ArticleMethods in molecular biology (Clifton, N.J.)2022
High Cell-Density Expression System: Yeast Cells in a Phalanx Efficiently Produce a Certain Range of "Difficult-to-Express" Secretory Recombinant Proteins.
Article in Methods in molecular biology (Clifton, N.J.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Yeast's extracellular expression provides a cost-efficient means of producing recombinant proteins of academic or commercial interests. However, depending on the protein to be expressed, the production occasionally results in a poor yield, which is frequently accompanied with a deteriorated growth of the host. Here we describe our simple approach, high cell-density expression, to circumvent the cellular toxicity and achieve the production of a certain range of "difficult-to-express" secretory protein in preparative amount. The system features an ease of performing: (a) pre-cultivate yeast cells to the stationary phase in non-inducing condition, (b) suspend the cells to a small aliquot of inducing medium to form a high cell-density suspension or "a phalanx," then (c) give a sufficient aeration to the phalanx. Factors and pitfalls that affect the system's performance are also described.
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