Articles tagged with Bacterial Growth
Research reveals phages infecting SAR11 bacteria, causing massive cell death and creation of 'zombie' cells. These cells, lacking ribosomes, are thought to be recycled for new phage DNA production, highlighting the importance of microbial interactions in the ocean.
A study published in Science of The Total Environment found that Legionella pneumophila bacteria can withstand thermal stress and remain viable but non-culturable. This highlights the limitations of current detection methods and emphasizes the need to consider this subpopulation in assessments.
Researchers discovered that two species of marine bacteria work together to produce vitamin B12, essential for metabolism and survival of many marine organisms. The bacteria release building blocks into the water, which are then combined to form the vitamin through a complex process involving viral infection.
Researchers at the University of Toronto have found a family of natural compounds that stall the unique metabolic process used by parasites to survive in the human gut. The discovery offers potential as new and more effective treatments for parasitic worm infections, which cause debilitating symptoms and developmental defects.
Researchers identify critical genes and transport systems in E. coli that enable rapid growth despite sterile urine environment. ABC transporters appear crucial for infection, with inhibitors potentially slowing bacterial growth and complementing antibiotic efforts.
Researchers at Kobe University have discovered a new method to inhibit streptococcal infections by using aggregates of the non-toxic molecule Mn007. The study found that aggregates of Mn007 significantly reduce bacterial growth, suggesting potential as an effective treatment for toxic shock syndrome.
Researchers found that vitamin D encourages the growth of a type of gut bacteria in mice which improves immunity to cancer. Mice given a diet rich in vitamin D had better immune resistance to experimentally transplanted cancers and improved responses to immunotherapy treatment.
A study by North Carolina State University found that rates of Salmonella in fecal and environmental samples were more prevalent on larger commercial farms than on smaller backyard farms. The researchers also discovered multidrug resistance in Salmonella samples from both types of production systems.
Bacteria divide by adding a specific number of molecules rather than reaching a predetermined size, according to new mathematical modeling published in Physical Review Letters. This approach, known as the adder strategy, is more precise and less sensitive to errors during replication.
A probiotic feed additive has been found to significantly boost growth and improve gut health in broiler chickens. The study suggests that the supplement can help reduce antimicrobial resistance, a major public health threat.
Researchers at Tokyo University of Science discovered a simple method to increase Euglena gracilis carotenoid content ratio by exposing it to strong red-light irradiation in bonito stock. The approach has potential to enhance the nutritional profile and scalability of this edible microalga.
The researchers developed a process to engineer bacteria to grow sustainable textiles with their own pigment. They created shoe and wallet prototypes using the new material, which has potential for various colors and patterns. The self-dyeing leather alternative could solve environmental problems in the fashion industry.
The fungus C. albicans uses both yeast and hyphae forms to colonize the intestine efficiently when a complex bacterial community is present. The hyphal form produces Candidalysin, which inhibits bacterial metabolism, giving the fungus a competitive advantage.
Researchers at MIT and University of Helsinki discovered a protein in human sweat that can protect against Lyme disease. A genetic variant of this protein is associated with increased susceptibility to the disease.
A Washington State University-led research team discovered a set of genes in wild bacteria that allow them to survive exposure to nickel, enabling them to thrive in toxic soils. The genetic discovery could inform future bioremediation efforts to return plants to polluted soils.
A new study by Uppsala University researchers demonstrates that heteroresistance, a common transient resistance in bacteria, can facilitate the development of antibiotic resistance. The study found that heteroresistant bacteria carrying more resistance gene copies result in slower growth and increased risk of treatment failure.
A new study has discovered that Streptococcus anginosus bacteria play a significant role in causing stomach cancer. The research showed that S. anginosus infection led to gastric inflammation, cell damage, and the growth of stomach cancer cells, doubling tumour size and weight in some cases.
Researchers found that secreted products from certain bacteria strains can reduce inflammation in gut-derived cell lines and improve airway health in mice with cystic fibrosis. The study suggests probiotics could be beneficial for kids with CF, providing a potential proof of concept.
Researchers at Duke University found that cooperative growth in bacterial colonies can lead to the emergence of 'cheating' bacteria that exploit others. The study demonstrates how environmental pressures can shape the evolution of microbial communities.
Researchers at Washington State University discovered a way to trick bacteria into sending death signals to stop the growth of their slimy biofilms, which can lead to deadly infections. The study found that these 'death extracellular vesicles' can reduce bacterial growth by up to 99.99% in laboratory experiments.
