News tagged with replication
New study identifies how ebola virus avoids the immune system
Jan 27, 2009 |
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(PhysOrg.com) -- Researchers at the University of Pennsylvania School of Medicine have likely found one reason why the Ebola virus is such a powerful, deadly, and effective virus. Using a cell culture model ...
Scientists develop first examples of RNA that replicates itself indefinitely
Jan 09, 2009 |
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Now, a pair of Scripps Research Institute scientists has taken a significant step toward answering that question. The scientists have synthesized for the first time RNA enzymes that can replicate themselves without the help ...
Two proteins act as molecular tailors in DNA repair
Nov 13, 2009 |
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(PhysOrg.com) -- On average, our cells encounter a very lethal form of DNA damage 10 times a day. Lucky for us, we have the capacity to repair each and every one of them. New research now reveals exactly how two well-known ...
Scientists Are First To Observe The Global Motions Of An Enzyme Copyinng DNA
Oct 27, 2009 |
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(PhysOrg.com) -- Scientists here have identified how the motions of an enzyme are related to correctly copying genetic instructions, setting the stage for studies that can uncover what happens when DNA copying ...
Scientists use math modeling to predict unknown biological mechanism of regulation
Oct 14, 2009 |
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A team of scientists, led by a biomedical engineer at The University of Texas at Austin, have demonstrated - for the first time - that mathematical models created from data obtained by DNA microarrays, can ...
Math model accurately mimics cell division in carbon-cycling bacterium
Aug 14, 2009 |
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Scientists from the Department of Biological Sciences and the Virginia Bioinformatics Institute (VBI) at Virginia Tech have developed a quantitative, mathematical model of DNA replication and cell division for the bacterium ...
Scientists uncover function of potential cancer-causing gene product
Aug 09, 2009 |
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The Stowers Institute's Conaway Lab has uncovered a previously unknown function of a gene product called Amplified in Liver Cancer 1 (Alc1), which may play a role in the onset of cancer. The work was published yesterday by ...
Researchers uncover potential mechanisms to protect against genetic alterations, diseases
Aug 06, 2009 |
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Peering into the DNA of tiny yeast, researchers at the Moores Cancer Center at the University of California, San Diego and the San Diego Branch of the Ludwig Institute for Cancer Research have pinpointed a large number of ...
UCSD Engineer Provides Insights to Decades-Old DNA Squabble
Jul 31, 2009 |
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(PhysOrg.com) -- A group of nanoengineers, biologists and physicists have used innovative approaches to deduce the internal structure of chromatin, a key player in DNA regulation, to reconcile a longstanding ...
Professor sheds light on DNA mechanisms
Jul 17, 2009 |
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By manipulating individual atoms in DNA and forming unique molecules, a Georgia State University researcher hopes to open new avenues in research towards better understanding the mechanisms of DNA replication and transcription, ...
Handle with care: Telomeres resemble DNA fragile sites
Jul 10, 2009 |
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(PhysOrg.com) -- Telomeres, the repetitive sequences of DNA at the ends of linear chromosomes, have an important function: They protect vulnerable chromosome ends from molecular attack. Researchers at Rockefeller ...
Secrets revealed about how disease-causing DNA mutations occur
Jul 02, 2009 |
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A team of Penn State scientists has shed light on the processes that lead to certain human DNA mutations that are implicated in hundreds of inherited diseases such as tuberous sclerosis and neurofibromatosis ...
DNA template could explain evolutionary shifts
Jun 21, 2009 |
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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 ...
Is this the beginning of the end of plant breeding?
Jun 09, 2009 |
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No human is a clone of their parents but the same cannot be said for other living things. While your DNA is a combination of half your mother and half your father, other species do things differently. The advantage of clonal ...
Cancer cells need normal, nonmutated genes to survive
May 28, 2009 |
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Corrupt lifestyles and vices go hand in hand; each feeds the other. But even the worst miscreant needs customary societal amenities to get by. It's the same with cancer cells. While they rely on vices in the form of genetic ...
