News tagged with nucleus
Ghostly gamma-ray beams blast from Milky Way's center
(Phys.org) -- As galaxies go, our Milky Way is pretty quiet. Active galaxies have cores that glow brightly, powered by supermassive black holes swallowing material, and often spit twin jets in opposite directions. ...
May 29, 2012 |
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Copy of the genetic makeup travels in a protein suitcase
Scientists from the Institute for Physical and Theoretical Chemistry at the University of Bonn have succeeded for the first time in the real time filming of the transport of an important information carrier in biological ...
May 25, 2012 |
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Does polyploidy play a role in the onset of the Italian endemic flora?
Besides the obvious differences between plants and animals, subtle ones lie concealed within the cell, even within the nucleus. In both plant and animal cells, the nucleus contains DNA, which condenses into ...
May 22, 2012 |
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How environmental effects regulate genes
Swiss researchers provide evidence that a protein in the cell nucleus responds to environmental stimuli like a kind of sensor, regulates genes accordingly and thus exchanges information with the cell memory. ...
May 22, 2012 |
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Three-telescope interferometry allows astrophysicists to observe how black holes are fueled
(Phys.org) -- By combining the light of three powerful infrared telescopes, an international research team has observed the active accretion phase of a supermassive black hole in the center of a galaxy tens ...
May 16, 2012 |
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Research reveals novel transport mechanism for large ribonucleoproteins
The movement of genetic materials, such as RNA and ribosomes, from the nucleus to the cytoplasm is a critical component in a cell's ability to make the proteins necessary for essential biological functions. Until now, it ...
May 10, 2012 |
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'Faster-ticking clock' indicates early solar system may have evolved faster than we think
Our solar system is four and a half billion years old, but its formation may have occurred over a shorter period of time than we previously thought, says an international team of researchers from the Hebrew University of ...
Space & Earth / Space Exploration
May 01, 2012 |
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On the move for repair
Scientists from the Friedrich Miescher Institute for Biomedical Research have elucidated mechanisms that control DNA movement in the nucleus. They found that DNA with double-strand breaks moves more than undamaged ...
Apr 17, 2012 |
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Direct transfer of plant genes from chloroplasts into the cell nucleus
Chloroplasts, the plant cell's green solar power generators, were once living beings in their own right. This changed about one billion years ago, when they were swallowed up but not digested by larger cells. ...
Apr 13, 2012 |
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Two neutrons at the same time: Discovery of dineutron decay
(Phys.org) -- Nuclear physicists recently witnessed an atomic nucleus do something that nobody had ever seen one do before – two neutrons at the same time.
Apr 12, 2012 |
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Tiny hitchhikers attack cancer cells: Gold nanostars first to deliver drug directly to cancer cell nucleus
Nanotechnology offers powerful new possibilities for targeted cancer therapies, but the design challenges are many. Northwestern University scientists now are the first to develop a simple but specialized nanoparticle that ...
Nanotechnology / Bio & Medicine
Apr 05, 2012 |
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Protein 'jailbreak' helps breast cancer cells live
If the fight against breast cancer were a criminal investigation, then the proteins survivin, HDAC6, CBP, and CRM1 would be among the shadier figures. In that vein, a study to be published in the March 30 ...
Mar 28, 2012 |
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Jupiter helps Halley's Comet give us more spectacular meteor displays
(PhysOrg.com) -- The dramatic appearance of Halley's comet in the night sky has been observed and recorded by astronomers since 240 BC. Now a study shows that the orbital influences of Jupiter on the comet ...
Space & Earth / Space Exploration
Mar 27, 2012 |
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To drive infections, a hijacking virus mimics a cell's signaling system
New biological research reveals how an invading virus hijacks a cell's workings by imitating a signaling marker to defeat the body's defenses. By manipulating cell signals, the virus destroys a defensive protein designed ...
Mar 26, 2012 |
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Artificial comet contains building blocks of life
The first molecules of life form naturally in comets, reveals a French-German study led by Uwe Meierhenrich and Cornelia Meinert at the Institut de Chimie de Nice and by Louis Le Sergeant d'Hendecourt at the ...
Space & Earth / Space Exploration
Mar 21, 2012 |
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Nucleus
Nucleus may refer to:
For more information about Nucleus, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
