Large-scale production and purification of recombinant Galanthus nivalis agglutinin (GNA) expressed in the methylotrophic yeast Pichia pastoris Authors
Cite this article as: Baumgartner, P., Harper, K., Raemaekers, R.J. et al. Biotechnology Letters (2003) 25: 1281. doi:10.1023/A:1025007901322 Abstract
The gene coding for agglutinin from
Galanthus nivalis (GNA) was expressed in, and secreted by, the methylotrophic yeast, Pichia pastoris. Transformants of P. pastoris were selected and a process to produce and purify gram quantities of recombinant GNA was developed. GNA was secreted at approximately 80 mg l −1 at the 200 l scale and was purified to 95% homogeneity using hydrophobic interaction chromatography. The recombinant protein was similar to the protein synthesised in plant with respect to structure and biological activity. fed-batch culture Galanthus nivalis agglutinin large-scale purification lectin Pichia pastoris References
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