All USA & Canada articles – Page 55
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Tests of new antifungal therapy for fungal meningitis are successful
Researchers have successfully tested a new oral formulation of the antifungal medication amphotericin among people who had HIV and cryptococcal meningitis - a common fungal infection around the brain.
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High-fat diets alter gut bacteria, boosting colorectal cancer risk in mice
Scientists have pinpointed specific microbes and bile acids that become more prevalent in the guts of mice fed high-fat diets.
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Energy depleting mechanism immunizes bacteria against phages
Researchers have described a new family of proteins that deplete cells of their energy, thereby protecting the cells from invaders. The previously unknown immune mechanism is used by many living creatures, from bacteria to bees.
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Protective particles allow engineered probiotics to report gut disease
Bioengineers have developed a platform that allows engineered biosensor bacteria safe passage through the gastrointestinal (GI) tract in an animal model.
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Common wristbands are hotbed for harmful bacteria
A new study tested various textures of wristbands and their ability to harbour harmful pathogenic bacteria.
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Racial and ethnic differences in gut microbiome emerge at 3 months old
Gut microbiome variation associated with race and ethnicity arises after three months of age and persists through childhood, according to a new study.
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Common cold virus exposure may help usher in immunity to Covid
Exposure to common cold-causing coronaviruses may contribute to pre-existing immunity to COVID-19, according to a new study.
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Tubing and swimming change the chemistry and microbiome of streams
Scientists have reported preliminary results showing that tubing and swimming can alter the chemical and microbial fingerprint of streams, but the environmental and health ramifications are not yet known.
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Gut microbiome can increase risk and severity of HIV and EBV disease
Researchers have shown that the microbiome has a significant impact on the acquisition of Epstein-Barr virus (EBV) and human immunodeficiency virus-1 (HIV) infection and plays a role in the course of disease.
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Scientists reveal inner workings of Ebola’s ‘viral factories’
A new study reveals how the Ebola virus’s replication machinery forms fascinating microscopic structures inside host cells that become viral factories.
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Academic-private partnership aims to reduce toxic effects of deadly C. diff
The Center for One Health Research and Nectagen Inc. have received a nearly $275,000 grant to study whether synthetic proteins developed by Nectagen can reduce the toxicity of the digestive bacterium.
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Some phytoplankton can blitz neurotoxin methylmercury - even in the dark
In the search for ways to fight methylmercury in global waterways, scientists have discovered that some forms of phytoplankton are good at degrading the potent neurotoxin - even in the absence of sunlight.
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Molnupiravir dose of human effect size-equivalent blocks Covid transmission in ferrets
Two oral drugs provide equivalent therapeutic benefit in preventing severe COVID-19 in animal models, but only molnupiravir efficiently blocked SARS-CoV-2 transmission when administered at a human effect size-equivalent dose.
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Synthetic antibiotic could be effective against drug-resistant superbugs
Researchers have found a new antibiotic strategy to defeat gram-negative bacteria like Salmonella, Pseudomonas and E. coli, making use of a synthetic molecule that works fast and is durable in animal tests.
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Engineered probiotic developed to treat multiple sclerosis
Researchers are working on a new approach to target autoimmunity in the brain, leveraging designer bacteria to make treatment safer and more effective.
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Modulating type 1 Interferon may expand treatment options for COVID-19
Researchers have, for the first time in nonhuman primates, studied how modulating the signaling of type 1 Interferon (IFN-I), one of the body’s initial defenses against infection, impacts SARS-CoV-2 viral replication and disease progression.
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Researchers find chink in the armour of tuberculosis pathogen
Discovery of drug resistance network could clear way for developing a drug to prevent pathogen from resisting and tolerating tuberculosis treatment.
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AMR poses threat in all 35 countries in the Americas
569,000 deaths were linked to bacterial antimicrobial resistance in all 35 countries of the WHO Region of the Americas, according to a new study.
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Egyptian cotton gene grants powerful resistance to resurging blight
An overlooked gene found in Egyptian cotton confers powerful resistance to bacterial blight, a plant disease that is threatening cotton production worldwide.
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Flu deaths rise when pro sports teams move into cities
West Virginia University economists, whose research shows flu deaths increase when a city becomes home to a new professional sports team, say their data should make even the biggest fans reconsider support for taxpayer-funded stadium subsidies.