Search results for molecular clock
How your body clock avoids hitting the snooze button
Biology /
Jan 29, 2009 |
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Scientists from Queen Mary, University of London have discovered a new part of the mechanism which allows our bodyclocks to reset themselves on a molecular level.
Probing question: What is a molecular clock?
Biology /
Nov 20, 2008 |
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It doesn't tick, it doesn't have hands, and it doesn't tell you what time of day it is. But a molecular clock does tell time -- on an epoch scale. The molecular clock, explained S. Blair Hedges, is a tool ...
Circadian rhythms studies reveal new temperature regulator and track clock protein across a day
May 15, 2009 |
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Dartmouth Medical School geneticists have made new inroads into understanding the regulatory circuitry of the biological clock that synchronizes the ebb and flow of daily activities, according to two studies published May ...
Genes controlling insulin can alter timing of biological clock
Sep 17, 2009 |
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(PhysOrg.com) -- Many of the genes that regulate insulin also alter the timing of the circadian clock, a new study has found.
Clocking in and out of gene expression
Jun 14, 2007 |
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A chemical signal acts as time clock in the expression of genes controlled by a master gene called a coactivator, said Baylor College of Medicine researchers in a report that appears in the journal Cell today.
New research provides dynamic visualization of simplest circadian clock
Biology /
Mar 13, 2008 |
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Scientists have acquired a more dynamic picture of events that underlie the functions of a bacterial biological clock. New research published online March 13th by Cell Press in the journal Molecular Cell, shows how the si ...
Circadian surprise: Mechanism of temperature synchronization in drosophila
Oct 28, 2009 |
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New research reveals a pathway that links peripheral sensory tissues with a "clock" in the brain to regulate molecular processes and behaviors in response to cyclical temperature changes. The research, published by Cell Press ...
Team creates math model for circadian rhythm
Biology /
Aug 27, 2007 |
4.4 / 5 (5) |
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The internal clock in living beings that regulates sleeping and waking patterns -- usually called the circadian clock -- has often befuddled scientists due to its mysterious time delays. Molecular interactions that regulate ...
Compound is key coordinator of clock and metabolism
Mar 19, 2009 |
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Our circadian clock, or biological timing system, governs our daily cycles of feeding, activity and sleep. Research using cells has produced a solid portrait of the clock at the genetic and molecular levels, but understanding ...
Researchers publish first working model that explains how biological clocks work
Feb 12, 2007 |
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Science has known for decades that biological clocks govern the behavior of everything from humans to lowly bread mold. These ticking timekeepers hold the key to many diseases, annoy passengers on intercontinental flights ...
Body clock regulates metabolism
Mar 12, 2009 |
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(PhysOrg.com) -- UC Irvine researchers have discovered that circadian rhythms - our own body clock - regulate energy levels in cells. The findings have far-reaching implications, from providing greater insights ...
Scientists model 3D structures of proteins that control human clock
Apr 11, 2009 |
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In an Early Edition issue of The Proceedings of the National Academy of Sciences (PNAS) on April 9, 2009, the researchers report that they have been able to determine the molecular structure of a plant photolyase protein that ...
Plants' internal clock can improve climate-change models
Jul 02, 2009 |
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The ability of plants to tell the time, a mechanism common to all living beings, enables them to survive, grow and reproduce. In a study published in the latest issue of the prestigious journal Ecology Letters, an international ...
Clocking salt levels in the blood: A link between the circadian rhythm and salt balance
Jul 01, 2009 |
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New research, conducted by Charles Wingo and his colleagues, at the University of Florida, Gainsville, suggests a link between the circadian rhythm and control of sodium (salt) levels in mice.
Molecular 'clock' could predict risk for developing breast cancer
May 14, 2008 |
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A chemical reaction in genes that control breast cancer provides a molecular clock that could one day help researchers more accurately determine a woman’s risk for developing breast cancer and provide a new ...
