Vitamin B12 analogues from gut microbes and diet differentially impact commensal propionate producers of the human gut.

To produce the health-associated metabolite propionate, gut microbes require vitamin B12 as a cofactor to convert succinate to propionate. B12 is sourced in the human gut from the unabsorbed dietary fraction and

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Copyright © 2024 Kundra, Greppi, Duppenthaler, Plüss, Pugin, Lacroix and Geirnaert.

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The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. The author(s) declared that they were an editorial board member of Frontiers, at the time of submission. This had no impact on the peer review process and the final decision.