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Samarina L, Fedorina J, Kuzmina D, Malyukova L, Manakhova K, Kovalenko T, Matskiv A, Xia E, Tong W, Zhang Z, Ryndin A, Orlov YL, Khlestkina EK. Analysis of Functional Single-Nucleotide Polymorphisms (SNPs) and Leaf Quality in Tea Collection under Nitrogen-Deficient Conditions. Int J Mol Sci 2023; 24:14538. [PMID: 37833988 PMCID: PMC10572165 DOI: 10.3390/ijms241914538] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/19/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
This study discusses the genetic mutations that have a significant association with economically important traits that would benefit tea breeders. The purpose of this study was to analyze the leaf quality and SNPs in quality-related genes in the tea plant collection of 20 mutant genotypes growing without nitrogen fertilizers. Leaf N-content, catechins, L-theanine, and caffeine contents were analyzed in dry leaves via HPLC. Additionally, the photochemical yield, electron transport efficiency, and non-photochemical quenching were analyzed using PAM-fluorimetry. The next generation pooled amplicon-sequencing approach was used for SNPs-calling in 30 key genes related to N metabolism and leaf quality. The leaf N content varied significantly among genotypes (p ≤ 0.05) from 2.3 to 3.7% of dry mass. The caffeine content varied from 0.7 to 11.7 mg g-1, and the L-theanine content varied from 0.2 to 5.8 mg g-1 dry leaf mass. Significant positive correlations were detected between the nitrogen content and biochemical parameters such as theanine, caffeine, and most of the catechins. However, significant negative correlations were observed between the photosynthetic parameters (Y, ETR, Fv/Fm) and several biochemical compounds, including rutin, Quercetin-3-O-glucoside, Kaempferol-3-O-rutinoside, Kaempferol-3-O-glucoside, Theaflavin-3'-gallate, gallic acid. From our SNP-analysis, three SNPs in WRKY57 were detected in all genotypes with a low N content. Moreover, 29 SNPs with a high or moderate effect were specific for #316 (high N-content, high quality) or #507 (low N-content, low quality). The use of a linear regression model revealed 16 significant associations; theaflavin, L-theanine, and ECG were associated with several SNPs of the following genes: ANSa, DFRa, GDH2, 4CL, AlaAT1, MYB4, LHT1, F3'5'Hb, UFGTa. Among them, seven SNPs of moderate effect led to changes in the amino acid contents in the final proteins of the following genes: ANSa, GDH2, 4Cl, F3'5'Hb, UFGTa. These results will be useful for further evaluations of the important SNPs and will help to provide a better understanding of the mechanisms of nitrogen uptake efficiency in tree crops.
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Affiliation(s)
- Lidiia Samarina
- Center of Genetics and Life Sciences Sirius University of Science and Technology, Olimpiyskiy Ave. b.1, 354340 Sirius, Russia; (L.S.); (J.F.); (D.K.); (K.M.); (T.K.); (E.K.K.)
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 344002 Sochi, Russia; (L.M.); (A.M.)
| | - Jaroslava Fedorina
- Center of Genetics and Life Sciences Sirius University of Science and Technology, Olimpiyskiy Ave. b.1, 354340 Sirius, Russia; (L.S.); (J.F.); (D.K.); (K.M.); (T.K.); (E.K.K.)
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 344002 Sochi, Russia; (L.M.); (A.M.)
| | - Daria Kuzmina
- Center of Genetics and Life Sciences Sirius University of Science and Technology, Olimpiyskiy Ave. b.1, 354340 Sirius, Russia; (L.S.); (J.F.); (D.K.); (K.M.); (T.K.); (E.K.K.)
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 344002 Sochi, Russia; (L.M.); (A.M.)
| | - Lyudmila Malyukova
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 344002 Sochi, Russia; (L.M.); (A.M.)
| | - Karina Manakhova
- Center of Genetics and Life Sciences Sirius University of Science and Technology, Olimpiyskiy Ave. b.1, 354340 Sirius, Russia; (L.S.); (J.F.); (D.K.); (K.M.); (T.K.); (E.K.K.)
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 344002 Sochi, Russia; (L.M.); (A.M.)
| | - Tatyana Kovalenko
- Center of Genetics and Life Sciences Sirius University of Science and Technology, Olimpiyskiy Ave. b.1, 354340 Sirius, Russia; (L.S.); (J.F.); (D.K.); (K.M.); (T.K.); (E.K.K.)
