Articles tagged with Pathogens
Recent studies published in the Tuberculosis journal reveal the earliest confirmed presence of tuberculosis' causative agents in human remains, pushing the timeline back by tens of thousands of years. Researchers have also discovered evidence of TB infection in Neanderthal specimens from Hungary, dating back over 32,000 years.
A team of Kyoto University researchers found that macrophages produce granulomas through a hyperactive metabolic pathway called the pentose phosphate pathway. Inhibition of this pathway showed therapeutic efficacy in reducing granuloma formation in vitro and in mouse tissue models.
Researchers predict that vampire bats will expand their locations in search of more stable climates, potentially linked to a spillover of rabies. The team's work aims to identify and track the bats by traveling to Colombia to contain the spread.
Researchers investigate nanoparticles for cancer treatment, hoping to reduce side effects and improve efficacy. La-Beck's lab aims to understand the body's interaction with nanoparticles and their impact on tumor growth and immune responses.
A team of scientists led by the University of Arkansas System Division of Agriculture has been awarded a $3.57 million grant to develop spinach cultivars resistant to fungal pathogens. The project aims to expedite breeding for disease resistance, reducing fungicide use and supporting sustainable spinach production.
A study of 139,000 Canadian children found a substantial decrease in severe respiratory disease hospitalizations and ICU admissions during the first two years of the pandemic compared to pre-pandemic periods. This suggests that public health interventions may be warranted for future evaluations of respiratory illness.
Asian longhorned ticks, originating from East Asia, have been detected in Ohio, with over 1 million estimated in a single pasture. Researchers stress the need for early detection and targeted control measures to manage these persistent pests.
Research out of Osaka University reveals that many Japanese people continue to wear masks for socio-psychological reasons, including relief and norm. The study found correlations between mask usage motivations and actual mask usage before and after the government downgraded COVID-19's legal status.
The LoCKAmp device uses lab-on-a-chip technology to detect Covid-19 and other pathogens in just three minutes, providing rapid and accurate results. The device has the potential to be used in remote healthcare settings and could also detect conditions like cancer.
The Cumming Global Centre for Pandemic Therapeutics is offering global grants of up to $200,000 per annum for three years to develop novel therapeutics for pathogens of pandemic potential. Researchers are invited to submit expressions of interest for Round Two of the Foundation Grants program.
A new Australian study suggests harnessing genomic surveillance technology can detect the rise of deadly 'superbugs', slowing their evolution and spread to improve global health outcomes. The study highlights the need for a multifaceted 'One Health' approach to surveillance, with practical recommendations for implementation.
Researchers found that Porphyromonas gingivalis inhibits autophagosome-lysosome fusion, worsening cardiac remodeling and causing cardiac rupture after myocardial infarction. The study suggests that treating this oral infection could help prevent fatal heart attacks.
A study found that Acinetobacter baumannii and Candida auris were common among patients receiving mechanical ventilation, particularly in long-term care facilities. These pathogens pose a significant risk to this vulnerable population, highlighting the need for targeted surveillance and prevention efforts.
A groundbreaking study sheds light on the intricate mechanism behind the immune system's ability to differentiate between self and non-self antigens. Continuous activation of self-reactive T cells is essential for maintaining equilibrium and self-tolerance through regulatory T cells.
Researchers at Cleveland Clinic have developed a potential vaccine candidate against Dabie Bandavirus using nanoparticles, which can deliver antigens at a lower dose with fewer side effects. The vaccine has shown promise in pre-clinical studies and could provide protection to adults over 50, who are most vulnerable to the virus.
In C. elegans, a specialized anti-aggregation mechanism is triggered in response to core protein quality control failure, promoting tissue-specific resilience to age-dependent protein aggregation. This mechanism relies on pathogen response factors and lysosomal mediated degradation.
Scientists have identified specific long noncoding RNAs that regulate gene expression and life cycle progression of the deadly Plasmodium falciparum malaria parasite. The discovery could lead to new therapeutic strategies against malaria.
Researchers investigated the inactivation efficacy of different UV wavelengths against SARS-CoV-2 Omicron variants, finding similar inactivation properties across various wavelengths. The study highlights the potential of far-UVC light as a safe germicidal option for mitigating airborne virus transmission.
Researchers investigate how bacteria modify host RNA using effector proteins to ensure their survival, a process previously unknown in eukaryotes. The team aims to decipher the mechanisms behind this process and its benefits for the bacteria.
