Biochemistry

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    Protocols in Current Issue
    Simple Method to Determine Protein Redox State in Arabidopsis thaliana
    Authors:  Keisuke Yoshida and Toru Hisabori, date: 06/05/2019, view: 1224, 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 ...
    Detection of Disulfides in Protein Extracts of Arabidopsis thaliana Using Monobromobimane (mBB)
    Authors:  Shin‐nosuke Hashida and Maki Kawai-Yamada, date: 03/05/2019, view: 1220, Q&A: 0
    [Abstract] Thiol-disulfide exchange is a key posttranslational modification, determining the folding process of intra- and inter-protein structures. Thiols can be detected by colorimetric reagents, which are stoichiometrically reduced by free thiols, and by fluorescent adducts, showing fluorescence only after thioester formation. We adapted a simple ...
    Quantification of Hydrogen Sulfide and Cysteine Excreted by Bacterial Cells
    Authors:  Sergey Korshunov and James A. Imlay, date: 05/20/2018, view: 2479, Q&A: 0
    [Abstract] Bacteria release cysteine to moderate the size of their intracellular pools. They can also evolve hydrogen sulfide, either through dissimilatory reduction of oxidized forms of sulfur or through the deliberate or inadvertent degradation of intracellular cysteine. These processes can have important consequences upon microbial communities, because ...
    Quantification of Low Molecular Weight Thiols in Arabidopsis
    Authors:  Ziqing Miao, Zhen Wang and Cheng-Bin Xiang, date: 01/05/2016, view: 4638, Q&A: 0
    [Abstract] Low-molecular-weight (LMW) thiols are a class of highly reactive compounds due to their thiol moiety. They play important roles in the maintenance of cellular redox homeostasis, detoxification, and development. Monobromobimane (mBBr) is weakly fluorescent but selectively reacts with thiols to yield highly fluorescent thioethers (mBSR) products, ...



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