1
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Kolupaev YE, Taraban DA, Karpets YV, Kokorev AI, Yastreb TO, Blume YB, Yemets AI. Involvement of ROS and calcium ions in developing heat resistance and inducing antioxidant system of wheat seedlings under melatonin's effects. Protoplasma 2024:10.1007/s00709-024-01952-z. [PMID: 38622466 DOI: 10.1007/s00709-024-01952-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 04/08/2024] [Indexed: 04/17/2024]
Abstract
The stress-protective effect of melatonin (N-acetyl-5-methoxytryptamine) on plant cells is mediated by key signaling mediators, in particular calcium ions and reactive oxygen species (ROS). However, the links between changes in calcium and redox homeostasis and the formation of adaptive responses of cultivated cereals (including wheat) to the action of high temperatures have not yet been studied. In the present study, we investigated the possible involvement of ROS and calcium ions as signaling mediators in developing heat resistance in wheat (Triticum aestivum L.) seedlings and activating their antioxidant system. Treatment of 3-day-old etiolated seedlings with melatonin solutions at concentrations 0.01-10 µM increased their survival after exposure to 45 °C for 10 min. The most significant stress-protective effect was exerted by melatonin treatment at 1 µM concentration. Under the influence of melatonin, a transient enhancement of superoxide anion radical (O2•-) generation and an increase in hydrogen peroxide content were observed in roots, with a maximum at 1 h. Four hours after treatment with melatonin, the activity of catalase and guaiacol peroxidase increased in roots, while the activity of superoxide dismutase did not change significantly. After exposure to 45 °C, the activity of catalase and guaiacol peroxidase was higher in the roots of melatonin-treated wheat seedlings, and the indices of ROS generation, content of the lipid peroxidation product malonic dialdehyde, and cell membrane damage were lower than in control seedlings. Melatonin-induced changes in root ROS generation and antioxidant enzyme activities were eliminated by pretreatment with the hydrogen peroxide scavenger dimethylthiourea (DMTU), NADPH oxidase inhibitor imidazole, and calcium antagonists (the extracellular calcium chelator EGTA and phospholipase C inhibitor neomycin). Treatment with DMTU, imidazole, EGTA, and neomycin also abolished the melatonin-induced increase in survival of wheat seedlings after heat stress. The role of calcium ions and ROS, generated with the participation of NADPH oxidase, as signaling mediators in the melatonin-induced antioxidant system and heat stress resistance of wheat seedlings have been demonstrated.
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Affiliation(s)
- Yuriy E Kolupaev
- Yuriev Plant Production Institute, National Academy of Agrarian Sciences of Ukraine, Kharkiv, Ukraine
- State Biotechnological University, Kharkiv, Ukraine
- Poltava State Agrarian University, Poltava, Ukraine
| | | | | | - Alexander I Kokorev
- Yuriev Plant Production Institute, National Academy of Agrarian Sciences of Ukraine, Kharkiv, Ukraine
| | - Tetiana O Yastreb
- Yuriev Plant Production Institute, National Academy of Agrarian Sciences of Ukraine, Kharkiv, Ukraine.
- Crop Research Institute, Prague, Czech Republic.
| | - Yaroslav B Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Alla I Yemets
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
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2
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Wang S, Blume RY, Zhou ZW, Lu S, Nazarenus TJ, Blume YB, Xie W, Cahoon EB, Chen LL, Guo L. Chromosome-level assembly and analysis of Camelina neglecta: a novel diploid model for Camelina biotechnology research. Biotechnol Biofuels Bioprod 2024; 17:17. [PMID: 38291537 PMCID: PMC10829252 DOI: 10.1186/s13068-024-02466-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 01/25/2024] [Indexed: 02/01/2024]
Abstract
Camelina neglecta is a new diploid Brassicaceae species, which has great research value because of its close relationship with the hexaploid oilseed crop Camelina sativa. Here, we report a chromosome-level assembly of C. neglecta with a total length of 210 Mb. By adopting PacBio sequencing and Hi-C technology, the C. neglecta genome was assembled into 6 chromosomes with scaffold N50 of 29.62 Mb. C. neglecta has undergone the whole-genome triplication (γ) shared among eudicots and two whole-genome duplications (α and β) shared by crucifers, but it has not undergone a specific whole-genome duplication event. By synteny analysis between C. neglecta and C. sativa, we successfully used the method of calculating Ks to distinguish the three subgenomes of C. sativa and determined that C. neglecta was closest to the first subgenome (SG1) of C. sativa. Further, transcriptomic analysis revealed the key genes associated with seed oil biosynthesis and its transcriptional regulation, including SAD, FAD2, FAD3, FAE1, ABI3, WRI1 and FUS3 displaying high expression levels in C. neglecta seeds. The high representability of C. neglecta as a model species for Camelina-based biotechnology research has been demonstrated for the first time. In particular, floral Agrobacterium tumefaciens infiltration-based transformation of C. neglecta, leading to overexpression of CvLPAT2, CpDGAT1 and CvFatB1 transgenes, was demonstrated for medium-chain fatty acid accumulation in C. neglecta seed oil. This study provides an important genomic resource and establishes C. neglecta as a new model for oilseed biotechnology research.
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Affiliation(s)
- Shuo Wang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Rostislav Y Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine
| | - Zhi-Wei Zhou
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Shaoping Lu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Tara J Nazarenus
- Center for Plant Science Innovation and Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, USA
| | - Yaroslav B Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine
| | - Weibo Xie
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Edgar B Cahoon
- Center for Plant Science Innovation and Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, USA.
| | - Ling-Ling Chen
- College of Life Science and Technology, Guangxi University, Nanning, China.
| | - Liang Guo
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China.
- Hubei Hongshan Laboratory, Wuhan, China.
- Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, China.
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.
