Articles tagged with Microorganisms
Researchers discovered how naturally occurring microbes like Rhodopseudomonas palustris use electrons from conductive substances to fix carbon dioxide. The process is connected to the microbe's ability to store and discharge electrons, similar to a rechargeable battery.
A new study from Caltech reveals that dietary fiber plays a role in clumping gut particles, which may affect drug absorption and microbial populations. Longer fibers promote physical aggregation of particles, providing a potential mechanism for controlling particle behavior in the gut.
Researchers use X-ray nanotomography to study the 3D structure of coccolithophore calcite shells, revealing correlations between shell mass and organic template size. The findings provide new insights into the role of these tiny microorganisms in the global carbon cycle.
A research team has developed a novel method for fabricating functional bacterial cellulose through in situ fermentation of Komagataeibacter sucrofermentans. The new approach provides environmentally friendly conditions, lower production costs, and controlled distribution of functional moieties.
A recent study by Fernando Tornos and colleagues reveals that microbes play a key role in the precipitation of metals in shallow environments. The researchers found evidence of anaerobic microbes controlling the formation of copper sulfides in the Las Cruces deposit, a high-grade copper ore site.
A study by Woods Hole Oceanographic Institution scientists found that deep-sea microbes are unable to fully utilize organic carbon due to its scarcity and physical isolation. The research suggests that the unique environment of deep sediments may limit life on Earth and provide insights into the possibility of extraterrestrial microbia...
Researchers at Washington University in St. Louis have developed a novel membrane technology that purifies water while preventing biofouling using bacterial nanocellulose and reduced graphene oxide. The new membrane can filter water twice as fast as commercially available ultrafiltration membranes and is environmentally friendly.
Scientists create efficient, affordable pathway for terpene synthesis using E. coli bacteria, enabling mass production of these molecules for various industries.
Researchers found that subglacial biological activity impacts atmosphere far more than previously thought. Methane was continuously exported from beneath the ice, with at least six tons transported to a measuring site from the Greenland Ice Sheet alone.
A new review in Frontiers in Pediatrics suggests that microbial transglutaminase, a common food additive, could be both the cause and trigger of autoimmune attacks leading to celiac disease. The enzyme modifies gluten fragments, which are then recognized by the immune system as foreign, triggering an immune response.
Scientists have discovered that humpback whales retain tooth germs until late in gestation, a surprising finding that sheds new light on the evolutionary transformation of these marine mammals. This discovery was made possible by advanced CT scanning technology and provides valuable insights into the development of whale anatomy.
Yale researchers used Google's algorithm to understand how information is transferred between enzyme sites, identifying crucial amino acids. This breakthrough could lead to new antibiotics, pesticides, and herbicides, combining data science with molecular dynamics simulations and NMR spectroscopy.
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.
Researchers at SRNL have developed an electrochemical technique to monitor microbial growth and energy levels, improving cost-effectiveness and automating bioprocesses. This technology uses electrodes to detect changes in electrical current, providing early warnings for optimal conditions.
A recent study of amber-preserved blood-sucking insects and ticks reveals that malaria-causing microorganisms date back at least 100 million years, with evidence of pathogens carried by ancient vectors found in fossilized amber from around the world.
A study of 128 mothers found that children whose parents sucked on their pacifiers had lower IgE levels, indicating a reduced risk of allergies. The effect was most pronounced between 10-18 months of age and may be due to the transfer of beneficial microbes.
A recent study published in Scientific Reports found that heavy rainfall in the Atacama Desert wiped out most microbe species, contradicting expectations of floral blooms. The research has implications for our understanding of microbial life on Mars and suggests that sudden water exposure can be lethal to microorganisms.
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.
Researchers in Belgium have identified an additional inoculation source for lambic beer production, the wooden casks or foeders. The microbial compositions of these surfaces differed statistically based on barrel cleaning procedures and type, reflecting different characteristics of lambic barrels.
A newly discovered toxin, Tre1, produced by bacteria, targets vital proteins in host cells, causing disease-like symptoms. The discovery provides insights into bacterial biodefense strategies and the evolution of toxins.
A recent study published in Astrobiology found that microbes and organic compounds can survive for a year in space, suggesting interplanetary migration is possible. The Tanpopo mission exposed Deinococcus aetherius to space conditions, measuring key factors like temperature and radiation.
Researchers at New Jersey Institute of Technology have identified a new bacterium capable of degrading both 1,4-Dioxane and 1,1-DCE simultaneously. The microbe, Azoarcus sp. DD4 (DD4), has shown impressive efficiency in reducing levels of these toxic chemicals in contaminated groundwater samples.
A new study estimates that up to a quarter of the microbes on Earth could be uncultured and dominate nearly all environments except the human body. The research, led by Karen Lloyd, used computational power to analyze 1.5 million DNA sequences and found that as many as 30 phyla of unseen microbes exist.
Researchers have discovered that spherical particles submerged in viscous liquids travel along flexible surfaces by 'catching a wave', offering new insights into biological processes and a gentler method for measuring cell membrane elasticity. This approach also enables easy sorting of particles by size, similar to an automatic coin-so...
A new NSF-funded project will investigate how climate change impacts plant growth and health in relation to soil microbes. The study aims to understand the effects of changing moisture levels on plant survival and how plants influence microbial communities.
The study found that microbes mediate the microbial carbon pump (MCP), which takes up labile organic carbon and removes carbon dioxide from the atmosphere. The MCP's importance may increase under global warming due to changes in planktonic organisms favorable for MCP.
Scientists at University of Copenhagen find thawing permafrost releases high diversity of VOCs, harming human health and forests, but also producing clouds that may cool climate.
A study published in PLOS ONE found intricate tunnel systems inside garnet crystals from Thailand, suggesting the presence of microorganisms. The tunnels were formed by endolithic microbes, providing a rare source of iron for these organisms in nutrient-poor sediments.
Researchers at Binghamton University have created a biodegradable, paper-based battery that is more efficient and easy to produce than previous designs. The hybrid paper battery uses a combination of paper and engineered polymers to give it biodegradable properties.
A recent study suggests that rising temperatures are causing soil microbes to convert more carbon into carbon dioxide, entering the atmosphere at an increasing rate. This phenomenon is outpacing plant photosynthesis and has significant implications for the planet's carbon cycle.
A team of UCLA engineers and scientists discovered a new and potentially highly effective type of weed killer using a genomics-driven approach. The new herbicide inhibits an enzyme necessary for plant survival, providing a promising alternative to current herbicides.
Researchers found that microorganisms within Siberian plants have medicinal and antimicrobial properties, potentially leading to the development of new drugs for serious diseases. The study's authors believe these properties can also be used to stimulate plant growth or protect them from diseases.
Researchers at Penn State found that low-tech training methods, such as customized flipcharts, can improve food safety knowledge and behavior among workers in small-scale dairy farms. The training led to improved sanitation and personal hygiene practices, reducing the presence of microorganisms like E. coli.
Scientists found that microbial proteins could reduce cropland usage by 6% and nitrogen losses by 8% globally. Replacing up to 19% of animal feed with microbial proteins could lower greenhouse gas emissions by 7% by 2050.
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.
Research shows that kitchen towels can harbor pathogens, including coliforms, Enterococcus spp., and S. aureus, which can cause food poisoning. Factors such as family composition, dietary habits, and towel usage patterns impact bacterial growth on towels.
ARS researchers found 34 E. coli isolates with resistance to antimicrobial drugs in the Upper Oconee Watershed. The presence of pathogenic strains like ST131 poses a risk of antimicrobial resistance in surface waters, but scientists assure it's not a threat to public health due to proper disinfection methods.
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.