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Article Abstract
The CRISPR-Cas3 editing system as presented here facilitates the creation of genomic alterations in and in a straightforward manner. By providing the Cas3 system as a vector set with Golden Gate compatibility and different antibiotic markers, as well as by employing the established Standard European Vector Architecture (SEVA) vector set to provide the homology repair template, this system is flexible and can readily be ported to a multitude of Gram-negative hosts. Besides genome editing, the Cas3 system can also be used as an effective and universal tool for vector curing. This is achieved by introducing a spacer that targets the origin-of-transfer, present on the majority of established (SEVA) vectors. Based on this, the Cas3 system efficiently removes up to three vectors in only a few days. As such, this curing approach may also benefit other genomic engineering methods or remove naturally occurring plasmids from bacteria.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10715078 | PMC |
| http://dx.doi.org/10.1128/spectrum.02707-23 | DOI Listing |
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