Researchers at the University of Córdoba discovered a mutually beneficial relationship between an algae and three bacteria that produces hydrogen and biomass while cleaning wastewater. The combination, composed of Chlamydomonas reinhardtii alga and Microbacterium forte sp. nov., Bacilluscereus, and Stenotrophomonas goyi sp. nov., yield...
A new study from the University of Illinois examines factors affecting E. coli contamination on five leafy greens, including romaine and spinach. Researchers found that refrigeration significantly reduces E. coli growth on lettuce, while kale and collards are less susceptible due to their natural antimicrobial properties.
Researchers from Columbia University found that bacteria in biofilms have a highly structured arrangement, allowing them to control physiological states and survive during antibiotic treatment. This discovery could lead to developing new drugs targeting antibiotic-resistant bacteria.
Using optical traps, researchers controlled bacterial aggregation and biofilm development, finding different types of lasers can stimulate or suppress growth. The study opens up possibilities for creating microscopic building materials from bacteria.
Researchers discovered that a bacterial species can switch from being prey to a predator when grown at a lower temperature. The study, published in PLOS Biology, highlights the importance of considering historical context in evaluating predator-prey relationships.
Researchers discovered that plants eliminate IMA1 to prevent harmful bacteria from thriving, but increasing IMA1 levels makes leaves more resistant to attack. This finding suggests a deep connection between iron availability and the plant immune system.
Researchers at UNIST developed a novel one-pot process for growing Bdellovibrio bacteriovorus, a predatory bacterium with potential as 'living antibiotics'. This approach eliminated the need for multiple vessels and reduced growth time by over 50%, enabling large-scale cultivation without compromising efficacy.
The giant bacterium Epulopiscium viviparus has modified its metabolism to make the most of its environment, using a rare method to produce energy and harvest nutrients from its host's gut. This unique approach allows it to thrive in extreme conditions, with similarities to how mitochondria function in more complex organisms.
Researchers have discovered that the waxy protective barrier around plants plays a role in sending chemical signals to other plants and insects. This discovery might eventually be harnessed to develop stronger plants that can deal with challenging environmental conditions.
Researchers developed a simple, transparent coating that makes surfaces water-repellent, preventing bacterial growth in toilets. The coating, made from milled PDMS, inhibited 99.99% of bacterial growth and strongly repelled water, offering a practical solution for self-sanitizing public health applications.
A team of researchers from Texas A&M University is developing a low-cost, safe, and controlled cancer treatment using programmable bacteria. The $20 million project aims to create an efficient bacterial therapeutic that can target cancer cells with high precision, reducing side effects and costs.
Scientists at Texas Biomedical Research Institute found a promising cancer therapy also effectively reduces TB growth, even for drug-resistant bacteria. The therapy combines MCL-1 and BCL-2 inhibitors with antibiotics to control TB up to 98%.
Researchers found that smooth surfaces like tile and lacquer-coated wood have low bacterial growth, while porous surfaces like untreated oak increase the risk of contamination. Treated wood is recommended as surface material to prevent bacterial transmission via dry hands.
A new study confirms the presence of deadly Vibrio bacteria in Florida's coastal waters following Hurricane Ian. The research, led by University of Maryland senior author Rita Colwell, found high levels of pathogenic Vibrio parahaemolyticus and Vibrio vulnificus, particularly in oyster samples from Lee County.
Researchers found that different flours foster distinct bacterial communities, contributing to the variation in sourdough aromas and flavors. The study reveals that bakers can influence the aroma of their sourdough by using different flours.
Researchers at the University of Virginia Health System are developing computer models to better understand the cellular processes and gene activity of multi-drug resistant bacteria Staphylococcus aureus and Pseudomonas aeruginosa. The goal is to identify vulnerabilities in these bacteria and advance the development of new treatments.
A team of researchers has developed a stable, long-lasting superhydrophobic surface with a plastron that can last for months underwater. The surface repels blood and prevents the adhesion of marine organisms, making it valuable for biomedical applications such as reducing infection after surgery.
A study found that a water additive containing pomegranate extract can limit the formation of plaque and tartar in dogs after professional dental cleaning. The additive was shown to reduce plaque buildup by 47% and tartar by 24%, promoting healthy gums.
Researchers warn of risks associated with eating sushi and sashimi, especially for individuals with weak immune systems. The study highlights the importance of adopting a broad approach to combat the spread of antibiotic-resistant bacteria through animal and human health, food production, and environment.
Researchers at the University of Exeter found that certain antibiotics can alleviate stress and help prevent bacterial decline, allowing more bacteria to survive longer. The study, published in PNAS, suggests that these drugs can promote bacterial longevity and growth efficiency.
