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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Op weg naar een duurzame aardappelteelt bij verdroging
Blom-Zandstra, M. - \ 2019
Water Matters : Kenniskatern voor Waterprofessionals - Dutch edition (2019)september. - p. 24 - 27.
Genome analysis of the marine bacterium Labrenzia sp. strain 011, a potential protective agent of mollusks
Moghaddam, Jamshid Amiri ; Dávila-Céspedes, Antonio ; Alanjary, Mohammad ; Blom, Jochen ; König, Gabriele M. ; Schäberle, Till F. - \ 2019
Data 4 (2019)1. - ISSN 2306-5729
Antimicrobial - Comparative genomics - Draft genome - Labrenzia - Oyster disease - Roseovarius crassostreae

The marine bacterium Labrenzia sp. strain 011 was isolated from the coastal sediment of Kronsgaard, Germany. The Labrenzia species are suggested to be protective agents of mollusks. Labrenzia sp. strain 011 produces specialized metabolites, which showed activity against a range of microorganisms, thereunder strong inhibitory effects against Pseudoroseovarius crassostreae DSM 16,950 (genus Roseovarius), the causative agent of oyster disease. The genome of Labrenzia sp. strain 011 was sequenced and assembled into 65 contigs, has a size of 5.1 Mbp, and a G+C content of 61.6%. A comparative genome analysis defined Labrenzia sp. strain 011 as a distinct new species within the genus Labrenzia, whereby 44% of the genome was contributed to the Labrenzia core genome. The genomic data provided here is expected to contribute to a deeper understanding of the mollusk-protective role of Labrenzia spp.

Prebiotic oligosaccharides in early life alter gut microbiome development in male mice while supporting influenza vaccination responses
Elsen, L.W.J. van den; Tims, S. ; Jones, A.M. ; Stewart, A. ; Stahl, B. ; Garssen, J. ; Knol, J. ; Forbes-Blom, E.E. ; van’t Land, B. - \ 2019
Beneficial Microbes 10 (2019)3. - ISSN 1876-2883 - p. 279 - 291.
Antibody - Gender - HMOS - Microbiota - TIV

Beneficial modulation of the gut microbiota is an attractive therapeutic approach to improve the efficacy of vaccine-induced immunity. In this study, mice were supplemented with the prebiotic milk oligosaccharide 2’-fucosyllactose (2’FL) as well as a complex mixture of immune modulatory prebiotic short-chain galacto-oligosaccharides and long-chain fructo-oligosaccharides (scGOS/lcFOS) from different stages in early life. Adult mice were vaccinated with trivalent influenza vaccine (TIV) and both development of the gut microbiota and antibody-mediated vaccine responses were followed over time. Within the control group, female mice demonstrated a larger antibody response to TIV vaccination than male mice, which was accompanied by enhanced cytokine production by splenocytes and a higher percentage of plasma cells in skin draining lymph nodes. In addition, the prebiotic diet improved vaccine-specific antibody responses in male mice. Introduction of prebiotics into the diet modulated the gut microbiota composition and at the genus level several bacterial groups showed a significant interaction effect which potentially contributed to the immunological effects observed. This study provides insight in the effect of scGOS/lcFOS/2’FL in influenza vaccination antibody production.

Plaagbeheersing in de biologische spruitkoolteelt
Blom, Marian ; Brandemann, Jantine ; Huiting, H.F. ; Maarl, Cok van der - \ 2019
Biokennis bericht 39 (2019). - 4 p.
