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Tan Y, An K, Su J. Review: Mechanism of herbivores synergistically metabolizing toxic plants through liver and intestinal microbiota. Comp Biochem Physiol C Toxicol Pharmacol 2024; 281:109925. [PMID: 38643812 DOI: 10.1016/j.cbpc.2024.109925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 03/31/2024] [Accepted: 04/16/2024] [Indexed: 04/23/2024]
Abstract
Interspecific interactions are central to ecological research. Plants produce toxic plant secondary metabolites (PSMs) as a defense mechanism against herbivore overgrazing, prompting their gradual adaptation to toxic substances for tolerance or detoxification. P450 enzymes in herbivore livers bind to PSMs, whereas UDP-glucuronosyltransferase and glutathione S-transferase increase the hydrophobicity of the bound PSMs for detoxification. Intestinal microorganisms such as Bacteroidetes metabolize cellulase and other macromolecules to break down toxic components. However, detoxification is an overall response of the animal body, necessitating coordination among various organs to detoxify ingested PSMs. PSMs undergo detoxification metabolism through the liver and gut microbiota, evidenced by increased signaling processes of bile acids, inflammatory signaling molecules, and aromatic hydrocarbon receptors. In this context, we offer a succinct overview of how metabolites from the liver and gut microbiota of herbivores contribute to enhancing metabolic PSMs. We focused mainly on elucidating the molecular communication between the liver and gut microbiota involving endocrine, immune, and metabolic processes in detoxification. We have also discussed the potential for future alterations in the gut of herbivores to enhance the metabolic effects of the liver and boost the detoxification and metabolic abilities of PSMs.
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Affiliation(s)
- Yuchen Tan
- College of Grassland Science, Key Laboratory of Grassland Ecosystem (Ministry of Education), Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou 730070, China
| | - Kang An
- College of Grassland Science, Key Laboratory of Grassland Ecosystem (Ministry of Education), Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou 730070, China
| | - Junhu Su
- College of Grassland Science, Key Laboratory of Grassland Ecosystem (Ministry of Education), Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou 730070, China.
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2
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Zhang Q, Shi Y, Hu H, Shi Y, Tang D, Ruan J, Fernie AR, Liu MY. Magnesium promotes tea plant growth via enhanced glutamine synthetase-mediated nitrogen assimilation. PLANT PHYSIOLOGY 2023; 192:1321-1337. [PMID: 36879396 PMCID: PMC10231486 DOI: 10.1093/plphys/kiad143] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/08/2023] [Accepted: 02/12/2023] [Indexed: 06/01/2023]
Abstract
Acidic tea (Camellia sinensis) plantation soil usually suffers from magnesium (Mg) deficiency, and as such, application of fertilizer containing Mg can substantially increase tea quality by enhancing the accumulation of nitrogen (N)-containing chemicals such as amino acids in young tea shoots. However, the molecular mechanisms underlying the promoting effects of Mg on N assimilation in tea plants remain unclear. Here, both hydroponic and field experiments were conducted to analyze N, Mg, metabolite contents, and gene expression patterns in tea plants. We found that N and amino acids accumulated in tea plant roots under Mg deficiency, while metabolism of N was enhanced by Mg supplementation, especially under a low N fertilizer regime. 15N tracing experiments demonstrated that assimilation of N was induced in tea roots following Mg application. Furthermore, weighted gene correlation network analysis (WGCNA) analysis of RNA-seq data suggested that genes encoding glutamine synthetase isozymes (CsGSs), key enzymes regulating N assimilation, were markedly regulated by Mg treatment. Overexpression of CsGS1.1 in Arabidopsis (Arabidopsis thaliana) resulted in a more tolerant phenotype under Mg deficiency and increased N assimilation. These results validate our suggestion that Mg transcriptionally regulates CsGS1.1 during the enhanced assimilation of N in tea plant. Moreover, results of a field experiment demonstrated that high Mg and low N had positive effects on tea quality. This study deepens our understanding of the molecular mechanisms underlying the interactive effects of Mg and N in tea plants while also providing both genetic and agronomic tools for future improvement of tea production.
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Affiliation(s)
- Qunfeng Zhang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants (Ministry of Agriculture and Rural Affairs), Hangzhou 310008, China
| | - Yutao Shi
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
- College of Tea and Food Science, Wuyi University, Wuyishan 354300, China
| | - Hao Hu
- Department of Botany and Plant Sciences, Institute of Integrative Genome Biology, University of California, Riverside, CA 92521, USA
- Key Laboratory for Biology of Horticultural Plants, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Yuanzhi Shi
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants (Ministry of Agriculture and Rural Affairs), Hangzhou 310008, China
| | - Dandan Tang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Jianyun Ruan
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants (Ministry of Agriculture and Rural Affairs), Hangzhou 310008, China
| | - Alisdair R Fernie
- Max-Planck-Institute of Molecular Plant Physiology, Am Muehlenberg 1, 14476 Potsdam-Golm, Germany
| | - Mei-Ya Liu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants (Ministry of Agriculture and Rural Affairs), Hangzhou 310008, China
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Zhang Q, Ruan J, Mumm R, de Vos RCH, Liu MY. Dynamic Changes in the Antioxidative Defense System in the Tea Plant Reveal the Photoprotection-Mediated Temporal Accumulation of Flavonoids under Full Sunlight Exposure. PLANT & CELL PHYSIOLOGY 2022; 63:1695-1708. [PMID: 36043695 DOI: 10.1093/pcp/pcac125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/15/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
To reveal the mechanisms underlying how light affects flavonoid metabolism and the potential role of flavonoids in protecting against photooxidative stress in tea leaves, tea plants adapted to low-light conditions were exposed to full sunlight over 48 h. There was an increase in the activities of catalase (CAT) and superoxide dismutase (SOD) as well as greater accumulation of reactive oxygen species, lutein, tocopherols, ascorbate and malondialdehyde, suggestive of a time-dependent response to photooxidative stress in tea leaves. Analysis of the time dependency of each element of the antioxidant system indicated that carotenoids and tocopherols exhibited the fastest response to light stress (within 3 h), followed by SOD, CAT and catechin, which peaked at 24 h. Meanwhile, flavonols, vitamin C and glutathione showed the slowest response. Subsequent identification of the main phytochemicals involved in protecting against oxidative stress using untargeted metabolomics revealed a fast and initial accumulation of nonesterified catechins that preceded the increase in flavonol glycosides and catechin esters. Gene expression analysis suggested that the light-induced accumulation of flavonoids was highly associated with the gene encoding flavonol synthase. Ultraviolet B (UV-B) irradiation further validated the time-dependent and collaborative effects of flavonoids in photoprotection in tea plants. Intriguingly, the dynamics of the metabolic response are highly distinct from those reported for Arabidopsis, suggesting that the response to light stress is not conserved across plants. This study additionally provides new insights into the functional role of flavonoids in preventing photooxidative stress and may contribute to further improving tea quality through the control of light intensity.
