Review

Systems Biology of AGC Kinases in Fungi

Science's STKE  12 Sep 2006:
Vol. 2006, Issue 352, pp. re9
DOI: 10.1126/stke.3522006re9

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Gloss

This STKE Review discusses the evidence that Sch9 is the yeast Saccharomyces cerevesiae homolog of mammalian protein kinase B. Protein kinase B and Sch9 are members of the AGC family of protein kinases, which are involved in diverse cellular functions, including nutrient-sensitive signaling that affects cell survival, cell size, cell cycle progression, and cellular response to stress. With 3 figures, 1 table, and 55 citations, this review provides a discussion of the methods for investigating AGC kinase function, with special emphasis on the challenges presented by the essential nature of these enzymes and their functional redundancy. There is also a discussion of how yeast cells can be used to study aging and longevity, with a description of the evidence for a role for Sch9 in aging and nutrient-sensitive processes.

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