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Sirhindi G, Mushtaq R, Gill SS, Sharma P, Abd Allah EF, Ahmad P. Jasmonic acid and methyl jasmonate modulate growth, photosynthetic activity and expression of photosystem II subunit genes in Brassica oleracea L. Sci Rep 2020; 10:9322. [PMID: 32518304 PMCID: PMC7283480 DOI: 10.1038/s41598-020-65309-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 05/01/2020] [Indexed: 12/22/2022] Open
Abstract
The effects of jasmonic acid (JA) and methyl jasmonate (Me-JA) on photosynthetic efficiency and expression of some photosystem (PSII) related in different cultivars of Brassica oleracea L. (var. italica, capitata, and botrytis) were investigated. Plants raised from seeds subjected to a pre-sowing soaking treatment of varying concentrations of JA and Me-JA showed enhanced photosynthetic efficiency in terms of qP and chlorophyll fluorescence. Maximum quantum efficiency of PSII (Fv/Fm) was increased over that in the control seedlings. This enhancement was more pronounced in the Me-JA-treated seedlings compared to that in JA-treated ones. The expression of PSII genes was differentially regulated among the three varieties of B. oleracea. The gene PsbI up-upregulated in var. botrytis after treatment of JA and Me-JA, whereas PsbL up-regulated in capitata and botrytis after supplementation of JA. The gene PsbM showed many fold enhancements in these expressions in italica and botrytis after treatment with JA. However, the expression of the gene PsbM increased by both JA and Me-JA treatments. PsbTc(p) and PsbTc(n) were also found to be differentially expressed which revealed specificity with the variety chosen as well as JA or Me-JA treatments. The RuBP carboxylase activity remained unaffected by either JA or Me-JA supplementation in all three varieties of B. oleracea L. The data suggest that exogenous application of JA and Me-JA to seeds before germination could influence the assembly, stability, and repair of PS II in the three varieties of B. oleracea examined. Furthermore, this improvement in the PS II machinery enhanced the photosynthetic efficiency of the system and improved the photosynthetic productivity in terms of saccharides accumulation.
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Affiliation(s)
- Geetika Sirhindi
- Plant Physiology Laboratory, Department of Botany, Punjabi University, Patiala, 147002, Punjab, India.
| | - Ruqia Mushtaq
- Plant Physiology Laboratory, Department of Botany, Punjabi University, Patiala, 147002, Punjab, India.,Stress Physiology and Molecular Biology Lab, Centre for Biotechnology, Maharshi Dayanand University, Rohtak, 124 001, Haryana, India
| | - Sarvajeet Singh Gill
- Stress Physiology and Molecular Biology Lab, Centre for Biotechnology, Maharshi Dayanand University, Rohtak, 124 001, Haryana, India
| | - Poonam Sharma
- Plant Physiology Laboratory, Department of Botany, Punjabi University, Patiala, 147002, Punjab, India
| | - Elsayed F Abd Allah
- Department of Plant Production, Faculty of Food & Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Parvaiz Ahmad
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia. .,Department of Botany, S.P. College Srinagar, Jammu and Kashmir, India.
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Trotta A, Barera S, Marsano F, Osella D, Musso D, Pagliano C, Andreucci F, Barbato R. Isolation and characterization of a photosystem II preparation from thylakoid membranes of the extreme halophyte Salicornia veneta Pignatti et Lausi. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2018; 132:356-362. [PMID: 30261469 DOI: 10.1016/j.plaphy.2018.09.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 09/17/2018] [Accepted: 09/17/2018] [Indexed: 06/08/2023]
Abstract
Salicornia veneta (Pignatti et Lausi) is an extreme halophyte living in salt marsh where NaCl concentration may be as high as 1 M. Here we report on the isolation and characterization of a PSII preparation obtained by Triton X-100 solubilisation of the thylakoid membrane. By a combination of gel electrophoresis, immunoblotting and mass spectrometry, the depletion of a number of PSII proteins such as PsbQ, PsbM and PsbT was highlighted. Moreover, the requirement of Cl- and Ca2+ for optimal oxygen evolution was determined, showing that in absence of PsbQ a higher level of these ions are required. At high Cl- concentrations, oxygen evolution was inhibited in the same way in Salicornia veneta and spinach. Reconstitution of Salicornia veneta PSII preparation with partially purified spinach PsbP and PsbQ restored oxygen evolution activity at low Cl- and Ca2+ concentrations. Adaptation to high salt makes several PSII proteins dispensable.
