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Ultrastructure and optics of the prism-like petal epidermal cells of Eschscholzia californica (California poppy).
Bodo D Wilts, Paula J Rudall, Edwige Moyroud, Tom Gregory, Yu Ogawa, Silvia Vignolini, Ullrich Steiner, Beverley J Glover
Aug 07, 2018
The petals of Eschscholzia californica (California poppy) are robust, pliable and typically coloured intensely orange or yellow owing to the presence of carotenoid pigments; they are also highly reflective at certain angles...
Pectin homogalacturonan nanofilament expansion drives morphogenesis in plant epidermal cells.
The process by which plant cells expand and gain shape has presented a challenge for researchers. Current models propose that these processes are driven by turgor pressure acting on the cell wall. Using nanoimaging, we show that...
Auxin transport through non-hair cells sustains root-hair development.
Angharad R Jones, Eric M Kramer, Kirsten Knox, Ranjan Swarup, Malcolm J Bennett, Colin M Lazarus, HM Ottoline Leyser, Claire S Grierson
Apr 23, 2021
The plant hormone auxin controls root epidermal cell development in a concentration-dependent manner. Root hairs are produced on a subset of epidermal cells as they increase in distance from the root tip. Auxin is required for...
Three ancient hormonal cues co-ordinate shoot branching in a moss.
Yoan Coudert, Wojtek Palubicki, Karin Ljung, Ondrej Novak, Ottoline Leyser, C Jill Harrison
Jun 26, 2015
Physcomitrella apical dominance branching developmental biology gametophyte plant biology Stem Cells Biological Transport Body Patterning Bryopsida Cytokinins Gene Expression Regulation Plant Indoleacetic Acids Lactones Models Biological Morphogenesis Mutation Plant Epidermis Plant Growth Regulators Plant Proteins Plant Shoots Plants Genetically Modified
Of puzzles and pavements
Róza V Vőfély, Joseph Gallagher, Grace D Pisano, Madelaine Bartlett, Siobhan A Braybrook
Nov 19, 2018
Epidermal cells of leaves are diverse: tabular pavement cells, trichomes, and stomatal complexes. Pavement cells from the monocot Zea mays (maize) and the eudicot Arabidopsis thaliana (Arabidopsis) have highly undulate...
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...
Glycerol-3-phosphate acyltransferase 6 controls filamentous pathogen interactions and cell wall properties of the tomato and Nicotiana benthamiana leaf epidermis.
Stuart Fawke, Thomas A Torode, Anna Gogleva, Eric A Fich, Iben Sørensen, Temur Yunusov, Jocelyn KC Rose, Sebastian Schornack
Apr 15, 2019
Nicotiana benthamiana Phytophthora Solanum lycopersicum Cell Wall cuticle haustoria Oomycetes stomata Acyltransferases Botrytis Cell Wall Disease Resistance Gene Expression Regulation Plant Solanum lycopersicum Phytophthora Plant Diseases Plant Epidermis Plant Leaves Plant Proteins Plant Stomata RNA Messenger Tobacco Transcriptome
The mirror crack'd
S Vignolini, MP Davey, RM Bateman, PJ Rudall, E Moyroud, J Tratt, S Malmgren, U Steiner, BJ Glover
Aug 08, 2017
The Mediterranean orchid genus Ophrys is remarkable for its pseudocopulatory pollination mechanism; naïve male pollinators are attracted to the flowers by olfactory, visual and tactile cues. The most striking visual cue is a...