Esther J Kok

Summary

Affiliation: Wageningen University
Country: The Netherlands

Publications

  1. ncbi Comparison and transfer testing of multiplex ligation detection methods for GM plants
    Gabriella Ujhelyi
    RIKILT Institute of Food Safety WUR, Akkermaalsbos 2, 6708 WB Wageningen, The Netherlands
    BMC Biotechnol 12:4. 2012
  2. ncbi Comparative safety assessment of plant-derived foods
    E J Kok
    RIKILT Institute of Food Safety, Bornsesteeg 45, PO Box 230, 6700 AE Wageningen, The Netherlands
    Regul Toxicol Pharmacol 50:98-113. 2008
  3. ncbi Assessment of representational difference analysis (RDA) to construct informative cDNA microarrays for gene expression analysis of species with limited transcriptome information, using red and green tomatoes as a model
    Esther J Kok
    RIKILT Institute for Food Safety, Bornsesteeg 45, 6700 AE Wageningen, The Netherlands
    J Plant Physiol 164:337-49. 2007
  4. ncbi Comparative safety assessment for biotech crops
    Esther J Kok
    RIKILT Institute for Food Safety, Bornsesteeg 45, PO Box 230, 6700 AE Wageningen, The Netherlands
    Trends Biotechnol 21:439-44. 2003
  5. ncbi Exploitation of molecular profiling techniques for GM food safety assessment
    Harry A Kuiper
    RIKILT, Institute of Food Safety, PO Box 230, 6700 AE, Wageningen, The Netherlands
    Curr Opin Biotechnol 14:238-43. 2003
  6. ncbi Optimised padlock probe ligation and microarray detection of multiple (non-authorised) GMOs in a single reaction
    Theo W Prins
    RIKILT Institute of Food Safety WUR, Bornsesteeg 45, 6708 PD Wageningen, The Netherlands
    BMC Genomics 9:584. 2008
  7. ncbi Development of a multiplex DNA-based traceability tool for crop plant materials
    Marleen M Voorhuijzen
    RIKILT Institute of Food Safety, Wageningen UR, Wageningen, The Netherlands
    Anal Bioanal Chem 402:693-701. 2012
  8. ncbi Substantial equivalence--an appropriate paradigm for the safety assessment of genetically modified foods?
    Harry A Kuiper
    RIKILT, Wageningen University and Research Center, P O Box 230, 6700 AE Wageningen, The Netherlands
    Toxicology 181:427-31. 2002
  9. ncbi Increased efficacy for in-house validation of real-time PCR GMO detection methods
    I M J Scholtens
    RIKILT Institute of Food Safety, Wageningen University and Research Centre, P O Box 230, 6700 AE Wageningen, The Netherlands
    Anal Bioanal Chem 396:2213-27. 2010
  10. ncbi Timely awareness and prevention of emerging chemical and biochemical risks in foods: proposal for a strategy based on experience with recent cases
    G A Kleter
    RIKILT Institute of Food Safety, Wageningen University and Research Center, P O Box 230, NL 6700 AE Wageningen, The Netherlands
    Food Chem Toxicol 47:992-1008. 2009

