Subject: Reply to a question of DAPI staining The DAPI staining of Arabidopsis roots has been reported in Planta (1993) 189: 443-452 by M. Fujie, H. Kuroiwa, S. Kawano, & T. Kuroiwa, as far as I know. Hiro Kobayashi UNIVERSITY OF SHIZUOKA NATIONAL INSTITUTE FOR BASIC BIOLOGY (Adjunct) e-mail: hirokazu at u-shizuoka-ken.ac.jp