"Arctic Grape" Genetically Altered Fruit, Escapes Public Approval

We are currently witnessing the USDA public commentary period on the Arctic Apple, a transgenic apple that does not exhibit browning upon injury or cutting.  The anti-browning trait was installed by scientists at Okanagan Specialty Fruits. A copy of the apple gene for polyphenol oxidase (PPO) was overexpressed, which triggers a plant response to silence the over-expressed gene.  The same process also suppresses the apple’s endogenous PPO genes.  Without this protein, the apple flesh cannot brown.  read more

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