Articles tagged with Fungal Infections
A gene-silencing pathway in fungi protects their genomes from unwanted genetic mutations during mating, which could be used to develop new treatments for fungal infections. The discovery of this pathway may also provide insights into the mechanisms of fungal disease.
Researchers at the University of Zurich have identified a mutant gene that links powdery mildew resistance to plant fertility. Plants with this gene are resistant to powdery mildew but infertile, highlighting a crucial trade-off in plant defense mechanisms.
A fungal infection caused by Fusarium solani has been found to be a major contributor to the decline of Atlantic sea turtles. The fungus can infect turtle eggs, causing high hatching failure rates and driving population numbers down.
Researchers from Hopkins, Baylor, and Stanford discovered that arsenite affects the TCP protein folding machine in yeast cells, which is also present in humans. This knowledge could lead to developing safer therapeutic alternatives to arsenite-based medicines.
Researchers have identified a natural substance in a fungus that infects a common weed, showing potential as the first stinkbug repellent. The substance repelled up to 90% of stinkbugs and was almost twice as effective as naphthalene, a gold-standard for measuring insect repellents.
A team of scientists from Mayo Clinic, University of Illinois at Urbana-Champaign, and J. Craig Venter Institute are investigating the relationship between vaginal microbiota and preterm birth. They aim to identify microbial risk predictors for preterm birth using genomic information from the Human Microbiome Project.
A new study reveals that fungal spores travel farther by forming a plume that reduces drag to nearly zero, creating a wind that carries them up to 100 millimeters. By hydrodynamic cooperation, thousands of spores are ejected simultaneously, reaching speeds of 60 centimeters per second and covering distances of over a centimeter.
Recent research suggests that some TB vaccines under study may not be effective in older people, as the molecule responsible for immune response activation remains relatively inactive. The study's findings highlight the need for a new approach to vaccine development to ensure protection against tuberculosis for the elderly.
Research found high glucose levels can form a 'sugar coating' that blocks immune receptors, increasing the risk of chronic bacterial and fungal infections in diabetes patients. This can lead to increased risks of viral infections like influenza and inflammatory conditions like cardiovascular disease.
A 48-million-year-old fossilized leaf has revealed evidence of a fungus taking control of ants to turn them into zombies. The discovery sheds light on the evolution of parasitic manipulation in animals.
Scientists have isolated an improved variant of yeast Cryptococcus flavescens that tolerates fungicide and is being evaluated as a biocontrol agent. This yeast has shown promise in reducing scab damage by up to 85% when combined with other fungicides.
A research team at Virginia Tech has discovered a fundamental entry mechanism for fungal microbes to infect plants and cause disease. Special disease-related proteins, known as effectors, bind to a specific lipid molecule found on the cell surface before entering the cell.
Researchers have discovered that vitamin B3 can inhibit the growth of Candida albicans and Aspergillus fumigatus, two major human pathogens. The study found that nicotinamide, a form of vitamin B3, can reduce virulence in both normal and drug-resistant strains of C. albicans.
Agriculture and Agri-Food Canada provides two-year funding to Innovotech to expand the applications of its Agress seed treatment and plant spray, aiming to increase crop yields and improve quality while minimizing environmental impact. The funding will also support regulatory approval submissions for Agress.
Gerald R. Fink receives the prestigious award for his groundbreaking work on yeast genetics, enabling gene manipulation and advancing biomedical science. His discoveries have led to life-saving drugs and vaccines, as well as a deeper understanding of disease-causing fungi.
Geneticists have identified a wild potato species, Solanum verrucosum, with resistance to late blight and early blight. Researchers are working to crossbreed this resistant gene into cultivated potatoes to improve disease resistance.
Scientists have discovered that CCL5 plays a protective role in warding off tuberculosis by attracting immune cells to infection sites. The protein may lead to new therapies that help the immune system resist TB, providing hope for treating this global disease.
A research team at Worcester Polytechnic Institute found that yeast produce a plant hormone called indole-3-acetic acid (IAA) that can trigger fungal cells to become more infectious. The hormone is known to regulate plant growth, but its presence in sufficient quantity within the yeast's environment also triggers morphogenic transition...
Researchers found nearly 20% of cryptococcosis patients had mixed infections with multiple strains of C. neoformans, evolving during infection. This challenges the traditional concept of a single pathogen causing disease.
Researchers identified GRP78 as a key protein facilitating fungal invasion of blood vessels in diabetes-related infections. Mice treated with GRP78-specific immune serum showed protection from mucormycosis.
