Effect of various insecticides on the larval growth and biogenic amine levels of Tribolium castaneum Herbst

Akinori Hirashima, T. Nagano, M. Eto

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Various insecticides reduced larval growth of the red flour beetle (tribolium castaneum Herbst) and various biogenic amines, including octopamine (OA), dopamine (DA), serotonin (5-HT), epinephrine (E), norepinephrine (NE), their precursors and metabolites in the insects were measured by high-performance liquid chromatography coupled with electrochemical detection. Tyrosine occurred in the highest concentration followed by OA, tryptophan and 3,4-dihydroxymandelic acid (DOMA). Tyramine (a precursor of OA in the biosynthetic pathway), synephrine (N-methyl OA), DA, 5-HT, E, NE and their related substances occurred in extremely low quantities compared with OA. The insects were stressed by various insecticides, which resulted in a dramatic change of biogenic amine levels: the OA levels increased, whereas the levels of other biogenic amines and related substances decreased.

Original languageEnglish
Pages (from-to)393-398
Number of pages6
JournalComparative Biochemistry and Physiology. Part C: Pharmacology
Volume107
Issue number3
DOIs
Publication statusPublished - Jan 1 1994

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Octopamine
Tribolium
Biogenic Amines
Insecticides
Growth
Serotonin
Insects
Dopamine
Norepinephrine
Synephrine
Tyramine
Biosynthetic Pathways
Beetles
Flour
Tryptophan
Epinephrine
Tyrosine
High Pressure Liquid Chromatography

All Science Journal Classification (ASJC) codes

  • Toxicology

Cite this

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abstract = "Various insecticides reduced larval growth of the red flour beetle (tribolium castaneum Herbst) and various biogenic amines, including octopamine (OA), dopamine (DA), serotonin (5-HT), epinephrine (E), norepinephrine (NE), their precursors and metabolites in the insects were measured by high-performance liquid chromatography coupled with electrochemical detection. Tyrosine occurred in the highest concentration followed by OA, tryptophan and 3,4-dihydroxymandelic acid (DOMA). Tyramine (a precursor of OA in the biosynthetic pathway), synephrine (N-methyl OA), DA, 5-HT, E, NE and their related substances occurred in extremely low quantities compared with OA. The insects were stressed by various insecticides, which resulted in a dramatic change of biogenic amine levels: the OA levels increased, whereas the levels of other biogenic amines and related substances decreased.",
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