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Rubredoxin 1 promotes the proper folding of D1 and is not required for heme b559 assembly in Chlamydomonas photosystem II

Journal Article · · Journal of Biological Chemistry
 [1];  [2];  [2];  [3]
  1. University of California, Berkeley, CA (United States); Umeå University (Sweden)
  2. Centre National de la Recherche Scientifique and Sorbonne Université, Paris (France)
  3. University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Photosystem II (PSII), the water:plastoquinone oxidoreductase of oxygenic photosynthesis, contains a heme b559 iron whose axial ligands are provided by histidine residues from the α (PsbE) and β (PsbF) subunits. PSII assembly depends on accessory proteins that facilitate the step-wise association of its protein and pigment components into a functional complex, a process that is challenging to study due to the low accumulation of assembly intermediates. Here, we examined the putative role of the iron[1Fe-0S]-containing protein rubredoxin 1 (RBD1) as an assembly factor for cytochrome b559, using the RBD1-lacking 2pac mutant from Chlamydomonas reinhardtii, in which the accumulation of PSII was rescued by the inactivation of the thylakoid membrane FtsH protease. To this end, we constructed the double mutant 2pac ftsh1-1, which harbored PSII dimers that sustained its photoautotrophic growth. We purified PSII from the 2pac ftsh1-1 background and found that α and β cytochrome b559 subunits are still present and coordinate heme b559 as in the WT. Interestingly, immunoblot analysis of dark- and low light–grown 2pac ftsh1-1 showed the accumulation of a 23-kDa fragment of the D1 protein, a marker typically associated with structural changes resulting from photodamage of PSII. Its cleavage occurs in the vicinity of a nonheme iron which binds to PSII on its electron acceptor side. Altogether, our findings demonstrate that RBD1 is not required for heme b559 assembly and point to a role for RBD1 in promoting the proper folding of D1, possibly via delivery or reduction of the nonheme iron during PSII assembly.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
Agence Nationale de la Recherche; French State; National Institutes of Health (NIH); USDOE
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
2470927
Journal Information:
Journal of Biological Chemistry, Journal Name: Journal of Biological Chemistry Journal Issue: 3 Vol. 299; ISSN 0021-9258
Publisher:
American Society for Biochemistry and Molecular BiologyCopyright Statement
Country of Publication:
United States
Language:
English

References (60)

