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Types of Plasmids and Their Biological Significance
![A Plasmid Map of pUC19](../../../../../../../../../figures.boundless-cdn.com/13169/raw/puc19.jpg)
A Plasmid Map of pUC19
pUC19 is one of a series of plasmid cloning vectors created by Messing and co-workers in the University of California. The p in its name stands for plasmid and UC represents the University in which it was created. It is a circular double stranded DNA and has 2686 base pairs. pUC19 is one of the most widely used vector molecules as the recombinants, or the cells into which foreign DNA has been introduced, can be easily distinguished from the non-recombinants based on color differences of colonies on growth media. pUC18 is similar to pUC19, but the multiple cloning site region is reversed.
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"File:PUC19.svg - Wikipedia, the free encyclopedia."
http://en.wikipedia.org/w/index.php?title=File:PUC19.svg&page=1
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