Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/888
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dc.contributor.authorWong, H.-
dc.contributor.authorvan Wegen, R.-
dc.contributor.authorChoi, J.I.-
dc.contributor.authorLee, S.-
dc.contributor.authorMiddelberg, A.-
dc.date.issued1999-
dc.identifier.citationJournal of Microbiology and Biotechnology, 1999; 9(5):593-603-
dc.identifier.issn1017-7825-
dc.identifier.issn1738-8872-
dc.identifier.urihttp://hdl.handle.net/2440/888-
dc.description.abstractPoly(3-hydroxybutyrate) (PHB) production by fermentation was examined under both restricted- and ample-oxygen supply conditions in a single fed-batch fermentation. Recombinant Escherichia coli transformed with the PHB production plasmid pSYLl07 was grown to reach high cell density (227 g/l dry cell weight) with a high PHB content (78% of dry cell weight), using a glucose-based minimal medium. A simple flux model containing 12 fluxes was developed and applied to the fermentation data. A superior closure (95%) of the carbon mass balance was achieved. When the data were put into use, the results demonstrated a surprisingly large excretion of formate and lactate. Even though periods of severe oxygen limitation coincided with rapid acetate and lactate excretion, PHB productivity and carbon utilization efficiency were not significantly impaired. These results are very positive in reducing oxygen demand in an industrial PHA fermentation without sacrificing its PHA productivity, thereby reducing overall production costs.-
dc.description.statementofresponsibilityHeng-Ho Wong, Richard J . Van Wegen, Jong-Il Choi, Sang-Yup Lee, and Anton P. J. Middelberg-
dc.language.isoen-
dc.publisherKorean Society for Applied Microbiology-
dc.rights© The Korean Society for Applied Microbiology-
dc.source.urihttps://www.jmb.or.kr/journal/view.html?uid=632&vmd=Full-
dc.subjectEscherichiacoli; metabolic flux analysis; poly-(3-hydroxybutyrate); oxygen limitation; fermentation; high cell density culture-
dc.titleMetabolic analysis of poly (3-hydroxybutyrate) production by recombinant Escherichia coli-
dc.typeJournal article-
dc.identifier.doi10.999/1234-
pubs.publication-statusPublished-
Appears in Collections:Aurora harvest 2
Chemical Engineering publications

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