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Biochemistry, Biophysics, and Structural Biology Commons

Open Access. Powered by Scholars. Published by Universities.®

Open Dartmouth: Faculty Open Access Scholarship

2014

Cell adhesion

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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

The Formin Fmnl3 Assembles Plasma Membrane Protrusions That Participate In Cell–Cell Adhesion, Timothy J. Gauvin, Lorna E. Young, Henry N. Higgs Nov 2014

The Formin Fmnl3 Assembles Plasma Membrane Protrusions That Participate In Cell–Cell Adhesion, Timothy J. Gauvin, Lorna E. Young, Henry N. Higgs

Open Dartmouth: Faculty Open Access Scholarship

FMNL3 is a vertebrate-specific formin protein previously shown to play a role in angiogenesis and cell migration. Here we define the cellular localization of endogenous FMNL3, the dynamics of GFP-tagged FMNL3 during cell migration, and the effects of FMNL3 suppression in mammalian culture cells. The majority of FMNL3 localizes in a punctate pattern, with >95% of these puncta being indistinguishable from the plasma membrane by fluorescence microscopy. A small number of dynamic cytoplasmic FMNL3 patches also exist, which enrich near cell–cell contact sites and fuse with the plasma membrane at these sites. These cytoplasmic puncta appear to be part ...