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Evaluation of Photosynthetic Efficiency in Photorespiratory Mutants by Chlorophyll Fluorescence Analysis
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Photosynthesis research under climate change.

Sajad Hussain1,2, Zaid Ulhassan3, Marian Brestic4

  • 1College of Agronomy, Sichuan Agricultural University, 211-Huimin Road, Wenjiang District, Chengdu, 611130, People's Republic of China.

Photosynthesis Research
|July 8, 2021
PubMed
Summary

Boosting crop yields for food security requires enhancing plant photosynthesis. This review explores strategies targeting key limitations in photosynthetic processes and environmental adaptations to improve crop productivity.

Keywords:
AssimilatesPhotosynthesisPhotosystemRubiscoStrategies

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Area of Science:

  • Plant Physiology
  • Crop Science
  • Biotechnology

Background:

  • Global population growth and climate change necessitate increased crop yields.
  • Current crop productivity is limited by inherent inefficiencies in photosynthesis.
  • Past efforts in genetic manipulation have yielded limited success in boosting photosynthetic efficiency.

Purpose of the Study:

  • To review strategies for enhancing plant photosynthesis.
  • To identify key limiting factors within photosynthetic pathways.
  • To explore adaptations to environmental variables for improved crop productivity.

Main Methods:

  • Literature review of current research on photosynthetic limitations.
  • Analysis of intrinsic factors affecting photosynthetic efficiency.
  • Examination of plant responses to environmental variables like light, temperature, and CO2.

Main Results:

  • Identified key limitations in stomatal and mesophyll conductance, Rubisco activity, and carbon fixation.
  • Highlighted the need for improved understanding of photosynthetic adaptation mechanisms.
  • Emphasized the potential of targeting specific biochemical and physiological pathways.

Conclusions:

  • Significant improvements in photosynthetic efficiency are achievable by addressing identified limitations.
  • Targeting intrinsic factors and environmental adaptations is crucial for future crop improvement.
  • Further research is needed to fully understand and exploit photosynthetic potential for food security.