재조합 Alcaligenes eutrophus 균주 개발 및 Poly(3-hydroxybutyrate) 생산에 관한 연구Development of Recombinant Alcaligenes eutrophus for the Production of Poly(3-hydroxybutyrate)

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dc.contributor.author이상엽ko
dc.contributor.author최종일ko
dc.date.accessioned2013-03-02T19:02:32Z-
dc.date.available2013-03-02T19:02:32Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1997-10-
dc.identifier.citation화학공학회지, v.35, no.5, pp.684 - 689-
dc.identifier.issn0256-1107-
dc.identifier.urihttp://hdl.handle.net/10203/75049-
dc.description.abstractIn order to improve the productivity of poly(3-hydroxybutyrate)[P(3HB)], Alcaligenes eutrophus was metabolically engineered tn amplify the activities of the three enzymes involved in the synthesis of P(3HB). The A. eutrophus P(3HB) biosynthesis genes coding for P(3HB) synthase, β-ketothiolase, and reductase were cloned into a broad-host-range plasmid pVK101. Recombinant A. eutrophus strain was developed by transforming with this plasmid by electroporation. The efficiency of transformation was in an order of 10³ transformants/㎍ DNA. In flask cultures, the final cell concentration of recombinant A. eutrophus decreased with increasing carbon/nitrogen(C/N) molar ratio, On the other hand, P(3HB) concentration was highest at the medium C/N molar ratio. For the fixed nitrogen concentration, the concentrations of cell and P(3HB) increased with increasing glucose concentration. Comparison of cell growth and P(3HB) production by recombinant and wild type A. eutrophu. in batch culture showed that the final P(3HB) concentration, P(3HB) content, and P (3HB) synthesis rate were all higher in the recombinant strain compared with the wild type.-
dc.languageKorean-
dc.publisher한국화학공학회-
dc.title재조합 Alcaligenes eutrophus 균주 개발 및 Poly(3-hydroxybutyrate) 생산에 관한 연구-
dc.title.alternativeDevelopment of Recombinant Alcaligenes eutrophus for the Production of Poly(3-hydroxybutyrate)-
dc.typeArticle-
dc.type.rimsART-
dc.citation.volume35-
dc.citation.issue5-
dc.citation.beginningpage684-
dc.citation.endingpage689-
dc.citation.publicationname화학공학회지-
dc.contributor.localauthor이상엽-
dc.contributor.nonIdAuthor최종일-
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CBE-Journal Papers(저널논문)
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