All USA & Canada articles – Page 61
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NewsNew evidence for a connection between antibiotic use and autoimmune diseases
A new connection has been revealed between depletion of gut bacteria caused by antibiotics and development of autoimmune diseases. Clearance of dead cells involves not only local signals from within a tissue but also distant signals from other parts of the body.
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NewsNew genetic editing technique could modify wild populations with less risk
A new technique developed by researchers from Macquarie University and the California Institute of Technology described in Nature Communications on 13 August could allow scientists to more simply and controllably alter the genetic makeup of wild populations than with the use of gene-drives. Coral in Nagoya Aquarium Japan. ...
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NewsNanoparticle platform offers step toward more effective Covid and HIV vaccines
Researchers have developed a nanoparticle platform that could make existing vaccines more effective, including those for influenza, COVID-19, and HIV.
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NewsNew study looks at drug exposures of COVID-19 therapy for pregnant women
A new study provides important insights into the pharmacokinetics and safety of intravenous remdesivir in treating the SARS-CoV-2 coronavirus in pregnant women.
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NewsHospital awarded $12m to study best approach to treat mild pneumonia in young children
Ann & Robert H. Lurie Children’s Hospital of Chicago, in partnership with University of Utah Health, has been approved for $12 million in research funding for a study that will compare two ways to use antibiotics in young children with mild pneumonia.
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NewsLargest study of its kind finds common lab tests aren’t reliable for diagnosing Long COVID
A new study found that most routine laboratory tests are not reliable for diagnosing Long Covid, also known as Post-Acute Sequelae of SARS-CoV-2 infection (PASC).
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NewsStudy reveals oleoyl-ACP-hydrolase underpins lethal respiratory viral disease
Respiratory infections can be severe, even deadly, in some individuals, but not in others. Scientists have gained new understanding of why this is the case by uncovering an early molecular driver that underpins fatal disease.
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NewsLong Covid continues to evade diagnosis
A national cohort study of adult US participants with and without prior SARS-CoV-2 infection found that there are no objective tests to accurately diagnose post-acute sequelae of SARS-CoV-2 infection (PASC), also known as Long Covid.
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NewsRecurrent wheezing in children linked to ‘silent’ lung infections
Nearly a quarter of children with recurrent wheezing have “silent” lung infections without symptoms, new research reveals. That finding could have big effects on how the condition is treated.
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NewsResearchers find unexpectedly large methane source in overlooked landscape
Researchers reported that upland landscapes were releasing some of the highest methane emissions yet documented among northern terrestrial ecosystems. The research was sparked when a greenhouse gas began ballooning under lawns in Fairbanks.
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NewsStudy shows donor kidneys with toxoplasma do not increase risks for transplant patients
Researchers have found that transplant patients who receive kidneys infected with the parasite toxoplasma have virtually the same outcomes as those who receive toxoplasma-negative organs.
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NewsResearch aims to streamline the detection of foodborne viruses
A research team has received a USDA grant to develop rapid, portable, single-tube technology to help maintain safety of the food supply.
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NewsResearchers launch study into probiotics and prebiotics in bone health of older women
A clinical food trial will test whether a combination of probiotics and prebiotics will help in the management of bone health in women aged 60 years and above.
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NewsBacteria encode hidden genes outside their genome - so do we?
A new study shows that bacteria can create free-floating and ephemeral genes, raising the possibility that similar genes exist outside of our own genome.
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NewsInfected bacteria fight back with ‘hidden’ genes that halt cell growth, slow viral spread
Researchers have uncovered a surprising way bacteria defend themselves: when a bacterium is infected, bacterial enzymes that copy genetic information from RNA into DNA synthesize genes whose protein products help shut down cell growth.
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NewsMarine algae use massive enzymes of unprecedented size to biosynthesize fish-killing toxins
Marine algae Prymnesium parvum use massive enzymes dubbed PKZILLAs – some of the largest proteins ever to be identified in nature – to make large and complex prymnesin neurotoxins responsible for mass fish kills during harmful algal blooms worldwide.
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NewsFungi elude antifungal treatments by restructuring cell walls
A new multi-institutional study has characterized how fungi adapt to restructure their cell walls, effectively thwarting current antifungal medications. This new information opens opportunities to devise more effective use of antifungal drugs.
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NewsDo smells prime our gut to fight off infection?
A recent study shows that the nematode C. elegans reacts to the odor of pathogenic bacteria by preparing its intestinal cells to withstand a potential onslaught.
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NewsScientists get to the bottom of COVID’s worst pediatric complication
Scientists investigating multisystem inflammatory syndrome in children (MIS-C) found their immune systems had latched onto a part of the coronavirus that closely resembles a protein found in their bodies, launching an attack on their own tissues.
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NewsAttitudes such as distrust of government can cause swine farmers to resist animal biosecurity
The first study of how swine farmers’ attitudes affect biosecurity shows that farmers attending just one biosecurity education event led to improved farm biosecurity.