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Study finds evidence for existence of elusive ‘metabolon’

HeLa cervical cancer cells (stock image). Credit: © heitipaves / Adobe Stock For more than 40 years, scientists have hypothesized the existence of enzyme clusters, or "metabolons," in facilitating various processes within cells. Using a novel imaging technology combined with mass spectrometry, researchers at Penn State, for the first time, have directly observed functional metabolons…

Long-living tropical trees play outsized role in carbon storage

Panama rainforest (stock image). Credit: © momentscatcher / Adobe Stock A group of trees that grow fast, live long lives and reproduce slowly account for the bulk of the biomass -- and carbon storage -- in some tropical rainforests, a team of scientists says in a paper published this week in the journal Science. The…

Trial drug can significantly block early stages of COVID-19 in engineered...

SARS-CoV-2 coronavirus illustration (stock image). Credit: © Kateryna_Kon / Adobe Stock An international team led by University of British Columbia researcher Dr. Josef Penninger has found a trial drug that effectively blocks the cellular door SARS-CoV-2 uses to infect its hosts. The findings, published today in Cell, hold promise as a treatment capable of stopping…

Old human cells rejuvenated with stem cell technology

Stem cells illustration (stock image). Credit: © nobeastsofierce / Adobe Stock Old human cells return to a more youthful and vigorous state after being induced to briefly express a panel of proteins involved in embryonic development, according to a new study by researchers at the Stanford University School of Medicine. The researchers also found that…

As the ocean warms, marine species relocate toward the poles

Greenland iceberg (stock image). Credit: © mikhail79spb / Adobe Stock Since pre-industrial times, the world's oceans have warmed by an average of one degree Celsius (1°C). Now researchers report in Current Biology on March 26th that those rising temperatures have led to widespread changes in the population sizes of marine species. The researchers found a…

New genetic editing powers discovered in squid

Squid (stock image). Credit: © Ramsey / Adobe Stock Revealing yet another super-power in the skillful squid, scientists have discovered that squid massively edit their own genetic instructions not only within the nucleus of their neurons, but also within the axon -- the long, slender neural projections that transmit electrical impulses to other neurons. This…

Microbial DNA in patient blood may be tell-tale sign of cancer

Blood samples (stock image). Credit: © angellodeco / Adobe Stock When Gregory Poore was a freshman in college, his otherwise healthy grandmother was shocked to learn that she had late-stage pancreatic cancer. The condition was diagnosed in late December. She died in January. "She had virtually no warning signs or symptoms," Poore said. "No one…

The microbes in your mouth, and a reminder to floss and...

Brushing teeth (stock image). Credit: © Alliance / Adobe Stock Most people know that good oral hygiene -- brushing, flossing, and regular dental visits -- is linked to good health. Colorado State University microbiome researchers offer fresh evidence to support that conventional wisdom, by taking a close look at invisible communities of microbes that live…

The brains of shrimps and insects are more alike than we...

Shrimp swimming (stock image). Credit: © mary / Adobe Stock New research shows that crustaceans such as shrimps, lobsters and crabs have more in common with their insect relatives than previously thought -- when it comes to the structure of their brains. Both insects and crustaceans possess mushroom-shaped brain structures known in insects to be…

Drug meant for Ebola may also work against coronaviruses

3D virus illustration (stock image). Credit: © dottedyeti / Adobe Stock A group of University of Alberta researchers who have discovered why the drug remdesivir is effective in treating the coronaviruses that cause Middle East respiratory syndrome (MERS) and severe acute respiratory syndrome (SARS) expect it might also be effective for treating patients infected with…

How caloric restriction prevents negative effects of aging in cells

Peas on plate, dieting concept (stock image). Credit: © Studio KIVI / Adobe Stock If you want to reduce levels of inflammation throughout your body, delay the onset of age-related diseases, and live longer, eat less food. That's the conclusion of a new study by scientists from the US and China that provides the most…

Artificial intelligence yields new antibiotic

Bacterial colony in dish (stock image). Credit: © motorolka / Adobe Stock Using a machine-learning algorithm, MIT researchers have identified a powerful new antibiotic compound. In laboratory tests, the drug killed many of the world's most problematic disease-causing bacteria, including some strains that are resistant to all known antibiotics. It also cleared infections in two…

What birdsong tells us about brain cells and learning

Zebra finch (stock image). Credit: © thawats / Adobe Stock Most scientists who study the brain believe that memories are stored through networks of synapses, or connections that form between neurons. Learning takes place as neurons form new connections and strengthen or weaken existing ones, giving the brain its so-called synaptic plasticity. There is growing…

Bacteria on the International Space Station no more dangerous than earthbound...

Illustration of International Space Station orbiting Earth (stock image). Credit: © 3dsculptor / Adobe Stock Two particularly tenacious species of bacteria have colonized the potable water dispenser aboard the International Space Station (ISS), but a new study suggests that they are no more dangerous than closely related strains on Earth. Aubrie O'Rourke of the J.…

Researchers Were Not Right About Left Brains, Study Suggests

Left and right sides of brain illustration (stock image). Credit: © nerthuz / Adobe Stock The left and right side of the brain are involved in different tasks. This functional lateralization and associated brain asymmetry are well documented in humans, but little is known about brain asymmetry in our closest living relatives, the great apes.…

Algae team rosters could help ID ‘super corals’

Coral reef (stock image). Credit: © ver0nicka / Adobe Stock U.S. and Australian researchers have found a potential tool for identifying "super corals" that can tolerate a limited amount of climate change. "We may be able to use algae team characteristics to identify coral colonies to focus on for conservation or restoration,'" said veteran reef…

Scientists reverse reproductive clock in mice

Lab mouse (stock image). Credit: © filin174 / Adobe Stock Researchers have lifted fertility rates in older female mice with small doses of a metabolic compound that reverses the aging process in eggs, offering hope for some women struggling to conceive. The University of Queensland study found a non-invasive treatment could maintain or restore the…

Researchers stimulate areas vital to consciousness in monkeys’ brains — and...

Brain illustration (stock image). Credit: © PIC4U / Adobe Stock One of the central questions in neuroscience is clarifying where in the brain consciousness, which is the ability to experience internal and external sensations, arises. On February 12 in the journal Neuron, researchers report that a specific area in the brain, the central lateral thalamus,…

New ‘universal’ target for antiviral treatment

Illustration of viruses (stock image). Credit: © Axel Kock / Adobe Stock As the coronavirus outbreak shows, viruses are a constant threat to humanity. Vaccines are regularly developed and deployed against specific viruses, but that process takes a lot of time, doesn't help everyone who needs protection, and still leaves people exposed to new outbreaks…

‘Rule breaking’ plants may be climate change survivors

Plantago lanceolate (stock image). Credit: © Tetiana / Adobe Stock Plants that break some of the 'rules' of ecology by adapting in unconventional ways may have a higher chance of surviving climate change, according to researchers from the University of Queensland and Trinity College Dublin. Dr Annabel Smith, from UQ's School of Agriculture and Food…

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