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@ARTICLE{ChavarriaKrauser:59278,
author = {Chavarria-Krauser, A. and Nagel, K. A. and Palme, K. and
Schurr, U. and Walter, A. and Scharr, H.},
title = {{S}patio-temporal quantification of differential growth
processes in root growth zones based on a novel combination
of image sequence processing and refined concepts describing
curvature production},
journal = {The new phytologist},
volume = {177},
issn = {0028-646X},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {PreJuSER-59278},
pages = {811 - 821},
year = {2008},
note = {Record converted from VDB: 12.11.2012},
abstract = {Differential growth processes in root and shoot growth
zones are governed by the transport kinetics of auxin and
other plant hormones. While gene expression and protein
localization of hormone transport facilitators are currently
being unraveled using state-of-the-art techniques of live
cell imaging, the quantitative analysis of growth reactions
is lagging behind because of a lack of suitable methods. A
noninvasive technique, based on digital image sequence
processing, for visualizing and quantifying highly resolved
spatio-temporal root growth processes was applied in the
model plant Arabidopsis thaliana and was adapted to provide
precise information on differential curvature production
activity within the root growth zone. Comparison of root
gravitropic curvature kinetics in wild-type and mutant
plants altered in a facilitator for auxin translocation
allowed the determination of differences in the location and
in the temporal response of curvature along the growth zone
between the investigated plant lines. The findings of the
quantitative growth analysis performed here confirm the
proposed action of the investigated transport facilitator.
The procedure developed here for the investigation of
differential growth processes is a valuable tool for
characterizing the phenomenology of a wide range of shoot
and root growth movements and hence facilitates elucidation
of their molecular characterization.},
keywords = {Arabidopsis: growth $\&$ development / Arabidopsis:
metabolism / Arabidopsis Proteins: metabolism /
Gravitropism: physiology / Image Interpretation,
Computer-Assisted / Indoleacetic Acids: metabolism / Plant
Roots: growth $\&$ development / Plant Roots: metabolism /
Arabidopsis Proteins (NLM Chemicals) / Indoleacetic Acids
(NLM Chemicals) / PIN3 protein, Arabidopsis (NLM Chemicals)
/ J (WoSType)},
cin = {ICG-3},
ddc = {580},
cid = {I:(DE-Juel1)ICG-3-20090406},
pnm = {Terrestrische Umwelt},
pid = {G:(DE-Juel1)FUEK407},
shelfmark = {Plant Sciences},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:18069960},
UT = {WOS:000252434200025},
doi = {10.1111/j.1469-8137.2007.02299.x},
url = {https://juser.fz-juelich.de/record/59278},
}