All The Americas articles
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NewsBioactive compounds with possible industrial applications are identified in extremophilic bacteria from the Andes
Researchers isolated a strain of Pseudomonas alcaligenes that can withstand temperatures as high as 44 °C from a hot spring in Chile, and characterized the substances produced by the bacterium that help it survive extreme conditions.
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NewsOral cancer and microbiome: new insights into tumor growth mechanisms
A recent study has made significant strides in uncovering how the oral microbiome plays a crucial role in the progression of oral squamous cell carcinoma (OSCC), unveiling metabolic pathways and mechanisms that may serve as potential therapeutic targets.
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NewsPromising COVID-19 vaccine development in animal trials
Researchers developed a COVID-19 vaccine that deploys virus-like particles (VLPs) for immunity stimulation in mice.
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NewsCompound derived from Brazilian plant acts against parasite that causes visceral leishmaniasis
A compound derived from Nectandra leucantha, a tree native to southern Brazil (local names canela-seca or canela-branca), has the potential to be used to treat visceral leishmaniasis, a neglected tropical disease.
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NewsCapybaras found dead from rabies on island in Brazil
The viral rabies strain found in the dead animals on Anchieta Island in Ubatuba was the variant transmitted by vampire bats, which probably fed on the capybaras’ blood at a time of habitat disturbance.
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NewsRoyal Veterinary College awarded international grants to advance research into cattle vaccines
The Royal Veterinary College (RVC) has been awarded two pump-prime grants from the International Veterinary Vaccinology Network (IVVN) to advance crucial research into Bovine Babesiosis and Bovine Tuberculosis vaccines to support cattle welfare.
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NewsEl Niño increases infestations of mosquito that transmits dengue in São Paulo state, Brazil
A study by a group of scientists shows that larval infestations of Aedes aegypti in open-air disused containers increased in response to the effects of the weather phenomenon.
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NewsInnovative mycelium-based biocomposites are a leap towards sustainable materials
Researchers have developed a novel approach to understanding the properties of mycelium-based biocomposites.
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CareersSilvani Verruck: my year as a Junior Editor with Letters in Applied Microbiology
One year after we launched our Junior Editor programme with Letters in Applied Microbiology, Professor Silvani Verruck of Federal University of Santa Catarina in Brazil tells us how she is getting on.
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NewsPhotodynamic therapy with annatto colorant found to be effective against bad breath
A study by researchers working in Brazil shows that antimicrobial photodynamic therapy in which blue light targets annatto colorant is a feasible and effective option for treatment of halitosis in mouth-breathing children.
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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.
