Abstract
This paper analyzes a mathematical model of the photosynthetic carbon metabolism, which incorporates not only the Calvin-Benson cycle, but also another two important metabolic pathways: starch synthesis and photorespiratory pathway. Theoretically, the paper shows the existence of steady states, stability and instability of the steady states, the effects of CO2 concentration on steady states. Especially, a critical point is found, the system has only one steady state with CO2 concentration in the left neighborhood of the critical point, but has two with CO2 concentration in the right neighborhood. In addition, the paper also explores the influence of CO2 concentration on the efficiency of photosynthesis. These theoretical results not only provide insight to the kinetic behaviors of the photosynthetic carbon metabolism, but also can be used to help improving the efficiency of photosynthesis in plants.
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Schedule a callMore From: Acta Mathematicae Applicatae Sinica, English Series
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