Keren Bracha‐Drori
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Functional Analysis of Arabidopsis Postprenylation CaaX Processing Enzymes and Their Function in Subcellular Protein Targeting Open
Prenylation is a posttranslational protein modification essential for developmental processes and response to abscisic acid. Following prenylation, the three C-terminal residues are proteoliticaly removed and in turn the free carboxyl grou…
Specification of <i>Arabidopsis</i> floral meristem identity by repression of flowering time genes Open
Flowering plants produce floral meristems in response to intrinsic and extrinsic flowering inductive signals. In Arabidopsis, the floral meristem identity genes LEAFY (LFY) and APETALA1(AP1) are activated to play a pivotal role in specifyi…
Ectopic Expression of an Activated RAC in<i>Arabidopsis</i>Disrupts Membrane Cycling Open
Rho GTPases regulate the actin cytoskeleton, exocytosis, endocytosis, and other signaling cascades. Rhos are subdivided into four subfamilies designated Rho, Racs, Cdc42, and a plant-specific group designated RACs/Rops. This research demon…
A Cell-Specific, Prenylation-Independent Mechanism Regulates Targeting of Type II RACs Open
The RHO proteins, which regulate numerous signaling cascades, undergo prenylation, facilitating their interaction with membranes and with proteins called RHO.GDP dissociation inhibitors. It has been suggested that prenylation is required f…