Photorespiration: players, partners and origin
Abstract
Photorespiratory metabolism allows plants to thrive in a high-oxygen containing environment. This metabolic pathway recycles phosphoglycolate, a toxic compound, back to phosphoglycerate, when oxygen substitutes for carbon dioxide in the first reaction of photosynthetic carbon fixation. The recovery of phosphoglycerate is accompanied by considerable carbon and energy losses, making photorespiration a prime target for crop improvement. The genomics era has allowed the precise functional analysis of individual reaction steps of the photorespiratory cycle, and more links integrating photorespiration with cellular metabolism as a whole are becoming apparent. Here we review the evolutionary origins of photorespiration as well as new insights into the interaction with other metabolic processes such as nitrogen assimilation and mitochondrial respiration.
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Within the photorespiratory cycle, stoichiometrically equal amounts of NADH are generated by mitochondrial Gly decarboxylase and consumed by peroxisomal hydroxypyruvate reductase.
“Within the photorespiratory cycle, stoichiometrically equal amounts of NADH are generated by mitochondrial Gly decarboxylase and consumed by peroxisomal hydroxypyruvate reductase (Bauwe et al., 2010).”
From Leaf Energy Balance Requires Mitochondrial Respiration and Export of Chloroplast NADPH in the Light (2019) · cites this paper as Bauwe et al., 2010
Cites
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Serine in plants: biosynthesis, metabolism, and functions
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Inorganic Carbon Assimilation in Cyanobacteria: Mechanisms, Regulation, and Engineering
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- Authors
- Bauwe, H., Hagemann, M., & Fernie, A. R.
- Affiliations
- University of Rostock (DE)
- Max Planck Society (DE)
- Corresponding author
- Bauwe, Hermann
- Venue
- Trends in Plant Science
- Publisher
- Elsevier BV
- Published
- 2010-06
- Volume
- 15
- Issue
- 6
- Pages
- 330-336
- ISSN
- 1360-1385 (ISSN-L)
- OpenAlex
- W2018267605
- Cited by
- 652
- References
- 2
- Citations by year
- 2026: 27 · 2025: 34 · 2024: 30 · 2023: 44 · 2022: 42 · 2021: 66 · 2020: 50 · 2019: 51 · 2018: 48 · 2017: 41 · 2016: 46 · 2015: 42 · 2014: 26 · 2013: 39 · 2012: 34
- FWCI
- 13.58
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Trends in Plant Science (publishedVersion)
- PubMed (publishedVersion)
- Max Planck Institute for Plasma Physics (submittedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion)
- Funders
- Deutsche Forschungsgemeinschaft
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant nutrient uptake and metabolism
- Keywords
- photorespiration, phosphoglycolate, phosphoglycerate, oxygenase, photosynthetic carbon fixation, nitrogen assimilation, mitochondrial respiration, crop improvement
- MeSH terms
- Animals, Biological Evolution, Mitochondria, Nitrogen, Plants, Phototrophic Processes
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