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Kuznetsova AA, Kuznetsov NA. Direct Enzyme Engineering of B Family DNA Polymerases for Biotechnological Approaches. Bioengineering (Basel) 2023; 10:1150. [PMID: 37892880 PMCID: PMC10604792 DOI: 10.3390/bioengineering10101150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/14/2023] [Accepted: 09/22/2023] [Indexed: 10/29/2023] Open
Abstract
DNA-dependent DNA polymerases have been intensively studied for more than 60 years and underlie numerous biotechnological and diagnostic applications. In vitro, DNA polymerases are used for DNA manipulations, including cloning, PCR, site-directed mutagenesis, sequencing, and others. Understanding the mechanisms of action of DNA polymerases is important for the creation of new enzymes possessing improved or modified properties. This review is focused on archaeal family B DNA polymerases. These enzymes have high fidelity and thermal stability and are finding many applications in molecular biological methods. Nevertheless, the search for and construction of new DNA polymerases with altered properties is constantly underway, including enzymes for synthetic biology. This brief review describes advances in the development of family B DNA polymerases for PCR, synthesis of xeno-nucleic acids, and reverse transcription.
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Affiliation(s)
- Aleksandra A. Kuznetsova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences (SB RAS), 8 Prospekt Akad. Lavrentyeva, Novosibirsk 630090, Russia
| | - Nikita A. Kuznetsov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences (SB RAS), 8 Prospekt Akad. Lavrentyeva, Novosibirsk 630090, Russia
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova Str., Novosibirsk 630090, Russia
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Wang G, Du Y, Ma X, Ye F, Qin Y, Wang Y, Xiang Y, Tao R, Chen T. Thermophilic Nucleic Acid Polymerases and Their Application in Xenobiology. Int J Mol Sci 2022; 23:ijms232314969. [PMID: 36499296 PMCID: PMC9738464 DOI: 10.3390/ijms232314969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/22/2022] [Accepted: 11/27/2022] [Indexed: 12/02/2022] Open
Abstract
Thermophilic nucleic acid polymerases, isolated from organisms that thrive in extremely hot environments, possess great DNA/RNA synthesis activities under high temperatures. These enzymes play indispensable roles in central life activities involved in DNA replication and repair, as well as RNA transcription, and have already been widely used in bioengineering, biotechnology, and biomedicine. Xeno nucleic acids (XNAs), which are analogs of DNA/RNA with unnatural moieties, have been developed as new carriers of genetic information in the past decades, which contributed to the fast development of a field called xenobiology. The broad application of these XNA molecules in the production of novel drugs, materials, and catalysts greatly relies on the capability of enzymatic synthesis, reverse transcription, and amplification of them, which have been partially achieved with natural or artificially tailored thermophilic nucleic acid polymerases. In this review, we first systematically summarize representative thermophilic and hyperthermophilic polymerases that have been extensively studied and utilized, followed by the introduction of methods and approaches in the engineering of these polymerases for the efficient synthesis, reverse transcription, and amplification of XNAs. The application of XNAs facilitated by these polymerases and their mutants is then discussed. In the end, a perspective for the future direction of further development and application of unnatural nucleic acid polymerases is provided.
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Zhang L, Jiang D, Shi H, Wu M, Gan Q, Yang Z, Oger P. Characterization and application of a family B DNA polymerase from the hyperthermophilic and radioresistant euryarchaeon Thermococcus gammatolerans. Int J Biol Macromol 2020; 156:217-224. [PMID: 32229210 DOI: 10.1016/j.ijbiomac.2020.03.204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 03/07/2020] [Accepted: 03/24/2020] [Indexed: 11/19/2022]
Abstract
Thermococcus gammatolerans is anaerobic euryarchaeon which grows optimally at 88 °C and its genome encodes a family B DNA polymerase (Tga PolB). Herein, we cloned the gene of Tga PolB, expressed and purified the gene product, and characterized the enzyme biochemically. The recombinant Tga PolB can efficiently synthesize DNA at high temperature, and retain 93% activity after heated at 95 °C for 1.0 h, suggesting that the enzyme is thermostable. Furthermore, the optimal pH for the enzyme activity was measured to be 7.0-9.0. Tga PolB activity is dependent on a divalent cation, among which magnesium ion is optimal. NaCl at low concentration stimulates the enzyme activity but at high concentration inhibits enzyme activity. Interestingly, Tga PolB is able to efficiently bypass uracil in DNA, which is distinct from other archaeal family B DNA pols. By contrast, Tga PolB is halted by an AP site in DNA, as observed in other archaeal family B DNA polymerases. Furthermore, Tga PolB extends the mismatched ends with reduced efficiencies. The enzyme possesses 3'-5' exonuclease activity and this activity is inhibited by dNTPs. The DNA binding assays showed that Tga PolB can efficiently bind to ssDNA and primed DNA, and have a marked preference for primed DNA. Last, Tga PolB can be used in routine PCR.
