A reference set of functional plasmids for Vibrio natriegens
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New microbial hosts with superior phenotypes, such as fast growth, are attractive for research and biotechnology, but often lack systematic evaluation of functional genetic parts. A reference set of working plasmids would increase reproducibility and encourage use of these hosts. Here, we use the POSSUM toolkit, a collection of 23 origins-of-replication and 6 antibiotic markers, to identify functional genetic parts for strains of Vibrio natriegens . We applied this to the wild-type strain ATCC 14048 and an engineered variant NBx CyClone™, evaluating 414 combinations of origins of replication and antibiotic selection conditions. We show that both strains support five replicons (pNG2, pSa, pSC101ts, p15A, and RSF1010) with NBx CyClone™ supporting an extra replicon RK2. The assay can be performed in under a week and is compatible with multiple DNA delivery methods. This work demonstrates the feasibility of rapidly establishing reference information to accelerate the adoption of new microbial hosts.
