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Huang Y, Zhang H, Wei Y, Cao Y, Zhu Q, Li X, Shan T, Dai X, Zhang J. Characterizing the amplification of STR markers in multiplex polymerase chain displacement reaction using massively parallel sequencing. Forensic Sci Int Genet 2023; 62:102802. [PMID: 36332535 DOI: 10.1016/j.fsigen.2022.102802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/11/2022] [Accepted: 10/19/2022] [Indexed: 01/15/2023]
Abstract
Polymerase chain displacement reaction (PCDR) showed advantages in forensic low-template DNA analysis with improved amplification efficiency, higher allele detection capacity, and lower stutter artifact than PCR. However, characteristics of STR markers after PCDR amplification remain unclarified for the limited resolving power of capillary electrophoresis (CE). This issue can be addressed by massively parallel sequencing (MPS) technology with higher throughput and discriminability. Here, we developed a multiplex PCDR system including 24 STRs and amelogenin. In addition, a PCR reference was established for comparison. After amplification, products were subjected to PCR-free library construction and sequenced on the Illumina NovaSeq system. We implemented a sequence-matching pipeline to separate different amplicon types of PCDR products from the combination of primers. In the sensitivity test, the PCDR multiplex obtained full STR profiles with as low as 125 pg 2800M control DNA. Based on that, single-source DNA samples were tested. First, highly concordant genotypes were observed among the PCDR multiplex, the PCR reference, and CE-based STR kits. Next, read counts of different PCDR amplicon types were investigated, showing a relative abundance of 78:12:12:1 for the shortest amplicon S, the two medium amplicons M1 and M2, and the longest amplicon L. We also analyzed the stutter artifacts for distinct amplicon types, and the results revealed the reduction of N - 1 and N - 2 contraction stutters, and the increase of N + 1 and N + 2 elongation stutters in PCDR samples. Moreover, we confirmed the feasibility of PCDR for amplifying degraded DNA samples and unbalanced DNA mixtures. Compared to the previous proof of principle study, our work took a further step to characterize the complete profile of STR markers in the PCDR context. Our results suggested that the PCDR-MPS workflow is an effective approach for forensic STR analysis. Corresponding findings in this study may help the development of PCDR-based assays and probabilistic methods in future studies.
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Affiliation(s)
- Yuguo Huang
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China.
| | - Haijun Zhang
- Forensic Science Center of Sichuan Provincial Public Security Department, Chengdu, China
| | - Yifan Wei
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Yueyan Cao
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Qiang Zhu
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Xi Li
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Tiantian Shan
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Xuan Dai
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Ji Zhang
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China.
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Development of a highly sensitive nucleic acid amplification-based detection for human leptospirosis infection. Biotechniques 2022; 73:18-24. [PMID: 35698846 DOI: 10.2144/btn-2021-0124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Highly sensitive diagnostic tools are crucial for individual screening during an epidemic of leptospirosis. To aid in developing a diagnostic tool for the sensitive detection of pathogenic strains, a new approach targeting nucleic acid amplification that combines quantitative PCR (qPCR) and strand displacement isothermal amplification was evaluated. The effectiveness of the combined approach, a quantitative polymerase chain displacement reaction (qPCDR), was compared with a qPCR technique. The results showed that qPCDR presented higher sensitivity (at least tenfold) and shorter reaction time than the qPCR approach for pathogenic Leptospira spp. detection. Thus, the qPCDR-based technique developed in this study is a promising approach for pathogenic Leptospira spp. detection and the further development of a diagnostic kit.
