Seasonal blood-brain barrier plasticity links environmental cues to migratory behavior in monarch butterflies
Aldrin B. Lugena, Kayla M. Goforth, Vinaya Shetty, Ying Zhang, Antonio González‐Rodríguez, M. Isabel Ramírez, Christine Merlin
This study shows that cold exposure changes the blood-brain barrier in monarch butterflies, linking temperature to migratory behavior through altered ECM signaling.
bioRxiv · Jan 20, 2026 · PreprintNeuroscience