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Affiliation(s)
- Qunfeng Zhang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, 9 South Meiling Road, Hangzhou, Zhejiang 310008, China
- Key Laboratory of Plant Biology and Resource Application of Tea, Ministry of Agriculture and Rural Affairs, 9 South Meiling Road, Hangzhou 31008, China
| | - Jianyun Ruan
- Tea Research Institute, Chinese Academy of Agricultural Sciences, 9 South Meiling Road, Hangzhou, Zhejiang 310008, China
- Key Laboratory of Plant Biology and Resource Application of Tea, Ministry of Agriculture and Rural Affairs, 9 South Meiling Road, Hangzhou 31008, China
| | - Roland Mumm
- Wageningen Plant Research, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Ric C H de Vos
- Wageningen Plant Research, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Mei-Ya Liu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, 9 South Meiling Road, Hangzhou, Zhejiang 310008, China
- Key Laboratory of Plant Biology and Resource Application of Tea, Ministry of Agriculture and Rural Affairs, 9 South Meiling Road, Hangzhou 31008, China
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Integration of Metabolomics and Transcriptomics Reveal the Mechanism Underlying Accumulation of Flavonols in Albino Tea Leaves. Molecules 2022; 27:molecules27185792. [PMID: 36144526 PMCID: PMC9501457 DOI: 10.3390/molecules27185792] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/11/2022] [Accepted: 08/30/2022] [Indexed: 11/17/2022] Open
Abstract
Albino tea plants (Camellia sinensis) have been reported to possess highly inhibited metabolism of flavonoids compared to regular green tea leaves, which improves the quality of the tea made from these leaves. However, the mechanisms underlying the metabolism of catechins and flavonols in albino tea leaves have not been well elucidated. In this study, we analyzed a time series of leaf samples in the greening process from albino to green in a thermosensitive leaf-color tea mutant using metabolomics and transcriptomics. The total content of polyphenols dramatically decreased, while flavonols (such as rutin) were highly accumulated in albino leaves compared to in green leaves. After treatment with increasing environment temperature, total polyphenols and catechins were increased in albino mutant tea leaves; however, flavonols (especially ortho-dihydroxylated B-rings such as rutin) were decreased. Meanwhile, weighted gene co-expression network analysis of RNA-seq data suggested that the accumulation of flavonols was highly correlated with genes related to reactive oxygen species scavenging. Histochemical localization further demonstrated that this specific accumulation of flavonols might be related to their biological functions in stress tolerance. These findings suggest that the temperature-stimulated accumulation of total polyphenols and catechins in albino mutant tea leaves was highly induced by enhanced photosynthesis and accumulation of its products, while the initial accumulation and temperature inhibition of flavonols in albino mutant tea leaves were associated with metabolism related to oxidative stress. In conclusion, our results indicate that the biosynthesis of flavonoids could be driven by many different factors, including antioxidation and carbon skeleton storage, under favorable and unfavorable circumstances, respectively. This work provides new insights into the drivers of flavonoid biosynthesis in albino tea leaves, which will further help to increase tea quality by improving cultivation measures.
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Oberschelp GPJ, Morales LL, Montecchiarini ML, Harrand L, Podestá FE, Margarit E. Harder, better, faster, stronger: Frost tolerance of Eucalyptus benthamii under cold acclimation. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 186:64-75. [PMID: 35810688 DOI: 10.1016/j.plaphy.2022.06.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 04/25/2022] [Accepted: 06/19/2022] [Indexed: 06/15/2023]
Abstract
Eucalypts are the most planted hardwood trees worldwide because of their very rapid growth, exceptional wood quality and adaptability. However, most commercial species and derived hybrids are sensitive to frost, which remains as the largest obstacle to their introduction in warm/temperate climates. As evergreen species, Eucalypts have developed the ability to tolerate frost events based on physiological and molecular responses triggered by previous exposure to cold temperatures, globally named cold acclimation. To characterize the acclimation process in two species with different tolerance to frost, E. grandis (Eg) and E. benthamii (Eb), seedlings were exposed for different times to low temperatures. Frost tolerance was estimated in leaves by an electrolyte leakage assay, and metabolome and morpho-physiological changes studied and correlated to the observed acclimation responses. Eb showed higher basal frost tolerance and an earlier and stronger acclimation response to cold temperatures than in the frost sensitive Eg. Eb was able to modify several morpho-physiological parameters, with a restriction in plant height, leaf area and leaf fresh weight during acclimation. Metabolome characterization allowed us to differentiate species and strengthen our understanding of their acclimation response dynamics. Interestingly, Eb displayed an early phase of sugar accumulation followed by a rise of different metabolites with possible roles as osmolytes and antioxidants, that correlated to frost tolerance and may explain Eb higher capacity to acclimate. This novel approach has helped us to point to the main metabolic processes underlying the cold tolerance acquisition process in two relevant Eucalyptus species.
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Affiliation(s)
| | - Luisina Lourdes Morales
- Centro de Estudios Fotosintéticos y Bioquímicos (CEFOBI), Suipacha 531, Rosario, Santa Fe, Argentina
| | | | - Leonel Harrand
- EEA Concordia del INTA, Ruta 22 y vías del ferrocarril, Colonia Yeruá, Entre Ríos, Argentina
| | - Florencio Esteban Podestá
- Centro de Estudios Fotosintéticos y Bioquímicos (CEFOBI), Suipacha 531, Rosario, Santa Fe, Argentina
| | - Ezequiel Margarit
- Centro de Estudios Fotosintéticos y Bioquímicos (CEFOBI), Suipacha 531, Rosario, Santa Fe, Argentina.
