The cloning of one putative octopamine receptor and two putative serotonin receptors from the tobacco hawkmoth, Manduca sexta

Andrew M. Dacks, Joel B. Dacks, Thomas A. Christensen, Alan J Nighorn

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Serotonin and octopamine (OA) are biogenic amines that are active throughout the nervous systems of insects, affecting sensory processing, information coding and behavior. As an initial step towards understanding the modulatory roles of these amines in olfactory processing we cloned two putative serotonin receptors (Ms5HT1A and Ms5HT1B) and one putative OA (MsOAR) receptor from the moth Manduca sexta. Ms5HT1A and Ms5HT1B were both similar to 5HT1-type receptors but differed from each other in their N-terminus and 3rd cytoplasmic loop. Ms5HT1A was nearly identical to a serotonin receptor from Heliothis virescens and Ms5HT1B was almost identical to a serotonin receptor from Bombyx mori. The sequences for homologs of Ms5HT1A from B. mori and Ms5HT1B from H. virescens were also obtained, suggesting that the Lepidoptera likely have at least two serotonin receptors. The MsOAR shares significant sequence homology with pharmacologically characterized OA receptors, but less similarity to putative OA/tyramine receptors from the moths B. mori and H. virescens. Using the MsOAR sequence, fragments encoding putative OA receptors were obtained from B. mori and H. virescens, suggesting that MsOAR is the first OA receptor cloned from a lepidopteran.

Original languageEnglish (US)
Pages (from-to)741-747
Number of pages7
JournalInsect Biochemistry and Molecular Biology
Volume36
Issue number9
DOIs
StatePublished - Sep 2006

Fingerprint

Manduca
octopamine
Tobacco
Serotonin Receptors
Cloning
Manduca sexta
Bombyx
Organism Cloning
molecular cloning
tobacco
Heliothis virescens
Octopamine
Bombyx mori
receptors
Moths
Sequence Homology
Biogenic Amines
moths
Neurology
Lepidoptera

Keywords

  • Manduca
  • Modulation
  • Octopamine
  • Receptors
  • Serotonin

ASJC Scopus subject areas

  • Insect Science
  • Biochemistry

Cite this

The cloning of one putative octopamine receptor and two putative serotonin receptors from the tobacco hawkmoth, Manduca sexta. / Dacks, Andrew M.; Dacks, Joel B.; Christensen, Thomas A.; Nighorn, Alan J.

In: Insect Biochemistry and Molecular Biology, Vol. 36, No. 9, 09.2006, p. 741-747.

Research output: Contribution to journalArticle

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