Yellow background outlines complete genomes, gray and red arrows respectively represent cloned and characterized insect Nutrient Amino acid Transporters (NATs). Abbreviations: DA, 5HT and GABA indicate orthologous groups of catecholamine, serotonin and GABA NeuroTransmitter Transporters (NTTs), B0 and B0+ are broad substrate spectra transporters for neutral and neutral + cationic amino acids, respectively. Return to Dmitri Boudko