Cited by 59Photosynthetic Processes and MechanismsLight effects on plantsPlant Stress Responses and Tolerance

Photoprotective function of chloroplast avoidance movement: In vivo chlorophyll fluorescence study

Sztatelman, Olga, Waloszek, Andrzej, Katarzyna Banaś, Agnieszka, Gabryś, Halina·2010·Journal of Plant Physiology

Abstract

Light-induced chloroplast avoidance movement has long been considered to be a photoprotective mechanism. Here, we present an experimental model in which this function can be shown for wild type Arabidopsis thaliana. We used blue light of different fluence rates for chloroplast positioning, and strong red light inactive in chloroplast positioning as a stressing light. The performance of photosystem II was measured by means of chlorophyll fluorescence. After stressing light treatment, a smaller decrease in photosystem II quantum yield was observed for leaves with chloroplasts in profile position as compared with leaves with chloroplasts in face position. Three Arabidopsis mutants, phot2 (no avoidance response), npq1 (impaired zeaxanhtin accumulation) and stn7 (no state transition), were examined for their chloroplast positioning and chlorophyll fluorescence parameters under identical experimental conditions. The results obtained for these mutants revealed additional stressing effects of blue light as compared with red light.

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Crossref · 10.1016/j.jplph.2009.12.015

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Authors
Sztatelman, O., Waloszek, A., Katarzyna Banaś, A., & Gabryś, H.
Affiliations
Jagiellonian University (PL)
Corresponding author
Gabryś, Halina
Venue
Journal of Plant Physiology
Publisher
Elsevier BV
Published
2010-06
Volume
167
Issue
9
Pages
709-716
ISSN
0176-1617 (ISSN-L)
OpenAlex
W2070891729
Cited by
59
References
33
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 4 · 2022: 3 · 2021: 3 · 2020: 4 · 2019: 2 · 2018: 5 · 2017: 3 · 2016: 5 · 2015: 8 · 2014: 1 · 2013: 7 · 2012: 5
FWCI
2.08
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Plant Physiology (publishedVersion)
  • PubMed (publishedVersion)
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
photoprotection, chloroplast positioning, photosystem II quantum yield, red light, Arabidopsis thaliana, zeaxanthin, state transitions, chlorophyll fluorescence
MeSH terms
Chlorophyll, Chloroplasts, Fluorescence, Light, Arabidopsis, Gene Expression Regulation, Plant, Arabidopsis Proteins

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