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SF-qPCR: Strand Displacement-Based Fast Quantitative Polymerase Chain Reaction. BIOCHIP JOURNAL 2022; 16:41-48. [PMID: 35096279 PMCID: PMC8790009 DOI: 10.1007/s13206-021-00044-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/22/2021] [Accepted: 12/26/2021] [Indexed: 11/02/2022]
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Huang Y, Chen X, Li X, Shu P, Wang H, Hou T, Wang Y, Song F, Zhang J. A proof-of-principle study on implementing polymerase chain displacement reaction (PCDR) to improve forensic low-template DNA analysis. Forensic Sci Int Genet 2021; 56:102609. [PMID: 34717077 DOI: 10.1016/j.fsigen.2021.102609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 10/06/2021] [Accepted: 10/18/2021] [Indexed: 11/26/2022]
Abstract
Polymerase chain reaction (PCR) plays an important role in forensic DNA analysis. However, the amplification of low-template DNA (LTDNA) samples usually encounters unsatisfactory results for the limited efficiency of PCR, which would interfere with the subsequent profile interpretation. Polymerase chain displacement reaction (PCDR) is a highly-efficient technique characterized by combining PCR and strand displacement reaction into a single PCDR cycle. This study explored the feasibility of PCDR for improving forensic LTDNA analysis. STR markers commonly used in forensic genetics were subjected to PCDR amplification and capillary electrophoresis detection. The results of singleplex reactions indicated that PCDR surpassed original PCR in efficiency for STR amplification. The average peak height of alleles in PCDR profiles was linearly correlated to the number of outer primers adopted for initiating the strand displacement process. Further, we assessed the multiplexing potential of PCDR by incorporating 17 STRs included in the expanded CODIS core loci and Amelogenin gene into a multiplex PCDR system. For pristine DNA templates ranged from 200 pg to 12.5 pg, the multiplex PCDR system consistently exhibited higher allele peak height as well as less allele dropout compared to the multiplex PCR references. Meanwhile, a significant reduction of stutter ratio was extensively observed in PCDR profiles. We also tested mock casework samples to verify the practical ability of multiplex PCDR for LTDNA detection. With DNA input varying from 48.1 pg to 6.6 pg, the multiplex PCDR system consistently obtained more allelic information than multiplex PCR methods. Our data collectively suggested that it is feasible to apply PCDR in forensic LTDNA analysis.
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Affiliation(s)
- Yuguo Huang
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Xiaogang Chen
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Xi Li
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Panyin Shu
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Haoyu Wang
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Tingyun Hou
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Yuting Wang
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Feng Song
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China.
| | - Ji Zhang
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China.
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Varlamov DA, Blagodatskikh KA, Smirnova EV, Kramarov VM, Ignatov KB. Combinations of PCR and Isothermal Amplification Techniques Are Suitable for Fast and Sensitive Detection of SARS-CoV-2 Viral RNA. Front Bioeng Biotechnol 2020; 8:604793. [PMID: 33251206 PMCID: PMC7672014 DOI: 10.3389/fbioe.2020.604793] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 10/15/2020] [Indexed: 12/24/2022] Open
Abstract
The newly identified coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), causes coronavirus disease 2019 (COVID-19) and has affected over 25 million people worldwide as of August 31, 2020. To aid in the development of diagnostic kits for rapid and sensitive detection of the virus, we evaluated a combination of polymerase chain reaction (PCR) and isothermal nucleic acid amplification techniques. Here, we compared conventional PCR and loop-mediated isothermal amplification (LAMP) methods with hybrid techniques such as polymerase chain displacement reaction (PCDR) and a newly developed PCR-LAMP method. We found that the hybrid methods demonstrated higher sensitivity and assay reaction rates than those of the classic LAMP and PCR techniques and can be used to for SARS-CoV-2 detection. The proposed methods based on the modern hybrid amplification techniques markedly improve virus detection and, therefore, can be extremely useful in the development of new diagnostic kits.
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Affiliation(s)
| | | | - Evgenia V. Smirnova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Vladimir M. Kramarov
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia
| | - Konstantin B. Ignatov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia
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Lou B, Song Y, RoyChowdhury M, Deng C, Niu Y, Fan Q, Tang Y, Zhou C. Development of a Tandem Repeat-Based Polymerase Chain Displacement Reaction Method for Highly Sensitive Detection of 'Candidatus Liberibacter asiaticus'. PHYTOPATHOLOGY 2018; 108:292-298. [PMID: 29019271 DOI: 10.1094/phyto-06-17-0210-r] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Huanglongbing (HLB) is one of the most destructive diseases in citrus production worldwide. Early detection of HLB pathogens can facilitate timely removal of infected citrus trees in the field. However, low titer and uneven distribution of HLB pathogens in host plants make reliable detection challenging. Therefore, the development of effective detection methods with high sensitivity is imperative. This study reports the development of a novel method, tandem repeat-based polymerase chain displacement reaction (TR-PCDR), for the detection of 'Candidatus Liberibacter asiaticus', a widely distributed HLB-associated bacterium. A uniquely designed primer set (TR2-PCDR-F/TR2-PCDR-1R) and a thermostable Taq DNA polymerase mutant with strand displacement activity were used for TR-PCDR amplification. Performed in a regular thermal cycler, TR-PCDR could produce more than two amplicons after each amplification cycle. Sensitivity of the developed TR-PCDR was 10 copies of target DNA fragment. The sensitive level was proven to be 100× higher than conventional PCR and similar to real-time PCR. Data from the detection of 'Ca. L. asiaticus' with filed samples using the above three methods also showed similar results. No false-positive TR-PCDR amplification was observed from healthy citrus samples and water controls. These results thereby illustrated that the developed TR-PCDR method can be applied to the reliable, highly sensitive, and cost-effective detection of 'Ca. L. asiaticus'.