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 344002 Sochi, Russia; (L.M.); (A.M.)
| | - Alexandra Matskiv
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 344002 Sochi, Russia; (L.M.); (A.M.)
| | - Enhua Xia
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China; (E.X.)
| | - Wei Tong
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China; (E.X.)
| | - Zhaoliang Zhang
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China; (E.X.)
| | - Alexey Ryndin
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 344002 Sochi, Russia; (L.M.); (A.M.)
| | - Yuriy L. Orlov
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 344002 Sochi, Russia; (L.M.); (A.M.)
- Agrarian and Technological Institute, Peoples’ Friendship University of Russia, 117198 Moscow, Russia
| | - Elena K. Khlestkina
- Center of Genetics and Life Sciences Sirius University of Science and Technology, Olimpiyskiy Ave. b.1, 354340 Sirius, Russia; (L.S.); (J.F.); (D.K.); (K.M.); (T.K.); (E.K.K.)
- Federal Research Center N. I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR), 196632 Saint Petersburg, Russia
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Morgalev SY, Lim AG, Morgaleva TG, Morgalev YN, Manasypov RM, Kuzmina D, Shirokova LS, Orgogozo L, Loiko SV, Pokrovsky OS. Fractionation of organic C, nutrients, metals and bacteria in peat porewater and ice after freezing and thawing. Environ Sci Pollut Res Int 2023; 30:823-836. [PMID: 35904738 DOI: 10.1007/s11356-022-22219-1] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 07/21/2022] [Indexed: 06/15/2023]
Abstract
To better understand freezing - thawing cycles operating in peat soils of permafrost landscapes, we experimentally modelled bi-directional freezing and thawing of peat collected from a discontinuous permafrost zone in western Siberia. We measured translocation of microorganisms and changes in porewater chemistry (pH, UV absorbance, dissolved organic carbon (DOC), and major and trace element concentrations) after thawing and two-way freezing of the three sections of 90-cm-long peat core. We demonstrate that bi-directional freezing and thawing of a peat core is capable of strongly modifying the vertical pattern of bacteria, DOC, nutrients, and trace element concentrations. Sizeable enrichment (a factor of 2 to 5) of DOC, macro- (P, K, Ca) and micro-nutrients (Ni, Mn, Co, Rb, B), and some low-mobile trace elements in several horizons of ice and peat porewater after freeze/thaw experiment may stem from physical disintegration of peat particles, leaching of peat constituents, and opening of isolated (non-connected) pores during freezing front migration. However, due to the appearance of multiple maxima of element concentration after a freeze-thaw event, the use of peat ice chemical composition as environmental archive for paleo-reconstructions is unwarranted.
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Affiliation(s)
- Sergey Yu Morgalev
- Centre "Biotest-Nano", Tomsk State University, 36 Lenin Avenue, Tomsk, 634050, Russia
| | - Artem G Lim
- BIO-GEO-CLIM Laboratory, Tomsk State University, 35 Lenina Pr, Tomsk, Russia
| | - Tamara G Morgaleva
- Centre "Biotest-Nano", Tomsk State University, 36 Lenin Avenue, Tomsk, 634050, Russia
| | - Yuri N Morgalev
- Centre "Biotest-Nano", Tomsk State University, 36 Lenin Avenue, Tomsk, 634050, Russia
| | - Rinat M Manasypov
- BIO-GEO-CLIM Laboratory, Tomsk State University, 35 Lenina Pr, Tomsk, Russia
| | - Daria Kuzmina
- BIO-GEO-CLIM Laboratory, Tomsk State University, 35 Lenina Pr, Tomsk, Russia
| | - Liudmila S Shirokova
- N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Arkhangelsk, Nab Severnoi Dviny, 23, Russia
- Geosciences and Environment Toulouse, UMR 5563 CNRS, University of Toulouse, 14 Avenue Edouard Belin, 31400, Toulouse, France
| | - Laurent Orgogozo
- Geosciences and Environment Toulouse, UMR 5563 CNRS, University of Toulouse, 14 Avenue Edouard Belin, 31400, Toulouse, France
| | - Sergey V Loiko
- BIO-GEO-CLIM Laboratory, Tomsk State University, 35 Lenina Pr, Tomsk, Russia
| | - Oleg S Pokrovsky
- Geosciences and Environment Toulouse, UMR 5563 CNRS, University of Toulouse, 14 Avenue Edouard Belin, 31400, Toulouse, France.
