All USA & Canada articles – Page 64
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NewsStudy reveals how virus hijacks insect sperm to control disease vectors and pests
A new study reveals how viral proteins from symbiotic bacteria cause sterility in insects.
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NewsResearch reveals novel herpesvirus in South American pinnipeds
Scientists detected Otariid gammaherpesvirus 1 (OtGHV1) in free-ranging South American pinnipeds, and a novel herpesvirus Otariid gammaherpesvirus 8 (OtGHV8) in South American sea lions (Otaria byronia) in the Southern Hemisphere.
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NewsIndustrious communities can create cheaters, even in bacteria
These colorful patterns are proof that bacteria and humans aren’t all that different — both harbor individuals that will take the easy way out when given the chance. And that lifestyle can quickly spread to the detriment of all.
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NewsScientists ID new genus of fungi on grasses
This study examined a mushroom species, Campanella subdendrophora, also known as Tetrapyrgos subdendrophora, which fruits on grasses in the US Pacific Northwest, and determined that a new genus, Metacampanella was needed for this taxon.
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NewsLong-acting HIV treatment benefits adults with barriers to daily pill taking and adolescents with suppressed HIV
Long-acting, injectable antiretroviral therapy (ART) suppressed HIV replication better than oral ART in people who had previously experienced challenges taking daily oral regimens and was found safe in adolescents with HIV viral suppression.
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NewsFirst atom-level structure of packaged viral genome reveals new properties, dynamics
A computational model of the more than 26 million atoms in a DNA-packed viral capsid expands our understanding of virus structure and DNA dynamics, insights that could provide new research avenues and drug targets, researchers report.
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NewsResearchers show viral infections pose early heart risks
Myocarditis is often triggered by the body’s immune response to a viral infection, but a new study shows that the virus itself creates potentially dangerous conditions in the heart before inflammation sets in.
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NewsVaccinated people had lower risk of severe COVID-19 outcomes
Among people who had COVID-19, those who previously received the latest vaccine had a lower risk of having a severe outcome than those who had not, according to new research.
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NewsChildren surpass a year of HIV remission after treatment pause
Four children have remained free of detectable HIV for more than one year after their antiretroviral therapy (ART) was paused to see if they could achieve HIV remission.
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NewsMarine algae implants could boost crop yields
Scientists have discovered the gene that enables marine algae to make a unique type of chlorophyll. They successfully implanted this gene in a land plant, paving the way for better crop yields on less land. Source: Robert Jinkerson/Tingting Xiang/UCR Fluorescence image of coral Acropora juvenile polyps hosting the ...
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NewsBreakthrough discovery will improve medical monitoring, preventive care for elephants
Researchers have found that population-based reference values for blood cell counts are not sensitive enough to detect critical deviations that frequently occur with active Elephant Endotheliotropic Herpesvirus infection.
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NewsBreastfeeding after COVID-19 booster can give babies antibodies
Lactating mothers who get the COVID-19 booster pass along the antibodies to their children via their breast milk – and potentially protect babies too young to receive the vaccine.
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NewsScientists report positive immune response against mpox using a vaccine
Scientists at one of the largest cancer research and treatment organizations in the United States show that its COVID-19 vaccine also protects against mpox.
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NewsStudy supports disease-challenged broiler chickens through nutrition
New research suggests diet changes might help to ensure optimal growth during outbreaks of the parasitic infection coccidiosis in broiler chickens.
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NewsZika vaccine safe, effective when administered during pregnancy
A vaccine against Zika virus is safe and effective when administered both before and during pregnancy, according to new research.
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NewsFaster and simpler point-of-care malaria test developed
Researchers have developed a rapid, accurate test for diagnosing malaria that is significantly faster and easier to use than traditional tests. The advancement has the potential to improve patient outcomes, especially in rural regions with limited health care resources.
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NewsScientists discover 18 new species of gut microbes in search for origins of antibiotic resistance
Scientists have found 18 novel species of a type of bacteria called enterococci, which are gut microbes found in most land animals.
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NewsMicrobial viruses act as secret drivers of climate change
In a new study, scientists have discovered that viruses that infect microbes contribute to climate change by playing a key role in cycling methane, a potent greenhouse gas, through the environment.
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NewsResearchers uncover how virus causes cancer, point to potential treatment
Kaposi sarcoma-associated herpesvirus activates a specific pathway to drive viral persistent infection and cell growth, paving the way for tumors to form.
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NewsScientists reveal how first cells could have formed on Earth
A new phospholipid discovery brings researchers closer to understanding how primordial cells emerged during origin of life.