Articles tagged with Fungi
Scientists deciphered the biosynthetic gene cluster for furanosteroid demethoxyviridin, a nanomolar-potency inhibitor of phosphatidylinositol 3-kinase (PI3K). The research group identified key enzymes involved in the biosynthesis pathway.
A deadly disease threatening frogs originated in East Asia, with global trade and human movement of amphibians contributing to its spread. The study found that the range of the disease expanded greatly between 50 and 120 years ago, coinciding with the rapid expansion of intercontinental trade.
A deadly fungus, chytridiomycosis, affecting amphibian populations was traced to the Korean peninsula through genetic sequencing of 177 fungal samples. Human trade of amphibian species accelerated its global spread, with strains showing varying levels of virulence.
A deadly fungus responsible for devastating amphibian populations worldwide may have originated in East Asia, new research suggests. The study analyzed genetic data from over 234 samples and found that four main genetic lineages of the fungus, including one native to Korea, contained high levels of genetic diversity.
A genetic analysis reveals leafcutter ants originated in South America and owe their success to more than just crop selection. The ants' ability to consume fresh leaves allows them to access a vast ecosystem, enabling massive colonies with specialized tasks.
A new study by San Francisco State University researchers links the introduction of American bullfrogs to the spread of a deadly fungus that has wiped out over 200 species of amphibians globally. The team found that bullfrogs were often present in the same watersheds as the fungus, suggesting they may be contributing to its spread.
Researchers identified principles for efficient mechanical systems that generate and amplify kinetic energy. Shorter latch release times amplify power, while longer durations eliminate it, explaining why small spring-based systems are more effective.
Archaeologists discovered evidence of ancient Neolithic communities using fungi as tinder to start and transport fires at the La Draga site. Researchers analyzed a unique set of remains, finding six fungal species used for this purpose, including Daedalea quercina and Coriolopsis gallica.
Researchers discovered that bacteria and fungus working together make biofilm on teeth more pathogenic and difficult to remove. A combination of fluconazole and povidone iodide effectively treats the biofilm by disrupting the protective matrix produced by bacteria.
The pin mold fungus Phycomyces blakesleeanus uses a gene from bacteria to create large gravity-sensing crystals that help it grow upright. Genetic analysis reveals the role of horizontal gene transfer in acquiring this unique trait, providing insights into the evolution of adaptation.
Researchers found that parasitic ants are accepted by host colonies due to their potent chemical weaponry, which protects against a more deadly invader. The study suggests a mutually beneficial relationship between the hosts and parasites, where the enemy of your enemy is your friend.
A study published in PLOS Pathogens reveals the genetic basis of structural diversity among trichothecene toxins produced by fungi. The analysis of genomic sequences and molecular biology experiments found that different combinations and versions of TRI genes are responsible for the diversity of trichothecene structures.
A team of researchers has found that a specific bacterium in the microbiota of leafcutter ants produces trail pheromones, which guide the ants to their nests without deviation. The pyrazine-producing bacteria were discovered by chance while investigating the ants' defense against parasitic fungi.
A team of scientists has found a way to trap the rice blast fungus within a single plant cell, stopping its spread. The breakthrough discovery reveals how the fungus manipulates natural channels to evade the plant's immune system.
A new approach using drug-like molecules is being tested to tackle fungal infections, which cause billions of illnesses and 1.5 million deaths annually. The project uses glycan-based molecules that weaken fungal cell walls, making them more visible to the immune system.
Researchers at KIT used high-resolution microscopy to observe the growth of mold fungi in living cells, gaining a comprehensive model for directed cell growth. The study reveals the role of vesicle transport in polar growth and has implications for understanding fungal growth and its applications.
Scientists found that Trichophyton rubrum nearly all belong to a single mating type and refuse to mate with others, even under various conditions. The fungus's high clonality may limit its ability to adapt, making it more susceptible to new antifungal medications.
Researchers discovered molecular evidence of obligate symbiosis in lichens, where fungal organisms streamline their genomes to coexist with algae. This finding suggests a genetic division of labor that makes the resulting lichen more efficient, potentially conferring an ecological advantage.
A new study suggests that the opening of the Panama Canal in 1914 may have led to the introduction of a deadly fungal disease, Cryptococcus gattii, into the Pacific Northwest region. The fungus, native to tropical regions, has caused outbreaks in Washington and Oregon, with symptoms including cough, shortness of breath, and confusion.
