%0 Journal Article %T Plant Biology: Proteolytic Release of Damage Signals %J - %D 2019 %R https://doi.org/10.1016/j.cub.2019.04.014 %X Plants protect their wounds against pathogen invasion by releasing damage signals that induce immune responses in neighboring cells. A new study shows that a conserved bioactive peptide is released from its cytoplasmic precursor upon wounding by a metacaspase that is activated by calcium influx into the injured cell %U https://www.cell.com/current-biology/fulltext/S0960-9822(19)30412-9