Identify the plasmid

Options

(a) EcoRI
(b) AIUI
(c) Hind III
(d) pBR 322

Correct Answer:

pBR 322

Explanation:

pBR322 is a plasmid and was one of the first widely used E. coli cloning vectors. Created in 1977 in the laboratory of Herbert Boyer at the University of California, San Francisco, it was named after the postdoctoral researchers who constructed it. The p stands for “plasmid,” and BR for “Bolivar” and “Rodriguez.”