Researchers at Weill Cornell Medicine have identified a type of white blood cell that regulates the gut fungal population and protects against harmful fungi. This discovery sheds light on the mechanisms leading to ASCA generation, suggesting patients with certain gene variants may benefit from antifungal therapy.
Scientists have identified two fungal genes that cause disease in corn, which could lead to the development of more resistant hybrid varieties. The discovery provides insight into how the fungus outsmarts corn's defenses and may enable researchers to create plant varieties that can detect and resist specific pathogens.
Honey bee researchers found that foragers prefer sugar syrup laced with the fungicide chlorothalonil over a control at low concentrations, but avoid it at higher doses. The unexpected finding highlights the complex relationship between honey bees and environmental toxins.
A team of experts has identified a gene that triggers resistance in wheat to the devastating fungal pathogen Puccinia graminis f. sp. tritici (Pgt). The breakthrough allows for DNA testing to identify whether a rust strain can overcome a resistance gene, enabling targeted treatment and reducing crop devastation.
A new study sheds light on the source and spread of the white-nose syndrome fungus, which has wiped out millions of bats in North America. Researchers found that the fungus was introduced to North America from Europe and has since spread rapidly due to the effective dispersal abilities of bats.
A new study reveals how a specific lichen species, Lobaria scrobiculata, changes its reproductive strategy depending on rainfall levels. In dry places, the lichen reproduces with greater intensity and smaller volumes to ensure population persistence.
A €1.9 million research project will explore the complex roles played by marine planktonic fungi, known as mycoplankton, in the cycling of carbon in the sea. The MYCO-CARB project will use innovative approaches to assess active mycoplankton diversity and abundance across various ecosystems.
A study led by Penn State researchers found that a fungal parasite controls the behavior of carpenter ants without infecting their brains. The fungus surrounds and invades muscle fibers throughout the ant's body, forming a network to collectively control host behavior.
A team of researchers has sequenced the genomes of four Armillaria fungi, including A. ostoyae, to better understand its evolution and devastating impact on forests. The study reveals a vast array of gene families involved in pathogenicity and lignocellulose degradation.
A new study suggests that high-fat diets can change gut fungi and potentially contribute to the development of obesity. The research shows significant differences in fungal and bacterial communities between mice fed standard and high-fat diets.
A team of researchers from Sydney's Westmead Institute for Medical Research has discovered a new drug target, Arg1, to combat life-threatening fungal infections. The protein enables Cryptococcus neoformans fungus to establish fatal infections in patients with weakened immune systems.
Researchers found that patients with Crohn's disease have higher levels of fungus Candida tropicalis compared to healthy family members. Antifungals and probiotics could help restore balance to the microbiome, reducing inflammation.
Research reveals that European ash tree populations have acquired genetic diversity from the invasive Hymenoscyphus fraxineus fungus, allowing natural selection to operate. However, new arrivals of more genetically diverse strains could be disastrous for the species.
Researchers at UBC Okanagan campus have identified molecules in lavender that create antimicrobial and insecticidal compounds, providing a potential solution for controlling fungal growth and pests. This discovery could lead to the development of more environmentally friendly pesticides.
A specific mutation in the DNA of the fungal pathogen Cryptococcus deuterogattii increases its mutation rate, allowing it to rapidly develop resistance to antifungal drugs like FK506 and rapamycin. This hypermutator trait is likely widespread among pathogenic fungi.
Researchers have developed bifunctional molecules that bind both chitin in fungal cell walls and human antibodies, redirecting the immune system to eliminate fungal pathogens. The new approach has shown synergistic effects with antifungal agents, holding promise for fighting echinocandin-resistant fungi.
A study evaluated the effectiveness of chemical insecticides and the entomopathogenic fungus Beauveria bassiana against western flower thrips on broccoli and lettuce. The results suggest that incorporating biopesticides like Beauveria bassiana into Integrated Pest Management (IPM) practices can help manage thrip populations effectively.
A recent study by the USGS found that the deadly fungus Pseudogymnoascus destructans can be transported by bats and people visiting contaminated sites in summer. Guano accounted for 93% of bat-associated detections, while equipment and sediment samples also tested positive for fungal DNA.
Researchers at Duke University discovered how fungal spores use the power of merging water droplets to launch themselves. The team used high-speed cameras and an inkjet printer to study the mechanism, which involves the release of energy from the merged drop causing the spore to break away.
Researchers have discovered a novel mechanism used by brown rot fungi to break down biomass, using chelators and generating hydroxyl radicals to produce simple building-block chemicals. This method has potential use in bio-refineries for biomass conversion into platform chemicals.
