“…The Calvin–Benson cycle (CBC) evolved ~2 billion years ago ( Rasmussen et al , 2008 ), is the most abundant biochemical pathway on Earth in terms of nitrogen investment ( Ellis, 1979 ; Raven, 2013 ), and plays a dominant role in the global carbon (C) and O 2 cycles. The CBC can be divided into three partial processes; fixation of CO 2 (ribulose-1,5-bisphosphate carboxylase-oxygenase) RuBisCO into a 3-C compound, 3-phosphoglycerate (3PGA), reduction of 3PGA to triose phosphate (triose-P) using ATP and NADPH from the light reactions, and a series of reactions that use triose-P to regenerate ribulose 1,5-bisphosphate (RuBP) ( von Caemmerer and Farquhar, 1981 ; Heldt, 2005 ; Stitt et al , 2010 ; Adam, 2017 ). The net gain in C exits the CBC and is converted into end-products.…”