Partial characterization of the biosynthesis and integration of the Photosystem II reaction centers in the thylakoid membrane of Chlamydomonas reinhardtii journal April 1984
Identification of a primary in vivo degradation product of the rapidly-turning-over 32 kd protein of photosystem II. journal October 1987
The assembly of cytochrome b6/f complexes: an approach using genetic transformation of the green alga Chlamydomonas reinhardtii. journal March 1994
Characterization of photosystem II mutants of Chlamydomonas reinhardii lacking the psbA gene journal January 1986
A new setup for in vivo fluorescence imaging of photosynthetic activity journal August 2009
Two sites of primary degradation of the D1-protein induced by acceptor or donor side photo-inhibition in photosystem II core complexes journal April 1992
Determination of accurate extinction coefficients and simultaneous equations for assaying chlorophylls a and b extracted with four different solvents: verification of the concentration of chlorophyll standards by atomic absorption spectroscopy journal August 1989
Chlamydomonas genetics, a tool for the study of bioenergetic pathways journal October 1998
Photosystem II particles from Chlamydomonas reinhardtii. Purification, molecular weight, small subunit composition, and protein phosphorylation. journal September 1991
Extinction coefficients of cytochromes b559 and c550 of Thermosynechococcus elongatus and Cyt b559/PS II stoichiometry of higher plants journal July 2005
On the advantages of using green light to study fluorescence yield changes in leaves journal January 2007
Role of FtsH2 in the repair of Photosystem II in mutants of the cyanobacterium Synechocystis PCC 6803 with impaired assembly or stability of the CaMn4 cluster journal May 2010
Photodamaged D1 protein is degraded in Arabidopsis mutants lacking the Deg2 protease journal December 2006
Assembling and maintaining the Photosystem II complex in chloroplasts and cyanobacteria journal June 2012
ATR-FTIR Spectroelectrochemical Study on the Mechanism of the pH Dependence of the Redox Potential of the Non-Heme Iron in Photosystem II journal June 2021
Specific Degradation of the D1 Protein of Photosystem II by Treatment with Hydrogen Peroxide in Darkness: Implications for the Mechanism of Degradation of the D1 Protein under Illumination journal August 1995
Acceptor side mechanism of photoinduced proteolysis of the D1 protein in photosystem II reaction centers journal July 1993
Single Molecule Force Spectroscopy Reveals That Iron Is Released from the Active Site of Rubredoxin by a Stochastic Mechanism journal May 2013
Cleavage of Structural Proteins during the Assembly of the Head of Bacteriophage T4 journal August 1970
Crystal structure of oxygen-evolving photosystem II at a resolution of 1.9 Å journal April 2011
Photosynthetic growth despite a broken Q-cycle journal May 2011
A highly active histidine-tagged Chlamydomonas reinhardtii Photosystem II preparation for structural and biophysical analysis journal November 2007
Biogenic membranes of the chloroplast in Chlamydomonas reinhardtii journal November 2012
A thylakoid membrane-bound and redox-active rubredoxin (RBD1) functions in de novo assembly and repair of photosystem II journal July 2019
Tocopherol controls D1 amino acid oxidation by oxygen radicals in Photosystem II journal January 2021
Mitotic Replication of Deoxyribonucleic acid in Chlamydomonas Reinhardi journal January 1960
Rubredoxin: a new electron transfer protein from Clostridium pasteurianum. journal July 1965
Cytochrome f and plastocyanin: their sequence in the photosynthetic electron transport chain of Chlamydomonas reinhardi. journal December 1965
Chlorophyll regulates accumulation of the plastid-encoded chlorophyll apoproteins CP43 and D1 by increasing apoprotein stability. journal June 1990
Mechanism of photosystem II photoinactivation and D1 protein degradation at low light: The role of back electron flow journal February 1997
GTP bound to chloroplast thylakoid membranes is required for light-induced, multienzyme degradation of the photosystem II D1 protein journal May 1999
Occupation of the QB-binding Pocket by a Photosystem II Inhibitor Triggers Dark Cleavage of the D1 Protein Subjected to Brief Preillumination journal July 1996
Identification, Characterization, and Molecular Cloning of a Homologue of the Bacterial FtsH Protease in Chloroplasts of Higher Plants journal November 1996
Eukaryotically Encoded and Chloroplast-located Rubredoxin Is Associated with Photosystem II journal June 2000
Investigating the Early Stages of Photosystem II Assembly in Synechocystis sp. PCC 6803 : ISOLATION OF CP47 AND CP43 COMPLEXES journal February 2011
A Conserved Rubredoxin Is Necessary for Photosystem II Accumulation in Diverse Oxygenic Photoautotrophs journal July 2013
An Iron Reservoir to the Catalytic Metal: THE RUBREDOXIN IRON IN AN EXTRADIOL DIOXYGENASE journal April 2015
Assembly of Photosystem I: I. INACTIVATION OF THE journal March 2002
Accumulation of the D2 Protein Is a Key Regulatory Step for Assembly of the Photosystem II Reaction Center Complex in Synechocystis PCC 6803 journal September 2004
The FtsH Protease slr0228 Is Important for Quality Control of Photosystem II in the Thylakoid Membrane of Synechocystis sp. PCC 6803 journal November 2005
Posttranslational events leading to the assembly of photosystem II protein complex: a study using photosynthesis mutants from Chlamydomonas reinhardtii journal September 1989
Membrane protein damage and repair: removal and replacement of inactivated 32-kilodalton polypeptides in chloroplast membranes journal August 1984
Recent advances in understanding the assembly and repair of photosystem II journal March 2010
A chloroplast DegP2 protease performs the primary cleavage of the photodamaged D1 protein in plant photosystem II journal February 2001
Complexome profiling on the Chlamydomonas lpa2 mutant reveals insights into PSII biogenesis and new PSII associated proteins journal August 2021
Assembly of D1/D2 complexes of photosystem II: Binding of pigments and a network of auxiliary proteins journal February 2022
The Stromal Chloroplast Deg7 Protease Participates in the Repair of Photosystem II after Photoinhibition in Arabidopsis     journal January 2010
Cooperative D1 Degradation in the Photosystem II Repair Mediated by Chloroplastic Proteases in Arabidopsis journal June 2012
The Chlamydomonas deg1c Mutant Accumulates Proteins Involved in High Light Acclimation journal October 2019
The Thylakoid Lumen Protease Deg1 Is Involved in the Repair of Photosystem II from Photoinhibition in Arabidopsis journal March 2007
The Arabidopsis Thylakoid Protein PAM68 Is Required for Efficient D1 Biogenesis and Photosystem II Assembly journal October 2010
Thylakoid FtsH Protease Contributes to Photosystem II and Cytochrome b 6 f Remodeling in Chlamydomonas reinhardtii under Stress Conditions journal January 2014
Conditional Depletion of the Chlamydomonas Chloroplast ClpP Protease Activates Nuclear Genes Involved in Autophagy and Plastid Protein Quality Control journal May 2014
Systems-Wide Analysis of Acclimation Responses to Long-Term Heat Stress and Recovery in the Photosynthetic Model OrganismChlamydomonas reinhardtii    journal November 2014
The Thylakoid FtsH Protease Plays a Role in the Light-Induced Turnover of the Photosystem II D1 Protein journal March 2000
A Photosynthesis-Specific Rubredoxin-Like Protein Is Required for Efficient Association of the D1 and D2 Proteins during the Initial Steps of Photosystem II Assembly journal July 2019
Photosystem II Assembly: From Cyanobacteria to Plants journal April 2013
The family of Deg/HtrA proteases in plants journal April 2012
FtsH Protease in the Thylakoid Membrane: Physiological Functions and the Regulation of Protease Activity journal June 2018
Rubredoxin 1 Is Required for Formation of the Functional Photosystem II Core Complex in Arabidopsis thaliana journal February 2022

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