Pichia pastoris is a species of methylotrophic yeast that is widely used for protein expression both in academia and the biotechnology industry. A number of properties make it suited for this task (1). Pichia has a high growth rate, and it can grow on simple, inexpensive media. It can also be grown in either shaker flasks or bioreactors, which makes it suitable for both small-and large-scale protein production. PRODUCT FOCUS: Yeast-expressed recombinant proteinsPROCESS FOCUS: ProductionWHO SHOULD READ: Manufacturing and process…