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Çelik Ş. Bibliometric analysis of horticultural crop secondary metabolism. Heliyon 2024; 10:e26079. [PMID: 38390077 PMCID: PMC10881373 DOI: 10.1016/j.heliyon.2024.e26079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 02/03/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024] Open
Abstract
The goal of the study was to examine the trends in recent years by analyzing 750 studies, 3619 authors, and 166 sources with the statement "Horticultural Crop Secondary Metabolism" in the article title published within the scope of SCI-Expanded and "Scopus" journals in between the years 2010 and 2023. In this case, the Web of Science Core Collection database was scanned under the heading "Horticultural Crop Secondary Metabolism", and bibliometric information was gathered. In order to advance research on horticulture crops, current problems and recommend solutions within "Horticultural Crop Secondary Metabolism" were identified in this study. The number of publications, publication kinds, reference analyses, total citations per year, most common words, most often cited local authors, most pertinent affiliations, and most pertinent sources were all examined in relation to the research. According to the findings, Horticulture Research, Frontiers in Plant Science, Plant Physiology and Biochemistry: PPB, Scientific Reports, and BMC Genomics are the journals that publish the most papers on "Horticultural Crop Secondary Metabolism". The phrases "gene expression regulation plant", "transcriptome", and "plant proteins" are used most frequently. Because of this, the increase of bibliometrics study can be very beneficial by serving as a catalyst for horticulture crop research.
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Affiliation(s)
- Şenol Çelik
- Biometry Genetics Unit, Department of Animal Science, Agricultural Faculty, Bingöl University, Bingöl, Turkey
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Biermann RT, Bach LT, Kläring HP, Baldermann S, Börnke F, Schwarz D. Discovering Tolerance—A Computational Approach to Assess Abiotic Stress Tolerance in Tomato Under Greenhouse Conditions. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.878013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Modern plant cultivars often possess superior growth characteristics, but within a limited range of environmental conditions. Due to climate change, crops will be exposed to distressing abiotic conditions more often in the future, out of which heat stress is used as example for this study. To support identification of tolerant germplasm and advance screening techniques by a novel multivariate evaluation method, a diversity panel of 14 tomato genotypes, comprising Mediterranean landraces of Solanum lycopersicum, the cultivar “Moneymaker” and Solanum pennellii LA0716, which served as internal references, was assessed toward their tolerance against long-term heat stress. After 5 weeks of growth, young tomato plants were exposed to either control (22/18°C) or heat stress (35/25°C) conditions for 2 weeks. Within this period, water consumption, leaf angles and leaf color were determined. Additionally, gas exchange and leaf temperature were investigated. Finally, biomass traits were recorded. The resulting multivariate dataset on phenotypic plasticity was evaluated to test the hypothesis, that more tolerant genotypes have less affected phenotypes upon stress adaptation. For this, a cluster-analysis-based approach was developed that involved a principal component analysis (PCA), dimension reduction and determination of Euclidean distances. These distances served as measure for the phenotypic plasticity upon heat stress. Statistical evaluation allowed the identification and classification of homogeneous groups consisting each of four putative more or less heat stress tolerant genotypes. The resulting classification of the internal references as “tolerant” highlights the applicability of our proposed tolerance assessment model. PCA factor analysis on principal components 1–3 which covered 76.7% of variance within the phenotypic data, suggested that some laborious measure such as the gas exchange might be replaced with the determination of leaf temperature in larger heat stress screenings. Hence, the overall advantage of the presented method is rooted in its suitability of both, planning and executing screenings for abiotic stress tolerance using multivariate phenotypic data to overcome the challenge of identifying abiotic stress tolerant plants from existing germplasms and promote sustainable agriculture for the future.
