In vegetative tissues, LORELEI-like glycosylphosphatidyl-inositol-anchor protein 1 (LLG1) guides the secretion of FER from the endoplasmic reticulum (ER) to the PM in a glycosylphosphatidylinositol (GPI)-dependent manner (Li et al., 2015, Liu et al., 2016). GPI is a post-translational ...