All USA & Canada articles – Page 69
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Harmful bacteria can elude predators when concealed in mixed colonies
Efforts to fight disease-causing bacteria by harnessing their natural predators could be undermined when multiple species occupy the same space, a new study has revealed.
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Scientists find two separate reservoirs of latent HIV in patients
Scientists have shown that, addition to HIV’s ability to lay dormant in the blood/lymphoid system, the virus may also lay dormant in the central nervous system, delineating another challenge in creating a cure.
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White-tailed deer carry SARS-CoV-2 variants that are extinct in humans
Researchers have found white-tailed deer – the most abundant large mammal in North America – are harboring SARS-CoV-2 variants that were once widely circulated, but are no longer found in humans.
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Biorefinery uses microbial fuel cell to upcycle resistant plant waste
Researchers have developed a sustainable, inexpensive two-step process that can upcycle organic carbon waste - including lignin - transforming it into antioxidant flavonoids for nutrition and medicine. .By processing waste through a microbe-driven biorefinery, the researchers turned lignin into carbon sources that could be used in high-value, plant-derived pharmaceuticals and ...
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New vaccine targets life-threatening fungal infections
A new vaccine from the University of Georgia could be the first clinically approved immunization to protect against invasive fungal infections, a growing concern as antifungal drug resistance increases.
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Marburg vaccine shows promising results in first-in-human study
An experimental vaccine against Marburg virus (MARV) was safe and induced an immune response in a small, first-in-human clinical trial, according to a new paper.
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New US report reveals diversity trends in STEM workforce and education
More women, as well as black, Hispanic, American Indian, and Alaska Native people collectively, worked in STEM jobs in the US over the past decade, diversifying that workforce, and are earning more degrees in science and engineering fields at all levels compared to previous years.
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FDA-approved TB regimen may not work against deadliest form of TB
Investigators say their research indicates a new combination of drugs is needed to find an effective treatment for TB meningitis due to multidrug-resistant (MDR) strains.
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Computer model of influenza virus shows universal vaccine promise
Researchers have created an atomic-level computer model of the H1N1 virus that reveals new vulnerabilities, suggesting possible strategies for the design of future vaccines and antivirals against influenza.
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Parasite common in cats causes abortion in bighorn sheep
A parasite often spread by domestic and wild cats could hamper ongoing conservation efforts in bighorn sheep.
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Altering vaginal microbiome could treat vaginal dryness and painful sex during menopause
A new study demonstrates effectiveness of ospemifene and systemic hormone therapy in treating vulvovaginal atrophy and changing the composition of vaginal microorganisms.
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Stunningly detailed blueprint revealed of viral genome replication machinery
Scientists have shed new light on the crucial early stages of RNA virus infection and their control.
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Virus plus microplastics equal double whammy for fish health
A new lab study reveals that the presence of microplastics increases the severity of viral fish disease IHNV.
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Study reveals the gut microbiome’s role in controlling the body’s thermostat
The average basal temperature of the human body has decreased since the 1860s for unknown reasons, but a new study points to the gut microbiome as a potential regulator of body temperature, both in health and during life-threatening infections.
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Short-lived volcanic island harboured sulphur-metabolizing microbes
Researchers discovered a unique microbial community that metabolizes sulphur and atmospheric gases, similar to organisms found in deep sea vents or hot springs, on a volcanic island that only lasted for seven years.
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Long-term projects reveal how warming planet will impact microbe carbon cycling
A team of researchers led by the University of Massachusetts Amherst has helped to untangle one of the knottiest questions involving soil microbes and climate change: what effect does a warming planet have on the microbes’ carbon cycling?
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Researchers pinpoint enzyme that limits electrosynthesis by Shewanella
Researchers at Michigan State University have identified an enzyme that is a limiting factor to microbial electrosynthesis by Shewanella oneidensis, a bacterium that could potentially capture carbon dioxide emissions to produce useful materials.
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Semi-living cyborg cells could be tools for health and environment
Biomedical engineers at the University of California have created semi-living ’cyborg cells’ retaining the capabilities of living cells, but unable to replicate.
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Salmonella exposure poses a risk for colon cancer
Researchers who studied human colon cancer tissue samples and animal models have found that exposure to salmonella was linked with colon cancers that developed earlier and grew larger.
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Probiotic markedly reduces staph colonisation in phase 2 trial
A approach to control Staphylococcus aureus bacterial colonization in people—using a probiotic instead of antibiotics—was found to be safe and highly effective in a Phase 2 clinical trial.