Isolation of RER membranes

[David DeGroote]

We are interested in references to start the following project.
Isolation of RER membranes from plant tissue (leaf and callus).
We would like to isolate the membranes with the ribosomal complex attached.
The goal is to isolate the putative mRNA for membrane and secreted 
polypeptides.
Any protocols or reference would be appreciated.
Thanks in advance.
David DeGroote
Biology
St. Cloud State University 
St. Cloud, MN 
56301
(612-255-3065)
E-mail DeGroote at tigger.stcloud.msus.edu