All USA & Canada articles – Page 39
-
NewsExposing a hidden anchor for HIV replication
Scientists investigating HIV have revealed a previously unknown role for the viral protein integrase, which helps HIV insert itself into human DNA. A new study provides the first direct evidence that integrase plays a critical structural role earlier on in HIV’s life cycle — when the virus matures into an infectious force.
-
NewsGlobal scientific paper establishes first consensus definition of gut health
A global group of 13 scientists and clinicians is helping establish clarity by publishing a consensus definition of gut health. They define gut health as “a state of normal gastrointestinal function without active gastrointestinal disease and gut-related symptoms that affect quality of life.”
-
NewsComplexity key to preventing infection after heart surgery
Research indicates that uniform materials could be the culprit behind deadly infections that can occur when using synthetic materials for cardiovascular grafts.
-
NewsMacrophage immune cells need constant reminders to retain memories of prior infections
Researchers have discovered that immune cells known as macrophages remain poised to fight repeat infections due to the persistent presence of signaling molecules left behind during previous infections.
-
NewsPower grids to epidemics: study shows small patterns trigger systemic failures
Why do some systems collapse suddenly after what seems like a minor disturbance? In nature, a local disease outbreak can quickly escalate into an epidemic. New research suggests that in many cases, the key isn’t the entire system – but its smallest building blocks.
-
NewsCOVID-19 vaccination during pregnancy may help prevent preeclampsia
A new multinational study has found that COVID-19 vaccination during pregnancy, particularly when combined with a booster dose, significantly reduces the risk of preeclampsia, a serious and potentially life-threatening pregnancy complication.
-
NewsMicrobes harvest metals from meteorites aboard space station
Microorganisms can harvest crucial minerals from rocks and could provide a sustainable alternative to transporting much-needed resources from Earth. Researchers have studied how those microorganisms extract platinum group elements from a meteorite in microgravity, with an experiment conducted aboard the International Space Station.
-
NewsHow bacteria may promote breast cancer
Researchers have discovered how certain pathogenic bacteria in gut and breast tissue can promote breast cancer development and progression by hijacking a key metabolic enzyme known as spermine oxidase (SMOX).
-
NewsScientists develop first-of-its-kind antibody to block Epstein Barr virus
Using mice with human antibody genes, scientists have developed new genetically human monoclonal antibodies that prevent two key antigens on the surface of the Epstein Barr virus (EBV) from binding to and entering human immune cells.
-
NewsStrategic changes in water treatment could prevent disease outbreaks
A breakthrough new study shows how strategic changes in water treatment effectively treated a deadly outbreak of Legionnaires’ Disease. For the first time, the study provides evidence of an outbreak being stopped by introducing disinfection to previously untreated groundwater.
-
NewsNew biosensor offers early warning system for disease
Researchers have developed a tissue-adhesive sensor for real-time oral health monitoring to combat long-term issues such as gum disease and tooth loss.
-
NewsImmunity against common virus leveraged against pancreatic cancer
Researchers have discovered a promising new treatment approach for pancreatic cancer. The approach leverages the body’s natural immune response to cytomegalovirus (CMV), a common but typically harmless virus that most people are infected with at some point in their lives.
-
NewsBeneficial bacterium deployed to protect turfgrass from fungal foes
A novel strain of Bacillus subtilis helps a variety of plants resist soil‑borne diseases, retain moisture and develop stronger root‑to‑shoot growth. New findings on the effect of UD1022 on dollar spot disease suggests intriguing implications for manufacturing of biological treatments for the fungal disease.
-
NewsRich medieval Danes bought graves ‘closer to God’ despite leprosy stigma, archaeologists find
Researchers used gravesites to investigate social exclusion based on illness, by studying whether people with leprosy or tuberculosis were kept out of the higher-status areas. Unexpectedly, they found that people who were ill with stigmatized diseases were buried just as prominently as their peers.
-
NewsNo association between mRNA COVID-19 vaccination during pregnancy and autism in children, new research shows
The mRNA COVID-19 vaccine is not associated with autism or other neurodevelopmental problems in children whose mothers received the vaccine immediately before or during pregnancy, according to new research.
-
NewsProposals for exploring viruses and skin as the next experimental quantum frontiers share US$30,000 science award
Viruses exist at the boundary between living and non-living matter, while skin is a living interface between physics and biology, making them perfect—but until now overlooked—arenas for testing the interplay between quantum physics, biology and life.
-
NewsBasic research on Listeria bacteria leads to unique cancer therapy
After nearly 40 years of research on how Listeria bacteria manipulate our cells and battle our immune system to cause listeriosis, researchers have discovered a way to turn the bacteria into a potent booster of the immune system — and a potential weapon against cancer.
-
NewsChildren with Crohn’s have distinct gut bacteria from kids with other digestive disorders
Researchers have found a “microbial signature” of pediatric Crohn’s disease that differs from the makeup of gut bacteria in children with other gastrointestinal conditions, with Crohn’s patients harboring more pro-inflammatory bacteria and less protective bacteria.
-
NewsManagement practices can enhance soil microbiome functions in plant defense
Researchers analyzed surveys and soil samples from 85 organic farmers in New York to investigate the interaction between beliefs, management practices, and soil microbiome functions.
-
NewsBack from blight: Genomics offers a faster path to restoring the American chestnut
After more than a century of devastation from deadly blight, the iconic American chestnut tree could be brought back from the brink of extinction thanks to novel genomic tools and carefully bred hybrids, a new study finds.