Ecological speciation is a main route for the emergence of new fungal diseases in plants, according to researchers. Fungi account for 30 percent of emerging infectious diseases in plants.
New research reveals that Chytrid fungus kills frog populations when infection intensity reaches a critical threshold. The study found that mass mortalities occur beyond this point, while continuous re-infection causes the disease to reach the threshold.
Vancouver Island has an unusually high rate of Cryptococcus infection, a rare but deadly disease caused by inhaling toxic fungus from fir trees. Researchers at the University of Calgary have found that a class of approved therapeutic drugs could prevent brain infection by stopping the fungus from crossing the blood-brain barrier.
Researchers found that Pseudomonas aeruginosa bacteria can inhibit Candida albicans biofilm formation on silicone surfaces. This discovery could lead to the development of new antimicrobial drugs and additives to prevent hospital-acquired fungal infections.
A study of 10,514 children found that 6.6% were infected with the fungus Trichophyton tonsurans, which can lead to permanent hair loss and worsen asthma and allergic rhinitis. Infection rates varied by age and race, with African American kids at highest risk.
Researchers found that only about 30% of the genes in the corn smut genome are always activated, while the other 70% is tissue-specific, with different parts of the maize plant activating different genes. This discovery could lead to new approaches to fighting disease in plants and humans.
Cryptococcus fungi have an expanded set of genes encoding sugar transporter molecules, allowing them to efficiently move sugar inside cells and thrive. The fungi's love for sugar may be a potential weakness, as scientists can target them by developing low-carbohydrate strategies to block infections.
Researchers have identified Asian landrace accessions with high levels of Fusarium head blight resistance and low mycotoxin production. These findings could help avoid future FHB disasters and improve U.S. wheat varieties' defenses against the disease.
A new study reveals that fungi have the capacity to quickly change their genomes and become infectious to plants and animals, including humans. This discovery raises concerns for crop agriculture and human health, as fungal diseases are more difficult to treat than bacterial diseases.
A new genetic variant has been identified that offers protection against tuberculosis (TB) and leprosy. This discovery opens up potential new targets for drug development, particularly for improving treatment schedules for patients with these diseases.
Researchers identified a gene lta4h involved in TB and leprosy susceptibility, with a role in orchestrating pro-inflammatory and anti-inflammatory responses. The balanced genotype appears to lead to a balanced inflammatory response, while very strong anti-inflammatory activities may worsen infections.
Researchers at Duke University have developed a new gene-expression test that can detect Candida fungal infections in patients. The test measures how a patient's genes respond to the infection and has shown promising results in mice, indicating it could be an early detector of life-threatening candidemia.
Researchers have developed five new potato breeding lines resistant to powdery scab and black dot diseases, caused by fungi <i>Spongospora subterranea</i> and <i>Colletotrichum coccodes</i>, respectively. The lines consistently showed fewer disease symptoms than other tested varieties in three years of field trials.
Two studies published in Journal of Experimental Medicine reveal that patients with a rare autoimmune disease produce antibodies that bind and disarm cytokines, which fight airborne pathogens. These findings may help explain the recurring nature of these patients' yeast infections.
Bdelloid rotifers have evolved to avoid parasites and pathogens by desiccating and drifting away on the wind. This mechanism allows them to establish new, uninfected populations and evade biotic enemies without sex.
A recent study found that midwife toads living in mountain regions are highly susceptible to a serious fungal infection called chytridiomycosis, which can lead to up to 100% mortality rates. Conservationists may be able to limit the impact of the disease by ensuring tourists do not transfer it between lakes.
Researchers have discovered a new model of fungal growth, known as the 'apical recycling model', which sheds light on how fungi cells shape and grow. This breakthrough has the potential to inform the development of new strategies for preventing and treating fungal diseases in plants and animals.
LA BioMed will receive over $4.5 million in Recovery Act grants to support groundbreaking research on Sudden Infant Death Syndrome, heart disease, liver disease, cancer, and a vaccine against Candida infections. The grants will also create jobs and fund vital research.
An international study found that 51% of ICU patients were infected, with lung infections accounting for 64%, and infection rates varied by region and healthcare expenditure
A team of researchers at Worcester Polytechnic Institute has developed a new model system to study fungal infections. The system can be used to identify promising targets for anti-fungal drugs, potentially leading to effective treatments for conditions like thrush and athlete's foot.
Researchers discovered fungal protein TmpL critical for pathogen development, shielding it from oxidative stress while aiding in infection. TmpL-deficient mutants were more sensitive to external oxidative stress, suggesting its role in protecting pathogens from host defense mechanisms.
