Plant Physiol. Illumina
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

This Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in Web of Science
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via CrossRef
Right arrow Citing Articles via Web of Science (47)
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Grabski, S.
Right arrow Articles by Schindler, M.
Right arrow Search for Related Content
PubMed
Right arrow Articles by Grabski, S.
Right arrow Articles by Schindler, M.
Agricola
Right arrow Articles by Grabski, S.
Right arrow Articles by Schindler, M.

Regulation of Actin Tension in Plant Cells by Kinases and Phosphatases1

Sharon Grabski, Eric Arnoys, Benjamin Busch, and Melvin Schindler*

Department of Biochemistry, Michigan State University, East Lansing, Michigan 48824

Changes in the organization and mechanical properties of the actin network within plant and animal cells are primary responses to cell signaling. These changes are suggested to be mediated through the regulation of G/F-actin equilibria, alterations in the amount and/or type of actin-binding proteins, the binding of myosin to F-actin, and the formation of myosin filaments associated with F-actin. In the present communication, the cell optical displacement assay was used to investigate the role of phosphatases and kinases in modifying the tension and organization within the actin network of soybean cells. The results from these biophysical measurements suggest that: (a) calcium-regulated kinases and phosphatases are involved in the regulation of tension, (b) calcium transients induce changes in the tension and organization of the actin network through the stimulation of proteins containing calmodulin-like domains or calcium/calmodulin-dependent regulatory proteins, (c) myosin and/or actin cross-linking proteins may be the principal regulator(s) of tension within the actin network, and (d) these actin cross-linking proteins may be the principal targets of calcium-regulated kinases and phosphatases.

1   This work was financially supported by the Rackham Foundation.
*   Corresponding author; e-mail schindl1{at}pilot.msu.edu; fax 1-517-353-9334.

Plant Physiol. (1998) 116: 279-290
Copyright Clearance Center:   0032-0889/98/116/0279/12
© 1998 American Society of Plant Physiologists




This article has been cited by other articles:


Home page
 Plant Cell PhysiolHome page
K. Funaki, A. Nagata, Y. Akimoto, K. Shimada, K. Ito, and K. Yamamoto
The Motility of Chara corallina Myosin was Inhibited Reversibly by 2,3-Butanedione Monoxime (BDM)
Plant Cell Physiol., September 15, 2004; 45(9): 1342 - 1345.
[Abstract] [Full Text] [PDF]

Home page
 Am. J. Bot.Home page
E. B. Blancaflor and S. Gilroy
Plant cell biology in the new millennium: new tools and new insights
Am. J. Botany, November 1, 2000; 87(11): 1547 - 1560.
[Abstract] [Full Text]

Home page
 Plant Physiol.Home page
Y. Sato, A. Kadota, and M. Wada
Mechanically Induced Avoidance Response of Chloroplasts in Fern Protonemal Cells
Plant Physiology, September 1, 1999; 121(1): 37 - 44.
[Abstract] [Full Text]

Home page
 Plant Physiol.Home page
M. Sivaguru, D. Volkmann, H. H. Felle, and W. J. Horst
Impacts of Aluminum on the Cytoskeleton of the Maize Root Apex. Short-Term Effects on the Distal Part of the Transition Zone
Plant Physiology, March 1, 1999; 119(3): 1073 - 1082.
[Abstract] [Full Text]

Home page
 Plant Physiol.Home page
E. B. Blancaflor, D. L. Jones, and S. Gilroy
Alterations in the Cytoskeleton Accompany Aluminum-Induced Growth Inhibition and Morphological Changes in Primary Roots of Maize
Plant Physiology, September 1, 1998; 118(1): 159 - 172.
[Abstract] [Full Text]

Home page
 Plant Physiol.Home page
S. X. Lu and E. M. Hrabak
An Arabidopsis Calcium-Dependent Protein Kinase Is Associated with the Endoplasmic Reticulum
Plant Physiology, March 1, 2002; 128(3): 1008 - 1021.
[Abstract] [Full Text] [PDF]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
ASPB Publications PLANT PHYSIOLOGY® THE PLANT CELL
Copyright © 1998 by the American Society of Plant Biologists