Propidium iodide and plant cell walls

I used propidium iodide as a counterstain for plant cell wall analysis and
found that it significantly stained cell walls in highly lignified tissues.
Does anyone know about this phenomena, and can tell me what specific
components are being stained.


Royston E. Carter, PhD.
Syngenta Biotechnology Inc.,
3054 Cornwallis Road,
Research Triangle Park.
NC 27709-2257.

Please note new e-mail address

Ph. (919) 765 5056
F.   (919) 541 8585

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