Proceedings of the National Academy of Sciences, Volume 123, Issue 13, March 2026. SignificanceHollow stems are a widespread trait that has independently evolved multiple times across the plant kingdom, representing a case of convergent evolution. This trait plays important roles in plant development and environmental adaptation, yet ...
PNAS published a clinical update in Research Highlights on 25 Mar 2026.
The item focuses on A conserved ethylene-triggered cell death mechanism may underlie hollow stem formation across plant species.
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