Plant Science

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    Protocols in Current Issue
    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: 336, 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

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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: 381, 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: 447, 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: 490, 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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    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: 1048, 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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    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: 627, 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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    Non-radioactive Assay to Determine Product Profile of Short-chain Isoprenyl Diphosphate Synthases
    Authors:  Avanish Rai and Dinesh A. Nagegowda, date: 01/05/2021, view: 844, Q&A: 0
    [Abstract] Isoprenoids represent the largest class of metabolites with amazing diversities in structure and function. They are involved in protecting plants against pathogens or herbivores or involved in attracting pollinators. Isoprenoids are derived from geranyl diphosphate (GPP; C10), farnesyl diphosphate (FPP; C15), geranylgeranyl ...
    Analysis of Isotopically-labeled Monogalactosyldiacylglycerol Molecular Species from [14C]Acetate-Labeled Tobacco Leaves
    Authors:  Hari Kiran Kotapati and Philip D. Bates, date: 12/20/2020, view: 804, Q&A: 0
    [Abstract]

    Plant lipid metabolism is a dynamic network where synthesis of essential membrane lipids overlaps with synthesis of valuable storage lipids (e.g., vegetable oils). Monogalactosyldiacylglycerol (MGDG) is a key component of the chloroplast membrane system required for photosynthesis and is produced by multiple pathways within the lipid metabolic

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    Pipecolic Acid Quantification Using Gas Chromatography-coupled Mass Spectrometry
    Authors:  Keshun Yu, Huazhen Liu and Pradeep Kachroo, date: 12/05/2020, view: 1175, Q&A: 0
    [Abstract]

    Pipecolic acid (Pip), a non-proteinacious product of lysine catabolism, is an important regulator of immunity in plants and humans alike. For instance, Pip accumulation is associated with the genetic disorder Zellweger syndrome, chronic liver diseases, and pyridoxine-dependent epilepsy in humans. In plants, Pip accumulates upon pathogen infection

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    Low-cost and High-throughput RNA-seq Library Preparation for Illumina Sequencing from Plant Tissue
    Authors:  Marta Bjornson, Kaisa Kajala, Cyril Zipfel and Pingtao Ding, date: 10/20/2020, view: 1991, Q&A: 0
    [Abstract] Transcriptome analysis can provide clues to biological processes affected in different genetic backgrounds or/and under various conditions. The price of RNA sequencing (RNA-seq) has decreased enough so that medium- to large-scale transcriptome analyses in a range of conditions are feasible. However, the price and variety of options for library ...



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