Regional synthesis of neurotransmitter candidates in the CNS of the moth Manduca sexta

Gerald D. Maxwell, Jonathan F. Tait, John G Hildebrand

Research output: Contribution to journalArticle

96 Citations (Scopus)

Abstract

1. The ability of several defined structures in the central nervous system of the moth Manduca sexta to synthesize and store acetylcholine, γ-aminobutyric acid, 5-hydroxytryptamine, histamine, dopamine, norepinephrine, tyramine and octopamine was examined in pharate adults. With the exception of norepinephrine, synthesis and storage of all neurotransmitter candidates was detected in at least some structures. 2. The major sensory centers in the brain, the antennal and optic lobes, differ significantly in the spectrum of neurotransmitter candidates they appear able to synthesize and retain. The optic lobes can synthesize all neurotransmitter candidates examined, except norepinephrine, while the antennal lobes produce and store only acetylcholine, γ-aminobutyric acid, histamine and small amounts of tyramine. 3. Synthesis and storage of relatively large amounts of 5-hydroxytryptamine, dopamine and octopamine in segmental ganglia suggests a prominent role for these substances in the function of these ganglia. 4. Acetylcholine is produced and retained in greater quantities than all other neurotransmitter candidates, by nearly two orders of magnitude.

Original languageEnglish (US)
Pages (from-to)109-119
Number of pages11
JournalComparative Biochemistry and Physiology. Part C, Comparative
Volume61
Issue number1
DOIs
StatePublished - 1978
Externally publishedYes

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Manduca
Moths
Neurotransmitter Agents
Octopamine
Acetylcholine
Aminobutyrates
Norepinephrine
Tyramine
Ganglia
Histamine
Dopamine
Serotonin
Central Nervous System
Brain

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Regional synthesis of neurotransmitter candidates in the CNS of the moth Manduca sexta. / Maxwell, Gerald D.; Tait, Jonathan F.; Hildebrand, John G.

In: Comparative Biochemistry and Physiology. Part C, Comparative, Vol. 61, No. 1, 1978, p. 109-119.

Research output: Contribution to journalArticle

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