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3
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Blume RY, Kalendar R, Guo L, Cahoon EB, Blume YB. Overcoming genetic paucity of Camelina sativa: possibilities for interspecific hybridization conditioned by the genus evolution pathway. Front Plant Sci 2023; 14:1259431. [PMID: 37818316 PMCID: PMC10561096 DOI: 10.3389/fpls.2023.1259431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 09/06/2023] [Indexed: 10/12/2023]
Abstract
Camelina or false flax (Camelina sativa) is an emerging oilseed crop and a feedstock for biofuel production. This species is believed to originate from Western Asian and Eastern European regions, where the center of diversity of the Camelina genus is located. Cultivated Camelina species arose via a series of polyploidization events, serving as bottlenecks narrowing genetic diversity of the species. The genetic paucity of C. sativa is foreseen as the most crucial limitation for successful breeding and improvement of this crop. A potential solution to this challenge could be gene introgression from Camelina wild species or from resynthesized allohexaploid C. sativa. However, both approaches would require a complete comprehension of the evolutionary trajectories that led to the C. sativa origin. Although there are some studies discussing the origin and evolution of Camelina hexaploid species, final conclusions have not been made yet. Here, we propose the most complete integrated evolutionary model for the Camelina genus based on the most recently described findings, which enables efficient improvement of C. sativa via the interspecific hybridization with its wild relatives. We also discuss issues of interspecific and intergeneric hybridization, aimed on improving C. sativa and overcoming the genetic paucity of this crop. The proposed comprehensive evolutionary model of Camelina species indicates that a newly described species Camelina neglecta has a key role in origin of tetra- and hexaploids, all of which have two C. neglecta-based subgenomes. Understanding of species evolution within the Camelina genus provides insights into further research on C. sativa improvements via gene introgression from wild species, and a potential resynthesis of this emerging oilseed crop.
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Affiliation(s)
- Rostyslav Y. Blume
- Institute of Food Biotechnology and Genomics of National Academy of Science of Ukraine, Kyiv, Ukraine
| | - Ruslan Kalendar
- Institute of Biotechnology HiLIFE, University of Helsinki, Helsinki, Finland
| | - Liang Guo
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, China
| | - Edgar B. Cahoon
- Center for Plant Science Innovation & Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Yaroslav B. Blume
- Institute of Food Biotechnology and Genomics of National Academy of Science of Ukraine, Kyiv, Ukraine
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4
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Kolupaev YE, Yemets AI, Yastreb TO, Blume YB. The role of nitric oxide and hydrogen sulfide in regulation of redox homeostasis at extreme temperatures in plants. Front Plant Sci 2023; 14:1128439. [PMID: 36824204 PMCID: PMC9941552 DOI: 10.3389/fpls.2023.1128439] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
Nitric oxide and hydrogen sulfide, as important signaling molecules (gasotransmitters), are involved in many functions of plant organism, including adaptation to stress factors of various natures. As redox-active molecules, NO and H2S are involved in redox regulation of functional activity of many proteins. They are also involved in maintaining cell redox homeostasis due to their ability to interact directly and indirectly (functionally) with ROS, thiols, and other molecules. The review considers the involvement of nitric oxide and hydrogen sulfide in plant responses to low and high temperatures. Particular attention is paid to the role of gasotransmitters interaction with other signaling mediators (in particular, with Ca2+ ions and ROS) in the formation of adaptive responses to extreme temperatures. Pathways of stress-induced enhancement of NO and H2S synthesis in plants are considered. Mechanisms of the NO and H2S effect on the activity of some proteins of the signaling system, as well as on the state of antioxidant and osmoprotective systems during adaptation to stress temperatures, were analyzed. Possibilities of practical use of nitric oxide and hydrogen sulfide donors as inductors of plant adaptive responses are discussed.
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Affiliation(s)
- Yuriy E. Kolupaev
- Yuriev Plant Production Institute, National Academy of Agrarian Sciences of Ukraine, Kharkiv, Ukraine
| | - Alla I. Yemets
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Tetiana O. Yastreb
- Yuriev Plant Production Institute, National Academy of Agrarian Sciences of Ukraine, Kharkiv, Ukraine
| | - Yaroslav B. Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
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5
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Kretynin SV, Kolesnikov YS, Derevyanchuk MV, Kalachova TA, Blume YB, Khripach VA, Kravets VS. Brassinosteroids application induces phosphatidic acid production and modify antioxidant enzymes activity in tobacco in calcium-dependent manner. Steroids 2021; 168:108444. [PMID: 31295460 DOI: 10.1016/j.steroids.2019.108444] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 02/15/2019] [Accepted: 02/25/2019] [Indexed: 12/20/2022]
Abstract
Brassinosteroids (BRs) are steroid hormones regulating various aspects of plant metabolism, including growth, development and stress responses. However, little is known about the mechanism of their impact on antioxidant systems and phospholipid turnover. Using tobacco plants overexpressing H+/Ca2+vacuolar Arabidopsis antiporter CAX1, we showed the role of Ca2+ ion balance in the reactive oxygen species production and rapid phosphatidic acid accumulation induced by exogenous BR. Combination of our experimental results with public transcriptomic and proteomic data revealed a particular role of Ca2+-dependent phospholipid metabolizing enzymes in BR signaling. Here we provide novel insights into the role of calcium balance and lipid-derived second messengers in plant responses to exogenous BRs and propose a complex model integrating BR-mediated metabolic changes with phospholipid turnover.
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Affiliation(s)
- Serhiy V Kretynin
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine
| | - Yaroslav S Kolesnikov
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine
| | - Michael V Derevyanchuk
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine
| | - Tetiana A Kalachova
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine; Laboratory of Pathological Plant Physiology, Institute of Experimental Botany AS CR, Rozvojová 263, 165 02 Prague 6 - Lysolaje, Czech Republic
| | - Yaroslav B Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123, Osypovskogo 2a, Kyiv, Ukraine
| | - Vladimir A Khripach
- Laboratory of Steroid Chemistry, Institute of Bioorganic Chemistry, The National Academy of Sciences of Belarus, 220141, Kuprevich str., 5, Minsk, Belarus
| | - Volodymyr S Kravets
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine.
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6
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Blume YB. A journey through a plant cytoskeleton: Hot spots in signaling and functioning. Cell Biol Int 2019; 44:1262-1266. [PMID: 31486567 DOI: 10.1002/cbin.11224] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 08/03/2019] [Indexed: 01/20/2023]
Abstract
This survey paper contains a brief analysis of publications included in the special issue of the scientific journal Cell Biology International titled "Plant Cytoskeleton Structure, Dynamics and Functions". The manuscripts in this special issue reflect some new aspects of plant cytoskeleton organization, signaling and functioning, and results from different Ukrainian research groups, and focuses on bringing together scientists working across different instrumental scales.