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Affiliation(s)
- Binghai Lou
- First author: College of Plant Protection, Southwest University, Chongqing 400715, P.R. China; first, second, fourth, fifth, sixth, and seventh authors: Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin, Guangxi 541004, P.R. China; third author: Department of Biological Sciences, Idaho State University, 650 Memorial Dr., Pocatello 83201; and eighth author: Citrus Research Institute, Southwest University, Chongqing 400715, P.R. China
| | - Yaqin Song
- First author: College of Plant Protection, Southwest University, Chongqing 400715, P.R. China; first, second, fourth, fifth, sixth, and seventh authors: Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin, Guangxi 541004, P.R. China; third author: Department of Biological Sciences, Idaho State University, 650 Memorial Dr., Pocatello 83201; and eighth author: Citrus Research Institute, Southwest University, Chongqing 400715, P.R. China
| | - Moytri RoyChowdhury
- First author: College of Plant Protection, Southwest University, Chongqing 400715, P.R. China; first, second, fourth, fifth, sixth, and seventh authors: Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin, Guangxi 541004, P.R. China; third author: Department of Biological Sciences, Idaho State University, 650 Memorial Dr., Pocatello 83201; and eighth author: Citrus Research Institute, Southwest University, Chongqing 400715, P.R. China
| | - Chongling Deng
- First author: College of Plant Protection, Southwest University, Chongqing 400715, P.R. China; first, second, fourth, fifth, sixth, and seventh authors: Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin, Guangxi 541004, P.R. China; third author: Department of Biological Sciences, Idaho State University, 650 Memorial Dr., Pocatello 83201; and eighth author: Citrus Research Institute, Southwest University, Chongqing 400715, P.R. China
| | - Ying Niu
- First author: College of Plant Protection, Southwest University, Chongqing 400715, P.R. China; first, second, fourth, fifth, sixth, and seventh authors: Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin, Guangxi 541004, P.R. China; third author: Department of Biological Sciences, Idaho State University, 650 Memorial Dr., Pocatello 83201; and eighth author: Citrus Research Institute, Southwest University, Chongqing 400715, P.R. China
| | - Qijun Fan
- First author: College of Plant Protection, Southwest University, Chongqing 400715, P.R. China; first, second, fourth, fifth, sixth, and seventh authors: Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin, Guangxi 541004, P.R. China; third author: Department of Biological Sciences, Idaho State University, 650 Memorial Dr., Pocatello 83201; and eighth author: Citrus Research Institute, Southwest University, Chongqing 400715, P.R. China
| | - Yan Tang
- First author: College of Plant Protection, Southwest University, Chongqing 400715, P.R. China; first, second, fourth, fifth, sixth, and seventh authors: Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin, Guangxi 541004, P.R. China; third author: Department of Biological Sciences, Idaho State University, 650 Memorial Dr., Pocatello 83201; and eighth author: Citrus Research Institute, Southwest University, Chongqing 400715, P.R. China
| | - Changyong Zhou
- First author: College of Plant Protection, Southwest University, Chongqing 400715, P.R. China; first, second, fourth, fifth, sixth, and seventh authors: Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin, Guangxi 541004, P.R. China; third author: Department of Biological Sciences, Idaho State University, 650 Memorial Dr., Pocatello 83201; and eighth author: Citrus Research Institute, Southwest University, Chongqing 400715, P.R. China
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Wilder-Smith A, Tissera H, AbuBakar S, Kittayapong P, Logan J, Neumayr A, Rocklöv J, Byass P, Louis VR, Tozan Y, Massad E, Preet R. Novel tools for the surveillance and control of dengue: findings by the DengueTools research consortium. Glob Health Action 2018; 11:1549930. [PMID: 30560735 PMCID: PMC6282436 DOI: 10.1080/16549716.2018.1549930] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 11/10/2018] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Dengue fever persists as a major global disease burden, and may increase as a consequence of climate change. Along with other measures, research actions to improve diagnosis, surveillance, prevention, and predictive models are highly relevant. The European Commission funded the DengueTools consortium to lead a major initiative in these areas, and this review synthesises the outputs and findings of this work conducted from 2011 to 2016. Research areas: DengueTools organised its work into three research areas, namely [1] Early warning and surveillance systems; [2] Strategies to prevent dengue in children; and [3] Predictive models for the global spread of dengue. Research area 1 focused on case-studies undertaken in Sri Lanka, including developing laboratory-based sentinel surveillance, evaluating economic impact, identifying drivers of transmission intensity, evaluating outbreak prediction capacity and developing diagnostic capacity. Research area 2 addressed preventing dengue transmission in school children, with case-studies undertaken in Thailand. Insecticide-treated school uniforms represented an intriguing potential approach, with some encouraging results, but which were overshadowed by a lack of persistence of insecticide on the uniforms with repeated washing. Research area 3 evaluated potential global spread of dengue, particularly into dengue-naïve areas such as Europe. The role of international travel, changing boundaries of vectors, developing models of vectorial capacity under different climate change scenarios and strategies for vector control in outbreaks was all evaluated. CONCLUDING REMARKS DengueTools was able to make significant advances in methods for understanding and controlling dengue transmission in a range of settings. These will have implications for public health agendas to counteract dengue, including vaccination programmes. OUTLOOK Towards the end of the DengueTools project, Zika virus emerged as an unexpected epidemic in the central and southern America. Given the similarities between the dengue and Zika viruses, with vectors in common, some of the DengueTools thinking translated readily into the Zika situation.
