Co-Authors:
Rafaeli, A., Department of Stored Products, ARO Volcani Center, Bet Dagen, Israel
Jurenka, R.A., Department of Entomology, Iowa State University, Ames, lA 50011, United States
Abstract:
This chapter discusses the pheromone biosynthesis activating neuropeptide (PBAN) regulation of pheromone biosynthesis in female moths. The neuropeptide regulates pheromone production in most of the moths. It belongs to the pyrokinin/PBAN family of peptides based on functional cross-reactivity with the active sequence FXPRL amide at the C-terminal end. The gene encoding for PBAN encodes for several pyrokinin/PBAN-like peptides in addition to PBAN. Studies on the site of PBAN action indicate that pheromone gland cells have a receptor for PBAN that starts the signal cascade of events to trigger the pheromone biosynthetic pathway. Normal activation of pheromone production may involve several interdependent mechanisms including both neural and humoral modulators. Addressing molecular mechanisms involved in pheromone production led to the elucidation of receptor proteins involved in both the stimulation and feedback inhibition of pheromone biosynthesis. In addition, such molecular studies reveal the identity and structure of the key enzymes involved in eliciting the biosynthetic pathway. © 2003 Elsevier Ltd All rights reserved.
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