This Week in Science

Researchers from the Weizmann Institute of Science and elsewhere report in the online early edition of Science that they uncovered 10 genes involved in the synthesis of steroidal glycoalkaloids. SGAs, the researchers note, are found in a number of crops like tomatoes and potatoes and are antinutritional factors, meaning that they can cause gastrointestinal and neurological disorders and, at high concentrations, can be lethal.

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