More USA & Canada News – Page 119
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NewsSpaceflight could alter behaviour of human microbiome, bobtail squid study suggests
Microgravity changes how effectively symbiotic bacteria colonise the light organ of the bobtail squid, according to a new study which has implications for how the human microbiome may respond to spaceflight. Source: Joseph Emhof Bobtail squid just after hatching The research by a University of Florida team, ...
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NewsGenetic fingerprint suggests cutaneous leishmaniasis may be gaining foothold in US
Analysis reveals DNA evidence of a US-acquired strain of cutaneous leishmaniasis - the prospect of a growing threat comes amidst concerns that domestic sand flies could acquire a deadly form of the disease via dog imports.
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News‘Subway map’ of Lyme disease pathways IDs potential treatment targets
Researchers have developed a genome-scale metabolic model of key metabolic activities of the bacterium that causes Lyme disease, successfully identifying two compounds that selectively target routes only used by Lyme disease to infect a host.
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NewsResearchers discover associations among PTSD, diet, and the gut microbiome
A new study suggests that adhering to a Mediterranean diet may alleviate or prevent posttraumatic stress disorder (PTSD) symptoms.
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NewsYeast speeds discovery of medicinal compounds in plants
Researchers have harnessed the power of baker’s yeast to create a cost-effective and highly efficient approach for unraveling how plants synthesize medicinal compounds, and used the new method to identify key enzymes in a kratom tree.
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NewsGermicidal UV lights could be producing indoor air pollutants, study finds
While useful for killing pathogens including SARS-CoV-2, the lights may cause unwanted chemical reactions and should be used with ventilation, researchers say.
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NewsSingle vaccine protects against three deadly strains of coronavirus
A vaccine designed to protect against three different deadly coronaviruses shows success in mouse studies.
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NewsOndine Biomedical Inc announces study showing photodisinfection reduces resistant bacteria by >99.9%
Canadian life sciences company Ondine Biomedical Inc. has presented new research showing that Steriwave® photodisinfection reduced antibiotic-resistant bacteria by more than 99.9%.
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NewsResearchers receive $423,500 for study to improve outcomes from fungal infections
Researchers have received a $423,500 for research aimed at reducing disease and mortality rates associated with Aspergillus infections by focusing on the molecular pathways in the fungus that mediate inflammatory host responses.
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NewsStudy demonstrates antimicrobial action of polyalthic acid from copaiba oil
Polyalthic acid from copaiba oil is an effective antibacterial and should be used to develop alternative medications that can contribute to the effort to overcome antimicrobial resistance, according to a new study.
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NewsPathogen that plagues food processing plants eradicated by blue light
Blue light kills both dried cells and biofilms of the pathogen Listeria monocytogenes, a frequent contaminant of food processing facilities, according to a new study.
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NewsViral persistence and serotonin reduction can cause long COVID symptoms
Components of the SARS-CoV-2 virus remain in the gut of some long COVID patients, causing persistent inflammation, vagus nerve dysfunction, and neurological symptoms.
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NewsFungal infection in the brain produces changes like those seen in Alzheimer’s disease
Researchers have discovered how the fungus Candida albicans enters the brain, activates two separate mechanisms in brain cells that promote its clearance, and generates amyloid beta (Ab)-like peptides.
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NewsResearchers awarded $2m to create carbon-negative ‘living’ construction materials
Researchers are working towards a future when homes and other buildings can be constructed using low-cost, sustainable materials that also can repair themselves and capture carbon dioxide from the atmosphere.
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NewsFlesh-eating bacteria found in Florida’s coastal waters following Hurricane Ian
When Hurricane Ian struck southwest Florida in September 2022, it unleashed a variety of Vibrio bacteria that can cause illness and death in humans, according to a new study.
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NewsClinical trial finds live vaccinations safe for liver and kidney transplant recipients
Live vaccinations provided to children who previously received liver or kidney transplants were found to be safe and prompted an immune response to guard against several life-threatening conditions.
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NewsBat immune genes protect against COVID and cancer
Bats have acquired remarkable traits throughout their evolution. They’re the only mammals that can fly, and they live much longer than other animals their size. But perhaps most impressive is their robust immune system. It protects bats from viruses that wreak havoc in humans, like COVID-19 or Ebola, and also ...
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News Targeting a coronavirus ion channel could yield new Covid-19 drugs
Chemists discover the structures of open and closed states of the channel, which could help the development of antiviral drugs to reduce inflammation.
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NewsStudy reveals how inner machinery of yeast cells responds to stress
Researchers have combined state-of-the-art imaging techniques to see how cells conserve energy and pick up where they left off after heat shock.
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NewsNew research points out ways to improve tuberculosis vaccines
A new study unveils a previously unappreciated role for a class of immune cells in the early stages of tuberculosis (TB) infection.