Fig. 5From: Tracing the biosynthetic origin of limonoids and their functional groups through stable isotope labeling and inhibition in neem tree (Azadirachta indica) cell suspensionTracing the flow of 13C from glucose through MVA and MEP pathway for the biosynthesis of isoprene unit. The black dot representsthe 13C carbon derived from 1-13C label /1,6 -13C of D-glucose and the blue one from 2-13C label of D-glucose. Mevinolin and fosmidomycin are the inhibitors for HMGR and DXR, respectively. AACT, acetoacetyl-CoA thiolase; HMGS, 3-hydroxy-3 methyl glutaryl coenzyme A synthase; HMGR, 3-hydroxy-3-methyl glutaryl coenzyme A reductase; MK, mevalonate kinase; PMK, 5-phosphomevalonate kinase; DPMDC, diphosphomevalonate decarboxylase; IPPI, isopentenyl diphosphate isomerase; DXS,1-deoxy-D-xylulose-5-phosphate synthase; DXR, 1-deoxy-D-xylulose-5-phosphate reductoisomerase; MCT, 2-C-methyl-D-erythritol-4 phosphate cytidyltransferase; CMK, 4-(Cytidine 5′-diphospho)-2-C-methyl-D-erythritol kinase; MDS, 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase; HDS, 4-hydroxy-3-methylbut-2-enyl diphosphate synthase; HDR, 4-hydroxy-3-methylbut-2-enyl diphosphate reductaseBack to article page