Large-scale production of human adenosine A2A receptor in yeast
Author Information
Author(s): Shweta Singh, Adrien Gras, Cédric Fiez-Vandal, Jonathan Ruprecht, Rohini Rana, Magdalena Martinez, Philip G Strange, Renaud Wagner, Bernadette Byrne
Primary Institution: Imperial College London
Hypothesis
The study aims to compare the levels of expression of the human Adenosine 2A receptor in Pichia pastoris under control of a methanol-inducible promoter in both flask and bioreactor cultures.
Conclusion
Large-scale expression of the A2AR in Pichia pastoris bioreactor cultures results in significant increases in functional expression compared to traditional flask cultures.
Supporting Evidence
- Bioreactor cultures yielded an approximately five times increase in cell density compared to flask cultures.
- The truncated form of the receptor was revealed to be resistant to C-terminal degradation.
- The study identified a more stable truncated A2AR construct for further functional and structural studies.
Takeaway
This study shows that using special yeast cultures can help make more of a protein that is important for studying how our body responds to different substances.
Methodology
The study compared the expression of the human Adenosine 2A receptor in Pichia pastoris using both flask and bioreactor cultures, measuring cell density and functional expression levels.
Limitations
The study may not account for all variables affecting protein expression in different culture conditions.
Digital Object Identifier (DOI)
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