Reference: Changwei Z, et al. (2007) Afr1p has a role in regulating the localization of Mpk1p at the shmoo tip in Saccharomyces cerevisiae. FEBS Lett 581(14):2670-4

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Abstract


Afr1p functions to promote adaptation to pheromone-induced growth arrest and morphogenesis. We show here that Afr1p regulates polarized localization of the Mpk1p MAP kinase in shmooing cells. Deletion of AFR1 results in mislocalization of Mpk1p although the scaffold protein Spa2p localizes normally at shmoo tip, and overexpression of Spa2 cannot rescue this defect, indicating Afr1p in required for Spa2p to recruit Mpk1 to the site of polarized growth during mating. Overexpression of SPA2 partially suppresses the morphogenetic defect of afr1Delta cells upon alpha-factor induction, suggesting the two proteins function in the same genetic pathway with Spa2p acts downstream of Afr1p.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Changwei Z, Mingyong X, Ranran W
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