Navigation Links
Neural mapping paints a haphazard picture of odor receptors
Date:2/3/2009

CAMBRIDGE, Mass., Feb. 3, 2009 -- Despite the striking aromatic differences between coffee, peppermint, and pine, a new mapping of the nose's neural circuitry suggests a haphazard patchwork where the receptors for such disparate scents are as likely as not to be neighbors.

Inexplicably, this seemingly random arrangement is faithfully preserved across individuals and even species, with cells that process the same scent located in precisely the same location on the olfactory bulb, the brain's first processing station for odors.

The crazy-quilt map of odor-processing neurons on the front lines of the olfactory system is described by Harvard University neuroscientists in the February issue of the journal Nature Neuroscience.

"It had been thought that the layout of the olfactory bulb was variable from individual to individual, but followed a chemotopic order where cells handling similar odor responses are near each other," says Markus Meister, the Jeff C. Tarr Professor of Molecular and Cellular Biology in Harvard's Faculty of Arts and Sciences. "Here we show that the layout is actually very precise -- the same from animal to animal -- but doesn't appear to follow any chemotopic order whatsoever."

Working with mice and rats, Meister and colleague Venkatesh N. Murthy recorded neural responses to several hundred distinct odors, including anise, beer, cloves, coffee, ginger, lemon, orange, peppermint, pine, rose, and even fox pheromones. The neuroscientists found that across individuals and even across the two species, bundles of neurons from a given type of odor receptor -- known as glomeruli -- were found in almost exactly the same spot on the olfactory bulb, a sensory structure measuring some four to five millimeters across and located at the very front of the brain.

"Glomeruli from different receptors line the surface of the olfactory bulb like an array of close-packed marbles," says Murthy, professor of molecular
'/>"/>

Contact: Steve Bradt
steve_bradt@harvard.edu
617-496-8070
Harvard University
Source:Eurekalert

Page: 1 2

Related biology news :

