Bsp1p/Ypr171p is an adapter that directly links some synaptojanin family members to the cortical actin cytoskeleton in yeast

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Abstract

In this study we identified a novel protein, Bsp1p, that interacts directly with two yeast synaptojanins, Sjl2p and Sjl3p, but not with Sjl1p. The interaction takes place via the Sac1/polyphosphoinositide phosphatase domain, whose conserved C-terminal region is important for binding. Subcellular localization and genetic interactions revealed a function of Bsp1p in the cortical actin cytoskeleton. A fraction of Bsp1p was found to be membrane-associated. Studies with mutants of phosphatidylinositol 4-kinase, PIK1, suggested that the interaction with membranes is facilitated by phosphoinositides. We propose that Bsp1p is an adapter that links Sjl2p and Sjl3p to the cortical actin cytoskeleton. © 2003 Published by Elsevier Science B.V. on behalf of the Federation of European Biochemical Societies.

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Wicky, S., Frischmuth, S., & Singer-Krüger, B. (2003). Bsp1p/Ypr171p is an adapter that directly links some synaptojanin family members to the cortical actin cytoskeleton in yeast. FEBS Letters, 537(1–3), 35–41. https://doi.org/10.1016/S0014-5793(03)00067-X

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