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Categories: Biology: Microbiology, Physics: General

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Biology: Biochemistry Biology: Microbiology Biology: Zoology
Published

A new pandemic could ride in on animals we eat, researchers warn      (via sciencedaily.com)     Original source 

Researchers warn the animals we eat could be the gateway for a pandemic in the form of antimicrobial resistance, unleashing a wave of deadly superbugs. The World Health Organization estimates that drug-resistant diseases could cause up to 10 million deaths each year by 2050.

Chemistry: Thermodynamics Computer Science: General Energy: Nuclear Physics: General
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Quenching the intense heat of a fusion plasma may require a well-placed liquid metal evaporator      (via sciencedaily.com)     Original source 

New fusion simulations of the inside of a tokamak reveal the ideal spot for a 'cave' with flowing liquid lithium is near the bottom by the center stack, as the evaporating metal particles should land in just the right spot to dissipate excess heat from the plasma.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Genetics Biology: Microbiology
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'DNA scavengers' can stop some antibiotic resistance from spreading      (via sciencedaily.com)     Original source 

For nearly a century, scientists have waged war on antibiotic-resistant microbes. Researchers say they've found a new way to prevent it -- by unleashing 'DNA scavengers' in wastewater treatment plants.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Microbiology Biology: Molecular Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Geoscience: Geochemistry
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Engineered Bacteria make thermally stable plastics similar to polystyrene and PET      (via sciencedaily.com)     Original source 

Bioengineers around the world have been working to create plastic-producing microbes that could replace the petroleum-based plastics industry. Now, researchers have overcome a major hurdle: getting bacteria to produce polymers that contain ring-like structures, which make the plastics more rigid and thermally stable. Because these molecules are usually toxic to microorganisms, the researchers had to construct a novel metabolic pathway that would enable the E. coli bacteria to both produce and tolerate the accumulation of the polymer and the building blocks it is composed of. The resulting polymer is biodegradable and has physical properties that could lend it to biomedical applications such as drug delivery, though more research is needed.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: Developmental Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular
Published

Benefits and downside of fasting      (via sciencedaily.com)     Original source 

Researchers identified a signaling pathway in mice that boosts intestinal stem cells' regeneration abilities after fasting. When cancerous mutations occurred during this regenerative period, mice were more likely to develop early-stage intestinal tumors.

Chemistry: Biochemistry Energy: Nuclear Offbeat: General Offbeat: Space Physics: General Physics: Quantum Physics Space: Astrophysics Space: Cosmology Space: General Space: Structures and Features
Published

New heaviest exotic antimatter nucleus      (via sciencedaily.com)     Original source 

Scientists studying the tracks of particles streaming from six billion collisions of atomic nuclei at the Relativistic Heavy Ion Collider (RHIC) -- an 'atom smasher' that recreates the conditions of the early universe -- have discovered a new kind of antimatter nucleus, the heaviest ever detected. Composed of four antimatter particles -- an antiproton, two antineutrons, and one antihyperon -- these exotic antinuclei are known as antihyperhydrogen-4.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Energy: Technology Engineering: Nanotechnology Physics: General
Published

Molecular wires with a twist      (via sciencedaily.com)     Original source 

Researchers have developed molecular wires with periodic twists. By controlling the lengths of regions between twists, the electrical conductivity of individual polymer chains can be enhanced. This work may lead to novel organic electronics or single-molecule wires.

Biology: General Biology: Microbiology
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Gut bioelectricity provides a path for 'bad' bacteria to cause diseases      (via sciencedaily.com)     Original source 

Researchers have discovered a novel bioelectrical mechanism that pathogens like Salmonella use to find entry points in the gut lining that would allow pathogens to pass and cause infection.

Biology: Biochemistry Biology: General Biology: Microbiology
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Hospital bacteria tracked better than ever before with new technique      (via sciencedaily.com)     Original source 

New method provides high-resolution surveillance data about multiple common antibiotic-resistant bacteria at once and could help prevent the spread of infections.

Biology: Biochemistry Biology: Cell Biology Biology: General Biology: Microbiology
Published

Mother's gut microbiome during pregnancy shapes baby's brain development      (via sciencedaily.com)     Original source 

A study in mice has found that the bacteria Bifidobacterium breve in the mother's gut during pregnancy supports healthy brain development in the fetus.

