Cited by 123Light effects on plantsPhotosynthetic Processes and MechanismsPlant Molecular Biology Research

Chloroplast photorelocation movement mediated by phototropin family proteins in green plants

Suetsugu, Noriyuki, Wada, Masamitsu·2007·bchm

Abstract

Chloroplasts gather in areas irradiated with weak light to maximize photosynthesis (the accumulation response). They move away from areas irradiated with strong light to minimize damage of the photosynthetic apparatus (the avoidance response). The processes underlying these chloroplast movements can be divided into three parts: photoperception, signal transduction, and chloroplast movement. Photoreceptors for chloroplast movement have been identified recently in various plant species. A blue light receptor phototropin (phot) mediates chloroplast photorelocation movement in the seed plant Arabidopsis thaliana, the fern Adiantum capillus-veneris, the moss Physcomitrella patens and possibly the green alga Mougeotia scalaris. A chimeric photoreceptor between phytochrome and phototropin, neochrome (neo), was found in some advanced ferns and in the green alga M. scalaris. While the mechanism of chloroplast movement is not well understood, it is known that actin filaments play an important role in this process. To understand the molecular mechanisms associated with chloroplast movement, several mutants were isolated in A.thaliana(jac1 and chup1) and the corresponding genes were cloned. In this review, recent progress in photoreceptor research into chloroplast movement in various plant species and the possible factors functioning in signal transduction or the regulation of actin filaments identified in A. thaliana is discussed.

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Crossref · 10.1515/bc.2007.118

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Authors
Suetsugu, N., & Wada, M.
Affiliations
National Institute for Basic Biology (JP)
Venue
bchm
Published
2007-08-14
Volume
388
Issue
9
Pages
927-935
ISSN
  • 1431-6730 (ISSN-L)
  • 1437-4315
OpenAlex
W2002876656
Cited by
123
References
96
Citations by year
2026: 6 · 2025: 2 · 2024: 4 · 2023: 3 · 2022: 6 · 2021: 3 · 2020: 5 · 2019: 9 · 2018: 7 · 2017: 1 · 2016: 5 · 2015: 4 · 2014: 6 · 2013: 9 · 2012: 11
FWCI
0.78
Type
journal article
Language
en
Open access
closed
Locations
  • Biological Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Light effects on plants
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
Keywords
phototropin, photoreceptors, avoidance response, blue light photoreception, phytochrome, signal transduction, F-actin, Arabidopsis thaliana, Adiantum capillus-veneris, Physcomitrella patens, ferns, bryophytes, green algae
MeSH terms
Calcium, Chloroplasts, Flavoproteins, Microfilament Proteins, Movement, Photosynthesis, Second Messenger Systems, Phototropism, Xanthophylls, Arabidopsis Proteins, Cryptochromes, Chloroplast Proteins

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