Modeling and measuring intracellular fluxes of secreted recombinant protein in Pichia pastoris with a novel 34S labeling procedure
2011

Measuring Protein Production in Yeast

publication Evidence: moderate

Author Information

Author(s): Martin Pfeffer, Michael Maurer, Gunda Köllensperger, Stephan Hann, Alexandra B Graf, Diethard Mattanovich

Primary Institution: University of Natural Resources and Life Sciences, Department of Biotechnology

Hypothesis

The study aims to develop a novel method for quantifying intracellular fluxes of recombinant protein in Pichia pastoris using 34S labeling.

Conclusion

The novel 34S labeling procedure allows for in vivo quantification of intracellular protein fluxes under production-like conditions.

Supporting Evidence

  • The study describes a method that allows for the measurement of protein production in yeast under controlled conditions.
  • The results indicate that a significant portion of produced protein is degraded within the cell.

Takeaway

Researchers found a new way to track how proteins are made and used in yeast, which can help improve how we produce important proteins.

Methodology

The study used a novel labeling method with stable sulfur isotope 34S during chemostat cultivations to measure protein production and degradation.

Limitations

The study may not account for all variables affecting protein production in different growth conditions.

Digital Object Identifier (DOI)

10.1186/1475-2859-10-47

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