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

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Science  07 Oct 2005:
Vol. 310, Issue 5745, pp. 71-73
DOI: 10.1126/science.1118580

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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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