All Research News articles – Page 41
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Monitoring shows chikungunya epidemics can be predicted by means of surveillance
A study conducted in a medium-sized city in São Paulo state (Brazil) found that chikungunya, which has caused major epidemics in several countries, can also circulate silently in a community, with few infections for years.
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Two ways that members of the microbiome fight salmonella infections
Researchers have identified two mechanisms through which Klebsiella bacteria combat the spread of salmonella in the gut.
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Scientists unlock secrets of how the third form of life makes energy
An international scientific team has redefined our understanding of archaea, a microbial ancestor to humans from two billion years ago, by showing how they use hydrogen gas.
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Soil bacteria respire more CO2 after sugar-free meals
Researchers have tracked the pathways of a mixture of plant waste as it moves through bacteria’s metabolism to contribute to atmospheric CO2. Microbes respire three times as much CO2 from lignin carbons compared to cellulose carbons, they say.
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Bartonella DNA found in blood of patients with psychosis
A new study has found that patients diagnosed with schizophrenia or another psychotic disorder are three times more likely to have Bartonella DNA in their blood than adults without these disorders.
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New study helps explain how elderly individuals react differently to COVID-19 than young people
A new study suggests that a suppressed immune landscape is a key driver of age-associated endothelial dysfunction during COVID-19.
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New discovery reveals unexpected ocean algae help cool the Earth
A common type of ocean algae plays a significant role in producing a massively abundant compound that helps cool the Earth’s climate, new research has discovered.
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Gut microbes from aged mice induce inflammation in young mice
New findings suggest that changes to the gut microbiome play a role in the systemwide inflammation that often occurs with aging, and also revealed that antibiotics caused longer-lasting disruptions in gut microbiomes of aged mice than in young mice.
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Hepatitis E virus scoops up human derived RNA fragments
In cell culture experiments, it was shown that incorporating host RNA provided a replication advantage for the Hepatitis E virus, with the altered viruses replicating better than others.
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Water-soluble version of bacterial enzyme may help researchers develop new antibiotics
Researchers created a water-soluble version of an important bacterial enzyme, which can now be used in drug screens to identify new antibiotics.
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Feeling rough after your COVID shot? That means it’s working!
Side effects of the Covid vaccine may include tiredness, muscle and joint pain, chills, headache, fever or nausea, but a new study finds that the symptoms indicate a robust immune response that is likely to lessen the chances of infection.
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Lung organoids unveil secret of how pathogens infect human lung tissue
Using human lung microtissues, researchers have uncovered the strategy used by a dangerous pathogen to invade the lungs. Pseudomonas aeruginosa targets specific lung cells and has developed a sophisticated strategy to break through the lungs’ line of defense.
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Novel lipopeptide produced by bacterium proves lethal against Staphylococcus aureus
A novel antibacterial lipopeptide produced by the bacterium Serratia marcescens has been shown to be highly effective in killing Staphylococcus aureus – one of the most important pathogens occurring in humans.
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Epstein-Barr virus can trigger quicker growth of nasopharyngeal cancer
Scientists have shown how the Epstein-Barr virus (EBV) alters how specific genes are regulated, making nasopharyngeal cancer tumours (NPC) grow faster.
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New study reveals that marine cyanobacteria can communicate using membrane nanotubes
Transfer of substances via membrane nanotubes not only occurs in cyanobacteria of the same lineage, but also between those of different genders, something that has been verified not only at the laboratory level, but also in natural ocean samples.
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Study finds no association between COVID-19 vaccines and stillbirths
In a new study funded by the U.S. Centers for Disease Control and Prevention, researchers found “no association between COVID-19 vaccination and stillbirth”.
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Italy pertussis outbreak hospitalises 108 and claims 3 lives
A significant pertussis outbreak, predominantly affecting neonates and young infants, saw 108 hospitalisations and three deaths. Its resurgence may be attributed to limited maternal immunisation during pregnancy and increased circulation post-COVID-19 pandemic.
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Scientists discover genetic defense against Huanglongbing disease
A recent study has pinpointed two key enzymes in Citrus sinensis that play a crucial role in the plant’s defense mechanism against the Asian citrus psyllid (ACP), a vector for the lethal huanglongbing (HLB) disease.
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Newly IDed cordycipitoid fungus infects caterpillars and nematodes, offering pest control hope
Researchers have described a new species of cordycipitoid fungi collected in Peru, whose sexual stage parasitizes Lepidoptera insects, while its asexual stage can infect nematodes and produce a large number of falciform conidia.
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Liposomes can target antibiotics right to where they’re needed in wounds
The antibiotic gentamicin can be encapsulated into liposomes, allowing for more accurate use in situations such as wound treatment, according to new research presented at the recent Letters in Applied Microbiology ECS Research Symposium.