Characterisation of novel functionality within the Blastocystis tryptophanase gene. oleh Steven Santino Leonardi, Feng-Jun Li, Melissa Su-Juan Chee, John Anthony Yason, Hui Yi Tay, John Yu-Shen Chen, Eileen Yiling Koh, Cynthia Ying-Xin He, Kevin Shyong-Wei Tan