Articles tagged with Bacterial Effectors
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A new study has identified novel strains of microbes that have adapted to use limited resources in cities, including those found in Hong Kong's subways and skin. These microbes can metabolize manufactured products, posing health risks if they are pathogenic.
A new study at the Hebrew University of Jerusalem sheds light on the role of effector AopW1 in host adaptation, providing new perspectives on bacterial fruit blotch. The research highlights differences between strains of Acidovorax citrulli and their impact on melon and watermelon crops.
Researchers have discovered that bacteria use mobile components of the injectisome to search for and transport specific proteins to be injected into host cells. This mechanism allows for efficient and specific protein delivery, enabling potential applications in medicine and biotechnology.
Researchers have uncovered the intricate molecular mechanism used by parasitic phytoplasma bacteria to manipulate plants. The discovery sheds light on a peculiar phenomenon in nature, where plants exhibit 'zombie-like' effects due to bacterial infection.
A recent study has shown that the mutual symbiosis between bacteria and fungi can be fragile, as a specific protein maintains the balance. When this protein is absent, the bacteria are trapped within fungal hyphae and die.
A study characterizes secreted proteins from Candidatus Liberibacter solanacearum, a newly emerging pathogen of tomato and potato. The proteins, called effectors, offer clues into the manipulation tactics used by the bacterium to subdue its plant host.
A study by Osaka University researchers has revealed the molecular details of how Vibrio cholerae secretes its colonization factor TcpF. The mechanism involves the Toxin-coregulated pilus (TCP) system, which allows the bacterium to colonize the human intestine and initiate infection.
NC State researchers discovered a new way to make the difficult-to-characterize gut bacterium Bifidobacterium more responsive to antibiotics. They also found tiny changes in different strains that reflect large differences in their characteristics, highlighting the need for individualized CRISPR-based genome engineering approaches.
Chronic bacterial infections can lead to chronic inflammation and DNA damage, increasing CRC risk. Salmonella infections are particularly risky, as they impair immune responses and promote tumorigenesis.
Scientists have clarified phytochrome's atomic-scale resolution, unlocking its role in regulating bacterial pathogenicities. The study provides a new photoactivation model explaining the signaling mechanism of black rot disease.
Researchers characterize Photorhabdus Virulence Cassette as potent effector Pdp1, responsible for cytotoxicity against eukaryotic cells. The cassette enables direct translocation of effectors into mammalian macrophages to induce cell death.
A complex of seven proteins is essential for Ustilago maydis to infect its host plant maize. The discovery could lead to developing new fungicides and understanding how effectors function in biotrophic fungi.
A new AI platform has identified specific proteins that allow bacteria to infect the intestines, paving the way for smart drugs to prevent disease. The study used machine-learning tools and genomic information of multiple bacteria to make accurate predictions.
A team of scientists has developed an AI model that can predict the success of bacterial infections by analyzing the interactions between different effectors. The study found that even if some effectors are removed, the infection can still take hold due to the inherent strength and flexibility of the effector network.
Scientists have developed a new genetic approach to improve biological nitrogen fixation in soybeans by leveraging wild ancestors' genetic diversity. They found that specific genes interact with beneficial microbes to alter the number of nodules a root system forms.
Researchers identified a blueprint for plant immunity against rapidly evolving disease-causing pathogens, including bacteria, fungi, and viruses. They found that nearly all strains of certain crops carry immune-eliciting effectors, which can be recognized by plant immune receptors.
A HHU-led research consortium aims to eliminate the deadly disease bacterial blight in rice, a staple crop for over half of the world's population. The team has developed resistant rice varieties and a diagnostic kit to combat the disease, which can devastate smallholder farmers' crops.
Scientists at Goethe University have elucidated the interaction of bacterial effectors, revealing how regulator SidJ controls virulence factors. The discovery sheds light on Legionella's ability to multiply in immune cells and offers potential strategies for inhibiting its spread.
