Mammalian hydroxylation of microbiome-derived obesogen, delta-valerobetaine, to homocarnitine, a 5-carbon carnitine analog. - Weinberg J; Liu KH; Lee CM; Crandall WJ; Cuevas AR; Druzak SA; Morgan ET; Jarrell ZR; Ortlund EA; Martin GS; Singer G; Strobel FH; et al. (The Journal of biological chemistry, 2025)