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Affiliation(s)
- Yaroslav B Blume
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskoho Str., 2a, Kyiv, 04123, Ukraine
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7
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Affiliation(s)
- Yaroslav B Blume
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskoho Str., 2a, Kyiv, 04123, Ukraine
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8
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Blyuss KB, Fatehi F, Tsygankova VA, Biliavska LO, Iutynska GO, Yemets AI, Blume YB. RNAi-Based Biocontrol of Wheat Nematodes Using Natural Poly-Component Biostimulants. Front Plant Sci 2019; 10:483. [PMID: 31057585 PMCID: PMC6479188 DOI: 10.3389/fpls.2019.00483] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Accepted: 03/28/2019] [Indexed: 06/09/2023]
Abstract
With the growing global demands on sustainable food production, one of the biggest challenges to agriculture is associated with crop losses due to parasitic nematodes. While chemical pesticides have been quite successful in crop protection and mitigation of damage from parasites, their potential harm to humans and environment, as well as the emergence of nematode resistance, have necessitated the development of viable alternatives to chemical pesticides. One of the most promising and targeted approaches to biocontrol of parasitic nematodes in crops is that of RNA interference (RNAi). In this study we explore the possibility of using biostimulants obtained from metabolites of soil streptomycetes to protect wheat (Triticum aestivum L.) against the cereal cyst nematode Heterodera avenae by means of inducing RNAi in wheat plants. Theoretical models of uptake of organic compounds by plants, and within-plant RNAi dynamics, have provided us with useful insights regarding the choice of routes for delivery of RNAi-inducing biostimulants into plants. We then conducted in planta experiments with several streptomycete-derived biostimulants, which have demonstrated the efficiency of these biostimulants at improving plant growth and development, as well as in providing resistance against the cereal cyst nematode. Using dot blot hybridization we demonstrate that biostimulants trigger a significant increase of the production in plant cells of si/miRNA complementary with plant and nematode mRNA. Wheat germ cell-free experiments show that these si/miRNAs are indeed very effective at silencing the translation of nematode mRNA having complementary sequences, thus reducing the level of nematode infestation and improving plant resistance to nematodes. Thus, we conclude that natural biostimulants produced from metabolites of soil streptomycetes provide an effective tool for biocontrol of wheat nematode.
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Affiliation(s)
| | - Farzad Fatehi
- Department of Mathematics, University of Sussex, Brighton, United Kingdom
| | - Victoria A. Tsygankova
- Department of Chemistry of Bioactive Nitrogen-Containing Heterocyclic Compounds, Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Liudmyla O. Biliavska
- Department of General and Soil Microbiology, Zabolotny Institute of Microbiology and Virology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Galyna O. Iutynska
- Department of General and Soil Microbiology, Zabolotny Institute of Microbiology and Virology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Alla I. Yemets
- Department of Cell Biology and Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Yaroslav B. Blume
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
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9
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Krasylenko YA, Yemets AI, Blume YB. Nitric oxide synthase inhibitor L‐NAME affects
Arabidopsis
root growth, morphology, and microtubule organization. Cell Biol Int 2017; 43:1049-1055. [DOI: 10.1002/cbin.10880] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 09/30/2017] [Indexed: 02/01/2023]
Affiliation(s)
- Yuliya A. Krasylenko
- Institute of Food Biotechnology and GenomicsNational Academy of Sciences of UkraineOsipovskogo St. 2a, 04123Kyiv Ukraine
| | - Alla I. Yemets
- Institute of Food Biotechnology and GenomicsNational Academy of Sciences of UkraineOsipovskogo St. 2a, 04123Kyiv Ukraine
| | - Yaroslav B. Blume
- Institute of Food Biotechnology and GenomicsNational Academy of Sciences of UkraineOsipovskogo St. 2a, 04123Kyiv Ukraine
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10
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Rayevsky AV, Sharifi M, Samofalova DA, Karpov PA, Blume YB. Structural and functional features of lysine acetylation of plant and animal tubulins. Cell Biol Int 2017; 43:1040-1048. [DOI: 10.1002/cbin.10887] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 10/07/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Alexey V. Rayevsky
- Laboratory of Structural Biology, Institute of Food Biotechnology and GenomicsNational Academy of Sciences of UkraineKyiv04123 Ukraine
| | - Mohsen Sharifi
- Medway School of PharmacyUniversities of Kent and GreenwichKent ME4 4TB UK
| | - Dariya A. Samofalova
- Laboratory of Structural Biology, Institute of Food Biotechnology and GenomicsNational Academy of Sciences of UkraineKyiv04123 Ukraine
| | - Pavel A. Karpov
- Laboratory of Structural Biology, Institute of Food Biotechnology and GenomicsNational Academy of Sciences of UkraineKyiv04123 Ukraine
| | - Yaroslav B. Blume
- Laboratory of Structural Biology, Institute of Food Biotechnology and GenomicsNational Academy of Sciences of UkraineKyiv04123 Ukraine
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11
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Chudinova EM, Karpov PA, Fokin AI, Yemets AI, Lytvyn DI, Nadezhdina ES, Blume YB. MAST-like protein kinase IREH1 from Arabidopsis thaliana co-localizes with the centrosome when expressed in animal cells. Planta 2017; 246:959-969. [PMID: 28717875 DOI: 10.1007/s00425-017-2742-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 07/10/2017] [Indexed: 06/07/2023]
Abstract
The similarity of IREH1 (Incomplete Root Hair Elongation 1) and animal MAST kinases was confirmed; IREH1cDNA was cloned while expressing in cultured animal cells co-localized with the centrosome. In mammals and fruit flies, microtubule-associated serine/threonine-protein kinases (MAST) are strongly involved in the regulation of the microtubule system. Higher plants also possess protein kinases homologous to MASTs, but their function and interaction with the cytoskeleton remain unclear. Here, we confirmed the sequence and structural similarity of MAST-related putative protein kinase IREH1 (At3g17850) and known animal MAST kinases. We report the first cloning of full-length cDNA of the IREH1 from Arabidopsis thaliana. Recombinant GFP-IREH1 protein was expressed in different cultured animal cells. It revealed co-localization with the centrosome without influencing cell morphology and microtubule arrangement. Structural N-terminal region of the IREH1 molecule co-localized with centrosome as well.