Collaborators

Detail Information

Publications17

  1. ncbi Comparison and transfer testing of multiplex ligation detection methods for GM plants
    Gabriella Ujhelyi
    RIKILT Institute of Food Safety WUR, Akkermaalsbos 2, 6708 WB Wageningen, The Netherlands
    BMC Biotechnol 12:4. 2012
    ..Sensitivity and the specificity of the padlock probes (PLPs) with the ligation protocol with the best performance were also tested and the selected method was initially validated in a laboratory exchange study...
  2. ncbi Comparative safety assessment of plant-derived foods
    E J Kok
    RIKILT Institute of Food Safety, Bornsesteeg 45, PO Box 230, 6700 AE Wageningen, The Netherlands
    Regul Toxicol Pharmacol 50:98-113. 2008
    ..We propose to develop a general screening frame for all newly developed plant varieties to select varieties that cannot, on the basis of scientific criteria, be considered as safe as plant varieties that are already on the market...
  3. ncbi Assessment of representational difference analysis (RDA) to construct informative cDNA microarrays for gene expression analysis of species with limited transcriptome information, using red and green tomatoes as a model
    Esther J Kok
    RIKILT Institute for Food Safety, Bornsesteeg 45, 6700 AE Wageningen, The Netherlands
    J Plant Physiol 164:337-49. 2007
    ..Further, known and putative ripening-related cDNAs were identified in hybridisation experiments on the basis of RNA populations as isolated from the green and red stage of ripening...
  4. ncbi Comparative safety assessment for biotech crops
    Esther J Kok
    RIKILT Institute for Food Safety, Bornsesteeg 45, PO Box 230, 6700 AE Wageningen, The Netherlands
    Trends Biotechnol 21:439-44. 2003
  5. ncbi Exploitation of molecular profiling techniques for GM food safety assessment
    Harry A Kuiper
    RIKILT, Institute of Food Safety, PO Box 230, 6700 AE, Wageningen, The Netherlands
    Curr Opin Biotechnol 14:238-43. 2003
    ....
  6. ncbi Optimised padlock probe ligation and microarray detection of multiple (non-authorised) GMOs in a single reaction
    Theo W Prins
    RIKILT Institute of Food Safety WUR, Bornsesteeg 45, 6708 PD Wageningen, The Netherlands
    BMC Genomics 9:584. 2008
    ..As a result of this increase GMO laboratories currently need to apply many different methods to establish to potential presence of NAGs in raw materials and complex derived products...
  7. ncbi Development of a multiplex DNA-based traceability tool for crop plant materials
    Marleen M Voorhuijzen
    RIKILT Institute of Food Safety, Wageningen UR, Wageningen, The Netherlands
    Anal Bioanal Chem 402:693-701. 2012
    ..PPLMD has been shown to be a useful tool for the detection of fraudulent/intentional admixtures in premium foods and is ready for the monitoring of correct labelling of premium foods worldwide...
  8. ncbi Substantial equivalence--an appropriate paradigm for the safety assessment of genetically modified foods?
    Harry A Kuiper
    RIKILT, Wageningen University and Research Center, P O Box 230, 6700 AE Wageningen, The Netherlands
    Toxicology 181:427-31. 2002
    ..e. at the genome level, during gene expression and protein translation, and at the level of cellular metabolism...
  9. ncbi Increased efficacy for in-house validation of real-time PCR GMO detection methods
    I M J Scholtens
    RIKILT Institute of Food Safety, Wageningen University and Research Centre, P O Box 230, 6700 AE Wageningen, The Netherlands
    Anal Bioanal Chem 396:2213-27. 2010
    ..The resulting data are discussed in the light of agreed European criteria for qualified GMO detection methods...
  10. ncbi Timely awareness and prevention of emerging chemical and biochemical risks in foods: proposal for a strategy based on experience with recent cases
    G A Kleter
    RIKILT Institute of Food Safety, Wageningen University and Research Center, P O Box 230, NL 6700 AE Wageningen, The Netherlands
    Food Chem Toxicol 47:992-1008. 2009
    ..Cooperation with the private sector and foreign authorities may be required to achieve these goals. While food and feed safety are viewed from the European perspective, the outcomes also apply to other regions...
  11. ncbi Gene expression profiling for food safety assessment: examples in potato and maize
    Jeroen P van Dijk
    RIKILT Institute of Food Safety, PO Box 230, 6700 AE Wageningen, The Netherlands
    Regul Toxicol Pharmacol 58:S21-5. 2010
    ..New techniques as next generation sequencing may overcome issues on throughput time and cost, standard operation procedures and array design for individual crops...
  12. ncbi Transcriptome analysis of potato tubers--effects of different agricultural practices
    Jeroen P van Dijk
    RIKILT Institute of Food Safety, Bornsesteeg 45, P O Box 230, 6700 AE Wageningen, The Netherlands
    J Agric Food Chem 57:1612-23. 2009
    ..Transcriptomics results were confirmed by quantitative PCR. Furthermore, the bandwidth of natural variation of gene expression was explored to facilitate biological and/or toxicological evaluation in future assessments...
  13. ncbi Assessment of the food safety issues related to genetically modified foods
    H A Kuiper
    National Institute for Quality Control of Agricultural Products RIKILT, Wageningen University and Research Centre, PO Box 230, NL 6700 AE Wageningen, The Netherlands
    Plant J 27:503-28. 2001
    ..It is concluded, among others that, that application of the principle of substantial equivalence has proven adequate, and that no alternative adequate safety assessment strategies are available...
  14. ncbi The application of DNA microarrays in gene expression analysis
    N L Van Hal
    RIKILT State Institute for Quality Control of Agricultural Products, Gene Expression and Detection Centre, PO Box 230, 6700 AE, Wageningen, The Netherlands
    J Biotechnol 78:271-80. 2000
    ..Furthermore, it is discussed how DNA microarrays can be applied in the working fields of: safety, functionality and health of food and gene discovery and pathway engineering in plants...
  15. ncbi Traceability of genetically modified organisms
    Henk J M Aarts
    Expert Rev Mol Diagn 2:69-76. 2002
    ..New tools will be necessary to keep up with these developments. One of the most promising techniques is microarray analysis. This technique enables the screening for a large number of different GMOs within a single experiment...
  16. ncbi Nutritional and safety assessments of foods and feeds nutritionally improved through biotechnology
    Bruce Chassy
    University of Illinois, Urbana, USA
    Food Nutr Bull 26:436-42. 2005
  17. ncbi DNA methods: critical review of innovative approaches
    Esther J Kok
    State Institute for Quality Control of Agricultural Products RIKILT, Department of Food Safety and Health, Wageningen, The Netherlands
    J AOAC Int 85:797-800. 2002
    ..This report discusses the current state-of-the-art as well as future developments in GMO detection...