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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    Institutional Changes and Changing Political Consumerism in China
    Lei, Zhang ; Liu, Wenling ; Oosterveer, P.J.M. - \ 2018
    In: The Oxford Handbook of Political Consumerism / Boström, Magnus, Micheletti, Michele, Oosterveer, Peter, Oxford University Press - ISBN 9780190629038
    consumerism - institutional changes - behavioral change - consumption transitions - food - energy
    The growth of consumption is one of the most impressive social changes in contemporary China. This transformation is driven and shaped by the forces of globalization, economic growth, political modernization, the emerging middle class, industrialization/urbanization, advances in information and communication technologies, and sustainability challenges. Given China’s unique historical, cultural, and institutional context, it is highly interesting to assess the relevance of the concept of political consumerism in China. This chapter analyzes how institutional changes are shaping consumer politics and how political consumerism affects the development of governance in China. Two important consumption domains, food and energy, are used to explore what occurred in the particular context of rapidly transforming China. The conclusion discusses the question of whether the increased buying power of Chinese consumers will actually be used to address environmental and safety concerns.
    Political Consumerism and the Social Practice Perspective
    Oosterveer, P.J.M. ; Spaargaren, G. ; Kloppenburg, S. - \ 2018
    In: The Oxford Handbook of Political Consumerism / Boström, Magnus, Micheletti, Michele, Oosterveer, Peter, Oxford University Press - ISBN 9780190629038
    practice-arrangement bundles - reflexive agency - meso dynamics of social change - consumption junction - governing practices
    Social practice approaches, developed in sociology, contribute to the study of political consumerism by moving away from individual accounts of political consumerism and towards the study of everyday practices and their changes. This chapter presents the main conceptual tools and empirical orientations and connects these with political consumerism thinking. This leads to a focus on social practices, the embeddedness of different social practices, and the roles of power and information. This framework is then applied in empirical examples of energy, food, and mobility to illustrate the additional insights that social practices can contribute to political consumerism. The conclusion explores how social practice approaches can contribute to a better understanding of dynamics of agency, power, and change in everyday consumption.
    Political Consumerism: Research Challenges and Future Directions
    Boström, Magnus ; Micheletti, Michele ; Oosterveer, P.J.M. - \ 2018
    In: The Oxford Handbook of Political Consumerism / Boström, Magnus, Micheletti, Michele, Oosterveer, Peter, Oxford University Press - ISBN 9780190629038
    political consumerism - consumer research design - industry sectors - hybridization - supply and demand - infrastructure - moral dilemmas - democracy - religion - nationalism - research design
    This chapter highlights The Oxford Handbook of Political Consumerism’s most interesting findings and identifies major characteristics and conceptual/methodological topics for advancing research on the phenomenon of political consumerism. It emphasizes how scholars study the phenomenon’s multidimensionality in a more fragmented context and explains differences in the forms and spread of political consumerism across industry sectors. The wide diversity in the forms and spread of political consumerism across countries and regions is related to political and cultural traditions, levels of economic development, and the role of social media. The Handbook also puts stress on how all four forms of political consumerism are involved in democratically problematic types of political consumerism. Political consumerism’s effectiveness is evaluated from several perspectives along with a recommendation for further study of input, output, and outcome aspects. The chapter encourages new studies on undemocratic types of political consumerism as well as investigations into the absence of political consumerism in certain countries and industry sectors. All this requires innovative methodology, new theoretical conceptualization, and cross-disciplinary work.” through innovative methodology, conceptualization, and cross-disciplinary work.
    Studying Political Consumerism
    Boström, M. ; Micheletti, Michele ; Oosterveer, P.J.M. - \ 2018
    In: The Oxford Handbook of Political Consumerism / Boström, Magnus, Micheletti, Michele, Oosterveer, Peter, Oxford University Press - ISBN 9780190629038
    political consumerism - political consumer research - industry sectors - consumer roles - community building - mass consumption - consumer culture - consumer policy
    The Oxford Handbook of Political Consumerism addresses the study of political consumerism. It discusses how production and consumption affect broader societal affairs at home and abroad, and how the phenomenon of political consumerism has developed in different directions—geographically, conceptually, and methodologically—and in multiple sectors, at multiple levels, and involving multiple disciplines. Its varieties create challenges for scholars to make sense of the phenomenon. Critical questions arise about its appropriate conceptual framing and methodologies. This introductory chapter defines and elaborates upon political consumerism and its four forms (boycotts, buycotts, discursive actions, and lifestyle endeavors). It offers an overview of the Handbook’s six thematic parts: political consumerism’s history, its theory and research design, its presence in major industry sectors, its global geographic spread and practice, its democratic paradoxes and challenges, and its problem-solving potential. This chapter also provides summaries and reviews of the Handbook’s thirty-nine chapters.
