Transcriptome Sequencing of Codonopsis pilosula and Identification of Candidate Genes Involved in Polysaccharide Biosynthesis
Fig 8
Proposed pathways for polysaccharide biosynthesis in Codonopsis pilosula.
Activated monosaccharide units were marked in red. Words in bold are key intermediates. The first step of CPPs biosynthesis was shown with blue arrows. Conversion of monosaccharides were marked with red arrows. The key enzymes were highlighted in purple, and the corresponding FPKM values were indicated in brackets. Abbreviations: SS: sucrose synthase; HK: fructokinase/hexokinase; UGPase: uridine diphosphate glucose pyrophosphorylase; RHM: UDP-glucose 4, 6-dehydratase; UGDH: UDP-glucose 6-dehydrogenase; UGE: UDP-glucose 4-epimerase; UGlcAE: UDP-glucuronate 4-epimerase; AXS: UDP-apiose/xylose synthase; UXE: UDP-arabinose 4-epimerase; UER: 3, 5-epimerase/4-reductase; PGM: phosphoglucomutase; GPI: glucose-6-phosphate isomerase; manA: mannose-6-phosphate isomerase; manB: phosphomannomutase; GMPP: mannose-1-phosphate guanylyltransferase; GTs: glycosyltransferases.