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Biorefinery of Tomato Leaves by Integrated Extraction and Membrane Processes to Obtain Fractions That Enhance Induced Resistance against Pseudomonas syringae Infection. MEMBRANES 2022; 12:membranes12060585. [PMID: 35736292 PMCID: PMC9229720 DOI: 10.3390/membranes12060585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 05/27/2022] [Accepted: 05/30/2022] [Indexed: 02/04/2023]
Abstract
Tomato leaves have been shown to contain significant amounts of important metabolites involved in protection against abiotic and biotic stress and/or possessing important therapeutic properties. In this work, a systematic study was carried out to evaluate the potential of a sustainable process for the fractionation of major biomolecules from tomato leaves, by combining aqueous extraction and membrane processes. The extraction parameters (temperature, pH, and liquid/solid ratio (L/S)) were optimized to obtain high amounts of biomolecules (proteins, carbohydrates, biophenols). Subsequently, the aqueous extract was processed by membrane processes, using 30–50 kDa and 1–5 kDa membranes for the first and second stage, respectively. The permeate from the first stage, which was used to remove proteins from the aqueous extract, was further fractionated in the second stage, where the appropriate membrane material was also selected. Of all the membranes tested in the first stage, regenerated cellulose membranes (RC) showed the best performance in terms of higher rejection of proteins (85%) and lower fouling index (less than 15% compared to 80% of the other membranes tested), indicating that they are suitable for fractionation of proteins from biophenols and carbohydrates. In the second stage, the best results were obtained by using polyethersulfone (PES) membranes with an NMWCO of 5 kDa, since the greatest difference between the rejection coefficients of carbohydrates and phenolic compounds was obtained. In vivo bioactivity tests confirmed that fractions obtained with PES 5 kDa membranes were able to induce plant defense against P. syringae.
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Capsicum Leaves under Stress: Using Multi-Omics Analysis to Detect Abiotic Stress Network of Secondary Metabolism in Two Species. Antioxidants (Basel) 2022; 11:antiox11040671. [PMID: 35453356 PMCID: PMC9029244 DOI: 10.3390/antiox11040671] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 02/06/2023] Open
Abstract
The plant kingdom contains an enormous diversity of bioactive compounds which regulate plant growth and defends against biotic and abiotic stress. Some of these compounds, like flavonoids, have properties which are health supporting and relevant for industrial use. Many of these valuable compounds are synthesized in various pepper (Capsicum sp.) tissues. Further, a huge amount of biomass residual remains from pepper production after harvest, which provides an important opportunity to extract these metabolites and optimize the utilization of crops. Moreover, abiotic stresses induce the synthesis of such metabolites as a defense mechanism. Two different Capsicum species were therefore exposed to chilling temperature (24/18 ℃ vs. 18/12 ℃), to salinity (200 mM NaCl), or a combination thereof for 1, 7 and 14 days to investigate the effect of these stresses on the metabolome and transcriptome profiles of their leaves. Both profiles in both species responded to all stresses with an increase over time. All stresses resulted in repression of photosynthesis genes. Stress involving chilling temperature induced secondary metabolism whereas stresses involving salt repressed cell wall modification and solute transport. The metabolome analysis annotated putatively many health stimulating flavonoids (apigetrin, rutin, kaempferol, luteolin and quercetin) in the Capsicum biomass residuals, which were induced in response to salinity, chilling temperature or a combination thereof, and supported by related structural genes of the secondary metabolism in the network analysis.
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Sustainable Drying and Green Deep Eutectic Extraction of Carotenoids from Tomato Pomace. Foods 2022; 11:foods11030405. [PMID: 35159554 PMCID: PMC8834280 DOI: 10.3390/foods11030405] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 12/13/2022] Open
Abstract
The extraction of molecules with high added value plays an important role in the recovery of food waste. This work aimed to valorize tomato pomace, a by-product composed of skin and seeds, through extraction of carotenoids, especially lycopene and β-carotene. The tomato pomace was dried using three different methods (freeze-drying, heat drying, and non-thermal air-drying) to reduce its weight, volume, and water activity and to concentrate the carotenoid fraction. These drying approaches were compared considering the extractive potential. Three solvent mixtures were compared, a traditional one (n-hexane:acetone) and two green deep eutectic solvent mixtures (ethyl acetate:ethyl lactate and menthol:lactic acid) in combination with different drying procedures. The extract obtained using ethyl acetate:ethyl lactate with non-thermal air-drying showed the highest contents of lycopene and β-carotene (75.86 and 3950.08 µg/g of dried sample, respectively) compared with the other procedures.
