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    Detection of Protein S-nitrosothiols (SNOs) in Plant Samples on Diaminofluorescein (DAF) Gels
    Authors:  Marta Rodríguez-Ruiz, Paulo T. Mioto, José M. Palma and Francisco J. Corpas , date: 09/20/2017, view: 1505, Q&A: 0
    [Abstract] In plant cells, the analysis of protein S-nitrosothiols (SNOs) under physiological and adverse stress conditions is essential to understand the mechanisms of Nitric oxide (NO)-based signaling. We adapted a previously reported protocol for detecting protein SNOs in animal systems (King et al., 2005) for plant samples. Briefly, ...
    Metabolite Profiling of Mature Arabidopsis thaliana Seeds Using Gas Chromatography-Mass Spectrometry (GC-MS)
    Authors:  Hagai Cohen, Ifat Matityahu and Rachel Amir, date: 11/05/2016, view: 3763, Q&A: 0
    [Abstract] Metabolite profiling using gas chromatography-mass spectrometry (GC-MS) permits the annotation and quantification of a relatively wide variety of metabolites, covering a wide range of biochemical groups of metabolites. Lisec et al. (2006) established a method for GC-MS profiling in plants. Based on this protocol, we provide here a ...
    Vanillin Assay of Arabidopsis Seeds for Proanthocyanidins
    Authors:  Lijie Xuan, Zhong Wang and Lixi Jiang, date: 12/05/2014, view: 4144, Q&A: 0
    [Abstract] Proanthocyanidins (PAs) are colorless flavonoid polymers and deposit in Arabidopsis seed coat specifically. Oxidation of PAs gives rise to brown color of mature seeds. PA accumulation can be affected by a number of growth conditions, such as temperature and sun light. PAs, which are converted from anthocyanidins, can protect seeds from ...
    Seed Coat Ruthenium Red Staining Assay
    Authors:  Heather E. McFarlane, Delphine Gendre and Tamara L. Western, date: 04/05/2014, view: 8910, Q&A: 0
    [Abstract] The goal of this protocol is to assay for defects in synthesis/secretion/release of seed coat mucilage by ruthenium red staining of mature whole seeds.

    The mucilage secretory cells of the Arabidopsis seed coat synthesize and secrete a large quantity of primarily pectinaceous mucilage to a ring-shaped apical domain during their ...