Molecular identification of the insect adipokinetic hormone receptors.

Frank Staubli, Thomas J D Jørgensen, Giuseppe Cazzamali, Michael Williamson, Camilla Lenz, Leif Søndergaard, Peter Roepstorff, Cornelis J P Grimmelikhuijzen

234 Citations (Scopus)

Abstract

The insect adipokinetic hormones (AKHs) are a large family of peptide hormones that are involved in the mobilization of sugar and lipids from the insect fat body during energy-requiring activities such as flight and locomotion, but that also contribute to hemolymph sugar homeostasis. Here, we have identified the first insect AKH receptors, namely those from the fruitfly Drosophila melanogaster and the silkworm Bombyx mori. These results represent a breakthrough for insect molecular endocrinology, because it will lead to the cloning of all AKH receptors from all model insects used in AKH research, and, therefore, to a better understanding of AKH heterogeneity and actions. Interestingly, the insect AKH receptors are structurally and evolutionarily related to the gonadotropin-releasing hormone receptors from vertebrates.
Original languageEnglish
JournalProceedings of the National Academy of Science of the United States of America
Volume99
Issue number6
Pages (from-to)3446-51
Number of pages5
ISSN0027-8424
DOIs
Publication statusPublished - 2002

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