The first GM food to reach the market was the Flavr Savr tomato, the brain child of Calgene, a small company in Davis, California. The tomatoes had been genetically-modified for a longer shelf-life, and their launch was announced in 1994.
The gene for an enzyme that breaks down pectin was flipped in Flavr Savr. The enzyme causes the fruit to soften and rot, so the flipped gene meant Flavr Savr tomatoes lasted longer than their counterparts. Continue reading