Related Experiment Video
Updated: May 11, 2026

08:32
Application of Genetically Encoded Fluorescent Nitric Oxide (NO•) Probes, the geNOps, for Real-time Imaging of NO• Signals in Single Cells
Published on: March 16, 2017
Fluorescent probes for live cell imaging of endogenous Guanine nitration
Yohei Saito1, Chiaki Ito, Shigemoto Fujii
1Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba, Sendai 980-8577, Japan.
Chembiochem : a European Journal of Chemical Biology
|May 25, 2013
Abstract:
Seeing is believing: S-guanylation is a novel key mechanism by which signal transduction under oxidative stress is regulated. A chemical probe whose fluorescent intensity increases after the reaction with proteinous cysteine (S-guanylation) is described. The use of this probe revealed that S-guanylation products localized in lysosomes.
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DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
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Reporter genes are a type of protein-coding gene that are often tagged to a gene of interest. Once inside a target cell, reporter genes usually produce visually identifiable characteristics like fluorescence and luminescence when expressed along with the gene of interest. Thus, reporter genes “report” the presence or absence of genes of interest in an organism, determine the gene expression pattern, or track the physical location of a DNA segment or protein in the cell.
Commonly used reporter...
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