Curated News: PNAS

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Released: 7-Jul-2021 2:45 PM EDT
Phage Display-Based Gene Delivery: A Viable Platform Technology for COVID-19 Vaccine Design and Development
Rutgers Cancer Institute of New Jersey

Researchers at Rutgers Cancer Institute of New Jersey, Rutgers New Jersey Medical School (NJMS) and the Center for Theoretical Biological Physics (CTBP) at Rice University in Houston, Texas, have demonstrated that a technology with favorable biological attributes known as phage display could be a viable platform for the development of new vaccines to protect against COVID-19.

Released: 6-Jul-2021 1:05 PM EDT
Story tips: Powered by Nature, Get on the Bus, Accelerating Methane, Helping JET Soar, Charged Up Planning and Building a Better Thermostat
Oak Ridge National Laboratory

ORNL story tips: Powered by nature, get on the bus, accelerating methane, helping JET soar, charged up planning and building a better thermostat

Released: 6-Jul-2021 6:05 AM EDT
Male dragonflies lose their ‘bling’ in hotter climates
Washington University in St. Louis

A study led by Michael Moore at Washington University in St. Louis finds that dragonfly males have consistently evolved less breeding coloration in regions with hotter climates. The work reveals that mating-related traits can be just as important to how organisms adapt to their climates as survival-related traits.

1-Jul-2021 5:05 PM EDT
Self-Powered Implantable Device Stimulates Fast Bone Healing, Then Disappears Without a Trace
University of Wisconsin–Madison

Researchers know that electricity can help speed up bone healing, but “zapping” fractures has never really caught on, since it requires surgically implanting and removing electrodes powered by an external source. Xudong Wang’s latest invention may make electrostimulation a much more convenient option to speed up bone healing.

Released: 2-Jul-2021 8:05 AM EDT
University of Kentucky Study Finds Time-Restricted Eating May Reduce Diabetes-Related Hypertension
University of Kentucky

A new University of Kentucky College of Medicine study suggests that time-restricted eating may be able to help people with Type 2 diabetes reduce nocturnal hypertension, which is characterized by elevated blood pressure at night.

Released: 30-Jun-2021 11:05 AM EDT
Speedy Nanorobots Could Someday Clean Up Soil and Water, Deliver Drugs
University of Colorado Boulder

University of Colorado Boulder researchers have discovered that minuscule, self-propelled particles called "nanoswimmers" can escape from mazes as much as 20 times faster than other, passive particles, paving the way for their use in everything from industrial clean-ups to medication delivery.

Released: 30-Jun-2021 10:20 AM EDT
How Plants Become Good Neighbours in Times of Stress
University of Bristol

Scientists from the University of Bristol and the John Innes Centre have discovered how plants manage to live alongside each other in places that are dark and shady.

Released: 29-Jun-2021 10:30 AM EDT
Hackensack Meridian CDI Scientists Discover New Tuberculosis Treatment Pathway
Hackensack Meridian Health

The compound TA-C is metabolized by TB bacteria – weakening the germ from within like a ‘Trojan horse’ attack

Released: 29-Jun-2021 7:00 AM EDT
Researchers discover unique ‘spider web’ mechanism that traps, kills viruses such as SARS-CoV-2 and influenza
McMaster University

Immunologists at McMaster University have discovered a previously unknown mechanism which acts like a spider web, trapping and killing pathogens such as influenza or SARS-CoV-2, the virus responsible for COVID-19.

23-Jun-2021 4:30 PM EDT
COVID-19’s Socio-Economic Fallout Threatens Global Coffee Industry
Rutgers University-New Brunswick

COVID-19’s socio-economic effects will likely cause another severe production crisis in the coffee industry, according to a Rutgers University-led study.

Released: 21-Jun-2021 3:40 PM EDT
‘Pack Ice’ Tectonics Reveal Venus’ Geological Secrets
North Carolina State University

A new analysis of Venus’ surface shows evidence of tectonic motion in the form of crustal blocks that have jostled against each other like broken chunks of pack ice.

Released: 14-Jun-2021 3:40 PM EDT
More Than a Bumpy Ride: Turbulence Offers Boost to Birds
Cornell University

By combining wind speed data with the measured accelerations of a golden eagle outfitted with GPS tracking instruments, researchers suggest that, rather than hindering flight, turbulence is a source of energy that birds may use to their advantage.

