Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Increased exopolysaccharide production in Lactococcuc lactis due to increased levels of expression of the NIZO B40 eps gene cluster
    Boels, I.C. ; Kranenburg, R. van; Kanning, M.W. ; Chong, B.F. ; Vos, W.M. de; Kleerebezem, M. - \ 2003
    Applied and Environmental Microbiology 69 (2003). - ISSN 0099-2240 - p. 5029 - 5031.
    rheological properties - functional-analysis - sugar nucleotide - biosynthesis - glycolysis
    Exopolysaccharides (EPS) play an important role in the rheology and texture of fermented food products. This is the first report demonstrating that homologous overexpression of a complete eps gene cluster in Lactococcus lactis leads to increased EPS production levels. A ninefold-elevated EPS plasmid copy number led to an almost threefold increase in the eps expression level, resulting in an almost fourfold increase in the NIZO B40 EPS production level. It was previously reported that increased EPS precursor levels did not influence NIZO B40 EPS production levels. However, the present results indicate that the maximal NIZO B40 EPS production level is limited by the activity level of the expression products of the eps gene cluster rather than by the level of EPS precursors.
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