Abstract
Genetically modified carnation (Dianthus caryophyllus L.) Moonshade was approved for planting and commercialization in several countries from 2004. Developing methods for analyzing Moonshade is necessary for implementing genetically modified organism labeling regulations. In this study, the 5'-transgene integration sequence was isolated using thermal asymmetric interlaced (TAIL)-PCR. Based upon the 5'-transgene integration sequence, conventional and TaqMan real-time PCR assays were established. The relative limit of detection for the conventional PCR assay was 0.05 % for Moonshade using 100 ng total carnation genomic DNA, corresponding to approximately 79 copies of the carnation haploid genome, and the limits of detection and quantification of the TaqMan real-time PCR assay were estimated to be 51 and 254 copies of haploid carnation genomic DNA, respectively. These results are useful for identifying and quantifying Moonshade and its derivatives.
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Abbreviations
- GMO:
-
Genetically modified organism
- PCR:
-
Polymerase chain reaction
- TAIL-PCR:
-
Thermal asymmetric interlaced-PCR
- LOD:
-
Limit of detection
- LOQ:
-
Limit of quantification
- f3'5'h :
-
Flavonoid 3′, 5′ hydroxylase
- dfr :
-
Dihydroflavonol-4-reductase
- SuRB :
-
Sulfonylurea resistance gene B
- SD:
-
Standard deviation
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Acknowledgments
This work was financially supported by Shanghai Agricultural Science Committee foundation of China, grant no. 6-4 (2009), Shanghai Agricultural Science Key Research Foundation, grant no. 1-8 (2011), the Public Research Platform Foundation of SSTC, grant no. 10DZ2294103, the Fund of Key Project of Science and Technology of the Shanghai Committee of Agriculture (2008-8-9), and the Youth Fund of Shanghai Academy of Agricultural Sciences, PR China (2010–15).
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Li, P., Jia, J., Bai, L. et al. Identification and Quantification of Genetically Modified Moonshade Carnation Lines Using Conventional and TaqMan Real-Time Polymerase Chain Reaction Methods. Appl Biochem Biotechnol 170, 1151–1162 (2013). https://doi.org/10.1007/s12010-013-0254-7
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DOI: https://doi.org/10.1007/s12010-013-0254-7