Released: 14-Jun-2021 11:35 AM EDT
New Tissue-Closure Model May Aid in Promotion of Faster Wound Healing
Penn State Materials Research Institute

The observation of a previously undetected biological mechanism for closing gaps in living tissue improves basic understanding of the wound-healing process and may one day inform strategies to speed healing after surgery and could hold other medical benefits, according to a team of Penn State and Singapore researchers.

Released: 14-Jun-2021 8:30 AM EDT
Shrinking to Survive: Bacteria Adapt to a Lifestyle in Flux
Washington University in St. Louis

Summer picnics and barbecues are only a few weeks away! As excited as you are to indulge this summer, Escherichia coli bacteria are eager to feast on the all-you-can-eat buffet they are about to experience in your gut. However, something unexpected will occur as E. coli cells end their journey through your digestive tract. Without warning, they will find themselves swimming in your toilet bowl, clinging to the last bits of nutrients attached to their bodies.

   
Released: 7-Jun-2021 4:10 PM EDT
Mandating vaccination could reduce voluntary compliance
Santa Fe Institute

A new study based on evidence from Germany and on a model of the dynamic nature of people’s resistance to COVID-19 vaccination sounds an alarm: mandating vaccination could have a substantial negative impact on voluntary compliance.

   
Released: 7-Jun-2021 4:05 PM EDT
Why arctic soil can go slip-sliding away
Los Alamos National Laboratory

Slow-moving arctic soils form patterns that, from a distance, resemble those found in common fluids such as drips in paint and birthday cake icing.

Released: 7-Jun-2021 3:50 PM EDT
Darkened Windows Save Migrating Birds
Cornell University

Building lights are a deadly lure for the billions of birds that migrate at night, disrupting their natural navigation cues and leading to deadly collisions. But even if you can’t turn out all the lights in a building, darkening even some windows at night during bird migration periods could be a major lifesaver for birds.

3-Jun-2021 12:45 PM EDT
Analysis reveals how kidney cancer develops and responds to treatment
Michigan Medicine - University of Michigan

By sequencing the RNA of individual cells within multiple benign and cancerous kidney tumors, researchers from the University of Michigan Rogel Cancer Center have identified the cells from which different subtypes originate, the pathways involved and how the tumor microenvironment impacts cancer development and response to treatment.

Released: 7-Jun-2021 1:20 PM EDT
Trained Viruses Prove More Effective at Fighting Antibiotic Resistance
University of California San Diego

Research reveals that phage viruses that undergo special evolutionary training increase their capacity to subdue bacteria. The results provide hope for the antibiotic resistance crisis, a rising threat as deadly bacteria continue to evolve to render many modern drugs ineffective.

Released: 7-Jun-2021 8:05 AM EDT
Lighting Up Ultrafast Magnetism in a Metal Oxide
Brookhaven National Laboratory

Scientists studied what happens when very short pulses of laser light strike a magnetic material. Understanding how magnetic correlations change over short timescales is the first step in being able to control magnetism for applications.

Released: 2-Jun-2021 4:55 PM EDT
Advanced Photon Source helps reveal how antibodies bind a molecule linked to cancer
Argonne National Laboratory

Researchers have developed antibodies that can bind to phosphohistidine, an unstable molecule that’s linked to cancer. To learn how the two bind together, the team turned to the powerful X-rays at Argonne’s Advanced Photon Source. These new insights into its structure will help scientists design better antibodies for potential treatments.

   
Released: 2-Jun-2021 9:25 AM EDT
Revealed: men and women do think and act differently
University of Sydney

Men are more likely to make extreme choices and decisions than women, according to new research on economic decision-making, led by an international team of scientists.

Released: 1-Jun-2021 2:55 PM EDT
Extreme CO2 greenhouse effect heated up the young Earth
University of Cologne

Very high atmospheric CO2 levels can explain the high temperatures on the still young Earth three to four billion years ago. At the time, our Sun shone with only 70 to 80 per cent of its present intensity.

27-May-2021 6:30 PM EDT
A Technique for Regulating Emotion May be Effective in Disrupting Compulsive Cocaine Addiction, a Mount Sinai Study Has Found
Mount Sinai Health System

An emotion regulation strategy known as cognitive reappraisal helped reduce the typically heightened and habitual attention to drug-related cues and contexts in cocaine-addicted individuals, a study by Mount Sinai researchers has found.