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Affiliation(s)
- Elena M Chudinova
- Institute of Protein Research of Russian Academy of Sciences, Moscow, Russia.
| | - Pavel A Karpov
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine
| | - Artem I Fokin
- A.N. Belozersky Institute of Physico-Chemical Biology, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Alla I Yemets
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine
| | - Dmytro I Lytvyn
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine
| | - Elena S Nadezhdina
- Institute of Protein Research of Russian Academy of Sciences, Moscow, Russia
- A.N. Belozersky Institute of Physico-Chemical Biology, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Yaroslav B Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine
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12
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Demchuk OM, Karpov PA, Blume YB. 3D‐modeling of carboxyl‐terminal phosphorylation of plant αβ‐tubulin and its role in kinesin‐8/microtubule interaction. Cell Biol Int 2017; 43:1072-1080. [DOI: 10.1002/cbin.10818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 06/24/2017] [Indexed: 12/28/2022]
Affiliation(s)
- Oleh M. Demchuk
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and GenomicsNatl. Acad. Sci. of Ukraine, Osipovs'koho St., 2a, 04123Kyiv Ukraine
| | - Pavel A. Karpov
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and GenomicsNatl. Acad. Sci. of Ukraine, Osipovs'koho St., 2a, 04123Kyiv Ukraine
| | - Yaroslav B. Blume
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and GenomicsNatl. Acad. Sci. of Ukraine, Osipovs'koho St., 2a, 04123Kyiv Ukraine
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13
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Samofalova DO, Karpov PA, Raevsky AV, Blume YB. Protein phosphatases potentially associated with regulation of microtubules, their spatial structure reconstruction and analysis. Cell Biol Int 2017; 43:1081-1090. [PMID: 28653783 DOI: 10.1002/cbin.10810] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 06/24/2017] [Indexed: 11/12/2022]
Abstract
According to the sequence and profile comparison with known catalytic domains, where identified protein phosphatases potentially involved in regulation of microtubule dynamics and structure from Arabidopsis thaliana, Nicotiana tabacum, Medicago sativa, Oryza sativa subsp. japonica, Zea mays, and Triticum aestivum. Selected proteins were related to classical non-receptor, serine/threonine-specific and dual protein phosphatases. By application of template structures of human protein phosphatases, it was performed homology modelling of the catalytic domains of 17 plant protein phosphatases. Based on the results of the structural alignment, molecular dynamics, and conservatism in positions of functionally importance, it was confirmed homology of selected plant proteins and known protein phosphatases regulating structure and dynamics of microtubules.
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Affiliation(s)
- Dariya O Samofalova
- Institute of Food Biotechnology and Genomics, Natl. Academy of Sci. of Ukraine, Osipovskogo str. 2a, Kyiv, 04123, Ukraine
| | - Pavel A Karpov
- Institute of Food Biotechnology and Genomics, Natl. Academy of Sci. of Ukraine, Osipovskogo str. 2a, Kyiv, 04123, Ukraine
| | - Alexey V Raevsky
- Institute of Food Biotechnology and Genomics, Natl. Academy of Sci. of Ukraine, Osipovskogo str. 2a, Kyiv, 04123, Ukraine
| | - Yaroslav B Blume
- Institute of Food Biotechnology and Genomics, Natl. Academy of Sci. of Ukraine, Osipovskogo str. 2a, Kyiv, 04123, Ukraine
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14
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Borovaya MN, Burlaka OM, Naumenko AP, Blume YB, Yemets AI. Extracellular Synthesis of Luminescent CdS Quantum Dots Using Plant Cell Culture. Nanoscale Res Lett 2016; 11:100. [PMID: 26909780 PMCID: PMC4766175 DOI: 10.1186/s11671-016-1314-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 02/09/2016] [Indexed: 06/05/2023]
Abstract
The present study describes a novel method for preparation of water-soluble CdS quantum dots, using bright yellow-2 (BY-2) cell suspension culture. Acting as a stabilizing and capping agent, the suspension cell culture mediates the formation of CdS nanoparticles. These semiconductor nanoparticles were determined by means of an UV-visible spectrophotometer, photoluminescence, high-resolution transmission electron microscopy (HRTEM), and XRD. Followed by the electron diffraction analysis of a selected area, transmission electron microscopy indicated the formation of spherical, crystalline CdS ranging in diameter from 3 to 7 nm and showed wurtzite CdS quantum dots. In the present work, the toxic effect of synthesized CdS quantum dots on Nicotiana tabacum protoplasts as a very sensitive model was under study. The results of this research revealed that biologically synthesized CdS nanoparticles in low concentrations did not induce any toxic effects.
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Affiliation(s)
- Mariya N Borovaya
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskogo Str, 2a, 04123, Kyiv, Ukraine.
| | - Olga M Burlaka
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskogo Str, 2a, 04123, Kyiv, Ukraine.
| | - Antonina P Naumenko
- Faculty of Physics, Taras Shevchenko National University, Acad. Glushkova Ave, 4, 03022, Kyiv, Ukraine.
| | - Yaroslav B Blume
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskogo Str, 2a, 04123, Kyiv, Ukraine.
| | - Alla I Yemets
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskogo Str, 2a, 04123, Kyiv, Ukraine.
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15
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Sidorchuk YV, Kravets EA, Mursalimov SR, Plokhovskaya SG, Goryunova II, Yemets AI, Blume YB, Deineko EV. [Efficiency of the Induction of Cytomixis in the Microsporogenesis of Dicotyledonous (N. tabacum L.) and Monocotyledonous
(H. distichum L.) Plants by Thermal Stress]. Ontogenez 2016; 47:357-72. [PMID: 30272892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The efficiencies of the induction of cytomixis in microsporogenesis by thermal stress are compared in tobacco (N. tabacum L.) and barley (H. distichum L.) It has been shown that different thermal treatment schedules (budding tobacco plants at 50°C and air-dried barley grains at 48°C) produce similar results in the species: the frequency of cytomixis increases, and its maximum shifts to later stages of meiosis. However, the species show differences in response. The cytomixis frequency increase in tobacco is more pronounced, and its maximum shifts from the zygotene–pachytene stages of meiotic prophase I to prometaphase–metaphase I. Later in the meiosis, aberrations in chromosome structure and meiotic apparatus formation typical of cytomixis are noted, as well as cytomixis activation in tapetum cells. Thermal stress disturbs the integration of callose- bearing vesicles into the callose wall. Cold treatment at 7°C does not affect cytomixis frequency in tobacco microsporogenesis. Incubation of barley seeds at 48°C activates cytomixis in comparison to the control, shifts its maximum from the premeiotic interphase to zygotene, and changes the habit of cytomictic interactions from pairwise contacts to the formation of multicellular clusters. Thermal treatment induces cytomictic interactions within the tapetum and between microsporocytes and the tapetum. However, later meiotic phases show no adverse consequences of active cytomixis in barley. It is conjectured that heat stress affects callose metabolism and integration into the forming callose wall, thereby causing incomplete closure of cytomictic channels and favoring intercellular chromosome migration at advanced meiotic stages.
