News tagged with messenger
Genome-wide map shows precisely where microRNAs do their work
Medicine & Health / Neuroscience
Jun 17, 2009 |
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MicroRNAs are the newest kid on the genetic block. By regulating the unzipping of genetic information, these tiny molecules have set the scientific world alight with such wide-ranging applications as onions ...
Magnetic Tornadoes Could Liberate Mercury's Tenuous Atmosphere
Space & Earth / Space Exploration
Jun 02, 2009 |
4.2 / 5 (6) |
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(PhysOrg.com) -- As the closest planet to the sun, Mercury is scorching hot, with daytime temperatures of more than 800 degrees Fahrenheit (approximately 450 degrees Celsius). It is also the smallest rocky ...
Cuba criticizes Microsoft blocking Messenger
May 30, 2009 |
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(AP) -- Cuba criticized Microsoft on Friday for blocking its Messenger instant messaging service on the island and in other countries under U.S. sanctions, calling it yet another example of Washington's "harsh" ...
Viruses are sneakier than we thought
May 27, 2009 |
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Viruses are molecular marauders, plundering cells for the resources they need to multiply. Of central importance for viruses is the ability to commandeer cellular gene expression machinery. Several human herpesviruses put ...
Scientists find shared genetic link between periodontitis and heart attack
May 25, 2009 |
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The relationship between the dental disease periodontitis and coronary heart disease (CHD) has been known for several years. Although a genetic link seemed likely, until now its existence was uncertain. Now, for the first ...
Magnesium detected in MESSENGER flyby of Mercury (w/Video)
Space & Earth / Space Exploration
Apr 30, 2009 |
4.5 / 5 (6) |
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NASA's MESSENGER spacecraft served up another curveball to a University of Colorado at Boulder team after a second flyby of the hot inner planet Oct. 6 detected magnesium -- an element created inside exploding ...
Researchers use multispectral images to reveal origin and evolution of Mercury
Space & Earth / Space Exploration
Apr 30, 2009 |
5 / 5 (5) |
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Up until last year globes of Mercury were blank on one side. The Mariner 10 spacecraft explored the small planet in three flybys (1974-1975), but since no more than half was ever seen it remained the least ...
Recycler protein helps prevent disease
Apr 30, 2009 |
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Recycling is important not only on a global scale, but also at the cellular level, since key molecules tend to be available in limited numbers. This means a cell needs to have efficient recycling mechanisms. Researchers at ...
How cells change gears
Apr 20, 2009 |
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Bioinformatics researchers from UC San Diego just moved closer to unlocking the mystery of how human cells switch from "proliferation mode" to "specialization mode." This computational biology work from the ...
Scientists use RNA to reprogram one cell type into another
Apr 16, 2009 |
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(PhysOrg.com) -- For the past decade, researchers have tried to tweak cells at the gene and nucleus level to reprogram their identity. Now, working on the idea that the signature of a cell is defined by molecules ...
Researchers study signaling networks that set up genetic code
Apr 14, 2009 |
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(PhysOrg.com) -- In a new study, researchers at the University of Illinois have identified and visualized the signaling pathways in protein-RNA complexes that help set the genetic code in all organisms. The ...
Working to eradicate dengue fever
Apr 13, 2009 |
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(PhysOrg.com) -- A research project led by University of Notre Dame biologist Malcolm J. Fraser Jr. may soon lead to the eradication of dengue fever, a mosquito-borne viral disease that annually infects more ...
MicroRNA undermines tumor suppression
Mar 17, 2009 |
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A small piece of RNA, or microRNA (miRNA), ratchets down the activity of the tumor-suppressor gene p53, according to a study by Whitehead Institute and National University of Singapore researchers.
Master Molecular Switch May Prevent the Spread of Cancer Cells to Distant Sites in the Body
Mar 16, 2009 |
4.8 / 5 (6) |
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Researchers at the University of Pennsylvania School of Medicine have identified a master switch that might prevent cancer cells from metastasizing from a primary tumor to other organs. The switch is a protein ...
Biologists find optimistic worms are ready for rapid recovery
Mar 09, 2009 |
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For the tiny soil-dwelling nematode worm Caenorhabditis elegans, life is usually a situation of feast or famine. Researchers at the California Institute of Technology (Caltech) have found that this worm has evolved a surprisingly ...