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6
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Bakir S, Hall RD, de Vos RC, Mumm R, Kadakal Ç, Capanoglu E. Effect of drying treatments on the global metabolome and health-related compounds in tomatoes. Food Chem 2022; 403:134123. [DOI: 10.1016/j.foodchem.2022.134123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 08/31/2022] [Accepted: 09/02/2022] [Indexed: 11/28/2022]
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7
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Rakhesh KV, Ashalatha SN, Mahima K, Baskar V, Thiruvengadam M. Untargeted Metabolomic Approach to Determine the Regulatory Pathways on Salicylic Acid-Mediated Stress Response in Aphanamixis polystachya Seedlings. Molecules 2022; 27:2966. [PMID: 35566316 PMCID: PMC9102903 DOI: 10.3390/molecules27092966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/22/2022] [Accepted: 04/26/2022] [Indexed: 02/01/2023] Open
Abstract
Plants thrive under abiotic and biotic stress conditions with the changes in phytohormones like salicylic acid (SA), resulting in the synthesis of secondary metabolites. The present study determines the response of plants in producing secondary metabolites towards different SA concentrations at varying time intervals. Liquid chromatography-mass spectrometry-based metabolomics studies in Aphanamixis polystachya (Wall.) Parker seedlings are grown at 10 mM, 50 mM, and 100 mM SA concentrations, showed the differential expression of metabolites towards the stress. Alkaloids like amaranthin showed a 15-fold increase on the second day, and analog of androvinblastin showed a 20-fold increase on the sixth day in 10 mM SA compared with other groups. Flavanoid cyanidin 3-3 glucosyl was found to be with a 22-fold increment along with terpenoids betavulgaroside (18-fold), asiaticoside (17-fold), mubenin B (20-fold), and deslanoside (22-fold) increment in 50 mM SA on the sixth day. The shock exerted by 100 mM was too harsh, and the lowered metabolite production level was insufficient for the seedlings to survive at this higher SA condition. Arrangement of stressed groups using Pearson correlation studies, principal component analysis, and partial least square analysis placed 10 mM SA and controlled group closer and 50 mM SA and 100 mM SA groups closer to each other. The study observed that SA regulates metabolites that mediate biotic stress responses at low concentrations, and higher concentrations regulate abiotic stress regulating metabolites.
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Affiliation(s)
| | | | - Karthikeyan Mahima
- Department of Pharmacognosy, Siddha Central Research Institute, Chennai 600106, India;
| | - Venkidasamy Baskar
- Department of Biotechnology, Sri Shakthi Institute of Engineering and Technology, Coimbatore 641062, India;
| | - Muthu Thiruvengadam
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul 05029, Korea
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8
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Productivity-Based Land Suitability and Management Sensitivity Analysis: The Eucalyptus E. urophylla × E. grandis Case. FORESTS 2022. [DOI: 10.3390/f13020340] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Eucalyptus plantations are productive and short rotation forests prevalent in tropical areas that experience fast expansion and face controversies in ecological issues. In this study, we perform a systematic analysis of factors influencing eucalyptus growth through plot records from the National Forest Inventories and satellite images. We find primary restricting factors for eucalyptus growth via machine learning algorithms with random forests and accumulated local effects plots, as conventional forest growth models are inadequate to calculate the causal effect with the large number of environmental and socioeconomic factors. As a result, despite common belief that temperature affects eucalyptus growth the most, we find that precipitation is the most evident restricting factor for eucalyptus growth. We then identify and rank key factors that affect timber growth, such as tree density, rotation period, and wood ownership. Finally, we suggest optimal management and planting strategies for local farmers and policymakers to facilitate eucalyptus growth.
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9
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Mao L, van Arkel J, Hendriks WH, Cone JW, de Vos RC, Sonnenberg AS. Assessing the nutritional quality of fungal treated wheat straw: Compounds formed after treatment with Ceriporiopsis subvermispora and Lentinula edodes. Anim Feed Sci Technol 2021. [DOI: 10.1016/j.anifeedsci.2021.114924] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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He Y, Pan L, Yang T, Wang W, Li C, Chen B, Shen Y. Metabolomic and Confocal Laser Scanning Microscopy (CLSM) Analyses Reveal the Important Function of Flavonoids in Amygdalus pedunculata Pall Leaves With Temporal Changes. FRONTIERS IN PLANT SCIENCE 2021; 12:648277. [PMID: 34093611 PMCID: PMC8170035 DOI: 10.3389/fpls.2021.648277] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 04/22/2021] [Indexed: 06/12/2023]
Abstract
Amygdalus pedunculata Pall [Rosaceae, Prunus, Prunus pedunculata (Pall.) Maxim.] belongs to the Rosaceae family and is resistant to cold and drought. Ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry and metabolomics were used to track the changes in bioactive metabolites during several stages of Amygdalus pedunculata Pall growth. A total of 827 different metabolites were detected, including 169 flavonoids, 68 organic acids, 35 terpenoids and 2 tannins. Flavonoid biosynthesis and flavone and flavonol biosynthesis were the main synthetic sources of flavonoids. Quercetin, isoquercitrin, and epicatechin as biomarkers related to growth and development were found. Quercetin connects the biosynthesis of flavonoids and the biosynthesis of flavones and flavonols. The contents of isoquercitrin and epicatechin increased uniformly during the whole growth process from the flowering stage to the fruit ripening stage, indicating that play key roles in the fruit growth and ripening stages of this plant. The tissue location and quantitative analysis of flavonoids in leaves at different stages were performed by confocal laser scanning microscopy. The flavonoids were mainly distributed in the palisade tissue and spongy tissue, indicating the need for protection of these sensitive tissues in particular. Through comprehensive and systematic analysis, the temporal distribution of flavonoids in the process of their leaves growth was determined. These results clarify the important role of flavonoids in the developmental process of Amygdalus pedunculata Pall.
