Aga2-fusion protein binding to yeast cell by Aga1. Image provided by Invitrogen. Phage display systems, reviewed in a recent issue of The Scientist, 1 have proven enormously useful for the detection ...

In the early and mid-1980s, scientists used phages to express recombinant proteins. The protein was retained inside the virions, so screening required growing viral plaques, creating a stamp of these ...