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Fusion mechanism of plasmid pNTJ1F31. (a) Circular comparison between pNTJ1F31 in the transconjugant and its progenitor plasmids in the donor strain. The outmost circle denotes the reference plasmid pNTJ1F31 with annotated genes. (b) Schematic diagram of cointegrated plasmid generation mediated by homologous recombination. (c) Linear comparison between pNTJ1F31 and its progenitor plasmids. The grey regions indicate the homologous region between plasmid regions.
