Spatiotemporal distribution and developmental role of Cationic Amino acid Transporter 1 (CAT1) in zebrafish (Danio rerio) S. Narawane1, S. Ellingsen1, A. Fjose1, I. Rnnestad2 1 Department of Molecular Biology, University of Bergen, Norway; 2Department of Biology, University of Bergen, Norway CAT1 is a member of the solute carrier 7 family (SLC) of proteins, and is also called SLC7A1.