All The Americas articles – Page 8
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NewsResearchers track yeast population dynamics in fuel bioethanol production
Despite the presence of invasive strains of Saccharomyces cerevisiae, all of them belong to the ethanol fermentation environment, keeping the industrial process stable, a new study reveals.
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NewsSanitized ready-to-eat salad may contain disease-causing bacteria
A review of research on minimally processed vegetables highlights cases of unsatisfactory microbiological safety and calls for best practice assurance throughout the supply chain.
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NewsGlitter impairs growth of cyanobacteria, study shows
Use of glitter in makeup, party costumes and decorations should be reconsidered, say researchers who investigated the effects of five concentrations of glitter on two strains of cyanobacteria.
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NewsCo-infection by novel species of parasite found in visceral leishmaniasis patient
Genome sequencing of clinical samples from a child has revealed the simultaneous presence of the protozoan Leishmania infantum and an as-yet unnamed parasite that was identified earlier in a fatal case of visceral leishmaniasis.
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NewsAMR poses threat in all 35 countries in the Americas
569,000 deaths were linked to bacterial antimicrobial resistance in all 35 countries of the WHO Region of the Americas, according to a new study.
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NewsResearchers using synthetic microbiomes to protect aquatic communities from bacteria
Scientists have been awarded a grant to create synthetic microbiomes – communities of microorganisms – that will better protect aquatic environments from bacteria.
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NewsMicrobe-rich Amazon dark earth boosts tree growth as much as sixfold
Brazilian scientists analyzed the typical soil composition resulting from native management with the aim of developing biotech applications for more effective restoration of degraded areas.
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NewsInterferon could help reduce the spread of COVID-19
Results of an innovative clinical trial have shown that the drug interferon could help reduce the spread of COVID-19 from a positive person to their household contacts, with the study helping to inform treatment options for a future pandemic.
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NewsBCG 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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NewsNewborns 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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NewsMicrobiome 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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NewsTectonics 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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NewsWomen 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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NewsTwo 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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NewsDr. 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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NewsLeishmania 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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NewsPeptide 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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NewsEndophytes 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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NewsSleep 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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NewsSloth 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.