Host-microbiome mutualism drives urea carbon salvage and acetogenesis during hibernation
Matthew D. Regan, Edna Chiang, Michael Grahn, Marco Tonelli, Fariba M. Assadi‐Porter, Garret Suen, Hannah V. Carey
This study identifies urea carbon salvage as a mechanism enabling hibernating squirrels to reuse urea and mucins for energy during fasting.
Proceedings of the National Academy of Sciences · Jan 2, 2026Peer-reviewedPhysiology