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First published online November 8, 2006
doi: 10.1242/10.1242/jcs.03247

Journal of Cell Science 119, 4589-4598 (2006)
Published by The Company of Biologists 2006
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Actin regulation in endocytosis

Elizabeth Smythe1 and Kathryn R. Ayscough2,*

1 Department of Biomedical Science and Biotechnology, Firth Court, Western Bank, University of Sheffield, Sheffield, S10 2TN, UK
2 Department of Molecular Biology and Biotechnology, Firth Court, Western Bank, University of Sheffield, Sheffield, S10 2TN, UK


Figure 1
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  		Fig. 1. Movement of actin patches visualised in real-time. Cells expressing a GFP-tagged actin-binding protein (Abp1p) were used to visualise the organisation and behaviour of actin patches during the endocytic process (upper panel). Images were recorded for 200 mseconds at 1-second intervals, using a DeltaVision RT Restoration Microscopy System running SoftWoRxTM image analysis (Applied Precision Instruments, Seattle). Displayed are 12 consecutive images illustrating the arrival of Abp1p at the patch, and its movement and ultimate disassembly from the newly formed vesicle. Arrows indicate the initial arrival of Abp1p at the site and its disassembly and movement at the end of the sequence. Bar, 2 µm.

 

Figure 2
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  		Fig. 2. Actin regulation in endocytosis. Schematic diagram depicting definable stages of endocytosis in yeast and the functions of actin-regulatory proteins in this process. Where mammalian orthologues of these proteins are known, these are illustrated on the right.

 

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© The Company of Biologists Ltd 2006