All Articles Tagged As: body clock
 | Finding enhances understanding of circadian rhythms ...> Full Article |
University of California, Irvine researchers have identified the chemical switch that triggers the genetic mechanism regulating our internal body clock.
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There is a new twist on the question of how biological clocks work.
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 | Researchers have discovered what could be the aphrodisiac for the biggest moonlight sex event on Earth. ...> Full Article |
 | The plant growth hormone auxin is controlled by circadian rhythms within the plant, UC Davis researchers have found. The discovery explains how plants can time their growth to take advantage of resources such as light and water, and suggests that many other processes may be influenced by circadian rhythms. ...> Full Article |
Most plants and animals show changes in activity over a 24-hour cycle. Now, for the first time, researchers have shown how a plant combines signals from its internal clock with those from the environment to show a daily rhythm of growth.
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New research from Colorado State University shows that the function of all genes in mammals is based on circadian - or daily - rhythms. The study refutes the current theory that only 10 percent to 15 percent of all genes were affected by nature's clock. While scientists have long known that circadian rhythms regulate the behavior of the living, the study shows that daily rhythm dominates all life functions and particularly metabolism. The new study presents oscillation as a basic property of all genes in the organism as opposed to special function of some genes as previously believed.
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Circadian clocks regulate the timing of biological functions in almost all higher organisms. Anyone who has flown through several time zones knows the jet lag that can result when this timing is disrupted.
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Scientists at the University of Virginia and the Medical College of Wisconsin have discovered that a gene that participates in the regulation of the body's biological rhythms may also be a major control in regulating metabolism. Their finding shows that mice lacking the gene Nocturnin, which is regulated by the circadian clock in the organs and tissues of mammals, are resistant to weight gain when put on a high fat diet and also are resistant to the accumulation of fat in the liver. This new understanding of weight gain could potentially lead to therapies for inhibiting obesity and for treating its effects on health.
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 | Wheel-running mice have helped scientists to identify an altered body clock gene that can make a normal day up to three hours longer. The altered gene, named "after hours" or Afh, is a variant of a gene called Fbxl3 which was previously unknown to play a role in keeping mammals internal body clocks running on time. ...> Full Article |
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