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Small bits of DNA, called “genes”, work to control different parts of how a living thing grows.
For example, humans have genes that control eye color.
GMO purple tomato engineered by Norfolk Plant Sciences, cut to show the inside.
Scientists believe antioxidants may improve human health.
Antioxidants are found naturally in plants like blueberries and blackberries. By changing the DNA of a tomato plant, Dr. Martin created tomatoes with antioxidants all through them – not just in the skin.
Dr. Martin’s experiment worked. She added two genes from a plant called a “snapdragon”.
Soon her plants were producing small purple tomatoes with lots of antioxidants.
Even better, the tomatoes remained fresh almost twice as long as normal tomatoes. Soon, Dr. Martin and other scientists created a company to promote the tomatoes.
GMO purple tomatoes engineered by Norfolk Plant Sciences mixed in with conventional cherry tomatoes.
On September 7, the USDA approved the purple tomatoes. Dr. Martin says it’s the first time the USDA has approved a GMO plant designed to target human health.
Dr. Martin and her company plan to introduce the tomatoes at farmers markets across the US in 2023. They also hope to sell the seeds to people who want to grow their own.