News tagged with biological clock

Related topics: circadian rhythms

New chemical may lead to jet lag drug

(PhysOrg.com) -- Jet lag, as every long-distance airline passenger knows, disrupts the body's normal circadian rhythms, or body clocks, and causes some very unpleasant effects such as disturbed sleep and fatigue. ...

Chemistry / Biochemistry

created Dec 16, 2010 | popularity 4.5 / 5 (4) | comments 2 | with audio podcast report

Babies' biological clocks dramatically affected by birth light cycle

The season in which babies are born can have a dramatic and persistent effect on how their biological clocks function.

Medicine & Health / Neuroscience

created Dec 05, 2010 | popularity 4.6 / 5 (20) | comments 2 | with audio podcast

To Arctic animals, time of day really doesn't matter

In the far northern reaches of the Arctic, day versus night often doesn't mean a whole lot. During parts of the year, the sun does not set; at other times, it's just the opposite. A new study reported online ...

Biology / Plants & Animals

created Mar 11, 2010 | popularity 4.8 / 5 (6) | comments 3 | with audio podcast

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 ...

Biology / Biotechnology

created Jan 20, 2010 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

New pattern in our biological clock overturns long-held theory

(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...

Medicine & Health / Medical research

created Oct 08, 2009 | popularity 4.9 / 5 (22) | comments 4

Body's circadian rhythm tightly entwined with blood sugar control

Scientists have long struggled to understand the body's biological clock. Its tick-tock wakes us up, reminds us to eat and tells us when to go to bed. But what sets that circadian rhythm?

Medicine & Health / Medical research

created Oct 05, 2009 | popularity 5 / 5 (10) | comments 0

Scientists model 3D structures of proteins that control human clock

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 ...

Biology / Cell & Microbiology

created Apr 11, 2009 | popularity 4.5 / 5 (6) | comments 0

Biologists Discover Missing Piece of Plant Clock

(PhysOrg.com) -- Biologists at the University of California, San Diego have identified a key protein that links the morning and evening components of the daily biological clock of plants.

Biology / Cell & Microbiology

created Mar 12, 2009 | popularity 5 / 5 (5) | comments 1

Plants use circadian rhythms to prepare for battle with insects

In a study of the molecular underpinnings of plants' pest resistance, Rice University biologists have shown that plants both anticipate daytime raids by hungry insects and make sophisticated preparations to ...

Biology / Cell & Microbiology

created Feb 13, 2012 | popularity 4.2 / 5 (5) | comments 4 | with audio podcast

Researchers identify structure of circadian clock protein

(PhysOrg.com) -- Feeling jet-lagged? You may need your internal clock reset. New Cornell research has taken a major step toward treating jet lag and other more serious syndromes by advancing our understanding ...

Biology / Cell & Microbiology

created Nov 15, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Glowing, blinking bacteria reveal how cells synchronize biological clocks

Biologists have long known that organisms from bacteria to humans use the 24 hour cycle of light and darkness to set their biological clocks. But exactly how these clocks are synchronized at the molecular level to perform ...

Biology / Cell & Microbiology

created Sep 01, 2011 | popularity not rated yet | comments 0 | with audio podcast

Manipulating plants' circadian clock may make all-season crops possible

Yale University researchers have identified a key genetic gear that keeps the circadian clock of plants ticking, a finding that could have broad implications for global agriculture.

Biology / Cell & Microbiology

created Sep 01, 2011 | popularity not rated yet | comments 1 | with audio podcast

Finding mechanism behind bacteria's biological clock

(PhysOrg.com) -- A discovery by a professor at the University of California, Merced, is providing a deeper understanding of the factors that control biological clocks.

Biology / Cell & Microbiology

created Aug 31, 2011 | popularity not rated yet | comments 0 | with audio podcast

Newly discovered molecule essential to resetting 'body clocks'

(PhysOrg.com) -- Research has shown that light is the key to getting our 'body clocks' back in sync and now a new study exploring the resynchronisation mechanism in insects has discovered a molecule essential ...

Biology / Cell & Microbiology

created Jul 13, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Study finds link between chronic depression and accelerated immune cell aging

(PhysOrg.com) -- Certain cases of major depression are associated with premature aging of immune cells, which may make people more susceptible to other serious illness, according to findings from a new UCSF-led study.

Medicine & Health / Medical research

created Apr 05, 2011 | popularity not rated yet | comments 0 | with audio podcast