Plant Science

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    Protocols in Current Issue
    Age, Wound Size and Position of Injury – Dependent Vascular Regeneration Assay in Growing Leaves

    Recurring damage to the aerial organs of plants necessitates their prompt repair, particularly their vasculature. While vascular regeneration assays for aerial plant parts such as the stem and inflorescence stalk are well established, those for leaf

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    Histological Methods to Detect Early-stage Plant Defense Responses during Artificial Inoculation of Lolium perenne with Epichloë festucae
    Authors:  Mostafa Rahnama, Damien J. Fleetwood and Richard D. Johnson, date: 05/05/2021, view: 184, Q&A: 0

    Epichloë species form agriculturally important symbioses with many cool season grasses. To study these symbioses, such as the interaction of Epichloë festucae with perennial ryegrass (Lolium perenne), host plants can be infected by

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    Characterising Plant Deubiquitinases with in vitro Activity-based Labelling and Ubiquitin Chain Disassembly Assays
    Authors:  Michael J. Skelly and Steven H. Spoel, date: 05/05/2021, view: 249, Q&A: 0

    Post-translational modification of proteins by ubiquitin is an essential cellular signaling mechanism in all eukaryotes. Ubiquitin is removed from target proteins by a wide range of deubiquitinase (DUB) enzymes with different activities and

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    Age, Wound Size and Position of Injury – Dependent Vascular Regeneration Assay in Growing Leaves
    [Abstract]

    Recurring damage to the aerial organs of plants necessitates their prompt repair, particularly their vasculature. While vascular regeneration assays for aerial plant parts such as the stem and inflorescence stalk are well established, those for leaf vasculature remain unexplored. Recently, we established a new vascular regeneration assay in

    ...
    Histological Methods to Detect Early-stage Plant Defense Responses during Artificial Inoculation of Lolium perenne with Epichloë festucae
    Authors:  Mostafa Rahnama, Damien J. Fleetwood and Richard D. Johnson, date: 05/05/2021, view: 184, Q&A: 0
    [Abstract]

    Epichloë species form agriculturally important symbioses with many cool season grasses. To study these symbioses, such as the interaction of Epichloë festucae with perennial ryegrass (Lolium perenne), host plants can be infected by artificial inoculation of etiolated seedlings. This inoculation is performed by placing mycelium into an

    ...
    Characterising Plant Deubiquitinases with in vitro Activity-based Labelling and Ubiquitin Chain Disassembly Assays
    Authors:  Michael J. Skelly and Steven H. Spoel, date: 05/05/2021, view: 249, Q&A: 0
    [Abstract]

    Post-translational modification of proteins by ubiquitin is an essential cellular signaling mechanism in all eukaryotes. Ubiquitin is removed from target proteins by a wide range of deubiquitinase (DUB) enzymes with different activities and substrate specificities. Understanding how DUBs function in vitro is a vital first step to uncovering their

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    In vitro Reconstitution Assays of Arabidopsis 20S Proteasome
    Authors:  Yanjun Li, Di Sun, Xingxing Yan, Zhiye Wang and Xiuren Zhang, date: 04/05/2021, view: 349, Q&A: 0
    [Abstract]

    The majority of cellular proteins are degraded by the 26S proteasome in eukaryotes. However, intrinsically disordered proteins (IDPs), which contain large portions of unstructured regions and are inherently unstable, are degraded via the ubiquitin-independent 20S proteasome. Emerging evidence indicates that plant IDP homeostasis may also be

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    Atomic Force Microscopy to Characterize Ginger Lipid-Derived Nanoparticles (GLDNP)
    Authors:  Dingpei Long, Chunhua Yang, Junsik Sung and Didier Merlin, date: 04/05/2021, view: 339, Q&A: 0
    [Abstract]

    We have demonstrated that a specific population of ginger-derived nanoparticles (GDNP-2) could effectively target the colon, reduce colitis, and alleviate colitis-associated colon cancer. Naturally occurring GDNP-2 contains complex bioactive components, including lipids, proteins, miRNAs, and ginger secondary metabolites (gingerols and shogaols).

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    A Novel Method to Construct Binary CRISPR Vectors for Plant Transformation by Single Round of PCR Amplification
    Authors:  Kang Li, Yuhui Wang and Chuanying Fang, date: 04/05/2021, view: 573, Q&A: 0
    [Abstract]

    CRISPR/Cas9 is an established and flexible tool for genome editing. However, most methods used to generate expression clones for the CRISPR/Cas9 are time-consuming. Hence, we have developed a one-step protocol to introduce sgRNA expression cassette(s) directly into binary vectors (Liu et al., 2020). In this approach, we have optimized the

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    Measurements of Root Colonized Bacteria Species
    Authors:  Vílchez Juan Ignacio, Yu Yang, Dian Yi and Huiming Zhang, date: 04/05/2021, view: 626, Q&A: 0
    [Abstract]

    Root-associated bacteria are able to influence plant fitness and vigor. A key step in understanding the belowground plant-bacteria interactions is to quantify root colonization by the bacteria of interest. Probably, genetic engineering with fluorescence markers is the most powerful way to monitor bacterial strains in plant. However, this could

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    A Spectrofluorophotometrical Method Based on Fura-2-AM Probe to Determine Cytosolic Ca2+ Level in Pseudomonas syringae Complex Bacterial Cells
    [Abstract]

    Calcium signaling is an emerging mechanism by which bacteria respond to environmental cues. To measure the intracellular free-calcium concentration in bacterial cells, [Ca2+]i, a simple spectrofluorometric method based on the chemical probe Fura 2-acetoxy methyl ester (Fura 2-AM) is here presented using Pseudomonad bacterial cells. This is an

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    Monitoring Real-time Temperature Dynamics of a Short RNA Hairpin Using Förster Resonance Energy Transfer and Circular Dichroism
    Authors:  Martin Balcerowicz, Marco Di Antonio and Betty Y. W. Chung, date: 03/20/2021, view: 1182, Q&A: 0
    [Abstract]

    RNA secondary structures are highly dynamic and subject to prompt changes in response to the environment. Temperature in particular has a strong impact on RNA structural conformation, and temperature-sensitive RNA hairpin structures have been exploited by multiple organisms to modify the rate of translation in response to temperature changes.

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    Chromatographic Analysis for Targeted Metabolomics of Antioxidant and Flavor-Related Metabolites in Tomato
    Authors:  Nergiz Gürbüz Çolak, Neslihan Tek Eken, Anne Frary and Sami Doğanlar, date: 03/05/2021, view: 923, Q&A: 0
    [Abstract]

    Targeted metabolomics is a useful approach to evaluate crop breeding studies. Antioxidant and flavor-related traits are of increasing interest and are considered quality traits in tomato breeding. The present study presents chromatographic methods to study antioxidants (carotenoids, vitamin C, vitamin E, phenolic compounds, and glutathione) and

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