A study at Nagoya University reveals how FliG molecule controls bacterial motion, enabling faster and more efficient nanomachines. The findings could lead to compact motors with high energy conversion efficiency and instant direction changes.
Jennifer Kane is studying how microbes interact with Miscanthus roots to boost productivity and sustainability. The research aims to understand what conditions enable the plant to prosper, with potential implications for bioenergy production on marginal lands.
Researchers have identified essential genes for the growth of Patescibacteria, a group of tiny microbes that live on larger bacteria. The study provides insights into their unique biology and potential biotechnology applications.
A new study found that antibiotics promote the growth of antibiotic-resistant bacteria in the gut by providing extra nutrients, allowing these 'bad' bacteria to multiply. The research suggests that targeting beneficial bacteria can help restrict the growth of resistant bacteria, paving the way for microbiome therapeutics treatments.
Researchers at UMass Amherst have discovered a potential new medical therapy for Lyme disease using lactate dehydrogenase inhibitors typically used to combat cancer. The study found that these inhibitors substantially impacted Borrelia burgdorferi growth, making them promising candidates against Lyme infections.
Researchers found that competition between beneficial bacterial strains degrades the service they provide to plants, resulting in smaller benefits. The study used native California plant and eight compatible nitrogen-fixing bacterial strains to directly measure their ability to infect plants and provide benefits.
Bacteria can regulate nitrogen fixation through a protein called NifL, which changes shape in response to oxygen and energy levels. This discovery could lead to new ways to engineer bacteria and biofertilizers, improving crop yields in poor soils.
Researchers found that most microbial pairs fail to coexist, challenging the long-held hypothesis that every pair of microbes must also coexist in a bigger community. This study highlights the need for new predictive tools to engineer successful microbial communities, essential for biotechnology applications.
The researchers developed a device that can capture individual bacterial cells, allowing them to compare and analyze their behavior. The device uses electrical charges to induce movement in the bacteria, revealing new patterns and insights into their behavior.
A WVU researcher is working to understand the unknowns about microorganisms growing inside pipes that bring drinking water to homes and businesses. Biofilms can be detrimental to drinking water quality, but the researcher aims to develop strategies for maintaining water quality throughout complex infrastructures.
A recent study found that Kenyan patients who spend more than three days in hospitals are more likely to harbor antibiotic-resistant bacteria. The research team identified three risk factors associated with colonization, including hospitalization for extended periods and intubation.
Scientists have gained high-res structural insights into a key bacterial enzyme to develop new drugs that target its weaknesses and suppress disease-causing bacteria. The enzyme Lnt is not found in humans and has huge potential as a therapeutic target with fewer side effects for patients.
Researchers discovered that squash bug nymphs are attracted to the feces of adults of their own species, even in the dark or from a distance. This behavior is crucial for the bugs' survival as they need a healthy microbiome to grow and stay alive.
A new study from NYU Langone Health found a strong link between lupus flare-ups and specific bacterial growth in the gut, particularly Ruminococcus blautia gnavus. The researchers identified 34 genes linked to the bacterium's growth in people with inflammation, highlighting its potential role in triggering autoimmune diseases.
A University of Gothenburg study reveals that fish farm waste can be converted into biogas, reducing waste and generating nutrients for plants. The biogas can power the aquaponic farm, making it a sustainable energy source.
A study by Lund University researchers discovered that predatory bacteria, like Bdellovibrio, grew in number and consumed other bacteria when chlorine was removed from drinking water. This finding suggests that efficient filtration systems can reduce the need for chlorine, offering hope for a chlorine-free future.
Researchers used AI to identify a compound that kills Acinetobacter baumannii, a bacterium responsible for many drug-resistant infections. The new antibiotic shows promise in combating this growing public health threat.
A new study reveals faster growth rates of SAR11 bacteria than previously believed, with some groups dividing up to ten times faster. The research also shows that the timing of bacterial proliferation can influence their abundance and survival, challenging previous assumptions about marine microbial life.
Luis Cuello, a professor at TTUHSC, has developed a method to express human potassium channels in bacteria, allowing for large-scale biophysical studies. This technology will be used to target several channels relevant to diseases such as epilepsy, arrhythmia, and diabetes.
Researchers from University of Toronto Engineering demonstrate that bending silicone rubber medical devices can form 'microcracks' perfect for colonizing bacteria. Bacteria prefer to attach in these microscopic cracks, leading to the formation of potentially harmful biofilms.