News tagged with chemical signal
Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers
Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...
May 23, 2012 |
5 / 5 (1) |
0
Scientists investigate how chemicals evolved into communication signals
(PhysOrg.com) -- Living things possess many diverse ways of communicating, but perhaps the oldest and most widespread form of communication involves the use of chemicals. From animals and plants to bacteria ...
Jan 11, 2011 |
4.8 / 5 (4) |
3
|
Researchers present a shiny new tool for imaging biomolecules
At the heart of the immune system that protects our bodies from disease and foreign invaders is a vast and complex communications network involving millions of cells, sending and receiving chemical signals ...
Mar 23, 2012 |
5 / 5 (4) |
0
|
Dip chip technology tests toxicity on the go
From man-made toxic chemicals such as industrial by-products to poisons that occur naturally, a water or food supply can be easily contaminated. And for every level of toxic material ingested, there is some level of bodily ...
Chemistry / Analytical Chemistry
May 14, 2012 |
5 / 5 (2) |
0
'Worm speak' uses chemicals to communicate
(PhysOrg.com) -- A species of small, transparent roundworms have a highly evolved language in which they combine chemical fragments to create precise molecular messages that control social behavior, reports ...
Jan 26, 2012 |
4.8 / 5 (13) |
4
|
Scientists discover a chemical signal in human tears
Emotional crying is a universal, uniquely human behavior. When we cry, we clearly send all sorts of emotional signals. In a paper published online today in Science Express, scientists at the Weizmann Instit ...
Medicine & Health / Medical research
Jan 06, 2011 |
4.7 / 5 (7) |
9
|
Simple genetic circuit forms stripes: Synthetic biology helps scientists sort out pattern formation
Many living things have stripes, but the developmental processes that create these and other patterns are complex and difficult to untangle. Now a team of scientists has designed a simple genetic circuit that creates a striped ...
Oct 13, 2011 |
not rated yet |
0
|
Scientists solve a mystery of bacterial growth and resistance
Scientists at The Scripps Research Institute have unraveled a complex chemical pathway that enables bacteria to form clusters called biofilms. Such improved understanding might eventually aid the development ...
Apr 26, 2012 |
4.5 / 5 (2) |
0
|
Plant perfumes woo beneficial bugs
Scientists funded by the Biotechnology and Biological Sciences Research Council (BBSRC) have discovered that maize crops emit chemical signals which attract growth-promoting microbes to live amongst their roots. This is the ...
Apr 24, 2012 |
5 / 5 (1) |
0
|
Team develops 'logic gates' to program bacteria as computers
A team of UCSF researchers has engineered E. coli with the key molecular circuitry that will enable genetic engineers to program cells to communicate and perform computations.
Dec 08, 2010 |
4.9 / 5 (8) |
9
|
Biochemical cell signals quantified for first time
Just as cell phones and computers transmit data through electronic networks, the cells of your body send and receive chemical messages through molecular pathways. The term "cell signaling" was coined more than 30 years ago ...
Sep 15, 2011 |
4.8 / 5 (6) |
2
|
Twist-and-glow molecules aid rapid gas detection
In an emergency such as a factory fire, ascertaining which gases are present in the air is critical to preventing or minimizing poisoning (Fig. 1). This requires gas sensors that react quickly and provide ...
Jan 13, 2012 |
5 / 5 (2) |
0
|
Light now in sight: Control of a 'blind' neuroreceptor with an optical switch
When nerve cells communicate with one another, specialized receptor molecules on their surfaces play a central role in relaying signals between them. A collaborative venture involving teams of chemists based at Ludwig-Maximilians-Universitat ...
Jan 10, 2012 |
5 / 5 (4) |
0
|
Bacterial communication could affect Earth's climate
(PhysOrg.com) -- Woods Hole Oceanographic Institution (WHOI) scientists have discovered that bacterial communication could have a significant impact on the planet's climate.
Space & Earth / Earth Sciences
Oct 12, 2011 |
5 / 5 (7) |
1
|
Ant’s social network similar to Facebook
(PhysOrg.com) -- A recent study in the Journal of the Royal Society Interface presents findings that show that not all ants are as social as others. Similar to your friends on Facebook, some ants communicate with o ...
Apr 14, 2011 |
4.4 / 5 (7) |
0
|
