Genetically engineered Flavr Savr tomato seedlings

Genetically engineered Flavr Savr tomato seedlings

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Credit: PETER MENZEL/SCIENCE PHOTO LIBRARY

Caption: MODEL RELEASED. Genetically engineered tomato plants. Geneticist Dr Virginia Ursin examines cultures of Flavr Savr tomato plants, the first genetically engineered whole food. Each dish contains seedlings cultured from a single cell, grown on agarose medium. Flavr Savr tomatoes have a gene which allows the fruit to ripen on the vine without softening; so they are tastier, don't need ripening with ethylene gas, and are not damaged during shipping. Tomato softening occurs due to the enzyme polygalacturonase. Flavr Savr tomatoes contain an "anti-sense" gene which blocks the enzyme. This tomato entered American supermarkets in May 1994. Research at Calgene, California, USA.

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Keywords: anti-sense dna, biotech., biotechnology, botanical research, botany, flavr savr, food spoilage, genetic, genetic engineering, genetic research, genetics, plant, plant biotechnology, tomato, tomato plants, tomato resist, ursin, virginia

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