Study pinpoints genes that make plant stem cells, revealing origin of beefsteak tomatoes

A team of scientists at Cold Spring Harbor Laboratory (CSHL) has identified a set of genes that control stem cell production in tomato. Mutations in these genes explain the origin of mammoth beefsteak tomatoes. More important, the research suggests how breeders can fine-tune fruit size in potentially any fruit-bearing crop. The research appears online today in Nature Genetics.

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