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  • Külheim, Carsetn, et al. (author)
  • Rapid Regulation of Light Harvesting and Plant Fitness in the Field.
  • 2002
  • In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 297:5578, s. 91-93
  • Journal article (peer-reviewed)abstract
    • We used Arabidopsis thaliana mutants to examine how a photosynthetic regulatory process, the qE-type or ΔpH-dependent nonphotochemical quenching, hereafter named feedback de-excitation, influences plant fitness in different light environments. We show that the feedback de-excitation is important for plant fitness in the field and in fluctuating light in a controlled environment but that it does not affect plant performance under constant light conditions. Our findings demonstrate that the feedback de-excitation confers a strong fitness advantage under field conditions and suggest that this advantage is due to the increase in plant tolerance to variation in light intensity rather than tolerance to high-intensity light itself.                      
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Jansson, Stefan (1)
Ågren, Jon (1)
Külheim, Carsetn (1)
University
Uppsala University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2002 (1)

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