Plant Science

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    Protocols in Current Issue
    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: 217, 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: 200, 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: 426, 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: 288, 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: 1042, 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: 811, 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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    Phytophthora infestans (Late blight) Infection Assay in a Detached Leaf of Potato
    Authors:  Hari S. Karki and Dennis A. Halterman, date: 02/20/2021, view: 1134, Q&A: 0
    [Abstract]

    Phytophthora infestans is a hemibiotroph oomycete that primarily infects potato and tomato. It infects stems, leaves, and tubers and fruits of potato and tomato. High throughput and reproducible infection assays are prerequisites to find sources of resistance in any crop. In this protocol, we describe a detached leaf assay (DLA) for conducting the

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    Using 14C-acetate Pulse-chase Labeling to Study Fatty Acid and Glycerolipid Metabolism in Plant Leaves
    Authors:  Linhui Yu, Chao Zhou, Jilian Fan and Changcheng Xu, date: 02/05/2021, view: 473, Q&A: 0
    [Abstract]

    Lipids metabolism is comprised of networks of reactions occurred in different subcellular compartments. Isotopic labeling is a good way to track the transformations and movements of metabolites without perturbing overall cellular metabolism. Fatty acids, the building blocks of membrane lipids and storage triacylglycerols, are synthesized in

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    Histochemical Staining of Suberin in Plant Roots
    Authors:  Peter Marhavý and Shahid Siddique, date: 02/05/2021, view: 797, Q&A: 0
    [Abstract]

    Histological stains are useful tools for characterizing cell shape, arrangement and the material they are made from. Stains can be used individually or simultaneously to mark different cell structures or polymers within the same cells, and to visualize them in different colors. Histological stains can be combined with genetically-encoded

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