News tagged with dna template
Researchers Reveal Structure of Key Genetic Proofreading Protein
Jun 05, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- Nature might abhor a vacuum, but it loves a backup plan. In living organisms, physiological systems are kept under tight control by hierarchies of organic safety catches and emergency releases, ...
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DNA template could explain evolutionary shifts
Jun 21, 2009 |
4.5 / 5 (4) |
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Rearrangements of all sizes in genomes, genes and exons can result from a glitch in DNA copying that occurs when the process stalls at a critical point and then shifts to a different genetic template, duplicating and even ...
Copy number variation may stem from replication misstep
Dec 27, 2007 |
3.7 / 5 (3) |
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Genome rearrangements, resulting in variations in the numbers of copies of genes, occur when the cellular process that copies DNA during cell division stalls and then switches to a different genetic “template,” said researchers ...
Human DNA repair process recorded in action (Video)
Biology /
Jan 29, 2009 |
4.8 / 5 (11) |
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(PhysOrg.com) -- A key phase in the repair process of damaged human DNA has been observed and visually recorded by a team of researchers at the University of California, Davis. The recordings provide new information ...
Unknotting DNA clue to cancer syndrome
Aug 03, 2007 |
4.3 / 5 (3) |
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A new UC Davis study that explains the actions of a gene mutation that causes early onset cancer provides a fundamental insight into the mechanism of DNA-break repair.
MIT reports new twist in microRNA biology
Biology /
Jan 10, 2008 |
4.8 / 5 (5) |
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MIT scientists have found a new way that DNA can carry out its work that is about as surprising as discovering that a mold used to cast a metal tool can also serve as a tool itself, with two complementary shapes each showing ...
Research team creates simple chemical system that mimics DNA
Jun 12, 2009 |
4.1 / 5 (11) |
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A team of Scripps Research scientists has created a new analog to DNA that assembles and disassembles itself without the need for enzymes. Because the new system comprises components that might reasonably be expected in a ...
How RNA polymerase II gets the go-ahead for gene transcription
Oct 09, 2009 |
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All cells perform certain basic functions. Each must selectively transcribe parts of the DNA that makes up its genome into RNAs that specify the structure of proteins. The set of proteins synthesized by a cell in turn determines ...
DNA used as a template for nanolithography
Aug 31, 2007 |
4.1 / 5 (18) |
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DNA is one of the most popular building blocks of nanotechnology and is commonly used to construct ordered nanoscale structures with controlled architectures. For the most part, DNA is looked upon as a promising building ...
Simple membranes could have allowed nutrients to pass into primitive cells
Biology /
Jun 04, 2008 |
4.6 / 5 (5) |
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When the first cells developed, how could they bring molecules from the environment into their living interior without the specialized structures found on the modern cell membrane? A research team from Massachusetts General ...
Proofreading and error-correction in nanomaterials inspired by nature
Oct 18, 2005 |
2.5 / 5 (2) |
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Mimicking nature, a procedure developed by researchers at the University of Illinois at Urbana-Champaign can find and correct defects in self-assembled nanomaterials. The new proofreading and error-removal process is based ...
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