Plant Science

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    Protocols in Current Issue
    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: 735, 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 ...
    A Protocol for Flavonols, Kaempferol and Quercetin, Staining in Plant Root Tips
    Author:  Nguyen Hoai Nguyen, date: 10/05/2020, view: 586, Q&A: 0
    [Abstract] Flavonols are a subclass of flavonoids of the group of plant secondary metabolites. In planta, flavonols play various functions such as antioxidant and natural regulator of auxin polar transport. Many lines of evidence have shown that flavonols also contribute to human health in anti-oxidation, anti-inflammation, and even prevention some ...
    The ATPase Activity of Escherichia coli Expressed AAA+-ATPase Protein
    Authors:  Amita Kaundal, Vemanna S. Ramu and Kirankumar S. Mysore, date: 08/05/2020, view: 931, Q&A: 0
    [Abstract] ATPases are the enzymes that breakdown ATP to ADP and release inorganic phosphate (Pi). Here we provide a detailed protocol to determine the ATPase activity of a recombinant AAA+-ATPase protein (GENERAL CONTROL NON-REPRESSIBLE-4 [GCN4]) by spectrophotometric absorption at 360 nm to measure the accumulated inorganic phosphate. In ...
    Determination of Ureides Content in Plant Tissues
    Author:  Ignacio Lescano, date: 06/05/2020, view: 1102, Q&A: 0
    [Abstract] The ureides allantoin and allantoate are the main organic nitrogen compounds transported in several legumes, predominantly from N2 fixation. Moreover, recent studies point out a remarkable role for allantoin during several stress responses of plants other than legumes. The goal of this protocol is to determine ureides concentration in ...
    Purification of Protein-complexes from the Cyanobacterium Synechocystis sp. PCC 6803 Using FLAG-affinity Chromatography
    Authors:  Minna M. Koskela, Petra Skotnicová, Éva Kiss and Roman Sobotka, date: 05/20/2020, view: 1372, Q&A: 0
    [Abstract] Exploring the structure and function of protein complexes requires their isolation in the native state–a task that is made challenging when studying labile and/or low abundant complexes. The difficulties in preparing membrane-protein complexes are especially notorious. The cyanobacterium Synechocystis sp. PCC 6803 is a widely used model ...
    MAMP-triggered Medium Alkalinization of Plant Cell Cultures
    [Abstract] Plants recognize a wide variety of microbial molecules to detect and respond to potential invaders. Recognition of Microbe-Associated Molecular Patterns (MAMPs) by cell surface receptors initiate a cascade of biochemical responses that include, among others, ion fluxes across the plasma membrane. A consequence of such event is a decrease in the ...
    Single-run HPLC Quantification of Plant Cell Wall Monosaccharides
    [Abstract] The plant cell wall is a complex network of polysaccharides and proteins that provides strength and structural integrity to plant cells, as well as playing a vital role in growth, development, and defense response. Cell wall polysaccharides can be broadly grouped into three categories: cellulose, pectins, and hemicelluloses. Dynamic interactions ...
    Measurement of Chloroplastic NAD Kinase Activity and Whole Tissue NAD Kinase Assay
    Authors:  Yuuma Ishikawa, Maki Kawai-Yamada and Shin-nosuke Hashida, date: 01/05/2020, view: 1806, Q&A: 0
    [Abstract] Nicotinamide adenine dinucleotide phosphate (NADP) synthesis requires nicotinamide adenine dinucleotide (NAD) kinase activity, substrate NAD and ATP. The NAD kinase responds to various environmental stimuli and its activity is regulated via various regulatory pathways, such as Ca2+-dependent and redox-dependent signals. Conventional in ...
    Non-aqueous Fractionation (NAF) for Metabolite Analysis in Subcellular Compartments of Arabidopsis Leaf Tissues
    [Abstract] The accurate determination of metabolite distribution in subcellular compartments is still challenging in plant science. Various methodologies, such as fluorescence resonance energy transfer-based technology, nuclear magnetic resonance spectroscopy and protoplast fractionation allow the study of metabolite compartmentation. However, large changes ...
    Simple Method to Determine Protein Redox State in Arabidopsis thaliana
    Authors:  Keisuke Yoshida and Toru Hisabori, date: 06/05/2019, view: 3149, Q&A: 0
    [Abstract] Thiol-based redox regulation is a posttranslational protein modification that plays a key role in many biological aspects. To understand its regulatory functions, we need a method to directly assess protein redox state in vivo. Here we present a simple procedure to determine protein redox state in a model plant Arabidopsis thaliana ...



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