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Fig. 1 | BMC Plant Biology

Fig. 1

From: Genome-wide identification and transcriptional analysis of folate metabolism-related genes in maize kernels

Fig. 1

Schematic representation of the key folate and C1 metabolic reactions in maize. Enzymes involved in folate biosynthesis include: aminodeoxychorismate (ADC) synthase (ADCS) and ADC lyase (ADCL) in the chloroplast, GTP cyclohydrolase I (GTPCHI) and dihydroneopterin (DHN) aldolase (DHNA) in the cytosol, hydroxymethyldihydropterin pyrophosphokinase and dihydropteroate synthase (HPPK-DHPS), dihydrofolate synthetase (DHFS), dihydrofolate reductase (DHFR), and folylpolyglutamate synthetase (FPGS) in the mitochondria. Enzymes involved in C1 metabolic pathways include: glycine decarboxylase complex (H protein, GDCH; P protein, GDCP; T protein, GDCT; L protein), serine hydroxymethyl transferase 1 (SHMT1), 5,10-methylenetetrahydrofolate dehydrogenase/5,10-methenyl-tetrahydrofolate cyclohydrolase (DHC), 5, 10-methylenetetrahydrofolate reductase (MTHFR), methionine synthase (MS), 10-formyl THF deformylase (10-FDF), 10-formyltetrahydrofolate synthetase (FTHS), and 5-formyltetrahydrofolate cycloligase (5-FCL) (modified according to the figures from Li et al., [45]; Blancquaert et al., [1]; Hanson and Gregory, [2])

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