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Almeida PV, Rodrigues RP, Gaspar MC, Braga MEM, Quina MJ. Integrated management of residues from tomato production: Recovery of value-added compounds and biogas production in the biorefinery context. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 299:113505. [PMID: 34454202 DOI: 10.1016/j.jenvman.2021.113505] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 07/30/2021] [Accepted: 08/06/2021] [Indexed: 06/13/2023]
Abstract
The biorefinery approach must be boosted in the management of agro-residues in the future. The present study aims to investigate the valorization of tomato production residues, namely rotten tomato (unfit for consumption - RT), green tomato (GT), and tomato branches (TB). The assessment involves the recovery of value-added compounds through the extraction process followed by biogas production through anaerobic digestion. A thorough characterization of the three residues (RT, GT, and TB) was carried out, including the identification of volatile compounds by solid-phase microextraction (SPME) and gas chromatography/mass spectrometry (GC/MS). The volatiles analysis revealed the presence of flavor enhancer compounds and molecules with insecticidal properties. A solid-liquid extraction with ethanol allowed the recovery of value-added compounds in the extracts, in particular phenolic compounds, β-carotene, and lycopene, which contributed to the antioxidant activity. RT and TB extracts were found to be richer in total phenolic compounds (~27 mg GAE/gdb dry basis) and exhibited higher antioxidant activity (IC50 = 0.911 and 0.745 mg/mL). The tomato branches extract had the highest concentration of carotenoids with 37.23 and 3.08 mg/kgdb of β-carotene and lycopene, respectively. The biochemical methane potential (BMP) was assessed in sealed reactors operating in anaerobic conditions for all the raw (RT, GT, and TB) and extracted substrates waste (RTe, GTe, and TBe). While the BMP of RT and GT was in the range of 232-285 mL CH4/g VS, a lower value of 141 mL CH4/g VS was obtained for TB. The methane production for each pair of raw and extracted substrates (RT/RTe, GT/GTe, and TB/TBe) was considered statistically similar at a 95 % confidence level. Overall, the value-added compounds recovery through ethanolic extraction did not compromise the methane production of the materials.
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Affiliation(s)
- P V Almeida
- University of Coimbra, CIEPQPF, Department of Chemical Engineering, Rua Sílvio Lima, Pólo II, Pinhal de Marrocos, 3030-790, Coimbra, Portugal
| | - R P Rodrigues
- University of Coimbra, CIEPQPF, Department of Chemical Engineering, Rua Sílvio Lima, Pólo II, Pinhal de Marrocos, 3030-790, Coimbra, Portugal
| | - M C Gaspar
- University of Coimbra, CIEPQPF, Department of Chemical Engineering, Rua Sílvio Lima, Pólo II, Pinhal de Marrocos, 3030-790, Coimbra, Portugal
| | - M E M Braga
- University of Coimbra, CIEPQPF, Department of Chemical Engineering, Rua Sílvio Lima, Pólo II, Pinhal de Marrocos, 3030-790, Coimbra, Portugal.
| | - M J Quina
- University of Coimbra, CIEPQPF, Department of Chemical Engineering, Rua Sílvio Lima, Pólo II, Pinhal de Marrocos, 3030-790, Coimbra, Portugal.
