News tagged with replication
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 ...
A yeast cancer model for mapping cancer genes
Jul 28, 2009 |
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Researchers have devised a scheme for identifying genes in yeast that could lead to the identification of new cancer genes in humans. The study is published online this week in the open-access journal PLoS Bi ...
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, ...
Researchers unravel mystery of DNA conformation
Jul 13, 2009 |
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An iconic photograph (http://img.timeinc.net/time/80days/images/530228.jpg) of Nobel laureates Drs. Francis Crick and James Watson show the pair discussing with a rigid model of the famous double helix. ...
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 ...
Of yeast and men: Unraveling the molecular mechanisms of Friedreich's ataxia
Jul 09, 2009 |
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Researchers in human genetics have long known that expansions of GAA repeats - resulting in this nucleotide triplet repeating hundreds or thousands of times - cause the most common hereditary neurological disorder known as ...
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 ...
MicroRNAs help control HIV life cycle
Jun 25, 2009 |
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Scientists at Burnham Institute for Medical Research (Burnham) have discovered that specific microRNAs (non-coding RNAs that interfere with gene expression) reduce HIV replication and infectivity in human T-cells. In particular, ...
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 ...
Pitt researchers identify key molecular pathway to replicate insulin-producing beta cells
Jun 09, 2009 |
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Researchers at the University of Pittsburgh School of Medicine are trailblazing the molecular pathway that regulates replication of pancreatic beta cells, the insulin-producing cells that are lacking in people who have type ...
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 ...
In a rare disorder, a familiar protein disrupts gene function
May 27, 2009 |
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As reported this week in the open-access journal PLoS Biology, an international team of scientists studying a rare genetic disease has discovered that a bundle of proteins already known to be important for keeping chromo ...
Scientists identify how key protein keeps chronic infection in check
May 08, 2009 |
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Why is the immune system able to fight off some viruses but not others, leading to chronic, life-threatening infections like HIV and hepatitis C?
