All USA & Canada articles – Page 53
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Leading scientists issue ‘gain of function’ recommendations
A workshop of leading scientists has reviewed the benefits and risks of ’gain of function’ research, and proposed a foundation to guide discussions and improve oversight moving forward.
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Surveillance system detected infection linked to eye drops months before outbreak declared
An infectious diseases surveillance system successfully flagged cases of a drug-resistant infection spread by eye drops months before national public health officials announced an outbreak.
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Two autopsies reveal secrets of HIV reservoirs
A research team shows for the first time that HIV reservoirs are concentrated in the spleen and lymph nodes, and that they can travel throughout the body.
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Self-decontaminating fabric burns out viruses but is safe for skin
A new material that packs deadly heat for viruses on its outer surface while staying cool on the reverse side could transform the way we make and use personal protective equipment (PPE).
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Malaria parasites resistant to treatment and detection emerge in Ethiopia
Genomic surveillance by scientists has revealed mutations in malaria-causing parasites that will complicate efforts to eradicate the disease in Africa.
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New strains of influenza A virus in pigs potentially pose pandemic risk
A new study addresses gaps in understanding of swine influenza A virus evolution and highlights need for early warning of disease emergence.
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New at-home test for gingivitis protects oral health
Engineers at the University of Cincinnati have developed a new device that can warn consumers about early risks of tooth decay from diseases such as gingivitis and periodontitis.
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Genetic tools probe minuscule bacteria that live on surface of larger bacteria
Scientists have elucidated genes needed for the unusual lifestyle of miniscule bacteria that live on the surface of larger bacteria.
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Hypervirulent bacteria emerging in healthy people
New ’hypervirulent’ strains of the bacterium Klebsiella pneumoniae have emerged in healthy people in community settings, prompting researchers to investigate how the human immune system defends against infection.
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3D-printed ‘living material’ waffles could clean up contaminated water
Researchers have developed a new type of material, combining a seaweed-based polymer with engineered bacteria, that could offer a sustainable and eco-friendly solution to clean pollutants from water.
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Chagas research unravels mystery of how the tropical disease progresses
Researchers have established a link between disease progression in Chagas disease and parasite strain diversity.
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Post-Idalia floodwaters may harbour flesh-eating bacteria
Following the devastation of Hurricane Idalia, health authorities are urgently cautioning beachgoers to remain vigilant as floodwaters may harbour Vibrio vulnificus, a rare and deadly flesh-eating bacterium.
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Intestinal bacteria release molecular ‘brake’ on weight gain
Bacteria that live in the intestines inhibit a molecule that limits the amount of fat absorbed, increasing weight gain in mice fed a high-sugar, high-fat diet, researchers report.
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Mould and algae blooms cited by patients as triggers for chemical intolerance
Toxic mould spawned by the moisture left behind by flood waters from Hurricane Idalia could lead to severe health problems for people who suffer from chemical intolerance, scientists have warned.
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Covid pandemic may have changed gut bacteria of infants
Infants who spent most of their first year in the pandemic have fewer types of bacteria in their gut than infants born earlier, according to a team of developmental psychology researchers.
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Study reveals how leishmaniasis vaccines work at molecular level
Researchers have determined how these vaccine candidates for leishmaniasis prompt molecular-level changes in host cells that have specific roles in helping generate the immune response.
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Map the coronavirus spike protein for insight into vaccine development
A new study has found that the fusion peptide in the spike protein plays a more invasive role in fusing the virus to the cell than previously thought, which is significant in understanding how infection occurs.
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Optics and AI find viruses faster
Researchers have developed an automated version of the viral plaque assay, the gold-standard method for detecting and quantifying viruses.
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Human milk-based synbiotic safely modulates damaged adult gut microbiomes
Bacteria found in the gut of nursing infants, combined with certain sugars from human milk, may enable ‘precision microbiome engineering’ as live biotherapeutics.
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Pioneering microbiology journal appoints 14 new junior editors in drive to nurture early careers talent
Applied Microbiology International (AMI) is boosting training and development opportunities for early career scientists in journal publishing with the appointment of 14 new junior editors on its flagship journal Letters in Applied Microbiology (LAM).