Cited by 581Photosynthetic Processes and MechanismsLight effects on plantsPlant Stress Responses and Tolerance

Chloroplast avoidance movement reduces photodamage in plants

Kasahara, Masahiro, Kagawa, Takatoshi, Oikawa, Kazusato, Suetsugu, Noriyuki, Miyao, Mitsue, Wada, Masamitsu·2002·Nature

Abstract

When plants are exposed to light levels higher than those required for photosynthesis, reactive oxygen species are generated in the chloroplasts and cause photodamage. This can occur even under natural growth conditions. To mitigate photodamage, plants have developed several protective mechanisms. One is chloroplast avoidance movement, in which chloroplasts move from the cell surface to the side walls of cells under high light conditions, although experimental support is still awaited. Here, using different classes of mutant defective in chloroplast avoidance movement, we show that these mutants are more susceptible to damage in high light than wild-type plants. Damage of the photosynthetic apparatus and subsequent bleaching of leaf colour and necrosis occur faster under high light conditions in the mutants than in wild-type plants. We conclude that chloroplast avoidance movement actually decreases the amount of light absorption by chloroplasts, and might therefore be important to the survival of plants under natural growth conditions.

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Crossref · 10.1038/nature01213

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Authors
Kasahara, M., Kagawa, T., Oikawa, K., Suetsugu, N., Miyao, M., & Wada, M.
Affiliations
  • National Institute for Basic Biology (JP)
  • Institute of Agrobiological Sciences (JP)
Corresponding author
Wada, Masamitsu
Venue
Nature
Published
2002-12
Volume
420
Issue
6917
Pages
829-832
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1976253289
Cited by
581
References
23
Citations by year
2026: 17 · 2025: 36 · 2024: 26 · 2023: 33 · 2022: 33 · 2021: 26 · 2020: 32 · 2019: 33 · 2018: 24 · 2017: 40 · 2016: 28 · 2015: 19 · 2014: 20 · 2013: 16 · 2012: 21
FWCI
5.22
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
National Institute for Basic Biology
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Light effects on plants
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
Keywords
photodamage, high light stress, reactive oxygen species, photosynthetic apparatus damage, leaf bleaching, necrosis, photoprotection
MeSH terms
Antioxidants, Chlorophyll, Chloroplasts, Kinetics, Light, Microfilament Proteins, Molecular Sequence Data, Movement, Mutation, Phenotype, Photosynthesis, Genes, Plant, Arabidopsis, Reactive Oxygen Species, Plant Leaves, Arabidopsis Proteins, Photosynthetic Reaction Center Complex Proteins, Light-Harvesting Protein Complexes

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