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KMID : 0880220220600121123
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Journal of Microbiology
2022 Volume.60 No. 12 p.1123 ~ p.1129
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Construction of high-density transposon mutant library of Staphylococcus aureus using bacteriophage
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Lee Won-Sik
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Abstract
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Transposon mutant libraries are an important resource to study bacterial metabolism and pathogenesis. The fitness analysis of mutants in the libraries under various growth conditions provides important clues to study the physiology and biogenesis of structural components of a bacterial cell. A transposon library in conjunction with next-generation sequencing techniques, collectively named transposon sequencing (Tn-seq), enables high-throughput genome profiling and synthetic lethality analysis. Tn-seq has also been used to identify essential genes and to study the mode of action of antibacterials. To construct a high-density transposon mutant library, an efficient delivery system for transposition in a model bacterium is essential. Here, I describe a detailed protocol for generating a high-density phage-based transposon mutant library in a Staphylococcus aureus strain, and this protocol is readily applicable to other S. aureus strains including USA300 and MW2.
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KEYWORD
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Staphylococcus aureus, transposon mutagenesis, bacteriophage, fitness, transposon sequencing (Tn-seq)
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