Articles tagged with Microorganisms
A Northwestern University study reveals how Pseudomonas putida, a common soil bacterium, rewires its metabolism to thrive on complex carbons like lignin. The findings provide insights into the biomanufacturing industry's quest to harness bacteria for biofuel production and chemical synthesis.
Researchers studied a microscopic alliance between algae and cyanobacteria to understand how bacteria lose genes and adapt to increasing host dependence. The study found that the level of integration between the symbionts affects genome size, gene content, and metabolic pathways.
A clinical trial led by Tohoku University has found that lubiprostone can prevent the decline of renal function in patients with chronic kidney disease. The study evaluated the effects of lubiprostone on kidney function and found that it improves mitochondrial function, which exerts a renoprotective effect.
Researchers have discovered that gut bacteria can recognize diverse chemical signals, including those from nutrients, DNA, and other metabolites. This allows them to detect and respond to nutritional values, suggesting that finding sources of nutrients is a primary function of motility in these bacteria.
Researchers at Kyushu University discovered that combining yogurt intake with hot spring bathing enhances gut microbiota diversity and improves defecation status, suggesting a potential application for preventive medicine. The study found significant improvements in gut health outcomes, particularly among healthy adults.
A new study found that probiotics significantly reduced the presence of antibiotic-resistant bacteria and multidrug-resistant bacteria in the infant gut, while also promoting a more typical gut microbiome. This breakthrough has major implications for the global AMR crisis, particularly for preterm infants.
Researchers found that a compound produced by Lactobacillus bacteria can reverse liver and gut damage caused by aflatoxin exposure. The molecule, 10-hydroxystearic acid, activated PPARα signaling to repair liver tissue and support gut health.
A new study reveals how Lactococcus lactis regulates the production of a key precursor in vitamin K2 biosynthesis. By tuning substrate supply and genetic architecture, researchers can push production above natural ceilings, opening the door to engineering bacteria for enhanced vitamin K2 production.
Researchers at Rice University have engineered E. coli to act as living multiplexed sensors, detecting multiple environmental toxins simultaneously by converting biological responses into readable electrical signals. The system can detect combined hazards more efficiently and accurately, with potential applications in biocomputing.
A groundbreaking single-day study on Crete's soil microbiome has provided new insights into the environmental factors influencing microbial diversity. The researchers identified several key drivers, including soil moisture and nutrient availability, which can inform strategies for preserving biodiversity.
A new Korea University study provides the first species-specific health risk estimates for indoor airborne microbes based on animal toxicity data. The research determines that exposure to fungi may be unsafe even at levels below current guidelines, while bacteria are within existing regulatory limits.
Researchers found that changes in pH levels result in three distinct metabolic states of the community, driven by indigenous biomass activity and nutrient availability. The simple model predicts the activity with just two parameters, offering insights into how soil microbiomes adapt to climate change.
Researchers create map of T cell responses to Chikungunya virus, shedding light on chronic disease triggers. They found that people with chronic disease have T cells targeting the same viral epitopes as those who cleared the virus.
Researchers investigated the link between HIV treatment regimens and osteoarthritis development, revealing that certain medications like lopinavir can exacerbate OA in the knee. The study's findings have important implications for people living with HIV, highlighting the need to carefully consider treatment options.
Researchers discovered a previously unappreciated mechanism by which CMV infects cells lining blood vessels and contributes to vascular disease. The finding highlights a new potential avenue for developing antiviral drugs and suggests other herpes viruses could use similar molecular structures to evade immune detection.
A new study reveals that women with polycystic ovary syndrome (PCOS) have a sharp reduction in the beneficial gut bacterium Parabacteroides merdae, alongside elevated levels of branched-chain amino acids. These changes may impair endometrial health and reproductive complications in women with PCOS.
A global effort to preserve healthy microbes is now entering an active growth phase, with a team of scientists laying out an ethical framework to ensure equitable collaboration and depositor sovereignty. The Microbiota Vault Initiative aims to safeguard microbial diversity for future generations.
A team of researchers at Binghamton University has developed a dissolvable battery using probiotics, which can provide a safe and sustainable energy source for transient applications. The battery utilizes electricity-producing bacteria that are commonly found in the human digestive system and are considered biocompatible.
A study of twins reveals that certain bacteria in the small intestine may trigger MS. Researchers identified two specific bacteria, Lachnoclostridium sp and Eisenbergiella tayi, which are associated with the disease. The findings suggest a new potential therapeutic target for MS treatment.
Researchers have discovered that a bacterial probiotic helps slow the spread of stony coral tissue loss disease (SCTLD) in already infected wild corals in Florida. Applying the probiotic treatment across entire coral colonies helped prevent tissue loss, providing a more lasting protection than traditional antibiotics.