    Tracing Political Consumerism in Africa and the Middle East
    Oosterveer, P.J.M. ; Glin, L. ; Micheletti, Michele - \ 2018
    In: The Oxford Handbook of Political Consumerism / Boström, Magnus, Micheletti, Michele, Oosterveer, Peter, Oxford University Press - ISBN 9780190629038
    global supply chains - conspicuous consumption - organic agriculture - Fairtrade - religion
    This chapter provides an overview of political consumerism in Africa and the Middle East. Regarding the African continent, consumption is discussed in terms of lifestyle issues related to corruption and Western consumer cultures. In the Middle East and North Africa, political consumerism is closely related to religious controversies. Africa is also central in various global supply chains, such as those for food and minerals, which engage political consumerism activists in other parts of the world. This chapter uses the cases of organic food and Fairtrade to examine the roles of local producers, citizens, and civil society organizations in these global networks. The conclusion discusses specific characteristics of political consumerism in the region and questions whether (future) economic development will have an impact on political consumerism in Africa.
    Political Consumerism for Sustainable Tourism: A Review
    Lamers, M.A.J. ; Nawijn, Jeroen ; Eijgelaar, Eke - \ 2018
    In: The Oxford Handbook of Political Consumerism / Boström, Magnus, Micheletti, Michelle, Oosterveer, Peter, Oxford University Press (Oxford Handbook Online ) - ISBN 9780190629038 - 21 p.
    tourism - sustainability - political consumerism - carbon - inconsistency - home and away gap - social practices
    Over the last decades a substantial and growing societal and academic interest has emerged for the development of sustainable tourism. Scholars have highlighted the contribution of tourism to global environmental change and to local, detrimental social and environmental effects as well as to ways in which tourism contributes to nature conservation. Nevertheless the role of tourist consumers in driving sustainable tourism has remained unconvincing and inconsistent. This chapter reviews the constraints and opportunities of political consumerism for sustainable tourism. The discussion covers stronger pockets and a key weak pocket of political consumerism for sustainable tourism
    and also highlights inconsistencies in sustainable tourism consumption by drawing on a range of social theory arguments and possible solutions. The chapter concludes with an agenda for future research on this topic.
    The Shifting Politics of Sustainable Seafood Consumerism
    Bush, S.R. ; Roheim, C.A. - \ 2018
    In: The Oxford Handbook of Political Consumerism / Boström, Magnus, Micheletti, Michele, Oosterveer, Peter, Oxford University Press (Oxford Handbook Online ) - ISBN 9780190629038 - 22 p.
    fisheries - aquaculture - environment - governance - value chains - social movements
    Seafood has emerged as a key testing ground for understanding the role of different value chain actors in driving sustainability. The conventional view, developed in the late 1990s, is that sustainable seafood is driven by the choices and practices of consumers in major importing markets, such as the United States and the European Union. This view led to the development of a range of boycott and buycott initiatives in the 2000s. Many of the buycott initiatives have been formalised into consumer-facing tools, such as certification, recommendation lists, and traceability. More recently celebrity chefs have also joined in, shaping sustainable seafood as cuisine. While these initiatives and tools initially assumed a demand-shapes-supply mode of political consumerism, they have all
    broadened to include multiple modes of political consumerism. The future of the
    sustainable seafood movement is therefore dependent on a clearer articulation of diverse modes of political consumerism.
    Discovering peach QTLs with multiple progeny analysis
    Mora, J.R.H. ; Micheletti, D. ; Bink, M.C.A.M. ; Weg, W.E. van de; Bassi, Daniele ; Nazzicari, Nelson ; Caprera, Andrea ; Dettori, Maria Teresa ; Micali, Sabrina ; Dirlewanger, E. ; Lambert, Patrick ; Pascal, Thierry ; Banchi, E. ; Troggio, M. ; Rossini, Laura ; Verde, Ignazio ; Quilot-Turion, Bénédicte ; Laurens, F. ; Arús, Pere ; Aranzana, M.J. - \ 2017
    In: 14th EUCARPIA Symposium on Fruit Breeding and Genetics International Society for Horticultural Science (Acta Horticulturae ) - ISBN 9789462611689 - p. 405 - 410.
