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Beliaev DV, Tereshonok DV, Lunkova NF, Baranova EN, Osipova ES, Lisovskii SV, Raldugina GN, Kuznetsov VV. Expression of Cytochrome c3 from Desulfovibrio vulgaris in Plant Leaves Enhances Uranium Uptake and Tolerance of Tobacco. Int J Mol Sci 2021; 22:12622. [PMID: 34884428 PMCID: PMC8657950 DOI: 10.3390/ijms222312622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/16/2021] [Accepted: 11/19/2021] [Indexed: 11/16/2022] Open
Abstract
Cytochrome c3 (uranyl reductase) from Desulfovibrio vulgaris can reduce uranium in bacterial cells and in cell-free systems. This gene was introduced in tobacco under control of the RbcS promoter, and the resulting transgenic plants accumulated uranium when grown on a uranyl ion containing medium. The uptaken uranium was detected by EM in chloroplasts. In the presence of uranyl ions in sublethal concentration, the transgenic plants grew phenotypically normal while the control plants' development was impaired. The data on uranium oxidation state in the transgenic plants and the possible uses of uranium hyperaccumulation by plants for environmental cleanup are discussed.
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Affiliation(s)
- Denis V. Beliaev
- K. A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia; (D.V.T.); (N.F.L.); (E.S.O.); (V.V.K.)
| | - Dmitry V. Tereshonok
- K. A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia; (D.V.T.); (N.F.L.); (E.S.O.); (V.V.K.)
| | - Nina F. Lunkova
- K. A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia; (D.V.T.); (N.F.L.); (E.S.O.); (V.V.K.)
| | - Ekaterina N. Baranova
- N.V. Tsitsin Main Botanical Garden of Russian Academy of Sciences, Botanicheskaya 4, 127276 Moscow, Russia;
- All-Russia Research Institute of Agricultural Biotechnology, 127550 Moscow, Russia
| | - Ekaterina S. Osipova
- K. A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia; (D.V.T.); (N.F.L.); (E.S.O.); (V.V.K.)
| | | | - Galina N. Raldugina
- K. A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia; (D.V.T.); (N.F.L.); (E.S.O.); (V.V.K.)
| | - Vladimir V. Kuznetsov
- K. A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia; (D.V.T.); (N.F.L.); (E.S.O.); (V.V.K.)
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Katzke N, Arvani S, Bergmann R, Circolone F, Markert A, Svensson V, Jaeger KE, Heck A, Drepper T. A novel T7 RNA polymerase dependent expression system for high-level protein production in the phototrophic bacterium Rhodobacter capsulatus. Protein Expr Purif 2009; 69:137-46. [PMID: 19706327 DOI: 10.1016/j.pep.2009.08.008] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2009] [Revised: 08/19/2009] [Accepted: 08/20/2009] [Indexed: 10/20/2022]
Abstract
The functional expression of heterologous genes using standard bacterial expression hosts such as Escherichia coli is often limited, e.g. by incorrect folding, assembly or targeting of recombinant proteins. Consequently, alternative bacterial expression systems have to be developed to provide novel strategies for protein synthesis exceeding the repertoire of the standard expression host E. coli. Here, we report on the construction of a novel expression system that combines the high processivity of T7 RNA polymerase with the unique physiological properties of the facultative photosynthetic bacterium Rhodobacter capsulatus. This system basically consists of a recombinant R. capsulatus T7 expression strain (R. capsulatus B10S-T7) harboring the respective polymerase gene under control of a fructose inducible promoter. In addition, a set of different broad-host-range vectors (pRho) was constructed allowing T7 RNA polymerase dependent and independent target gene expression in R. capsulatus and other Gram-negative bacteria. The expression efficiency of the novel system was studied in R. capsulatus and E. coli using the yellow fluorescent protein (YFP) as model protein. Expression levels were comparable in both expression hosts and yielded up to 80mg/l YFP in phototrophically grown R. capsulatus cultures. This result clearly indicates that the novel R. capsulatus-based expression system is well suited for the high-level expression of soluble proteins.
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Affiliation(s)
- Nadine Katzke
- Institute of Molecular Enzyme Technology, Heinrich-Heine-University Duesseldorf, Forschungszentrum Juelich, Stetternicher Forst, D-52426 Juelich, Germany
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Takayama Y, Shen Y, Akutsu H. Process of Maturation of Tetraheme Cytochrome c3 in a Shewanella Expression System. ACTA ACUST UNITED AC 2006; 141:121-6. [PMID: 17167041 DOI: 10.1093/jb/mvm015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
The process of maturation of multiheme proteins is not yet well known, while that of monoheme ones has been relatively well investigated. Two kinds of partly unfolded tetraheme cytochrome c3 were obtained on overexpression in Shewanella oneidensis TSP-C. These proteins were characterized by circular dichroism and nuclear magnetic resonance spectroscopy. It turned out that the tetraheme architecture, and the fifth and sixth ligand coordination are almost mature, while some parts of the polypeptide are unfolded. The unfolded residues are mainly located in the helix-rich region including heme attachment and axial ligand sites. This suggests that the formation of the heme architecture, coordination of axial ligands and helix formation should be coupled with each other. While the former two can take place automatically, the helix formation would need help by a chaperone-like function in the cytochrome c maturation (Ccm) machinery. It must be working in sulphate-reducing bacteria. The Ccm machinery in S. oneidensis is likely insufficient to help the maturation of proteins with cyclic heme architectures. This is the first report providing an insight into the process of maturation of tetraheme cytochrome c3.
