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Gene Synthesis> | … TnsAB fusions producing almost no detectable cointegrates across a population of cells (Fig … for applications of RNA-guided DNA integration technology in heterologous cell types … 09/160 genome (NCBI accession LR721750.1), synthesized as fragments (GenScript), and cloned … | Get A Quote |
Bacterial transposons propagate through either non-replicative (cut-and-paste) or replicative (copy-and-paste) pathways, depending on how the mobile element is excised from its donor source. In the well-characterized E. coli transposon Tn7, a heteromeric TnsA-TnsB transposase directs cut-and-paste transposition by cleaving both strands at each transposon end during the excision step. Whether a similar pathway is involved for RNA-guided transposons, in which CRISPR-Cas systems confer DNA target specificity, has not been determined. Here, we apply long-read, population-based whole-genome sequencing (WGS) to unambiguously resolve transposition products for two evolutionarily distinct transposon types that employ e... More