All The Americas articles
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NewsA combination of exercise and omega-3 reduces the severity of tooth root infections
Rats that exercised and took fatty acid supplements responded better to bacteria and the inflammatory process of apical periodontitis, which can occur when caries reach the root canal and cause an infection.
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NewsNew study reveals bats are key players in cross-species spread of morbilliviruses
Researchers studying the spread of morbilliviruses in bats and monkeys in Brazil and Costa Rica have discovered new virus species and host switches from bats to other mammalian species.
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NewsBacterial species join forces to boost production in soybean - without disrupting soil microbiome
Combining a bacterial isolate with rhizobia can boost soybean production without disrupting the natural soil microbiome, a new study reveals.
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NewsMicroalgae remove antibiotic residues from wastewater, reducing environmental contamination
In the laboratory, the species Monoraphidium contortum removed some of the drugs added to the liquid and produced biomass with potential commercial value.
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NewsNew study shows obesity linked to long COVID
New research has found that people with excess weight are more likely to experience long-term neurological and mental health symptoms after COVID-19, including headache, vertigo, smell and taste disorders, sleep disturbance, and depression.
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NewsGlobal Virus Network meeting unites Caribbean and Latin America to tackle emerging viral threats
A two-day summit focused on collaborative strategies to bolster viral surveillance, diagnostics, vaccine research, and pandemic preparedness across Latin America and the Caribbean, challenges intensified by climate change and globalization.
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NewsSilver nanoparticles produced by fungus could be used to prevent and treat COVID-19
Silver nanoparticles produced by the fungus Trichoderma reesei could become important allies in the prevention and treatment of COVID-19. Tests on hamsters showed that they not only inhibited the infection but also reduced the viral load in the lungs.
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NewsConsumption of ultra-processed foods by children up to one year old favors harmful bacteria in the gut
Analysis of the gut microbiota of more than 700 babies also showed that breastfeeding was a protective factor, mitigating the problem in those who consumed industrialized products. The study underscores the importance of breastfeeding.
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NewsOropouche virus infections underestimated in Latin America and likely to increase due to climate factors
Environmental factors, such changing temperatures and rainfall, are the main drivers associated with the spread of Oropouche virus (OROV) in Latin America, according to a modelling study.
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NewsFiber consumption protects gut from serious bacterial infection, study suggests
Brazilian researchers have gained better understanding of the role of soluble dietary fibre in the mechanism of immune modulation and fight against gut pathogen Clostridioides difficile that causes severe diarrhoea and colon inflammation.
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NewsResearchers discover way to predict treatment success for parasitic skin disease
Researchers have discovered a way to predict whether a patient suffering from cutaneous leishmaniasis will respond to the most common treatment, potentially saving patients from months of expensive, ineffective and toxic medication.
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NewsEdible biofilm based on pomegranate peel extract extends the shelf life of strawberries
Fruit coated with the material showed 11% less weight loss during storage and took longer to start becoming contaminated by fungi.
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NewsScientists tackle the rising global challenge of Chagas Disease
A study sheds new light on how the Chagas Disease parasite invades human cells—a crucial step towards developing effective treatments for this neglected tropical disease.
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NewsHow Zika virus knocks out our immune defenses
Scientists have made striking discoveries regarding the different infection mechanisms of Zika and dengue virus of the same viral family. These understandings pave the way for vaccine development to combat flaviviruses with similarities.
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NewsWHO calls for urgent action to address worldwide disruptions in tuberculosis services
Since World Tuberculosis Day is only days away, World Health Organization addresses the current challenges faced by countries in TB responses. They urgently call for an united global effort to combat the deadly disease and safeguard the public health from the devastating consequences.
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NewsLeafcutter ants recognize and fight pathogen with social immunity
Various characteristics of social immune memory were observed in colonies of Atta sexdens (lemon leafcutter ants) exposed to different pathogenic fungi. Such information is useful for future development of appropriate pest control.
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NewsPlastic-degrading enzymes from landfills
Researchers identified and analysed the structure and predicted functions of potential plastic-degrading enzymes in collected landfills sample from around the world, in an effort to reduce plastic pollution.
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NewsFirst coronavirus similar to MERS is found in bats in South America
A novel coronavirus, which shares high genetic similarities with MERS-CoV, was identified in bats in the state of Ceará, Brazil. Experiments to find out whether it can infect humans are set to take place in collaboration with Hong Kong University.
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NewsRestoring vegetation cover in Amazon's pasture areas can reduce methane emissions, study reveals
Proper pasture management in the Amazon, aimed at maintaining soil vegetation cover, can reduce methane emissions from livestock farming, according to a new study analyzing emissions and microorganisms in Amazonian soil.
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NewsNew test identifies prior infection by zika virus and all four dengue virus serotypes
An alternative approach is developed to detect and distinguish between antibodies induced by the dengue and zika virus in blood samples. The strategy can be used to orient public health policy and evaluate the efficacy of dengue vaccines.