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Affiliation(s)
- Yuki Takayama
- Institute for Protein Research, Osaka University, 3-2 Yamadaoka, Suita, Osaka 565-0871, Japan
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Groh JL, Luo Q, Ballard JD, Krumholz LR. A method adapting microarray technology for signature-tagged mutagenesis of Desulfovibrio desulfuricans G20 and Shewanella oneidensis MR-1 in anaerobic sediment survival experiments. Appl Environ Microbiol 2005; 71:7064-74. [PMID: 16269742 PMCID: PMC1287673 DOI: 10.1128/aem.71.11.7064-7074.2005] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Signature-tagged mutagenesis (STM) is a powerful technique that can be used to identify genes expressed by bacteria during exposure to conditions in their natural environments. To date, there have been no reports of studies in which this approach was used to study organisms of environmental, rather than pathogenic, significance. We used a mini-Tn10 transposon-bearing plasmid, pBSL180, that efficiently and randomly mutagenized Desulfovibrio desulfuricans G20 in addition to Shewanella oneidensis MR-1. Using these organisms as model sediment-dwelling anaerobic bacteria, we developed a new screening system, modified from former STM procedures, to identify genes that are critical for sediment survival. The screening system uses microarray technology to visualize tags from input and output pools, allowing us to identify those lost during sediment incubations. While the majority of data on survival genes identified will be presented in future papers, we report here on chemotaxis-related genes identified by our STM method in both bacteria in order to validate our method. This system may be applicable to the study of numerous environmental bacteria, allowing us to identify functions and roles of survival genes in various habitats.
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Affiliation(s)
- Jennifer L Groh
- Department of Botany and Microbiology, University of Oklahoma, Norman, OK 73019, USA
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Ozawa K, Tsapin AI, Nealson KH, Cusanovich MA, Akutsu H. Expression of a tetraheme protein, Desulfovibrio vulgaris Miyazaki F cytochrome c(3), in Shewanella oneidensis MR-1. Appl Environ Microbiol 2000; 66:4168-71. [PMID: 10966450 PMCID: PMC92280 DOI: 10.1128/aem.66.9.4168-4171.2000] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Cytochrome c(3) from Desulfovibrio vulgaris Miyazaki F was successfully expressed in the facultative aerobe Shewanella oneidensis MR-1 under anaerobic, microaerophilic, and aerobic conditions, with yields of 0.3 to 0.5 mg of cytochrome/g of cells. A derivative of the broad-host-range plasmid pRK415 containing the cytochrome c(3) gene from D. vulgaris Miyazaki F was used for transformation of S. oneidensis MR-1, resulting in the production of protein product that was indistinguishable from that produced by D. vulgaris Miyazaki F, except for the presence of one extra alanine residue at the N terminus.
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Affiliation(s)
- K Ozawa
- Department of Chemistry and Biotechnology, Faculty of Engineering, Yokohama National University, Hodogaya-ku, Yokohama 240-8501, Japan
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Morelli X, Dolla A, Toci R, Guerlesquin F. 15N-labelling and preliminary heteronuclear NMR study of Desulfovibrio vulgaris Hildenborough cytochrome c553. EUROPEAN JOURNAL OF BIOCHEMISTRY 1999; 261:398-404. [PMID: 10215849 DOI: 10.1046/j.1432-1327.1999.00292.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
When using heteronuclear NMR, 15N-labelling is necessary for structural analysis, dynamic studies and determination of complex formation. The problems that arise with isotopic labelling of metalloproteins are due to their complex maturation process, which involves a large number of factors. Cytochromes c are poorly expressed in Escherichia coli and the overexpression that is necessary for 15N-labelling, requires an investigation of the expression host and special attention to growth conditions. We have succeeded in the heterologous expression and the complete and uniform isotopic 15N-labelling of the cytochrome c553 from Desulfovibrio vulgaris Hildenborough, in a sulphate-reducing bacterium, D. desulfuricans G200, by using a growth medium combining 15N-ammonium chloride and 15N-Celtone. These conditions allowed us to obtain approximately 0.8 mg x L-1 of pure labelled cytochrome c553. 1H and 15N-assignments for both the oxidized and the reduced states of cytochrome c553 were obtained from two-dimensional heteronuclear experiments. Pseudocontact effects due to the haem Fe3+ have been analysed for the first time through 15N and 1H chemical shifts in a c-type cytochrome.
