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

Ofra Lotan; Monika Streubel; Peter Westhoff; Rachel Nechushtai

doi:10.1007/BF00028816

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

Department of Plant and Environmental Sciences (Natural Sciences)

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	573-577
Number of pages	5
Journal	Plant Molecular Biology
Volume	21
Issue number	3
DOIs	https://doi.org/10.1007/BF00028816
State	Published - Feb 1993

Keywords

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

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10.1007/BF00028816

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

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).",

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AU - Nechushtai, Rachel

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AB - 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).

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

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