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A cholesterol precursor mediates sensitivity to cell death by ferroptosis

A team of scientists from the University of Ottawa and researchers from other universities and research centers around the world has discovered that 7-dehydrocholesterol (7-DHC) is an endogenous suppressor of ferroptosis, which could have important i.....»»

Category: topSource:  physorgJan 31st, 2024

Light microscopy study reveals molecular density changes during mitotic chromosome condensation

A team of scientists studying cell division developed a special light microscopy system and used it to analyze the molecular density of cellular environments. Their results provide a novel insight into mitotic chromosome condensation in living human.....»»

Category: topSource:  physorgRelated NewsAug 28th, 2024

Discovery explains the chemistry behind the cell"s energy molecule

An international research team led by Professor Magnus Wolf-Watz at UmeĆ„ University has discovered how the magnesium atom directs the chemistry that catalyzes the production of the energy molecule ATP in a cell. The study is published in the journal.....»»

Category: topSource:  physorgRelated NewsAug 28th, 2024

Toyota, BMW to upgrade fuel cell alliance, report says

BMW and Toyota plan to sign a memorandum of understanding for the partnership next week, with an official announcement set for Sept. 5, Nikkei Asia reported......»»

Category: topSource:  autonewsRelated NewsAug 27th, 2024

Dissecting caspase-2-mediated cell death: From intrinsic PIDDosome activation to chemical modulation

Caspase-2, an initiator caspase, plays a critical role in programmed cell death in response to certain cellular stresses. Its activation is facilitated by the PIDDosome, a multi-protein complex that assembles under conditions of genotoxic stress. Des.....»»

Category: topSource:  physorgRelated NewsAug 26th, 2024

Study reveals bioactive power of a natural spearmint compound against weeds

A recent study reveals the natural compound (-)-carvone in spearmint as a potent and sustainable alternative to chemical herbicides. This research demonstrates how (-)-carvone targets and degrades microtubules in weeds, inducing cell death and inhibi.....»»

Category: topSource:  physorgRelated NewsAug 26th, 2024

Researchers investigate cell-free DNA as early sepsis marker in foals

It's hard to be a horse. It's especially hard to be a newborn foal, dropped into a world of microbes and bacteria with your sole initial defense against devastating infections being the antibodies you get from your mother's milk, or colostrum. Resear.....»»

Category: topSource:  physorgRelated NewsAug 26th, 2024

Sound drives "quantum jumps" between electron orbits

Cornell University researchers have demonstrated that acoustic sound waves can be used to control the motion of an electron as it orbits a lattice defect in a diamond, a technique that can potentially improve the sensitivity of quantum sensors and be.....»»

Category: topSource:  physorgRelated NewsAug 26th, 2024

Tomato ripening study highlights cell wall component interactions

Tomato fruit ripening involves intricate biochemical and structural changes, particularly within the cell wall, which are vital for the fruit's final texture and quality. These changes include modifications in polysaccharides and proteins, but the sp.....»»

Category: topSource:  theglobeandmailRelated NewsAug 26th, 2024

Mapping the sex life of malaria parasites at single cell resolution reveals genetics underlying transmission

Malaria is caused by a eukaryotic microbe of the Plasmodium genus, and is responsible for more deaths than all other parasitic diseases combined. In order to transmit from the human host to the mosquito vector, the parasite has to differentiate into.....»»

Category: topSource:  physorgRelated NewsAug 26th, 2024

Schools are competing with cell phones. Here"s how they think they could win

Isabella Pires first noticed what she calls the "gradual apathy pandemic" in eighth grade. Only a handful of classmates registered for service projects she helped organize at her Massachusetts school. Even fewer actually showed up......»»

Category: topSource:  physorgRelated NewsAug 25th, 2024

"Bees starving" in disastrous year for French honey

Beekeepers across France say it has been a disastrous year for honey, with bees starving to death and production plummeting by up to 80 percent......»»

Category: topSource:  physorgRelated NewsAug 25th, 2024

The promise of synthetic cells

For over a decade, scientists have made extraordinary progress on the long-held dream of fabricating an entire cell from nonliving molecules and materials......»»

Category: topSource:  physorgRelated NewsAug 25th, 2024

Single nucleosomes tracked in live cells during cell division using super-resolution microscopy

Individual cells divide through a process called mitosis, during which the cell's copied DNA is separated between two resulting daughter cells. Despite recent advances in cell biology, the mechanism by which DNA condenses during mitosis is still poor.....»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

VW scales back plans for battery cell plants in Europe, North America

VW expects to start production next year at a new gigafactory in Germany, but said it may take longer to scale up battery cell capacity at plants in Spain and Canada......»»

Category: topSource:  autonewsRelated NewsAug 23rd, 2024

Hydrogels can learn to play Pong

Work could lead to new "smart" materials that can learn and adapt to their environment. This electroactive polymer hydrogel "learned" to play Pong. Credit: Cell Reports Physical Science/Strong et al......»»

Category: topSource:  arstechnicaRelated NewsAug 23rd, 2024

Novel silica nonwoven fabric scaffold enhances understanding of cell-to-cell interactions

Communication and coordination among different cells are fundamental aspects that regulate many functions in our body. This process, known as paracrine signaling, involves the release of signaling molecules by a cell into its extracellular matrix (EC.....»»

Category: topSource:  pcmagRelated NewsAug 22nd, 2024

Hacker dad who faked death to avoid child support sentenced to prison

Now he owes child support, plus about $80,000 to repair state death registries. Enlarge (credit: MikeCherim | E+) A Kentucky man has been sentenced to nearly seven years in prison after hacking into state registries to f.....»»

Category: topSource:  arstechnicaRelated NewsAug 22nd, 2024

Unveiling glycoRNAs: New study proves they do exist

In a groundbreaking exploration of cell surface biology, Ryan Flynn has uncovered a surprising role for RNA outside the confines of the cell. Flynn's research, which focuses on the biology of cell surface RNA, led to the discovery that certain RNAs a.....»»

Category: topSource:  physorgRelated NewsAug 21st, 2024

High school book club with prisoner on Death Row explores the complexities, joys of Black life

During the COVID-19 pandemic, when young people across the U.S. were struggling with the isolation, disruptions and frustrations imposed by shuttered schools, online learning and the dearth of social activities, the students in then-high school teach.....»»

Category: topSource:  physorgRelated NewsAug 21st, 2024

Bulwark of blooms: The lily"s secret armor against plant pathogens

Fusarium wilt is a severe threat to the global cut-flower industry, particularly impacting lilies. Caused by Fusarium oxysporum, this disease results in significant economic losses due to plant decay and death. Traditional breeding methods have strug.....»»

Category: topSource:  physorgRelated NewsAug 21st, 2024