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Affiliation(s)
- Likui Zhang
- Marine Science & Technology Institute, College of Environmental Science and Engineering, Yangzhou University, Jiangsu Province 225127, China; Guangling College, Yangzhou University, China.
| | - Donghao Jiang
- Marine Science & Technology Institute, College of Environmental Science and Engineering, Yangzhou University, Jiangsu Province 225127, China
| | - Haoqiang Shi
- Marine Science & Technology Institute, College of Environmental Science and Engineering, Yangzhou University, Jiangsu Province 225127, China
| | - Mai Wu
- Marine Science & Technology Institute, College of Environmental Science and Engineering, Yangzhou University, Jiangsu Province 225127, China
| | - Qi Gan
- Marine Science & Technology Institute, College of Environmental Science and Engineering, Yangzhou University, Jiangsu Province 225127, China
| | - Zhihui Yang
- College of Plant Protection, Agricultural University of Hebei, Baoding, City, Hebei Province 071001, China.
| | - Philippe Oger
- Univ Lyon, INSA de Lyon, CNRS UMR 5240, Villeurbanne, France.
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Kwon KM, Kang SG, Sokolova TG, Cho SS, Kim YJ, Kim CH, Kwon ST. Characterization of a family B DNA polymerase from Thermococcus barophilus Ch5 and its application for long and accurate PCR. Enzyme Microb Technol 2016; 86:117-26. [DOI: 10.1016/j.enzmictec.2016.02.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 01/14/2016] [Accepted: 02/09/2016] [Indexed: 10/22/2022]
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Improved PCR performance and fidelity of double mutant Neq A523R/N540R DNA polymerase. Enzyme Microb Technol 2015; 82:197-204. [PMID: 26672468 DOI: 10.1016/j.enzmictec.2015.10.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 10/05/2015] [Accepted: 10/30/2015] [Indexed: 11/21/2022]
Abstract
We previously reported that Neq A523R DNA polymerase is more efficient in PCR than wild-type Neq DNA polymerase, and amplifies products more rapidly. Neq A523R DNA polymerase also amplifies templates more rapidly than Pfu DNA polymerase, but has a lower fidelity than Pfu DNA polymerase. To improve product yield and the fidelity of amplification simultaneously, we constructed and characterized the double mutant Neq A523R/N540R. The yield of PCR products was greater for Neq A523R/N540R DNA polymerase than wild-type and other mutant DNA polymerases, and the Neq double mutant catalyzed amplification of a 12-kb PCR product from a lambda template with an extension time of 3 min. The PCR error rate of Neq A523R/N540R DNA polymerase (6.3×10(-5)) was roughly similar to that of Pfu DNA polymerase (4.8×10(-5)), but much lower than those of wild-type Neq DNA polymerase (57.2×10(-5)), Neq A523R DNA polymerase (13.1×10(-5)), and Neq N540R DNA polymerase (37.7×10(-5)). These results indicated that A523R and N540R mutations of Neq DNA polymerase had synergistic effects on its fidelity.