Researchers at Yale University have discovered that the immune system plays a crucial role in changing behavior in response to allergens and toxins. By manipulating immune system variables, scientists were able to alter the behavior of sensitized mice, demonstrating the importance of immune recognition in controlling defensive behaviors.
Assistant Professor Daniel Becker of the University of Oklahoma has received a $10,000 grant to enhance his research on bat migration and its potential impact on human and wildlife health. The award supports his work on implanting microchips in Mexican free-tailed bats to monitor their migratory patterns.
Scientists have discovered the first live culture of Candida auris in dogs, a drug-resistant pathogen that can cause severe infections. The finding suggests pets could act as reservoirs for superbugs, potentially transmitting infections to humans.
Researchers have identified over 30 previously unknown RNA viruses in sea lice, suggesting they may play a role in controlling sea-lice populations. The viruses' ability to rapidly replicate and weaken their hosts maintains balance in nature.
A recent study found that seven per cent of Aspergillus fumigatus samples from the Three Parallel Rivers region in Yunnan, China were drug resistant, capable of propagating quickly and taking over local populations.
Researchers from Tokyo Medical and Dental University found that apple-shaped obesity is associated with cytokine storm and a higher risk of death in COVID-19 patients. The study suggests that obese patients with excess belly fat may benefit from anti-inflammatory therapies, including IL-6 blockers.
Researchers developed a primer scheme for the human monkeypox virus that can be easily integrated into existing sequencing and bioinformatics infrastructure. This approach enables public health laboratories to rapidly adapt their genomic workflows in response to new outbreaks.
Researchers from Penn Dental Medicine and UNC identify a key role for Selenomonas sputigena in causing tooth decay, particularly when partnered with Streptococcus mutans. The bacteria form protective biofilms that lead to acid production and cavity formation.
A new identification tool called IDphy has been developed to accurately identify Phytophthora species, which cause significant economic and environmental losses. The tool uses data from ex-type cultures and includes features such as an interactive key, factsheets, and a mobile app.
Researchers at York University found more pathogens and parasites in urban bee populations, leading to inbreeding and reduced genetic diversity. Conservation efforts focused on green spaces and habitat connectors can help mitigate these effects.
Researchers identify OmpU protein variants associated with antimicrobial resistance in Vibrio cholerae bacteria. Understanding the evolutionary origins of AMR can inform the development of effective therapeutics against resistant infections.
Researchers at IOCB Prague have determined the first cryo-EM structures of a surface receptor of Trypanosoma brucei gambiense in complex with human complement factor C3. This discovery sheds light on how the parasite avoids clearance from the human bloodstream and survives within the immune system.
Rheumatologists are crucial in detecting neurologic Lyme disease due to its broad spectrum of symptoms and signs. Early treatment has a favorable prognosis, but delayed diagnosis can lead to severe symptoms.
A workshop at the Santa Fe Institute explores the complex interplay of contagions, including infectious diseases, social phenomena, and online behavior. Researchers aim to develop new tools to study interactions between different types of contagion.
Researchers identified a protozoan parasite as the cause of mass sea urchin die-offs in the Caribbean, which has devastating effects on coral reefs and fish populations. Healthy coral means healthy fish, and their positive impacts continue up the food chain.
Research from Lund University shows that feeding small birds during winter reduces the need to lower body temperature, allowing them to fight infections more effectively. This study highlights the importance of access to food during winter in modulating a bird's immune response and ability to combat infection.
Acylceramides and protein-bound ceramides play a vital role in forming the oral barrier, similar to their function in the skin. Researchers found that these molecules protect against pathogens, chemicals, and allergens in mice.
Researchers tracked the evolution of Staphylococcus aureus in patients with eczema, discovering rapid mutations in a gene that enables the bacteria to grow faster on the skin. These findings could lead to targeted treatments by targeting variants of S. aureus associated with eczema symptoms.
A new study found that sunflower pollen's spiny structure reduces infection of a common bee parasite by 81-94% and increases the production of queen bumblebees. The research also suggests that other flowers in the sunflower family may have similar disease-fighting powers.
A recent study found that heavy alcohol use changes signaling pathways in the brain, affecting cognitive functions like decision-making and impulse control. The mechanism involves the brain's immune system and the molecule interleukin 1β, which regulates inflammation and neurotransmitter release.
Rice University's assistant professor of computer science, Todd Treangen, has been awarded a $599,943 National Science Foundation CAREER Award to develop a comprehensive computational platform for detecting yet-unseen microbial pathogens. The project aims to characterize previously unseen pathogens that could pose a risk to humans.
