Secretory expression and characterization of insulin in Pichia pastoris

The yeasts Pichia pastoris and Saccharomyces cerevisiae have similar overall features regarding the secretory expression of insulin. The S. cerevisiae mating factor α (α‐factor) prepro‐leader facilitated the secretion of an insulin precursor, but not proinsulin expressed in P. pastoris. Synthetic pr...

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Veröffentlicht in:Biotechnology and applied biochemistry 1999-02, Vol.29 (1), p.79-86
Hauptverfasser: Kjeldsen, Thomas, Pettersson, Annette Frost, Hach, Morten
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Hach, Morten
description The yeasts Pichia pastoris and Saccharomyces cerevisiae have similar overall features regarding the secretory expression of insulin. The S. cerevisiae mating factor α (α‐factor) prepro‐leader facilitated the secretion of an insulin precursor, but not proinsulin expressed in P. pastoris. Synthetic prepro‐leaders developed for the secretory expression of the insulin precursor in S. cerevisiae also facilitated the secretion of the insulin precursor expressed in P. pastoris. In contrast with S. cerevisiae, only insulin precursor and no unprocessed hyperglycosylated α‐factor pro‐leader/insulin precursor fusion protein was secreted from P. pastoris. A spacer peptide in the fusion protein increased the fermentation yield of the insulin precursor in P. pastoris. A synthetic prepro‐leader, but not an α‐factor prepro‐leader lacking N‐glycosylation sites, facilitated the secretion of the insulin precursor in P. pastoris. P. pastoris has a capacity for secretory expression of the insulin precursor that is equal to or better than that of S. cerevisiae. Peptide mapping and MS indicated a structure of the insulin precursor expressed in P. pastoris identical with that of human insulin.
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Psychology</topic><topic>Genetic engineering</topic><topic>Genetic technics</topic><topic>Humans</topic><topic>Insulin - genetics</topic><topic>Insulin - isolation &amp; purification</topic><topic>Insulin - metabolism</topic><topic>Insulin Secretion</topic><topic>Mass Spectrometry</topic><topic>Methods. Procedures. Technologies</topic><topic>Modification of gene expression level</topic><topic>Molecular Sequence Data</topic><topic>Molecular Weight</topic><topic>Peptide Mapping</topic><topic>Pichia - genetics</topic><topic>Pichia - metabolism</topic><topic>Proinsulin - genetics</topic><topic>Proinsulin - isolation &amp; purification</topic><topic>Proinsulin - metabolism</topic><topic>Recombinant Proteins - genetics</topic><topic>Recombinant Proteins - isolation &amp; purification</topic><topic>Recombinant Proteins - metabolism</topic><topic>Saccharomyces cerevisiae - genetics</topic><topic>Saccharomyces cerevisiae - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kjeldsen, Thomas</creatorcontrib><creatorcontrib>Pettersson, Annette Frost</creatorcontrib><creatorcontrib>Hach, Morten</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Biotechnology and applied biochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kjeldsen, Thomas</au><au>Pettersson, Annette Frost</au><au>Hach, Morten</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Secretory expression and characterization of insulin in Pichia pastoris</atitle><jtitle>Biotechnology and applied biochemistry</jtitle><addtitle>Biotechnol Appl Biochem</addtitle><date>1999-02</date><risdate>1999</risdate><volume>29</volume><issue>1</issue><spage>79</spage><epage>86</epage><pages>79-86</pages><issn>0885-4513</issn><eissn>1470-8744</eissn><coden>BABIEC</coden><abstract>The yeasts Pichia pastoris and Saccharomyces cerevisiae have similar overall features regarding the secretory expression of insulin. The S. cerevisiae mating factor α (α‐factor) prepro‐leader facilitated the secretion of an insulin precursor, but not proinsulin expressed in P. pastoris. Synthetic prepro‐leaders developed for the secretory expression of the insulin precursor in S. cerevisiae also facilitated the secretion of the insulin precursor expressed in P. pastoris. In contrast with S. cerevisiae, only insulin precursor and no unprocessed hyperglycosylated α‐factor pro‐leader/insulin precursor fusion protein was secreted from P. pastoris. A spacer peptide in the fusion protein increased the fermentation yield of the insulin precursor in P. pastoris. A synthetic prepro‐leader, but not an α‐factor prepro‐leader lacking N‐glycosylation sites, facilitated the secretion of the insulin precursor in P. pastoris. P. pastoris has a capacity for secretory expression of the insulin precursor that is equal to or better than that of S. cerevisiae. 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source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects Amino Acid Sequence
Biological and medical sciences
Biotechnology
Chromatography, High Pressure Liquid - methods
Fundamental and applied biological sciences. Psychology
Genetic engineering
Genetic technics
Humans
Insulin - genetics
Insulin - isolation & purification
Insulin - metabolism
Insulin Secretion
Mass Spectrometry
Methods. Procedures. Technologies
Modification of gene expression level
Molecular Sequence Data
Molecular Weight
Peptide Mapping
Pichia - genetics
Pichia - metabolism
Proinsulin - genetics
Proinsulin - isolation & purification
Proinsulin - metabolism
Recombinant Proteins - genetics
Recombinant Proteins - isolation & purification
Recombinant Proteins - metabolism
Saccharomyces cerevisiae - genetics
Saccharomyces cerevisiae - metabolism
title Secretory expression and characterization of insulin in Pichia pastoris
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