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Table 3 Carbon allocating in carbon fixation and lipid biosynthesis by metabolic engineering

From: High-value biomass from microalgae production platforms: strategies and progress based on carbon metabolism and energy conversion

  Species Carbon source Product Results Strategy References
Light-dependent reaction C. reinhardtii CO2 Biomass Solar conversion efficiencies and photosynthetic productivity are enhanced Reducing antenna size [98]
Anabeana simensis CO2 Biomass Solar conversion efficiencies, photosynthetic productivity and growth rate are effected Changing pigment composition [99]
CO2 fixation CO2 Biomass Solar conversion efficiencies are enhanced Reducing Rubisco oxygen affinity or increasing Rubisco catalytic rate [100]
Synechocystis 6803 CO2 Ethylene 10% of fixed carbon is diverted into ethylene and photosynthetic activities is increased Engineering TCA cycle [7]
Synechocystis 6803 CO2 Acetate More than 20% of carbon is channeled into the triose sink Engineering PP pathway [101]
Product biosynthesis C. reinhardtii CO2 Carotenoid 2.0- and 2.2-fold of carotenoids violaxanthin and lutein are increased Overexpressing PSY [102]
Thalassiosira pseudonana Protein, carbohydrate Lipid 3.3-fold increase of lipids Engineering a multifunctional lipase/phospholipase/acyltransferase [103]