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