Sytox green staining of the different cell types that compose the root 4 h after a 55°C HS treatment. The video is derived from a stack of serial confocal z sections taken through the root of a 6-d-old seedling stained with SYTOX green 4 h after a 55ºC HS (4-¼m step size). This video supplements Fig. 2 b.