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Archaeal DNA polymerases in biotechnology. Appl Microbiol Biotechnol 2015; 99:6585-97. [DOI: 10.1007/s00253-015-6781-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 06/12/2015] [Accepted: 06/17/2015] [Indexed: 10/23/2022]
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Characterization of a family B DNA polymerase from the hyperthermophilic crenarchaeon Ignicoccus hospitalis KIN4/I and its application to PCR. Appl Biochem Biotechnol 2014; 173:1108-20. [PMID: 24760610 DOI: 10.1007/s12010-014-0918-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2013] [Accepted: 04/09/2014] [Indexed: 10/25/2022]
Abstract
A family B DNA polymerase gene from the hyperthermophilic crenarchaeon Ignicoccus hospitalis KIN4/I was highly expressed under the control of T7lac promoter of pET-28ARG in Escherichia coli BL21-CodonPlus(DE3)-RIL cells. The produced I. hospitalis (Iho) DNA polymerase was purified by heat treatment followed by HisTrap™ HP column and HiTrap™ SP column chromatographies. The molecular mass of the purified Iho DNA polymerase was 88 kDa as estimated by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). The optimal pH for Iho DNA polymerase activity was 7.0 and the optimal temperature was 70 °C. Iho DNA polymerase was strongly activated by the presence of magnesium ion at an optimum concentration of 3 mM. The optimal concentration of KCl for Iho DNA polymerase activity was 60 mM. The half-life of the enzyme at 94 °C was about 2 h. The optimal conditions for polymerase chain reaction (PCR) were determined. Iho DNA polymerase possesses 3'→5' exonuclease activity, and the fidelity of the Iho DNA polymerase was similar to that of Pfu and Vent DNA polymerases. However, Iho DNA polymerase provided more enhanced efficiency of PCR amplification than Pfu and Vent DNA polymerases. Iho DNA polymerase could successfully amplify a 2-kb λ DNA target with a 10-s extension time and could amplify a DNA fragment up to 8 kb λ DNA.
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Terpe K. Overview of thermostable DNA polymerases for classical PCR applications: from molecular and biochemical fundamentals to commercial systems. Appl Microbiol Biotechnol 2013; 97:10243-54. [DOI: 10.1007/s00253-013-5290-2] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Revised: 09/20/2013] [Accepted: 09/22/2013] [Indexed: 11/29/2022]
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Ppyun H, Kim I, Cho SS, Seo KJ, Yoon K, Kwon ST. Improved PCR performance using mutant Tpa-S DNA polymerases from the hyperthermophilic archaeon Thermococcus pacificus. J Biotechnol 2013; 164:363-70. [DOI: 10.1016/j.jbiotec.2013.01.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2012] [Accepted: 01/28/2013] [Indexed: 11/25/2022]
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Cho SS, Kim KP, Lee KK, Youn MH, Kwon ST. Characterization and PCR application of a new high-fidelity DNA polymerase from Thermococcus waiotapuensis. Enzyme Microb Technol 2012; 51:334-41. [DOI: 10.1016/j.enzmictec.2012.07.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2012] [Revised: 07/27/2012] [Accepted: 07/30/2012] [Indexed: 01/23/2023]
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Hileman TH, Santangelo TJ. Genetics Techniques for Thermococcus kodakarensis. Front Microbiol 2012; 3:195. [PMID: 22701112 PMCID: PMC3370424 DOI: 10.3389/fmicb.2012.00195] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Accepted: 05/13/2012] [Indexed: 11/13/2022] Open
Abstract
Thermococcus kodakarensis (T. kodakarensis) has emerged as a premier model system for studies of archaeal biochemistry, genetics, and hyperthermophily. This prominence is derived largely from the natural competence of T. kodakarensis and the comprehensive, rapid, and facile techniques available for manipulation of the T. kodakarensis genome. These genetic capacities are complemented by robust planktonic growth, simple selections, and screens, defined in vitro transcription and translation systems, replicative expression plasmids, in vivo reporter constructs, and an ever-expanding knowledge of the regulatory mechanisms underlying T. kodakarensis metabolism. Here we review the existing techniques for genetic and biochemical manipulation of T. kodakarensis. We also introduce a universal platform to generate the first comprehensive deletion and epitope/affinity tagged archaeal strain libraries.