A new study suggests that certain microbiome compositions in babies born vaginally, specifically with a higher amount of pioneer bacteria B. longum, are less likely to be hospitalised for viral lower respiratory tract infections (vLRTI) in the first two years of life.
Scientists discovered that tiny anoxic pockets on sand grains can carry out denitrification, a process removing human-derived nitrogen from coastal sands. These microenvironments, created by microbes consuming oxygen, account for up to one-third of total nitrogen loss in silicate shelf sands.
Researchers found cotton leafroll dwarf virus (CLRDV) infecting plants in southern US states as early as 2006, contradicting the assumption that it emerged more recently. The study used modern data-mining tools to uncover hidden threats and highlights the importance of maintaining accessible databases for disease surveillance.
A recent study found that individuals with a specific type of gut bacteria (Firmicutes) had higher bone mineral density and better metabolic health. The researchers suggest that promoting the growth of butyrate-producing bacteria could be an effective strategy for maintaining bone mass and preventing osteoporosis.
A research team is integrating microorganisms into façade coatings to create 'living tattoos' on building walls. These organisms will protect surfaces from weathering, store CO2, and filter pollutants from the air.
Researchers have discovered that hydrogen boride nanosheets can inactivate a wide range of pathogens, including viruses, bacteria, and fungi, without the need for light activation. The nanosheets' ability to denature microbial proteins through strong physicochemical interactions confirms their effectiveness in combating various microbi...
A new study reveals that Aspergillus fumigatus infection can unbalance the lungs by creating a microaerophilic niche for bacteria like Ligilactobacillus murinus. This interaction may influence disease progression and enable new treatment approaches, highlighting the importance of understanding the gut-lung axis.
Emerging research links microbial dysbiosis to aging, as dysbiosis accelerates DNA damage and telomere shortening. Therapeutic strategies targeting the microbiome may promote healthy longevity.
Researchers at UCSF found that certain gut bacteria can reduce chemotherapy side effects by clearing excess drugs and producing the protective vitamin K2. Patients with more beneficial bacteria had fewer side effects, suggesting that probiotics may help mitigate chemotherapy's impact.
University of Missouri scientists have developed an ice lithography technique that etches small patterns onto fragile biological surfaces without damaging them. The method uses frozen ethanol to protect the surface and apply precise patterns.
Researchers have found new organisms that can capture carbon dioxide and clean pollutants from the environment. By exploring extremophiles in homes, scientists can gain insights into their unique characteristics and develop sustainable solutions.
A new study from researchers at the Helmholtz Institute for Functional Marine Biodiversity offers fresh insights into why many microorganisms fail to grow in the lab. The study suggests that the survival of microbes depends on a hidden web of relationships between species, which can collapse with small structural changes.
A new study reveals that protein sources in an animal's diet significantly alter the gut microbiome, with some having extreme effects. The researchers found that diets high in brown rice, yeast, or egg whites led to changes in amino acid metabolism and complex sugar degradation.
Scientists found that anaerobic microbes in wetlands can remove up to 70% of methane in oxygen-deprived soils, but their ability to do so is threatened by rising temperatures. When scientists simulated a hotter future, methane emissions spiked under hotter temperatures alone.
Imperial scientists launched a miniature laboratory into Earth orbit to engineer microbes that can produce food, pharmaceuticals, fuel, and bioplastics in microgravity. This partnership aims to create environmentally friendly and affordable non-animal foods, reducing the cost of space travel.
Researchers evaluated 11 commercially available yeasts to identify their strengths based on chemical analysis and sensory panel opinions. Maltose-negative yeasts offer different benefits, including the ability to produce style-specific, high-quality nonalcoholic beers with desired flavor profiles.
A study found that microorganisms using the reductive tricarboxylic acid cycle dominate in shallow-water hydrothermal systems. This energy-efficient process enables them to transfer carbon into organic molecules, allowing them to survive in harsh conditions.
Researchers found that repeated antibiotic use before age 2 is associated with a higher risk for asthma, food allergies, and hay fever later in life. The study suggests that judicious use of antibiotics in children under 2 may impact long-term health outcomes.
A new method using UV light and machine learning can detect microbial contamination in cell cultures, providing a quicker yes/no assessment within 30 minutes. This technology aims to reduce the time spent on sterility tests, making it crucial for life-saving treatments.
A new study from the University of Gothenburg found that titanium micro-particles are consistently present at all examined implants, even those without signs of inflammation. The researchers identified 14 genes that may be affected by these particles, but further research is needed to understand their impact on tissue health.
