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Signal transduction

Linking nutrients to growth

How cells sense nutrients to control growth is largely unknown. One missing link involved in conveying the nutrient signal to the TOR protein, which regulates growth, seems to be the Rag proteins.

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Figure 1: Passing on the message.

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Zinzalla, V., Hall, M. Linking nutrients to growth. Nature 454, 287–288 (2008). https://doi.org/10.1038/454287a

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