Purple Tomato Finally Go on Sale in the US

A US company has applied for approval in the US to sell a genetically modified tomato that is rich in the beneficial pigments found in blueberries.

The purple tomato was created by Cathie Martin at the John Innes Centre in the UK.

To achieve this, Martin added two genes from snapdragon (Antirrhinum) plants and one from thale cress (Arabidopsis). The added genes are active only in the fruits, where they boost the activity of the plants’ existing machinery for making anthocyanins.

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