A gene from 28 million years ago protects today’s plants against caterpillars

The defense mechanisms plants use to recognize and respond to a common pest — the caterpillar — has arisen from a single gene that evolved over millions of years, according to a new report.The defense mechanisms plants use to recognize and respond to a common pest — the caterpillar — has arisen from a single gene that evolved over millions of years, according to a new report.

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