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Fig. 3 | Biotechnology for Biofuels

Fig. 3

From: Time-resolved carotenoid profiling and transcriptomic analysis reveal mechanism of carotenogenesis for astaxanthin synthesis in the oleaginous green alga Chromochloris zofingiensis

Fig. 3

Transcriptional response of photosynthesis and CO2 fixation of C. zofingiensis to ND. a Chlorophyll biosynthesis and degradation. b Components of the light reaction and electron transport. Green and purple arrows indicate the electron transport. c Pathways of Calvin–Benson cycle and C4 like carbon fixation. Blue, black and red arrows designate down-, non- and up-regulated enzymatic steps. Heat maps show log2(fold change) values of transcripts relative to 0 h of ND. Significant difference (absolute log2(fold change) value > 1 and FDR adjusted p < 0.05; n = 3) is indicated with an asterisk. Time refers to the duration of ND. BPGA 1,3-bisphosphoglycerate, DHAP dihydroxyacetone phosphate, E4P erythrose 4-phosphate, Fd ferredoxin, FBA fructose-bisphosphate aldolase, FBPase fructose-1,6-bisphosphatase, FBP fructose 1,6-bisphosphate, FNR ferredoxin—NADP (+) reductase, F6P fructose 6-phosphate, GAP glyceraldehyde 3-phosphate, GAPDH glyceraldehyde 3-phosphate dehydrogenase, photon energy, LHC light-harvesting complex, MDH malate dehydrogenase, ME malic enzyme, OAA oxaloacetate, PC plastocyanin, PEP phosphoenolpyruvate, PEPC phosphoenolpyruvate carboxylase, 3PGA 3-phosphoglycerate, PGK phosphoglycerate kinase, PPDK pyruvate phosphate dikinase, PQ plastoquinone, PRK phosphoribulokinase, PS photosystem, RBCS Ribulose-1,5-bisphosphate carboxylase/oxygenase small subunit, R5P ribose 5-phosphate, RPI ribose 5-phosphate isomerase, RPE ribulose-phosphate 3-epimerase, RuBP ribulose 1,5-bisphosphate, Ru5P ribulose 5-phosphate, SBP sedoheptulose 1,7-bisphosphate, SBPase sedoheptulose-1,7-bisphosphatase, S7P sedoheptulose 7-phosphate, TIM triosephosphate isomerase, TRK transketolase, Xu5P xylulose 5-phosphate. See Additional file 1: Data S1 for the details of gene transcripts

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