News tagged with nucleotides
Software reveals the inner workings of the human genome
Jan 12, 2010 |
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(PhysOrg.com) -- A biologist and computer scientist seek sites of RNA editing, a phenomenon that plays a key role in human genetic complexity.
Scientists determine how precursors of gene-regulating small RNAs are sorted by cellular machinery
Jan 04, 2010 |
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A team of scientists at Cold Spring Harbor Laboratory (CSHL) has determined a hierarchical set of criteria that explain how the molecular precursors of gene-regulating small RNAs are sorted by the cellular machinery.
Researchers Create New Way To Locate Big Genetic Variants
Dec 28, 2009 |
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(PhysOrg.com) -- Yale University researchers, analyzing hundreds of billions of bits of genetic information, have collated and standardized 2,000 signposts that mark the boundaries of large blocks of human genomic variants.
Just like old times: Generating RNA molecules in water
Nov 20, 2009 |
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A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. Now, in a study appearing in this week's Journal of Biological Chemistry, resear ...
Singapore scientists discover widely sought molecular key to understanding p53 tumor suppressor gene
Oct 13, 2009 |
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Scientists at the Singapore Immunology Network (SIgN) have determined how the master gene regulator p53 could switch a gene in a cell "on" or "off" by recognizing specific sequences of nucleotides in the gene's DNA.
Researchers discover RNA repair system in bacteria
Oct 12, 2009 |
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In new papers appearing this month in Science and the Proceedings of the National Academy of Sciences, University of Illinois biochemistry professor Raven H. Huang and his colleagues describe the first RNA repair system to be ...
Breast milk should be drunk at the same time of day that it is expressed
Oct 01, 2009 |
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The levels of the components in breast milk change every 24 hours in response to the needs of the baby. A new study published in the journal Nutritional Neuroscience shows, for example, how this milk could ...
Scientists Build Nanostructures out of Single DNA Strands
Nanotechnology / Bio & Medicine
Sep 08, 2009 |
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(PhysOrg.com) -- With its unique double-helical structure, DNA has the ability to be used as a programmable building material to construct designer nanoscale architectures. Complex DNA architectures could ...
We are all mutants: Measurement of mutation rate in humans by direct sequencing
Aug 27, 2009 |
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An international team of 16 scientists today reports the first direct measurement of the general rate of genetic mutation at individual DNA letters in humans. The team sequenced the same piece of DNA - 10,000,000 or so letters ...
Study shows how algae may cope with environmental change
Apr 09, 2009 |
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Scientists from two-dozen research organizations led by the U.S. Department of Energy (DOE) Joint Genome Institute (JGI) and the Monterey Bay Aquarium Research Institute (MBARI) have decoded genomes of two ...
Researchers develop a structural approach to exploring DNA
Mar 12, 2009 |
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A team led by researchers from Boston University and the National Institutes of Health has developed a new method for uncovering functional areas of the human genome by studying DNA's three-dimensional structure ...
Researchers find mechanism underlying alt. splicing of premessenger RNA into messenger RNA
Biology /
Dec 24, 2008 |
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An international research team led by Tim Nilsen, Ph.D., a professor of medicine and biochemistry and the director of the School of Medicine's Center for RNA Molecular Biology, has discovered an unexpected mechanism governing ...
Researchers Studying Little-Known Genetic Sequences
Biology /
Nov 13, 2008 |
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(PhysOrg.com) -- University of Arizona researchers are among a group of scientists who have discovered a source of previously scarce small RNA molecules. Their finding, which was recently published in the Proceedings of th ...
