Current and new approaches in GMO detection: challenges and solutions

Marie-Alice Fraiture, Philippe Herman, Isabel Taverniers, Marc De Loose, Dieter Deforce, Nancy Roosens

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    In many countries, genetically modified organisms (GMO) legislations have been established in order to guarantee the traceability of food/feed products on the market as well as to protect the consumer freedom of choice. Therefore, several GMO detection strategies, mainly based on DNA, have been developed to implement these legislations. Due to its numerous advantages, the quantitative PCR (qPCR) is the method of choice for the enforcement laboratories in GMO routine analysis. However, given the increasing number and diversity of GMO developed and put on the market around the world, some technical hurdles could be encountered with the qPCR technology, mainly owed to its inherent properties. To address these challenges, alternative GMO detection methods have been developed, allowing faster detections of single GM target (e.g. Loop-mediated isothermal amplification), simultaneous detections of multiple GM targets (e.g. PCR capillary gel electrophoresis, microarray and Luminex®), more accurate quantification of GM targets (e.g. digital PCR) or characterization of partially known (e.g. DNA walking and Next Generation Sequencing (NGS)) or unknown (e.g. NGS) GMO. The benefits and drawbacks of these methods are discussed in this review.
    TaalEngels
    TijdschriftBioMed Research International
    ISSN2314-6133
    StatusGepubliceerd - 2015

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