Turnip genes reveal key to thriving in extreme environments like Tibetan Plateau.
Gene duplication in turnip led to two different versions of the BrrCIPK9 gene, BrrCIPK9.1 and BrrCIPK9.2. These genes have evolved to have different functions, with BrrCIPK9.1 responding to high-pH stress and BrrCIPK9.2 retaining its original function in low potassium conditions. This divergence in function helps turnip plants thrive in the harsh environment of the Tibetan Plateau. The study used genetic analysis and experiments to show how these duplicated genes have adapted to different stressors, providing insight into how turnip plants have evolved to survive in extreme conditions.