Researchers have deciphered the molecular events that convert inactive NLR molecules into active complexes providing disease resistance. The study focuses on protein ZAR1, which interacts with multiple 'guardees' to recognize unrelated bacterial effectors and induces cell death through a unique structure.
Scientists at Goethe University Frankfurt reveal atomic details of Legionella's enzymatic weapon and develop the first inhibitor. The discovery has implications for tackling antibiotic-resistant bacteria, which threaten global health and economic stability.
Researchers have discovered that bacteria can inject toxic proteins into their competitors, causing cell lysis and death, and then acquire antibiotic resistance by incorporating the released genetic material. This ability allows bacteria to rapidly develop resistance to antibiotics, posing a significant threat to patients in hospitals.
Researchers discovered that the pathogen Francisella tularensis uses a nano-machine called type VI secretion system (T6SS) to disrupt digestive vesicles and escape into the cytosol, allowing it to rapidly replicate. This efficient defense mechanism is crucial for the bacterium's success in an infection.
A team of researchers discovered that a bacterium infects cotton by tricking the plant to produce food for itself, ultimately depleting the plant's resources. The study offers potential tools for earlier diagnostics and strategies for controlling the disease, which can affect up to 40% of cotton yield.
Researchers at Graz University of Technology have made a breakthrough in optogenetics by observing molecular principles of sensor-effector coupling in a full-length structure of a red-light responsive protein. They described detailed mechanisms of signal transmission over long distances at a molecular level.
Researchers found that bacteria use phospholipases to degrade competitor cell membranes without harming their own, revealing a new mechanism for interbacterial competition. This discovery opens the way for developing antibacterial drugs that harness this natural defense.
A team of researchers at the University of California, Riverside, has discovered a genetic mechanism that explains how Phytophthora pathogens compromised the potato plant's immune system during the Irish Famine. The study reveals that RNA silencing pathways are suppressed by effectors, leading to an increase in susceptibility to disease.
New research reveals the molecular basis of a bacterial effector protein called Cif, which manipulates host cell processes for infection and colonisation. The study identifies the structure of Cif bound to its target NEDD8, providing insights into pathogenesis and potential new tools for probing cellular functions.
Dr. Richardson's research focuses on the role of basic bacterial physiology in the virulence of human pathogens, with a particular emphasis on Staphylococcus aureus. His work has shown that certain compounds can be lethal to the pathogen, leading to new insights into the battle between host and bacterium.
Scientists have solved the three-dimensional structure of a newly discovered type of gene-targeting protein called TAL effector, which has a unique LEGO-like modular architecture. This discovery enables researchers to engineer the protein for targeted gene modification, genetic engineering, and corrective gene therapy.
A team of researchers, led by Iowa State University's Adam Bogdanove, has made a groundbreaking discovery about the molecular basis of bacterial diseases in plants. They found that specific proteins bind to host DNA molecules at predictable locations, activating targeted genes.
A study by Steffen Stenger and colleagues found that anti-TNF therapies, such as infliximab, decrease the immune system's ability to fight infections, including tuberculosis. The researchers identified a key immune cell subset, CD45RA+ effector memory CD8+ T cells, which plays a major role in targeting the bacterium that causes TB.
Researchers at Hebrew University of Jerusalem developed a real-time test to monitor bacterial syringe activity, discovering new properties that could lead to drug development. This breakthrough has the potential to combat diseases caused by pathogens like Salmonella and E. coli.
A team of UCSD researchers has identified a 24-member family of bacterial proteins called effector proteins that help pathogenic bacteria such as Salmonella and E-coli infect human cells by hijacking the body's communication network. The findings could lead to novel ways to fight bacterial diseases.
A University of Toronto geneticist has discovered a process to clarify the relationship between bacterial pathogens and their plant hosts. By developing a functional screen, Professor David Guttman identified more type III effectors in plant pathogen Pseudomonas syringae than in any other animal or plant pathogen.