Friday, July 10, 2020
Home Tags Bioscience

Tag: bioscience

Age-related impairments reversed in animal model

Eosinophils surrounded by red blood cells (stock image). Credit: © Kateryna_Kon / stock.adobe.com Frailty and immune decline are two main features of old age. Researchers from the University of Bern and the University Hospital Bern now demonstrate in an animal model that these two age-related impairments can be halted and even partially reversed using a…

Driving bacteria to produce potential antibiotic, antiparasitic compounds

Bacteria illustration (stock image). Credit: © Paulista / stock.adobe.com Researchers have developed a method to spur the production of new antibiotic or antiparasitic compounds hiding in the genomes of actinobacteria, which are the source of drugs such as actinomycin and streptomycin and are known to harbor other untapped chemical riches. The scientists report their findings…

Why are plants green?

Leaves in sunlight (stock image). Credit: © Olivier Le Moal / stock.adobe.com When sunlight shining on a leaf changes rapidly, plants must protect themselves from the ensuing sudden surges of solar energy. To cope with these changes, photosynthetic organisms -- from plants to bacteria -- have developed numerous tactics. Scientists have been unable, however, to…

Receptor makes mice strong and slim

Mouse on exercise wheel (stock image). Credit: © Emilia Stasiak / stock.adobe.com Increasing abdominal girth and shrinking muscles are two common side effects of aging. Researchers at the University of Bonn have discovered a receptor in mice that regulates both effects. Experiments with human cell cultures suggest that the corresponding signaling pathways might also exist…

Viruses can steal our genetic code to create new human-virus genes

Influenza virus illustration (stock image). Credit: © Kateryna_Kon / stock.adobe.com Like a scene out of "Invasion of the Body Snatchers," a virus infects a host and converts it into a factory for making more copies of itself. Now researchers have shown that a large group of viruses, including the influenza viruses and other serious pathogens,…

Scientists decode how the brain senses smell

Illustration of brain with olfactory bulb highlighted (stock image). Credit: © pankajstock123 / stock.adobe.com Scientists have further decoded how mammalian brains perceive odors and distinguish one smell from thousands of others. In experiments in mice, NYU Grossman School of Medicine researchers have for the first time created an electrical signature that is perceived as an…

Diluting blood plasma rejuvenates tissue, reverses aging in mice

Red blood cells in artery illustration (stock image). Credit: © vipman4 / stock.adobe.com In 2005, University of California, Berkeley, researchers made the surprising discovery that making conjoined twins out of young and old mice -- such that they share blood and organs -- can rejuvenate tissues and reverse the signs of aging in the old…

Tomato’s hidden mutations revealed in study of 100 varieties

Tomato varieties (stock image). Credit: © Christian BERND / stock.adobe.com Human appetites have transformed the tomato -- DNA and all. After centuries of breeding, what was once a South American berry roughly the size of a pea now takes all sorts of shapes and sizes, from cherry-like to hefty heirloom fruit. Today, scientists are teasing…

Super-potent human antibodies protect against COVID-19 in animal tests

Coronavirus illustration (stock image). Credit: © Mauro Rodrigues / stock.adobe.com A team led by Scripps Research has discovered antibodies in the blood of recovered COVID-19 patients that provide powerful protection against SARS-CoV-2, the coronavirus that causes the disease, when tested in animals and human cell cultures. The research, published today in Science, offers a paradigm…

Showtime for photosynthesis

Close-up of green leaf (stock image). Credit: © Quality Stock Arts / stock.adobe.com Using a unique combination of nanoscale imaging and chemical analysis, an international team of researchers has revealed a key step in the molecular mechanism behind the water splitting reaction of photosynthesis, a finding that could help inform the design of renewable energy…

Scientists engineer human cells with squid-like transparency

Swimming squid (stock image). Credit: © Zac / stock.adobe.com Octopuses, squids and other sea creatures can perform a disappearing act by using specialized tissues in their bodies to manipulate the transmission and reflection of light, and now researchers at the University of California, Irvine have engineered human cells to have similar transparent abilities. In a…

Evolution of pandemic coronavirus outlines path from animals to humans

Coronavirus illustration (stock image). Credit: © Antonio Rodriguez / stock.adobe.com A team of scientists studying the origin of SARS-CoV-2, the virus that has caused the COVID-19 pandemic, found that it was especially well-suited to jump from animals to humans by shapeshifting as it gained the ability to infect human cells. Conducting a genetic analysis, researchers…

Microbial cyborgs: Bacteria supplying power

Bacteria illustration (stock image). Credit: © Paulista / stock.adobe.com Electronic devices are still made of lifeless materials. One day, however, "microbial cyborgs" might be used in fuel cells, biosensors, or bioreactors. Scientists of Karlsruhe Institute of Technology (KIT) have created the necessary prerequisite by developing a programmable, biohybrid system consisting of a nanocomposite and the…

Mutations in SARS-CoV-2 offer insights into virus evolution

Illustration of coronavirus under a microscope (stock image). Credit: © merklicht.de / Adobe Stock By analysing virus genomes from over 7,500 people infected with Covid-19, a UCL-led research team has characterised patterns of diversity of SARS-CoV-2 virus genome, offering clues to direct drugs and vaccine targets. The study, led by the UCL Genetics Institute, identified…

Antibodies from llamas could help in fight against COVID-19, study suggests

Llamas (stock image). Credit: © Countrypixel / Adobe Stock The hunt for an effective treatment for COVID-19 has led one team of researchers to find an improbable ally for their work: a llama named Winter. The team -- from The University of Texas at Austin, the National Institutes of Health and Ghent University in Belgium…

Scientists regenerate neurons in mice with spinal cord injury and optic...

Neuron illustration (stock image). Credit: © peterschreiber.media / Adobe Stock Like power lines in an electrical grid, long wiry projections that grow outward from neurons -- structures known as axons -- form interconnected communication networks that run from the brain to all parts of the body. But unlike an outage in a power line, which…

Naked mole-rats need carbon dioxide to avoid seizures and here’s why

Naked mole-rat (stock image). Credit: © belizar / Adobe Stock African naked mole-rats are sometimes referred to as animal superheroes. They resist cancer, tolerate pain, and live a remarkably long time. They're also known for their ability to handle high levels of carbon dioxide and can go for several minutes without oxygen. But researchers reporting…

‘Designer virus’ is first new oral polio vaccine in 50 years

Poliovirus illustration (stock image). Credit: © Kateryna_Kon / Adobe Stock Before being halted due to the COVID-19 pandemic, a relentless vaccination campaign had nearly succeeded in eradicating polio from the world. Between 2000 and 2017, the World Health Organization (WHO) estimated that its campaign had reduced the burden of the disease by 99 percent, preventing…

Link between obesity and sleep loss

Clock by bed (stock image). Credit: © Bits and Splits / Adobe Stock Can staying up late make you fat? A growing body of research has suggested that poor sleep quality is linked to an increased risk of obesity by deregulating appetite, which in turn leads to more calorie consumption. But a new study published…

New ethane-munching microbes discovered at hot vents

Ethane molecular model (stock image). Credit: © Antonio Scarpi / Adobe Stock Researchers from the Max Planck Institute for Marine Microbiology and the MARUM -- Center for Marine Environmental Sciences, Bremen have discovered a microbe that feeds on ethane at deep-sea hot vents. They also succeeded in cultivating this microbe in the laboratory. What is…

Let's Connect

5,179FansLike
486FollowersFollow
1,551FollowersFollow
- Advertisement -

MOST POPULAR

NEW POSTS

- Advertisement -