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Affiliation(s)
- Andrea Trotta
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, viale Michel 11, I-15121, Alessandria, Italy; Molecular Plant Biology, Department of Biochemistry, University of Turku, FI-20014, Turku, Finland
| | - Simone Barera
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, viale Michel 11, I-15121, Alessandria, Italy
| | - Francesco Marsano
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, viale Michel 11, I-15121, Alessandria, Italy
| | - Domenico Osella
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, viale Michel 11, I-15121, Alessandria, Italy
| | - Davide Musso
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, viale Michel 11, I-15121, Alessandria, Italy
| | - Cristina Pagliano
- Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Viale Duca degli Abruzzi 24, I-10129, Torino, Italy
| | - Flora Andreucci
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, viale Michel 11, I-15121, Alessandria, Italy
| | - Roberto Barbato
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, viale Michel 11, I-15121, Alessandria, Italy.
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Gimpel JA, Nour-Eldin HH, Scranton MA, Li D, Mayfield SP. Refactoring the Six-Gene Photosystem II Core in the Chloroplast of the Green Algae Chlamydomonas reinhardtii. ACS Synth Biol 2016. [PMID: 26214707 DOI: 10.1021/acssynbio.5b00076] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Oxygenic photosynthesis provides the energy to produce all food and most of the fuel on this planet. Photosystem II (PSII) is an essential and rate-limiting component of this process. Understanding and modifying PSII function could provide an opportunity for optimizing photosynthetic biomass production, particularly under specific environmental conditions. PSII is a complex multisubunit enzyme with strong interdependence among its components. In this work, we have deleted the six core genes of PSII in the eukaryotic alga Chlamydomonas reinhardtii and refactored them in a single DNA construct. Complementation of the knockout strain with the core PSII synthetic module from three different green algae resulted in reconstitution of photosynthetic activity to 85, 55, and 53% of that of the wild-type, demonstrating that the PSII core can be exchanged between algae species and retain function. The strains, synthetic cassettes, and refactoring strategy developed for this study demonstrate the potential of synthetic biology approaches for tailoring oxygenic photosynthesis and provide a powerful tool for unraveling PSII structure-function relationships.
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Affiliation(s)
- Javier A. Gimpel
- California Center for Algae
Biotechnology Division of Biological Sciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0368, United States
| | - Hussam H. Nour-Eldin
- California Center for Algae
Biotechnology Division of Biological Sciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0368, United States
| | - Melissa A. Scranton
- California Center for Algae
Biotechnology Division of Biological Sciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0368, United States
| | - Daphne Li
- California Center for Algae
Biotechnology Division of Biological Sciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0368, United States
| | - Stephen P. Mayfield
- California Center for Algae
Biotechnology Division of Biological Sciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0368, United States
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Aoki R, Hiraide Y, Yamakawa H, Fujita Y. A novel "oxygen-induced" greening process in a cyanobacterial mutant lacking the transcriptional activator ChlR involved in low-oxygen adaptation of tetrapyrrole biosynthesis. J Biol Chem 2014; 289:1841-51. [PMID: 24297184 PMCID: PMC3894359 DOI: 10.1074/jbc.m113.495358] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Revised: 11/27/2013] [Indexed: 11/06/2022] Open
Abstract
ChlR activates the transcription of the chlAII-ho2-hemN operon in response to low-oxygen conditions in the cyanobacterium Synechocystis sp. PCC 6803. Three genes in the operon encode low-oxygen-type enzymes to bypass three oxygen-dependent reactions in tetrapyrrole biosynthesis. A chlR-lacking mutant, ΔchlR, shows poor photoautotrophic growth due to low chlorophyll (Chl) content under low-oxygen conditions, which is caused by no induction of the operon. Here, we characterized the processes of etiolation of ΔchlR cells in low-oxygen conditions and the subsequent regreening of the etiolated cells upon exposure to oxygen, by HPLC, Western blotting, and low-temperature fluorescence spectra. The Chl content of the etiolated ΔchlR cells incubated under low-oxygen conditions for 7 days was only 10% of that of the wild-type with accumulation of almost all intermediates of the magnesium branch of Chl biosynthesis. Both photosystem I (PSI) and photosystem II (PSII) were significantly decreased, accompanied by a preferential decrease of antenna Chl in PSI. Upon exposure to oxygen, the etiolated ΔchlR cells resumed to produce Chl after a short lag (∼2 h), and the level at 72 h was 80% of that of the wild-type. During this novel "oxygen-induced" greening process, the PSI and PSII contents were largely increased in parallel with the increase in Chl contents. After 72 h, the PSI content reached ∼50% of the wild-type level in contrast to the full recovery of PSII. ΔchlR provides a promising alternative system to investigate the biogenesis of PSI and PSII.
