PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19278013-1 2009 The effect of exogenous 20-hydroxyecdysone (20E) and juvenile hormone (JH) on the activities of the tyrosine decarboxylase (TDC), the first enzyme in octopamine (OA) synthesis, has been studied in young females of wild type D. virilis and D. melanogaster under normal and heat stress (38 degrees C) conditions. Ecdysterone 24-42 Tyrosine decarboxylase 1 Drosophila melanogaster 124-127