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. 2022 Dec 23;12(1):82. doi: 10.3390/plants12010082

Figure 6.

Figure 6

(A) Terpenoid metabolic pathway. The green squares represent substrates of the terpenoid metabolic pathway; the red squares represent volatile components that play a major role in strawberry aroma presentation (i.e., OAV values greater than 1). MVA pathway is mevalonate pathway; MEP pathway is 2-C-methyl-D-erythritol 4-phosphate pathway; G3P is glyceraldehyde 3-phosphate; DXS is 1-deoxy-D-xylulose 5-phosphate synthase; DXR is 1-deoxy-D-xylulose 5-phosphate reductoisomerase; FaQR is Fragaria × ananassa quinone oxidoreductase gene; FaOMT is O-methyltransferase gene; UGT is UDP-glucose transporter; MVK is mevalonate kinase; PMK is phosphomevalonate kinase; FPS is farnesyl pyrophosphate synthase; NES is nerolidol synthase; CMS is 4-diphosphocytidyl-2-C-methyl-D-erythritol synthase; CMK is 4-(cytidine 5′-diphospho) -2-C-methyl-D-erythritol kinase; MCS is 2-C-methyl-D-erythritol-2,4-cyclodiphosphate synthase; HDS is 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase; HDR is 4-hydroxy-3-methylbut-2-enyl diphosphate reductase; IPP is isopentenyl diphosphate; IDI is Isopentenyl diphosphate isomerase; DMAPP is dimethylallyl diphosphate; FPP is farnesyl diphosphate; GPP is geranyl diphosphate; GGPP is geranylgeranyl diphosphate; HMGR is 3-hydroxy-3-methylglutaryl coenzyme A reductase; CCD is carotenoid cleavage dioxygenase; TPS is terpene synthase. (B) Expression analysis of biosynthetic genes involved in terpenoid metableolic pathway of ‘Sachinoka’ strawberry and its somaclonal mutant ‘Mixue’ fruit at four developmental stages: DXS is 1-deoxy- d-xylulose 5-phosphate synthase; DXR is 1-deoxy-D-xylulose 5-phosphate reductoisomerase; FaQR is Fragaria × ananassa quinone oxidoreductase gene; FaOMT is O-methyltransferase gene; UGT is UDP-glucose transporter; MVK is mevalonate kinase; PMK is phosphomevalonate kinase; NES is nerolidol synthase; CMS is 4-diphosphocytidyl-2-C-methyl-D-erythritol synthase; CMK is 4-(cytidine 5′-diphospho)-2-C-methyl-D-erythritol kinase; MCS is 2-C-methyl-D-erythritol-2, 4-cyclodiphosphate synthase; HDS is 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase; HDR is 4-hydroxy-3-methylbut-2-enyl diphosphate reductase; IPP is isopentenyl diphosphate; CCD is carotenoid cleavage dioxygenase; TPS is terpene synthase.