The endoplasmic reticulum (ER) of columella root cap cells has been postulated to play a role in gravity sensing. We have re-examined the ultrastructure of columella cells in tobacco (Nicotiana ...
Plant and Soil, Vol. 430, No. 1/2 (September 2018), pp. 205-217 (13 pages) Aims Most plants produce a root tip extracellular matrix that includes viable border cell populations programmed to disperse ...