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Impacts of Elevated CO2 on the Growth and Physiology of Plants with Crassulacean Acid Metabolism

Ceusters, Johan ; Borland, Anne M.

Progress in Botany 72, p.163-181

Berlin, Heidelberg: Springer Berlin Heidelberg

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  • Título:
    Impacts of Elevated CO2 on the Growth and Physiology of Plants with Crassulacean Acid Metabolism
  • Autor: Ceusters, Johan ; Borland, Anne M.
  • Assuntos: Carbonic Anhydrase Activity ; Crassulacean Acid Metabolism ; Crassulacean Acid Metabolism Plant ; Crassulacean Acid Metabolism Species ; Leaf Succulence
  • É parte de: Progress in Botany 72, p.163-181
  • Descrição: The photosynthetic specialization of crassulacean acid metabolism (CAM) employs both Rubisco and phosphoenolpyruvate carboxylase (PEPC) for uptake of CO2 over the day and night. Temporal separation of the C3 and C4 carboxylases optimizes photosynthetic performance and carbon gain under water-limited environments. The water-conserving attributes of CAM has highlighted the potential of plants with this photosynthetic pathway as a means of carbon sequestration and biomass production on marginal lands. Sustainable agronomic and horticultural production of CAM species requires an understanding of how exposure to elevated atmospheric concentrations of CO2 will affect growth and productivity. In this review, the physiological responses of CAM plants to [CO2] elevation will be assessed in terms of net carbon gain, growth, anatomy, morphology, and water use efficiency. Photosynthetic responses to elevated [CO2] will be specifically discussed on a background of carbohydrate metabolism and partitioning toward the potentially competing sinks of nocturnal acid synthesis, respiration, and export for growth in CAM species.
  • Títulos relacionados: Progress in Botany
  • Editor: Berlin, Heidelberg: Springer Berlin Heidelberg
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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