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Sci. STKE, 9 October 2007
Vol. 2007, Issue 407, p. cm4
[DOI: 10.1126/stke.4072007cm4]

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Cytokinin Signaling Pathway

Bruno Müller and Jen Sheen*

Department of Molecular Biology, Massachusetts General Hospital, and Department of Genetics, Harvard Medical School, Boston, MA 02114, USA.

Abstract: Cytokinins are key regulators of a large number of processes in plant development, which is highly plastic and adaptive, and remarkably resilient and self-perpetuating. Cytokinin signaling involves a multistep two-component system, also called a phosphorelay signaling system. Genes encoding the central components to build the cytokinin phosphorelay system are found in diverse plant species, resulting in the establishment of a canonical model of cytokinin signaling that is likely representative and conserved in plants. The cytokinin signaling pathway can be modulated by nutrients, stress, and other hormones, and is integrated into a signaling network in both shoots and roots.

*Corresponding author. E-mail, sheen{at}molbio.mgh.harvard.edu

Citation: B. Müller, J. Sheen, Cytokinin Signaling Pathway. Sci. STKE 2007, cm4 (2007).

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