High light and temperature reduce photosynthetic efficiency through different mechanisms in the C4 model Setaria viridis.
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Authors
Anderson, Cheyenne M
Zhang, Ningning
Becker, Eric
Avenson, Tom J
Berry, Jeffrey
Wilson, Margaret
Publication Date
2021-09-16Journal Title
Commun Biol
ISSN
2399-3642
Publisher
Springer Science and Business Media LLC
Volume
4
Issue
1
Language
eng
Type
Article
This Version
VoR
Metadata
Show full item recordCitation
Anderson, C. M., Mattoon, E. M., Zhang, N., Becker, E., McHargue, W., Yang, J., Patel, D., et al. (2021). High light and temperature reduce photosynthetic efficiency through different mechanisms in the C4 model Setaria viridis.. Commun Biol, 4 (1) https://doi.org/10.1038/s42003-021-02576-2
Description
Funder: start-up funding from Donald Danforth Plant Science Center
Abstract
C4 plants frequently experience high light and high temperature conditions in the field, which reduce growth and yield. However, the mechanisms underlying these stress responses in C4 plants have been under-explored, especially the coordination between mesophyll (M) and bundle sheath (BS) cells. We investigated how the C4 model plant Setaria viridis responded to a four-hour high light or high temperature treatment at photosynthetic, transcriptomic, and ultrastructural levels. Although we observed a comparable reduction of photosynthetic efficiency in high light or high temperature treated leaves, detailed analysis of multi-level responses revealed important differences in key pathways and M/BS specificity responding to high light and high temperature. We provide a systematic analysis of high light and high temperature responses in S. viridis, reveal different acclimation strategies to these two stresses in C4 plants, discover unique light/temperature responses in C4 plants in comparison to C3 plants, and identify potential targets to improve abiotic stress tolerance in C4 crops.
Keywords
Carbon, Hot Temperature, Light, Photosynthesis, Setaria Plant, Transcriptome
Sponsorship
United States Department of Defense | Defense Advanced Research Projects Agency (HR001118C0137)
United States Department of Defense | Defense Advanced Research Projects Agency (DARPA) (HR001118C0137)
Identifiers
PMC8446033, 34531541
External DOI: https://doi.org/10.1038/s42003-021-02576-2
This record's URL: https://www.repository.cam.ac.uk/handle/1810/329603
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