All USA & Canada articles – Page 6
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Toxoplasma gondii parasite uses unconventional method to make proteins for evasion of drug treatment
A new study sheds new light on how Toxoplasma gondii parasites make the proteins they need to enter a dormant stage that allows them to escape drug treatment.
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Controlling infectious disease between wildlife and livestock on shared rangeland
New research looks at the nexus of wildlife and livestock for solutions to zoonotic disease. It examines the ongoing threat of emerging pathogens that can necessitate prompt deployment of medical countermeasures for life-saving interventions.
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Study offers insight into chloroplast evolution
Researchers have found evidence suggesting that the primary role of primitive chloroplasts may have been to produce chemical energy for the cell and only later shifted so that most or all of the energy they generated was used for carbon assimilation.
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A team of scientists join forces for the fight against deadly childhood disease
A global consortium of scientists has been tasked with better understanding the scale of Shigella infections and the role of antibiotic resistance in seven countries.
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Study reveals how ‘Conan the Bacterium’ withstands extreme radiation
Deinococcus radiodurans can withstand radiation doses thousands of times higher than what would kill a human - and scientists have uncovered the secrets of the antioxidant that confers this protection.
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Tiny poops in the ocean may help solve the carbon problem
Zooplankton could capture carbon dioxide originating from Earth’s atmosphere and deposit it deep into the sea as feces. The new technique mooted consists of spraying clay dust on the surface of the ocean at the site of large blooms of phytoplankton.
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Climate change could bring more severe bacterial infections, including in corals
A new study shows that climate warming can potentially make bacterial and fungal infections deadlier for cold-blooded animals like corals, insects, and fish, raising questions about the broader risks warming temperatures pose to ecosystems and biodiversity—and potentially humans.
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Common food poison toxin speeds colon cancer spread
A toxin in the bacteria that’s one of the most common causes of foodborne illness accelerates the spread of colorectal tumors to other parts of the body, a study has found.
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New study highlights rise in severe Shigella infections among homeless patients in Vancouver
A recent study has uncovered an increase in severe multidrug-resistant (MDR) Shigella sonnei infections, particularly among people experiencing homelessness (PEH) in Vancouver, Canada.
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First mouse strain that is susceptible to severe COVID-19 without genetic modification is IDed
Mice with a genetically pure background are susceptible to severe SARS-CoV-2 infection, providing an essential tool to develop vaccines and therapeutics for future coronavirus variants and potential pandemics
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Researchers find rotavirus vaccine is safe for use in NICU babies
Transmission of rotavirus vaccine strains in a neonatal intensive care unit (NICU) is rare and without clinical consequences, suggesting that giving the rotavirus vaccine to eligible infants during their hospitalization provides immune benefits that outweigh any risks.
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Research yields new model for replication of BKPyV virus, a major cause of kidney transplant failure
There are no effective antivirals against BK polyomavirus in transplanted kidneys. A better understanding of its replication will offer new ways to protect those kidneys.
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Mutation could facilitate H5N1 bird flu virus infection and potential transmission in humans
A recent study reveals that a single mutation in the H5N1 bird flu virus that has recently infected dairy cows in the U.S. could enhance the virus’ ability to attach to human cells, potentially increasing the risk of passing from person to person.
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Enterococcus helps E. coli ‘armor up’ in dog, poultry co-infections
A new study finds that two subtypes of pathogenic E. coli produce 5 to 16 times more protective capsular “slime” when Enterococcus faecalis is present.
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Bacterial ‘biopesticide’ against malaria mosquitoes successful in early field tests
An experimental bacteria-derived biopesticide is highly effective in killing malaria-carrying mosquitoes, including those that have developed resistance to chemical pesticides, according to initial field tests.
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Do soil microbes affect flowers’ ability to attract bees?
New research reveals that certain soil microbes can help plants grow bigger flowers, therefore attracting more bees.
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How a middle schooler found a new compound in goose feces
Middle schoolers through a partnership with a local univeristy, collected and analyzed environmental samples to find new antibiotic candidates. One unique sample, goose feces collected at a local park, had a bacterium that showed antibiotic activity.
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Covid-19 virus can damage the retina - even without severe respiratory disease
An experimental study in mice shows that SARS-CoV-2 infection can damage the retinas, with long-term implications for vision.
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Fungal structures could be deployed in aerospace industry
Manufacturing a material that mimics mushrooms and other fungal structures could provide opportunities in any number of areas, ranging from aerospace engineering to clothing production.
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Study untangles how COVID-19 wreaks widespread damage in the body
A new study sheds light on the pathways that drive organ damage and death in severe COVID-19 and helps explain why survivors of the disease can experience long-term complications.