Kang et al. find that vitamin B12 from gut bacteria modulates host neural function and behaviour in Caenorhabditis elegans: vitamin B12 rewires the methionine/S-adenosylmethionine cycle and choline metabolism, impacting free choline levels for neuronal acetylcholine synthesis.
- Woo Kyu Kang
- Jeremy T. Florman
- Mark J. Alkema