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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    Records 1 - 12 / 12

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    Digitonin-sensitive LHCII enlarges the antenna of Photosystem I in stroma lamellae of Arabidopsis thaliana after far-red and blue-light treatment
    Bos, Peter ; Oosterwijk, Anniek ; Koehorst, Rob ; Bader, Arjen ; Philippi, John ; Amerongen, Herbert van; Wientjes, Emilie - \ 2019
    Biochimica et Biophysica Acta. B, Bioenergetics 1860 (2019)8. - ISSN 0005-2728 - p. 651 - 658.
    Excitation-energy transfer - Light-harvesting complex - Photosystem - State transition - Time-resolved fluorescence

    Light drives photosynthesis. In plants it is absorbed by light-harvesting antenna complexes associated with Photosystem I (PSI) and photosystem II (PSII). As PSI and PSII work in series, it is important that the excitation pressure on the two photosystems is balanced. When plants are exposed to illumination that overexcites PSII, a special pool of the major light-harvesting complex LHCII is phosphorylated and moves from PSII to PSI (state 2). If instead PSI is over-excited the LHCII complex is dephosphorylated and moves back to PSII (state 1). Recent findings have suggested that LHCII might also transfer energy to PSI in state 1. In this work we used a combination of biochemistry and (time-resolved) fluorescence spectroscopy to investigate the PSI antenna size in state 1 and state 2 for Arabidopsis thaliana. Our data shows that 0.7 ± 0.1 unphosphorylated LHCII trimers per PSI are present in the stroma lamellae of state-1 plants. Upon transition to state 2 the antenna size of PSI in the stroma membrane increases with phosphorylated LHCIIs to a total of 1.2 ± 0.1 LHCII trimers per PSI. Both phosphorylated and unphosphorylated LHCII function as highly efficient PSI antenna.

    High Dietary Intake of Vegetable Protein Is Associated With Lower Prevalence of Renal Function Impairment: Results of the Dutch DIALECT-1 Cohort
    Oosterwijk, Milou M. ; Soedamah-Muthu, Sabita S. ; Geleijnse, Johanna M. ; Bakker, Stephan J.L. ; Navis, Gerjan ; Binnenmars, S.H. ; Gant, Christina M. ; Laverman, Gozewijn D. - \ 2019
    Kidney International Reports 4 (2019)5. - ISSN 2468-0249 - p. 710 - 719.
    diabetes mellitus type 2 - diet - kidney function - lifestyle

    Introduction: Dietary protein intake may influence development of renal function impairment in diabetes mellitus type 2 (T2DM). We assessed the association between sources of protein and prevalence of renal function impairment. Methods: Cross-sectional analyses were performed in baseline data of 420 patients of the DIAbetes and LifEstyle Cohort Twente-1 (DIALECT-1)study. Protein intake was assessed using a Food Frequency Questionnaire, modified for accurate assessment of protein intake, including types and sources of protein. Renal function impairment was defined as estimated glomerular filtration rate (eGFR)<60 ml/min per 1.73 m 2 (Chronic Kidney Disease Epidemiology Collaboration formula). Results: Among 420 patients with T2DM, 99 renal function impairment cases were identified. Multivariate Cox proportional hazard models were used and adjusted for the main lifestyle and dietary factors. The prevalence ratios in the fully adjusted model were 1 (reference), 0.74 (95% confidence interval [CI]: 0.44–1.27; P = 0.28)and 0.47 (95% CI: 0.23–0.98; P = 0.04)according to increasing tertiles of vegetable protein intake. For animal protein intake the prevalence ratios were 1 (reference), 1.10 (95% CI: 0.64–1.88; P = 0.74)and 1.06 (95% CI: 0.56–1.99; P = 0.87)according to increasing tertiles of intake. Theoretical replacement models showed that replacing 3 energy percent from animal protein by vegetable protein lowered the prevalence ratio for the association with renal function impairment to 0.20 (95% CI: 0.06–0.63; P = 0.01). Conclusion: In conclusion, we found that higher intake of vegetable protein was associated with a lower prevalence of renal function impairment, and theoretical replacement of animal protein with vegetable protein was inversely associated with renal function impairment among patients with T2DM.

    The influence of olfactory disgust on (Genital) sexual arousal in men
    Borg, Charmaine ; Oosterwijk, Tamara A. ; Lisy, Dominika ; Boesveldt, Sanne ; Jong, Peter J. de - \ 2019
    PLoS ONE 14 (2019)2. - ISSN 1932-6203

