All articles by Linda Stewart – Page 129
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NewsBiotin may shield brain from manganese-induced damage, study finds
New research showing the mechanisms by which manganese inflicts damage to the central nervous system suggests that the vitamin biotin - synthesized by gut bacteria - may have a protective effect, potentially mitigating manganese-induced damage.
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NewsHuman papillomavirus infection kinetics revealed in new longitudinal study
Non-persistent human papillomavirus (HPV) infections are characterized by a sharp increase in viral load followed by a long plateau, according to a new study.
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NewsWHO calls on Trump to reconsider order that USA will withdraw from the Organization
The World Health Organization has said it regrets President Donald Trump’s announcement that the United States of America intends to withdraw from the Organization.
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NewsCycle of coral bleaching on the Great Barrier Reef now at ‘catastrophic’ levels
Marine scientists have published the first peer-reviewed study documenting the devastating coral bleaching events that occurred on the southern Great Barrier Reef in early 2024. 66 per cent of the colonies were bleached by February 2024 and 80 per cent by April.
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NewsAncient viral DNA shapes early embryo development
Over half of our genomes consists of remnants of ancient viral DNA which are widespread across the tree of life. Once dismissed as the ’dark side’ of the genome, researchers have now revealed the role of transposable elements in early embryo development.
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NewsValneva reports high sustained immune response in adolescents one year after Chikungunya Vaccine
Valneva SE, a specialty vaccine company, has reported further positive Phase 3 data in adolescents for its single-shot chikungunya virus (CHIKV) vaccine, IXCHIQ®, which showed a sustained 98.3% sero-response rate one-year after single vaccination.
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NewsTiny vortices help detect dangerous viruses
Due to the specific wavelengths of vibrations used to create these tiny whirlpools, they efficiently trap cells, bacteria and other larger bioparticles found in saliva while leaving antibodies and viruses free to flow forward through multiple biosensing chambers.
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NewsBacteria in polymers form cables that grow into living gels
Scientists have discovered that bacterial cells growing in a solution of polymers, such as mucus, form long cables that buckle and twist on each other, building a kind of “living Jell-O.”
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NewsExtreme rain heightens E. coli risks for communities of color in Texas
New research shows that communities of color in Texas face pronounced risks of E. coli exposure in nearby waters following storms that dump abnormally high amounts of rain.
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NewsMachinery behind bacterial nanowires discovered
Almost all living things breathe oxygen to eliminate the excess electrons produced when nutrients are converted into energy. However, most microbes that mitigate pollution and climate change don’t have access to oxygen. Instead, these bacteria—buried underground or living deep under oceans—have developed a way to eliminate electrons by “breathing minerals” ...
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NewsRotavirus protein NSP4 manipulates gastrointestinal disease severity
This study is among the first to show that the rotavirus protein NSP4 is both necessary and sufficient for multiple aspects of rotavirus infection by disrupting calcium signaling not only within infected cells but also in nearby uninfected cells.
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NewsBioactive compounds with possible industrial applications are identified in extremophilic bacteria from the Andes
Researchers isolated a strain of Pseudomonas alcaligenes that can withstand temperatures as high as 44 °C from a hot spring in Chile, and characterized the substances produced by the bacterium that help it survive extreme conditions.
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NewsNew study provides insight into how some species thrive in dark, oxygen-free environments
A new study sheds light on how a species of foraminifera, single-celled organisms found in almost all marine habitats, thrives in a dark, oxygen-free environment.
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NewsResearchers team with dogs to discover new truffle species
Researchers have discovered two new species of truffle. Tuber canirevelatum, meaning the ‘dog-found’ truffle, was named in honor of truffle dogs. The other, Tuber cumberlandense, was named for the Cumberland Plateau where it was found.
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NewsGene-edited soil bacteria could provide third source of nitrogen for corn production
If corn was ever jealous of soybean’s relationship with nitrogen-fixing bacteria, advancements in gene editing could one day even the playing field. A recent study from the University of Illinois Urbana-Champaign shows that gene-edited bacteria can supply the equivalent of 35 pounds of nitrogen from the air during early corn ...
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NewsOral cancer and microbiome: new insights into tumor growth mechanisms
A recent study has made significant strides in uncovering how the oral microbiome plays a crucial role in the progression of oral squamous cell carcinoma (OSCC), unveiling metabolic pathways and mechanisms that may serve as potential therapeutic targets.
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NewsStudy takes stock of the known and unknown microbial space
Using publicly available genome sequence data generated over the past three decades, a new study assesses what fraction of the microbial diversity we know about, and proposes a path forward to curate and cultivate what is still unknown.
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NewsReading the genome and understanding evolution: Symbioses and gene transfer in leaf beetles
A new study shows how repeated horizontal gene transfer and the establishment of symbioses with bacteria enabled leaf beetles to rapidly adapt to a plant-based diet, contributing to their remarkable evolutionary success.
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NewsIn the US Northeast, 50% of adult ticks carry Lyme disease carrying bacteria
A new study finds that 50% of adult blacklegged ticks in the US Northeast carry the bacteria that causes Lyme disease while 20% to 25% of the younger (nymph) blacklegged ticks carry the bacteria.
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NewsUprooting Cassava Disease: scientists identify causes of two devastating diseases
In a series of studies, researchers have established the pathogens and the first diagnostic tests for two diseases: Cassava Frogskin Disease and Cassava Witches’ Broom Disease.