Special Perspectives

Brassinosteroid Signaling: A Paradigm for Steroid Hormone Signaling from the Cell Surface

Science  01 Dec 2006:
Vol. 314, Issue 5804, pp. 1410-1411
DOI: 10.1126/science.1134040

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Abstract

Plants use the coordinated action of several small-molecule hormones to grow and develop optimally in response to a changing environment. Among these hormones are the brassinosteroids (BRs), the polyhydroxylated steroid hormones of plants. BRs bind a small family of leucine-rich repeat receptor kinases at the cell surface, thereby initiating an intracellular signal transduction cascade that results in the altered expression of hundreds of genes.

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