Plant-derived polyunsaturated fatty acids and markers of glucose metabolism and insulin resistance : A meta-analysis of randomized controlled feeding trials
Wanders, Anne J. ; Blom, Wendy A.M. ; Zock, Peter L. ; Geleijnse, Johanna M. ; Brouwer, Ingeborg A. ; Alssema, Marjan - \ 2019
BMJ Open Diabetes Research and Care 7 (2019)1. - ISSN 2052-4897
dietary fat - glucose metabolism - insulin resistance - Linoleic acid - meta-analysis

The objective of this meta-analysis was to investigate the effects of plant-derived polyunsaturated fatty acids (PUFAs) on glucose metabolism and insulin resistance. Scopus and PubMed databases were searched until January 2018. Eligible studies were randomized controlled feeding trials that investigated the effects of a diet high in plant-derived PUFA as compared with saturated fatty acids (SFA) or carbohydrates and measured markers of glucose metabolism and insulin resistance as outcomes. Data from 13 relevant studies (19 comparisons of plant-derived PUFA with control) were retrieved. Plant-derived PUFA did not significantly affect fasting glucose (-0.01 mmol/L (95 % CI - 0.06 to 0.03 mmol/L)), but lowered fasting insulin by 2.6 pmol/L (-4.9 to -0.2 pmol/L) and homeostatic model assessment-insulin resistance (HOMA-IR) by 0.12 units (-0.23 to - 0.01 units). In dose-response analyses, a 5% increase in energy (En%) from PUFA significantly reduced insulin by 5.8 pmol/L (95% CI -10.2 to -1.3 pmol/L), but not glucose (change -0.07, 95% CI -0.17 to 0.04 mmol/L) and HOMA-IR (change - 0.24, 95% CI -0.56 to 0.07 units). In subgroup analyses, studies with higher PUFA dose (upper tertiles) reduced insulin (-6.7, -10.5 to -2.9 pmol/L) and HOMA-IR (-0.28, -0.45 to -0.12 units), but not glucose (-0.09, 95% CI -0.18 to 0.01 mmol/L), as compared with an isocaloric control. Subgroup analyses showed no differences in effects between SFA and carbohydrates as replacement nutrients (p interaction ≥0.05). Evidence from randomized controlled trials indicated that plant-derived PUFA as an isocaloric replacement for SFA or carbohydrates probably reduces fasting insulin and HOMA-IR in populations without diabetes.

Key Conditions of Adaptive Governance for Resilient Urban Areas: Insights from the Markermeer-IJmeer Region in the Amsterdam Metropole Region, the Netherlands
Stuiver, M. ; Groot, Annemarie ; Slobbe, Erik van; Blom-Zandstra, E.M. ; Korevaar, H. ; Soma, K. - \ 2019
Environmental Management and Sustainable Development 8 (2019)1. - ISSN 2164-7682 - p. 127 - 146.
Climate change, ecological degradation and socio-economic developments are increasingly putting pressure on people’s living environments. Societies, regions and cities need to increase their resilience through adaptive governance, which is their capacity to adapt to changing relationships between society and ecosystems. In this article, we explore how three core conditions for adaptive governance, referred to as; 1) discourse arenas, 2) epistemic networks and 3) leadership, have proved to be useful in the shaping of the Markermeer-IJmeer region, part of the Amsterdam Metropole Region in the Netherlands. We find that discourse arenas and epistemic networks have set the scene for societal actors to invest in a sustainable transformation of the area. Moreover, they were a push factor for the transformation of opinions how to govern and plan the area. Actors identified links to overcome the division between socio-economic development and environmental conservation in the Amsterdam Metropole region. Actors from the industry took steps to include nature conservation. We recommend that adaptive governance should be enhanced with notions such as discourse, learning, trust, responsibility and leadership in future research and policy making for resilient urban areas
Hox gene expression profiles during embryonic development of common sole
Kavouras, Menelaos ; Malandrakis, Emmanouil E. ; Golomazou, Eleni ; Konstantinidis, Ioannis ; Blom, Ewout ; Palstra, Arjan P. ; Anastassiadis, Konstantinos ; Panagiotaki, Panagiota ; Exadactylos, Athanasios - \ 2019
Animal Biology 69 (2019)2. - ISSN 1570-7555 - 16 p.
Broodstock - egg quality - homeobox genes - reproduction - Solea solea
Common sole (Solea solea) aquaculture production is based mostly on wild-caught breeders. Recently, the successful reproduction of first-generation fish that were reared in captivity was accomplished. A consistent good quality and quantity of produced eggs throughout the year, and of next-generationbroodstock, is important for reducing the overall cost of production. Hox genes play a pivotal role in normal embryonic development and alterations of their temporal expression level may be important for egg viability. Expression profile analysis of five hox genes (hoxa1a, hoxa2a, hoxa2b, hoxb1a and hoxb1b) involved in early embryonic development and of hoxa13a, which is involved in late stages, was carried out. Results revealed a premature and/or maternal expression of hoxa13a in sole embryos,and the detection of hoxa2a and hoxa2b genes as members of paralog group 2. Principal Component Analysis of hox gene expression in 54 ± 6 hours post fertilization embryos coming from wild-caught broodstock and a first-generation one reared in the hatchery, unveiled that these broodstocks are clearly distinct. In addition, their pairwise comparison revealed significant differences in the expression levels of hoxb1a and hoxb1b genes. Hox gene regulation during embryonic development could give valuable insight into rearing sole broodstocks with different origin in concert, and also into gaining a steady mass production of eggs, either in quality or quantity, all year round.
