ArticleApplied and environmental microbiology2007
A novel high-throughput screen reveals yeast genes that increase secretion of heterologous proteins.
Article in Applied and environmental microbiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 77 papers.
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77 citing papers in PubMed, 125 citations in OpenAlex.
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17 more citing papers are in PubMed but not listed here.
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The yeast Saccharomyces cerevisiae is an attractive host for the production of heterologous proteins. However, low-yield production of many proteins (from micrograms to milligrams/liter) leaves considerable room for optimization. By engineering the yeast cell via traceable genome-wide libraries, genes that can enhance protein expression level because of their roles in protein transcription, translation, folding, and trafficking processes can be readily identified. This report details a novel approach that combines yeast cDNA overexpression libraries with yeast surface display to allow the rapid flow cytometric screening of engineered yeast for gene products that improve the display of heterologous proteins. After optimization of the screening conditions, a genome-wide scan yielded five yeast gene products that promoted increased display levels of a single-chain T-cell receptor (scTCR). The display-enhancing genes included those coding for cell wall proteins (CCW12, CWP2, and SED1), a ribosomal subunit protein (RPP0), and an endoplasmic reticulum-resident protein (ERO1). Under the premise that yeast surface display levels could be used as a predictor of secretion efficiency, each display-enhancing gene product was tested for its ability to affect secretion levels of multiple scTCR and single-chain antibodies (scFv). All of the selected yeast gene products were shown to promote increased secretion of active protein (1.5-fold to 7.9-fold), with CCW12 and ERO1 being the most generalizable enhancers of scFv/scTCR secretion.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.