... insect; neurotransmitter; transporter; dopamine;octopamine; cocaine. The catecholamine dopamine (DA), the phenolamineoctopamine (OA) and the indolamine serotonin (5-HT) in uence a variety of ... (AngDAT, EAA04277; AngSERT,EAA05837), nematode (CaeDAT, Q03614; CaeSERT, AAK84832),sea hare (ApcSERT, AAK94482), bullfrog (RacET, AAB67676),zebrafish (DarDAT, AAK52449), and human (hDAT, AAA19560;hSERT, ... within the range reported for cloned mammalianDATs), our data suggest that DA is the primary naturalsubstrate of TrnDAT and octopamine (and possiblytyramine) the natural substrate of TrnOAT...