ABSTRACT
Surface..........................................................................................................146 7.3 Apical and Basolateral Sorting Signals Directing Polarized Protein
Trafficking ....................................................................................................147 7.4 Apical Sorting Signals Interact with Specialized Lipid Microdomains
(Rafts) or Sorting Receptors ........................................................................150 7.5 Basolateral Sorting Signals Interact with Specialized Cytoplasmic
Adaptors .......................................................................................................151 7.6 Role of Microtubule Motors in Exit from the TGN and Transport
to the Plasma Membrane .............................................................................152 7.7 Role of the Actin Cytoskeleton in Golgi Exit and Arrival at the Cell
Surface..........................................................................................................153 7.8 Control of Polarity by Small GTPases ........................................................155 7.9 The Tight Junction/Zonula Adherens: A Hot Area for Surface
Targeting? .....................................................................................................156 7.10 Passive Mechanisms That Account for the Polarized Distribution of
Membrane and Cytoskeletal Proteins ..........................................................157 Acknowledgments..................................................................................................158 References..............................................................................................................158