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Science 310 (5745): 71-73

Copyright © 2005 by the American Association for the Advancement of Science

G Proteins Go Green: A Plant G Protein Signaling FAQ Sheet

Sarah M. Assmann

Abstract: Plants, like animals, use signal transduction pathways based on heterotrimeric guanine nucleotide–binding proteins (G proteins) to regulate many aspects of development and cell signaling. Some components of G protein signaling are highly conserved between plants and animals and some are not. This Viewpoint compares key aspects of G protein signal transduction in plants and animals and describes the current knowledge of this system in plants, the questions that still await exploration, and the value of research on plant G proteins to scientists who do not study plants. Pathways in Science's Signal Transduction Knowledge Environment Connections Maps database provide details about the emerging roles of G proteins in several cellular processes of plants.

Biology Department, Pennsylvania State University, 208 Mueller Laboratory, University Park, PA 16802, USA.

E-mail: sma3{at}psu.edu


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