researchers identified pesticide residues at 100 Swiss farms, including all organic fields, with beneficial microbes' abundance negatively impacted by their occurrence. Organic farming strategies avoid synthetic substances, yet pesticides can persist in the soil.
A new study found that while hand washing is a common practice, other infection control behaviors such as social distancing and wearing facemasks at home are less common. Researchers emphasize the importance of embedding these behaviors into daily life to reduce virus spread now and in the future.
Researchers at NASA and German Aerospace Center sent microbes to Earth's stratosphere, replicating Martian conditions, to test their endurance. The study found that some microorganisms, such as spores from the black mold fungus, could survive high UV radiation and desiccation during space travel.
A research team has detected organic molecules and gases in 3.5 billion-year-old rocks, dating back to a time when early life developed on Earth. The findings suggest that these ancient rocks may have played a crucial role in the emergence of life on our planet.
Researchers have found that subglacial lakes in Antarctica may be more hospitable to life than thought, thanks to geothermal heat. This heat can stimulate convection currents, allowing for dynamic flow and potentially supporting microbial life. The discovery opens up new avenues for exploring similar environments on icy moons and planets.
Scientists conducted experiments showing that fossilized spheres and filaments made of organic carbon can form abiotically and are more resilient to preservation. This discovery may cast doubt on the record of early life, highlighting the need for better methods to analyze potential microfossils.
Researchers successfully tracked and sampled a moving microbial community using a trio of self-driving robots in an open-ocean eddy. The study reveals key insights into the behavior of phytoplankton biomass in these dynamic environments.
Researchers explore co-culture strategies to activate silent gene clusters in microorganisms, leading to the discovery of novel bioactive natural products with diverse and novel structures. These compounds exhibit various bioactivities, including extensive antimicrobial activities and potential cytotoxic activities.
Bioengineers at Cornell University have created theoretical solutions for efficiently absorbing and storing large-scale renewable energy from the sun while sequestering atmospheric carbon dioxide. The developed microbes can store energy and absorb CO2, potentially creating low-carbon fuel with net-zero emissions.
Researchers at NUS have developed a new way to treat sewage using a novel strain of bacteria called Thauera sp. strain SND5. This new method significantly reduces operational costs and greenhouse gas emission compared to traditional methods.
A team of researchers from the University of Rhode Island discovered single-celled microorganisms living in sediments at 120 degrees Celsius, where they didn't expect to find them. The study found evidence of metabolism and temperature regimes that make these environments habitable.
A new microorganism has been developed to produce biodiesel precursors from lignocellulosic biomass, such as discarded agricultural by-products and cardboard boxes. The microorganism achieves twice the product yield of its predecessors, solving a limitation in biofuel production.
A team of scientists has built tiny droplet-based microbial factories that produce hydrogen instead of oxygen when exposed to daylight in air. This discovery could provide an important step forward towards photobiological green energy development under natural aerobic conditions.
Researchers at the University of Córdoba have developed a biocide additive that can be incorporated into traditional materials used in cultural heritage restoration. The new material, featuring carbendazim-clay complexes, shows improved antimicrobial effectiveness and long-lasting properties compared to existing solutions.
Researchers from NC State and Cornell are developing a self-sustaining system that utilizes microplastics to capture and break down more microplastics. The system involves creating microcleaning particles that stick to microplastics, which are then broken down by microorganisms, producing chemicals with commercial value.
The four-year study aims to determine how environmental changes modify nutrient pollution in the Tar-Pamlico River Basin, examining local policies' influence on water quality. The research team will collect soil samples to measure the effect of increasing saltwater concentrations on microbial processing of nitrogen.
The deep-sea food web is significantly disrupted by deep-seabed mining, especially the microbial part of the carbon cycle. Microbes are found to be more than one-third less active in cycling carbon.
Researchers found evidence of arsenic-based photosynthesis in deep time, providing insight into early life's metabolic processes. The discovery of an active microbial mat in the Atacama Desert suggests that life may have used arsenic instead of oxygen for energy in ancient times.
Astronomers have discovered phosphine in the clouds of Venus, leading to speculation about the presence of microbial life. Calculations suggest that terrestrial organisms would need to operate at 10% of their maximum productivity to produce the observed quantity of phosphine.
Researchers uncover the production of nitric oxide by methane-eating microbes when they co-metabolize ammonia, a process previously thought to be toxic. This finding has significant implications for understanding the survival and growth of methanotrophs in environments with increasing fertilizer input.
Researchers at NYU Abu Dhabi have identified 61 genetic targets that can manipulate the biofouling activities of phytoplankton, paving the way for new eco-friendly antifouling methods. The study presents key insight into molecular signaling pathways and protein receptors involved in biofouling.
Researchers have developed a novel approach for converting lignocellulose biomass into valuable chemicals by combining multiple microorganisms. This modular system, known as the lactate platform, enables the production of diverse chemicals, including butyric acid and lactic acid, with high efficiency.
Researchers found that thick aggregates of bacteria Deinococcus can provide sufficient protection for survival during several years in space. The study suggests that these aggregates could potentially survive travel between Earth and Mars, supporting the theory of panspermia.
