Plant Science

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    Protocols in Current Issue
    Spatiotemporal Quantification of Cytosolic pH in Arabidopsis Pollen Tubes
    Authors:  Maria Teresa Portes, Daniel S.C. Damineli and José A. Feijó, date: 07/20/2021, view: 483, Q&A: 0
    [Abstract]

    Ion-specific probes and fluorescent indicators have been key in establishing the role of ion signaling, namely calcium, protons, and anions, in plant development, providing a robust approach for monitoring spatiotemporal changes in intracellular ion dynamics. The integration of protons/pH in signaling mechanisms is especially important as reports

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    Rice Root Hair Phenotypes Imaged by Cryo-SEM
    [Abstract]

    Cryo-scanning electron microscopy (cryo-SEM) was first introduced for scientific use in the 1980s. Since then, cryo-SEM has become a routine technique for studying the surfaces and internal structures of biological samples with a high water content. In contrast to traditional SEM, cryo-SEM requires no sample pretreatment processes; thus, we can

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    Measuring Extracellular Proton and Anionic Fluxes in Arabidopsis Pollen Tubes
    Authors:  Maria Teresa Portes and José A. Feijó, date: 02/05/2021, view: 2043, Q&A: 0
    [Abstract]

    The ion-selective vibrating probe has been used to detect and quantify the magnitude and direction of transmembrane fluxes of several ions in a wide range of biological systems. Inherently non-invasive, vibrating probes have been essential to access relevant electrophysiological parameters related to apical growth and morphogenesis in pollen

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    A Pulse–chase EdU Method for Detection of Cell Division Orientation in Arabidopsis and Juncus prismatocarpus Leaf Primordia
    Authors:  Xiaofeng Yin and Hirokazu Tsukaya, date: 01/05/2021, view: 1111, Q&A: 0
    [Abstract] In plants, the morphological diversity of leaves is largely determined by cell division, especially cell division orientation. Whereas cell division itself is easily monitored, the detection and quantification of cell division orientation are difficult. The few existing methods for detection and quantification of cell division orientation are ...
    Gene Expression and Genome Editing Systems by Direct Delivery of Macromolecules Into Rice Egg Cells and Zygotes
    Authors:  Erika Toda and Takashi Okamoto, date: 07/20/2020, view: 1559, Q&A: 0
    [Abstract] Polyethylene glycol calcium (PEG-Ca2+)-mediated transfection allows rapid and efficient examination to analyze diverse cellular functions of genes of interest. In plant cells, macromolecules, such as DNA, RNA and protein, are delivered into protoplasts derived from somatic tissues or calli via PEG-Ca2+ transfection. To ...
    Visualization of Plant Cell Wall Epitopes Using Immunogold Labeling for Electron Microscopy
    Author:  Mateusz Majda, date: 04/05/2019, view: 4227, Q&A: 0
    [Abstract] Plant cell walls consist of different polysaccharides and structural proteins, which form a rigid layer located outside of the plasma membrane. The wall is also a very dynamic cell composite, which is characterized by complex polysaccharide interactions and various modifications during cell development. The visualization of cell wall components in ...
    Live Confocal Imaging of Brachypodium Spikelet Meristems
    Author:  Devin Lee O'Connor, date: 09/20/2018, view: 4152, Q&A: 0
    [Abstract] Live confocal imaging of fluorescent reporters and stains in plant meristems provides valuable measurements of gene expression, protein dynamics, cell polarity, cell division, and growth. The spikelet meristem in the grass Brachypodium distachyon (Brachypodium) is well suited to live imaging because of the ease of dissection, small ...
    Fabrication and Use of the Dual-Flow-RootChip for the Imaging of Arabidopsis Roots in Asymmetric Microenvironments
    [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 ...
    Pollen Germination and Pollen Tube Growth of Arabidopsis thaliana: In vitro and Semi in vivo Methods
    Authors:  Hugh Dickinson, Josefina Rodriguez-Enriquez and Robert Grant-Downton , date: 08/20/2018, view: 11422, Q&A: 2
    [Abstract] Studies of pollen germination and post-germination development are not only essential for understanding plant reproduction but also are an excellent model system for tip-based growth. Here we describe easy, reproducible methods for germination and growth of pollen from the model plant Arabidopsis thaliana in artificial conditions. Our ...
    A Modified Approach for Axenic Cultivation of Spores of Fern Adiantum capillus-veneris L. with High Germination Rate
    Authors:  Yuan Ya-Ning, Yi Shu, Jin Wan-Ting and Fang Yu-Han, date: 07/05/2018, view: 3303, Q&A: 0
    [Abstract] Spores are the primary way of spread and reproduction for ferns, a clade of seed-free vascular plants. However, no detailed protocol for ferns spore cultivation has been reported yet. Here we provide a modified approach for axenic cultivation of fern Adiantum capillus-veneris L., based on Cao’s and Li’s method (Cao, et al., 2010; ...



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