News tagged with guanine
DNA mismatch repair happens only during a brief window of opportunity
In eukaryotes – the group of organisms that include humans – a key to survival is the ability of certain proteins to quickly and accurately repair genetic errors that occur when DNA is replicated to make new cells.
Dec 22, 2011 |
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Carbon nanotubes show promise for high-speed genetic sequencing (w/ Video)
Faster sequencing of DNA holds enormous potential for biology and medicine, particularly for personalized diagnosis and customized treatment based on each individual's genomic makeup. At present however, ...
Nanotechnology / Nanomaterials
Dec 31, 2009 |
4.4 / 5 (16) |
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DNA template could explain evolutionary shifts
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 ...
Jun 21, 2009 |
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Search results for guanine
Metabolic errors can spell doom for DNA
Many critical cell functions depend on a class of molecules called purines, which form half of the building blocks of DNA and RNA, and are a major component of the chemicals that store a cell’s energy. ...
Jan 31, 2012 |
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Revamping HIV-prevention programs in the Caribbean
While global attention to HIV/AIDS remains strong, a lack of focus on prevention strategies is stonewalling health experts in many developing nations, specifically in the Caribbean.
Medicine & Health / HIV & AIDS
Jan 19, 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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Oxidative DNA damage repair
Oxidative stress damages DNA. Researchers in the Vetsuisse Faculty have now decoded the mechanism that repairs DNA damaged in this way. This repair mechanism could lead to less invasive approaches in cancer therapy and contribute ...
Dec 27, 2011 |
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First analysis of tumor-suppressor interactions with whole genome in normal human cells
Scientists investigating the interactions, or binding patterns, of a major tumor-suppressor protein known as p53 with the entire genome in normal human cells have turned up key differences from those observed in cancer cells. ...
Nov 30, 2011 |
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Environment and diet leave their prints on the heart
A University of Cambridge study, which set out to investigate DNA methylation in the human heart and the 'missing link' between our lifestyle and our health, has now mapped the link in detail across the entire human genome.
Nov 29, 2011 |
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Exercise provides clue to deadly ataxia
When Dr. John Fryer and Dr. Huda Zoghbi prescribed mild exercise for mice with a neurodegenerative disorder called spinocerebellar ataxia 1 (SCA1), they did not know what to expect.
Nov 03, 2011 |
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Self-replication process holds promise for production of new materials
New York University scientists have developed artificial structures that can self-replicate, a process that has the potential to yield new types of materials. The work, conducted by researchers in NYU's Departments of Chemistry ...
Oct 12, 2011 |
4.9 / 5 (8) |
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Scientists construct, to maintain complementary DNA libraries of first lizard genome sequence
Scientists at Indiana University Bloomington's Center for Genomics and Bioinformatics are credited with constructing the cDNA libraries for the first-ever genome sequence of a non-bird reptile, the North American ...
Sep 30, 2011 |
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Biochemists identify new genetic code repair tool
Clemson University researchers recently reported finding a new class of DNA repair-makers.
Sep 27, 2011 |
4.3 / 5 (3) |
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List of search results for guanine