Ontwerpen op de groei
Brinkhuijsen, M. ; Hellemondt, Imke van - \ 2018
In: De groene horizon / Horlings, Harma, Blom, Anita, THOTH - ISBN 9789068687668 - p. 64 - 91.
Herring larvae surveys 2017 : survey reports and results
Damme, C.J.G. van; Blom, E. ; Vries, M. de - \ 2018
Wageningen Marine Research (Report / Wageningen Marine Research Report 18.008) - 28 p.
Meer aardappels met minder water dankzij slimme irrigatie en andere rassen
Blom-Zandstra, Greet - \ 2018
Droogte: Hoe stoppen we de verzilting van Nederland?
Blom-Zandstra, Greet - \ 2018
Living with salinity in potato crops
Blom-Zandstra, Greet - \ 2018
Tomato value chain analysis in Tunisia : business opportunities : Business opportunities
Soethoudt, Han ; Blom-Zandstra, Greet ; Axmann, Heike - \ 2018
Wageningen : Wageningen Food and Biobased Research (Wageningen Food and Biobased Research report WFBR-1830) - ISBN 9789463432955 - 41
Dairy value chain analysis in Tunisia : Business opportunities
Soethoudt, Han ; Blom-Zandstra, Greet ; Axmann, Heike - \ 2018
Wageningen : Wageningen Food and Biobased Research (Wageningen Food and Biobased Research report WFBR-1829) - ISBN 9789463430029 - 42
Value chain analysis of the potato sector in Tunisia : Business opportunities
Blom-Zandstra, Greet ; Soethoudt, Han ; Axmann, Heike - \ 2018
Wageningen : Wageningen Plant Research, Business Unit Agrosystems Research (Wageningen Plant Research report WPR-804) - 39
Balans van de Leefomgeving 2018 : Nederland duurzaam vernieuwen
Egmond, Petra van; Elzenga, Hans ; Buitelaar, Edwin ; Eerdt, Martha van; Eskinasi, Martijn ; Franken, Ron ; Gaalen, Frank van; Hanemaaijer, Aldert ; Hilbers, Hans ; Hollander, Guus de; Nijland, Hans ; Ritsema van Eck, Jan ; Ros, Jan ; Schilder, Frans ; Spoon, Martijn ; Uitbeijerse, Gabrielle ; Wouden, Ries van der; Vonk, Marijke ; Vugteveen, Pim ; Goossen, Martijn ; Blom, Wim ; Bredenoord, Hendrien ; Brink, Thelma van den; Evers, David ; Doren, Didi van; Grinsven, Hans van; Hinsberg, Arjen van; Muilwijk, Hanneke ; Oorschot, Mark van; Peeters, Jeroen ; Puijenbroek, Peter van; Raspe, Otto ; Rijn, Frank van; Schijndel, Marian van; Sluis, Sietske van der; Sorel, Niels ; Timmerhuis, Jacqueline ; Verwest, Femke ; Westhoek, Henk ; Sanders, Marlies ; Dirkx, Joep - \ 2018
Den Haag : Planbureau voor de Leefomgeving - 284
Eco-innovation for sustainable tourism transitions as a process of collaborative co-production: the case of a carbon management calculator for the Dutch travel industry
Buijtendijk, Harald ; Blom, Juultje ; Vermeer, Jorien ; Duim, V.R. van der - \ 2018
Journal of Sustainable Tourism 26 (2018)7. - ISSN 0966-9582 - p. 1222 - 1240.