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16
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Raevsky AV, Sharifi M, Samofalova DA, Karpov PA, Blume YB. 3D structure prediction of histone acetyltransferase proteins of the MYST family and their interactome in Arabidopsis thaliana. J Mol Model 2016; 22:256. [PMID: 27709438 DOI: 10.1007/s00894-016-3103-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 09/01/2016] [Indexed: 11/29/2022]
Abstract
Histone lysine acetylation is a reversible post-translational modification that does not involve changes in DNA sequences. Enzymes play an important role in developmental processes and their deregulation has been linked to the progression of diverse disorders. The HAT enzyme family fulfills an important role in various developmental processes mediated by the state of chromatin, and have been attributed to its deregulation. To understand acetylation mechanisms and their role in cell signaling, transcriptional regulation, and apoptosis, it is crucial to identify and analyze acetylation sites. Bioinformatics methods can be used to generate relatively precise predictions. Here we applied classical bioinformatics methods-sequence alignment, homology modeling, and docking-to compare approved and predicted lysine acetylation processes in different organisms. HAM1 and HAM2 are analogs of KAT8 and KAT7 (MYST1 and MYST2), members of the MYST histone acetyltransferase family, and our results show that HAM1 and HAM2 have much in common with other representatives of MYST families from various organisms. One function of acetyl-CoA binding was predicted with a high level of probability by computational methods. Based on our data, we conclude that, despite huge genetic distances and some structural differences between animal and plant species, a closer look at acetylation mechanism shows that they have much in common.
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Affiliation(s)
- A V Raevsky
- Laboratory of Structural Biology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123, Kyiv, Ukraine.
| | - M Sharifi
- Medway School of Pharmacy, Universities of Kent and Greenwich, Chatham, Kent, ME4 4TB, UK.,Division of Systems Biology, National Center for Toxicological Research, US Food and Drug Administration, Jefferson, AR, USA
| | - D A Samofalova
- Laboratory of Structural Biology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123, Kyiv, Ukraine
| | - P A Karpov
- Laboratory of Structural Biology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123, Kyiv, Ukraine
| | - Y B Blume
- Laboratory of Structural Biology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123, Kyiv, Ukraine
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17
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Lytvyn DI, Raynaud C, Yemets AI, Bergounioux C, Blume YB. Involvement of Inositol Biosynthesis and Nitric Oxide in the Mediation of UV-B Induced Oxidative Stress. Front Plant Sci 2016; 7:430. [PMID: 27148278 PMCID: PMC4828445 DOI: 10.3389/fpls.2016.00430] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 03/18/2016] [Indexed: 05/12/2023]
Abstract
The involvement of NO-signaling in ultraviolet B (UV-B) induced oxidative stress (OS) in plants is an open question. Inositol biosynthesis contributes to numerous cellular functions, including the regulation of plants tolerance to stress. This work reveals the involvement of inositol-3-phosphate synthase 1 (IPS1), a key enzyme for biosynthesis of myo-inositol and its derivatives, in the response to NO-dependent OS in Arabidopsis. Homozygous mutants deficient for IPS1 (atips1) and wild-type plants were transformed with a reduction- grx1-rogfp2 and used for the dynamic measurement of UV-B-induced and SNP (sodium nitroprusside)-mediated oxidative stresses by confocal microscopy. atips1 mutants displayed greater tissue-specific resistance to the action of UV-B than the wild type. SNP can act both as an oxidant or repairer depending on the applied concentration, but mutant plants were more tolerant than the wild type to nitrosative effects of high concentration of SNP. Additionally, pretreatment with low concentrations of SNP (10, 100 μM) before UV-B irradiation resulted in a tissue-specific protective effect that was enhanced in atips1. We conclude that the interplay between nitric oxide and inositol signaling can be involved in the mediation of UV-B-initiated oxidative stress in the plant cell.
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Affiliation(s)
- Dmytro I. Lytvyn
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of UkraineKyiv, Ukraine
- *Correspondence: Dmytro I. Lytvyn,
| | - Cécile Raynaud
- Laboratory of Cell Cycle Chromatin and Development, Institute of Plant Sciences Paris-Saclay IPS2, CNRS 9213, INRA 1403, Université Paris-Sud, Université Evry Val d’Essonne, Université Paris Diderot, Sorbonne Paris-Cite, Universite Paris-SaclayOrsay, France
| | - Alla I. Yemets
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of UkraineKyiv, Ukraine
| | - Catherine Bergounioux
- Laboratory of Cell Cycle Chromatin and Development, Institute of Plant Sciences Paris-Saclay IPS2, CNRS 9213, INRA 1403, Université Paris-Sud, Université Evry Val d’Essonne, Université Paris Diderot, Sorbonne Paris-Cite, Universite Paris-SaclayOrsay, France
| | - Yaroslav B. Blume
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of UkraineKyiv, Ukraine
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18
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Borovaya MN, Naumenko AP, Matvieieva NA, Blume YB, Yemets AI. Biosynthesis of luminescent CdS quantum dots using plant hairy root culture. Nanoscale Res Lett 2014; 9:2407. [PMID: 26088983 PMCID: PMC4493840 DOI: 10.1186/1556-276x-9-686] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Accepted: 12/12/2014] [Indexed: 05/24/2023]
Abstract
CdS nanoparticles have a great potential for application in chemical research, bioscience and medicine. The aim of this study was to develop an efficient and environmentally-friendly method of plant-based biosynthesis of CdS quantum dots using hairy root culture of Linaria maroccana L. By incubating Linaria root extract with inorganic cadmium sulfate and sodium sulfide we synthesized stable luminescent CdS nanocrystals with absorption peaks for UV-visible spectrometry at 362 nm, 398 nm and 464 nm, and luminescent peaks at 425, 462, 500 nm. Transmission electron microscopy of produced quantum dots revealed their spherical shape with a size predominantly from 5 to 7 nm. Electron diffraction pattern confirmed the wurtzite crystalline structure of synthesized cadmium sulfide quantum dots. These results describe the first successful attempt of quantum dots synthesis using plant extract. PACS 81.07.Ta; 81.16.-c; 81.16.Rf.
