Lecture 15 - 022211

Lecture 15 - 022211 - Plant Signals and Hormones Lecture...

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1 Lecture Professor Julian Schroeder Plant Signals and Hormones I. Abscisic Acid – Stress Signaling II. Auxin III. Other Hormones IV. Signal Reception PLANT SIGNALS AND HORMONES Abscisic Acid (ABA) - inhibitory hormone/stress hormone - protect dormancy of seeds - inhibits germination; counter GA - inhibits cell division; counter cytokines - regulates root growth - soil drought ABA closes stomata
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2 Figure 36.15 SIGNAL TRANSDUCTION Ion Channel functions in ABA Signal Transduction Discovery of ABA Receptors PYR/RCAR -Park SY., Fung P., Nishimura N et al., (2009) Science -Ma Y., Szostkiewicz I, Korte A et al., (2009) Science
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3 ABA Binding to one subunit of PYR1 dimer movie N. Nishimura., K. Hitomi., A.S. Arvai., R. P. Rambo., C. Hitomi, S. Cutler Science (2009) BILD 2 Final Review Session by TAs: Saturday, March 12 12:00 2:50pm SOLIS 107 II. AUXIN Figure 39.5 A. Phototropism
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4 II. AUXIN B. Effects of Auxin
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This note was uploaded on 03/18/2011 for the course BILD 2 taught by Professor Schroeder during the Winter '08 term at UCSD.

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Lecture 15 - 022211 - Plant Signals and Hormones Lecture...

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