Schematic illustration of L carnitine synthesis from the precursor TML. Download Scientific Diagram Frontiers Biochemical and structural elucidation of the L carnitine degradation pathway of the human pathogen Acinetobacter baumannii Carnitine1 Basicmedical Key Elucidation of an anaerobic pathway for metabolism of l carnitinederived butyrobetaine to trimethylamine in human gut bacteria PNAS Carnitine Biosynthesis Pathway