Plant Molecular Biology Research · Lab experiment

Why do some plant organs stay smooth while others buckle?

Paper: Growth directions and stiffness across cell layers determine whether tissues stay smooth or buckle
Yadav et al. · Current Biology 2026 · doi.org/10.1016/j.cub.2026.08.011

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What the trailer says

Why do some plant organs stay smooth while others buckle? In mutant flower sepals, the outer cell layer grew in misaligned directions and was softer. Aligning growth and stiffening that layer restored smoothness.

AI-assisted summary with an AI voice, not reviewed by the authors. Made from the paper under its CC BY licence. Read the paper before relying on a finding. Keywords: tissue mechanics, tissue stiffness, sepal development, auxin efflux, leaf shape, organ morphogenesis.