Corrigendum: Independent Evolution of Strychnine Recognition by Bitter Taste Receptor Subtypes - Xue, Ava Yuan; Di Pizio, Antonella; Levit, Anat; Yarnitzky, Tali; Penn, Osnat; Pupko, Tal; Niv, Masha Y. (Frontiers in Molecular Biosciences, 2018)