1. I feel your pain: Neural mechanisms of empathy
2. Obesity starts in the head? 6 newly discovered genes for obesity have a neural effect
3. Neural mechanisms of value bias in the human visual cortex
4. NeuralIQ Expands Global Leadership Team, Names Donnie Blanks CEO
5. Neural cell transplants may help those with Parkinsons disease
6. MIT aids creation of neural prosthetic devices
7. Neural stem cell study reveals mechanism that may play role in cancer
8. Studies offer guide as protein interaction mapping comes of age
9. New rainforest mapping technology gets huge support
10. Mapping a clan of mobile selfish genes
11. Chemical equator discovery will aid pollution mapping
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/12/2015)... 12, 2015 NXT-ID, Inc. (NASDAQ: ... biometric authentication company focused on the growing mobile commerce ... 62/113114 for DISTRIBUTED METHOD AND SYSTEM TO ... patent further establishes NXT-ID,s position in the emerging "Internet ... the ability for multiple devices to collaborate with one ...
(Date:2/5/2015)... , Feb. 5, 2015  Marken is starting ... company and has launched a new marketing campaign to ... Organization (CLO).  The new campaign focuses on First ... protocol and shipments. The first headline in ... aligns Marken,s priorities with its client,s priorities. Marken recognizes ...
(Date:2/5/2015)... -- NXT-ID, Inc. (NASDAQ: NXTD and ... focused on the growing mobile commerce market, announces it ... Conference on January 29 th at 10:30 a.m. ... of NXT-ID will present and host a live Q&A ... and its full suite of biometric technologies. Investors can ...
Breaking Biology News(10 mins):NXT-ID Patents Collaborative Services to Enable the "Internet of Things" 2NXT-ID Patents Collaborative Services to Enable the "Internet of Things" 3Marken Launches New Patient-Centric Campaign 2CEO of NXT-ID, Inc. to Discuss Company's Biometric Technologies at RedChip Online Conference January 29th 2CEO of NXT-ID, Inc. to Discuss Company's Biometric Technologies at RedChip Online Conference January 29th 3
... a project funded by the National Institutes of Health ... for pharmacogenomics research. The company received $190,000 in stimulus ... 2009 for "Web-based Phenotyping for Genome-Wide Association Studies of ... "One of 23andMe,s research goals is ...
... Caffeine consumption in children is often blamed for sleep problems ... and many parents may not know the amount or effects ... in The Journal of Pediatrics , researchers found that ... and the more caffeine the children consumed, the less they ...
... manufacturing of nanomaterials has been steadily on the rise in ... that are engineered to have dimensions less than 100 nanometers ... small size. In a study funded by the ... University of Kentucky determined that earthworms could absorb copper nanoparticles ...
Cached Biology News:23andMe receives NIH funding to evaluate web-based research on the genetics of drug response 2
(Date:3/4/2015)... -- The UPMC Center for Health Security today announced ... Leaders in Biosecurity Initiative (ELBI). As part of our ... biosecurity, UPMC has selected 28 US and international emerging ... including biological science, medicine, policy, the military, think tanks ... vision and support of the Defense Threat Reduction Agency ...
(Date:3/4/2015)... /CNW/ - Resverlogix Corp. (TSX:RVX) (the "Company") today ... research program with Emerald Logic, a leader ... Technology (FACET), Emerald Logic analyzed Resverlogix,s complete ... each of 798 patients who participated in ... SUSTAIN and ASSURE. The objective of this ...
(Date:3/4/2015)... , March 4, 2015 Vegalab announced the ... August of last year. As part of the acquisition, ... Koo continuing his role as CEO for the ... Vegalab S.A., will work alongside Koo and oversee developments ... http://photos.prnewswire.com/prnh/20150303/179218 Koo founded Ecowin ...
(Date:3/3/2015)... SAN DIEGO and TORONTO, March 3, 2015 /PRNewswire/ - ... company developing new therapeutics and molecular diagnostics that target ... for the quarter and seventh-month period ended December 31, ... changed its fiscal year end from May 31 to ... periods we are reporting today are for the quarter ...
Breaking Biology Technology:UPMC Center for Health Security Announces 2015 Emerging Leaders in Biosecurity 2UPMC Center for Health Security Announces 2015 Emerging Leaders in Biosecurity 3Resverlogix Collaborates with Emerald Logic to Identify Factors Driving Drug Response and Efficacy in Phase 2 Program 2Resverlogix Collaborates with Emerald Logic to Identify Factors Driving Drug Response and Efficacy in Phase 2 Program 3Resverlogix Collaborates with Emerald Logic to Identify Factors Driving Drug Response and Efficacy in Phase 2 Program 4Korean Government Program Supports Vegalab's Research and Development 2Korean Government Program Supports Vegalab's Research and Development 3Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 2Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 3Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 4Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 5Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 6Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 7Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 8Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 9Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 10Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 11Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 12
... Va., May 3, 2012 ZyGEM Corp. Ltd., a ... of DNA and other nucleic acids, today announced it ... for distribution of ZyGEM,s DNA and RNA extraction products ... is a leading provider of quantitative real-time PCR (qPCR) ...
... Biologics, a leading contract manufacturing organization (CMO) known and ... and cGMP manufacture , has been named a finalist ... Large Category.   The Seattle Business Magazine,s Washington Manufacturing ... nearly 300 leaders in manufacturing from around the state. ...
... PALM BEACH, Fla., May 2, 2012 BeesFree, Inc. (OTCBB: ... arrests the effects of CCD (Colony Collapse Disorder) on ... Institute (IZS - Istituto Zooprofilattico Sperimentale) will be conducting ... effectiveness of BeesFree Inc.,s patent-pending technology. ...
Cached Biology Technology:ZyGEM Teams With TATAA Biocenter To Distribute Its Innovative Nucleic acid Extraction Kits 2ZyGEM Teams With TATAA Biocenter To Distribute Its Innovative Nucleic acid Extraction Kits 3CMC Biologics Honored as Finalist for Washington's Manufacturing Company of the Year Award 2The Italian Institute of Prophylaxis against Animal Diseases (IZS) to test effectiveness of BeesFree Inc.'s Technology in Combating Colony Collapse Disorder 2
PlusOne EDTA, disodium salt, 100 g. Category: Electrophoresis Systems & Standards & Reagents, Electrophoresis Standards and Reagents, Buffers....
Normal human serum collected off the clot from healthy normal humans. Each donor unit is negative for anti-HIV 1&2, HIV-Ag, HCV, and HBsAg by FDA required tests...
sterile filtered, off the clot, all male donors, Total Protein: 4.5 to 8.5 g/dl...
Recombinant Mouse MMP-9, CF...
Biology Products: