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Science. 2005 Oct 7;310(5745):71-3.

G proteins Go green: a plant G protein signaling FAQ sheet.

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  • Biology Department, Pennsylvania State University, 208 Mueller Laboratory, University Park, PA 16802, USA. sma3@psu.edu


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.

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