Discrimination of sex pheromone blends in the olfactory system of the moth

Thomas A. Christensen, Hanna Mustaparta, John G Hildebrand

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

Intracellular analysis of olfactory neurons in the internal lobes of several speicies of months has revealed a psysiologisally divorse population of projection neurons connecting the pheromone-processing center (the male-specific macroglormerular complex) with several area of the protocerebrum. Some of these output elements carry information about only a single pheromone in the female's complex blend, which is consistent with the 'component hypothesis' of behavioral excitation. Other output neurons, which receive more complex synaptic input, can distinguish the complete blend from the individual pheromones, thereby lending support to the 'blend hypothesis' of behavioral excitation. The results suggest that even within the pheromone-processing subsysterm in male insects, which is largely distinct from the rest of the olfactory system, there exist different but parallel lines of pheromonal information coding that ultimately govern the steteotyped mate-seeking behaviors.

Original languageEnglish (US)
Pages (from-to)463-477
Number of pages15
JournalChemical Senses
Volume14
Issue number3
DOIs
StatePublished - Jun 1989

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pheromone blends
Sex Attractants
Moths
Pheromone
Pheromones
sex pheromones
pheromones
Neurons
Discrimination
moths
Neuron
neurons
Excitation
Processing
Output
Insects
Coding
Projection
Internal
Distinct

ASJC Scopus subject areas

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Physiology (medical)
  • Physiology
  • Behavioral Neuroscience
  • Sensory Systems
  • Agricultural and Biological Sciences (miscellaneous)
  • Food Science
  • Neuroscience(all)

Cite this

Discrimination of sex pheromone blends in the olfactory system of the moth. / Christensen, Thomas A.; Mustaparta, Hanna; Hildebrand, John G.

In: Chemical Senses, Vol. 14, No. 3, 06.1989, p. 463-477.

Research output: Contribution to journalArticle

Christensen, Thomas A. ; Mustaparta, Hanna ; Hildebrand, John G. / Discrimination of sex pheromone blends in the olfactory system of the moth. In: Chemical Senses. 1989 ; Vol. 14, No. 3. pp. 463-477.
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