Articles tagged with Rice Blast
Researchers found that the presence of a fungus increases the pH of the soil, promoting growth of beneficial bacteria. This interaction could lead to sustainable agricultural practices by harnessing microbial interactions to combat plant diseases.
Researchers have identified a new type of resistance gene in plants called Ptr, which makes rice immune to certain strains of the fungus Magnaporthe oryzae. This finding invalidates previous studies on another gene named Pi-ta and opens up new avenues for understanding natural resistance to disease.
Researchers have identified an essential stage in the takeover of rice cells by a fungus, which could accelerate treatment or prevention of rice blast disease. The discovery involves a modification in tRNA molecules that aid in protein construction, and its absence leads to reduced virulence.
A team of scientists used CRISPR-Cas genome editing to create a disease-resistant rice variety, which showed high yields and resistance to the fungus that causes rice blast. The new rice variety produced five times more yield than the control rice in small-scale field trials.
Researchers have found that iron treatment increases rice's resistance to infection by the pathogenic fungus Magnaporthe oryzae. Exposure to moderate levels of iron triggers a process called ferroptosis, which limits the progression of the fungus and controls the infection.
Researchers at UC Berkeley discovered that a fungus secretes an enzyme that punches holes in rice leaves, making it vulnerable to chemical blockers. The team is now screening chemicals to find ones that block the enzyme's ability to digest plant cell walls.
Researchers have developed a new biocontrol method to protect rice seeds against the devastating fungal infection bakanae disease, which affects up to half of all rice crops worldwide. The non-pathogenic fungus outcompetes the disease-causing fungus on rice seeds.
A six-year study has uncovered the existence of a sensor in appressoria that tells the fungus when to rupture the rice leaf. This discovery provides a platform for developing fungicides against rice blast, one of the deadliest crop killers, and could also apply to other septin-mediated fungi.
Researchers have identified a specific rice immune receptor that can trigger immune reactions in response to multiple fungal proteins, paving the way for disease-resistant rice crops. Gene-editing technologies could be used to precisely insert genes into rice plants, overcoming issues with linkage drag and enhancing disease resistance.
Researchers from Tokyo University of Science demonstrate the molecular basis of chloramphenicol's adverse effects on eukaryotic cells. They found that the antibiotic targets appressorium formation in the rice blast fungus, which is critical for its infection cycle.
Researchers have discovered a crucial role for the actin-binding protein MoABp1 in rice blast fungus pathogenesis. This finding sheds new light on eukaryotic cell biology and virulence mechanisms of plant pathogenic fungi, offering potential targets for anti-blast fungus management.
A recent study has unveiled the intricate molecular mechanisms behind plant immunity, allowing researchers to unravel bespoke defence solutions against different variants of the rice blast pathogen. The findings have significant implications for engineering disease resistance against a range of crop pathogens.
A study led by Rutgers University scientists has found that a fungus causing devastating rice disease became harmful 21 million years ago. The researchers identified key genes and proteins that promote the infection process, offering insights into developing new fungicides and quarantines to combat crop diseases.
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 study identified a genetic mechanism in rice that provides resistance to devastating disease without compromising grain yield. Researchers discovered that co-expression of PigmS limits seed damage associated with PigmR, allowing for increased protection and yield.
Researchers at the University of Delaware have discovered a combination of beneficial soil microbes that can boost rice plant defenses against both arsenic and fungal diseases. By applying a 'health cocktail' of these microbes, plants can better withstand stresses, providing a natural solution for addressing global food security concerns.
A study published by University of Delaware plant scientists has identified a stress hormone that appears to increase the virulence of the rice blast fungus. The research may lead to new control methods for the devastating disease.
Researchers have discovered a soil microbe that mobilizes an "iron shield" to block the uptake of toxic arsenic in rice. The microbe, EA106, forms a plaque on the surface of roots that competes with arsenic, effectively blocking its pathway. Inoculations with EA106 improved iron uptake and reduced arsenic accumulation in plants.
