Title: Assessing Copy Number of MON810 Integrations in Commercial Seed Maize Varieties by 5' Event-specific Real-time PCR Validated Method Coupled to 2-deltadelta CT Analysis
Citation: FOOD ANALYTICAL METHODS vol. 2 no. 1 p. 73-79
Publisher: SPRINGER
Publication Year: 2009
JRC N°: JRC45335
ISSN: 1936-9751
URI: http://www.springerlink.com/content/l7up777053ug22x4/
DOI: 10.1007/s12161-008-9036-1
Type: Articles in periodicals and books
Abstract: The objective of the present study was to assess the applicability of the MON 8105' event-specific method validated by the Community Reference Laboratory for Genetically Modified Food and Feed(CRL-GMFF) that is commonly used for quantitative purposes. This 5' event-specific /hmg-taxon gene real-time PCR protocol coupled to 2 analysis was the chosen approach to determine the MON 810 insert copy number per haploidgenome across 26 genetically modified (GM) commercial maize varieties. Variety DK513 containing one copy integration per haploid genome was used as calibrator in each assay. Complementary data from end-point real-time PCRs that targeted specifically the MON 810 insert were also analysed. Global results assessed and guaranteed the genetic intactness of the transgenic integration per haploid genome for 24 out of the 26 commercial varieties studied,which showed no significant differences between 2 values respect to the calibrator value. Conversely,two varieties showed no transgenic insert in their genomes. This validated analytical method was suitable for MON 810 detection and quantification purposes.
JRC Directorate:Institute for Health and Consumer Protection Historical Collection

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