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Kuzmina D, Lim AG, Loiko SV, Pokrovsky OS. Experimental assessment of tundra fire impact on element export and storage in permafrost peatlands. Sci Total Environ 2022; 853:158701. [PMID: 36108862 DOI: 10.1016/j.scitotenv.2022.158701] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 06/15/2023]
Abstract
Extensive studies have been performed on wildfire impact on terrestrial and aquatic ecosystems in the taiga biome, however consequences of wildfires in the tundra biome remain poorly understood. In such a biome, permafrost peatlands occupy a sizable territory in the Northern Hemisphere and present an extensive and highly vulnerable storage of organic carbon. Here we used an experimental approach to model the impact of ash produced from burning of main tundra organic constituents (i.e., moss, lichen and peat) on surrounding aquatic ecosystems. We studied the chemical composition of aqueous leachates produced during short-term (1 week) interaction of ash with distilled water and organic-rich lake water at 5 gsolid L-1 and 20 °C. The addition of ash enriched the fluid phase in major cations (i.e., Na, Ca, Mg), macro- (i.e., P, K, Si) and micronutrients (i.e., Mn, Fe, Co, Ni, Zn, Mo). This enrichment occurred over <2 days of experiment. Among 3 studied substrates, moss ash released the largest amount of macro- and micro-components into the aqueous solution. To place the obtained results in the environmental context of a peatbog watershed, we assume a fire return interval of 56 years and that the entire 0-10 cm of upper peat is subjected to fire impact. These mass balance calculations demonstrated that maximal possible delivery of elements from ash after soil burning to the hydrological network is negligibly small (<1-2 %) compared to the annual riverine export flux and element storage in thermokarst lakes. As such, even a 5-10 fold increase in tundra wildfire frequency may not sizably modify nutrient and metal fluxes and pools in the surrounding aquatic ecosystems. This result requires revisiting the current paradigm on the importance of wildfire impact on permafrost peatlands and calls a need for experimental work on other ecosystem compartments (litter, shrubs, frozen peat) which are subjected to fire events.
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Affiliation(s)
- Daria Kuzmina
- BIO-GEO-CLIM Laboratory, Tomsk State University, 36 av. Lenina, Tomsk 634004, Russia
| | - Artem G Lim
- BIO-GEO-CLIM Laboratory, Tomsk State University, 36 av. Lenina, Tomsk 634004, Russia
| | - Sergey V Loiko
- BIO-GEO-CLIM Laboratory, Tomsk State University, 36 av. Lenina, Tomsk 634004, Russia
| | - Oleg S Pokrovsky
- GET UMR 5563 CNRS University of Toulouse, 14 Avenue Edouard Belin, 31400 Toulouse, France; N Laverov Federal Center for Integrated Arctic Research, Ural Branch of the Russian Academy of Science, 23 Nab Severnoi Dviny, Arkhangelsk 163000, Russia.
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Akimov VV, Kuzmina D, Fedoskina A, Vlasova T, Dvaladze L, Ryzhkov V, Akimov VP. ASSESSMENT OF LASER AND ANTIOXIDANT THERAPY EFFICACY IN TREATMENT OF CHRONIC GENERALIZED PERIODONTITIS. Georgian Med News 2021:54-57. [PMID: 33814391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Chronic generalized parodontitis is one of the most prevalent disorders among diseases of oral cavity, making the search for optimal treatment modalities of this disorder one of the mostressing matters to this day. The purpose of this study was to assess outcomes of conventional therapy and secondary prevention of chronic generalized parodontitis with in combination with use of laser therapy and antioxidant drug treatment. The study is presented as a joint multi-site investigation conducted by the group of authors from St. Petersburg and Saransk medical teaching and clinical institutions. The aim of the study was to improve the treatment and secondary prevention of chronic generalized parodontitis based on a pathogenetically substantiated scheme of laser and antioxidant therapy. The total of 98 patients (31 male and 67 female) aged 30-50 years) with the 3 to 10 year history of moderate chronic generalized parodontitis were selected for the prospective study. All patients were approximately equally divided into three groups according to the received treatment regimens: conventional treatment, laser therapy, and laser therapy with antioxidant medication. Several clinical indices were utilized for parodontal tissue assessment (PMA, SBI, AP), resistance of gingival capillary bed, osteal resorption. The lipid peroxide oxidation was determined by MDA, Fe2+ MDA and phospholipase A2. Additional implementation of laser and metabolic therapies sufficiently increases efficacy of conventional therapy and improves secondary prevention of chronic parodontitis. A marked decrease in structural-functional deviations and apparent recovery of microcirculatory vascular bed of parodontal tissue has been achieved. .
