Phylogenomic and structural modeling analyses of the PsbP superfamily reveal multiple small segment additions in the evolution of photosystem II-associated PsbP protein in green plants

Molecular Phylogenetics and Evolution
Naoki Sato

Abstract

PsbP is a thylakoid lumen protein involved in oxygen evolution in photosystem II (PSII) in green plants. Genomic analysis identified a number of PsbP homologs in plants, algae, and cyanobacteria. To analyze the transition of cyanobacterial PsbO/U/V complex to PsbO/P/Q complex in green plants, the evolutionary history of the PsbP superfamily was reconstructed. Phylogenetic analyses suggested that PsbP homologs be classified into eight major families (A-H), which were also characterized by specific insertion/deletion of short segments, as found by sequence alignment and homology modeling. Family A represented authentic PsbP proteins involved in oxygen evolution. The cyanobacterial PsbP and plant/algal PPL (Family H), having the simplest structure, should be considered as the root of all other families of PsbP, which subsequently gained various short, family-specific structural motifs during diversification of PsbP families. Interestingly, segments specific to Family A proteins were found arranged as a ring surrounding the modeled Arabidopsis PsbP protein. These results suggest that Family A-specific additions of short segments played a decisive role in the transition of PsbO/U/V to PsbO/P/Q complex in green plants.

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Citations

Jan 31, 2014·Plant Physiology and Biochemistry : PPB·Kentaro Ifuku
Apr 9, 2013·Photosynthesis Research·Terry M BrickerLaurie K Frankel
Nov 26, 2015·Biochimica Et Biophysica Acta·Steffen HeinzMarc Nowaczyk
Mar 8, 2011·Journal of Photochemistry and Photobiology. B, Biology·Kentaro IfukuFumihiko Sato
Feb 26, 2011·Journal of Photochemistry and Photobiology. B, Biology·Robert D Fagerlund, Julian J Eaton-Rye
Jul 30, 2010·Journal of Integrative Plant Biology·Congming Lu
Aug 2, 2011·Biochimica Et Biophysica Acta·Terry M BrickerJulian J Eaton-Rye
Apr 8, 2015·Bioscience, Biotechnology, and Biochemistry·Kentaro Ifuku
Nov 22, 2014·Frontiers in Plant Science·Kai U CormannMarc M Nowaczyk
Sep 10, 2014·Proceedings of the National Academy of Sciences of the United States of America·Koichiro AwaiNaoki Sato
May 3, 2016·The Plant Journal : for Cell and Molecular Biology·Naoki SatoTakashi Moriyama
Jul 30, 2010·Journal of Integrative Plant Biology·Kentaro IfukuFumihiko Sato
Mar 24, 2012·Acta Crystallographica. Section F, Structural Biology and Crystallization Communications·Michael HallWolfgang P Schröder
Aug 8, 2021·International Journal of Molecular Sciences·Peter J GollanEva-Mari Aro

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