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  • Title: Low-Cost System for Maintaining Low Atmospheric CO2 Levels During Arabidopsis Cultivation.
    Author: Sharma N, Brandizzi F.
    Journal: Methods Mol Biol; 2024; 2792():125-129. PubMed ID: 38861083.
    Abstract:
    Photosynthesis requires CO2 as the carbon source, and the levels of ambient CO2 determine the oxygenation or carboxylation of Ribulose-1,5-bisphosphate (RuBP) by RuBP carboxylase/oxygenase (Rubisco). Low CO2 levels lead to oxygenation and result in photorespiration, which ultimately causes a reduction in net carbon assimilation through photosynthesis. Therefore, an increased understanding of plant responses to low CO2 contributes to the knowledge of how plants circumvent the harmful effects of photorespiration. Methods for elevating CO2 above ambient concentrations are often achieved by external sources of CO2, but reducing CO2 below the ambient value is much more difficult as CO2 gas needs to be scrubbed from the atmosphere rather than added to it. Here, we describe a low-cost method of achieving low CO2 conditions for Arabidopsis growth.
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