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Affiliation(s)
- Yueyue He
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi’an, China
| | - Lei Pan
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi’an, China
| | - Tao Yang
- Shaanxi Academy of Forestry, Xi’an, China
- Technology Research Center of Amygdalus pedunculata of State Forestry and Grassland Administration, Yulin, China
| | - Wei Wang
- Key Laboratory of Silviculture of the State Forestry Administration, The Institute of Forestry, The Chinese Academy of Forestry, Beijing, China
| | - Cong Li
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi’an, China
| | - Bang Chen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi’an, China
| | - Yehua Shen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi’an, China
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Rodrigues AM, Miguel C, Chaves I, António C. Mass spectrometry-based forest tree metabolomics. MASS SPECTROMETRY REVIEWS 2021; 40:126-157. [PMID: 31498921 DOI: 10.1002/mas.21603] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 08/05/2019] [Indexed: 05/24/2023]
Abstract
Research in forest tree species has advanced slowly when compared with other agricultural crops and model organisms, mainly due to the long-life cycles, large genome sizes, and lack of genomic tools. Additionally, trees are complex matrices, and the presence of interferents (e.g., oleoresins and cellulose) challenges the analysis of tree tissues with mass spectrometry (MS)-based analytical platforms. In this review, advances in MS-based forest tree metabolomics are discussed. Given their economic and ecological significance, particular focus is given to Pinus, Quercus, and Eucalyptus forest tree species to better understand their metabolite responses to abiotic and biotic stresses in the current climate change scenario. Furthermore, MS-based metabolomics technologies produce large and complex datasets that require expertize to adequately manage, process, analyze, and store the data in dedicated repositories. To ensure that the full potential of forest tree metabolomics data are translated into new knowledge, these data should comply with the FAIR principles (i.e., Findable, Accessible, Interoperable, and Re-usable). It is essential that adequate standards are implemented to annotate metadata from forest tree metabolomics studies as is already required by many science and governmental agencies and some major scientific publishers. © 2019 John Wiley & Sons Ltd. Mass Spec Rev 40:126-157, 2021.
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Affiliation(s)
- Ana Margarida Rodrigues
- Plant Metabolomics Laboratory, GreenIT-Bioresources for Sustainability, Instituto de Tecnologia Química e Biológica António Xavie, Universidade Nova de Lisboa (ITQB NOVA) Avenida da República, Oeiras, 2780-157, Portugal
| | - Célia Miguel
- Forest Genomics & Molecular Genetics Lab, BioISI-Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisboa, 1749-016, Lisboa, Portugal
- Instituto de Biologia Experimental e Tecnológica (iBET), 2780-157, Oeiras, Portugal
| | - Inês Chaves
- Forest Genomics & Molecular Genetics Lab, BioISI-Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisboa, 1749-016, Lisboa, Portugal
- Instituto de Biologia Experimental e Tecnológica (iBET), 2780-157, Oeiras, Portugal
| | - Carla António
- Plant Metabolomics Laboratory, GreenIT-Bioresources for Sustainability, Instituto de Tecnologia Química e Biológica António Xavie, Universidade Nova de Lisboa (ITQB NOVA) Avenida da República, Oeiras, 2780-157, Portugal
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Zhang Q, Liu M, Mumm R, Vos RCH, Ruan J. Metabolomics reveals the within-plant spatial effects of shading on tea plants. TREE PHYSIOLOGY 2021; 41:317-330. [PMID: 33104217 DOI: 10.1093/treephys/tpaa127] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 09/30/2020] [Indexed: 06/11/2023]
Abstract
It is well known that green tea made from fully developed leaves located at the base of young shoots is of lower quality than that made from the still developing leaves located on the top of the shoot. It has additionally been shown that plant shading can significantly improve green tea quality. Here, we aimed to get more insight into the effects of shading on the overall metabolome in different parts of the tea shoots. To do this, field-grown tea plants were shaded by coverage with either a straw layer or a black net, both blocking the daylight intensity for more than 90%. Both the first (i.e. still developing) leaf and the fourth (i.e. fully developed) leaf, as well as the stem of young shoots were harvested and subjected to complementary untargeted metabolomics approaches, using accurate mass LC-Orbitrap-Fourier transform mass spectrometry (FTMS) for profiling both semi-polar and lipid-soluble compounds and GC-TOF-MS for profiling polar compounds. In total, 1419 metabolites were detected. Shading resulted in a decreased ratio of polyphenols to amino acids (which improves the quality of green tea) and lower levels of galloylated catechins in the shoots. The positive effect of shading on the amino acid/catechin ratio was more pronounced in the fully developed (fourth) than in the developing (first) leaves. Furthermore, many metabolites, especially organic acids, carbohydrates and amino acids, showed differential or opposite responses to the shading treatments between the three shoot tissues investigated, suggesting a within-plant spatial regulation or transport/redistribution of carbon and nitrogen resources between the tissues of the growing young shoots. This work provides new insight into the spatial effects of shading on tea plants, which could further help to increase tea quality by improving cultivation measures for plant shading.
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Affiliation(s)
- Qunfeng Zhang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory for Plant Biology and Resource Application of Tea, the Ministry of Agriculture, Hangzhou 310058, China
| | - Meiya Liu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory for Plant Biology and Resource Application of Tea, the Ministry of Agriculture, Hangzhou 310058, China
| | - Roland Mumm
- Wageningen Plant Research, Bioscience, Droevendaalsesteeg 1, 6708, PB, Wageningen, The Netherlands
| | - Ric C H Vos
- Wageningen Plant Research, Bioscience, Droevendaalsesteeg 1, 6708, PB, Wageningen, The Netherlands
| | - Jianyun Ruan
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory for Plant Biology and Resource Application of Tea, the Ministry of Agriculture, Hangzhou 310058, China
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13
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Storage temperature and time and its influence on feed quality of fungal treated wheat straw. Anim Feed Sci Technol 2021. [DOI: 10.1016/j.anifeedsci.2020.114749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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14
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Oberschelp GPJ, Guarnaschelli AB, Teson N, Harrand L, Podestá FE, Margarit E. Cold acclimation and freezing tolerance in three Eucalyptus species: A metabolomic and proteomic approach. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 154:316-327. [PMID: 32593088 DOI: 10.1016/j.plaphy.2020.05.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/21/2020] [Accepted: 05/21/2020] [Indexed: 05/20/2023]
Abstract
The ability of plants to cope with frost events relies on the physiological and molecular responses triggered by cold temperatures. This process, named acclimation, involves reprogramming gene expression in order to adjust metabolism. Planted Eucalyptus species are highly productive but most of them are frost sensitive. However, acclimation process varies among species and environmental conditions, promoting more or less frost damage in young plantations of frost-prone areas. To identify metabolites and proteins responsible for these differences, two acclimation regimes were imposed to seedling of Eucalyptus grandis Hill ex Maiden (Eg), Eucalyptus dunnii Maiden (Ed) and Eucalyptus benthamii Maiden Cambage (Eb), and leaves submitted to biochemical and molecular analyses. Further, seedlings were used for simulated frosts in order to test the acclimation status effect on frost tolerance. Eb showed higher frost tolerance than Ed and Eg under control and acclimation scenarios, possibly due to its higher accumulation of phenolics, anthocyanins and soluble sugars as well as lower levels of photosynthetic pigments and related proteins. Also, a rise in frost tolerance and in osmoprotectants and antioxidants was observed for all the species due to cold acclimation treatment. Interestingly, metabolic profiles differed among species, suggesting different mechanisms to endure frosts and, probably, different requirements for cold acclimation. Shotgun proteomics reinforced differences and commonalities and supported metabolome observations. An in depth understanding of these responses could help to safeguard planted forests productivity through breeding of tolerant genetic material.