A new study found that robotic support pets for older adults and people with dementia acquire bacteria over time, posing a risk of illness. However, a simple cleaning procedure involving anti-bacterial products and wipes can effectively reduce microbial loads to safe levels.
Plant researchers have identified the calcium channel responsible for stomatal closing, a crucial defense mechanism against pathogens. This discovery has the potential to engineer pathogen-resistant crops by allowing plants to 'close their gates' when threatened.
A team of scientists created a computational model of proteins responsible for transforming mercury to toxic methylmercury, shedding light on how this reaction occurs and its environmental impact. The models suggest that conserved cysteine amino acids in HgcB are involved in shuttling mercury to HgcA during the reaction.
The study found that microorganisms with different swimming styles lose their flocking behavior when mixed, potentially reducing the risk of being eaten by aquatic predators. Researchers believe this may be an advantage in symbiotic ecosystems where bacteria and algae live together.
Chinese scientists introduce FlowRACS, a flow-mode Raman-activated cell sorter, to support high-throughput discovery of enzymes and their cell factories at the precision of just one microbial cell. The instrument can screen yeast for its TAG content and profile in real-time.
A new study by Queen Mary University of London reveals that microorganisms in deep-sea sediments can survive using far less energy than previously known to support life. This finding challenges our understanding of the limits of life on Earth and has implications for searching for life elsewhere.
A new study reveals that microbes in the seabed can survive on extremely low levels of energy, with some using methane and sulphate as alternative sources. This discovery challenges our understanding of life's limits and has significant implications for Earth's carbon and nutrient cycles.
The study's three-dimensional reconstructions of Namapoikia fossils suggest that they were constructed by microbes, not animals. The results indicate a microbial construction, contradicting the long-held idea of calcifying sponge evolution.
Scientists revive ancient deep-sea microbes from 100 million-year-old sediment, showing life can persist in nutrient-limited environments. The findings suggest that microorganisms can survive for geological time scales and even multiply under the right conditions.
Researchers have discovered an active methane seep in Antarctica, which provides new insights into the methane cycle and its role in global warming. The study reveals that microbes around the seep are fundamentally different from those found elsewhere in the world's oceans, allowing scientists to better understand how methane cycles work.
Research at Umea University reveals that plant roots can cause the emission of 40 billion tonnes of carbon from permafrost by 2100 through the priming effect. This increase is significant enough to account for almost a quarter of the remaining 'carbon budget' for limiting global warming.
Researchers at Caltech have found bacteria that use manganese as their primary source of energy, converting carbon dioxide into biomass through chemosynthesis. This discovery sheds light on the geochemistry of groundwater and has implications for understanding manganese nodules on the seafloor.
Researchers found that microbes inside hydrocarbon seeps have less efficient, fast-growing lifestyles while those outside have slower but more efficient lives. This difference in lifestyle could mirror how microbes behave higher in the water column.
Researchers have successfully investigated the basic mechanisms of molecular factories in bacteria, revealing insights into the production of complex structures like polyketides. This discovery inspires targeted manipulation of biochemical processes, leading to potential improvements in antibiotics and other drugs.
Researchers from the University of Tsukuba found that flame sterilization introduces carbon dioxide into shake flasks, significantly affecting cell growth. Excess CO2 concentrations increased by up to 70% in certain microbes, while others showed minimal impact.
Research on crop residue management found that no-till and prescribed fire can affect nutrient availability and microbial activity in the soil. While prescribed fire showed some short-term benefits, its long-term influence is still unknown.
Minor ginsenosides have diverse pharmacological activities, including anti-cancer, anti-diabetic, neuroprotective, immunomodulator, and anti-inflammatory effects. The utilization of microorganisms and their enzymes for biotransformation and biosynthesis are considered highly specific, safe, and environmentally friendly production methods.
Researchers have engineered a strain of bacteria called Clostridium thermocellum to degrade PET more efficiently than current industry bio-methods. The heat-friendly microbes can break down PET and plant-based fibers in hot, oxygen-free environments, offering a promising solution for plastic waste management.
A UMass Amherst team is studying the microbial safety risks of processing leafy greens in washing machines, aiming to develop guidelines for safe use. The researchers are examining contamination risk factors, sanitation options, and best practices for farmers.
A new study reveals that cicada wings are coated in a stew of hydrocarbons, fatty acids, and oxygen-containing molecules, which contribute to their ability to repel water and kill microbes. The ratio of surface chemicals differs between two cicada species, and altering the surface chemicals changes the nanopillar structure.
A NASA-built instrument uses shearing force to grow E. coli bacteria, demonstrating a more suitable method for space travel than existing alternatives. The research opens a new path to bio-manufacturing drugs during long-term space flights.
Researchers have created a material that supports the growth of exoelectrogenic bacteria while efficiently conducting electricity in a controlled manner. By incorporating DNA strands into a nanocomposite scaffold, they can tailor the conductivity and properties of the material by varying the size and sequence of the DNA fragments.
Scientists have developed a catalyst that converts nitrate into nitrite without high temperatures or acidity, addressing water pollution concerns. The catalyst's mechanism mimics natural enzymes, offering a promising solution for detoxifying nitrate in mild environments.