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Application of Cadaverine to Inhibit Biotin Biosynthesis in Plants

Authors: Nicole M. Gibbs, Shih-Heng Su and Patrick H. Masson, date: 04/20/2022, view: 401, Q&A: 0

[Abstract]

Biotin is an essential vitamin in plants. However, characterization of biotin deficiency has been limited by embryo lethality in mutants, which can only be rescued by supplementation of biotin. Here, we describe a protocol to characterize biotin deficiency in Arabidopsis thaliana through application of the polyamine cadaverine. Cadaverine

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Non-invasive Imaging of Rice Roots in Non-compacted and Compacted Soil

Authors: Bipin K. Pandey, Jonathan A. Atkinson and Craig J. Sturrock, date: 12/20/2021, view: 1765, Q&A: 0

[Abstract]

Roots are the prime organ for nutrient and water uptake and are therefore fundamental to the growth and development of plants. However, physical challenges of a heterogeneous environment and diverse edaphic stresses affect root growth in soil. Compacted soil is a serious global problem, causing inhibition of root elongation, which reduces surface

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Tracking Root Interactions System (TRIS) Experiment and Quality Control

Authors: Hassan Massalha, Elisa Korenblum, Orr H. Shapiro and Asaph Aharoni, date: 04/20/2019, view: 5125, Q&A: 0

[Abstract] Soil organisms are diverse taxonomically and functionally. This ecosystem experiences highly complex networks of interactions, but may also present functionally independent entities. Plant roots, a metabolically active hotspot in the soil, take an essential part in shaping the rhizosphere. Tracking the dynamics of root-microbe interactions at high ...

Fabrication and Use of the Dual-Flow-RootChip for the Imaging of Arabidopsis Roots in Asymmetric Microenvironments

Authors: Claire E. Stanley, Jagriti Shrivastava, Rik Brugman, Elisa Heinzelmann, Viktoria Frajs, Andreas Bühler, Dirk van Swaay and Guido Grossmann, date: 09/20/2018, view: 7026, Q&A: 0

[Abstract] This protocol provides a detailed description of how to fabricate and use the dual-flow-RootChip (dfRootChip), a novel microfluidic platform for investigating root nutrition, root-microbe interactions and signaling and development in controlled asymmetric conditions. The dfRootChip was developed primarily to investigate how plants roots interact ...

Electron Tomography to Study the Three-dimensional Structure of Plasmodesmata in Plant Tissues–from High Pressure Freezing Preparation to Ultrathin Section Collection

Authors: William J. Nicolas, Emmanuelle Bayer and Lysiane Brocard, date: 01/05/2018, view: 7789, Q&A: 0

[Abstract] Plasmodesmata (PD) are nanometric (~20 nm wide) membrane lined pores encased in the cell walls of the adjacent plant cells. They allow the cells to exchange all types of molecules ranging from nutrients like sugar, hormones, to RNAs and various proteins. Unfortunately, they are also hijacked by phyto-viruses, enabling them to spread from ...

Assessing Plant Tolerance to Acute Heat Stress

Authors: Minsoo Kim, Fionn McLoughlin, Eman Basha and Elizabeth Vierling, date: 07/20/2017, view: 10171, Q&A: 1

[Abstract] It is well-established that plants are able to acclimate to temperatures above or below the optimal temperature for their growth. Here, we provide protocols for assays that can be used quantitatively or qualitatively to assess the relative ability of plants to acquire tolerance to high temperature stress. The hypocotyl elongation assay described ...

Automated Tracking of Root for Confocal Time-lapse Imaging of Cellular Processes

Authors: Mehdi Doumane, Claire Lionnet, Vincent Bayle, Yvon Jaillais and Marie-Cécile Caillaud, date: 04/20/2017, view: 9375, Q&A: 0

[Abstract] Here we describe a protocol that enables to automatically perform time-lapse imaging of growing root tips for several hours. Plants roots expressing fluorescent proteins or stained with dyes are imaged while they grow using automatic movement of the microscope stage that compensates for root growth and allows to follow a given region of the root ...

Automatic Quantification of the Number of Intracellular Compartments in Arabidopsis thaliana Root Cells

Authors: Vincent Bayle, Matthieu Pierre Platre and Yvon Jaillais, date: 02/20/2017, view: 11248, Q&A: 0

[Abstract] In the era of quantitative biology, it is increasingly required to quantify confocal microscopy images. If possible, quantification should be performed in an automatic way, in order to avoid bias from the experimenter, to allow the quantification of a large number of samples, and to increase reproducibility between laboratories. In this protocol, ...

Real-time Analysis of Lateral Root Organogenesis in Arabidopsis

Authors: Peter Marhavý and Eva Benková, date: 04/20/2015, view: 8638, Q&A: 0

[Abstract] Plants maintain capacity to form new organs such as leaves, flowers, lateral shoots and roots throughout their postembryonic lifetime. Lateral roots (LRs) originate from a few pericycle cells that acquire attributes of founder cells (FCs), undergo series of anticlinal divisions, and give rise to a few short initial cells. After initiation, ...

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