Researchers at the University of Delaware have discovered a naturally occurring microbe that inhibits the devastating fungus known as rice blast, inducing a defense response in rice plants. The beneficial soil microbe, Pseudomonas chlororaphis EA105, reduces fungal growth by 76% and lesion size.
Researchers have found that the rice blast fungus uses two distinct secretion systems to invade plant tissue, shedding light on a devastating crop disease. The discovery is a step towards controlling blast disease, which destroys enough rice to feed 60 million people annually.
Researchers have shed light on how the rice blast fungus invades plant tissue by evolving two distinct secretion systems. Understanding this process is crucial in controlling the disease and will help prove pivotal in blast disease control.
A team of Kansas State University researchers, led by Barbara Valent, has been awarded $5.5 million to develop resistant varieties and diagnostic tools for two deadly diseases: wheat blast and rice blast. The project aims to improve U.S. rice production and protect the nation's wheat crop.
A ranking system of the ten most important phytopathogenic fungi has been developed by 495 international researchers. The rice blast fungus is at the top of the list, followed by Botrytis cinerea and Fusarium oxysporum.
Scientists at the University of Exeter have identified a specialized group of proteins called septins in plant infection for the first time. The discovery sheds light on how the rice blast fungus channels its pressure to form an infection peg that breaches the rice leaf surface, enabling it to infect rice tissue.
Agricultural Research Service scientist Yulin Jia characterized the molecular mechanism of some plants' ability to resist rice blast, a fungal disease affecting cereal grain crops. He also mapped two major blast-resistance genes from a Chinese rice cultivar, which have been reported in several scientific journals.
Researchers discovered that colonizing rice plants with fungal spores from naturally salt-tolerant plants enhances their ability to withstand cold, salt, and drought. This emerging strategy, called symbiogenics, could help mitigate climate change impacts on global food security.
A collaborative EUREKA project developed an integrated pest management system, reducing rice waste by over 95% through sustainable technologies. The system uses electronic insect traps, aeration, and modified atmosphere to protect rice during storage, improving quality and food security.
Researchers found that manipulating fungal genetics increases rice growth by five-fold, addressing global phosphate reserves critically low issues. The breakthrough exploits the fungus's genetic variation and segregation processes without introducing new genes.
Researchers at ARS Dale Bumpers National Rice Research Center have identified a genetic region qShB9-2 that controls sheath blight in rice. They also developed a standardized screening technique to detect the disease in seedlings, accelerating the process of identifying resistant germplasm.
Bui Chi Buu, director general of the Institute of Agricultural Science for Southern Vietnam, has been awarded the Senadhira Rice Research Award for his outstanding work in developing popular rice varieties in Vietnam. His efforts have led to the certification of many rice varieties grown by farmers throughout the Mekong Delta.
Researchers at the University of Exeter have identified a single gene crucial to the rice-killing fungus's ability to infect plants. The discovery could lead to the development of effective chemicals to combat the devastating disease, which affects half of the world's population and kills enough rice to feed 60 million people annually.
Researchers identified an enzyme called MAP kinase as a crucial player in the fungus' attack, triggering cellular communication necessary for fungal invasion. Understanding this process is essential to develop new fungicides or resistant rice plants.
The study reveals novel receptors that enable the fungus to recognize its environment, as well as secreted proteins used to damage rice plants. The M. grisea genome contains retro-elements, which may contribute to its rapid evolution of new strains.
Researchers have sequenced the genome of Magnaporthe grisea, a fungus that causes rice blast, which destroys enough rice to feed 60 million people worldwide. The genomic structure is now available online, offering opportunities to dissect, understand and manage plant disease.
A new system of planting different varieties of rice plants can significantly reduce problems with the fungal disease 'blast', which causes lesions on rice plants, reduces yields and in severe cases can kill entire crops. This approach has been shown to eliminate losses to blast in some types of glutinous rice.
Researchers have constructed the first complete physical map of an M. grisea chromosome, providing a crucial step towards understanding and combating the devastating effects of the rice blast fungus on global food supplies.