A single genetic innovation at the origin of plant terrestrialization

How the functional innovations that enabled plants to first colonize land 450 million years ago evolved remains puzzling. Here, we show that the gain of a single family of enzymes was pivotal in the evolution of two of these innovations, the cuticle that protect plants from dehydration and UV light, and the Arbuscular Mycorrhizal symbiosis promoting water and nutrient uptake. We show that…

biorxiv.org ·17h ago

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