    Background The generation or persistence of sexual arousal may be compromised when inhibitory processes such as negative emotions, outweigh sexual excitation. Disgust particularly, has been proposed as one of the emotions that may counteract sexual arousal. In support of this view, previous research has shown that disgust priming can reduce subsequent sexual arousal. As a crucial next step, this experimental study tested whether disgust (by means of odor) can also diminish sexual arousal in individuals who are already in a state of heightened sexual excitation. Methodology In this study, participants were all men (N = 78). To elicit sexual arousal, participants watched a pornographic video. Following 4.30 minutes from the start of the video clip, they were exposed to either a highly aversive/disgusting odor (n = 42), or an odorless diluent/solvent (n = 36), that was delivered via an olfactometer, while the pornographic video continued. In both conditions the presentation of the odor lasted 1 second and was repeated 11 times with intervals of 26 seconds. Sexual arousal was indexed by both self-reports and penile circumference. Principal findings The disgusting odor (released when the participants were already sexually aroused) resulted in a significant decrease of both subjective and genital sexual arousal compared to the control (odorless) condition. Significance The finding that the inhibitory effect of disgust was not only expressed in self-report but also expressed on the penile response further strengthens the idea that disgust might hamper behavioral actions motivated by sexual arousal (e.g., poor judgment, coercive sexual behavior). Thus, the current findings indicate that exposure to an aversive odor is sufficiently potent to reduce already present (subjective and) genital sexual arousal. This finding may also have practical relevance for disgust to be used as a tool for self-defence (e.g., Invi Bracelet).

    Influence of model structure on base flow estimation using BILAN FRIER and HBV-light models
    Machlica, A. ; Horvát, O. ; Horacek, S. ; Oosterwijk, J. ; Loon, A.F. van; Fendeková, M. ; Lanen, H.A.J. van - \ 2012
    Journal of Hydrology and Hydromechanics 60 (2012)4. - ISSN 0042-790X - p. 242 - 251.
    conceptual runoff model - climate-change - impact - scenarios
    Hydrological models are widely used tools to solve a broad range of hydrological issues. Each model has its own structure defining inter-relationships of hydrological balance components, and comparative differences in the models’ inner structure must be taken into account when discrepancies result from the same data. Results of base flow simulation by three different models BILAN, FRIER and HBV-light were compared based on knowledge of the models’ internal structure. It was proven that the courses of modelled parameters are quite similar, but that the respective values differ. The highest base flow values were simulated by the BILAN model, due to the threshold value of the soil moisture storage incorporated within this model’s structure. The lowest values were obtained by HBV-light model. Simulated base flow values were compared with groundwater heads and minimum monthly discharges. This comparison showed that the base flow values in the Nitra catchment at Nedožery profile simulated by BILAN and FRIER models are closer to the reality than those, simulated by HBV-light model.
    Understanding hydrological winter drought in Europe
    Loon, A.F. van; Lanen, H.A.J. van; Hisdal, H. ; Tallaksen, L.M. ; Fendekova, M. ; Oosterwijk, J. ; Horvat, O. ; Machlica, A. - \ 2010
    In: Global Change: Facing Risks and Threats to Water Resources Centre for Ecology and Hydrology, Wallingford, Oxfordshire, OX10 8BB, UK : IAHS - ISBN 9781907161131 - p. 189 - 197.
    Brandveiligheid in zicht
    Terpstra, F. ; Oosterwijk, R. ; Wagenberg, A.F. van - \ 2009
    TVVL Magazine 38 (2009)7-8. - ISSN 1380-5428 - p. 19 - 21.
    Hydrological drought characteristics of the Nedozery sub catchment, Upper Nitra, Slovakia, based on HBV Modeling, WATCH Technical
    Oosterwijk, J. ; Loon, A.F. van; Machlica, A. ; Horvát, O. ; Lanen, H.A.J. van; Fendeková, M. - \ 2009
    Wageningen : Wageningen Universiteit (Technical report / WATCH no. 20) - 105
    Wagenberg, A.F. van; Oosterwijk, R. - \ 2008
    Beveiliging 2008 (2008). - ISSN 0926-7859 - p. 28 - 28.
    Drought: climate and catchment control in various regions
    Lanen, H.A.J. van; Doeschate, A. ; Oosterwijk, J. ; Tallaksen, L. - \ 2008
    Rationale and design of a clinical trial on N-3 fatty acids and cardiac arrhythmia (SOFA)
    Brouwer, I.A. ; Katan, M.B. ; Schouten, E.G. ; Camm, A.J. ; Böcker, D. ; Hauer, R.N.W. ; Wever, E.F.D. ; Oosterwijk, C. ; Zock, P.L. - \ 2001
    In: Abstract of the 17th International congres of nutrition, August 27-31, 2001, Vienna, Austria
    Ontwerp Nederlandse Norm Facilitaire termen - Rubricering en Definiëring
    Oosterwijk, R. ; Punt, C. ; Wagenberg, A.F. van; Onel, R. ; Bree, M.J. van; Wichers Hoeth, A.W. ; Martens, O.L. - \ 2000
    Delft : Nederlands Normalisatie-Instituut - 35 p.
    Invloed van osmocote in het stekmedium op beworteling en groei van chrysantenstekken
    Hoeven, A.P. van der; Oosterwijk, J.S.M. - \ 1979
    Naaldwijk : Proefstation voor de Groenten- en Fruitteelt onder Glas (Intern verslag / Proefstation voor de Groenten- en Fruitteelt onder Glas 39) - 9
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