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Affiliation(s)
- X Morelli
- Unité de Bioénergétique et Ingénierie des Protéines, IBSM-CNRS, Marseille, France
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Page MD, Sockett RE. 13 Molecular Genetic Methods in Paracoccus and Rhodobacter with Particular Reference to the Analysis of Respiration and Photosynthesis. METHODS IN MICROBIOLOGY 1999. [DOI: 10.1016/s0580-9517(08)70124-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Pollock WB, Voordouw G. Molecular biology of c-type cytochromes from Desulfovibrio vulgaris Hildenborough. Biochimie 1994; 76:554-60. [PMID: 7880894 DOI: 10.1016/0300-9084(94)90179-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Sulfate reducing bacteria of the genus Desulfovibrio harbor a wide variety of redox proteins. Three different c-type cytochromes, cytochrome c-553, cytochrome c3 and the high molecular mass cytochrome have been isolated from these bacteria. The high molecular mass cytochrome is part of an operon that encodes a transmembrane protein complex that mediates electron transfer across the cytoplasmic membrane. The physiological function of the other two cytochromes is less clear. They are encoded by monocistronic genes and their redox partners can thus not be identified by gene sequencing. Expression of genes for c-type cytochromes in a foreign host are complicated due to the requirement for covalent heme insertion. Cytochrome c-553 is readily expressed in Escherichia coli in functional form, but cytochrome c3 and the high molecular mass cytochrome are for reasons that are presently not clear.
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Affiliation(s)
- W B Pollock
- Department of Biochemistry, University of British Columbia, Vancouver, Canada
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Affiliation(s)
- I B Coutinho
- Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Portugal
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Lovley DR, Widman PK, Woodward JC, Phillips EJ. Reduction of uranium by cytochrome c3 of Desulfovibrio vulgaris. Appl Environ Microbiol 1993; 59:3572-6. [PMID: 8285665 PMCID: PMC182500 DOI: 10.1128/aem.59.11.3572-3576.1993] [Citation(s) in RCA: 184] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
The mechanism for U(VI) reduction by Desulfovibrio vulgaris (Hildenborough) was investigated. The H2-dependent U(VI) reductase activity in the soluble fraction of the cells was lost when the soluble fraction was passed over a cationic exchange column which extracted cytochrome c3. Addition of cytochrome c3 back to the soluble fraction that had been passed over the cationic exchange column restored the U(VI)-reducing capacity. Reduced cytochrome c3 was oxidized by U(VI), as was a c-type cytochrome(s) in whole-cell suspensions. When cytochrome c3 was combined with hydrogenase, its physiological electron donor, U(VI) was reduced in the presence of H2. Hydrogenase alone could not reduce U(VI). Rapid U(VI) reduction was followed by a subsequent slow precipitation of the U(IV) mineral uraninite. Cytochrome c3 reduced U(VI) in a uranium-contaminated surface water and groundwater. Cytochrome c3 provides the first enzyme model for the reduction and biomineralization of uranium in sedimentary environments. Furthermore, the finding that cytochrome c3 can catalyze the reductive precipitation of uranium may aid in the development of fixed-enzyme reactors and/or organisms with enhanced U(VI)-reducing capacity for the bioremediation of uranium-contaminated waters and waste streams.
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Affiliation(s)
- D R Lovley
- Water Resources Division, U.S. Geological Survey, Reston, Virginia 22092
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Ubbink M, Van Beeumen J, Canters GW. Cytochrome c550 from Thiobacillus versutus: cloning, expression in Escherichia coli, and purification of the heterologous holoprotein. J Bacteriol 1992; 174:3707-14. [PMID: 1339423 PMCID: PMC206060 DOI: 10.1128/jb.174.11.3707-3714.1992] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The gene coding for cytochrome c550 from Thiobacillus versutus, cycA, has been cloned and sequenced. It codes for a protein of 134 amino acids plus a 19-amino-acid-long signal peptide. Both coding and noncoding DNA sequences of the clone are homologous to the Paracoccus denitrificans DNA sequence. An expression vector was constructed by cloning the cycA gene directly behind the lac promoter of pUC. The cycA gene was expressed in Escherichia coli under semianaerobic conditions, and mature holo-cytochrome c550 was isolated with the periplasmic soluble protein fraction. Under both aerobic and anaerobic conditions, significantly less cytochrome c550 was produced. The heterologously expressed cytochrome c550 was isolated and purified to better than 95% purity and was compared with cytochrome c550 isolated and purified from T. versutus. No structural differences could be detected by using sodium dodecyl sulfate-polyacrylamide gel electrophoresis UV-visible light spectroscopy, and 1H nuclear magnetic resonance spectroscopy, indicating that E. coli produces the cytochrome and attaches the heme correctly.
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Affiliation(s)
- M Ubbink
- Gorlaeus Laboratories, Department of Chemistry, Leiden University, The Netherlands
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