Cited by 169Light effects on plantsPhotosynthetic Processes and MechanismsPlant Molecular Biology Research

Chloroplast movement

Wada, Masamitsu·2013·Plant Science

Abstract

Chloroplast movement is important for plant survival under high light and for efficient photosynthesis under low light. This review introduces recent knowledge on chloroplast movement and shows how to analyze the responses and the moving mechanisms, potentially inspiring research in this field. Avoidance from the strong light is mediated by blue light receptor phototropin 2 (phot2) plausibly localized on the chloroplast envelop and accumulation at the week light-irradiated area is mediated by phot1 and phot2 localized on the plasma membrane. Chloroplasts move by chloroplast actin (cp-actin) filaments that must be polymerized by Chloroplast Unusual Positioning1 (CHUP1) at the front side of moving chloroplast. To understand the signal transduction pathways and the mechanism of chloroplast movement, that is, from light capture to motive force-generating mechanism, various methods should be employed based on the various aspects. Observation of chloroplast distribution pattern under different light condition by fixed cell sectioning is somewhat an old-fashioned technique but the most basic and important way. However, most importantly, precise chloroplast behavior during and just after the induction of chloroplast movement by partial cell irradiation using an irradiator with either low light or strong light microbeam should be recorded by time lapse photographs under infrared light and analyzed. Recently various factors involved in chloroplast movement, such as cp-actin filaments and CHUP1, could be traced in Arabidopsis transgenic lines with fluorescent protein tags under a confocal laser scanning microscope (CLSM) and/or a total internal reflection fluorescence microscope (TIRFM). These methods are listed and their advantages and disadvantages are evaluated.

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Crossref · 10.1016/j.plantsci.2013.05.016

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Authors
Wada, M.
Affiliations
Kyushu University (JP)
Corresponding author
Wada, Masamitsu
Venue
Plant Science
Publisher
Elsevier BV
Published
2013-09
Volume
210
Pages
177-182
ISSN
0168-9452 (ISSN-L)
OpenAlex
W4230342159
Cited by
169
References
23
Citations by year
2026: 13 · 2025: 14 · 2024: 11 · 2023: 20 · 2022: 14 · 2021: 13 · 2020: 9 · 2019: 14 · 2018: 15 · 2017: 9 · 2016: 15 · 2015: 13 · 2014: 8 · 2013: 1
FWCI
14.87
Type
journal article
Language
en
Open access
closed
Locations
  • Plant Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Japan Society for the Promotion of Science (20227001)
  • Ministry of Education, Culture, Sports, Science and Technology (17084006, 23120523)
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
chloroplast movement, phototropin 2, phototropin 1, blue light signaling, chloroplast positioning, low light acclimation, photosynthesis, time-lapse imaging, Arabidopsis thaliana
MeSH terms
Chloroplasts, Darkness, Light, Actin Cytoskeleton, Microscopy, Fluorescence, Movement, Plant Proteins, Arabidopsis, Plant Leaves, Plants, Genetically Modified, Phototropins, Time-Lapse Imaging

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