Released: 24-May-2021 10:05 PM EDT
A seedy slice of history: Watermelons actually came from northeast Africa
Washington University in St. Louis

Just in time for picnic-table trivia, a new study published rewrites the origins of domesticated watermelons.Using DNA from greenhouse-grown plants representing all species and hundreds of varieties of watermelon, scientists discovered that watermelons most likely came from wild crop progenitors in northeast Africa.

Released: 24-May-2021 10:05 PM EDT
Made in the shade or fun in the sun
Washington University in St. Louis

Researchers discovered how individual phytochrome isoforms respond differently to light intensity and temperature, enabling land plants to colonize the planet many millions of years ago -- and allowing plants to acclimate to a wide array of terrestrial environments.

Released: 21-May-2021 11:25 AM EDT
Itch Insight: Skin Itch Mechanisms Differ on Hairless Versus Hairy Skin
Georgia Institute of Technology

Researchers at Georgia Tech have uncovered differences in itch on hairy versus non-hairy skin that could lead to more effective treatments for patients with persistent skin itching.

Released: 18-May-2021 4:45 PM EDT
Grape genetics research reveals what makes the perfect flower
Cornell University

Cornell University scientists have worked with the University of California, Davis, to identify the DNA markers that determine grape flower sex. In the process, they also pinpointed the genetic origins of the perfect flower.

Released: 18-May-2021 3:55 PM EDT
Analysis Suggesting Measles, Polio and Tuberculosis Vaccines May Boost Immunity to Coronavirus
Institute of Human Virology at the University of Maryland School of Medicine

Institute of Human Virology at the University of Maryland School of Maryland scientists, who are also members of the Global Virus Network (GVN), a coalition comprised of human and animal virologists from 63 Centers of Excellence and 11 Affiliates in 35 countries, and colleagues today published a perspective proposing that live attenuated vaccines (LAVs), such as those for tuberculosis, measles, and polio, may induce protective innate immunity that mitigate other infectious diseases, triggering the human body’s natural emergency response to infections including COVID-19 as well as future pandemic threats.

Released: 18-May-2021 7:05 AM EDT
Compound May Prevent Arrhythmia Caused by Medicines
Stony Brook University

A team of researchers including Ira S. Cohen, MD, PhD, of the Renaissance School of Medicine at Stony Brook University, has identified a compound that prevents the lengthening of the heart’s electrical event which can cause a lengthening of the EKG’s Q-T interval and a sometimes deadly arrhythmia.

Released: 17-May-2021 9:05 PM EDT
How imperfect memory causes poor choices
University of California, Berkeley Haas School of Business

Researchers compared responses to open-ended versus list-based choices, and found that when asked to name as many favorite brands as they could, people seemed to forget to mention items they liked best, choosing less-preferred, but more easily remembered items instead.

   
Released: 17-May-2021 4:05 PM EDT
Compound may prevent risk of form of arrhythmia from common medications
Washington University in St. Louis

A team led by researchers including Jianmin Cui, professor of biomedical engineering, discovered a compound that prevents and even reverses the underlying physiological change that can lead some drugs to cause heart problems.

Released: 17-May-2021 3:35 PM EDT
Discovery of new material could someday aid in nuclear nonproliferation
Los Alamos National Laboratory

A newly discovered quasicrystal that was created by the first nuclear explosion at Trinity Site, N.M., on July 16, 1945, could someday help scientists better understand illicit nuclear explosions and curb nuclear proliferation.

Released: 17-May-2021 11:50 AM EDT
Engineered organism could diagnose Crohn's disease flareups
Rice University

In an important step toward the clinical application of synthetic biology, Rice University researchers have engineered a bacterium with the necessary capabilities for diagnosing a human disease.

   
Released: 11-May-2021 12:40 PM EDT
Researchers find target to fight antibiotic resistance
University of Georgia

New research from the University of Georgia suggests a component of bacteria’s cell walls may hold the key to crushing the antibiotic-resistant microbes.

