pUC19

Vector map of pUC19

pUC19 is one of a series of plasmid cloning vectors designed by Joachim Messing and co-workers. The designation "pUC" is derived from the classical "p" prefix (denoting "plasmid") and the abbreviation for the University of California, where early work on the plasmid series had been conducted. The pUC plasmids are all circular double stranded DNA about 2700 base pairs in length. The pUC plasmids are some of the most widely used cloning vectors. This is in part because cells that have successfully been transformed can be easily distinguished from those that have not based on color differences of colonies. pUC18 is similar to pUC19, but the multiple cloning site (MCS) region is reversed.

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