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Affiliation(s)
| | - Ana Beatriz Guarnaschelli
- Facultad de Agronomía de la Universidad de Buenos Aires (FAUBA), Av. San Martín 4453, CABA, Argentina
| | - Natalia Teson
- EEA Concordia del INTA, Ruta 22 y vías del ferrocarril, Colonia Yeruá, Entre Ríos, Argentina
| | - Leonel Harrand
- EEA Concordia del INTA, Ruta 22 y vías del ferrocarril, Colonia Yeruá, Entre Ríos, Argentina
| | - Florencio Esteban Podestá
- Centro de Estudios Fotosintéticos y Bioquímicos (CEFOBI), Suipacha 531, Rosario, Santa Fe. Argentina
| | - Ezequiel Margarit
- Centro de Estudios Fotosintéticos y Bioquímicos (CEFOBI), Suipacha 531, Rosario, Santa Fe. Argentina.
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15
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de Santana Costa MG, Feltrim D, Mazzafera P, Balbuena TS. Revisiting the stem proteome of Eucalyptus grandis and Eucalyptus globulus: Identification of temperature-induced changes. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1868:140530. [PMID: 32853770 DOI: 10.1016/j.bbapap.2020.140530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 08/13/2020] [Accepted: 08/15/2020] [Indexed: 11/25/2022]
Abstract
Eucalyptus grandis and Eucalyptus globulus are important species for the Brazilian forestry industry. E. grandis plantations are mainly found in tropical regions, yet E. globulus plants are usually cultivated under moderate to low temperature conditions. As temperature seems to be a key factor for the planting of these species, we revisited our previously generated shotgun proteomics dataset to identify the main patterns of proteome regulation induced by thermal stimulus and to pinpoint specific proteins involved in the environmental response. Large-scale analysis has pointed out the different proteomic responses of E. grandis and E. globulus under temperature stimulus, with 296 proteins considered to be differentially regulated in the stems of Eucalyptus spp. grown at different temperatures. A stringent filtering approach was used to identify the most differentially regulated proteins. Through the stringent criteria, 66 proteins were found to be enriched in the plant species. Cultivation of E. globulus plants in low-temperature conditions induced the highest number of differentially regulated proteins. Additionally, metabolic proteins were mostly down-regulated, while stress-related proteins were majorly up-regulated in both species. Finally, the subset of the most differentially regulated proteins comprised new candidates of protein markers of temperature stress.
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Affiliation(s)
| | - Daniela Feltrim
- University of Campinas (UNICAMP), Institute of Biology, Campinas, SP, Brazil
| | - Paulo Mazzafera
- University of Campinas (UNICAMP), Institute of Biology, Campinas, SP, Brazil
| | - Tiago Santana Balbuena
- São Paulo State University (UNESP), School of Agriculture and Veterinary Sciences, Jaboticabal, SP, Brazil.
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16
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Bakir S, Capanoglu E, Hall RD, de Vos RCH. Variation in secondary metabolites in a unique set of tomato accessions collected in Turkey. Food Chem 2020; 317:126406. [PMID: 32097823 DOI: 10.1016/j.foodchem.2020.126406] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 02/10/2020] [Accepted: 02/11/2020] [Indexed: 01/28/2023]
Abstract
In this study, 50 tomato landraces grown in Turkey were investigated in terms of their secondary metabolite profiles. Each accession was planted in 2016 and 2017 in 3 replicates in an open field. In this study, color, pH and brix of the fruit samples were measured and an unbiased LCMS-based metabolomics approach was applied. Based on Principal Components Analysis (PCA) and Hierarchical Cluster Analysis (HCA) of the relative abundance levels of >250 metabolites, it could be concluded that fruit size was the most influential to the biochemical composition, rather than the geographical origin of accessions. Results indicated substantial biodiversity in various metabolites generally regarded as key to fruit quality aspects, including sugars; phenolic compounds like phenylpropanoids and flavonoids; alkaloids and glycosides of flavour-related volatile compounds. The phytochemical data provides insight into which Turkish accessions might be most promising as starting materials for the tomato processing and breeding industries.
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Affiliation(s)
- Sena Bakir
- Istanbul Technical University, Faculty of Chemical and Metallurgical Engineering, Food Engineering Department, Maslak, Istanbul, Turkey; Recep Tayyip Erdogan University, Faculty of Engineering, Merkez, Rize, Turkey
| | - Esra Capanoglu
- Istanbul Technical University, Faculty of Chemical and Metallurgical Engineering, Food Engineering Department, Maslak, Istanbul, Turkey.
| | - Robert D Hall
- Bioscience, Wageningen University and Research Centre (Wageningen-UR), PO Box 16, 6700 AA Wageningen, The Netherlands; Laboratory of Plant Physiology, Wageningen University & Research, PO Box 16, 6700 AA, Wageningen, The Netherlands
| | - Ric C H de Vos
- Bioscience, Wageningen University and Research Centre (Wageningen-UR), PO Box 16, 6700 AA Wageningen, The Netherlands.
