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30 October 2014
First detailed picture of a cancer-related cell enzyme in action on a chromosome unit
A landmark study to be published in the October 30, 2014 print edition of Nature provides new insight into the function of an enzyme related to the BRCA1 breast cancer protein.


29 October 2014
New study uses DNA sequences to look back in time at key events in plant evolution
A paper in the Proceedings of the National Academy of Sciences U.S.A. reveals important details about key transitions in the evolution of plant life on our planet.


28 October 2014
Synapses always on the starting blocks
While neurons rapidly propagate information in their interior by electrical signals, they communicate with each other at special contact points, the synapses. Chemical messenger substances, neurotransmitters, are stored in vesicles at the synapses.


27 October 2014
How microbes build a powerful antibiotic
University of Illinois researchers report in Nature that they have made a breakthrough in understanding how a powerful antibiotic agent is made in nature.


24 October 2014
Bristol team creates designer ‘barrel’ proteins
Proteins are long linear molecules that fold up to form well-defined 3D shapes. These 3D molecular architectures are essential for biological functions such as the elasticity of skin, the digestion of food, and the transport of oxygen in blood.


23 October 2014
Some scientists share better than others
Some scientists share better than others. While astronomers and geneticists embrace the concept, ecologists still have a way to go.


22 October 2014
Tarantula venom illuminates electrical activity in live cells
Researchers have created a cellular probe that combines a tarantula toxin with a fluorescent compound to help scientists observe electrical activity in neurons and other cells.


21 October 2014
Researchers discover new functionality of molecular light switches
Diatoms play an important role in water quality and in the global climate. They generate about one fourth of the oxygen in the Earth’s atmosphere and perform around one-quarter of the global CO2 assimilation.


20 October 2014
New insight that ‘mega’ cells control the growth of blood-producing cells
While megakaryocytes are best known for producing platelets that heal wounds, these ‘mega’ cells found in bone marrow also play a critical role in regulating stem cells according to new research from the Stowers Institute for Medical Research.


17 October 2014
How mitochondria began
Parasitic bacteria were the first cousins of the mitochondria that power cells in animals and plants – and first acted as energy parasites in those cells before becoming beneficial, according to a new University of Virginia study.


16 October 2014
Scientists map key moment in assembly of DNA-splitting molecular machine
New work has revealed the crucial steps and surprising structures in the genesis of the enzyme that divides the DNA double helix during cell replication.


15 October 2014
Prostate cancer’s penchant for copper may be a fatal flaw
Prostate cancer tumours scavenge and hoard copper that is an essential element in the body. But such avarice may be a fatal weakness.


14 October 2014
Moderate levels of ‘free radicals’ found beneficial to healing wounds
Long assumed to be destructive to tissues and cells, ‘free radicals’ generated by the cell’s mitochondria—the energy producing structures in the cell—are actually beneficial to healing wounds.


13 October 2014
Atomic map reveals clues to how cholesterol is made
In spite of its dangerous reputation, cholesterol is in fact an essential component of human cells. Manufactured by the cells themselves, it serves to stiffen the cell’s membrane, helping to shape the cell and protect it.




 
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