Cell Polarity

Cell Polarity

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Few cells conform to the stereotype of the spherical blob hastily scribbled on chalkboards and, regrettably, sometimes even displayed prominently in textbooks. Instead, real cells display a remarkable degree of structural and functional asymmetry. In modern cell biological parlance, this asymmetry has come to be lumped under the general heading of qcell polarityq. Cell polarity is by no means restricted to the cells of tissues and organs, but can also be displayed by cells that lead a more solitary existence. The amazing extent to which cell morphology is correlated with function has long been a source of inspiration for biologists. Today the fascination continues unabated in the field of cell polarity, where it is fueled by an ever-deepening appreciation for the ways that fundamental cellular processes, such as membrane trafficking and cytoskeleton assembly, contribute to the establishment and maintenance of cell polarity. In the ensuing chapters, a collection of experts will summarize and interpret the findings obtained from basic research on cell polarity in a diverse array of experimental systems.Next, SLSO-containing vesicles fuse with the sarcolemma, resulting in, first, a nonuniform distribution of SLSO (step 2). Then the SL5O quickly ... (Diagram and legend reprinted with permission from lorgensen et al., 1990). (B) One ... Next, T52 8-containingvesicles (C1 ) fuse firstwith the sarcolemma to form a caveolae ( C2).

Title:Cell Polarity
Author:J.R. Bartles
Publisher:Elsevier - 1998-08-25


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