Crossref journal-article
Rockefeller University Press
The Journal of Cell Biology (291)
Abstract

Actin in eukaryotic cells is found in different pools, with filaments being organized into a variety of supramolecular assemblies. To investigate the assembly and functional relationships between different parts of the actin cytoskeleton in one cell, we studied the morphology and dynamics of cables and patches in yeast. The fine structure of actin cables and the manner in which cables disassemble support a model in which cables are composed of a number of overlapping actin filaments. No evidence for intrinsic polarity of cables was found. To investigate to what extent different parts of the actin cytoskeleton depend on each other, we looked for relationships between cables and patches. Patches and cables were often associated, and their polarized distributions were highly correlated. Therefore, patches and cables do appear to depend on each other for assembly and function. Many cell types show rearrangements of the actin cytoskeleton, which can occur via assembly or movement of actin filaments. In our studies, dramatic changes in actin polarization did not include changes in filamentous actin. In addition, the concentration of actin patches was relatively constant as cells grew. Therefore, cells do not have bursts of activity in which new parts of the actin cytoskeleton are created.

Bibliography

Karpova, T. S., McNally, J. G., Moltz, S. L., & Cooper, J. A. (1998). Assembly and Function of the Actin Cytoskeleton of Yeast: Relationships between Cables and Patches. The Journal of Cell Biology, 142(6), 1501–1517.

Authors 4
  1. Tatiana S. Karpova (first)
  2. James G. McNally (additional)
  3. Samuel L. Moltz (additional)
  4. John A. Cooper (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 26, 2002, 12:47 p.m.)
Deposited 2 years, 1 month ago (July 22, 2023, 3:55 a.m.)
Indexed 9 months, 1 week ago (Nov. 19, 2024, 10:42 a.m.)
Issued 26 years, 11 months ago (Sept. 21, 1998)
Published 26 years, 11 months ago (Sept. 21, 1998)
Published Online 26 years, 11 months ago (Sept. 21, 1998)
Published Print 26 years, 11 months ago (Sept. 21, 1998)
Funders 0

None

@article{Karpova_1998, title={Assembly and Function of the Actin Cytoskeleton of Yeast: Relationships between Cables and Patches}, volume={142}, ISSN={1540-8140}, url={http://dx.doi.org/10.1083/jcb.142.6.1501}, DOI={10.1083/jcb.142.6.1501}, number={6}, journal={The Journal of Cell Biology}, publisher={Rockefeller University Press}, author={Karpova, Tatiana S. and McNally, James G. and Moltz, Samuel L. and Cooper, John A.}, year={1998}, month=sep, pages={1501–1517} }