Border cell release: cell separation without cell wall degradation?
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Border cell release : cell separation without cell wall degradation? / Mravec, Jozef.
In: Plant Signalling & Behavior, Vol. 12, No. 7, e1343778, 2017.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Border cell release
T2 - cell separation without cell wall degradation?
AU - Mravec, Jozef
N1 - Article Addendum
PY - 2017
Y1 - 2017
N2 - Plant border cells are specialised cells derived from the root cap with roles in the biomechanics of root growth and in forming a barrier against pathogens. The mechanism of highly localised cell separation which is essential for their release to the environment is little understood. Here I present in situ analysis of Brachypodium distachyon, a model organism for grasses which possess type II primary cell walls poor in pectin content. Results suggest similarity in spatial dynamics of pectic homogalacturonan during dicot and monocot border cell release. Integration of observations from different species leads to the hypothesis that this process most likely does not involve degradation of cell wall material but rather employs unique cell wall structural and compositional means enabling both the rigidity of the root cap as well as detachability of given cells on its surface.
AB - Plant border cells are specialised cells derived from the root cap with roles in the biomechanics of root growth and in forming a barrier against pathogens. The mechanism of highly localised cell separation which is essential for their release to the environment is little understood. Here I present in situ analysis of Brachypodium distachyon, a model organism for grasses which possess type II primary cell walls poor in pectin content. Results suggest similarity in spatial dynamics of pectic homogalacturonan during dicot and monocot border cell release. Integration of observations from different species leads to the hypothesis that this process most likely does not involve degradation of cell wall material but rather employs unique cell wall structural and compositional means enabling both the rigidity of the root cap as well as detachability of given cells on its surface.
KW - Journal Article
U2 - 10.1080/15592324.2017.1343778
DO - 10.1080/15592324.2017.1343778
M3 - Journal article
C2 - 28644067
VL - 12
JO - Plant Signalling & Behavior
JF - Plant Signalling & Behavior
SN - 1559-2316
IS - 7
M1 - e1343778
ER -
ID: 179884810