All The Americas articles
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News
Calcium can protect potato plants from bacterial wilt
Scientists have discovered that calcium plays a significant role in enhancing the resistance of potato plants to bacterial wilt. This disease causes worldwide losses of potatoes costing $19 billion per year.
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Celebrity weight-loss drug helps people with HIV fight fatty liver, study shows
Scientists have found that a medication used to treat diabetes and obesity – and touted on social media for weight loss – can be a powerful weapon against a type of fatty liver disease in people with HIV.
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Tropical red seaweed protects Ostrea edulis larvae against pathogen
A new study finds that extracts of tropical red seaweed Acanthophora spicifera are a natural alternative for pathogen control management in O. edulis cultures.
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Study confirms effectiveness of bivalent COVID-19 vaccine
A major bivalent COVID-19 vaccine induces production of neutralizing antibodies against the coronavirus that circulated at the start of the pandemic as well as subvariants of omicron, albeit less abundantly, according to a new study.
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Hidden biosphere unveiled beneath world’s driest hot desert
In a finding with implications for the search for extraterrestrial life, researchers have discovered microbial life 13 feet below Earth’s most inhospitable desert.
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Study uncovers molecular mechanism of chemical diversity of thermophilic fungus
The new findings might explain why Thermomyces species with a large reduced genome can survive in the biosphere where temperatures are often below their growth temperatures.
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DNA vaccine against zika performs well in tests on mice
A Zika vaccine developed in Brazil and tested on mice has been found to be efficacious, inducing an immune response against the virus and protecting the animals appropriately.
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Arboviruses, mosquitoes and potential hosts tracked in real time
The technology used to sequence the first infections by SARS-CoV-2 at record speed has been successfully tested as a technique to monitor viruses transmitted by mosquitoes, such as dengue, zika, chikungunya and yellow fever.
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Inauguration of the Institut Pasteur de São Paulo
A ceremony has taken place in Brazil to mark the inauguration of the Institut Pasteur de São Paulo, the latest member of the Pasteur Network.
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Study maps main genes involved in immune response to infection by dengue virus
Researchers compared data for the immune response induced by natural infection and vaccines. They identified the key factors in the development of long-lasting immunity.
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Careers
Laboratorio Calidad de Aguas
The Water Quality Laboratory of the National University of Salta, founded by Dr Mónica Salusso and Dr. Liliana Moraña, is going from strength to strength - but faces challenges posed by major budget cuts to science and research in Argentina.
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Study reveals how the chikungunya virus deploys multiple organ attack and leads to death
An international team including virologists, physicians, epidemiologists, clinicians, physicists and statisticians has discovered new mechanisms related to central nervous system infection in fatal cases of the infection
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New dual therapeutic strategy shows promise against multidrug-resistant salmonella
A new collaborative study discloses the discovery and application of a new therapeutic strategy to target the multidrug-resistant bacterium Salmonella enterica in vivo, with promising results. The results were published in Scientific Reports. Source: CDC/ Antibiotic Resistance Coordination and Strategy Unit Medical illustration of drug-resistant, nontyphoidal Salmonella sp. ...
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Research reveals novel herpesvirus in South American pinnipeds
Scientists detected Otariid gammaherpesvirus 1 (OtGHV1) in free-ranging South American pinnipeds, and a novel herpesvirus Otariid gammaherpesvirus 8 (OtGHV8) in South American sea lions (Otaria byronia) in the Southern Hemisphere.
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Study explains how a fungus can control an extremely harmful pest
The research was conducted at SPARCBio, a center established by FAPESP and biological control company Koppert at the University of São Paulo’s Luiz de Queiroz College of Agriculture.
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Nanoparticles containing lupeol treat visceral leishmaniasis with scant side effects
In animal tests conducted at São Paulo State University (UNESP), the strategy reduced spleen and liver parasite numbers by 99.9%.
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Rare case of opossum infected by rabies sounds alarm for urban environments
The opossum was found dead in a park in the center of Campinas, a large city in São Paulo state (Brazil), with the same viral variant as fruit-eating bats. These mammals are regularly detected in cities, where they are often attacked by dogs.
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Drought may drive deadly amphibian disease by disrupting skin microbiome
Progressively severe droughts are disrupting the microbiomes of the thumbnail-sized orange frogs, potentially leaving them vulnerable to a deadly fungal disease, according to a new study by an international research team.
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Research links prison time with increase of TB
New research finds that being in prison or being a former prisoner is responsible for high rates of multidrug resistant (MDR) TB.
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Fungal infection acquired during surgery led to death and brainstem, blood supply injuries
A life-threatening mold infection known as health care-associated Fusarium solani meningitis can be associated with a delayed, but devastating, injury to the brainstem and its blood supply among those infected, according to physicians.