All USA & Canada articles – Page 64
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Living yeast-based dual biosensor detects peptides
The state-of-the-art biosensor with a visible readout could have potential applications in virus detection, diagnostics, and other areas.
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New method may harness radiation-resistant bacterium
Researchers find a novel way to expand applications of the hardy bacterium Deinococcus radiodurans, using gene deletion techniques.
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Stool transplants more effective than antibiotics for treating recurring, life-threatening gut infections
A new Cochrane Review has found that, compared with standard antibiotic treatment, stool transplantation can increase the number of people recovering from Clostridioides difficile infection from 40% to 77%.
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New biologic effective against major infection in early tests
Researchers have shown in early tests that a bioengineered drug candidate can counter infection with Staphylococcus aureus – a bacterial species widely resistant to antibiotics and a major cause of death in hospitalized patients.
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Infectious SARS-CoV-2 isolated from hospital air samples
Scientists have succeeded in isolating infectious particles of the SARS-CoV-2 virus from air samples collected from hospital rooms of COVID-19 patients and kept frozen for more than a year, a new study shows.
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‘Antibiotic culture’ permeates US hospital ICUs, study finds
A new study reveals that there continues to be an ’antibiotic culture’ in US hospitals, meaning that the preference for antibiotics is related to their perceived role as ’magic bullets’.
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Massive Caribbean sea urchin die-off caused by unicellular parasite
Scientists have discovered a parasite is behind a severe die-off of long-spined sea urchins across the Caribbean Sea, which has had devastating consequences for coral reefs and surrounding marine ecosystems.
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First rapid test for mpox can be tailored for other emerging diseases
The first rapid test for mpox has been developed - the selective molecular sensor can detect the virus within minutes, without the use of any high-end instrumental techniques.
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Tiny biobattery with 100-year shelf life runs on bacteria
A tiny biobattery that could still work after 100 years has been developed by researchers.
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Rapid food-contamination test for Salmonella may improve safety, reduce waste and lower costs
Researchers have developed a rapid and inexpensive test for Salmonella contamination in chicken and other food – one that’s easier to use than a home COVID test.
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Protein domain common to plants and animals plays role in COVID-19 infection
Scientists exploring bioenergy plant genetics have made a surprising discovery - a protein domain that could lead to new COVID-19 treatments.
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Gum disease may lie at the root of some arthritis flare-ups
New research may help to explain why patients with gum disease are less likely to respond to rheumatoid arthritis treatments.
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Increased droughts are disrupting carbon-capturing soil microbes
Soil health and future greenhouse gas levels could be impacted if soil microbes adapt to drought faster than plants do.
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Researchers reveal why viruses like SARS-CoV-2 can reinfect hosts and evade immune response
Using a tool called VirScan, Brigham investigators found that people produced shared antibody responses to certain regions of the virus, likely leading to selective pressure and new variants that can repeatedly escape detection by prior immunity.
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Microbes that “eat together” may benefit from a shared immunological memory
A new study examines viruses that infect microbes in the deep sea and finds evidence that viruses interact with a far more diverse set of hosts than was previously thought.
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Bumblebee superfood battles gut pathogen - and boosts queen bee production
Two new papers show that the spiny pollen from plants in the sunflower family (Asteraceae) both reduces infection of a common bee parasite by 81–94% and markedly increases the production of queen bumble bees.
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Newly discovered probiotic could protect Caribbean corals threatened by deadly disease
Researchers have discovered the first effective bacterial probiotic for treating and preventing stony coral tissue loss disease (SCTLD), a mysterious ailment that has devastated Florida’s coral reefs since 2014 and is rapidly spreading throughout the Caribbean.
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Holographic 3D microscope shows potential as red tide warning system
A new study is the first to utilize holography to characterize red tide in the field and breaks new ground for monitoring harmful algal blooms (HABs) and tackling limitations associated with current methods used to monitor these blooms.
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Researchers find regulatory mechanism that keeps cancer-causing bacteria in check
Researchers have discovered an important mechanism that may have profound implications for how we prevent colorectal cancer.
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Bacterial signalling across biofilm affected by surface structure
Researchers who examined how different structures affect biofilm growth and quoring signalling by the bacteria in the presence of antibiotics found structure does have an effect on QS in some strains of the bacteria.