GML and infection: To address this hypothesis, we assessed levels of GML and its precursors, glycerol and lauric acid, via GC-MS in Mouse Embryonic Fibroblasts (MEFs) following either serum or amino acid starvation, or infection with eitherF. novicidaor a Gram-positive intracellular pathogen,L. monocytogenes(Radoshevich & Cossart, 2018).