Abstract
A radio-receptor assay (RRA) for the insect pyrokinin/PBAN family has been developed. The development involved examination of the ligand (3H-tyrosyl-PBAN28-33NH2)-receptor interaction under various incubation conditions and variations on sex pheromone gland membrane preparation. Application of the RRA for a partial characterization of the putative pyrokinin/PBAN receptor in the pheromone gland of H. peltigera revealed age-dependence of its expression. Pharmacological characterization revealed a high correlation between the binding-affinity to the receptor of various PBAN-derived peptides and their in vivo pheromonotropic bioactivity, and shed light on the interaction of backbone cyclic and linear ([Arg27,D-Phe30]PBAN28-33NH2) PBAN antagonists with the receptor.
| Original language | English |
|---|---|
| Pages (from-to) | 1379-1389 |
| Number of pages | 11 |
| Journal | Peptides |
| Volume | 22 |
| Issue number | 9 |
| DOIs | |
| State | Published - 2001 |
Keywords
- Heliothis peltigera
- Insect neuropeptide
- Moths
- PBAN
- PBAN receptor
- Pheromone gland
- Radio receptor assay
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