https://www.selleckchem.com/pr....oducts/muramyl-dipep
Although Escherichia coli has been a popular tool for plasmid construction, this bacterium was believed to be "unsuitable" for constructing a large plasmid whose size exceeds 500 kilobases. We assumed that traditional plasmid vectors may lack some regulatory DNA elements required for the stable replication and segregation of such a large plasmid. In addition, the use of a few site-specific recombination systems may facilitate cloning of large DNA segments. Here we show two strategies for constructing 1-megabase (1-Mb) secondar
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