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Affiliation(s)
- Annelies Wilder-Smith
- Unit of Epidemiology and Global Health, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Hasitha Tissera
- Epidemiological Unit, Ministry of Health, Colombo, Sri Lanka
| | - Sazaly AbuBakar
- WHO Collaborating Centre for Arbovirus Reference and Research (Dengue/Severe Dengue), Tropical Infectious Diseases Research and Education Centre (TIDREC) University of Malaya, Kuala Lumpur, Malaysia
| | - Pattamaporn Kittayapong
- Center of Excellence for Vectors and Vector-Borne Diseases, Department of Biology, Faculty of Science, Mahidol University, Salaya, Nakhon Pathom, Bangkok, Thailand
| | - James Logan
- Department of Disease Control, London School of Hygiene and Tropical Medicine, London, UK
| | - Andreas Neumayr
- Department of Medical Services, Swiss Tropical and Public Health Institute, Basel, Switzerland
| | - Joacim Rocklöv
- Unit of Epidemiology and Global Health, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Peter Byass
- Unit of Epidemiology and Global Health, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Valérie R. Louis
- Heidelberg Institute of Global Health, Heidelberg University Medical School, Heidelberg, Germany
| | - Yesim Tozan
- Heidelberg Institute of Global Health, Heidelberg University Medical School, Heidelberg, Germany
- NYU College of Global Public Health, New York, NY, USA
| | - Eduardo Massad
- School of Applied Mathematics, Fundacao Getulio Vargas, Rio de Janeiro, Brazil
| | - Raman Preet
- Unit of Epidemiology and Global Health, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
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Levin RE. Recent Developments in Molecular Detection of Food-Borne Disease Bacteria and GMOs. FOOD BIOTECHNOL 2015. [DOI: 10.1080/08905436.2014.996896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Ignatov KB, Barsova EV, Fradkov AF, Blagodatskikh KA, Kramarova TV, Kramarov VM. A strong strand displacement activity of thermostable DNA polymerase markedly improves the results of DNA amplification. Biotechniques 2014; 57:81-7. [PMID: 25109293 DOI: 10.2144/000114198] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Accepted: 07/08/2014] [Indexed: 11/23/2022] Open
Abstract
The sensitivity and robustness of various DNA detection and amplification techniques are to a large extent determined by the properties of the DNA polymerase used. We have compared the performance of conventional Taq and Bst DNA polymerases to a novel Taq DNA polymerase mutant (SD DNA polymerase), which has a strong strand displacement activity, in PCR (including amplification of GC-rich and complex secondary structure templates), long-range PCR (LR PCR), loop-mediated amplification (LAMP), and polymerase chain displacement reaction (PCDR). Our results demonstrate that the strand displacement activity of SD DNA polymerase, in combination with the robust polymerase activity, provides a notable improvement in the sensitivity and efficiency of all these methods.
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Affiliation(s)
- Konstantin B Ignatov
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia; All-Russia Institute of Agricultural Biotechnology, Moscow, Russia
| | - Ekaterina V Barsova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia; Evrogen JSC, Moscow, Russia
| | - Arkady F Fradkov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia; Evrogen JSC, Moscow, Russia
| | | | - Tatiana V Kramarova
- The Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Vladimir M Kramarov
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia; All-Russia Institute of Agricultural Biotechnology, Moscow, Russia
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