Cyanobacteria are ubiquitous in nature and have developed numerous strategies that allow them to live in a diverse range of environments. Certain cyanobacteria synthesize chlorophylls d and f to acclimate to niches enriched in far-red light (FRL) and incorporate paralogous photosynthetic proteins into their photosynthetic apparatus in a process called FRL-induced photoacclimation (FaRLiP). We characterized the macromolecular changes involved in FRL-driven photosynthesis and used atomic force microscopy to examine the supramolecular organization of photosystem I associated with FaRLiP in three cyanobacterial species. Mass spectrometry showed the changes in the proteome of Chroococcidiopsis thermalis PCC 7203 that accompany FaRLiP. Fluorescence lifetime imaging microscopy and electron microscopy reveal an altered cellular distribution of photosystem complexes and illustrate the cell-to-cell variability of the FaRLiP response.
Changes in supramolecular organization of cyanobacterial thylakoid membrane complexes in response to far-red light photoacclimation
C. MacGregor-Chatwin,Dennis J. Nürnberg,P. J. Jackson,Cvetelin Vasilev,A. Hitchcock,M. Ho,G. Shen,C. Gisriel,William H. J. Wood,M. Mahbub,Vera M Selinger,Matthew P. Johnson,M. Dickman,A. Rutherford,D. Bryant,C. Hunter
Published 2022 in Science Advances
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- Publication year
2022
- Venue
Science Advances
- Publication date
2022-02-01
- Fields of study
Biology, Medicine, Chemistry, Environmental Science
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- Source metadata
Semantic Scholar, PubMed
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