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Affiliation(s)
- Mariya N Borovaya
- />Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, Natl. Acad. of Sci. of Ukraine, Osypovskogo Str., 2a, Kiev, 04123 Ukraine
| | - Antonina P Naumenko
- />Department of Physics, Taras Shevchenko National University, Prospect acad. Glushkova, 4, Kiev, 03022 Ukraine
| | - Nadia A Matvieieva
- />Institute of Cell Biology and Genetic Engineering, Natl. Acad. of Sci. of Ukraine, acad. Zabolotnogo str. 148, Kiev, 03680 Ukraine
| | - Yaroslav B Blume
- />Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, Natl. Acad. of Sci. of Ukraine, Osypovskogo Str., 2a, Kiev, 04123 Ukraine
| | - Alla I Yemets
- />Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, Natl. Acad. of Sci. of Ukraine, Osypovskogo Str., 2a, Kiev, 04123 Ukraine
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19
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Tanasienko IV, Yemets AI, Finiuk NS, Stoika RR, Blume YB. DMAEM-based cationic polymers as novel carriers for DNA delivery into cells. Cell Biol Int 2014; 39:243-5. [PMID: 25234366 DOI: 10.1002/cbin.10381] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Accepted: 09/17/2014] [Indexed: 11/08/2022]
Abstract
Different transformation systems and vectors have been improved to increase the effectiveness of transformation and achieve stable expression of target genes. Because classical direct and indirect transformation processes commonly suffer from instability of a gene in the environment, gene deletion, transgene silencing, and poor gene transfer efficiency. Nowadays, gene transformation technologies are based on the use of new carriers (nanoparticles, carbon nanotubes, whiskers, and polymers) characterized by better efficiency and reproducibility for the direct DNA delivery into cells. In this review, we have focused on the novel DMAEM-based direct DNA delivery system and its possible applications for cell transformation.
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Affiliation(s)
- Iryna V Tanasienko
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osipovskogo St. 2a, Kyiv, 04123, Ukraine
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20
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Yemets AI, Tanasienko IV, Krasylenko YA, Blume YB. Plant-based biopharming of recombinant human lactoferrin. Cell Biol Int 2014; 38:989-1002. [PMID: 24803187 DOI: 10.1002/cbin.10304] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Accepted: 03/31/2014] [Indexed: 11/08/2022]
Abstract
Recombinant proteins are currently recognized as pharmaceuticals, enzymes, food constituents, nutritional additives, antibodies and other valuable products for industry, healthcare, research, and everyday life. Lactoferrin (Lf), one of the promising human milk proteins, occupies the expanding biotechnological food market niche due to its important versatile properties. Lf shows antiviral, antimicrobial, antiprotozoal and antioxidant activities, modulates cell growth rate, binds glycosaminoglycans and lipopolysaccharides, and also inputs into the innate/specific immune responses. Development of highly efficient human recombinant Lf expression systems employing yeasts, filamentous fungi and undoubtedly higher plants as bioreactors for the large-scale Lf production is a biotechnological challenge. This review highlights the advantages and disadvantages of the existing non-animal Lf expression systems from the standpoint of protein yield and its biological activity. Special emphasis is put on the benefits of monocot plant system for Lf expression and the biosafety aspects of the transgenic Lf-expressing plants.
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Affiliation(s)
- Alla I Yemets
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osipovskogo Str., 2a, Kyiv, 04123, Ukraine
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21
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Krasylenko YA, Yemets AI, Blume YB. Plant microtubules reorganization under the indirect UV-B exposure and during UV-B-induced programmed cell death. Plant Signal Behav 2013; 8:e24031. [PMID: 23438586 PMCID: PMC3907430 DOI: 10.4161/psb.24031] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Accepted: 02/16/2013] [Indexed: 05/13/2023]
Abstract
The role of microtubules in cellular pathways of UV-B signaling in plants as well as in related structural cell response become into focus of few last publications. As microtubules in plant cell reorient/reorganize (become randomized, fragmented or depolymerized) in a response to direct UV-B exposure, these cytoskeletal components could be involved into UV-B signaling pathways as highly responsive players. In the current addendum, indirect UV-B-induced microtubules reorganization in cells of shielded Arabidopsis thaliana (GFP-MAP4) primary roots and the correspondence of microtubules depolymerization with the typical hallmarks of the programmed cell death in Nicotiana tabacum BY-2 (GFP-MBD) cells are discussed.
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Affiliation(s)
- Yuliya A. Krasylenko
- Department of Genomics and Molecular Biotechnology; Institute of Food Biotechnology and Genomics; National Academy of Sciences of Ukraine; Kyiv, Ukraine
| | - Alla I. Yemets
- Department of Genomics and Molecular Biotechnology; Institute of Food Biotechnology and Genomics; National Academy of Sciences of Ukraine; Kyiv, Ukraine
| | - Yaroslav B. Blume
- Department of Genomics and Molecular Biotechnology; Institute of Food Biotechnology and Genomics; National Academy of Sciences of Ukraine; Kyiv, Ukraine
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22
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Blume YB, Krasylenko YA, Demchuk OM, Yemets AI. Tubulin tyrosine nitration regulates microtubule organization in plant cells. Front Plant Sci 2013; 4:530. [PMID: 24421781 PMCID: PMC3872735 DOI: 10.3389/fpls.2013.00530] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Accepted: 12/10/2013] [Indexed: 05/21/2023]
Abstract
During last years, selective tyrosine nitration of plant proteins gains importance as well-recognized pathway of direct nitric oxide (NO) signal transduction. Plant microtubules are one of the intracellular signaling targets for NO, however, the molecular mechanisms of NO signal transduction with the involvement of cytoskeletal proteins remain to be elucidated. Since biochemical evidence of plant α-tubulin tyrosine nitration has been obtained recently, potential role of this posttranslational modification in regulation of microtubules organization in plant cell is estimated in current paper. It was shown that 3-nitrotyrosine (3-NO2-Tyr) induced partially reversible Arabidopsis primary root growth inhibition, alterations of root hairs morphology and organization of microtubules in root cells. It was also revealed that 3-NO2-Tyr intensively decorates such highly dynamic microtubular arrays as preprophase bands, mitotic spindles and phragmoplasts of Nicotiana tabacum Bright Yellow-2 (BY-2) cells under physiological conditions. Moreover, 3D models of the mitotic kinesin-8 complexes with the tail of detyrosinated, tyrosinated and tyrosine nitrated α-tubulin (on C-terminal Tyr 450 residue) from Arabidopsis were reconstructed in silico to investigate the potential influence of tubulin nitrotyrosination on the molecular dynamics of α-tubulin and kinesin-8 interaction. Generally, presented data suggest that plant α-tubulin tyrosine nitration can be considered as its common posttranslational modification, the direct mechanism of NO signal transduction with the participation of microtubules under physiological conditions and one of the hallmarks of the increased microtubule dynamics.
