All The Americas articles – Page 7
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News
BCG vaccine found ineffective against COVID-19 in healthcare workers
An international trial investigating the potential immune-boosting effects of the tuberculosis BCG vaccine against COVID-19 found that the risk of developing the disease during the first six months after vaccination was not reduced in participants as originally hoped for.
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Newborns worldwide dying from sepsis as antibiotics lose their bite
A global observational study involving more than 3,200 newborn babies suffering from sepsis in 11 countries has shown that many newborns are dying because the antibiotics used to treat sepsis are losing their effectiveness.
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Microbiome takes centre stage at keynote lecture
Dr Martin Blaser delivered the Ashford Memorial Lecture 2023, which commemorates the legacy of Dr. Bailey Kelly Ashford, who changed the infectious disease landscape of Puerto Rico in the early 20th century.
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Tectonics matter when it comes to microbial life in hot springs
Microbial community composition is distinctly different in two tectonic settings, scientists report.
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Women are more prone to repeat cases of toxoplasmosis eye disease
Women are more likely to experience recurrent cases of the Toxoplasma parasite, new research suggests.
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Two new Antarctic bacteria species yield valuable cold-adapted enzymes
Scientists are experimenting with two new bacteria discovered in the Antarctic ten years ago, in order to verify the possibility of applications in healthcare, food processing and environmental rehabilitation.
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Dr. Silvia Restrepo appointed next president of Boyce Thompson Institute
The Boyce Thompson Institute (BTI) has announced the appointment of renowned plant pathologist and microbiologist Dr. Silvia Restrepo as the research institution’s ninth and first female president.
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Leishmania parasite manipulates organism’s defense system to keep replicating
Researchers have shown how protozoans of the genus Leishmania that cause leishmaniasis manipulate a protein that plays an essential role in the organism’s defense in order to continue to replicate, preventing the body from vanquishing the disease.
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Peptide combats multidrug-resistant bacteria in less than one hour
A synthetic peptide inspired by molecules secreted by the probiotic bacterium Lactobacillus plantarum has presented promising antibacterial results within one hour in laboratory trials.
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Endophytes colonize and protect coffee seedlings
Fungi found living within the tissue of plants from old growth forests in Costa Rica can colonize coffee seedlings and protect them from disease, a new study has revealed.
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Sleep supplement impairs action of gut microbiota
Despite its antioxidant effects and role in regulating sleep cycles, tests show melatonin can worsen inflammation of the intestine and impair the action of gut microbiota.
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Sloth fur may carry antibiotic-producing bacteria
The fur of Costa Rican sloths appears to harbour antibiotic-producing bacteria that may hold a solution to the growing problem of antimicrobial resistance.
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BCG does not protect health workers against Covid
A world-leading international trial into the immune boosting benefits of the tuberculosis vaccine, BCG, has found it does not protect healthcare workers against COVID-19.
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Obese pregnant women infected by zika virus have impaired immune response
Researchers have shown for the first time that gestational obesity associated with infection by zika virus influences the placenta’s antiviral response, weakening the organ’s capacity to attack the pathogen and protect the foetus.
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Researchers cultivate microalgae for biofuel production
Researchers at the State University of Campinas (UNICAMP) in Brazil have grown microalgae under controlled conditions in a laboratory in order to use their metabolites, especially lipids, with the prime purpose of producing biofuel. Source: Bianca Ramos Estevam Cultivation of microalga B. terribilis and extraction of hydrocarbons ...
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Toddler diagnosed with rare Mycobacterium marinum infection following iguana bite
A 3-year-old girl was infected with an unusual Mycobacterium marinum infection, that developed following an iguana bite, report the doctors who treated her at this year’s ECCMID in April.
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Careers
Bringing water and sanitation to the world
Find out what it takes to be the Global Director, Insights for a global nonprofit organisation helping to ensire access to safe drinking water worldwide.
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Expedition to search out invisible life in Galápagos
An international research team led by the Netherlands Institute of Ecology (NIOO-KNAW) is to search for invisible life in the Galápagos Islands. The Galápagos Microbiome Project - a group of scientists from the Netherlands, Ecuador, Spain and Brazil - intends to probe the uniqueness and diversity of microbial life on ...
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Zika virus may combat prostate cancer - but study highlights possible side-effect
When researchers analyzed zika’s effects on normal and cancer cells, they discovered that while the virus can be used to treat the disease, it may trigger a harmful inflammatory process and damage the male reproductive system.
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Yeast used in production of cachaça can prevent asthma, study shows
A daily dose of a strain of brewer’s yeast used to produce cachaça - distilled spirit made from fermented sugarcane juice - can act as a preventive against asthma, according to a Brazilian study involving male mice.