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  • Title: Reader-Effectors as Actuators of Epigenome Editing.
    Author: Kim SH, Haynes KA.
    Journal: Methods Mol Biol; 2024; 2842():103-127. PubMed ID: 39012592.
    Abstract:
    Epigenome editing applications are gaining broader use for targeted transcriptional control as more enzymes with diverse chromatin-modifying functions are being incorporated into fusion proteins. Development of these fusion proteins, called epigenome editors, has outpaced the study of proteins that interact with edited chromatin. One type of protein that acts downstream of chromatin editing is the reader-effector, which bridges epigenetic marks with biological effects like gene regulation. As the name suggests, a reader-effector protein is generally composed of a reader domain and an effector domain. Reader domains directly bind epigenetic marks, while effector domains often recruit protein complexes that mediate transcription, chromatin remodeling, and DNA repair. In this chapter, we discuss the role of reader-effectors in driving the outputs of epigenome editing and highlight instances where abnormal and context-specific reader-effectors might impair the effects of epigenome editing. Lastly, we discuss how engineered reader-effectors may complement the epigenome editing toolbox to achieve robust and reliable gene regulation.
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