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17
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Ntagkas N, de Vos RCH, Woltering EJ, Nicole CCS, Labrie C, Marcelis LFM. Modulation of the Tomato Fruit Metabolome by LED Light. Metabolites 2020; 10:metabo10060266. [PMID: 32604798 PMCID: PMC7345426 DOI: 10.3390/metabo10060266] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/16/2020] [Accepted: 06/22/2020] [Indexed: 01/08/2023] Open
Abstract
Metabolic profiles of tomatoes change during ripening and light can modulate the activity of relevant biochemical pathways. We investigated the effects of light directly supplied to the fruits on the metabolome of the fruit pericarp during ripening. Mature green tomatoes were exposed to well-controlled conditions with light as the only varying factor; control fruits were kept in darkness. In experiment 1 the fruits were exposed to either white light or darkness for 15 days. In experiment 2, fruits were exposed to different light spectra (blue, green, red, far-red, white) added to white background light for seven days. Changes in the global metabolome of the fruit pericarp were monitored using LCMS and GCMS (554 compounds in total). Health-beneficial compounds (carotenoids, flavonoids, tocopherols and phenolic acids) accumulated faster under white light compared to darkness, while alkaloids and chlorophylls decreased faster. Light also changed the levels of taste-related metabolites including glutamate and malate. The light spectrum treatments indicated that the addition of blue light was the most effective treatment in altering the fruit metabolome. We conclude that light during ripening of tomatoes can have various effects on the metabolome and may help with shaping the levels of key compounds involved in various fruit quality characteristics.
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Affiliation(s)
- Nikolaos Ntagkas
- Horticulture and Product Physiology, Wageningen University and Research, 6700 AA Wageningen, The Netherlands; (E.J.W.); (L.F.M.M.)
- Correspondence:
| | - Ric C. H. de Vos
- Bioscience, Wageningen University and Research, 6700 AA Wageningen, The Netherlands;
| | - Ernst J. Woltering
- Horticulture and Product Physiology, Wageningen University and Research, 6700 AA Wageningen, The Netherlands; (E.J.W.); (L.F.M.M.)
- Food and Biobased Research, Wageningen University and Research, 6700 AA Wageningen, The Netherlands
| | | | - Caroline Labrie
- Greenhouse Horticulture, Wageningen University and Research, 2665 ZG Bleiswijk, The Netherlands;
| | - Leo F. M. Marcelis
- Horticulture and Product Physiology, Wageningen University and Research, 6700 AA Wageningen, The Netherlands; (E.J.W.); (L.F.M.M.)
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18
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Tang Y, Gao CC, Gao Y, Yang Y, Shi B, Yu JL, Lyu C, Sun BF, Wang HL, Xu Y, Yang YG, Chong K. OsNSUN2-Mediated 5-Methylcytosine mRNA Modification Enhances Rice Adaptation to High Temperature. Dev Cell 2020; 53:272-286.e7. [DOI: 10.1016/j.devcel.2020.03.009] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 01/20/2020] [Accepted: 03/11/2020] [Indexed: 01/08/2023]
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19
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Zhang Q, Hu J, Liu M, Shi Y, De Vos RCH, Ruan J. Stimulated biosynthesis of delphinidin-related anthocyanins in tea shoots reducing the quality of green tea in summer. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:1505-1514. [PMID: 31756273 DOI: 10.1002/jsfa.10158] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 10/24/2019] [Accepted: 11/17/2019] [Indexed: 05/18/2023]
Abstract
BACKGROUND Greater proportions of purple tea buds and leaves usually appear in the summer, which seriously affects the color and taste quality of green tea products, yet the metabolism of purple tea shoots in summer remains unclear. Here, the metabolomic profiles and gene expression of related flavonoid metabolic pathways in the purple and normal green shoots of 'Longjing 43', and the quality of green tea made with these two phenotypes, were analyzed and compared. RESULTS Differential metabolites identified using high-performance liquid chromatography-Orbitrap/mass spectrometry indicated that anthocyanin biosynthesis in purple leaves was enriched, with higher levels of anthocyanidins (delphinidin-hexose-coumaroyl showed the greatest increase), proanthocyanidins (oligomers of catechins) and kaempferol glycoside. Expression patterns of the genes ANR, ANS, FLS, LAR, C4H, PAL, CHI, CHS and DFR revealed that the metabolism of anthocyanin is positively regulated by high temperature and/or light levels in summer. Gas chromatography-mass spectrometry results showed that, in purple tea shoots, the metabolism of carbohydrates was enriched whereas that of amino acids was diminished, while their mannose, fructose, d-galactose, sorbose and d-glucose contents were more than double those found in green leaves. A sensory evaluation confirmed that a greater quantity of purple shoots had a greater negative impact on green tea quality because of a bitter taste and dark color (leaves and infusions were tested). CONCLUSIONS These results highlight the need for and possibility of improving commercial tea quality via cultivation that controls the temperature or light of tea gardens during the summer. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Qunfeng Zhang
- Key Laboratory for Plant Biology and Resource Application of Tea, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Jianhui Hu
- College of Horticulture, Qingdao Agricultural University/Qingdao Key Laboratory of Genetic Improvement and Breeding in Horticultural Plants, Qingdao, China
| | - Meiya Liu
- Key Laboratory for Plant Biology and Resource Application of Tea, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Yuanzhi Shi
- Key Laboratory for Plant Biology and Resource Application of Tea, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | | | - Jianyun Ruan
- Key Laboratory for Plant Biology and Resource Application of Tea, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
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20
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Rodrigues AM, Ribeiro-Barros AI, António C. Experimental Design and Sample Preparation in Forest Tree Metabolomics. Metabolites 2019; 9:E285. [PMID: 31766588 PMCID: PMC6950530 DOI: 10.3390/metabo9120285] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 11/15/2019] [Accepted: 11/20/2019] [Indexed: 02/07/2023] Open
Abstract
Appropriate experimental design and sample preparation are key steps in metabolomics experiments, highly influencing the biological interpretation of the results. The sample preparation workflow for plant metabolomics studies includes several steps before metabolite extraction and analysis. These include the optimization of laboratory procedures, which should be optimized for different plants and tissues. This is particularly the case for trees, whose tissues are complex matrices to work with due to the presence of several interferents, such as oleoresins, cellulose. A good experimental design, tree tissue harvest conditions, and sample preparation are crucial to ensure consistency and reproducibility of the metadata among datasets. In this review, we discuss the main challenges when setting up a forest tree metabolomics experiment for mass spectrometry (MS)-based analysis covering all technical aspects from the biological question formulation and experimental design to sample processing and metabolite extraction and data acquisition. We also highlight the importance of forest tree metadata standardization in metabolomics studies.
