Heterochromatin without methylation

[Bob Lansman]

Bob Lansman <lansman at uwosh.edu>
wrote
 
In a discussion of CpG methylation and heterochromatin I was asked by a
student how heterochromatic status is heritable in the organisms like
Drosophila which apparently do not methylate CpGs.  I was stumped.  Can
anyone help me answer the question of steer me in the right direction?  I
have also been wondering what the mechanism for delay of heterochromatin
replication is.  Surely this must have been thoroughly investigated by now.
Thanks,

 
Bob Lansman
Department of Biology and Microbiology
University of Wisconsin Oshkosh
Oshkosh WI,  54901
(414)424-7089    FAX  (414)424-1101