With nearly three decades of development, Pichia pastoris (P. pastoris) has become a powerful eukaryotic protein expression system for the expression of thousands of proteins both on a laboratory and industrial scale. In addition, it has also been extensively used as a cell factory for the production of a variety of chemicals. This review summarizes the bottlenecks and solutions in achieving high-level secretory protein expression with P. pastoris and then outlines its applications on chemical production with an emphasis on its role as whole-cell biocatalyst. Furthermore, current challenges and future directions of this important system are also discussed.
Keywords: Pichia pastoris; biotransformation; protein expression; synthetic biology; whole-cell catalysis.
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