Abstract
To develop an accurate and efficient protocol for multi-fragment assembly and multi-site mutagenesis, we integrated and optimized the common multi-fragment assembly methods and validated the established method by using fructose-1,6-diphosphatase 1 (FBP1) with 4 mutant sites. The fragments containing mutations were assembled by introducing mutant sites and Bsa I recognition sequences. After digestion/ligation, the ligated fragment was amplified with the primers containing overlap region to the linearized vector. The amplified fragment was ligated to the linearized vector and the ligation product was transformed into Escherichia coli. After screening and sequencing, the recombinant plasmid with 4 mutant sites was obtained. This protocol overcame the major defects of Gibson assembly and Golden Gate assembly, serving as an efficient solution for multi-fragment assembly and multi-site mutagenesis.
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Schedule a callMore From: Sheng wu gong cheng xue bao = Chinese journal of biotechnology
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