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  • Title: Simple and Rapid Assembly of TALE Modules Based on the Degeneracy of the Codons and Trimer Repeats.
    Author: Cheng L, Zhou X, Zheng Y, Tang C, Liu Y, Zheng S, Liu Y, Zhou J, Li C, Chen M, Lai L, Zou Q.
    Journal: Genes (Basel); 2021 Nov 05; 12(11):. PubMed ID: 34828367.
    Abstract:
    Transcription activator-like effectors (TALEs) have been effectively used for targeted genome editing, transcriptional regulation, epigenetic modification, and locus-specific DNA imaging. However, with the advent of the clustered regularly interspaced short palindromic repeat/Cas9 system, an easy-to-use tool with the same function as TALEs, TALEs have recently been abandoned because of their complexity, time consumption, and difficult handling in common labs. Here, we described a degenerated codon-based TALE assembly system for simple, rapid, and efficient TALE assembly. TALE trimers with nonrepetitive DNA sequences were amplified by PCR and sequentially assembled via Gibson assembly. Our method is cost-effective, requires only commonly used basic molecular biology reagents, and takes only 2 h from target sequence analysis to completion. This simple, rapid, and lab-friendly TALE assembly method will restore the value of TALEs in DNA targeting.
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