Stan J Roux

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To understand the early signaling steps in the response of plant cells to increased environmental temperature, 2-D difference gel electrophoresis was used to study the proteins in microsomes of Arabidopsis seedlings that are regulated early during heat stress. Using mass spectrometry, 19 microsomal proteins that showed an altered expression level within 5(More)
In Arabidopsis leaves there is a bi-phasic dose-response to applied nucleotides; i.e., lower concentrations induce stomatal opening, while higher concentrations induce closure. Two mammalian purinoceptor antagonists, PPADS and RB2, block both nucleotide-induced stomatal opening and closing. These antagonists also partially block ABA-induced stomatal closure(More)
The biochemical mechanisms by which polyamines influence plant growth and development are not known. One of mechanisms frequently proposed is that polyamines can bind to key cellular enzymes and modulate their activity. Polyamines have been reported to alter the activity of a number of enzymes in vitro. Among these the casein kinase-2 protein kinases are of(More)
s...............................................................................................1 Symposium I: Cell Mechanics.............................................................1 Posters I-A: Undergraduate Student Poster Competition...........................3 Posters I-B: Graduate Student Poster Competition..................................7(More)
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