What is E. coli DH5 Alpha?
What is E. coli DH5 Alpha? DH5-Alpha Cells are E. coli cells engineered by American biologist Douglas Hanahan to maximize transformation efficiency. They are defined by three mutations: recA1, endA1 which help plasmid insertion and lacZΔM15 which enables blue white screening. What is the difference between DH5 alpha and BL21? Read more…