Plant Science


    Protocols in Current Issue
    Tandem Purification of His6-3x FLAG Tagged Proteins for Mass Spectrometry from Arabidopsis
    Authors:  He Huang and Dmitri Anton Nusinow, date: 12/05/2016, view: 11035, Q&A: 0
    [Abstract] Tandem affinity purification is a powerful method to identify protein complexes that function in association with a known gene of interest. This protocol describes a methodology to capture proteins tagged with His6-3x FLAG explicitly for the purpose of on-bead digestion and identification by mass spectrometry. The high sensitivity and ...
    Indirect Immunofluorescence Assay in Chlamydomonas reinhardtii
    Authors:  Takashi Yamano and Hideya Fukuzawa, date: 07/05/2016, view: 10898, Q&A: 0
    [Abstract] Determining the protein localization is essential to elucidate its in vivo function. Fluorescence-tagged proteins are widely used for it, but it is sometimes difficult to express tagged proteins in Chlamydomonas. Alternatively, indirect immunofluorescence assay is also one of the widely used methods and many reports determining ...
    A Phosphopeptide Purification Protocol for the Moss Physcomitrella paten
    Authors:  Xiaoqin Wang and Yikun He, date: 07/20/2015, view: 8396, Q&A: 0
    [Abstract] Protein phosphorylation is one of the most common post-translational modifications in eukaryotic cells and plays a critical role in a vast array of cellular processes. Efficient methods of protein extraction and phosphopeptide purification are required to ensure the detection of high quality of proteins. In our hands, phenol extraction of proteins ...
    In organello Protein Synthesis
    Authors:  Malgorzata Kwasniak-Owczarek and Hanna Janska, date: 06/20/2014, view: 11979, Q&A: 2
    [Abstract] In organello protein synthesis method allows the analysis of mitochondrial translation products. The principle of this method relies on incubation of isolated intact mitochondria with radiolabeled amino acids such as 35S methionine. After protein synthesis, the radiolabeled translation products are subsequently separated by SDS ...
    35S pulse Labelling of Chlamydomonas Chloroplast Proteins
    Authors:  Alexandra-Viola Bohne, Christian Schwarz and Joerg Nickelsen, date: 06/05/2013, view: 9214, Q&A: 0
    [Abstract] 35S pulse labelling of proteins is used to attach a radioactive label to newly synthesized proteins, as sulfur is an element that is mainly present in proteins (Fleischmann and Rochaix 1999). Depending on your organism’s uptake mechanisms you need cysteine, methionine or sulfuric acid as a source of radioactive sulfur. This example uses ...

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