Cited by 146Photosynthetic Processes and MechanismsPlant Water Relations and Carbon DynamicsGreenhouse Technology and Climate Control

e‐photosynthesis: a comprehensive dynamic mechanistic model of C3 photosynthesis: from light capture to sucrose synthesis

ZHU, XIN‐GUANG, WANG, YU, ORT, DONALD R., LONG, STEPHEN P.·2013·Plant, Cell & Environment

Abstract

Photosynthesis is arguably the most researched of all plant processes. A dynamic model of leaf photosynthesis that includes each discrete process from light capture to carbohydrate synthesis,e‐photosynthesis, is described. It was developed by linking and extending our previous models of photosystem II (PSII) energy transfer and photosynthetic C3 carbon metabolism to include electron transfer processes around photosystem I (PSI), ion transfer between the lumen and stroma, ATP synthesis and NADP reduction to provide a complete representation. Different regulatory processes linking the light and dark reactions are also included: Rubisco activation via Rubisco activase, pH and xanthophyll cycle‐dependent non‐photochemical quenching mechanisms, as well as the regulation of enzyme activities via the ferredoxin‐theoredoxin system. Although many further feedback and feedforward controls undoubtedly exist, it is shown that e‐photosynthesis effectively mimics the typical kinetics of leaf CO 2 uptake, O 2 evolution, chlorophyll fluorescence emission, lumen and stromal pH, and membrane potential following perturbations in light, [CO 2] and [O 2] observed in intact C3 leaves. The model provides a framework for guiding engineering of improved photosynthetic efficiency, for evaluating multiple non‐invasive measures used in emerging phenomics facilities, and for quantitative assessment of strengths and weaknesses within the understanding of photosynthesis as an integrated process.

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Crossref · 10.1111/pce.12025

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  • Recent kinetic models of photosynthesis have been expanded to include processes beyond photosynthesis, including chloroplast costs of photorespiration, starch synthesis, and nitrate reduction.

    “Although recent kinetic models of photosynthesis have been expanded to include processes beyond photosynthesis, including, for example, the chloroplast costs of photorespiration, starch synthesis, and nitrate reduction (Zhu et al., 2013; Morales et al., 2018)”

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Authors
ZHU, X., WANG, Y., ORT, D. R., & LONG, S. P.
Affiliations
  • University of Illinois Urbana-Champaign (US)
  • Chinese Academy of Sciences (CN)
  • Agricultural Research Service (US)
Corresponding author
ZHU, XIN‐GUANG
Venue
Plant, Cell & Environment
Publisher
Wiley
Published
2012-11-19
Volume
36
Issue
9
Pages
1711-1727
ISSN
  • 0140-7791 (ISSN-L)
  • 1365-3040
OpenAlex
W1838704976
Cited by
146
References
105
Citations by year
2026: 5 · 2025: 10 · 2024: 18 · 2023: 12 · 2022: 12 · 2021: 14 · 2020: 12 · 2019: 11 · 2018: 10 · 2017: 11 · 2016: 10 · 2015: 8 · 2014: 9 · 2013: 4
FWCI
2.69
Type
journal article
Language
en
Open access
closed
Locations
  • Plant Cell & Environment (publishedVersion)
  • PubMed (publishedVersion)
  • Lincoln (University of Nebraska) (submittedVersion)
Funders
Chinese Academy of Sciences
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
  • Physical Sciences › Environmental Science › Global and Planetary Change › Plant Water Relations and Carbon Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Greenhouse Technology and Climate Control
Keywords
C3 photosynthesis, Rubisco activation, Rubisco activase, non-photochemical quenching, xanthophyll cycle, ferredoxin-thioredoxin system, ATP production, NADP+ reduction, membrane potential, O2 evolution, chlorophyll fluorescence, photosynthetic efficiency, phenomics
MeSH terms
Algorithms, Light, Models, Biological, Numerical Analysis, Computer-Assisted, Photosynthesis, Sucrose

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