Two genetic mutations, CARD9 and Dectin-1, have been identified as increasing the risk of fungal infections in humans. These findings offer new insights into the genetic basis of fungal diseases and may pave the way for future therapeutic options for patients suffering from chronic mucocutaneous candidiasis and other infections.
A new study reveals that pumpkin skin contains a powerful antifungal protein that can inhibit the growth of disease-causing microbes, including Candida albicans. The protein could be developed into a natural medicine to fight yeast infections in humans.
The study found that mammals are protected from the majority of fungal pathogens due to their elevated body temperature, which is too high for most fungi to survive. This theory could help explain why mammals rose to dominance after the dinosaur extinction event.
Researchers have identified a three-pronged mechanism of the human immune system attacking fungal yeast cells, including recognition of specific cell wall components and glucan targets. Understanding these interactions could lead to effective immunotherapy and new treatments for patients with weakened immunity.
Researchers found that tamoxifen kills yeast cells and prevents them from causing disease by breaking apart and dying fungus cells. The drug has potential as an effective treatment against serious fungal infections, particularly in immune-compromised patients, offering a new arsenal to help critically ill patients.
Dr. Jay Kolls receives $1.8M grant to explore antibody responses against Pneumocystis fungus, aiming to develop a vaccine to prevent or treat PCP. Preliminary studies show that carbohydrate antibodies participate in early clearance and regulate long-term immune responses.
Researchers at Carnegie Mellon University have identified a key regulatory gene network that plays a crucial role in the spread of common and deadly yeast infections. The study reveals how the Zap1 protein regulates biofilm matrix production, which helps pathogens thrive and resist treatment.
Scientists have identified a method to predict which HIV-positive individuals are most susceptible to deadly fungal meningitis. The study found that people with low levels of IgM memory B cells are more likely to develop the disease, suggesting a genetic predisposition.
Researchers at Carnegie Mellon University have identified a novel regulatory gene network that plays a crucial role in the spread of invasive yeast infections. The study reveals that Zap1 protein regulates the production of biofilm matrix, promoting infection and drug resistance.
Researchers at Case Western Reserve University have identified a critical role of interleukin-1β in protecting against oral colonization by Candida albicans. The study found that IL-1β is secreted by human immune cells in response to Candida infection and helps modulate the immune system, providing new avenues for therapeutic targets.
A 4000-year-old skeleton from India reveals the earliest archaeological evidence of human infection with Mycobacterium leprae, shedding light on prehistoric transmission routes and challenges popular misconceptions about the disease. The findings support a hypothesis that leprosy spread between Africa and Asia during urbanization periods.
Researchers discovered that a pathogenic yeast species can complete a full sexual cycle despite lacking key reproductive genes. This phenomenon may play a role in the evolution of drug resistance and provides insights into chromosomal abnormalities.
Researchers found that entomopathogenic fungus Beauveria bassiana is virulent against Triatoma infestans, the primary vector of Chagas disease. The fungus successfully killed over 50% of infected bugs in field assays, reducing bug populations and estimated parasite transmission risk.
LXRs play a protective role against Mycobacterium tuberculosis infection by boosting Th1 and Th17 immune responses. Treatment with LXR activators provides substantial protection from infections.
A team of Penn State entomologists is searching for an insect disease that will infect mosquitoes and impair their sense of smell. By doing so, they hope to reduce the ability of infected mosquitoes to find human hosts and transmit malaria.
A new apple cultivar called WineCrisp has been introduced after 25 years of research, offering a highly productive late-season red apple with a firm texture and dark red color. The fruit is resistant to fungal disease apple scab, reducing costs for growers and promoting environmental sustainability.
A study of 181 women found that increased sexual activity, recent alcohol consumption, and using sanitary napkins during menstruation were associated with an increased risk of developing their first urinary tract infection (UTI). Medical attention is crucial as UTIs can lead to kidney infections and sepsis.
The publication, supported by Eurofungbase and DSM, offers valuable insights into the genomes of Aspergillus species for fungal biologists and medical researchers worldwide. The large-scale annotation projects provide a resource for understanding these organisms and their applications in health, environment, and food.
A new test for invasive aspergillosis (IA) has been developed to detect the deadly fungal infection in patients with damaged or suppressed immune systems. The test uses a monoclonal antibody that binds to a glycoprotein antigen secreted by Aspergillus species, distinguishing it from similar molecules found in antibiotics and foodstuffs.