Subunit III (Psa-F) of photosystem I reaction center of the C4 dicotyledon Flaveria trinervia

Ofra Lotan*, Monika Streubel, Peter Westhoff, Rachel Nechushtai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

An immunological survey of C3, C4 and C3-C4-intermediate Flaveria species showed that subunit III (PsaF) of the photosystem I reaction center (PSI-RC) is present in all these species. This was confirmed by the isolation of the gene encoding the PSI-RC subunit III (PsaF) from Flaveria trinervia, the first psaF gene to be isolated from a C4 plant. The deduced amino acid sequence showed a high degree of similarity to the corresponding protein of spinach which is a C3 species. A region of 17 hydrophobic amino acids in the C-terminal part of the F. trinervia protein was found to be especially conserved in all PsaF proteins studied so far (cyanobacteria and Chlamydomonas).

Original languageAmerican English
Pages (from-to)573-577
Number of pages5
JournalPlant Molecular Biology
Volume21
Issue number3
DOIs
StatePublished - Feb 1993

Keywords

  • C3/C4 plants
  • Flaveria
  • photosystem I
  • subunit III (PsaF)

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