Advantages and Disadvantages of Yeast Display
Advantages of yeast display over other in vitro evolution methods include eukaryotic expression and processing, quality control mechanisms of the eukaryotic secretory pathway, minimal avidity effects, and quantitative library screening through fluorescent-activated cell sorting (FACS).
Disadvantages include smaller mutant library sizes compared to alternative methods and differential glycosylation in yeast compared to mammalian cells. These disadvantages have not limited the success of yeast display for a number of applications, including engineering the highest monovalent ligand-binding affinity reported to date for an engineered protein (Boder, E.T. 2000)
Alternative methods for protein evolution in vitro are phage display, ribosome display, bacterial display, and mRNA display.
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