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Affiliation(s)
- V V Akimov
- 1Saint Petersburg State University, Department of Clinical Dentistry SPbU; Russian Federation
| | - D Kuzmina
- 1Saint Petersburg State University, Department of Clinical Dentistry SPbU; 2GOU VPO «N.P. Ogarev Mordovia State University», Saransk; 3FSBI «North-West Regional Scientific and Clinical Center Named After L.G. Sokolov» of FMBA Saint-Petersburg; 4North-Western State Medical University Named After I.I. Mechnikov, Under the Ministry of Public Health, Saint-Petersbur, Russian Federation
| | - A Fedoskina
- 2GOU VPO «N.P. Ogarev Mordovia State University», Saransk; Russian Federation
| | - T Vlasova
- 2GOU VPO «N.P. Ogarev Mordovia State University», Saransk; Russian Federation
| | - L Dvaladze
- 3FSBI «North-West Regional Scientific and Clinical Center Named After L.G. Sokolov» of FMBA Saint-Petersburg; Russian Federation
| | - V Ryzhkov
- 4North-Western State Medical University Named After I.I. Mechnikov, Under the Ministry of Public Health, Saint-Petersbur, Russian Federation
| | - V P Akimov
- 1Saint Petersburg State University, Department of Clinical Dentistry SPbU; Russian Federation
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Payandi-Rolland D, Shirokova LS, Tesfa M, Bénézeth P, Lim AG, Kuzmina D, Karlsson J, Giesler R, Pokrovsky OS. Dissolved organic matter biodegradation along a hydrological continuum in permafrost peatlands. Sci Total Environ 2020; 749:141463. [PMID: 32827830 DOI: 10.1016/j.scitotenv.2020.141463] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/30/2020] [Accepted: 08/01/2020] [Indexed: 06/11/2023]
Abstract
Arctic regions contain large amounts of organic carbon (OC) trapped in soil and wetland permafrost. With climate warming, part of this OC is released to aquatic systems and degraded by microorganisms, thus resulting in positive feedback due to carbon (C) emission. In wetland areas, water bodies are spatially heterogenic and separated by landscape position and water residence time. This represents a hydrological continuum, from depressions, smaller water bodies and lakes to the receiving streams and rivers. Yet, the effect of this heterogeneity on the OC release from the soil and its processing in waters is largely unknown and not accounted for in C cycle models of Arctic regions. Here we investigated the dissolved OC (DOC) biodegradation of aquatic systems along a hydrological continuum located in two discontinuous permafrost sites: in western Siberia and northern Sweden. The biodegradable dissolved OC (BDOC15; % DOC lost relative to the initial DOC concentration after 15 days incubation at 20 °C) ranged from 0 to 20% for small water bodies located at the beginning of the continuum (soil solutions, small ponds, fen and lakes) and from 10 to 20% for streams and rivers. While the BDOC15 increased, the removal rate of DOC decreased along the hydrological continuum. The potential maximum CO2 production from DOC biodegradation was estimated to account for only a small part of in-situ CO2 emissions measured in peatland aquatic systems of northern Sweden and western Siberia. This suggests that other sources, such as sediment respiration and soil input, largely contribute to CO2 emissions from small surface waters of permafrost peatlands. Our results highlight the need to account for large heterogeneity of dissolved OC concentration and biodegradability in order to quantify C cycling in arctic water bodies susceptible to permafrost thaw.
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Affiliation(s)
- D Payandi-Rolland
- Geoscience and Environment Toulouse, GET-CNRS-IRD-OMP, University of Toulouse, 14, Avenue Edouard Belin, 31400 Toulouse, France.
| | - L S Shirokova
- Geoscience and Environment Toulouse, GET-CNRS-IRD-OMP, University of Toulouse, 14, Avenue Edouard Belin, 31400 Toulouse, France; N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Arkhangelsk, Russia
| | - M Tesfa
- Geoscience and Environment Toulouse, GET-CNRS-IRD-OMP, University of Toulouse, 14, Avenue Edouard Belin, 31400 Toulouse, France
| | - P Bénézeth
- Geoscience and Environment Toulouse, GET-CNRS-IRD-OMP, University of Toulouse, 14, Avenue Edouard Belin, 31400 Toulouse, France
| | - A G Lim
- BIO-GEO-CLIM Laboratory, Tomsk State University, 35 Lenina Pr., Tomsk, Russia
| | - D Kuzmina
- BIO-GEO-CLIM Laboratory, Tomsk State University, 35 Lenina Pr., Tomsk, Russia
| | - J Karlsson
- Climate Impacts Research Centre (CIRC), Department of Ecology and Environmental Science, Umeå University, SE-981 07 Abisko, Sweden
| | - R Giesler
- Climate Impacts Research Centre (CIRC), Department of Ecology and Environmental Science, Umeå University, SE-981 07 Abisko, Sweden
| | - O S Pokrovsky
- Geoscience and Environment Toulouse, GET-CNRS-IRD-OMP, University of Toulouse, 14, Avenue Edouard Belin, 31400 Toulouse, France; N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Arkhangelsk, Russia; BIO-GEO-CLIM Laboratory, Tomsk State University, 35 Lenina Pr., Tomsk, Russia
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