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


     

First published online July 18, 2002; 10.1104/pp.005777

This Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow All Versions of this Article:
129/4/1464    most recent
pp.005777v1
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 ISI Web of Science
Right arrow Similar articles in PubMed
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 ISI Web of Science (47)
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Ringli, C.
Right arrow Articles by Keller, B.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Ringli, C.
Right arrow Articles by Keller, B.
Agricola
Right arrow Articles by Ringli, C.
Right arrow Articles by Keller, B.

Plant Physiol, August 2002, Vol. 129, pp. 1464-1472

ACTIN2 Is Essential for Bulge Site Selection and Tip Growth during Root Hair Development of Arabidopsis1

Christoph Ringli,* Nicolas Baumberger, Anouck Diet, Beat Frey, and Beat Keller

Institute of Plant Biology, University of Zurich, 8008 Zurich, Switzerland (C.R., N.B., A.D., B.K.); and Swiss Federal Institute for Forest, Snow, and Landscape Research, 8903 Birmensdorf, Switzerland (B.F.)

Root hairs develop as long extensions from root epidermal cells. After the formation of an initial bulge at the distal end of the epidermal cell, the root hair structure elongates by tip growth. Because root hairs are not surrounded by other cells, root hair formation provides an excellent system for studying the highly complex process of plant cell growth. Pharmacological experiments with actin filament-interfering drugs have provided evidence that the actin cytoskeleton is an important factor in the establishment of cell polarity and in the maintenance of the tip growth machinery at the apex of the growing root hair. However, there has been no genetic evidence to directly support this assumption. We have isolated an Arabidopsis mutant, deformed root hairs 1 (der1), that is impaired in root hair development. The DER1 locus was cloned by map-based cloning and encodes ACTIN2 (ACT2), a major actin of the vegetative tissue. The three der1 alleles develop the mutant phenotype to different degrees and are all missense mutations, thus providing the means to study the effect of partially functional ACT2. The detailed characterization of the der1 phenotypes revealed that ACT2 is not only involved in root hair tip growth, but is also required for correct selection of the bulge site on the epidermal cell. Thus, the der1 mutants are useful tools to better understand the function of the actin cytoskeleton in the process of root hair formation.

1 This work was supported by the Swiss National Science Foundation (grant nos. 31-51055.97 and 31-61419.00).

* Corresponding author; e-mail chringli{at}botinst.unizh.ch; fax 41-1-634-82-04.

© 2002 American Society of Plant Physiologists


This article has been cited by other articles:


Home page
 Plant Physiol.Home page
C.-M. Yoo, J. Wen, C. M. Motes, J. A. Sparks, and E. B. Blancaflor
A Class I ADP-Ribosylation Factor GTPase-Activating Protein Is Critical for Maintaining Directional Root Hair Growth in Arabidopsis
Plant Physiology, August 1, 2008; 147(4): 1659 - 1674.
[Abstract] [Full Text] [PDF]

Home page
 ScienceHome page
S. Takeda, C. Gapper, H. Kaya, E. Bell, K. Kuchitsu, and L. Dolan
Local Positive Feedback Regulation Determines Cell Shape in Root Hair Cells
Science, February 29, 2008; 319(5867): 1241 - 1244.
[Abstract] [Full Text] [PDF]

Home page
 Plant CellHome page
M. K. Kandasamy, B. Burgos-Rivera, E. C. McKinney, D. R. Ruzicka, and R. B. Meagher
Class-Specific Interaction of Profilin and ADF Isovariants with Actin in the Regulation of Plant Development
PLANT CELL, October 1, 2007; 19(10): 3111 - 3126.
[Abstract] [Full Text] [PDF]

Home page
 Plant CellHome page
P. A. Hemsley, A. C. Kemp, and C. S. Grierson
The TIP GROWTH DEFECTIVE1 S-Acyl Transferase Regulates Plant Cell Growth in Arabidopsis
PLANT CELL, September 1, 2005; 17(9): 2554 - 2563.
[Abstract] [Full Text] [PDF]

Home page
 Plant Cell PhysiolHome page
C. Ringli, N. Baumberger, and B. Keller
The Arabidopsis Root Hair Mutants der2-der9 are Affected at Different Stages of Root Hair Development
Plant Cell Physiol., July 1, 2005; 46(7): 1046 - 1053.
[Abstract] [Full Text] [PDF]

Home page
 Plant CellHome page
K. Tamura, T. Shimada, M. Kondo, M. Nishimura, and I. Hara-Nishimura
KATAMARI1/MURUS3 Is a Novel Golgi Membrane Protein That Is Required for Endomembrane Organization in Arabidopsis
PLANT CELL, June 1, 2005; 17(6): 1764 - 1776.
[Abstract] [Full Text] [PDF]

