Transposon Insertion Site Sequencing (TIS‐Seq): An Efficient and High‐Throughput Method for Determining Transposon Insertion Site(s) and Their Relative Abundances in a PiggyBac Transposon Mutant Pool by Next‐Generation Sequencing
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Abstract
The PiggyBac (PB) transposon has emerged as a novel mutagenesis tool for understanding gene function and for phenotypic screening in eukaryotes. Successful screening of PB transposon mutants relies on efficient identification of transposon insertion site(s) (TIS) in mutant cells. However, currently available methods suffer from time-consuming steps. Here, we present the method for transposon insertion site sequencing (TIS-Seq) for high-throughput identification of TIS in transposon mutants. TIS-Seq provides qualitative and quantitative information on mutants present in a given PB transposon mutant library. TIS-Seq also facilitates identification of TIS in up to 96 individual/hand-picked mutants in a single MiniSeq/MiSeq run. TIS-Seq is a versatile method that can be easily modified to identify TIS from any kind of transposon mutant, as long as one end of the DNA sequence is known. Therefore, TIS-Seq is a promising method for transposon mutant screening. © 2017 by John Wiley & Sons, Inc.
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