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Affiliation(s)
- Ana M. Rodrigues
- Plant Metabolomics Laboratory, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), 2780-157 Oeiras, Portugal; (A.M.R.); (A.I.R.-B.)
| | - Ana I. Ribeiro-Barros
- Plant Metabolomics Laboratory, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), 2780-157 Oeiras, Portugal; (A.M.R.); (A.I.R.-B.)
- Plant Stress and Biodiversity Laboratory, Linking Landscape, Environment, Agriculture and Food (LEAF), Instituto Superior de Agronomia, Universidade de Lisboa (ISA/ULisboa), 1349-017 Lisboa, Portugal
| | - Carla António
- Plant Metabolomics Laboratory, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), 2780-157 Oeiras, Portugal; (A.M.R.); (A.I.R.-B.)
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21
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Influence of Foliar Kaolin Application and Irrigation on Photosynthetic Activity of Grape Berries. AGRONOMY-BASEL 2019. [DOI: 10.3390/agronomy9110685] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Climate changes may cause severe impacts both on grapevine and berry development. Foliar application of kaolin has been suggested as a mitigation strategy to cope with stress caused by excessive heat/radiation absorbed by leaves and grape berry clusters. However, its effect on the light micro-environment inside the canopy and clusters, as well as on the acclimation status and physiological responses of the grape berries, is unclear. The main objective of this work was to evaluate the effect of foliar kaolin application on the photosynthetic activity of the exocarp and seeds, which are the main photosynthetically active berry tissues. For this purpose, berries from high light (HL) and low light (LL) microclimates in the canopy, from kaolin-treated and non-treated, irrigated and non-irrigated plants, were collected at three developmental stages. Photochemical and non-photochemical efficiencies of both tissues were obtained by a pulse amplitude modulated chlorophyll fluorescence imaging analysis. The maximum quantum efficiency (Fv/Fm) data for green HL-grown berries suggest that kaolin application can protect the berry exocarp from light stress. At the mature stage, exocarps of LL grapes from irrigated plants treated with kaolin presented higher Fv/Fm and relative electron transport rates (rETR200) than those without kaolin. However, for the seeds, a negative interaction between kaolin and irrigation were observed especially in HL grapes. These results highlight the impact of foliar kaolin application on the photosynthetic performance of grape berries growing under different light microclimates and irrigation regimes, throughout the season. This provides insights for a more case-oriented application of this mitigation strategy on grapevines.
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22
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Macel M, Visschers IGS, Peters JL, Kappers IF, de Vos RCH, van Dam NM. Metabolomics of Thrips Resistance in Pepper (Capsicum spp.) Reveals Monomer and Dimer Acyclic Diterpene Glycosides as Potential Chemical Defenses. J Chem Ecol 2019; 45:490-501. [PMID: 31175497 PMCID: PMC6570690 DOI: 10.1007/s10886-019-01074-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 05/09/2019] [Accepted: 05/13/2019] [Indexed: 12/16/2022]
Abstract
The development of pesticide resistance in insects and recent bans on pesticides call for the identification of natural sources of resistance in crops. Here, we used natural variation in pepper (Capsicum spp.) resistance combined with an untargeted metabolomics approach to detect secondary metabolites related to thrips (Frankliniella occidentalis) resistance. Using leaf disc choice assays, we tested 11 Capsicum accessions of C. annuum and C. chinense in both vegetative and flowering stages for thrips resistance. Metabolites in the leaves of these 11 accessions were analyzed using LC-MS based untargeted metabolomics. The choice assays showed significant differences among the accessions in thrips feeding damage. The level of resistance depended on plant developmental stage. Metabolomics analyses showed differences in metabolomes among the Capsicum species and plant developmental stages. Moreover, metabolomic profiles of resistant and susceptible accessions differed. Monomer and dimer acyclic diterpene glycosides (capsianosides) were pinpointed as metabolites that were related to thrips resistance. Sucrose and malonylated flavone glycosides were related to susceptibility. To our knowledge, this is the first time that dimer capsianosides of pepper have been linked to insect resistance. Our results show the potential of untargeted metabolomics as a tool for discovering metabolites that are important in plant - insect interactions.
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Affiliation(s)
- Mirka Macel
- Molecular Interaction Ecology, Institute of Water and Wetland Research (IWWR), Radboud University, P.O. Box 9010, 6500 GL, Nijmegen, The Netherlands.
| | - Isabella G S Visschers
- Molecular Interaction Ecology, Institute of Water and Wetland Research (IWWR), Radboud University, P.O. Box 9010, 6500 GL, Nijmegen, The Netherlands
| | - Janny L Peters
- Molecular Plant Physiology, Institute of Water and Wetland Research (IWWR), Radboud University, P. O. Box 9010, 6500 GL, Nijmegen, The Netherlands
| | - Iris F Kappers
- Laboratory of Plant Physiology, Wageningen University and Research, P.O. Box 658, 6700 AR, Wageningen, The Netherlands
| | - Ric C H de Vos
- Wageningen Plant Research, Bioscience, Wageningen University and Research, P.O. Box 16, 6700 AA, Wageningen, The Netherlands
| | - Nicole M van Dam
- Molecular Interaction Ecology, Institute of Water and Wetland Research (IWWR), Radboud University, P.O. Box 9010, 6500 GL, Nijmegen, The Netherlands
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103, Leipzig, Germany
- Institute of Biodiversity, Friedrich Schiller University Jena, Dornburger-Str. 159, 07743, Jena, Germany
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23
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Ntagkas N, Woltering E, Bouras S, de Vos RC, Dieleman JA, Nicole CC, Labrie C, Marcelis LF. Light-Induced Vitamin C Accumulation in Tomato Fruits is Independent of Carbohydrate Availability. PLANTS 2019; 8:plants8040086. [PMID: 30987209 PMCID: PMC6524381 DOI: 10.3390/plants8040086] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 03/22/2019] [Accepted: 04/02/2019] [Indexed: 12/31/2022]
Abstract
L-ascorbate (ASC) is essential for human health. Therefore, there is interest in increasing the ASC content of crops like tomato. High irradiance induces accumulation of ASC in green tomato fruits. The D-mannose/L-galactose biosynthetic pathway accounts for the most ASC in plants. The myo-inositol and galacturonate pathways have been proposed to exist but never identified in plants. The D-mannose/L-galactose starts from D-glucose. In a series of experiments, we tested the hypothesis that ASC levels depend on soluble carbohydrate content when tomato fruits ripen under irradiances that stimulate ASC biosynthesis. We show that ASC levels considerably increased when fruits ripened under light, but carbohydrate levels did not show a parallel increase. When carbohydrate levels in fruits were altered by flower pruning, no effects on ASC levels were observed at harvest or after ripening under irradiances that induce ASC accumulation. Artificial feeding of trusses with sucrose increased carbohydrate levels, but did not affect the light-induced ASC levels. We conclude that light-induced accumulation of ASC is independent of the carbohydrate content in tomato fruits. In tomato fruit treated with light, the increase in ASC was preceded by a concomitant increase in myo-inositol.