A team of researchers found that a gene regulatory network in gut microbes plays an auxiliary role in bacterial fitness and adaptability. By maintaining basal levels of genetic activity, the network allows bacteria to adapt to their constantly changing environment.
Researchers found a new phylum of microbes, CSP1-3, thriving in deep Critical Zone soils, cleaning up impurities and regulating essential processes. The microbes were active, not dormant, and dominated their environments, making up 50% or more of the community.
A recent study suggests that Saturn's moon Titan could support simple, microscopic life forms due to its abundant organic content. However, the amount of biomass that can exist in this environment is likely to be extremely limited, possibly only a few pounds.
Researchers used video microscopy to explore extreme field sites on Earth, finding signs of microbial life in hot deserts, Arctic ice, and alkaline springs. The study highlights digital holographic microscopy as a tool for detecting life in space samples.
Scientists successfully fermented miso on the International Space Station, discovering differences in bacterial communities and flavor profiles compared to Earth-made miso. The study's findings suggest that food fermentation can thrive in space, opening up new possibilities for astronaut well-being and performance.
A research team has identified a previously unknown defense mechanism in Pseudomonas syringae, enabling the bacterium to produce chemical compounds that attract amoebae, which are then killed by toxic substances produced by the bacteria. This 'chemical radar' system also helps the bacteria infect plants in the presence of predators.
A new study found that microbes in the Sargasso Sea take turns using phosphorus, a critical nutrient for growth, to avoid competition between species. This temporal resource partitioning strategy supports coexistence and efficient nutrient use in this oligotrophic region.
The study analyzed microbial communities on the China Space Station, revealing common characteristics of environmental microorganisms during long-term human residence. The findings provide a baseline for microbial safety measures and advance research consensus on microbial adaptation capabilities in space.
A study reveals that most Acinetobacter baumannii infections in a Malaysian hospital belonged to the Global Clone 2 lineage, which is also dominant worldwide. The majority of bacterial samples were resistant to multiple antibiotics, including carbapenems.
Researchers developed new AI models, InstaNovo and InstaNovo+, to vastly improve accuracy and discovery in protein science. These models excel in tasks such as de novo peptide sequencing, identifying microorganisms, and discovering novel peptides, with implications for personalized medicine, cancer immunology, and beyond.
Researchers at KAIST have successfully developed an eco-friendly, bio-based plastic that combines the advantages of PET and nylon. The new material was produced through microbial fermentation and exhibited characteristics similar to high-density polyethylene, making it strong and durable enough for industrial use.
Researchers found evidence of biological material in desert rocks, suggesting the presence of microorganisms that can survive without light. The discovery has sparked interest in the global carbon cycle and its potential impact on climate change.
Ancient bacteria can respire carbon dioxide and hydrogen into acetic acid to produce ATP. A new mechanism involving sodium ions is activated when acetic acid is produced, driving a molecular turbine that generates energy.
A new electrocatalytic sterilization method has been introduced using copper oxide nanowires to produce highly alkaline microenvironments that efficiently kill bacteria. Most conventional disinfection methods have disadvantages such as harmful by-products and high energy consumption.
Researchers identify methyl halides as a potential sign of microbial life on Hycean planets with thick hydrogen atmospheres. The gas could accumulate in exoplanet atmospheres and be detectable from light-years away, offering an optimal strategy for the search for extraterrestrial life.
Researchers at the University of Tokyo have developed a new optical photothermal infrared spectroscopy method to detect microbial cells in ancient rocks, analogous to those found on Mars. The study strengthens Mars sample return protocols by providing a reliable way to assess the presence or absence of life in samples.
A Montana State University research team, led by graduate student Lisa Keller, has published a groundbreaking paper on how certain bacteria thrive in extreme environments. The discovery challenges current understanding of microbial survival and sheds light on ancient lifeforms' adaptation to Earth's progressive oxygenation.
Researchers found that an endophytic fungus boosts poplars' natural defenses and those induced by insect damage, altering the plant's chemical defense profile and supporting it with a self-produced defense substance. The fungus also influences interactions between insect populations living on trees.
Dr. Jonathan Cox warns of the dangers of raw sewage in UK coastal waters, highlighting the risk of gastrointestinal, respiratory, and skin infections to vulnerable groups. He advocates for checking water quality before visiting beaches and praises efforts like the Safer Seas and Rivers Service to combat pollution.
Professor Uauy brings extensive experience in wheat genetic research and genomics to lead the institute's ambition to deliver Healthy Plants, Healthy People, Healthy Planet. His vision for plant science will ensure global agricultural challenges are addressed through interdisciplinary science.