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  Extreme sensitivity in an olfactory system

Angioy, A., Desogus, A., Barbarossa, I., Anderson, P., & Hansson, B. (2003). Extreme sensitivity in an olfactory system. Chemical Senses, 28(4), 279-284. doi:10.1093/chemse/28.4.279.

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EXT152.pdf (Publisher version), 144KB
 
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http://dx.doi.org/10.1093/chemse/28.4.279 (Publisher version)
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 Creators:
Angioy, AM, Author
Desogus, A, Author
Barbarossa, IT, Author
Anderson, P, Author
Hansson, Bill1, Author           
Affiliations:
1External Organizations, ou_persistent22              

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Free keywords: SPODOPTERA-LITTORALIS LEPIDOPTERA; DROSOPHILA-MELANOGASTER; ANTENNAL LOBE; MANDUCA-SEXTA; MOTH; NOCTUIDAE; PHEROMONE; RECEPTOR; DISRUPTION; STIMULImoth; sex pheromone; plant odours; cardiac response;
 Abstract: We recorded olfactory-induced cardiac responses to evaluate olfactory response thresholds to behaviourally relevant odours in a moth. Specific antennal receptor neurons enable insects to detect biologically meaningful odours such as sex pheromones and host-plant volatiles. The response threshold values demonstrated here are well below anything earlier reported in any organism. A heart response was triggered by less than six molecules of the most efficient odours hitting the antennae of the insect. The behavioural significance of this extreme sensitivity most likely lies in the creation of awareness and readiness to respond behaviourally at higher concentration levels.

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Language(s): eng - English
 Dates: 2003-05
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000183233900002
DOI: 10.1093/chemse/28.4.279
Other: EXT152
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Title: Chemical Senses
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press [etc.]
Pages: - Volume / Issue: 28 (4) Sequence Number: - Start / End Page: 279 - 284 Identifier: ISSN: 0379-864X
CoNE: https://pure.mpg.de/cone/journals/resource/954928560444