News tagged with circadian
A Biological Basis for the 8-Hour Workday? Researchers uncover 8- and 12-hour Cycles of Gene Activity
Apr 22, 2009 |
4.8 / 5 (12) |
0
(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 ...
Scientists model 3D structures of proteins that control human clock
Apr 11, 2009 |
4.5 / 5 (6) |
0
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 ...
Clockwork plants
Mar 25, 2009 |
not rated yet |
0
(PhysOrg.com) -- How do plants tell the time and the passing of the seasons? Plant scientists are enlisting the help of engineers in their quest to uncover the rhythms of circadian clocks.
Missing or mutated 'clock' gene linked to vascular disease
Mar 25, 2009 |
5 / 5 (4) |
1
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.
Compound is key coordinator of clock and metabolism
Mar 19, 2009 |
5 / 5 (3) |
0
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 ...
Body clock regulates metabolism
Mar 12, 2009 |
5 / 5 (3) |
0
(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 ...
Researchers find potential cause of heart risks for shift workers
Medicine & Health / Neuroscience
Mar 03, 2009 |
3.7 / 5 (3) |
0
(PhysOrg.com) -- Harvard researchers from Brigham and Women’s Hospital (BWH) and colleagues have identified the potential cause of the increased risk for cardiovascular and metabolic disease in shift workers. ...
Paper sheds new 'light' on fascinating rhythms of the circadian clock
Biology /
Feb 16, 2009 |
4.6 / 5 (7) |
0
(PhysOrg.com) -- Scientists have long known that interrupting the 24-hour circadian rhythm plays havoc with the lives and health of medical, military and airline personnel, factory employees and travelers.
Tinkering with the circadian clock can suppress cancer growth
Feb 03, 2009 |
4.6 / 5 (5) |
1
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 ...
How your body clock avoids hitting the snooze button
Biology /
Jan 29, 2009 |
4 / 5 (3) |
0
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.
Siestas Among the Drosophilae
Biology /
Jan 28, 2009 |
not rated yet |
0
(PhysOrg.com) -- Isaac Edery is concerned with biological clocks, internal mechanisms that enable virtually all plants and animals to behave in rhythmic biological cycles known as circadian rhythms.
When it comes to sleep research, fruit flies and people make unlikely bedfellows
Biology /
Jan 13, 2009 |
not rated yet |
0
You may never hear fruit flies snore, but rest assured that when you're asleep they are too. According to research published in the January 2009 issue of the journal Genetics, scientists from the University of Missouri-Kansas City h ...
Soaring or snoring? Fruit fly's immune system responds differently when asleep
Biology /
Jan 08, 2009 |
not rated yet |
0
(PhysOrg.com) -- A fruit fly's immune system can tell time—and how hard it punches back against infections depends on whether the fly is snoozing or cruising. The discovery by medical school researchers could ...
Another reason to avoid high-fat diet -- it can disrupt our biological clock
Dec 29, 2008 |
4.5 / 5 (4) |
1
Indulgence in a high-fat diet can not only lead to overweight because of excessive calorie intake, but also can affect the balance of circadian rhythms - everyone's 24-hour biological clock, Hebrew University of Jerusalem ...
How research into 'clocks' in plants could change our lives
Biology /
Dec 19, 2008 |
4.8 / 5 (5) |
0
(PhysOrg.com) -- From ensuring blooms for Mother’s Day to easing sleep disruption due to jet lag or shiftwork, new research into the ‘clocks’ in plants by a team of University of Glasgow plants scientists ...
