Stanley J. Roux
Abstract
Red light initiates many important morphogenetic responses in plants through the mediation of the pigment, phytochrome. How phytochrome promotes photomorphogenesis is unknown. The evidence that photoactivated phytochrome initiates calcium fluxes in cells is reviewed and how these fluxes could regulate several known red-light induced effects in plants is discussed.
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Red light initiates many important morphogenetic responses in plants through the mediation of the pigment, phytochrome. How phytochrome promotes photomorphogenesis is unknown. The evidence that photoactivated phytochrome initiates calcium fluxes in cells is reviewed and how these fluxes could regulate several known red-light induced effects in plants is discussed.
Key concepts: Phytochrome, Photomorphogenesis, Botany, Red light, Phytochrome A, Mediation, Chemistry, Pigment