This article summarizes the general principles of selections and screens in Escherichia coli. The focus is on the lac operon, owing to its inherent simplicity and versatility. Examples of ...

BUFFALO, N.Y. — Like a dairy farmer tending to a herd of cows to produce milk, researchers are tending to colonies of the bacteria Escherichia coli (E. coli) to produce new forms of antibiotics — ...

The MEGA was then filled with 14 liters of agar—a seaweed-derived jellylike substance often used in labs to nourish ... They then dropped Escherichia coli, better known as E. coli, ...