All The Americas articles – Page 4
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NewsLens-free fluorescence instrument detects deadly microorganisms in drinking water
A new approach promises low-cost, real-time water quality monitoring for developing countries, disaster areas and rapid testing needs at events like the Paris Olympics.
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CareersThe role of fungi in the Amazonian bioeconomy
The term bioeconomy is entering the mainstream and has brought discussions on sustainable development into the spotlight, in particular for the Amazon region.
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NewsStudy identifies protein that affects health of gut microbiota and response to bacterial infection
A new study shows how the presence of a specific protein called IL-22BP affects the composition of the gut microbiota and the body’s response to bacterial infection.
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News New initiative launched to advance mRNA vaccine development against human avian influenza (H5N1)
A new project aiming to accelerate the development and accessibility of human avian influenza (H5N1) messenger RNA (mRNA) vaccine candidates for manufacturers in low- and middle-income countries has been launched
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NewsMild COVID-19 can cause long-term cognitive losses
Although the damage caused by SARS-CoV-2 was most intense among those who had severe COVID-19, some had memory loss and attention deficit more than 18 months after being infected, even though they had not needed to be hospitalized.
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NewsSARS-CoV-2 pandemic increases maternal deaths from non-respiratory causes, study finds
A new study revealed a significant impact of the COVID-19 pandemic on maternal mortality in Chile. The pandemic did not affect direct obstetric deaths such as hemorrhage, sepsis and abortion, but non-respiratory indirect obstetric causes increased the most.
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NewsPrenatal Zika infection has long-term immune consequences in children, even without microcephaly
New findings challenge the current diagnostic criteria for congenital Zika syndrome, expanding the definition beyond skull or brain abnormalities.
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NewsStudy sheds light on patterns of Leptospirosis infection
Part of a multi-year project, the study seeks to identify demographic, socioeconomic and environmental factors in a high transmission setting in Brazil.
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NewsStudy identifies protein that helps COVID-19 virus evade immune system
Discovery of a new viral evasion mechanism, and of a monoclonal antibody that subverts it, is an advance in immunotherapy that offers the prospect of effective host-directed treatment to combat infections.
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NewsMayaro and chikungunya viruses observed circulating at the same time in the Brazilian Amazon
Infection by one virus was expected to afford protection against the other, preventing co-circulation. Researchers are warning of the risk of transmission of Mayaro in urban areas due to deforestation and advocate more effective epidemiological surveillance.
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NewsResearchers reveals why recombinant BCG induces a stronger and longer-lasting response
Researchers are working on a more potent version of the BCG vaccine that protects against TB. While the conventional immunizer reduced infection by 90% in experiments with mice, the recombinant BCG increased protection rates to 99%.
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NewsInnovative test diagnoses chagas disease in newborns
The LAMP molecular diagnostic test, coupled with a modified 3D printer to extract DNA, has a sensitivity comparable to PCR, and can be used in laboratories with limited resources.
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NewsRevealed: new factor associated with the risk of severe COVID-19 in people with obesity
By analyzing samples from obese non-diabetics, researchers found that high blood levels of saturated fatty acids cause pre-activation of innate immune cells that, when infected with SARS-CoV-2, produce elevated levels of inflammatory molecules.
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CareersA day in the life of a phage expert
Nicolás Cifuentes is Head of Research Projects and Phages at PhageLab, Chile, which offers tailor-made solutions to control bacterial outbreaks in the livestock and poultry industries.
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NewsScientists identify molecules associated with recurrence in blood samples from malaria patients
Researchers have described for the first time possible biomarkers associated with recurrence of vivax malaria. The study involved analysis of blood samples from volunteers infected by Plasmodium vivax.
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NewsCold climate wheat varieties could provide answers to blast threat
New research unexpectedly reveals that wheat varieties with resistance to another pathogen, powdery mildew, also confer protection against wheat blast.
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NewsWild yeasts from Patagonia could yield new flavors of lagers
New strains of yeast for brewing lager beers, created by hybridizing wild strains of yeast from Patagonia with brewer’s yeast, can yield novel flavors and aromas, a new study reports.
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NewsScientists develop functional bread using probiotic yeast to help prevent asthma
Bread produced with probiotic yeast performed well in experiments with mice, showing potential to combat asthma, which affects 20 million Brazilians.
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NewsNew study explores sun’s effects on the skin microbiome
A new study delves into existing knowledge on solar radiation’s impact on the skin microbiome and proposes innovative sun protection methods that safeguard both skin integrity and microbiome balance.
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NewsGenome research reveals the global march of malaria
Researchers have reconstructed ancient Plasmodium genome-wide data from 36 malaria-infected individuals spanning 5,500 years of human history on five continents, reconstructing the worldwide spread of malaria and its historical impact.