Juvenile hormone in Drosophila melanogaster. Identification and titer determination during development

T. J. Sliter, B. J. Sedlak, F. C. Baker, D. A. Schooley

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Juvenile hormone (JH) III was identified in whole-body extracts of eggs, larvae, pupae, pharate adults and adults of Drosophila melanogaster. Titers of the hormone varied according to stage of development. Highest levels were found in post-feeding (wandering) larvae and adults; only low levels were found in feeding last-stadium larvae and in pupae. None of the other known JHs were detected (limit of detection ≈0.01 ng/g). These results are discussed in the light of the known physiological roles of JH in the development of Drosophila and other insects.

Original languageEnglish (US)
Pages (from-to)161-165
Number of pages5
JournalInsect Biochemistry
Issue number1
StatePublished - 1987



  • Drosophila melanogaster
  • Juvenile hormone III
  • larval growth
  • metamorphosis

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