Induction by macromolecs

[NICHOLAS THEODORAKIS]

In article <3dv8bb$oq0 at agate.berkeley.edu>,
Louis Hom <lhom at OCF.Berkeley.EDU> wrote:
>So, there are plenty of examples where a small molecule induces the expression
>of a gene, say the gene encoding the degradative enzyme.  But does anyone
>know of a case where a macromolecule induces the expression of a gene?  I
>realize that txn factors are macromolecules, but what I'm looking for is
>induction by the presence of macromolecues besides txn factors.  (I'm looking
>at virus-host interxns)
>....

I'm not exactly sure what you are asking.  Intracellular molecules only?  
Primary effectors of gene expression, or part of a cascade?

Does growth factor -induced gene expression qualify by your criteria?  

NIck

-- 
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
			Nick Theodorakis
			ntheo at welchlink.welch.jhu.edu
			Johns Hopkins Medical School, Baltimore, MD