All The Americas articles – Page 7
-
NewsCases of chikungunya and zika fall in Brazil, but most risk clusters rise
Researchers observed spatial and temporal patterns of occurrence and co-occurrence for the two arboviral diseases in all Brazilian municipalities, alongside the influence of environmental and socio-economic factors.
-
NewsPeople in prison are at very high risk of tuberculosis, even years after release
A study in Paraguay evaluates tuberculosis incidence during and after incarceration in a cohort of nearly 3,000 people.
-
NewsPredominantly plant-based or vegetarian diet linked to 39% lower odds of COVID-19
A predominantly plant-based or vegetarian diet is linked to 39% lower odds of COVID-19 infection, finds new research.
-
NewsIntravaginal sponge can make candidiasis treatment more comfortable and effective
A biodegradable sponge made of chitosan, a biopolymer derived from the shells of crustaceans, releases medication slowly into the organism and makes treatment of candidiasis more comfortable and effective.
-
NewsScientists unlock the secrets of disease-causing fungus Aspergillus fumigatus
A new study demonstrates the pivotal role of the Mitogen-Activated Protein kinase MpkA in both gliotoxin production and self-protection.
-
NewsMicrobes harnessed to remove and degrade indoor pollutants
Researchers have designed an indoor air purification prototype which uses microorganisms to capture and degrade pollutants, with efficiencies above 90%.
-
NewsResearchers report detailed analysis of heart injury caused by yellow fever virus
The study is the first-ever demonstration of the anatomical substrate for the cardiac arrhythmias that occur in human yellow fever.
-
NewsNanoparticles with antibacterial action shorten duration of tuberculosis treatment
A low-cost technology involving nanoparticles loaded with antibiotics and other antimicrobial compounds that can be used in multiple attacks on infections by the bacterium responsible for most cases of tuberculosis has been developed.
-
NewsPhotodynamic action weakens resistance to antibiotics in bacteria that attack airways
A study of photodynamic inactivation (PDI) showed it has a novel capacity to modify bacterial sensitivity to antibiotics according to dosage, reducing the resistance and persistence of both standard and clinical strains.
-
NewsDr Raquel Peixoto named as winner of the inaugural Rachel Carson Prize 2023
Dr Raquel Peixoto of King Abdullah University of Science and Technology (KAUST) in Saudi Arabia has been named as this year’s winner of the inaugural Rachel Carson Prize for microbiology.
-
NewsRabies virus variants from marmosets are found in bats
Rabies virus variants closely related to variants present in White-tufted marmosets (Callithrix jacchus) have been detected in bats in Ceará state, Northeast Brazil.
-
NewsStudy reveals bacterial protein capable of keeping human cells healthy
Researchers describes a hitherto unknown protein with anti-oxidizing properties secreted by Coxiella burnetii, a Gram-negative intracellular bacterium, pointing to possible treatments for auto-immune diseases and even cancer
-
NewsTest detects co-infection by novel parasite in severe cases of visceral leishmaniasis
The test developed by Brazilian researchers accurately identifies the causative agent in less than two hours, so that treatment can be properly targeted.
-
NewsReduced activity of key enzyme linked to microcephaly in Zika-infected offspring
Researchers have shown that brain activity of Ndel1, an enzyme that plays an important role in neuron differentiation and migration, decreased in mice infected by Zika during pregnancy.
-
NewsStudy demonstrates antimicrobial action of polyalthic acid from copaiba oil
Polyalthic acid from copaiba oil is an effective antibacterial and should be used to develop alternative medications that can contribute to the effort to overcome antimicrobial resistance, according to a new study.
-
CareersQ&A: Laura Elena Cota Ortega on her AMI-sponsored summer placement in Spain
Laura Elena Cota Ortega travelled from Mexico to Spain for her Applied Microbiology International sponsored summer placement investigating the intricate mechanisms of virulence and antimicrobial resistance.
-
NewsPrevalence of malaria infections varies among migrant populations
A systematic review shows that malaria parasite prevalence is highest in migrants from the Sub-Saharan region, particularly migrants from Central Africa.
-
NewsNovel biomaterial delivers medication directly to fish gut
In addition to helping combat antimicrobial resistance, the bioparticle avoids the waste and pollution created by excessive amounts of drugs in water bodies.
-
NewsStudy IDs six drugs that can be repurposed for treatment of toxoplasmosis
Brazilian researchers screened 160 compounds known to be effective against SARS-CoV-2 and identified those that also act against the protozoan parasite Toxoplasma gondii.
-
NewsOral health deteriorates before and after bariatric surgery
Researchers who analyzed saliva, oral microbiota and dental health of volunteers before and after gastroplasty found an increase in caries and periodontitis, as well as alterations in salivary inflammatory markers.