title: Fluorescent biosensors for real-time tracking of post-translational modification dynamics.
abstract: Dynamic post-translational modifications (PTMs) regulate and diversify protein properties and cellular behaviors. Real-time monitoring of these modifications has been made possible with biosensors based on fluorescent proteins (FPs) and fluorescence resonance energy transfer (FRET), which can provide spatiotemporal information of PTMs with little perturbation to the cellular environment. In this review, we highlight available fluorescent biosensors applicable to detect PTMs in living cells and how they have shed light on biological questions that have been difficult to address otherwise. In addition, we also provide discussions about various engineering strategies for overcoming potential challenges associated with the development and application of such biosensors.
authors.affiliation: Department of Pharmacology and Molecular Sciences, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
authors.forename: Nwe-Nwe
authors.initials: NN
authors.lastname: Aye-Han
authors.forename: Qiang
authors.initials: Q
authors.lastname: Ni
authors.forename: Jin
authors.initials: J
authors.lastname: Zhang
mesh_terms: D000818:Animals; D015374:Biosensing Techniques / Q000379:methods*; D031541:Fluorescence Resonance Energy Transfer / Q000379:methods; D006801:Humans; D011499:Protein Processing, Post-Translational; D011506:Proteins / Q000032:analysis* / Q000378:metabolism
chemical_list: D011506:Proteins
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