Root Hairs

injected root hair Root Hairs. An Arabidopsis thaliana root hair impaled and injected with the fluorescent dye lucifer yellow. Note the cytoplasmic location of the dye, hence the cytoplasmic location of the micropipette tip (the lucifer yellow dye preferentially accumulates in the nuclei). The micropipette is used to measure the electrical properties of the root hair.

Image: Continued growth of a root hair after impalement (and removal of the micropipette). Time intervals are 2 or 3 minutes.

Root Hair Growth


Images: Triple-barrel micropipette (upper) and seedling growth on gellan gum substrate (lower).