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olfaction at biology news

Ancient olfaction protein is shared by many bugs, offering new pest control target

...years of evolution but that the gene's function in olfaction has also been conserved. Future designs of pesticides and disease-controlling insect repellents may be able to utilize this commonality to "blind" the insects to the smell of their prey. Walton D. Jones, Thuy-Ai T. Nguyen, Brian Kloss, Kevin J. Lee,...

Nose odors and mouth odors: The brain distinguishes

...chers have presented the first clear evidence that olfaction is uniquely a "dual" sense, in that the brain perc... powerful that people routinely mistake retronasal olfaction for 'taste,'" they wrote. "For example, we may say that we like the 'taste' of a wine, because of it...

Fighting malaria by manipulating mosquitoes' sense of smell

...ike insecticides, the chemicals involved in insect olfaction tend to be relatively non-toxic. They also tend to be specific to closely related species, so widespread application is not likely to impact other beneficial insect populations. The researchers intend to set up a pipeline for identifying and testing...

Neuroscientists discover new cell type that may help brain maintain memories of smells

...g the odor begins. One of the puzzling aspects of olfaction is how our perception of an odor can evolve over multiple sniffs. Because of their unique ability to maintain their activity between sniffs, Blanes cells may provide the missing link needed to answer this critical question. While there are relativ...

Can dogs smell cancer?

... per trillion. The clinical implications of canine olfaction first came to light in the case report of a dog alerting its owner to the presence of a melanoma by constantly sniffing the skin lesion. Subsequent studies published in major medical journals confirmed the ability of trained dogs to detect both mela...

Quick -- what’s that smell?

...timuli. "Previous published work suggested that olfaction was different from vision and audition in lacking this fundamental property," notes senior author Alan Gelperin, PhD, a computational neuroscientist. "We now can use accumulated information about these other sensory systems to help us understand olfa...

Detecting explosives with honeybees

...iological differences between those bees with good olfaction and those without. They also determined how well bees could detect explosives in the presence of potentially interfering agents, such as lotions, motor oil, or insect repellant. In addition, the team studied structural units in the honey bee's anten...

OHSU lab finds meth receptor that could lead to therapy

...ing areas involved in motivation and drug craving, olfaction ?the sense of smell ?and temperature regulation, to name a few. "With this kind of pharmacological profile and brain distribution, we hypothesized TAAR1 could mediate some of meth’s metabolic and behavioral effects," explained Grandy, who also dir...
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(Date:10/13/2008)...ntil now, controversy has existed as to the exact ...actor (CTGF), a key protein in the wound healing p...atured in the first issue of Fibrogenesis & Tissu...BioMed Central. , CTGF is normally induced duri...pression is the hallmark of fibrosis. In the paper...
(Date:10/13/2008)...n a population survey of West African chimpanzees ...this endangered subspecies has dropped in numbers ... conducted 18 years ago. The few remaining chimpan...le population living in Ta National Park, accordin...t Biology, a Cell Press publication. , This ala...
(Date:10/12/2008)...ASADENA, Calif.-- The transportation of antibodies...he development of that child,s nascent immune syst...he placenta before birth or via breast milk after ...hogens and may influence the later occurrence of a...California Institute of Technology (Caltech) have ...
(Date:10/12/2008)..., This week Nature Nanotechnology journal (Oct...Centre for Nanotechnology (LCN) at UCL are using a...workings of vancomycin, one of the few antibiotics... infections such as MRSA. The researchers, led by ...eveloped ultra-sensitive probes capable of providi...
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(Date:10/13/2008)...eading Content Rights Management System, Supports... Content Spend, WEST CHESTER, Pa., Oct. 13 /PRNew...ding global pharmaceutical manufacturer has integr...primary platform for the,secure distribution, data...cs for their new product video content. Imperium i...
(Date:10/13/2008)...swire/ -- The National Coalition for,Quality Color...ncerns over,the National CT Colonography Study pub...Medicine. The evidence must be closely evaluated, ...y is not without significant,potential risks. The ...py,remains the "Gold Standard" for colorectal canc...
(Date:10/13/2008)...blem in daily life, survey shows, PORTLAND, Ore.,...three-quarters of people living with psoriasis say...e, according to a National Psoriasis,Foundation 20...viduals with psoriasis and psoriatic arthritis,als...ly lives, shapes their,feelings about themselves a...
(Date:10/13/2008)...swire/ -- During the Pri-Med New York,conference a...are providers,took a 20-question quiz prepared by ...n Somerset, NJ. The quiz tested basic knowledge of..., EMR software, and healthcare,administration., T... The average number,of correct answers was only 7....
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