All USA & Canada articles – Page 24
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NewsResearchers track the mutations that allow HIV-1 to escape broadly neutralizing antibodies
Scientists have established the most comprehensive view to date of how HIV-1 can escape broadly neutralizing antibodies. They have discovered viral mutations that make HIV-1 strains resistant to two bNAbs, 3BNC117 and 10-1074.
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NewsThawing Arctic soil awakens only half of soil microbes, new study reveals
A study shows that even after months of thawing, around half of the microorganisms in High Arctic soils remain dormant. This challenges the assumption that warming uniformly boosts microbial activity and carbon release from thawing permafrost.
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NewsAnti-CRISPR stops the protein assembly line in bacteria
Bacteria fend off invading viruses with molecular scissors that slice up viral DNA, but viruses can fight back with a molecular trick that stops the scissors from ever being made. A viral “anti-CRISPR” protein sits on the ribosome and jams it as a CRISPR protein named Cas12 begins to form.
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NewsMouse study suggests high-fat diets during pregnancy worsen severe GI illness in preterm babies
A new mouse study suggests a link between a high-fat prenatal diet and induction of potentially deadly symptoms of necrotizing enterocolitis (NEC) in premature babies.
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NewsScientists take crucial step in developing world’s first measles treatment
Scientists have characterized human antibodies capable of neutralizing measles virus. These antibodies bind to key sites on measles virus and prevent the virus from entering host cells.
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NewsGlobal outbreaks may fuel violence against women — but most cases go unmeasured
Violence against women and girls may increase during infectious disease outbreaks — as economic strain, isolation and disrupted services reshape daily life — yet those impacts remain largely unmeasured, according to a new study.
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NewsScientists discover how gut bacteria toxin invades colon cells to trigger cancer
A common gut bacterium, Bacteroides fragilis, drives colon tumor formation, potentially leading to colorectal cancer, by secreting a toxin that damages the lining of the colon. Researchers have now shown that the B. fragilis toxin BFT must first bind host receptor claudin-4 before it can cause damage.
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NewsBoyce Thompson Institute names Dr. Natalie Hoffmann inaugural Jane Silverthorne Postdoctoral Fellow
How do beneficial fungi grow into and through plant cells without destroying them in the process? That question sits at the center of Dr. Natalie Hoffmann’s research – and it’s what earned her the inaugural Jane Silverthorne Postdoctoral Fellowship at the Boyce Thompson Institute (BTI).
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News‘Atomic snapshots’ of proofreading enzyme could lead to better COVID-19 drugs
A research team used images generated by a cryogenic electron microscope (cryo-EM) to observe the interplay between SARS-CoV-2 proofreading enzyme exoribonuclease (ExoN) and RNA incorporated with antivirals such as remdesivir, sofosbuvir and bemnifosbuvir.
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NewsSeasonal COVID-19 vaccination in 2025/26 reduced risk of illness by half in Canada
An interim analysis estimates that the COVID-19 vaccine for the 2025/26 season reduced the risk of illness in Canada by about half at about 9 weeks after vaccination, offering protection beyond the vaccine’s target strain.
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NewsResearchers find diagnostic delays are common for US pediatric patients with malaria
Researchers found that more than one in four pediatric patients treated for malaria in the United States had a delay in their initial diagnosis, increasing the risk of more severe infection.
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NewsThe Nexus of Food Systems, Ecosystems and Human Health: Sign up for our fascinating free webinar!
What if health is not produced by humans alone, but co-created with the ecosystems, organisms, and food systems we depend on? A fascinating free webinar will explore how microbes connect people to food systems and the ecosystems that undergird food production.
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NewsLight without electricity? Glowing algae could make it possible
Researchers successfully turned on the “light switch” in algae and kept them lit up using simple chemical solutions. The finding opens the door for future technologies such as autonomous robots that can operate in dark environments and living sensors for water quality.
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NewsHead impacts associated with altered gut microbiome in football players
Non-concussive head impacts—hits to the head that don’t cause clinically detectable symptoms—are correlated with subsequent changes to the gut microbiome in a small sample of US collegiate football players, according to a new study.
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NewsNew kind of CRISPR could treat viral infection and cancer by shredding sick cells’ DNA
A new technology uses a relative of the CRISPR-Cas9 gene editing system to kill target cells. When activated by a specific, programmable genetic target, the Cas12a2 protein rips a cell’s genome apart. Researchers programmed Cas12a2 to kill virus-infected cells or cancer cells while leaving healthy cells untouched.
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NewsHow river DNA can track fish, frogs, fungi and human feces — all at once
A single scoop of water from an Irish river revealed evidence not only of Ireland’s only frog species, but also signs of the dreaded B. dendrobatidis fungus, marking the first time this devastating amphibian disease has been spotted in the country and exposing a previously unknown risk to Ireland’s frog population.
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NewsDNA analyses uncover what is hiding under the cap plaguing the white button mushroom industry
Researchers have uncovered that bacterial blotch is not caused by a single disease-causing bacteria or pathogen as originally learned, but by a complex of pathogenic bacterial species that thrive in the indoor controlled, humid environments where they are grown.
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NewsStudy uncovers new kind of cold sensor
Investigators studying a bacterial protein have identified a new mechanism of sensing cold temperatures. The finding points to the possibility that this same type of mechanism exists in other organisms, including humans, and may have relevance for disorders involving faulty temperature regulation.
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NewsKey magic mushroom ingredient makes fish less aggressive and lazier
Psilocybin, the chemical compound in magic mushrooms, may reduce energetically costly social behaviors like aggressive swimming bursts, shows a study demonstrating the first evidence of a calming effect in fish.
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NewsDeath-defying protein found in tardigrades preserves synthetic cells
Researchers have shown how a tardigrade protein protects cell membranes, using the proteins to preserve synthetic cells that were dried out and rehydrated in the lab. The finding could lead to a way to store and transport “microfactories” for producing medicines and other biological products.