Abstract
The carboxylation of ribulose 1,5-bisphosphate (RuBP) by the enzyme RuBP carboxylase is the primary CO2 fixing reaction of photosynthesis. It is therefore reasonable to assume that any factor which changes the rate of photosynthesis must ultimately do so through an effect on this reaction. The reaction rate may be influenced by the concentration of the two substrates (CO2 and RuBP), the activity of RuBP carboxylase present, or by inhibitors of the reaction. For example, limitation of photosynthesis by CO2 is easily determined based on the response of photosynthetic rate to CO2 concentration in the intercellular spaces. It is clear that photosynthesis is limited by CO2 at CO2 concentrations around ambient, and this observation is consistent with kinetic data for RuBP carboxylase and CO2 in vitro.
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© 1986 Martinus Nijhoff Publishers, Dordrecht
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Mott, K.A., Jensen, R.G., Berry, J.A. (1986). Limitation of Photosynthesis by RuBP Regeneration Rate. In: Marcelle, R., Clijsters, H., van Poucke, M. (eds) Biological Control of Photosynthesis. Advances in Agricultural Biotechnology, vol 19. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4384-1_2
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DOI: https://doi.org/10.1007/978-94-009-4384-1_2
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-8449-9
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