All The Americas articles
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NewsEnzyme produced by pathogenic fungus helps evade immune system and facilitates infection
Researchers found 62 proteins specific to spores of Aspergillus fumigatus, a fungal species that causes lung disease. The study showed that at least one of these proteins inhibits human human defense mechanisms.
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NewsAntarctic streptomyces offer promising biocontrol agents to combat banana wilt
A recent study has unveiled the biotechnological potential of microorganisms from Antarctica. Researchers evaluating the antifungal activity of isolated actinomycete strains found 41.18% of these strains could inhibit the growth of <i>Fusarium oxysporum</i>.
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NewsClimate change responsible for 19% of today’s rising dengue burden - but Wolbachia offers hope
Climate change is having a massive global impact on dengue transmission, accounting for 19% of the current dengue burden, with a potential to spark an additional 40%-60% spike by 2050 — and by as much as 150%-200% in some areas.
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NewsMultidrug-resistant bacterium posing a global public health threat is detected in Northeast Brazil
A strain of Klebsiella pneumoniae that is resistant to all available antibitoics has been detected in Brazil after previously being detected in the United States.
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NewsStudies point to correlation between preeclampsia and COVID-19 in pregnant women
A review article by researchers discusses relationships between these two conditions, identifying biomarkers that can help clinicians make a differential diagnosis.
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News10% of children in high-burden tuberculosis settings may develop the disease by age 10
A new study finds a high risk of tuberculosis infection and disease in children up to 10 years old who live in areas where TB spread is common.
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NewsStudy reveals insights into oral HPV incidence and risks in men across 3 countries
A new study has unveiled crucial information about the incidence and risk factors of oral human papillomavirus (HPV) infections among men in the United States, Mexico and Brazil - the virus is linked to up to 90% of all oropharyngeal cancer cases in men in the U.S.
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NewsCDC/PEPFAR awards Georgetown $27.5 million to address HIV/AIDS in Haiti
CDC and PEPFAR have awarded $27.5 million to the Center for Global Health Practice and Impact (CGHPI) at Georgetown University Medical Center to expand its ongoing work in Haiti to address HIV/AIDS.
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NewsCOVID study reveals virus-induced inflammation during pregnancy, redefines vertical transmission
A protein made by SARS-CoV-2 can pass through the placenta and cause serious inflammatory immune responses in the fetus for 66% of pregnancies.
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NewsStudy helps understand pain associated with viral infection
Through experiments in mice infected with a herpes virus, scientists have identified an immune system sensor that recognizes viral fragments and activates neurons responsible for pain, independently of inflammation.
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NewsStudy identifies potential targets for treatment of visceral leishmaniasis
Discovery of a novel class of proteins that help regulate the parasite’s essential cellular functions could lead to the development of more effective drugs against the disease. More than 3,500 new cases are notified each year in Brazil.
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NewsZika virus offeres potential as treatment for brain cancer: review
Fourteen studies showed that Zika virus reduced cell viability, inhibited the growth and proliferation of glioma stem cells (GSCs), and decreased Bcl2 expression in central nervous system tumors, potentially enhancing chemotherapy and radiotherapy effects.
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NewsFirst report of its kind describes HIV reservoir landscape in breast milk
In the first report of its kind, researchers have evaluated the HIV reservoir in the breast milk cells of two women living with HIV (WLWH) who had been on successful long-term treatment.
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NewsBeer-related discoveries mark Oktoberfest
To create a probiotic beer, researchers have screened several different lactic acid-producing bacterial strains.
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NewsPeptide acts as molecular shield to prevent SARS-CoV-2 from infecting cells
The synthetic peptide was inspired by ACE2, the protein to which the virus that causes COVID-19 binds to invade human cells. The results point to a route for the development of novel antivirals.
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NewsBacterial contamination and microplastics threaten Colombia’s largest and most productive coastal lagoon
A study warns of the presence of potentially pathogenic bacteria in microplastics extracted from water, sediments and the digestive tract of fish in the Ciénaga Grande de Santa Marta, the largest and most productive coastal lagoon system in the Colombian Caribbean.
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NewsStudy shows how emissions from Brazilian Pantanal’s soda lakes contribute to climate change
Characterized by high pH and salinity, these soda lakes have practically dried up because of rising temperatures, changing rainfall patterns, and wildfires. The study shows how the local microbial community influences greenhouse gas emissions.
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NewsLess tea, vicar - fruit juice offers a fresh take on kombucha
Researchers studying kombucha brews made from apple and passion fruit juices found that the apple beverage contained high levels of bioactive compounds called flavonoids and ranked highly among taste testers, signaling its promise as a kombucha alternative.
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NewsPresence of bacteria in soil makes flowers more attractive to pollinators
Bacteria that live in soil and help roots fix nitrogen can boost certain plants’ capacity to reproduce by enhancing the attractiveness of the plant’s flowers to pollinators via a relationship known as mutualism that is widespread in plants and animals.
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NewsThousands of donkeys vaccinated against rabies
The Donkey Sanctuary is collaborating with local government agencies and partner organisations, to support vaccination programmes in two key communities that rely on donkeys for their livelihoods.