Researchers at UC Santa Barbara and Stanford University have created a soft robot that can extend its tip and control its growth direction based on external sensors, enabling it to navigate complex environments. The robot has potential applications in endovascular surgery, search and rescue operations, and construction.
Research shows that being watched while making sensitive purchases inhibits sales; providing privacy measures like shopping baskets can alleviate this issue. Retailers must balance customer privacy with shoplifting control.
A global study has identified the evolutionary steps leading to the spread of the wheat blast fungus, a pathogen causing significant yield losses in Asia and South America. The fungus emerged through host jumps from a weed pathogen and its distribution was initially restricted to South America before re-emerging on the Eurasian continent.
Researchers found hundreds of new species of fungi living in association with algae in mesophotic coral ecosystems. The discovery reveals the remarkable ability of some fungi to tolerate and thrive in extremely different habitats.
A NASA study found that human presence in closed habitats increases fungal diversity and changes the composition of the mycobiome. Fungi, known for their ability to thrive in harsh environments, can become opportunistic pathogens in humans.
A recent study found that exposing baby cacao plants to healthy adult plant microbes reduces the risk of disease. Microbes from mother trees strengthen the immune system of baby trees, making them less susceptible to pathogens. This discovery has significant implications for the global chocolate industry.
Researchers identified a gene in wheat that protects against a deadly fungus, which was lost from many wheat crops in the 1980s. Restoring this gene could limit impacts of the fungal pathogen.
New research suggests ancient, dormant fungi could aid trees in migrating due to rapid climate warming in Canada's boreal and tundra ecosystems.
Three species of fungus can produce aerosolized toxins that can be inhaled, raising concerns about indoor air quality. Researchers found that mycotoxins are present on fungal spores and tiny particles, which could be easily inhaled.
Researchers at FAU investigated the formation of rot in grapes and found that certain mould fungi can produce a range of aromas, including fruity and floral notes. The study suggests that wine producers may be able to harness these alteration processes to create new, desirable flavors.
Researchers have developed a genetically engineered mosquito-killing fungus that can target disease-carrying mosquitoes with high efficiency, while being safe for humans and other insects. The fungus uses spider and scorpion toxins to block calcium and potassium channels in the mosquito's nervous system.
Scientists have developed a systematic approach to screen for molecules produced by molds, finding 17 new natural products in three species. The technology, called FAC-MS, uses genomics and data analytics to identify gene clusters that produce valuable chemicals.
Researchers at KIT discovered how fungi grow by extending tubular cells, contrary to conventional cell division. The growth process is controlled by calcium concentration and involves the transport of construction materials on rails.
Researchers have discovered a new complex of enzymes in herbivore gut fungi that can break down plant biomass into sugars, offering potential for sustainable fuels and chemicals. The unique structure of these enzymes, called cellulosomes, has the potential to be engineered for industrial use, reducing the need for current enzyme mixtures.
Researchers have discovered that early lineages of fungi can form protein complexes capable of degrading plant biomass, teaming up to work more efficiently. The findings, enabled by a collaborative science initiative, could help advance sustainable biofuels production.
Researchers have discovered three new species of fungus gnats in Indian amber, closely resembling their European fossil relatives. This discovery disproves the concept of a strongly isolated Indian subcontinent, suggesting regular faunal exchange between India and Europe.
Researchers at the University of Tsukuba have uncovered a molecular mechanism that coordinates growth spurts in filamentous fungi. The team discovered that cellular calcium levels oscillate, triggering the assembly of actin chains that guide vesicles to the site of growth.
A new study by Yale researchers found that maintaining a diverse collection of species in fungal communities not only safeguards weaker species but also protects the genetic diversity of the larger community. This phenomenon, known as biodiversity begetting biodiversity, can help protect threatened ecosystems like coral reefs.
Researchers have identified a new major gene expression regulator in fungi, which is preferentially deposited based on gene function and conservation. The discovery was made using DNA sequencing data from 16 fungal genomes, revealing high levels of DNA base modifications, including the methyl group addition to adenine (6mA).
A newly published study documents an orchid fossil trapped in Baltic amber, shedding light on the family's evolutionary history. The discovery, published in Botanical Journal of the Linnean Society, pushes the record for oldest orchid fossil to over 45 million years.
Scientists discover three new species of fungus-farming ants, including Sericomyrmex radioheadi, which grows a unique crystal-like layer on its body. This layer may play a role in protecting the ant's fungus garden from parasites.