Seung-Man Suh, Sumin Kim, Hyun-Jae Kim, Min-Ki Shin, Hae-Yeong Kim
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Development and verification of new reference plasmid (pUC_GM-SB) for the DNA-based detection of genetically modified sugar beet H7-1
The sugar beet is the second-largest sugar-producing crop. Genetically modified (GM) sugar beet, which have herbicide-resistant, have been developed to increase production and comprise over 90% of the market share. This study describes qualitative and quantitative PCR methods for the GM sugar beet H7-1 with reference plasmid (pUC_GM-SB) containing an endogenous gene (GS2) and an event-specific gene for H7-1 that served as a positive control for PCR. The detection limit of qualitative PCR was approximately 10 copies of the reference plasmid and 0.05% in spiked samples. In the case of quantitative PCR, the detection limit was five copies of the reference plasmid. Regarding repeatability, the standard deviation and relative standard deviation were found to range from 0.11 to 0.24 and from 0.23% to 0.99%, respectively. This study provides food safety assurance for imported GM sugar beet H7-1 using the reference plasmid and supports efficient detection methods.
期刊介绍：
The FSB journal covers food chemistry and analysis for compositional and physiological activity changes, food hygiene and toxicology, food microbiology and biotechnology, and food engineering involved in during and after food processing through physical, chemical, and biological ways. Consumer perception and sensory evaluation on processed foods are accepted only when they are relevant to the laboratory research work. As a general rule, manuscripts dealing with analysis and efficacy of extracts from natural resources prior to the processing or without any related food processing may not be considered within the scope of the journal. The FSB journal does not deal with only local interest and a lack of significant scientific merit. The main scope of our journal is seeking for human health and wellness through constructive works and new findings in food science and biotechnology field.
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