News tagged with expression
Researchers Find 'Junk DNA' May Have Triggered Key Evolutionary Changes in Human Thumb and Foot
Sep 04, 2008 |
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(PhysOrg.com) -- Out of the 3 billion genetic letters that spell out the human genome, Yale scientists have found a handful that may have contributed to the evolutionary changes in human limbs that enabled ...
Social interactions can alter gene expression in the brain, and vice versa
Biology /
Nov 06, 2008 |
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Our DNA determines a lot about who we are and how we play with others, but recent studies of social animals (birds and bees, among others) show that the interaction between genes and behavior is more of a ...
Scientists Use Inkjet Printer to Manipulate Genes in New Ways
Oct 05, 2009 |
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(PhysOrg.com) -- With recent advances in biochemistry, researchers can control the circuitry in a developing cell, thereby influencing cells to develop into specific phenotypes. Taking a step forward in this ...
Model unravels rules that govern how genes are switched on and off
Dec 04, 2008 |
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For years, scientists have struggled to decipher the genetic instruction book that details where and when the 20,000 genes in a human cell will be turned on or off. Different genes operate in each cell type at different times, ...
What drives our genes? Researchers map the first complete human epigenome
Oct 14, 2009 |
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Although the human genome sequence faithfully lists (almost) every single DNA base of the roughly 3 billion bases that make up a human genome, it doesn't tell biologists much about how its function is regulated. Now, researchers ...
Real-time gene monitoring developed
Biology /
Dec 16, 2008 |
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Imagine having GeneVision: the uncanny ability to view the activity of any chosen gene in real time through a specially modified camera.
Why can't chimps speak? Study links evolution of single gene to human capacity for language
Nov 11, 2009 |
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(PhysOrg.com) -- If humans are genetically related to chimps, why did our brains develop the innate ability for language and speech while theirs did not?
A Biological Basis for the 8-Hour Workday? Researchers uncover 8- and 12-hour Cycles of Gene Activity
Apr 22, 2009 |
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(PhysOrg.com) -- The circadian clock coordinates physiological and behavioral processes on a 24-hour rhythm, allowing animals to anticipate changes in their environment and prepare accordingly. Scientists ...
The sound of light: Innovative technology shatters the barriers of modern light microscopy
Jun 30, 2009 |
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In the past, even modern technologies have failed to produce high-resolution fluorescence images from this depth because of the strong scattering of light. In the Nature Photonics journal, the Munich researchers describe how th ...
Genome-wide map shows precisely where microRNAs do their work
Medicine & Health / Neuroscience
Jun 17, 2009 |
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MicroRNAs are the newest kid on the genetic block. By regulating the unzipping of genetic information, these tiny molecules have set the scientific world alight with such wide-ranging applications as onions ...
Researchers pinpoint a new enemy for tumor-suppressor p53
Jun 26, 2009 |
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Researchers at The University of Texas M. D. Anderson Cancer Center have identified a protein that marks the tumor suppressor p53 for destruction, providing a potential new avenue for restoring p53 in cancer ...
Psychologists shed light on origins of morality
Medicine & Health / Psychology & Psychiatry
Feb 26, 2009 |
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In everyday language, people sometimes say that immoral behaviours "leave a bad taste in your mouth". But this may be more than a metaphor according to new scientific evidence from the University of Toronto that shows a ...
Scientists ID gene key to Alzheimer's-like reversal
May 06, 2009 |
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(PhysOrg.com) -- A team led by researchers at MIT's Picower Institute for Learning and Memory has now pinpointed the exact gene responsible for a 2007 breakthrough in which mice with symptoms of Alzheimer's disease regained ...
MIT reels in RNA surprise with microbial ocean catch
May 13, 2009 |
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An ingenious new method of obtaining marine microbe samples while preserving the microbes' natural gene expression has yielded an unexpected boon: the presence of many varieties of small RNAs — snippets of RNA that act as ...
Acute stress leaves epigenetic marks on the hippocampus
Medicine & Health / Psychology & Psychiatry
Nov 24, 2009 |
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(PhysOrg.com) -- Scientists are learning that the dynamic regulation of genes -- as much as the genes themselves -- shapes the fate of organisms. Now the discovery of a new epigenetic mechanism regulating genes in the brain ...
