Contents

14 July 2020
Vol 13, Issue 640

About The Cover

Cover image expansion

Online Cover This week features a Research Article that shows that systemic wound signaling in the model plant Arabidopsis thaliana requires pH-sensitive, Ca2+-permeable glutamate receptors. (See also the associated Focus.) The image shows intracellular Ca2+ release (green) in the stems and leaves of an Arabidopsis plant after wounding of the main root. [Image: Shao et al./Science Signaling]