News tagged with clock genes
A Biological Basis for the 8-Hour Workday? Researchers uncover 8- and 12-hour Cycles of Gene Activity
(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 ...
Apr 22, 2009 |
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Rare disease reveals new path for creating stem cells
(PhysOrg.com) -- As debilitating as disease can be, sometimes it acts as a teacher. Researchers at Harvard Medical School and the Harvard School of Dental Medicine have found that by mimicking a rare genetic ...
Medicine & Health / Medical research
Nov 21, 2010 |
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The food-energy cellular connection revealed
Our body's activity levels fall and rise to the beat of our internal drums—the 24-hour cycles that govern fundamental physiological functions, from sleeping and feeding patterns to the energy available to our cells. Whereas ...
Medicine & Health / Medical research
Oct 15, 2009 |
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Artificial light at night disrupts cell division
Just one "pulse" of artificial light at night disrupts circadian cell division, reveals a new study carried out by Dr. Rachel Ben-Shlomo of the University of Haifa-Oranim Department of Environmental and Evolutionary Biology ...
Medicine & Health / Medical research
Apr 12, 2010 |
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Earth history and evolution
In classical mythology, the cypress tree is associated with death, the underworld and eternity. Indeed, the family to which cypresses belong, is an ancient lineage of conifers, and a new study of their evolution affords a ...
May 03, 2012 |
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Tinkering with the circadian clock can suppress cancer growth
Researchers at the University of North Carolina at Chapel Hill have shown that disruption of the circadian clock - the internal time-keeping mechanism that keeps the body running on a 24-hour cycle - can slow the progression ...
Feb 03, 2009 |
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Missing or mutated 'clock' gene linked to vascular disease
The circadian clocks that set the rhythmic motion of our bodies for wakeful days and sleepy nights can also set us up for vascular disease when broken, Medical College of Georgia researchers say.
Medicine & Health / Medical research
Mar 25, 2009 |
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Disruption of circadian rhythm could lead to diabetes
Disruption of two genes that control circadian rhythms can lead to diabetes, a researcher at UT Southwestern Medical Center has found in an animal study.
Medicine & Health / Medical research
Jul 13, 2010 |
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Waking up is hard to do: Scientists identify a gene important for the daily rhythms of the sleep-wake cycle
Northwestern University scientists have discovered a new mechanism in the core gears of the circadian clock. They found the loss of a certain gene, dubbed "twenty-four," messes up the rhythm of the common fruit fly's sleep-wake ...
Medicine & Health / Medical research
Feb 16, 2011 |
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Researchers synchronize blinking 'genetic clocks' (w/ Video)
Researchers at UC San Diego who last year genetically engineered bacteria to keep track of time by turning on and off fluorescent proteins within their cells have taken another step toward the construction ...
Jan 20, 2010 |
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Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver
When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...
Medicine & Health / Medical research
Nov 25, 2009 |
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Genes controlling insulin can alter timing of biological clock
(PhysOrg.com) -- Many of the genes that regulate insulin also alter the timing of the circadian clock, a new study has found.
Sep 17, 2009 |
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Plant clock gene also works in human cells
A gene that controls part of the 'tick tock' in a plant's circadian clock has been identified by UC Davis researchers. And not only is the plant gene very similar to one in humans, but the human gene can work in plant cells ...
Dec 01, 2010 |
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Biologists discover an 'evening' protein complex that regulates plant growth
Farmers and other astute observers of nature have long known that crops like corn and sorghum grow taller at night. But the biochemical mechanisms that control this nightly stem elongation, common to most plants, have been ...
Jul 13, 2011 |
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Scientists show that plants have measure of the shortest day
(PhysOrg.com) -- It is not only people who feel the effects of short winter days - new research by the University of Edinburgh and the University of Warwick has shed light on how plants calculate their own winter solstice. ...
Dec 23, 2009 |
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