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Over the last decade, the use of auxin-inducible degrons (AID) to control the stability of target proteins has revolutionized the field of cell biology. AID-mediated degradation helps to overcome multiple hurdles that have been encountered in studying multisubunit protein complexes, like the nuclear pore complex (NPC), using classical biochemical and genetic methods. We have used the AID system for acute depletion of individual members of the NPC, called nucleoporins, in order to distinguish their roles both within established NPCs and during NPC assembly.Here, we describe a protocol for CRISPR/Cas9-mediated gene targeting of genes with the AID tag. As an example, we describe a step-by-step protocol for targeting of the NUP153 gene. We also provide recommendations for screening strategies and integration of the sequence encoding the Transport Inhibitor Response 1 (TIR1) protein, a E3-Ubiquitin ligase subunit necessary for AID-dependent protein degradation. In addition, we discuss applications of the NUP-AID system and functional assays for analysis of NUP-AID tagged cell lines. © 2022. Springer Science+Business Media, LLC, part of Springer Nature.


Vasilisa Aksenova, Alexei Arnaoutov, Mary Dasso. Analysis of Nucleoporin Function Using Inducible Degron Techniques. Methods in molecular biology (Clifton, N.J.). 2022;2502:129-150

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PMID: 35412236

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