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Recombinant Technology

Mut phenotype allows easier protein production in Pichia cultures

Published in Medical Letter on the CDC and FDA, May 15th, 2005

The methanol utilization (Mut) phenotype allows easier process control during recombinant protein production in Pichia pastoris fed-batch cultures.

"An important number of heterologous proteins have been produced in the methylotrophic yeast Pichia pastoris using the alcohol oxidase promoter. Two factors that drastically influence protein production and cultivation process development in this system are gene dosage and methanol assimilation capacity of the host strain (Mut phenotype). Using a battery of four strains which secrete a Rhizopus oryzae lipase (ROL), the combined effects of gene dosage and Mut phenotype on recombinant protein production in...

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