News tagged with rna strands
Scientists crash test DNA's replication machinery
(PhysOrg.com) -- Important molecular machines routinely crash into one another while plying their trades on DNA. New research shows that the enzymes that copy DNA before cell division, called replisomes, are the kings of ...
Feb 10, 2010 |
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Chemists Discover How Cells Create Stability During Critical DNA-to-RNA Information Transfers
(PhysOrg.com) -- A pair of University of Massachusetts Amherst chemists believe they have for the first time explained how the main players in transcription -- RNA polymerase, RNA (red in illustration) and ...
Dec 29, 2009 |
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Study uncovers how DNA unfolds for transcription
(PhysOrg.com) -- The human genome contains some 3 billion base pairs that are tightly compacted into the nucleus of each cell. If a DNA strand were the thickness of a human hair, the entire human genome would ...
Jan 17, 2012 |
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Scientists identify antivirus system
(PhysOrg.com) -- Viruses have led scientists at Washington University School of Medicine in St. Louis to the discovery of a security system in host cells.
Nov 17, 2010 |
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First live targeting of tumors with RNA-based technology
(PhysOrg.com) -- Finding and treating a tumor without disturbing normal tissue presents challenges - sometimes the most effective therapies can be invasive and harsh.
Nov 30, 2009 |
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Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)
(PhysOrg.com) -- The atomic-level action of a remarkable class of ring-shaped protein motors has been uncovered by researchers with the Lawrence Berkeley National Laboratory using a state-of-the-art protein ...
Nov 20, 2009 |
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Link uncovered between viral RNA and human immune response
(PhysOrg.com) -- In its fight against an intruding virus, an enzyme in our immune system may sense certain types of viral RNA pairs, according to scientists.
Aug 04, 2009 |
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Carbon nanotubes and aptamers: Vew biosensor detects extremely low bacteria concentrations quickly, easily, reliably
(PhysOrg.com) -- Bacterial diseases are usually detected by first enriching samples, then separating, identifying, and counting the bacteria. This type of procedure usually takes at least two days after arrival ...
Chemistry / Analytical Chemistry
Jul 20, 2009 |
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The future of personalized cancer treatment: An entirely new direction for RNAi delivery
In technology that promises to one day allow drug delivery to be tailored to an individual patient and a particular cancer tumor, researchers at the University of California, San Diego School of Medicine, ...
May 17, 2009 |
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How cells change gears
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 ...
Apr 20, 2009 |
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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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Video games lead to new paths to treat cancer, other diseases
The cure for cancer comes down to this: video games.
Feb 16, 2012 |
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If junk DNA is useful, why is it not shared more equally?
The presence of introns in genes requires cells to process "messenger RNA" molecules before synthesizing proteins, a process that is costly and often error-prone. It was long believed that this was simply part of the price ...
Jan 31, 2011 |
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The silence of the genes
Viruses have evolved a broad range of strategies that enable them to evade the immune systems of their hosts. A team of researchers led by LMU virologist Professor Jürgen Haas has been studying a novel, recently discovered ...
Apr 22, 2010 |
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