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Affiliation(s)
- Travis H Hileman
- Department of Microbiology, Center for RNA Biology, Ohio State University Columbus, OH, USA
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Kim KP, Cho SS, Lee KK, Youn MH, Kwon ST. Improved thermostability and PCR efficiency of Thermococcus celericrescens DNA polymerase via site-directed mutagenesis. J Biotechnol 2011; 155:156-63. [PMID: 21723333 DOI: 10.1016/j.jbiotec.2011.06.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2011] [Revised: 06/11/2011] [Accepted: 06/17/2011] [Indexed: 11/26/2022]
Abstract
The Thermococcus celericrescens (Tcel) DNA polymerase gene, which contains a 2328-bp open reading frame that encodes 775 amino acid residues, was expressed in the Escherichia coli strain Rosetta(DE3)pLysS. The expressed enzyme was purified through heat treatment, HisTrap™ HP column chromatography and then HiTrap™ SP HP column chromatography. Tcel DNA polymerase has poor thermostability and PCR efficiency compared to those of other family B DNA polymerases. To improve thermostability and PCR efficiency, mutant Tcel DNA polymerases were created via site-directed mutagenesis. Specifically, we targeted the A752 residue for enhanced thermostability and the N213 residue for improved PCR efficiency. The mutant Tcel DNA polymerases all showed enhanced PCR efficiency and thermostability compared to those of the wild-type Tcel DNA polymerase. Specifically, the double mutant TcelA752K/N213D DNA polymerase had an approximately three-fold increase in thermostability over that of the wild-type enzyme and amplified a long 10-kb PCR product in an extension time of 2min. However, there was a small change in the 3'→5' exonuclease activity compared with that of the wild-type Tcel DNA polymerase, even though the mutation is in the ExoII motif. The double mutant TcelA752K/N213D DNA polymerase had a 2.6-fold lower error rate compared to that of Taq DNA polymerase. It seems that the double mutant TcelA752K/N213D DNA polymerase can be used in LA (long and accurate) PCR.
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Affiliation(s)
- Kee Pum Kim
- Department of Genetic Engineering, Sungkyunkwan University, 300 Chunchun-dong, Jangan-gu, Suwon, Republic of Korea
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Lee JI, Cho SS, Kil EJ, Kwon ST. Characterization and PCR application of a thermostable DNA polymerase from Thermococcus pacificus. Enzyme Microb Technol 2010. [DOI: 10.1016/j.enzmictec.2010.06.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Accurate DNA synthesis by Sulfolobus solfataricus DNA polymerase B1 at high temperature. Extremophiles 2009; 14:107-17. [DOI: 10.1007/s00792-009-0292-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2009] [Accepted: 11/23/2009] [Indexed: 11/24/2022]
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15
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Lee JI, Kil EJ, Song JG, Kim YJ, Choi JJ, Shim H, Kwon ST. Characterization and PCR optimization of the thermostable family B DNA polymerase from Thermococcus guaymasensis. Enzyme Microb Technol 2009. [DOI: 10.1016/j.enzmictec.2009.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Biochemical Properties and PCR Performance of a Family B DNA Polymerase from Hyperthermophilic Euryarchaeon Thermococcus peptonophilus. Appl Biochem Biotechnol 2009; 160:1585-99. [DOI: 10.1007/s12010-009-8658-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2009] [Accepted: 04/23/2009] [Indexed: 12/11/2022]
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Bae H, Kim KP, Lee JI, Song JG, Kil EJ, Kim JS, Kwon ST. Characterization of DNA polymerase from the hyperthermophilic archaeon Thermococcus marinus and its application to PCR. Extremophiles 2009; 13:657-67. [PMID: 19412677 DOI: 10.1007/s00792-009-0248-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2009] [Accepted: 04/16/2009] [Indexed: 11/25/2022]
Abstract
The family B DNA polymerase gene from the archaeon Thermococcus marinus (Tma) contains a long open reading frame of 3,939 bp that encodes 1,312 amino acid residues. The gene is split by one intervening sequence that forms a continuous open reading frame with the two polymerase exteins. In this study, the Tma DNA polymerase gene both with (precursor form) and without (mature form) its intein was expressed in Escherichia coli, purified by heat treatment and HiTrap Heparin HP column chromatography and characterized. Primary sequence analysis of the mature Tma polymerase showed high sequence identity with DNA polymerases in the genus Thermococcus. The expressed precursor form was easily spliced during purification steps. The molecular mass of the purified Tma DNA polymerases is about 90 kDa, as estimated by SDS-PAGE. Both Tma DNA polymerases showed the same properties. PCR performed with this enzyme was found to be optimal in the presence of 50 mM Tris-HCl (pH 8.4), 40 mM KCl, 12.5 mM (NH(4))(2)SO(4,) 2 mM MgCl(2,) 0.05% Triton X-100 and 0.0075% BSA. Furthermore, long-range PCR and time-saving PCR were performed using various specific ratios of Taq and Tma DNA polymerases (Tma plus DNA polymerase).
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Affiliation(s)
- Heejin Bae
- Department of Genetic Engineering, Sungkyunkwan University, Cheoncheon-dong, Jangan-gu, Suwon, Korea
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