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Affiliation(s)
- Rina Aoki
- From the Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Yuto Hiraide
- From the Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Hisanori Yamakawa
- From the Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Yuichi Fujita
- From the Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
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Pagliano C, Saracco G, Barber J. Structural, functional and auxiliary proteins of photosystem II. PHOTOSYNTHESIS RESEARCH 2013; 116:167-88. [PMID: 23417641 DOI: 10.1007/s11120-013-9803-8] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2012] [Accepted: 02/07/2013] [Indexed: 05/06/2023]
Abstract
Photosystem II (PSII) is the water-splitting enzyme complex of photosynthesis and consists of a large number of protein subunits. Most of these proteins have been structurally and functionally characterized, although there are differences between PSII of plants, algae and cyanobacteria. Here we catalogue all known PSII proteins giving a brief description, where possible of their genetic origin, physical properties, structural relationships and functions. We have also included details of auxiliary proteins known at present to be involved in the in vivo assembly, maintenance and turnover of PSII and which transiently bind to the reaction centre core complex. Finally, we briefly give details of the proteins which form the outer light-harvesting systems of PSII in different types of organisms.
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Affiliation(s)
- Cristina Pagliano
- Applied Science and Technology Department-BioSolar Lab, Politecnico di Torino, Viale T. Michel 5, 15121, Torino, Alessandria, Italy,
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Shi LX, Hall M, Funk C, Schröder WP. Photosystem II, a growing complex: updates on newly discovered components and low molecular mass proteins. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 2011; 1817:13-25. [PMID: 21907181 DOI: 10.1016/j.bbabio.2011.08.008] [Citation(s) in RCA: 118] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2011] [Revised: 08/19/2011] [Accepted: 08/23/2011] [Indexed: 12/12/2022]
Abstract
Photosystem II is a unique complex capable of absorbing light and splitting water. The complex has been thoroughly studied and to date there are more than 40 proteins identified, which bind to the complex either stably or transiently. Another special feature of this complex is the unusually high content of low molecular mass proteins that represent more than half of the proteins. In this review we summarize the recent findings on the low molecular mass proteins (<15kDa) and present an overview of the newly identified components as well. We have also performed co-expression analysis of the genes encoding PSII proteins to see if the low molecular mass proteins form a specific sub-group within the Photosystem II complex. Interestingly we found that the chloroplast-localized genes encoding PSII proteins display a different response to environmental and stress conditions compared to the nuclear localized genes. This article is part of a Special Issue entitled: Photosystem II.
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Affiliation(s)
- Lan-Xin Shi
- Department of Plant Biology, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
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Zghidi-Abouzid O, Merendino L, Buhr F, Malik Ghulam M, Lerbs-Mache S. Characterization of plastid psbT sense and antisense RNAs. Nucleic Acids Res 2011; 39:5379-87. [PMID: 21421558 PMCID: PMC3141253 DOI: 10.1093/nar/gkr143] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The plastid psbB operon is composed of the psbB, psbT, psbH, petB and petD genes. The psbN gene is located in the intergenic region between psbT and psbH on the opposite DNA strand. Transcription of psbN is under control of sigma factor 3 (SIG3) and psbN read-through transcription produces antisense RNA to psbT mRNA. To investigate on the question of whether psbT gene expression might be regulated by antisense RNA, we have characterized psbT sense and antisense RNAs. Mapping of 5′ and 3′-ends by circular RT–PCR and /or 5′-RACE experiments reveal the existence of two different sense and antisense RNAs each, one limited to psbT RNA and a larger one that covers, in addition, part of the psbB coding region. Sense and antisense RNAs seem to form double-stranded RNA/RNA hybrids as indicated by nuclease digestion experiments followed by RT–PCR amplification to reveal nuclease resistant RNA. Western immunoblotting using antibodies made against PSBT protein and primer extension analysis of different plastid mRNA species and psbT antisense RNA suggest that sequestering of psbT mRNA by hybrid formation results in translational inactivation of the psbT mRNA and provides protection against nucleolytic degradation of mRNA during photooxydative stress conditions.
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Affiliation(s)
- Ouafa Zghidi-Abouzid
- Laboratoire de Physiologie Cellulaire Végétale, UMR 5168, CNRS/UJF/INRA/CEA, CEA-Grenoble, 17 rue des Martyrs, 38054 Grenoble cedex, France
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Laganowsky A, Gómez SM, Whitelegge JP, Nishio JN. Hydroponics on a chip: Analysis of the Fe deficient Arabidopsis thylakoid membrane proteome. J Proteomics 2009; 72:397-415. [DOI: 10.1016/j.jprot.2009.01.024] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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