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Affiliation(s)
- Yaroslav B. Blume
- *Correspondence: Yaroslav B. Blume, Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osipovskogo str., 2, Kyiv 04123, Ukraine e-mail:
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23
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Radchuk V, Radchuk R, Pirko Y, Vankova R, Gaudinova A, Korkhovoy V, Yemets A, Weber H, Weschke W, Blume YB. A somaclonal line SE7 of finger millet (Eleusine coracana) exhibits modified cytokinin homeostasis and increased grain yield. J Exp Bot 2012; 63:5497-506. [PMID: 22888132 PMCID: PMC3444265 DOI: 10.1093/jxb/ers200] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
The SE7 somaclonal line of finger millet (Eleusine coracana) achieved increased grain yield in field trials that apparently resulted from a higher number of inflorescences and seeds per plant, compared with the wild type. Levels of endogenous cytokinins, especially those of highly physiologically active iso-pentenyl adenine, were increased during early inflorescence development in SE7 plants. Transcript levels of cytokinin-degrading enzymes but not of a cytokinin-synthesizing enzyme were also decreased in young leaves, seedlings, and initiating inflorescences of SE7. These data suggest that attenuated degradation of cytokinins in SE7 inflorescences leads to higher cytokinin levels that stimulate meristem activity and result in production of more inflorescences. Gene expression was compared between SE7 and wild-type young inflorescences using the barley 12K cDNA array. The largest fraction of up-regulated genes in SE7 was related to transcription, translation, and cell proliferation, cell wall assembly/biosynthesis, and to growth regulation of young and meristematic tissues including floral formation. Other up-regulated genes were associated with protein and lipid degradation and mitochondrial energy production. Down-regulated genes were related to pathogen defence and stress response, primary metabolism, glycolysis, and the C:N balance. The results indicate a prolonged proliferation phase in SE7 young inflorescences characterized by up-regulated protein synthesis, cytokinesis, floral formation, and energy production. In contrast, wild-type inflorescences are similar to a more differentiated status characterized by regulated protein degradation, cell elongation, and defence/stress responses. It is concluded that attenuated degradation of cytokinins in SE7 inflorescences leads to higher cytokinin levels, which stimulate meristem activity, inflorescence formation, and seed set.
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Affiliation(s)
- Volodymyr Radchuk
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstrasse 3, D-06466 Gatersleben, Germany.
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Krasylenko YA, Yemets AI, Sheremet YA, Blume YB. Nitric oxide as a critical factor for perception of UV-B irradiation by microtubules in Arabidopsis. Physiol Plant 2012; 145:505-15. [PMID: 21973209 DOI: 10.1111/j.1399-3054.2011.01530.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Influence of ultraviolet-B (UV-B) as an abiotic stress factor on plant microtubules (MTs) and involvement of nitric oxide (NO) as a secondary messenger mediating plant cell response to environmental stimuli were investigated in this study. Taking into account that endogenous NO content in plant cells has been shown to be increased under a broad range of abiotic stress factors, the effects of UV-B irradiation and also the combined action of UV-B and NO donor sodium nitroprusside (SNP) or NO scavenger 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (c-PTIO) on the MTs organization in different root cells of Arabidopsis thaliana were tested. Subsequently, realization of the MT-mediated processes such as root growth and development was studied under these conditions. Arabidopsis thaliana seedlings expressing the chimeric gene gfp-map4 were exposed to the enhanced UV-B with or without SNP or c-PTIO pretreatment. The UV-B irradiation alone led to a dose-dependent root growth inhibition and to morphological alterations of the primary root manifested in their swelling and excessive root hair formation. Moreover, dose-dependent randomization and depolymerization of MTs in both epidermal and cortical cells under the enhanced UV-B were found. However, SNP pretreatment of the UV-B irradiated A. thaliana seedlings recovered the UV-B inhibited root growth as compared to c-PTIO pretreatment. It has been shown that in 24 h after UV-B irradiation the organization of MTs in root epidermal cells of SNP-pretreated A. thaliana seedlings was partially recovered, whereas in c-PTIO-pretreated ones the organization of MTs has not been distinctly improved. Therefore, we suppose that the enhanced NO levels in plant cells can protect MTs organization as well as MT-related processes of root growth and development against disrupting effects of UV-B.
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Affiliation(s)
- Yuliya A Krasylenko
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev 04123, Ukraine
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25
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Yemets AI, Krasylenko YA, Lytvyn DI, Sheremet YA, Blume YB. Nitric oxide signalling via cytoskeleton in plants. Plant Sci 2011; 181:545-54. [PMID: 21893251 DOI: 10.1016/j.plantsci.2011.04.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2011] [Revised: 04/25/2011] [Accepted: 04/27/2011] [Indexed: 05/19/2023]
Abstract
Nitric oxide (NO) in plant cell mediates processes of growth and development starting from seed germination to pollination, as well as biotic and abiotic stress tolerance. However, proper understanding of the molecular mechanisms of NO signalling in plants has just begun to emerge. Accumulated evidence suggests that in eukaryotic cells NO regulates functions of proteins by their post-translational modifications, namely tyrosine nitration and S-nitrosylation. Among the candidates for NO-downstream effectors are cytoskeletal proteins because of their involvement in many processes regulated by NO. This review discusses new insights in plant NO signalling focused mainly on the involvement of cytoskeleton components into NO-cascades. Herein, examples of NO-related post-translational modifications of cytoskeletal proteins, and also indirect NO impact, are discussed. Special attention is paid to plant α-tubulin tyrosine nitration as an emerging topic in plant NO research.
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Affiliation(s)
- Alla I Yemets
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osipovskogo Str., 2a, Kyiv 04123, Ukraine.
