Regeneration and biosynthesis of dytiscid defensive agents (Coleoptera: Dytiscidae)

Howard W. Fescemyer, Ralph O. Mumma

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The defensive secretions of the dytiscid species, Agabus seriatus (Say) and Agabus obtusatus (Say), were qualitatively and quantitatively analyzed by high-pressure liquid chromatography. The intrinsic ability of A. Seriatus and A. Obtusatus to regenerate their prothoracic gland defensive secretions under laboratory conditions was determined by analyzing the secretions every seventh day for five weeks. Both beetles regenerated ∼ 80% of their prothoracic gland components within two weeks. A. seriatus was injected with [4-14C]cholesterol and after a three-week regeneration period 7.5% of the14Clabel was found in the steroidal defensive secretion from the prothoracic glands.

Original languageEnglish (US)
Pages (from-to)1449-1464
Number of pages16
JournalJournal of Chemical Ecology
Volume9
Issue number11
DOIs
StatePublished - Nov 1 1983

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High pressure liquid chromatography
defensive secretions
prothoracic glands
Dytiscidae
Biosynthesis
Beetles
Agabus
secretion
Regeneration
regeneration
Cholesterol
High Pressure Liquid Chromatography
biosynthesis
Coleoptera
high performance liquid chromatography
cholesterol
liquid chromatography
beetle

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry

Cite this

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abstract = "The defensive secretions of the dytiscid species, Agabus seriatus (Say) and Agabus obtusatus (Say), were qualitatively and quantitatively analyzed by high-pressure liquid chromatography. The intrinsic ability of A. Seriatus and A. Obtusatus to regenerate their prothoracic gland defensive secretions under laboratory conditions was determined by analyzing the secretions every seventh day for five weeks. Both beetles regenerated ∼ 80{\%} of their prothoracic gland components within two weeks. A. seriatus was injected with [4-14C]cholesterol and after a three-week regeneration period 7.5{\%} of the14Clabel was found in the steroidal defensive secretion from the prothoracic glands.",
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Regeneration and biosynthesis of dytiscid defensive agents (Coleoptera : Dytiscidae). / Fescemyer, Howard W.; Mumma, Ralph O.

In: Journal of Chemical Ecology, Vol. 9, No. 11, 01.11.1983, p. 1449-1464.

Research output: Contribution to journalArticle

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