News tagged with odorant receptor

The smell of danger: Rodent olfaction and the chemistry of instinct

The mechanics of instinctive behavior are mysterious. Even something as simple as the question of how a mouse can use its powerful sense of smell to detect and evade predators, including species it has never met before, has ...

Biology / Plants & Animals

created Jun 28, 2011 | popularity not rated yet | comments 1 | with audio podcast

Scientists identify odor molecules that hamper mosquitoes' host-seeking behavior

Female mosquitoes are efficient carriers of deadly diseases such as malaria, dengue and yellow fever, resulting each year in several million deaths and hundreds of millions of cases.

Biology / Cell & Microbiology

created Jun 01, 2011 | popularity 5 / 5 (3) | comments 3 | with audio podcast

Odor coding in mammals is more complex than previously thought

A new study in the Journal of General Physiology (JGP) shows that the contribution of odorant receptors (ORs) to olfactory response in mammals is much more complex than previously thought, with important consequences for od ...

Biology / Plants & Animals

created Oct 25, 2010 | popularity not rated yet | comments 0

Genetic differences in sense of smell identified through asparagus urine odor

Scientists at the Monell Center have used a well-known example of individual differences to identify a genetic contribution to the sense of smell.

Medicine & Health / Medical research

created Sep 28, 2010 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast

Mosquitoes use several different kinds of odor sensors to track human prey

It now appears that the malaria mosquito relies on a battery of different types of odor sensors to mediate its most critical behaviors, including how to choose and locate their blood-meal hosts. In an article ...

Biology / Plants & Animals

created Aug 31, 2010 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Robot with frog egg smell sensor (w/ Video)

(PhysOrg.com) -- Researchers from the University of Tokyo have invented a novel means of improving a robot's sense of smell, by using inexpensive olfactory sensors containing frog eggs.

Chemistry / Analytical Chemistry

created Aug 26, 2010 | popularity 3.8 / 5 (4) | comments 0 | with audio podcast report

Why King Kong failed to impress

Humans have the same receptors for detecting odors related to sex as do other apes and primates. But each species uses them in different ways, stemming from the way the genes for these receptors have evolved over time, according ...

Biology / Cell & Microbiology

created Dec 08, 2009 | popularity 2 / 5 (2) | comments 0

Researchers identify dominant chemical that attracts mosquitoes to humans

Scientists at the University of California, Davis, have identified the dominant odor naturally produced in humans and birds that attracts the blood-feeding Culex mosquitoes, which transmit West Nile virus ...

Chemistry / Biochemistry

created Oct 26, 2009 | popularity 4.8 / 5 (18) | comments 5

E-Noses: Testing their mettle against fly noses

(PhysOrg.com) -- Scientists from CSIRO's Food Futures Flagship have made a breakthrough in efforts to extend the sensory range of 'electronic noses' (e-noses) by developing a system for comparing their performance ...

Chemistry / Biochemistry

created Jul 29, 2009 | popularity 3 / 5 (1) | comments 0

Scientists Discover An Ancient Odor-Detecting Mechanism in Insects

(PhysOrg.com) -- In 1913 Theodore Roosevelt added cartographer to his resume when he and his crew ventured up an unspeakably dangerous and uncharted tributary named the River of Doubt. Now, on a charting expedition ...

Biology /

created Jan 08, 2009 | popularity 3.7 / 5 (3) | comments 1