{"title":"[Investigation of Protein Translocation Sec-System with Heterologous Gene Expression in Shewanella oneidensis MR-1 Bacterium Cells].","authors":"N N Mordkovich, N A Okorokova, V P Veiko","doi":"10.7868/s0555109915030125","DOIUrl":null,"url":null,"abstract":"<p><p>A comparison of the primary structures of the protein translocation Sec-system proteins in the Shewanella oneidensis MR-1 and Escherichia coli bacteria was carried out. The process of translocation of recombinant pro-enteroxins (SEB and SEH) from Staphylococcus aureus and pro-streptavidin (SAV) from Streptomyces avidinii in the S. oneidensis MR-1 and E. coli cell periplasm was studied. It was demonstrated that these marker proteins are transferred into the periplasmic space of the S. oneidensis MR-1 transformant strain cells. The identity of N-terminal amino acid sequences of mature recombinant SEB, SEH, and SAV proteins (generated during post-translation proteolysis of leader peptide by the Sec-system both in E. coli and S. oneidensis MR-1) was established.</p>","PeriodicalId":20415,"journal":{"name":"Prikladnaia biokhimiia i mikrobiologiia","volume":"51 3","pages":"305-12"},"PeriodicalIF":0.0000,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Prikladnaia biokhimiia i mikrobiologiia","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.7868/s0555109915030125","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A comparison of the primary structures of the protein translocation Sec-system proteins in the Shewanella oneidensis MR-1 and Escherichia coli bacteria was carried out. The process of translocation of recombinant pro-enteroxins (SEB and SEH) from Staphylococcus aureus and pro-streptavidin (SAV) from Streptomyces avidinii in the S. oneidensis MR-1 and E. coli cell periplasm was studied. It was demonstrated that these marker proteins are transferred into the periplasmic space of the S. oneidensis MR-1 transformant strain cells. The identity of N-terminal amino acid sequences of mature recombinant SEB, SEH, and SAV proteins (generated during post-translation proteolysis of leader peptide by the Sec-system both in E. coli and S. oneidensis MR-1) was established.
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