News tagged with rna molecules
Related topics: messenger rna , protein , cells , genes , gene expression
New details about gene regulation explained
(Phys.org) -- When genetic information is read from the genetic blueprint DNA, RNA polymerase II translates it into RNA molecules. The C-terminal domain, abbreviated as CTD, is an important area of the polymerase ...
May 21, 2012 |
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RNA reactor could have served as a precursor of life
(PhysOrg.com) -- Nobody knows quite how life originated on Earth, but most scientists agree that living cells did not abruptly appear from nonliving cells in a single step. Instead, there were probably a series ...
Jul 11, 2011 |
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Researchers reveal an RNA modification influences thousands of genes
Over the past decade, research in the field of epigenetics has revealed that chemically modified bases are abundant components of the human genome and has forced us to abandon the notion we've had since high school genetics ...
May 17, 2012 |
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Research uncovers new exception to decades-old rule about RNA splicing
There are always exceptions to a rule, even one that has prevailed for more than three decades, as demonstrated by a Cold Spring Harbor Laboratory (CSHL) study on RNA splicing, a cellular editing process. The rule-flaunting ...
May 17, 2012 |
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Real-time monitoring of RNA splicing in living cells moves step closer with novel fluorescent probe
Numerous biological processes depend on molecules called lariat RNAs (LaRNAs). These lasso-shaped structures form in the cell during RNA splicing. During this process, transcribed RNA strands convert to messenger ...
May 24, 2012 |
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Simpler times: Did an earlier genetic molecule predate DNA and RNA?
(PhysOrg.com) -- In the chemistry of the living world, a pair of nucleic acids—DNA and RNA—reign supreme. As carrier molecules of the genetic code, they provide all organisms with a mechanism for ...
Jan 09, 2012 |
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Organic compounds found in proto-planetary disks
(PhysOrg.com) -- A new study from scientists in the US has reported that organic compounds could be formed in proto-planetary disks, and could have seeded the development of life in our own and other planetary ...
Mar 30, 2012 |
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Scientists observe single gene activity in living cells
Researchers at Albert Einstein College of Medicine of Yeshiva University have for the first time observed the activity of a single gene in living cells. In an unprecedented study, published in the April 22 online edition ...
Apr 21, 2011 |
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Pocket chemistry: DNA helps glucose meters measure more than sugar
Glucose meters aren't just for diabetics anymore. Thanks to University of Illinois chemists, they can be used as simple, portable, inexpensive meters for a number of target molecules in blood, serum, water ...
Jul 24, 2011 |
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These cancer cells will self-destruct in 5...4...
Cancer is a difficult disease to treat because it's a personal disease. Each case is unique and based on a combination of environmental and genetic factors. Conventional chemotherapy employs treatment with ...
Sep 06, 2010 |
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A mystery solved: How genes are selectively silenced
Cells read only those genes which are needed at a given moment, while the others are chemically labeled and, thus, selectively turned off. Scientists at the German Cancer Research Center have now been the first to discover ...
Oct 18, 2010 |
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Study reveals how ribosomes override their blockades
Ribosomes are "protein factories" in the cells of all living things. They produce proteins based on existing genetic codes stored on special nucleic acid molecules. These molecules, also called messenger RNA (mRNA) due to ...
May 14, 2012 |
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Scientists create tiny RNA molecule with big implications for life's origins
An extremely small RNA molecule created by a University of Colorado at Boulder team can catalyze a key reaction needed to synthesize proteins, the building blocks of life. The findings could be a substantial ...
Feb 22, 2010 |
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Molecular fossil: Crystal structure shows how RNA, one of biology's oldest catalysts, is made
(PhysOrg.com) -- In today's world of sophisticated organisms proteins are the stars. They are the indispensible catalytic workhorses, carrying out the processes essential to life. But long, long ago ribonucleic ...
Nov 14, 2010 |
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Unselfish molecules may have helped give birth to the genetic material of life (w/ Video)
One of the biggest questions facing scientists today is how life began. How did non-living molecules come together in that primordial ooze to form the polymers of life? Scientists at the Georgia Institute of Technology have ...
Mar 08, 2010 |
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