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Quantitative analysis of auxin sensing in leaf primordia argues against proposed role in regulating leaf dorsoventrality.
Dorsoventrality in leaves has been shown to depend on the pre-patterned expression of KANADI and HD-ZIPIII genes within the plant shoot apical meristem (SAM). However, it has also been proposed that asymmetric auxin levels...
A. thaliana Auxin developmental biology dorsal Leaf plant plant biology polarity ventral Arabidopsis Arabidopsis Proteins Cell Nucleus Gene Expression Regulation Plant Green Fluorescent Proteins Homeodomain Proteins Indoleacetic Acids Meristem Microscopy Confocal Mutation Plant Leaves Plant Shoots Transcription Factors Transgenes
KATANIN-dependent mechanical properties of the stigmatic cell wall mediate the pollen tube path in Arabidopsis.
Lucie Riglet, Frédérique Rozier, Chie Kodera, Simone Bovio, Julien Sechet, Isabelle Fobis-Loisy, Thierry Gaude
Oct 19, 2020
Successful fertilization in angiosperms depends on the proper trajectory of pollen tubes through the pistil tissues to reach the ovules. Pollen tubes first grow within the cell wall of the papilla cells, applying pressure to the...
Fluctuations of the transcription factor ATML1 generate the pattern of giant cells in the $\textit{Arabidopsis}$ sepal
HM Meyer, J Teles, P Formosa-Jordan, Y Refahi, R San-Bento, G Ingram, H Jönsson, JCW Locke, AHK Roeder
Apr 25, 2017
An ABA-GA bistable switch can account for natural variation in the variability of Arabidopsis seed germination time
Katie Abley, Pau Formosa-Jordan, Hugo Tavares, Emily YT Chan, Mana Afsharinafar, Ottoline Leyser, James CW Locke
Jun 04, 2021
Genetically identical plants growing in the same conditions can display heterogeneous phenotypes. Here we use Arabidopsis seed germination time as a model system to examine phenotypic variability and its underlying mechanisms....
Cell type boundaries organize plant development
Monica Pia Caggiano, Xiulian Yu, Neha Bhatia, Andre Larsson, Hasthi Ram, Carolyn K Ohno, Pia Sappl, Elliot M Meyerowitz, Henrik Jönsson, Marcus G Heisler
Jan 15, 2018
An ABA-GA bistable switch can account for natural variation in the variability of Arabidopsis seed germination time.
Katie Abley, Pau Formosa-Jordan, Hugo Tavares, Emily YT Chan, Mana Afsharinafar, Ottoline Leyser, James CW Locke
Jul 05, 2021
Genetically identical plants growing in the same conditions can display heterogeneous phenotypes. Here we use Arabidopsis seed germination time as a model system to examine phenotypic variability and its underlying mechanisms....
germination variability ABA GA Systems Biology Computational Biology quantitative genetics plant biology Mathematical modelling A. thaliana
Published by: eLife
Anisotropic growth is achieved through the additive mechanical effect of material anisotropy and elastic asymmetry.
Firas Bou Daher, Yuanjie Chen, Behruz Bozorg, Jack Clough, Henrik Jönsson, Siobhan A Braybrook
Nov 22, 2018
Fast directional growth is a necessity for the young seedling; after germination, it needs to quickly penetrate the soil to begin its autotrophic life. In most dicot plants, this rapid escape is due to the anisotropic elongation...
Coordination of robust single cell rhythms in the Arabidopsis circadian clock via spatial waves of gene expression.
Peter D Gould, Mirela Domijan, Mark Greenwood, Isao T Tokuda, Hannah Rees, Laszlo Kozma-Bognar, Anthony Jw Hall, James CW Locke
Sep 05, 2018
The Arabidopsis circadian clock orchestrates gene regulation across the day/night cycle. Although a multiple feedback loop circuit has been shown to generate the 24-hr rhythm, it remains unclear how robust the clock is in...