All USA & Canada articles – Page 59
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NewsOptimal timing maximises Paxlovid benefits for treating COVID-19
Study suggests using the anti-COVID-19 treatment Paxlovid three to five days after symptoms emerge in patients and expanding global access to the drug may help reduce the severity and transmission of the SARS-CoV-2 virus.
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NewsGut microbiota acts like an auxiliary liver
Microbes in the mammalian gut can significantly change their hosts’ amino acid and glucose metabolism, acting almost like an extra liver, according to a new preclinical study.
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NewsPerinatal transmission of HIV can lead to cognitive deficits
Perinatal transmission of HIV to newborns is associated with serious cognitive deficits as children grow older, according to a detailed analysis of 35 studies.
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NewsUndernourished household members at increased risk for developing TB after exposure
Researchers have found that undernourished household contacts are three times more likely to progress to TB disease.
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NewsScientists probe influence of soil microbes on spiciness of mustard
Scientists ran one of the first experiments to figure out if soil microorganisms like bacteria and fungi influence the flavor of a crop.
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NewsResearchers use AI to improve Alzheimer’s treatment through the ‘gut-brain axis’
Researchers are using artificial intelligence to uncover the link between the gut microbiome and Alzheimer’s disease.
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NewsGut bacteria and inflammatory bowel disease: a new frontier in treatment
A new review highlights the therapeutic potential of various prebiotics derived from different food sources for manipulating gut bacteria.
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News$1.8M NIH grant will help researchers follow a virus on its path to the nucleus
Researchers have been awarded a $1.8 million grant to learn how human papillomavirus makes its way to a cell’s nucleus.
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NewsRise seen in use of antibiotics for conditions they can’t treat – including COVID-19
A five-year trend study shows a rebound in inappropriate use after an early-pandemic dip, and a need to tackle overuse in all patients during viral illness outbreaks.
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NewsYeast study helps answer age-old biology question of specialists vs. generalists
Researchers have mapped the genetic blueprints, appetites, and environments of more than 1,000 species of yeasts, building a family tree that illuminates how these single-celled fungi evolved over the past 400 million years.
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NewsNew technology uncovers mechanism affecting generation of new COVID variants
Researchers have developed a new technology called tARC-seq that revealed a genetic mechanism affecting SARS-CoV-2 divergence and enabled the team to calculate SARS-CoV-2’s mutation rate.
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NewsGold may be key element for cleaner drinking water
Researchers are exploring the use of gold to develop a novel method to rid drinking water of harmful algal blooms, or HABs, which occur when colonies of algae grow out of control and produce toxic or harmful effects on living creatures.
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NewsNew research defines specific genomic changes associated with the transmissibility of the monkeypox virus
Scientists have located and identified alterations in the monkeypox virus genome that potentially correlate with changes in the virus’s transmissibility observed in the 2022 outbreak.
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NewsBlack women hospitalised in USA with blood infection resistant to last-resort antibiotic at increased risk of death
New research finds that the odds of death in black women with a bloodstream infection (BSI) caused by carbapenem-resistant enterobacterales (CRE) was twice that of black men or white women.
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NewsProbiotic feed additive boosts growth and health in poultry in place of antibiotics
Researchers found that supplementing the diet of young chicks with a probiotic over 21 days significantly boosted the abundance of beneficial intestinal microorganisms.
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NewsCopper beads in pig feed reshape swine gut microbiome
New findings show copper beads influence the microbial makeup in a pig’s gut, but more work is needed to optimize the benefits.
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NewsDiscovery of bacterial proteins that induce asexual reproduction in insects
From microbes in the human gut to symbiotic algae in coral reefs, research in recent decades has increasingly revealed the pivotal roles that microorganisms (or microbial species) play in shaping the biology of host organisms and of broader ecosystems. For example, some endosymbionts—microbes that live within the cells of a ...
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NewsDeadly bacteria show thirst for human blood
Some of the world’s deadliest bacteria seek out and feed on human blood, a newly-discovered phenomenon researchers are calling “bacterial vampirism”.
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NewsMicroplastics, algal blooms, seafood safety are public health concerns addressed by new US Oceans and Human Health Centers
The NIH and the U.S. National Science Foundation (NSF) are jointly funding four new Centers for Oceans and Human Health and renewing two centers as part of a marine-related health research program.
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NewsHIV epidemic cannot be ended without stopping former prisoners and other patients from being lost to care
A field implementation programme reveals challenges of locating and re-engaging former prisoners and other individuals living with HIV who drop out of care.