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FASCICLIN-LIKE 18 is a new player regulating root elongation in Arabidopsis thaliana Institute of Tropical Medicine
The plasticity of root development represents a key trait that enables plants to adapt to diverse environmental cues. The pattern of cell wall deposition, alongside other parameters, affects the extent, and direction of root growth. In this study, we report that FASCICLIN-LIKE ARABINOGALACTAN PROTEIN 18 (FLA18) plays a role during root elongation in Arabidopsis thaliana. Using root-specific co-expression analysis, we identified FLA18 to be ...
The sensitivity of an hydroponic lettuce root elongation bioassay to metals, phenol and wastewaters Ghent University
Strigolactones affect lateral root formation and root-hair elongation in Arabidopsis Ghent University
Evaluation of an electrostatic toxicity model for predicting Ni(2+) toxicity to barley root elongation in hydroponic cultures and in soils Ghent University
Identification of genes involved in the ACC-mediated control of root cell elongation in **Arabidopsis thaliana** University of Antwerp
Background Along the root axis of Arabidopsis thaliana, cells pass through different developmental stages. In the apical meristem repeated cycles of division increase the numbers of cells. Upon leaving the meristem, these cells pass the transition zone where they are physiologically and mechanically prepared to undergo subsequent rapid elongation. During the process of elongation epidermal cells increase their length by 300% in a couple of ...
Shank-localized cell wall growth contributes to Arabidopsis root hair elongation University of Antwerp
Root hairs are highly elongated tubular extensions of root epidermal cells with a plethora of physiological functions, particularly in establishing the root–rhizosphere interface. Anisotropic expansion of root hairs is generally thought to be exclusively mediated by tip growth—a highly controlled apically localized secretion of cell wall material-enriched vesicles that drives the extension of the apical dome. Here we show that tip growth is not ...
The role of auxin-ethylene crosstalk in orchestrating primary root elongation in sugar beet KU Leuven
It is well-established in Arabidopsis and other species that ethylene inhibits root elongation through the action of auxin. In sugar beet (Beta vulgaris L.) ethylene promotes root elongation in a concentration dependent manner. However, the crosstalk between ethylene and auxin remains unknown during sugar beet seedling development. Our experiments have shown that exogenously applied auxin (indole-3-acetic acid; IAA) also stimulates root ...
Multi-omics analysis identifies genes mediating the extension of cell walls in the **Arabidopsis thaliana** root elongation zone University of Antwerp
Plant cell wall composition is important for regulating growth rates, especially in roots. However, neither analyses of cell wall composition nor transcriptomes on their own can comprehensively reveal which genes and processes are mediating growth and cell elongation rates. This study reveals the benefits of carrying out multiple analyses in combination. Sections of roots from five anatomically and functionally defined zones in Arabidopsis ...
Additive toxicity of zinc and arsenate on barley (Hordeum vulgare) root elongation KU Leuven
Zinc (Zn) and arsenic (As) are typically present as mixed contaminants in mining-impacted areas; however, their joined effects have rarely been evaluated. The present study was set up to test whether the Zn2+ and H2 AsO4- (hereafter, As) mixture toxicity to plants is additive or whether interactions occur. Barley (Hordeum vulgare) root elongation was measured in resin buffered nutrient solutions. The design included ranges of single-element ...