7-May-2021 12:45 PM EDT
New Neuroelectronic System Can Read and Modify Brain Circuits
Columbia University School of Engineering and Applied Science

Responsive neurostimulation is becoming increasingly effective at probing neural circuit function and treating neuropsychiatric disorders, such as epilepsy and Parkinson’s disease. A new approach from Columbia Engineering researchers shows great promise in improving the limitations of current bulky devices. They have built a high-performance implantable system that enables reading and manipulation of brain circuits in real time.

Released: 6-May-2021 10:50 AM EDT
Blanks for the Memory
UC San Diego Health

UC San Diego researchers report that one kind of perceptual learning can occur in memory-impaired persons who do not actually remember what they learned.

Released: 5-May-2021 5:00 PM EDT
New Method Identifies Tau Aggregates Occurring in Healthy Body Structures
Perelman School of Medicine at the University of Pennsylvania

Researchers used microscopy and machine learning to distinguish tau protein aggregates occurring as part of healthy functions from those occurring in disease

Released: 4-May-2021 6:05 PM EDT
First Detailed Look at How Charge Transfer Distorts a Molecule’s Structure
SLAC National Accelerator Laboratory

When light hits certain molecules, it dislodges electrons and creates areas of positive and negative charge. An X-ray free-electron laser study has directly observed how this charge transfer affects a molecule's structure for the first time.

Released: 28-Apr-2021 10:50 AM EDT
Using nanobodies to block a tick-borne bacterial infection
Ohio State University

Tiny molecules called nanobodies, which can be designed to mimic antibody structures and functions, may be the key to blocking a tick-borne bacterial infection that remains out of reach of almost all antibiotics, new research suggests.

   
Released: 26-Apr-2021 3:55 PM EDT
Genetic Changes in Head and Neck Cancer, Immunotherapy Resistance Identified
UC San Diego Health

A multi-institutional team of researchers, led by UC San Diego School of Medicine and Moores Cancer Center, has identified both the genetic abnormalities that drive pre-cancer cells into becoming an invasive type of head and neck cancer and patients who are least likely to respond to immunotherapy.

23-Apr-2021 1:05 PM EDT
Human genome editing requires difficult conversations between science and society
University of Wisconsin–Madison

Researchers argue that advanced tech, especially CRISPR, demands more robust and thoughtful public engagement if it is to be harnessed to benefit the public without crossing ethical lines.

   
Released: 26-Apr-2021 12:35 PM EDT
Nanobodies inhibit SARS-CoV-2 infection
Walter & Eliza Hall Institute

Australian researchers have identified neutralising nanobodies that block the SARS-CoV-2 virus from entering cells in preclinical models.

Released: 20-Apr-2021 11:35 AM EDT
How Racial Violence Affects Black Americans' Mental Health
Washington University in St. Louis

Black Americans experience an increase in poor mental health days during weeks when two or more incidents of anti-Black violence occur and when national interest surrounding the events is higher, according to a new study.

Released: 20-Apr-2021 10:15 AM EDT
Specialized technique captures unique protein structures in neuropathy disorders
University of Michigan

Charcot Marie Tooth and Dejerine-Sottas syndrome are groups of diseases that involve the breakdown of the myelin sheath covering nerve axons.

Released: 14-Apr-2021 10:05 AM EDT
Suppression of COVID-19 Waves Reflects Time-Dependent Social Activity, Not Herd Immunity
Brookhaven National Laboratory

Scientists developed a new mathematical model for predicting how COVID-19 spreads, accounting for individuals’ varying biological susceptibility and levels of social activity, which naturally change over time.

Released: 13-Apr-2021 12:50 PM EDT
Narratives Can Help Science Counter Misinformation on Vaccines
Iowa State University

Narratives are a powerful tool that can help explain complex issues, but they can also serve as sources of misinformation, which presents a challenge as public health agencies work to educate people about COVID-19 vaccine.

     
Released: 12-Apr-2021 3:55 PM EDT
Microplastics in Land, Sea, Air a Sign of ‘Legacy Pollution’
Cornell University

Plastics cycle through the oceans and roadways and become plastic dust, which rides the jet stream across continents.

Released: 12-Apr-2021 3:50 PM EDT
Using Emotion and Humor to Combat Science Misinformation
University of Utah

University of Utah professor publishes article in Proceedings of National Academics of Sciences examining the use of humor in science information.

     


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