Research Article
Genome-scale metabolic model of methylotrophic yeast Pichia pastoris and its use for in silico analysis of heterologous protein production
Article first published online: 25 MAY 2010
DOI: 10.1002/biot.201000078
Copyright © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Issue

Biotechnology Journal
Special Issue: Systems Biology for Biotech Applications
Volume 5, Issue 7, pages 705–715, July 2010
Additional Information
How to Cite
Sohn, S. B., Graf, A. B., Kim, T. Y., Gasser, B., Maurer, M., Ferrer, P., Mattanovich, D. and Lee, S. Y. (2010), Genome-scale metabolic model of methylotrophic yeast Pichia pastoris and its use for in silico analysis of heterologous protein production. Biotechnology Journal, 5: 705–715. doi: 10.1002/biot.201000078
Publication History
- Issue published online: 14 JUL 2010
- Article first published online: 25 MAY 2010
- Manuscript Accepted: 18 MAY 2010
- Manuscript Revised: 13 MAY 2010
- Manuscript Received: 3 MAY 2010
Funded by
- Korean Systems Biology Research Project of the Ministry of Education, Science and Technology through the National Research Foundation of Korea
- Austrian Science Fund
- Austrian Research Promotion Agency
Keywords:
- Genome-scale metabolic model;
- Heterologous protein production;
- HSA;
- hSOD;
- Pichia pastoris
Abstract
The methylotrophic yeast Pichia pastoris has gained much attention during the last decade as a platform for producing heterologous recombinant proteins of pharmaceutical importance, due to its ability to reproduce post-translational modification similar to higher eukaryotes. With the recent release of the full genome sequence for P. pastoris, in-depth study of its functions has become feasible. Here we present the first reconstruction of the genome-scale metabolic model of the eukaryote P. pastoris type strain DSMZ 70382, PpaMBEL1254, consisting of 1254 metabolic reactions and 1147 metabolites compartmentalized into eight different regions to represent organelles. Additionally, equations describing the production of two heterologous proteins, human serum albumin and human superoxide dismutase, were incorporated. The protein-producing model versions of PpaMBEL1254 were then analyzed to examine the impact on oxygen limitation on protein production.

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