Eco-innovations that reduce carbon emissions help advance sustainability
transitions in tourism. This article examines the analytical potential of actor-
network theory (ANT) to study eco-innovation. ANT assumes that reality
consists of actor-networks made of human and non-human elements that
perform actors as network effects. We argue that, in a time when climate
change is the simultaneous product and producer of human actions, eco-
innovation is better understood when research gives the human and non-
human elements that perform eco-innovations equal analytical treatment.
We therefore develop an ANT-inspired framework, which we apply in a
case study to investigate the development of a specific eco-innovation:
CARMACAL, a web-based carbon management application in the Dutch
travel industry. We find that technological novelty alone is insufficient to
instigate transition. CARMACAL affords multiple new practices with oppos-
ite implications for socio-economic and environmental sustainability. The
practices triggering most industry support are least effective in addressing
tourism's climate impacts and vice versa. Examining eco-innovation
through ANT helps us put eco-innovation in a different light. Seemingly
contradictory practices may be mutually supportive: their individual
strengths and weaknesses may help prevent the failure of eco-innovations.
This new possibility opens the way for concerted policies strengthening the
contribution of eco-innovations to sustainability transitions.
Zouttolerantie van gewassen afhankelijk van het groeistadium? : Resultaten van een literatuuronderzoek
Bakel, P.J.T. van; Blom-Zandstra, M. ; Stuyt, L.C.P.M. - \ 2018
Wageningen : Wageningen Environmental Research (Wageningen Environmental Research rapport 2897) - 43
In order to answer the question to what extent the salt tolerance of agricultural crops is growth stage dependent, a literature study has been carried out. For the plant’s reaction to salt in the root zone, various mechanisms are responsible. They can be summarized in an osmotic effect and an ion effect, each with their own dynamics. The variability of salt tolerance at successive growth stages can only be addressed qualitatively. The lack of data collected under Dutch growth conditions means that cropwise quantification is not possible, and application in water management is problematic. New experiments are needed to get a finger behind the ‘genesis history’ of salt damage.
Stripping away the soil : Plant growth promoting microbiology opportunities in aquaponics
Bartelme, Ryan P. ; Oyserman, Ben O. ; Blom, Jesse E. ; Sepulveda-Villet, Osvaldo J. ; Newton, Ryan J. - \ 2018
Frontiers in Microbiology 9 (2018)JAN. - ISSN 1664-302X
Aquaponics - Chlorosis - Microbiome - Plant growth promoting microorganisms - Recirculating aquaculture - Rhizosphere
As the processes facilitated by plant growth promoting microorganisms (PGPMs) become better characterized, it is evident that PGPMs may be critical for successful sustainable agricultural practices. Microbes enrich plant growth through various mechanisms, such as enhancing resistance to disease and drought, producing beneficial molecules, and supplying nutrients and trace metals to the plant rhizosphere. Previous studies of PGPMs have focused primarily on soil-based crops. In contrast, aquaponics is a water-based agricultural system, in which production relies upon internal nutrient recycling to co-cultivate plants with fish. This arrangement has management benefits compared to soil-based agriculture, as system components may be designed to directly harness microbial processes that make nutrients bioavailable to plants in downstream components. However, aquaponic systems also present unique management challenges. Microbes may compete with plants for certain micronutrients, such as iron, which makes exogenous supplementation necessary, adding production cost and process complexity, and limiting profitability and system sustainability. Research on PGPMs in aquaponic systems currently lags behind traditional agricultural systems, however, it is clear that certain parallels in nutrient use and plant-microbe interactions are retained from soil-based agricultural systems.
Laser welding of pre-functionalized glass substrates : A fabrication and chemical stability study
Carvalho, R.R. ; Reuvekamp, S. ; Zuilhof, H. ; Blom, M.T. ; Vrouwe, E.X. - \ 2018
Journal of Micromechanics and Microengineering 28 (2018)1. - ISSN 0960-1317
glass - laser welding - low temperature bonding - microfluidics
Low-temperature bonding of glass substrates is of great interest in the field of microfluidic-based biosensing, and we study how laser welding could be used for this. This technology allows for the modification of glass channels with temperature-sensitive materials prior to bonding. We study the effects of the welding process by investigation of the thermal degradation of a biotin monolayer and whether it retains the ability to conjugate with fluorescently-labelled streptavidin.
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