constitutive gene for Northerns

[Amie Franklin]

Jonathan Howarth wrote " I am currently studying gene expression in
Arabidopsis roots, stems, leaves, flowers and siliques and am looking
for a constitutive probe for my northerns." 

Jon, check out Huang et. al. PNAS 90:10066-10070, a cyclophilin gene was
used as a constitutively expressed gene and is pretty good. More careful
analysis was done on the tomato version I think Gasser et. al PNAS
87:9519-9523. 

hope this helps,
Amie

amief at candelab.berkeley.edu