Researchers at Ritsumeikan University have made a breakthrough in understanding how macrophages recognize microplastics, discovering an interaction between aromatic rings that drives this process. The study suggests that while microplastics may not induce acute inflammation, chronic exposure could lead to autoimmune diseases.
Researchers at La Jolla Institute for Immunology have developed a high-resolution view of the LCMV glycoprotein, revealing its structure and potential vulnerabilities. The breakthrough enables the development of an engineered antibody that can prevent LCMV disease, offering a new route to treatment.
Researchers analysed wastewater from 10 cities to detect chemical and biological markers of health, including pesticides, pharmaceuticals and disease-causing viruses. The study found that analysing wastewater on a large scale could spot new outbreaks of diseases in communities early on.
The CoDe tool enables precise edits to genetic codes, making vaccines safer and more effective. It can also modulate gene expression in small sections, aiding vaccine design and basic research.
Researchers aim to optimize food bacterial detection using fluorescence detection, reducing detection time and improving sensitivity. The goal is to prevent spread of foodborne pathogens and provide a safe food supply.
Researchers at Texas A&M University have created a new method to monitor flocculation and mixing in real-time, allowing for more precise control over the process. This technique reduces energy consumption by halving the workload and improving precision.
A longitudinal study reveals Yersinia pestis, the bacteria that causes plague, was reintroduced into the Danish population from other parts of Europe again and again, with devastating effects. The analysis, reported today in Current Biology, identified plague for the first time from medieval Denmark.
A North Carolina State University study shows that yam seeds wrapped in a biodegradable paper made from banana fibers and cardboard grow larger and more abundantly than those without the paper. The 'wrap-and-plant' method also reduces post-harvest loss by minimizing nematode pest effects.
Researchers analyzed data on European travellers arriving from Africa between 2015 and 2019, finding malaria as the most common arthropod-borne disease. The study highlights the importance of using travellers' health data to complement local surveillance systems in Africa.
Researchers explore CEACAM1, CEACAM5, and CEACAM6's pathological significance in cancer biology and immunology. The review highlights their interactions with pathogens and potential avenues for cancer therapy.
A genomic study of the Seattle 2017-2022 Shigella outbreak revealed its origin as international travelers from areas where Shigella was common. The study also found that multi-drug resistant Shigella has become a growing global health concern, primarily affecting men who have sex with men and those experiencing homelessness.
A team of researchers from Chung-Ang University evaluated three different MALDI-TOF MS approaches used in domestic clinical settings for the identification of molds. They compared the performance and diagnostic accuracy of the Bruker Biotyper, ASTA MicroIDSys, and Vitek MS instruments.
Researcher Dana Hawley found that finches with mild and strong conjunctivitis symptoms spread a pathogen at higher rates than healthy birds. This suggests that pathogens can evolve to cause more harm to their hosts, leading to increased transmission.
A new study found that COVID-19 primarily affected patients with a moderate to critical course, often with comorbidities, whereas many had mild courses despite metastatic melanoma and systemic therapy, recommending continued treatment whenever possible.
Researchers at Texas A&M University are testing Raman spectroscopy as a diagnostic tool for Lyme disease, which shows promise in accurately identifying infected individuals. The new test could improve Lyme disease diagnosis and treatment outcomes for both humans and animals.
Researchers developed a new way to study the sensory system used by pathogenic bacteria to infect humans. They screened thousands of peptides against a bacterial sensor and discovered 13 new human antimicrobial peptides (AMPs) that activate the sensor. The findings suggest an arms race between humans and bacteria, with each evolving ne...
Researchers found that lncRNA MVIH is overexpressed in cervical cancer tumors and associated with younger age, lymph node metastasis, tumor invasion depth, and squamous cell type. This suggests its potential as a diagnostic biomarker for cervical cancer.
Researchers at UNIGE and LMU discovered that immune system's anti-tumour activity peaks in the morning. Tumours implanted at night grew faster than those implanted in the afternoon. Administering immunotherapy treatments early morning significantly enhanced their effectiveness, suggesting a new strategy for cancer treatment.
Researchers at KAUST have discovered a key protein that acts as a master switch for plant immunity, suggesting a simpler way to develop more resilient crops. The protein, OXI1, triggers the production of immune-promoting molecules, but its overactivity can harm plants.
Researchers develop a new method to track disease-carrying mosquitoes by ingesting harmless DNA particles, providing unique fingerprints of information. This innovative approach has the potential to revolutionize mosquito-borne disease surveillance and tracking, offering insights into mosquito movement and hotspots.