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gene expression News
Technique Allows Whole-Brain Imaging with Single-Cell Resolution
SAITAMA, Japan, April 17, 2014 — Understanding the relationship between cellular phenomena and activity at the organism level has been difficult, particularly where the brain is concerned. Whole-brain imaging at single-cell resolution could help.
GFPs Measure Intracellular Heat
BARCELONA, Spain, May 29, 2012 — A quicker, more precise method that measures internal cell temperatures noninvasively using green fluorescent proteins (GFPs) could help scientists to learn more about cellular processes and to distinguish healthy cells from cancerous ones.
Light Used to Switch on Gene Expression
RALEIGH, N.C., May 11, 2012 — A new method that uses light-activated molecules to turn gene expression on and off provides greater precision for studying gene function and could lead to targeted therapies for diseases like cancer.
Transport of Molecules Through Nuclear Pore Complex Shown for First Time
BERKELEY, Calif., Aug. 24, 2011 — The mechanism behind nuclear pore complexes — the cellular structures that control how materials move between the nucleus and the cytoplasm — has come more sharply into focus. Nuclear pore complexes (NPCs), which span the nuclear...
Silencing a Gene: It’s a Stretch
TUCSON, Ariz., March 23, 2011 — Cells may control genes by simply stretching them, a discovery that could pave the way for applications that require precise control over gene expression, such as with a lab-on-a-chip device.
Laser Pulses Help DNA 'Express' Itself
CHICAGO, Dec. 7, 2006 -- For the first time, scientists have applied a laser pulse to heat up a protein-DNA complex, and discovered that the dynamics of the bound DNA change in response to the disturbance, with the DNA appearing to bend on its own. Among the many genes...
Lasers 'Turn On' Genes in Butterfly Wings
BUFFALO, N.Y., Nov. 29, 2006 -- An innovative tool has been developed that allows scientists studying "nonmodel" organisms to directly test the function of certain genes, even without genome sequencing information. The University of Buffalo (UB) researchers demonstrated their...
Hot Flies Produce Cool Results
ITHACA, N.Y., Sept. 25, 2006 -- Using multiphoton fluorescence microscopy, researchers have for the first time watched chromosomes change form to activate their genes to synthesize key proteins in fruit fly cells. The advance could be a significant step toward understanding the...
(8 results found)
April 2024
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