Home page
 Plant Physiol.Home page
K. Yi, C. Guo, D. Chen, B. Zhao, B. Yang, and H. Ren
Cloning and Functional Characterization of a Formin-Like Protein (AtFH8) from Arabidopsis
Plant Physiology, June 1, 2005; 138(2): 1071 - 1082.
[Abstract] [Full Text] [PDF]

Home page
 Plant CellHome page
R. Zhong, D. H. Burk, C. J. Nairn, A. Wood-Jones, W. H. Morrison III, and Z.-H. Ye
Mutation of SAC1, an Arabidopsis SAC Domain Phosphoinositide Phosphatase, Causes Alterations in Cell Morphogenesis, Cell Wall Synthesis, and Actin Organization
PLANT CELL, May 1, 2005; 17(5): 1449 - 1466.
[Abstract] [Full Text] [PDF]

Home page
 Plant CellHome page
X.-B. Li, X.-P. Fan, X.-L. Wang, L. Cai, and W.-C. Yang
The Cotton ACTIN1 Gene Is Functionally Expressed in Fibers and Participates in Fiber Elongation
PLANT CELL, March 1, 2005; 17(3): 859 - 875.
[Abstract] [Full Text] [PDF]

Home page
 Plant CellHome page
H. Kim, M. Park, S. J. Kim, and I. Hwang
Actin Filaments Play a Critical Role in Vacuolar Trafficking at the Golgi Complex in Plant Cells
PLANT CELL, March 1, 2005; 17(3): 888 - 902.
[Abstract] [Full Text] [PDF]

Home page
 Plant CellHome page
J. Xu and B. Scheres
Dissection of Arabidopsis ADP-RIBOSYLATION FACTOR 1 Function in Epidermal Cell Polarity
PLANT CELL, February 1, 2005; 17(2): 525 - 536.
[Abstract] [Full Text] [PDF]

Home page
 Plant Cell PhysiolHome page
A. Diet, S. Brunner, and C. Ringli
The enl Mutants Enhance the lrx1 Root Hair Mutant Phenotype of Arabidopsis thaliana
Plant Cell Physiol., June 15, 2004; 45(6): 734 - 741.
[Abstract] [Full Text] [PDF]

Home page
 Plant CellHome page
M. L. Preuss, J. Serna, T. G. Falbel, S. Y. Bednarek, and E. Nielsen
The Arabidopsis Rab GTPase RabA4b Localizes to the Tips of Growing Root Hair Cells
PLANT CELL, June 1, 2004; 16(6): 1589 - 1603.
[Abstract] [Full Text] [PDF]

Home page
 Plant Cell PhysiolHome page
T. Nishimura, E. Yokota, T. Wada, T. Shimmen, and K. Okada
An Arabidopsis ACT2 Dominant-Negative Mutation, which Disturbs F-actin Polymerization, Reveals its Distinctive Function in Root Development
Plant Cell Physiol., November 15, 2003; 44(11): 1131 - 1140.
[Abstract] [Full Text] [PDF]

Home page
 Plant CellHome page
J. Mathur, N. Mathur, B. Kernebeck, and M. Hulskamp
Mutations in Actin-Related Proteins 2 and 3 Affect Cell Shape Development in Arabidopsis
PLANT CELL, July 1, 2003; 15(7): 1632 - 1645.
[Abstract] [Full Text] [PDF]

Home page
 Plant Physiol.Home page
M. L. Tansengco, M. Hayashi, M. Kawaguchi, H. Imaizumi-Anraku, and Y. Murooka
crinkle, a Novel Symbiotic Mutant That Affects the Infection Thread Growth and Alters the Root Hair, Trichome, and Seed Development in Lotus japonicus
Plant Physiology, March 1, 2003; 131(3): 1054 - 1063.
[Abstract] [Full Text] [PDF]

Home page
 Plant Physiol.Home page
N. Baumberger, B. Doesseger, R. Guyot, A. Diet, R. L. Parsons, M. A. Clark, M.P. Simmons, P. Bedinger, S. A. Goff, C. Ringli, et al.
Whole-Genome Comparison of Leucine-Rich Repeat Extensins in Arabidopsis and Rice. A Conserved Family of Cell Wall Proteins Form a Vegetative and a Reproductive Clade
Plant Physiology, March 1, 2003; 131(3): 1313 - 1326.
[Abstract] [Full Text] [PDF]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
ASPB Publications PLANT PHYSIOLOGY THE PLANT CELL
Copyright © 2002 by the American Society of Plant Biologists