The Protestant Legend Presented by: Thao Cao Mentor: Dr. Hiro Nonogaki Seed Biology Laboratory The Protestant Legend
Food Genetic information Dispersal unit
heOrganism/Modeling_the_Organism.htm Broccoli Cauliflower Brussels Sprouts Brassicaceae Canola
Dry seed NF-YA9 NF-YA3 Dry seed High Low Expression
Down-regulation of NF-YA gene by microRNA is essential to maintain normal developmental program of seeds.
MicroRNA RISC
Wild type Control Mutant
Conditional expression Chemical Alcohol Heat Shock Chemical Induction
Gene of Interest Promoter 5XUAS Switch CsMV Promoter Chemical Induction (ligand: methoxyfenozide) Courtesy of Dr. Roger Beachy, Donald Danforth Plant Science Center VP16 ActivationGAL4 DNA BindingEcdysone Receptor Active
Promoter GUS Promoter GUS Uninduced Induced
Wild type AGE:GUS days after Imbibition
Uninduced Induced
-- ++ NF-YA3 mNF-YA3
Actin - + NF-YA9 Wild type NF-YA9 mNF-YA
Howard Hughes Medical Institute Dr. Kevin Ahern Dr. Hiro Nonogaki Louis Stokes Alliance for Minority Participation Natalya Goloviznina Theresa Nguyen Dr. Cristina Martinez-Andujar Mariko Nonogaki Satoru Yamagishi