Axenic Leishmania amazonensis promastigotes sense both the external and internal arginine pool distinctly regulating the two transporter-coding genes - Martins, Emerson Augusto Castilho; Laranjeira-Silva, Maria Fernanda; Santos, Marcos G. dos; Muxel, Sandra Márcia; Floeter-Winter, Lucile Maria (PLOS ONE, 2011)