Hi, I am trying to get hold of a constitutively expressed RNA of A.thaliana (col-0) (preferably ribosomal e.g. 18S) that works well for probing Notherns to check equal loading....can anybody help me out? Thanks very much John Grant Lab 120 Daniel Rutherford building King's Buildings Edinburgh EH9 3JH Tel.: 0131 650 5339 Fax.: 0131 650 5392