Biology: Biochemistry Biology: Cell Biology Biology: General Biology: Microbiology
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How early-life antibiotics turn immunity into allergy      (via sciencedaily.com)     Original source 

Researchers have shown how and why the depletion of microbes in a newborn's gut by antibiotics can lead to lifelong respiratory allergies. The research team identified a specific cascade of events that lead to allergies and asthma, opening many new avenues for exploring potential preventions and treatments.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Genetics Biology: Microbiology
Published

New worm study paves way for better RNA-based drugs to treat human disease      (via sciencedaily.com)     Original source 

Researchers have discovered RNA mechanisms that may lead to more effective, durable and targeted treatments for conditions like high cholesterol, liver diseases and cancers.

Chemistry: Biochemistry Physics: General Physics: Optics Physics: Quantum Computing Physics: Quantum Physics Space: Astronomy Space: Astrophysics Space: General Space: Structures and Features Space: The Solar System
Published

Explanation found for X-ray radiation from black holes      (via sciencedaily.com)     Original source 

Researchers have succeeded in something that has been pursued since the 1970s: explaining the X-ray radiation from the black hole surroundings. The radiation originates from the combined effect of the chaotic movements of magnetic fields and turbulent plasma gas.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: Evolutionary Biology: General Biology: Genetics Biology: Microbiology
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Scientists discover new code governing gene activity      (via sciencedaily.com)     Original source 

A newly discovered code within DNA -- coined 'spatial grammar' -- holds a key to understanding how gene activity is encoded in the human genome. This breakthrough finding revealed a long-postulated hidden spatial grammar embedded in DNA. The research could reshape scientists' understanding of gene regulation and how genetic variations may influence gene expression in development or disease.

Biology: Biochemistry Biology: Biotechnology Biology: General Biology: Microbiology Computer Science: General Mathematics: Modeling
Published

Peering into the mind of artificial intelligence to make better antibiotics      (via sciencedaily.com)     Original source 

Artificial intelligence (AI) has exploded in popularity as of late. But just like a human, it's hard to read an AI model's mind. Explainable AI (XAI) could help us do just that by providing justification for a model's decisions. And now, researchers are using XAI to scrutinize predictive AI models more closely, which could help make better antibiotics.

Biology: Biochemistry Biology: Cell Biology Biology: General Biology: Genetics Biology: Microbiology Chemistry: Biochemistry Chemistry: General Geoscience: Geochemistry
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Key biofuel-producing microalga believed to be a single species is actually three      (via sciencedaily.com)     Original source 

When a global pandemic forced previous a graduate student out of the lab and onto the computer, he found a world of difference hidden in the long-studied species of Botryoccocus braunii -- and discovered that it isn't one species at all, but three.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular Biology: Zoology
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New insights on how bird flu crosses the species barrier      (via sciencedaily.com)     Original source 

The avian influenza virus needs to mutate to cross the species barrier and to infect and replicate within mammalian cells. Scientists have now deciphered the structure of the avian influenza virus's polymerase when it interacts with a human protein essential for the virus to replicate within the cell. The structure of this replication complex provides important information about the mutations that avian influenza polymerase must undergo to adapt to mammals, including humans. These results can help scientists monitor the evolution and adaptability of bird flu strains, such as H5N1 or H7N9, towards infecting other species.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: Developmental Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular Biology: Zoology Offbeat: General Offbeat: Plants and Animals
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Searching old stem cells that stay young forever      (via sciencedaily.com)     Original source 

The sea anemone Nematostella vectensis is potentially immortal. Using molecular genetic methods, developmental biologists have now identified possible candidates for multipotent stem cells in the sea anemone for the first time. These stem cells are regulated by evolutionary highly conserved genes.

Biology: Biochemistry Biology: Cell Biology Biology: General Biology: Microbiology
Published

Low cortisol, hair-trigger stress response in the brain may underlie Long COVID      (via sciencedaily.com)     Original source 

A new animal study shows that exposure to immune-stimulating proteins left behind by COVID-19 leads to lower cortisol, brain inflammation and a heightened reaction to subsequent stressors.