    FlexQTL - FruitBreedomics - Joint progeny analysis - Maturity date - Percentage of skin color
    Although many peach QTLs responsible for the variability of traits have been identified and published so far, the number of molecular markers currently used in breeding is still limited. One of the reasons is the large QTL intervals produced, in part, by the limited progeny size. Here we report a QTL mapping approach that enlarges the progeny size by analyzing jointly multiple progenies. Our analysis included 1467 individuals from eighteen Prunus progenies, 13 from intra-specific crosses and five inter-specific between peach and closely related species. The progenies were grown in five locations, with no duplication between orchards. Data from phenology, tree, flower and fruit traits, fruit quality and yield measured in different locations and years were subjected to different standardization methods and integrated in a single data file. The populations were genotyped with the 9K SNP Illumina array, which increased considerably the marker density compared to previous studies. The QTL analysis was conducted with FlexQTLTM software. Here we describe and discuss the preliminary QTLs obtained for some of the traits analyzed (maturity date, percentage of red skin color and soluble solid content). The identification of donors of favorable alleles will represent an important tool for marker-assisted breeding. This study has been conducted in the frame of the Fruit Breedomics European project.
    Integrated QTL detection for key breeding traits in multiple peach progenies
    Hernández Mora, José R. ; Micheletti, Diego ; Bink, Marco ; Weg, Eric Van de; Cantín, Celia ; Nazzicari, Nelson ; Caprera, Andrea ; Dettori, Maria Teresa ; Micali, Sabrina ; Banchi, Elisa ; Campoy, José Antonio ; Dirlewanger, Elisabeth ; Lambert, Patrick ; Pascal, Thierry ; Troggio, Michela ; Bassi, Daniele ; Rossini, Laura ; Verde, Ignazio ; Quilot-Turion, Bénédicte ; Laurens, François ; Arús, Pere ; Aranzana, Maria José - \ 2017
    BMC Genomics 18 (2017). - ISSN 1471-2164 - 15 p.
    FlexQTL - PBA - Peach breeding - Peach QTL - Pedigre-based Analysis

    Background: Peach (Prunus persica (L.) Batsch) is a major temperate fruit crop with an intense breeding activity. Breeding is facilitated by knowledge of the inheritance of the key traits that are often of a quantitative nature. QTLs have traditionally been studied using the phenotype of a single progeny (usually a full-sib progeny) and the correlation with a set of markers covering its genome. This approach has allowed the identification of various genes and QTLs but is limited by the small numbers of individuals used and by the narrow transect of the variability analyzed. In this article we propose the use of a multi-progeny mapping strategy that used pedigree information and Bayesian approaches that supports a more precise and complete survey of the available genetic variability. Results: Seven key agronomic characters (data from 1 to 3 years) were analyzed in 18 progenies from crosses between occidental commercial genotypes and various exotic lines including accessions of other Prunus species. A total of 1467 plants from these progenies were genotyped with a 9 k SNP array. Forty-seven QTLs were identified, 22 coinciding with major genes and QTLs that have been consistently found in the same populations when studied individually and 25 were new. A substantial part of the QTLs observed (47%) would not have been detected in crosses between only commercial materials, showing the high value of exotic lines as a source of novel alleles for the commercial gene pool. Our strategy also provided estimations on the narrow sense heritability of each character, and the estimation of the QTL genotypes of each parent for the different QTLs and their breeding value. Conclusions: The integrated strategy used provides a broader and more accurate picture of the variability available for peach breeding with the identification of many new QTLs, information on the sources of the alleles of interest and the breeding values of the potential donors of such valuable alleles. These results are first-hand information for breeders and a step forward towards the implementation of DNA-informed strategies to facilitate selection of new cultivars with improved productivity and quality.

    High-quality de novo assembly of the apple genome and methylome dynamics of early fruit development
    Daccord, Nicolas ; Celton, Jean-Marc ; Linsmith, Gareth ; Becker, Claude ; Choisne, Nathalie ; Schijlen, Elio ; Geest, Henri van de; Bianco, Luca ; Micheletti, Diego ; Velasco, Riccardo ; Pierro, Erica Adele Di; Gouzy, Jérôme ; Rees, D.J.G. ; Guérif, Philippe ; Muranty, Hélène ; Durel, Charles Eric ; Laurens, François ; Lespinasse, Yves ; Gaillard, Sylvain ; Aubourg, Sébastien ; Quesneville, Hadi ; Weigel, Detlef ; Weg, Eric van de; Troggio, Michela ; Bucher, Etienne - \ 2017
    Nature Genetics 49 (2017)7. - ISSN 1061-4036 - p. 1099 - 1106.
