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The mechanisms controlling cytokinesis during yeast budding and animal cell fission appear quite different, yet both require members of the septin protein family. Mammalian homologs of this novel family of GTPases have been identified but little is known about their properties or functions. Using an antibody specific for the mammalian septin H5, we show(More)
The effects of potassium cyanide (KCN) pretreatment on the response of cucumber (Cucumis sativus L.) plants to salt, polyethylene glycol (PEG) and cold stress were investigated in the present study. Here, we found that KCN pretreatment improved cucumber seedlings tolerance to stress conditions with maximum efficiency at a concentration of 20 µM. The results(More)
Proteins that bind to SNAREs may regulate their function. One such protein, VAP-33, was first discovered in Aplysia californica and has two mammalian homologues, VAP-A and VAP-B. VAP-A has been implicated in vesicle targeting to the plasma membrane based on its location in polarized cells and its ability to bind VAMP in vitro. Here, we demonstrate that(More)
Genetic and physiological studies have revealed evidences for multiple signaling pathways by which the plastid exerts retrograde control over photosynthesis-associated-nuclear-genes (PhANGs). Recently, more and more studies showed that plastid signals affected more cellular processes other than PhANGs repression. Previous reports indicated that the(More)
Primary cilia are cellular antennae that receive and transduce extracellular cues. These microtubule-rich structures are comprised of at least three distinct ciliary compartments: basal bodies, transition zone, and axoneme. Septins have been implicated in cilia function at the transition zone, but accumulating evidence suggests that they localize(More)
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