All USA & Canada articles
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NewsStudy reveals pain-relief pathways in disfiguring skin disease
For the first time, scientists have begun to figure out why the disfiguring skin lesions caused by cutaneous leishmaniasis don’t hurt.
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NewsPathogens use force to breach immune defenses, study finds
Researchers have discovered a previously unknown process by which pathogens enter a cell with physical force, breaching the body’s immune defenses that prevent infection.
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NewsNew model allows for learning and prediction of microbial interactions
Researchers describe a new framework they have created to predict how species within microbiomes interact with each other to create unique compositions.
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NewsScientists uncover how fermented-food bacteria can guard against depression, anxiety
Researchers have discovered how Lactobacillus, a bacterium found in fermented foods and yogurt, helps the body manage stress and may help prevent depression and anxiety.
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NewsKey algae species help soft corals survive warming oceans
The algae, from the genus Breviolum, resides inside the coral tissue, forming a symbiotic relationship, a new study finds.
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NewsOrgan agar offers big benefits for the study of bacteria
Animal models are a necessary research tool for understanding how diseases develop and how therapies work in biological systems and can be credited for breakthroughs ranging from effective antibiotics to the COVID vaccines. Source: CDC Clonies of Gram-negative Proteus mirabilis bacteria, grown on a xylose-lysine-deoxycholate (XLD) agar plate. ...
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NewsHIV: Thwarting a protein in the hope of a better quality of life
The sustained activation of the body’s immune system for people living with HIV leads to chronic inflammation that can cause associated complications such as cardiovascular diseases, osteoporosis or neurocognitive decline.
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NewsMink discovery challenges standard understanding of COVID-19 infection
Researchers studying zoonosis — the interspecies transmission of pathogens — in mink have found that TMPRSS2, an enzyme critical for viral fusion entry of SARS-CoV-2 in humans, is not functional in mink.
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NewsYoung scientists spearhead breakthrough COVID-19 research
A molecular biophysics study investigates how coronavirus variants of concern attachment strength to human cells influences COVID-19’s spread and transmissibility.
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NewsResearchers develop a new TB vaccine testing model by leveraging old BCG vaccine
Each year, tuberculosis (TB) kills more people than any other infectious disease, falling out of the top spot only temporarily during the COVID-19 pandemic. Source: Saint Louis University Daniel Hoft, M.D., Ph.D., director of the Saint Louis University Center for Vaccine Development Despite TB’s wide reach and ...
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NewsFormer goldmine provides a portal to microbial life deep in the Earth’s crust
By accessing the deep underground through a former goldmine-turned-lab in South Dakota’s Black Hills,researchers have pieced together the most complete map to date of the elusive and unusual microbes beneath our feet.
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NewsNew method identifies bacteria more easily
Scientists have developed a simple tool that can identify all of the genetic material in bacteria.
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NewsScientists reveal what happens when the vaginal microbiome attacks
A new study examines why a common and seemingly benign condition of the vaginal microbiome - bacterial vaginosis - is linked to pregnancy loss, preterm birth and other health complications.
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NewsInfants exposed to certain biologics during pregnancy can safely receive rotavirus vaccine
New research in Canada may prompt a change to vaccination guidelines for infants. Researchers investigated how the immune systems of babies exposed to biologic agent medications during pregnancy are affected.
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NewsSpike in premature births caused by COVID, and halted by vaccines
COVID-19 caused an alarming surge in premature births, but vaccines were key to returning the early birth rate to pre-pandemic levels, according to a new analysis of California birth records.
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NewsPlants that survived dinosaur extinction aided by microbes to pull nitrogen from air
Scientists have found that the cycad species that survived extinction relied on symbiotic bacteria in their roots, which provide them with nitrogen to grow.
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NewsE coli may be better at evolving resistance than previously thought
E. coli bacteria may be far more capable at evolving antibiotic resistance than scientists previously thought, according to a new study.
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NewsScientists discover rules for breaking into Pseudomonas
Researchers have found a way to get antibacterial drugs through the nearly impenetrable outer membrane of Pseudomonas aeruginosa, a bacterium that – once it infects a person – is notoriously difficult to treat.
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NewsWastewater testing improves predictions for COVID-19 hospital admissions
Testing wastewater for COVID-19 provides a better forecast of new COVID hospital admissions than clinical data, a new study suggests.
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NewsBacteria store memories and pass them on for generations
Scientists have discovered that bacteria can create something like memories about when to form strategies that can cause dangerous infections in people, such as resistance to antibiotics and bacterial swarms.
