Asymmetric distribution of cytokinins determines root hydrotropism in Arabidopsis thaliana
نویسندگان
چکیده
منابع مشابه
Cytokinins regulate vascular morphogenesis in the Arabidopsis thaliana root
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متن کاملN-glucosylation of cytokinins by glycosyltransferases of Arabidopsis thaliana.
Cytokinins are plant hormones that can be glucosylated to form O-glucosides and N-glucosides. The glycoconjugates are inactive and are thought to play a role in homeostasis of the hormones. Although O-glucosyltransferases have been identified that recognize cytokinins, the enzymes involved in N-glucosylation have not been identified even though the process has been recognized for many years. Th...
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We study the factors that affect the root hair growth in the Arabidopsis thaliana plant. From experimental data, we measure how the average velocities of growth and tip shapes of the root hairs are affected by pressure and nutrients. Then using a biomechanical model, we can compute the physical parameters of the root hair and aim to correlate our model with experiments by using image processing...
متن کاملCytokinins Determine Arabidopsis Root-Meristem Size by Controlling Cell Differentiation
Plant postembryonic development takes place in the meristems, where stem cells self-renew and produce daughter cells that differentiate and give rise to different organ structures. For the maintenance of meristems, the rate of differentiation of daughter cells must equal the generation of new cells: How this is achieved is a central question in plant development. In the Arabidopsis root meriste...
متن کاملMIZ1-regulated hydrotropism functions in the growth and survival of Arabidopsis thaliana under natural conditions.
BACKGROUND AND AIMS Root hydrotropism is a response to water-potential gradients that makes roots bend towards areas of higher water potential. The gene MIZU-KUSSEI1 (MIZ1) that is essential for hydrotropism in Arabidopsis roots has previously been identified. However, the role of root hydrotropism in plant growth and survival under natural conditions has not yet been proven. This study assesse...
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ژورنال
عنوان ژورنال: Cell Research
سال: 2019
ISSN: 1001-0602,1748-7838
DOI: 10.1038/s41422-019-0239-3