Magic pools: parallel assessment of transposon delivery vectors in bacteria

Author:

Liu HualanORCID,Price Morgan N.ORCID,Waters Robert Jordan,Ray Jayashree,Carlson Hans K.,Lamson Jacob S.,Chakraborty Romy,Arkin Adam P.,Deutschbauer Adam M.

Abstract

AbstractTransposon mutagenesis coupled to next-generation sequencing (TnSeq) is a powerful approach for discovering the functions of bacterial genes. However, the development of a suitable TnSeq strategy for a given bacterium can be costly and time-consuming. To meet this challenge, we describe a parts-based strategy for constructing libraries of hundreds of transposon delivery vectors, which we term “magic pools”. Within a magic pool, each transposon vector has a different combination of promoters and antibiotic resistance markers as well as a random DNA barcode sequence, which allows the tracking of each vector during mutagenesis experiments. To identify an efficient vector for a given bacterium, we mutagenize it with a magic pool and sequence the resulting insertions; we then use the best vector to generate a large mutant library. We used the magic pool strategy to construct transposon mutant libraries in five genera of bacteria, including three genera of the phylumBacteroidetes.

Publisher

Cold Spring Harbor Laboratory

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Rapidly moving new bacteria to model-organism status;Current Opinion in Biotechnology;2018-06

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