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Karpov PA, Nadezhdina ES, Yemets AI, Matusov VG, Nyporko AY, Shashina NY, Blume YB. Bioinformatic search of plant microtubule-and cell cycle related serine-threonine protein kinases. BMC Genomics 2010; 11 Suppl 1:S14. [PMID: 20158871 PMCID: PMC2822528 DOI: 10.1186/1471-2164-11-s1-s14] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
A bioinformatic search was carried for plant homologues of human serine-threonine protein kinases involved in regulation of cell division and microtubule protein phosphorylation (SLK, PAK6, PAK7, MARK1, MAST2, TTBK1, TTBK2, AURKA, PLK1, PLK4 and PASK). A number of SLK, MAST2 and AURKA plant homologues were identified. The closest identified homologue of human AURKA kinase was a protein of unknown function, A7PY12/GSVIVT00026259001 from Vitis vinifera (herein named as "STALK", Serine-Threonine Aurora-Like Kinase). Analysis of STALK's three-dimensional structure confirmed its relationship to the subgroup of AURKA-like protein kinases.
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Affiliation(s)
- Pavel A Karpov
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
| | - Elena S Nadezhdina
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Moscow Region, Russian Federation
- AN Belozersky Institute of Physical-Chemical Biology, Moscow State University, Leninsky Gory, 119992 Moscow, Russian Federation
| | - Alla I Yemets
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
| | - Vadym G Matusov
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
| | - Alexey Yu Nyporko
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
| | - Nadezhda Yu Shashina
- AN Belozersky Institute of Physical-Chemical Biology, Moscow State University, Leninsky Gory, 119992 Moscow, Russian Federation
| | - Yaroslav B Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
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Yemets A, Stelmakh O, Blume YB. Effects of the herbicide isopropyl-N-phenyl carbamate on microtubules and MTOCs in lines of Nicotiana sylvestris resistant and sensitive to its action. Cell Biol Int 2008; 32:623-9. [PMID: 18343166 DOI: 10.1016/j.cellbi.2008.01.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2007] [Accepted: 01/14/2008] [Indexed: 10/22/2022]
Abstract
To clarify the mechanism of isopropyl-N-phenyl carbamate (IPC) action on higher plant cells the sensitivity of microtubules (cortical network and mitotic arrays) and microtubule organizing centers to IPC treatment (30 microM) in IPC-resistant and sensitive Nicotiana sylvestris lines was studied. It was clearly demonstrated that IPC does not depolymerize plant MTs but causes the MTOC damage in cells, which results in MTOC fragmentation, splitting of the spindle poles and in abnormal division spindle formation. It was also found that IPC-resistance of mutant N. sylvestris line correlates not with tubulin resistance to IPC action but possibly with resistance of one of the proteins involved in MTOC composition.
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Affiliation(s)
- Alla Yemets
- Institute of Cell Biology and Genetic Engineering, Kiev, Ukraine.
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Affiliation(s)
- Alla Yemets
- Department of Genomics and Biotechnology, Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, Zabolotnogo str., 148, Kiev, 03143, Ukraine
| | - Yarina Sheremet
- Department of Genomics and Biotechnology, Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, Zabolotnogo str., 148, Kiev, 03143, Ukraine
| | - Yaroslav B Blume
- Department of Genomics and Biotechnology, Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, Zabolotnogo str., 148, Kiev, 03143, Ukraine
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Blume YB, Nyporko A, Demchuk O. Nitrotyrosination of plant α-tubulin: potential mechanisms of influence on cellular processes. BMC Plant Biol 2005; 5:S26. [PMCID: PMC1810273 DOI: 10.1186/1471-2229-5-s1-s26] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Affiliation(s)
- Yaroslav B Blume
- Department of Genomics and Biotechnology, Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, Zabolotnogo str., 148, Kiev, 03039, Ukraine
| | - Alexey Nyporko
- Department of Genomics and Biotechnology, Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, Zabolotnogo str., 148, Kiev, 03039, Ukraine
| | - Oleg Demchuk
- Department of Genomics and Biotechnology, Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, Zabolotnogo str., 148, Kiev, 03039, Ukraine
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Yemets A, Blume YB, Chan J, Lloyd CW. Specific recognition of centrosomal antigen(s) in plant cells by the new polyclonal antibody pol3D2. Cell Biol Int 2004; 27:303-6. [PMID: 12681344 DOI: 10.1016/s1065-6995(02)00347-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Alla Yemets
- Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, acad Zabolotny str, 148, Kiev, 03143, Ukraine.
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Yemets AI, Klimkina LA, Tarassenko LV, Blume YB. Efficient callus formation and plant regeneration of goosegrass [Eleusine indica (L.) Gaertn.]. Plant Cell Rep 2003; 21:503-510. [PMID: 12789423 DOI: 10.1007/s00299-002-0549-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2001] [Revised: 10/10/2002] [Accepted: 10/11/2002] [Indexed: 05/24/2023]
Abstract
Efficient methods in totipotent callus formation, cell suspension culture establishment and whole-plant regeneration have been developed for the goosegrass [ Eleusine indica (L.) Gaertn.] and its dinitroaniline-resistant biotypes. The optimum medium for inducing morphogenic calli consisted of N6 basal salts and B5 vitamins supplemented with 1-2 mg l(-1) 2,4-dichlorophenoxyacetic acid (2,4-D), 2 mg l(-1) glycine, 100 mg l(-1) asparagine, 100 mg l(-1) casein hydrolysate, 30 g l(-1) sucrose and 0.6% agar, pH 5.7. The presence of organogenic and embryogenic structures in these calli was histologically documented. Cell suspension cultures derived from young calli were established in a liquid medium with the same composition. Morphogenic structures of direct shoots and somatic embryos were grown into rooted plantlets on medium containing MS basal salts, B5 vitamins, 1 mg l(-1) kinetin (Kn) and 0.1 mg l(-1) indole-3-acetic acid (IAA), 3% sucrose, 0.6% agar, pH 5.7. Calli derived from the R-biotype of E. indica possessed a high resistance to trifluralin (dinitroaniline herbicide) and cross-resistance to a structurally non-related herbicide, amiprophosmethyl (phosphorothioamidate herbicide), as did the original resistant plants. Embryogenic cell suspension culture was a better source of E. indica protoplasts than callus or mesophyll tissue. The enzyme solution containing 1.5% cellulase Onozuka R-10, 0.5% driselase, 1% pectolyase Y-23, 0.5% hemicellulase and N(6) mineral salts with an additional 0.2 M KCl and 0.1 M CaCl(2) (pH 5.4-5.5) was used for protoplast isolation. The purified protoplasts were cultivated in KM8p liquid medium supplemented with 2 mg l(-1) 2,4-D and 0.2 mg l(-1) Kn.
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Affiliation(s)
- A I Yemets
- Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, Acad. Zabolotny str. 148, 03143 Kiev, Ukraine.
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