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Apoplastic alkalinization is instrumental for the inhibition of cell elongation in the arabidopsis root by the ethylene precursor 1-aminocyclopropane-1-carboxylic acid

Marten Staal, Tinne De Cnodder, Damien Simon, Filip Vandenbussche UGent, Dominique Van Der Straeten UGent, Jean-Pierre Verbelen, Theo Elzenga and Kris Vissenberg (2011) PLANT PHYSIOLOGY. 155(4). p.2049-2055
abstract
In Arabidopsis (Arabidopsis thaliana; Columbia-0) roots, the so-called zone of cell elongation comprises two clearly different domains: the transition zone, a postmeristematic region (approximately 200-450 mu m proximal of the root tip) with a low rate of elongation, and a fast elongation zone, the adjacent proximal region (450 mu m away from the root tip up to the first root hair) with a high rate of elongation. In this study, the surface pH was measured in both zones using the microelectrode ion flux estimation technique. The surface pH is highest in the apical part of the transition zone and is lowest at the basal part of the fast elongation zone. Fast cell elongation is inhibited within minutes by the ethylene precursor 1-aminocyclopropane-1-carboxylic acid; concomitantly, apoplastic alkalinization occurs in the affected root zone. Fusicoccin, an activator of the plasma membrane H+-ATPase, can partially rescue this inhibition of cell elongation, whereas the inhibitor N,N'-dicyclohexylcarbodiimide does not further reduce the maximal cell length. Microelectrode ion flux estimation experiments with auxin mutants lead to the final conclusion that control of the activity state of plasma membrane H+-ATPases is one of the mechanisms by which ethylene, via auxin, affects the final cell length in the root.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
AUXIN RESPONSE, TEMPORAL RESOLUTION, MEMBRANE H+-ATPASE, EXPRESSION PATTERNS, FUSICOCCIN BINDING, EXTRACELLULAR PH, WALL EXTENSION, POLLEN TUBES, CORN ROOTS, GROWTH
journal title
PLANT PHYSIOLOGY
Plant Physiol.
volume
155
issue
4
pages
2049 - 2055
Web of Science type
Article
Web of Science id
000289095500051
JCR category
PLANT SCIENCES
JCR impact factor
6.535 (2011)
JCR rank
7/189 (2011)
JCR quartile
1 (2011)
ISSN
0032-0889
DOI
10.1104/pp.110.168476
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1212142
handle
http://hdl.handle.net/1854/LU-1212142
date created
2011-04-26 09:36:08
date last changed
2011-04-29 13:49:43
@article{1212142,
  abstract     = {In Arabidopsis (Arabidopsis thaliana; Columbia-0) roots, the so-called zone of cell elongation comprises two clearly different domains: the transition zone, a postmeristematic region (approximately 200-450 mu m proximal of the root tip) with a low rate of elongation, and a fast elongation zone, the adjacent proximal region (450 mu m away from the root tip up to the first root hair) with a high rate of elongation. In this study, the surface pH was measured in both zones using the microelectrode ion flux estimation technique. The surface pH is highest in the apical part of the transition zone and is lowest at the basal part of the fast elongation zone. Fast cell elongation is inhibited within minutes by the ethylene precursor 1-aminocyclopropane-1-carboxylic acid; concomitantly, apoplastic alkalinization occurs in the affected root zone. Fusicoccin, an activator of the plasma membrane H+-ATPase, can partially rescue this inhibition of cell elongation, whereas the inhibitor N,N'-dicyclohexylcarbodiimide does not further reduce the maximal cell length. Microelectrode ion flux estimation experiments with auxin mutants lead to the final conclusion that control of the activity state of plasma membrane H+-ATPases is one of the mechanisms by which ethylene, via auxin, affects the final cell length in the root.},
  author       = {Staal, Marten and De Cnodder, Tinne and Simon, Damien and Vandenbussche, Filip and Van Der Straeten, Dominique and Verbelen, Jean-Pierre and Elzenga, Theo and Vissenberg, Kris},
  issn         = {0032-0889},
  journal      = {PLANT PHYSIOLOGY},
  keyword      = {AUXIN RESPONSE,TEMPORAL RESOLUTION,MEMBRANE H+-ATPASE,EXPRESSION PATTERNS,FUSICOCCIN BINDING,EXTRACELLULAR PH,WALL EXTENSION,POLLEN TUBES,CORN ROOTS,GROWTH},
  language     = {eng},
  number       = {4},
  pages        = {2049--2055},
  title        = {Apoplastic alkalinization is instrumental for the inhibition of cell elongation in the arabidopsis root by the ethylene precursor 1-aminocyclopropane-1-carboxylic acid},
  url          = {http://dx.doi.org/10.1104/pp.110.168476},
  volume       = {155},
  year         = {2011},
}

Chicago
Staal, Marten, Tinne De Cnodder, Damien Simon, Filip Vandenbussche, Dominique Van Der Straeten, Jean-Pierre Verbelen, Theo Elzenga, and Kris Vissenberg. 2011. “Apoplastic Alkalinization Is Instrumental for the Inhibition of Cell Elongation in the Arabidopsis Root by the Ethylene Precursor 1-aminocyclopropane-1-carboxylic Acid.” Plant Physiology 155 (4): 2049–2055.
APA
Staal, M., De Cnodder, T., Simon, D., Vandenbussche, F., Van Der Straeten, D., Verbelen, J.-P., Elzenga, T., et al. (2011). Apoplastic alkalinization is instrumental for the inhibition of cell elongation in the arabidopsis root by the ethylene precursor 1-aminocyclopropane-1-carboxylic acid. PLANT PHYSIOLOGY, 155(4), 2049–2055.
Vancouver
1.
Staal M, De Cnodder T, Simon D, Vandenbussche F, Van Der Straeten D, Verbelen J-P, et al. Apoplastic alkalinization is instrumental for the inhibition of cell elongation in the arabidopsis root by the ethylene precursor 1-aminocyclopropane-1-carboxylic acid. PLANT PHYSIOLOGY. 2011;155(4):2049–55.
MLA
Staal, Marten, Tinne De Cnodder, Damien Simon, et al. “Apoplastic Alkalinization Is Instrumental for the Inhibition of Cell Elongation in the Arabidopsis Root by the Ethylene Precursor 1-aminocyclopropane-1-carboxylic Acid.” PLANT PHYSIOLOGY 155.4 (2011): 2049–2055. Print.