    Using the latest sequencing and optical mapping technologies, we have produced a high-quality de novo assembly of the apple (Malus domestica Borkh.) genome. Repeat sequences, which represented over half of the assembly, provided an unprecedented opportunity to investigate the uncharacterized regions of a tree genome; we identified a new hyper-repetitive retrotransposon sequence that was over-represented in heterochromatic regions and estimated that a major burst of different transposable elements (TEs) occurred 21 million years ago. Notably, the timing of this TE burst coincided with the uplift of the Tian Shan mountains, which is thought to be the center of the location where the apple originated, suggesting that TEs and associated processes may have contributed to the diversification of the apple ancestor and possibly to its divergence from pear. Finally, genome-wide DNA methylation data suggest that epigenetic marks may contribute to agronomically relevant aspects, such as apple fruit development.
    Development and validation of the Axiom®Apple480K SNP genotyping array
    Bianco, Luca ; Cestaro, Alessandro ; Linsmith, Gareth ; Muranty, Hélène ; Denancé, Caroline ; Théron, Anthony ; Poncet, Charles ; Micheletti, Diego ; Kerschbamer, Emanuela ; Pierro, Erica A. Di; Larger, Simone ; Pindo, Massimo ; De Weg, Eric Van; Davassi, Alessandro ; Laurens, François ; Velasco, Riccardo ; Durel, Charles Eric ; Troggio, Michela - \ 2016
    The Plant Journal 86 (2016)1. - ISSN 0960-7412 - p. 62 - 74.
    genome-wide association study - genotyping - linkage mapping - Malus × domestica Borkh. - SNP chip - validation

    Cultivated apple (Malus × domestica Borkh.) is one of the most important fruit crops in temperate regions, and has great economic and cultural value. The apple genome is highly heterozygous and has undergone a recent duplication which, combined with a rapid linkage disequilibrium decay, makes it difficult to perform genome-wide association (GWA) studies. Single nucleotide polymorphism arrays offer highly multiplexed assays at a relatively low cost per data point and can be a valid tool for the identification of the markers associated with traits of interest. Here, we describe the development and validation of a 487K SNP Affymetrix Axiom® genotyping array for apple and discuss its potential applications. The array has been built from the high-depth resequencing of 63 different cultivars covering most of the genetic diversity in cultivated apple. The SNPs were chosen by applying a focal points approach to enrich genic regions, but also to reach a uniform coverage of non-genic regions. A total of 1324 apple accessions, including the 92 progenies of two mapping populations, have been genotyped with the Axiom®Apple480K to assess the effectiveness of the array. A large majority of SNPs (359 994 or 74%) fell in the stringent class of poly high resolution polymorphisms. We also devised a filtering procedure to identify a subset of 275K very robust markers that can be safely used for germplasm surveys in apple. The Axiom®Apple480K has now been commercially released both for public and proprietary use and will likely be a reference tool for GWA studies in apple.

    ASSIsT: An Automatic SNP ScorIng Tool for in- and outbreeding species
    Guardo, M. Di; Micheletti, D. ; Bianco, L. ; Koehorst-van Putten, H.J.J. ; Longhi, S. ; Costa, F. ; Aranzana, M.J. ; Velasco, R. ; Arus, P. ; Troggio, M. ; Weg, W.E. van de - \ 2015
    Bioinformatics 31 (2015)23. - ISSN 1367-4803 - p. 3873 - 3874.
    ASSIsT (Automatic SNP ScorIng Tool) is a user-friendly customized pipeline for efficient calling and filtering of SNPs from Illumina Infinium arrays, specifically devised for custom genotyping arrays. Illumina has developed an integrated software for SNP data visualization and inspection called GenomeStudio® (GS).ASSIsT builds on GS derived data and identifies those markers that follow a bi-allelic genetic model and show reliable genotype calls. Moreover, ASSIsT re-edits SNP calls with null alleles or additional SNPs in the probe annealing site. ASSIsT can be employed in the analysis of different population types such as full-sib families and mating schemes used in the plant kingdom (backcross, F1, F2), and unrelated individuals. The final result can be directly exported in the format required by the most common software for genetic mapping and marker-trait association analysis. ASSIsT is developed in Python and runs in Windows and Linux.
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