News tagged with photoreceptor

Scientists solve mystery of the eye

(PhysOrg.com) -- Scientists have a good overall understanding of human vision: when light enters our eyes, it is focused by the lens and strikes the retina in the back of the eye. The light causes some of ...

Chemistry / Biochemistry

created Nov 17, 2011 | popularity 4.3 / 5 (64) | comments 14 | with audio podcast feature

Fruit fly larvae detect light via body's network of photoreceptors

(PhysOrg.com) -- New research in the U.S. has discovered that fruit fly larvae have a series of photoreceptors covering the body that can detect light even when their primitive "eyes" are covered or removed.

Biology / Plants & Animals

created Nov 12, 2010 | popularity 4.2 / 5 (5) | comments 0 | with audio podcast report

Evolutionary bestseller in image processing

The eye is not just a lens that takes pictures and converts them into electrical signals. As with all vertebrates, nerve cells in the human eye separate an image into different image channels once it has been ...

Medicine & Health / Neuroscience

created Nov 10, 2010 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Aiming to cure deafness, Stanford scientists first to create functional inner-ear cells

Deep inside the ear, specialized cells called hair cells detect vibrations in the air and translate them into sound. Ten years ago, Stefan Heller, PhD, professor of otolaryngology at the Stanford University ...

Medicine & Health / Medical research

created May 13, 2010 | popularity 4.8 / 5 (13) | comments 0 | with audio podcast

Chickens 'one-up' humans in ability to see color

(PhysOrg.com) -- Researchers at Washington University School of Medicine in St. Louis have peered deep into the eye of the chicken and found a masterpiece of biological design.

Biology / Plants & Animals

created Feb 16, 2010 | popularity 4.7 / 5 (22) | comments 2 | with audio podcast

There is more to bats' vision than meets the eye

The eyes of nocturnal bats possess two spectral cone photoreceptor types for daylight and colour vision. Reporting in the open-access, peer-reviewed journal PLoS ONE, scientists at the Max Planck Institute for Br ...

Biology / Plants & Animals

created Jul 28, 2009 | popularity 5 / 5 (1) | comments 0

Dogs, maybe not, but old genes can learn new tricks

A popular view among evolutionary biologists that fundamental genes do not acquire new functions was challenged this week by a new study in the Proceedings of the National Academy of Sciences.

Biology / Evolution

created May 11, 2009 | popularity 5 / 5 (8) | comments 2

Expression of infrared fluorescence engineered in mammals

(PhysOrg.com) -- Researchers at the University of California, San Diego - led by 2008 Nobel-Prize winner Roger Tsien, PhD - have shown that bacterial proteins called phytochromes can be engineered into infrared-fluorescent ...

Chemistry / Biochemistry

created May 07, 2009 | popularity 5 / 5 (1) | comments 0

Researchers model potential of toxic algae photoreceptors

Blue-green algae is causing havoc in Midwestern lakes saturated with agricultural run-off, but researchers in a northwest Ohio lab are using supercomputers to study a closely related strain of the toxic cyanobacteria ...

Chemistry / Biochemistry

created Jan 26, 2012 | popularity not rated yet | comments 0 | with audio podcast

Protein plays role in helping plants see light

Plants do not have eyes or legs, yet they are able to "see" and move toward and away from light. This ability, called phototropism, is controlled by a series of molecular-level signals between proteins inside and between ...

Biology / Cell & Microbiology

created Oct 12, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Finding is a feather in the cap for researchers studying birds' big, powerful eyes

Say what you will about bird brains, but our feathered friends sure have us -- and all the other animals on the planet -- beat in the vision department, and that has a bit to do with how their brains develop.

Chemistry / Biochemistry

created Jun 23, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Researchers report progress using iPS cells to reverse blindness

Researchers have used cutting-edge stem cell technology to correct a genetic defect present in a rare blinding disorder, another step on a promising path that may one day lead to therapies to reverse blindness ...

Biology / Cell & Microbiology

created Jun 15, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Experts reveal why plants don't get sunburn

(PhysOrg.com) -- Experts at the University of Glasgow have discovered how plants know when to make their own sunscreen to protect themselves from the harmful rays of the sun. Scientists have speculated for decades that plants ...

Biology / Cell & Microbiology

created Apr 01, 2011 | popularity 5 / 5 (1) | comments 10 | with audio podcast

Light-sensing receptor plays role in temperature sensation: study

A light-sensing receptor that's packed inside the eye's photoreceptor cells has an altogether surprising role in cells elsewhere in the body, Johns Hopkins scientists have discovered. Using fruit flies, they showed that this ...

Chemistry / Biochemistry

created Mar 10, 2011 | popularity not rated yet | comments 0 | with audio podcast

Single-cell marine predator's unique survival mechanisms revealed

(PhysOrg.com) -- University of British Columbia researchers have uncovered the unique survival mechanisms of a marine organism that may be tiny, but in some ways has surpassed sharks in its predatory efficiency.

Biology / Cell & Microbiology

created Feb 08, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Photoreceptor

Photoreceptor can refer to:

In anatomy/cell biology:

In biochemistry:

In technology:

For more information about Photoreceptor, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.