Roymarie Ballester 4 . Effectors of GTP binding proteins and generation of second messengers a . Lipid signaling ii . Stu Feinstein 2 . Stu Feinstein 3 .
Protein scaffolds b .
I - A description of current work describing the components of the light sensing mechanism in plants. The photoreceptor phytochrome b . Rolf Christoffersen 2 . Experimental approaches used to elucidate the pathway i . Mutant analysis ii .