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Engineering Crassulacean Acid Metabolism in C3 and C4 Plants

Yang, Xiaohan ; Liu, Yang ; Yuan, Guoliang ; Weston, David J ; Tuskan, Gerald A

Cold Spring Harbor perspectives in biology, 2024-04, Vol.16 (4), p.1 [Periódico revisado por pares]

Woodbury: Cold Spring Harbor Laboratory Press

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  • Título:
    Engineering Crassulacean Acid Metabolism in C3 and C4 Plants
  • Autor: Yang, Xiaohan ; Liu, Yang ; Yuan, Guoliang ; Weston, David J ; Tuskan, Gerald A
  • Assuntos: Biochemistry ; Bioengineering ; Biology ; Biotechnology ; Carbon dioxide ; Carbon sequestration ; Climate change ; Climatic conditions ; Crassulacean acid metabolism ; Engineering ; Evolution ; Food ; Food security ; Greenhouse gases ; Metabolism ; Modules ; Molecular biology ; Photosynthesis ; Pipeline design ; Plants ; Plants (botany) ; Water use ; Water use efficiency
  • É parte de: Cold Spring Harbor perspectives in biology, 2024-04, Vol.16 (4), p.1
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-3
    content type line 23
    ObjectType-Review-1
  • Descrição: Carbon dioxide (CO2) is a major greenhouse gas contributing to changing climatic conditions, which is a grand challenge affecting the security of food, energy, and environment. Photosynthesis plays the central role in plant-based CO2 reduction. Plants performing CAM (crassulacean acid metabolism) photosynthesis have a much higher water use efficiency than those performing C3 or C4 photosynthesis. Therefore, there is a great potential for engineering CAM in C3 or C4 crops to enhance food/biomass production and carbon sequestration on arid, semiarid, abandoned, or marginal lands. Recent progresses in CAM plant genomics and evolution research, along with new advances in plant biotechnology, have provided a solid foundation for bioengineering to convert C3/C4 plants into CAM plants. Here, we first discuss the potential strategies for CAM engineering based on our current understanding of CAM evolution. Then we describe the technical approaches for engineering CAM in C3 and C4 plants, with a focus on an iterative four-step pipeline: (1) designing gene modules, (2) building the gene modules and transforming them into target plants, (3) testing the engineered plants through an integration of molecular biology, biochemistry, metabolism, and physiological approaches, and (4) learning to inform the next round of CAM engineering. Finally, we discuss the challenges and future opportunities for fully realizing the potential of CAM engineering.
  • Editor: Woodbury: Cold Spring Harbor Laboratory Press
  • Idioma: Inglês
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