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Updated: Aug 10, 2026

Genotyping of Plant and Animal Samples without Prior DNA Purification
Published on: September 24, 2012
[Detection of genetically engineered plants by polymerase chain reaction (PCR) using the FLAVR SAVR tomato as an
1Universität Bern, Institut für Biochemie, Schweiz.
Abstract:
In this study, a practical approach for the detection of a genetically engineered tomato is demonstrated by polymerase chain reaction (PCR) assays. The Flavr Savr tomato available on the market which was used as an example, contains a resistance gene for the antibiotic kanamycin (kanr) and a gene construct for the inhibition of fruit ripening and softening (antisense polygalacturonase). The presence of these DNA's could only be detected in the genetically engineered tomato.
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