Analysis of antibody production in Saccharomyces cerevisiae

effects of ER protein quality control disruption

Verfasser / Beitragende:
[Jorg de Ruijter, Alexander Frey]
Ort, Verlag, Jahr:
2015
Enthalten in:
Applied Microbiology and Biotechnology, 99/21(2015-11-01), 9061-9071
Format:
Artikel (online)
ID: 605505810
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024 7 0 |a 10.1007/s00253-015-6807-7  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00253-015-6807-7 
245 0 0 |a Analysis of antibody production in Saccharomyces cerevisiae  |h [Elektronische Daten]  |b effects of ER protein quality control disruption  |c [Jorg de Ruijter, Alexander Frey] 
520 3 |a One of the main limitations for heterologous protein production in the yeast Saccharomyces cerevisiae is the protein-folding capacity in the endoplasmic reticulum (ER). Accumulation of unfolded proteins triggers the unfolded protein response (UPR), which resolves the stress by increasing the capacity for protein folding and removal of unfolded proteins by the ER-associated degradation (ERAD) system. In order to analyze the influence of ERAD on production of a human IgG, we disrupted ERAD at different stages by deletion of the HTM1, YOS9, HRD1, HRD3, or UBC7 gene, with or without a disruption of the UPR by deletion of the IRE1 gene. All deletion strains were viable and did not exhibit a growth phenotype under normal growth conditions. Deletion of HTM1 resulted in a small increase in antibody production, whereas a small decrease in antibody production was observed in the Δhrd1, Δhrd3, and Δubc7 yeast strains, and a stronger decrease in the Δyos9 yeast strain. Deletion of the IRE1 gene had contrasting effects in the ERAD mutants, with a strongly decreased production in wild-type cells and partially reversed effects in combination with the Δhtm1 or the Δyos9 deletions. In order to study IgG clearance from the ER, an assay was developed using the inhibitory effect of glucose on the GAL1 promoter that is driving IgG expression. The Δyos9Δire1and Δhtm1Δire1 strains showed a delayed IgG clearance from the cells, showing that removal of components for the generation and recognition of the glycan signal needed for ERAD-mediated protein degradation might increase the IgG ER residence time. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Unfolded protein response (UPR)  |2 nationallicence 
690 7 |a Endoplasmic reticulum associated protein degradation (ERAD)  |2 nationallicence 
690 7 |a Heterologous protein production  |2 nationallicence 
690 7 |a Yeast  |2 nationallicence 
690 7 |a Antibody  |2 nationallicence 
700 1 |a de Ruijter  |D Jorg  |u Department of Biotechnology and Chemical Technology, Aalto University, Kemistintie 1, 02150, Espoo, Finland  |4 aut 
700 1 |a Frey  |D Alexander  |u Department of Biotechnology and Chemical Technology, Aalto University, Kemistintie 1, 02150, Espoo, Finland  |4 aut 
773 0 |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/21(2015-11-01), 9061-9071  |x 0175-7598  |q 99:21<9061  |1 2015  |2 99  |o 253 
856 4 0 |u https://doi.org/10.1007/s00253-015-6807-7  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00253-015-6807-7  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a de Ruijter  |D Jorg  |u Department of Biotechnology and Chemical Technology, Aalto University, Kemistintie 1, 02150, Espoo, Finland  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Frey  |D Alexander  |u Department of Biotechnology and Chemical Technology, Aalto University, Kemistintie 1, 02150, Espoo, Finland  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/21(2015-11-01), 9061-9071  |x 0175-7598  |q 99:21<9061  |1 2015  |2 99  |o 253