Algae use same molecular machinery as land plants to respond to a plant hormone

Land-based plants—including the fruits and vegetables in your kitchen—produce and respond to hormones in order to survive. Scientists once believed that hormone signaling machinery only existed in these relatively complex plants. But new research from the University of Maryland shows that some types of freshwater algae can also detect ethylene gas—the same stress hormone found in land plants—and might use these signals to adapt to changing environmental conditions.

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