PhD theses

All Wageningen University PhD theses

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    Wageningen PhD theses


    This database contains bibliographic descriptions of all Wageningen University PhD theses from 1920 onwards. It is updated on a daily basis by WUR Library.

    Author abstracts and/or summaries are added to all descriptions. A link to the full text dissertation is added to the bibliographic description. In a few cases, no electronic version is available, mostly because of copyright issues.

    Hard copies of all theses are available for loan at WUR Library. To request them, click the link Request this publication in the full record presentation. This is a fee based service.

    mail icon WUR Library, 9 july 2012

     

Records 1 - 19 / 19

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Targets and tools for optimizing lignocellulosic biomass quality of miscanthus [PhD thesis]
Weijde, Tim van der \ 2016
miscanthus - bioethanol - biomass - biofuels - lignocellulose - fuel crops - plant breeding - cell walls - cell wall components - genetic diversity - genetic variation - biomass conversion - biobased economy

Abstract:
Miscanthus is a perennial energy grass characterized by a high productivity and resource-use efficiency, making it an ideal biomass feedstock for the production of cellulosic biofuels and a wide range of other biobased value-chains. However, the large-scale commercialization of converting biomass into cellulosic biofuel is hindered by our inability to efficiently deconstruct the plant cell wall. Overall the compendium of knowledge generated within the framework of this thesis provided insights into the variation in biomass quality properties in miscanthus, increased our understanding of the molecular, genetic and environmental factors influencing its conversion efficiency into biofuel and provided tools to exploit these factors to expand the use of miscanthus as a lignocellulose feedstock.

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Genetics and bioenergy potential of forage maize: deconstructing the cell wall [PhD thesis]
Torres, A.F. \ 2014
zea mays - maize - fodder crops - plant genetics - bioenergy - cell walls - bioethanol - bioconversion - feedstocks - fuel crops
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The role of soluble and insoluble fibers during fermentation of Chicory root pulp [PhD thesis]
Ramasamy, U.S. \ 2014
chicory - pulps - fibres - fermentation - cell wall components - polysaccharides
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Water holding capacity and enzymatic modification of pressed potato fibres [PhD thesis]
Ramasamy, U.R. \ 2014
potato pulp - potatoes - fibres - cell wall components - polysaccharides - water holding capacity - hydrolysis - enzymes
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Exocytosis and polarity in plant cells: insights by studying cellulose synthase complexes and the exocyst [PhD thesis]
Zhang, Y. \ 2012
plant cell biology - cells - exocytosis - cellulose - polarity - microtubules - cell walls - cell wall components
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Characterization of cell wall degrading enzymes from Chrysosporium lucknowense C1 and their use to degrade sugar beet pulp [PhD thesis]
Kühnel, S. \ 2011
cell wall components - microbial degradation - chrysosporium - enzymes - sugarbeet - beet pulp - biorefinery
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Analytical profiling of plant cell wall polysaccharides [PhD thesis]
Westphal, Y. \ 2010
polysaccharides - cell wall components - chemical analysis - analytical methods
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Analyzing the complex machinery of cell wall biosynthesis [PhD thesis]
Timmers, J. \ 2009
cell walls - biosynthesis - cell wall components - cellulose - xyloglucans - plants
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Mining the secretome of root-knot nematodes for cell wall modifying proteins [PhD thesis]
Roze, E.H.A. \ 2008
meloidogyne - plant parasitic nematodes - pathogenesis-related proteins - protein secretion - cell wall components - gene expression - nucleotide sequences - genetic mapping
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Characterisation of cell wall polysaccharides in bilberries and black currants [PhD thesis]
Hilz, H. \ 2007
bilberries - black currants - cell wall components - pectins - xyloglucans - characterization - enzymes - pressure treatment - berries

Abstract:
During berry juice production, polysaccharides are released from the cell walls and cause thickening and high viscosity when the berries are mashed. Consequences are a low juice yield and a poor colour. This can be prevented by the use of enzymes that degrade these polysaccharides. To use these enzymes most efficiently, the structure and composition of the cell walls had to be known. This thesis describes a detailed composition of the cell walls of bilberries and black currants. The obtained results were used to monitor changes in the cell walls during different treatments such as enzyme treatment and high pressure processing. A higher viscosity and lower juice yield after high pressure processing were assigned to changes in pectin structure and extractability. Based on this knowledge, a synergistic effect was obtained by combining high pressure processing with treatment with commercial enzyme preparations.

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Identification and characterization of some Aspergillus pectinolytic glycoside hydrolases [PhD thesis]
Zandleven, J.S. \ 2006
polygalacturonase - pectins - cell wall components - aspergillus niger - microbial degradation - arabidopsis thaliana
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The role of cell wall-modifying proteins in plant penetration and feeding site proliferation by the potato cyst nematode Globodera rostochiensis [PhD thesis]
Kudla, U. \ 2006
globodera rostochiensis - plant parasitic nematodes - cell walls - proteins - pectate lyase
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In planta modification of the potato tuber cell wall [PhD thesis]
Oomen, R. \ 2003
solanum tuberosum - potatoes - cell walls - cell wall components - genetic engineering - pectins - polygalacturonase - cellulose - enzyme activity - gene expression - plant breeding
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Structural characteristics of polysaccharides from olive fruit cell walls in relation to ripening and processing [PhD thesis]
Vierhuis, E. \ 2002
food chemistry - olives - cell wall components - polysaccharides - ripening - food processing
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Developmental changes in carbohydrate metabolism during early tuberisation of potato [PhD thesis]
Appeldoorn, N. \ 1999
potatoes - solanum tuberosum - tubers - carbohydrate metabolism - plant physiology - gene expression
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Dietary modulation of the resistance to intestinal infections [PhD thesis]
Bovee-Oudenhoven, I.M.J. \ 1998
intestinal diseases - disease resistance - health foods
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Physiology of forage maize (Zea mays L.) in relation to its production and quality [PhD thesis]
Struik, P.C. \ 1983
plant physiology - zea mays - maize - growth stages - crop growth stage

Abstract:
cum laude graduation (with distinction)

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Utilization of cellulose and hemicellulose of pig faeces by Trichoderma viride [PhD thesis]
Wit, W. de \ 1980
deuteromycotina - carbohydrates - cellulose - cell membranes - cell walls - farmyard manure - microbiology - waste treatment - waste water treatment - trichoderma viride - hemicelluloses
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Een onderzoek naar de invloed van de celmembranen en eenige andere factoren op de verteringscoefficienten [PhD thesis]
Huisman, T.J. \ 1946
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