More News – Page 18
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Hibernation status matters when white-nose syndrome pathogen infects bats
The fungal pathogen that causes white-nose syndrome (WNS) in bats uses different cell entry strategies depending on the host’s hibernation status – cold and inactive, or warm and active.
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Respiratory bacteria ‘turns off’ immune system to survive
Researchers have identified how a common bacterium is able to manipulate the human immune system during respiratory infections and cause persistent illness.
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Scientists prioritize 6 key pathogens for wastewater surveillance ahead of the Paris 2024 Olympic and Paralympic Games
French health authority researchers have identified priority pathogens that could be suitable for wastewater surveillance (WWS) during the Paris 2024 Olympic and Paralympic Games taking place from 26 July to 11 August and 28 August to 8 September.
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Densely packed E.coli bacteria form immobile material similar to colloidal glass
Dense E.coli bacteria have several similar qualities to colloidal glass. When they become higher in density and more packed together, they form a ’glassy state’ but also show some other unique properties not typically found in glass-state materials.
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Massive harmful algal bloom in the Arctic prompts real-time advisories to western Alaskan communities
A summer 2022 research cruise that detected a massive and highly toxic harmful algal bloom (HAB) in the Bering Strait has provided an example of science that utilized new technology to track a neurotoxic HAB and protect remote communities in Alaska.
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Pumpkin disease not evolving - which could make a difference for management
The bacterium, Xanthomonas cucurbitae, is so successful that it has had no reason to evolve through time or space, according to new research characterizing the pathogen’s genetic diversity across the Midwest.
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NIH funds consortium to accelerate development of new TB treatments
A new consortium has been awarded a five-year, $31 million grant from the National Institutes of Health’s National Institute of Allergy and Infectious Diseases to accelerate the development of faster, more effective treatment regimens for tuberculosis.
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Active substance identified for the prevention of chlamydial infections
Scientists screening active substances have identified pentamidine as potential prophylaxis against bacterial sexually transmitted diseases.
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Mayaro and chikungunya viruses observed circulating at the same time in the Brazilian Amazon
Infection by one virus was expected to afford protection against the other, preventing co-circulation. Researchers are warning of the risk of transmission of Mayaro in urban areas due to deforestation and advocate more effective epidemiological surveillance.
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Reinfections from the virus that causes COVID-19 likely have similar severity to original infection
Researchers have found that severe infections from the virus that causes COVID-19 tend to foreshadow similar severity of infection the next time a person contracts the disease.
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Nanoparticle vaccines enhance cross-protection against influenza viruses
To offer cross-protection against diverse influenza virus variants, nanoparticle vaccines can produce pivotal cellular and mucosal immune responses that enhance vaccine efficacy and broaden protection, a new study reveals.
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WHO prequalifies the first self-test for hepatitis C virus
The World Health Organization (WHO) has prequalified the first hepatitis C virus (HCV) self-test which can provide a critical support in expanding access to testing and diagnosis, accelerating global efforts to eliminate hepatitis C.
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Phage-derived enzyme targets biofilms to mitigate acute graft-versus-host disease
Scientists investigating acute graft-versus-host disease probe gut microbiome to detect presence of a bacteriophage-derived enzyme known as endolysin, exhibiting potent antibacterial activity specifically targeting E. faecalis.
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The plague may have caused the downfall of the Stone Age farmers
Ancient DNA from bones and teeth hints at a role of the plague in Stone Age population collapse. Contrary to previous beliefs, the plague may have diminished Europe’s populations long before the major plague outbreaks of the Middle Ages.
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Scientists ID bacterial genes that yield iridescent colors
Scientists sequenced the DNA of 87 structurally colored bacteria and 30 colorless strains and identified genes that are responsible for iridescent bacterial colonies.
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Study reveals next steps to uncover early life on Earth
Despite decades of research, there’s still much scholars don’t understand about life’s beginnings and early evolution. A UC Riverside paper has opened the door to understanding more and to framing future studies that could help predict climate change and search for life beyond Earth. Source: Tim ...
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Magnetic bacteria could be key to the miraculous mystery of migration
The remarkable ability of migratory animals to navigate and recall routes may be attributed to a sensitivity to not just Earth’s magnetic fields, but perhaps an interaction with magnetic bacteria living inside them, a new study suggests.
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Researchers develop new way for beneficial microbes to survive extreme conditions and space exploration
The team’s formulations allow microbial therapeutics to maintain their potency and function over time despite extreme temperatures, harsh manufacturing processes, and radiation exposure.
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‘Sacrifice’ of virus data clears the path to open a disease discovery pipeline
Researchers are analysing viruses in human populations – and on coral reefs – to build a robust method of identifying viruses in all animals, plants and environments, and to show the flexibility of the pipeline for future research.
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Hepatitis C leaves ‘scars’ in immune cells even after successful treatment
Researchers have discovered that traces of ‘epigenetic scars’ remain in regulatory T cells and exhibit sustained inflammatory properties long after the Hepatitis C virus is cleared from the body.