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Affiliation(s)
- Nikolaos Ntagkas
- Horticulture and Product Physiology, Wageningen University and Research, Droevendaalsesteeg 1, 6709 PB Wageningen, The Netherlands.
| | - Ernst Woltering
- Horticulture and Product Physiology, Wageningen University and Research, Droevendaalsesteeg 1, 6709 PB Wageningen, The Netherlands.
- Food and Biobased Research, Wageningen University and Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands.
| | - Sofoklis Bouras
- Horticulture and Product Physiology, Wageningen University and Research, Droevendaalsesteeg 1, 6709 PB Wageningen, The Netherlands.
| | - Ric Ch de Vos
- Business unit Bioscience, Wageningen University and Research, Droevendaalsesteeg 1, 6709 PB Wageningen, The Netherlands.
| | - J Anja Dieleman
- Business unit Greenhouse Horticulture, Wageningen University and Research, Violierenweg 1, 2665 MV Bleiswijk, The Netherlands.
| | - Celine Cs Nicole
- Signify Research, High Tech Campus 7, 5656 AE Eindhoven, The Netherlands.
| | - Caroline Labrie
- Business unit Greenhouse Horticulture, Wageningen University and Research, Violierenweg 1, 2665 MV Bleiswijk, The Netherlands.
| | - Leo Fm Marcelis
- Horticulture and Product Physiology, Wageningen University and Research, Droevendaalsesteeg 1, 6709 PB Wageningen, The Netherlands.
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24
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Wang S, Liang W, Yao L, Wang J, Gao W. Effect of temperature on morphology, ginsenosides biosynthesis, functional genes, and transcriptional factors expression in Panax ginseng adventitious roots. J Food Biochem 2019; 43:e12794. [PMID: 31353579 DOI: 10.1111/jfbc.12794] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 01/16/2019] [Accepted: 01/17/2019] [Indexed: 01/01/2023]
Abstract
This study researched the effect of temperature on growth and ginsenosides accumulation in adventitious root cultures of Panax ginseng. Results showed that the ginseng adventitious roots growth and differentiation ability could be affected faced with different incubation temperatures (15, 20, 25, and 30°C for 35 days). Besides, the research also demonstrated that low-temperature stimulation could promote the accumulation of ginsenosides and the content of total ginsenosides increased by 2.53 times at 10°C-7d (10°C for 7 days and then transferred to 25°C for 28 days) compared with that at 25°C. Moreover, the transcriptional levels of functional genes and PgWRKYs were analyzed by this study and the correlation analysis showed that GPS, SS, CYP716A47, CYP716A53v2, UGT74AE2, UGT94Q2, PgWRKY1, PgWRKY3, and PgWRKY8 were significantly correlated with total ginsenosides content. Furthermore, HPLC-ESI-MSn analyzed that Malonyl-Rb1 only existed in 10°C-7d group. PRACTICAL APPLICATIONS: The survey showed that after a certain time of stimulating P. ginseng adventitious roots at low temperature, the accumulation of ginsenosides could be enhanced as their expression of related genes were regulated. It provides a theoretical foundation for the mass production of ginsenosides by controlling the temperature conditions of P. ginseng adventitious roots.
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Affiliation(s)
- Shihui Wang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, China
| | - Wenxia Liang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, China
| | - Lu Yao
- Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin University, Tianjin, China.,Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
| | - Juan Wang
- Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin University, Tianjin, China.,Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
| | - Wenyuan Gao
- Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin University, Tianjin, China.,Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
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25
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Vilasboa J, Da Costa CT, Fett-Neto AG. Rooting of eucalypt cuttings as a problem-solving oriented model in plant biology. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2018; 146:85-97. [PMID: 30557533 DOI: 10.1016/j.pbiomolbio.2018.12.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 12/10/2018] [Accepted: 12/13/2018] [Indexed: 02/07/2023]
Abstract
Species of Eucalyptus are some of the most planted trees in the world, providing fiber, cellulose, energy, and wood for construction and furniture in renewable fashion, with the added advantage of fixing large amounts of atmospheric carbon. The efficiency of eucalypts in forestry relies mostly on the clonal propagation of selected genotypes both as pure species and interspecific hybrids. The formation of new roots from cambium tissues at the base of cuttings, referred to as adventitious rooting (AR), is essential for accomplishing clonal propagation successfully. AR is a highly complex, multi-level regulated developmental process, affected by a number of endogenous and environmental factors. In several cases, highly desirable genotypes from an industrial point of view carry along the undesirable trait of difficulty-to-root (recalcitrance). Understanding the bases of this phenotype is needed to identify ways to overcome recalcitrance and allow efficient clonal propagation. Herein, an overview of the state-of-the-art on the basis of AR recalcitrance in eucalypts addressed at various levels of regulation (transcript, protein, metabolite and phenotype), and OMICs techniques is presented. In addition, a focus is also provided on the gaps that need to be filled in order to advance in this strategic biological problem for global forestry industry relying on eucalypts.
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Affiliation(s)
- Johnatan Vilasboa
- Center for Biotechnology and Department of Botany, Federal University of Rio Grande do Sul (UFRGS), P.O. Box 15005, Porto Alegre, RS, 91501-970, Brazil
| | - Cibele Tesser Da Costa
- Center for Biotechnology and Department of Botany, Federal University of Rio Grande do Sul (UFRGS), P.O. Box 15005, Porto Alegre, RS, 91501-970, Brazil
| | - Arthur Germano Fett-Neto
- Center for Biotechnology and Department of Botany, Federal University of Rio Grande do Sul (UFRGS), P.O. Box 15005, Porto Alegre, RS, 91501-970, Brazil.
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