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Reimer JJ, Thiele B, Biermann RT, Junker-Frohn LV, Wiese-Klinkenberg A, Usadel B, Wormit A. Tomato leaves under stress: a comparison of stress response to mild abiotic stress between a cultivated and a wild tomato species. PLANT MOLECULAR BIOLOGY 2021; 107:177-206. [PMID: 34677706 PMCID: PMC8553704 DOI: 10.1007/s11103-021-01194-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/16/2021] [Indexed: 05/03/2023]
Abstract
Tomato is one of the most produced crop plants on earth and growing in the fields and greenhouses all over the world. Breeding with known traits of wild species can enhance stress tolerance of cultivated crops. In this study, we investigated responses of the transcriptome as well as primary and secondary metabolites in leaves of a cultivated and a wild tomato to several abiotic stresses such as nitrogen deficiency, chilling or warmer temperatures, elevated light intensities and combinations thereof. The wild species responded different to varied temperature conditions compared to the cultivated tomato. Nitrogen deficiency caused the strongest responses and induced in particular the secondary metabolism in both species but to much higher extent in the cultivated tomato. Our study supports the potential of a targeted induction of valuable secondary metabolites in green residues of horticultural production, that will otherwise only be composted after fruit harvest. In particular, the cultivated tomato showed a strong induction in the group of mono caffeoylquinic acids in response to nitrogen deficiency. In addition, the observed differences in stress responses between cultivated and wild tomato can lead to new breeding targets for better stress tolerance.
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Affiliation(s)
- Julia J Reimer
- Institute for Biology I, RWTH Aachen University, Worringer Weg 3, 52074, Aachen, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
- Forschungszentrum Jülich GmbH, PtJ, 52425, Jülich, Germany
| | - Björn Thiele
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Plant Sciences (IBG-2), 52425, Jülich, Germany
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Agrosphere (IBG-3), 52425, Jülich, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Robin T Biermann
- Institute for Biology I, RWTH Aachen University, Worringer Weg 3, 52074, Aachen, Germany
- Leibniz Institute of Vegetable and Ornamental Crops (IGZ) e.V., 14979, Großbeeren, Germany
| | - Laura V Junker-Frohn
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Plant Sciences (IBG-2), 52425, Jülich, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Anika Wiese-Klinkenberg
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Plant Sciences (IBG-2), 52425, Jülich, Germany
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Bioinformatics (IBG-4), 52425, Jülich, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Björn Usadel
- Institute for Biology I, RWTH Aachen University, Worringer Weg 3, 52074, Aachen, Germany
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Plant Sciences (IBG-2), 52425, Jülich, Germany
- Forschungszentrum Jülich GmbH, Institute of Bio- and Geosciences, Bioinformatics (IBG-4), 52425, Jülich, Germany
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
- Heinrich-Heine-University, Chair of Biological Data Science, 40225, Düsseldorf, Germany
| | - Alexandra Wormit
- Institute for Biology I, RWTH Aachen University, Worringer Weg 3, 52074, Aachen, Germany.
- Bioeconomy Science Center, c/o Forschungszentrum Jülich GmbH, 52425, Jülich, Germany.
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Rutin: A Flavonoid as an Effective Sensitizer for Anticancer Therapy; Insights into Multifaceted Mechanisms and Applicability for Combination Therapy. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:9913179. [PMID: 34484407 PMCID: PMC8416379 DOI: 10.1155/2021/9913179] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 08/02/2021] [Accepted: 08/10/2021] [Indexed: 12/17/2022]
Abstract
Rutin is a unique antioxidant flavonoid that is mainly found in fruit, vegetables, cereals, and many other plant-based human diets. This review aims to highlight the in vitro anticancer properties of rutin including combination therapeutic strategies. Literature resources were gathered through PubMed, Scopus, Web of Science, and Google Scholar databases that cover the period of 1995–2021. Rutin is demonstrated to inhibit the proliferation of breast, colon, lung, and prostate cancers and other tumors. Furthermore, rutin alone or in combination with other therapeutic agents has been shown to regulate several signalling pathways involving the Ras/Raf and PI3K/Akt, MAPK, and TGF-β2/Smad2/3Akt/PTEN, etc., which are related to the processes of carcinogenesis and induction of apoptosis. The combination of rutin with other chemotherapy drugs may benefit on prevention of tumor cells by decreasing drug resistance and chemotherapy side effects. Moreover, rutin induces apoptosis synergistically with the therapeutic agent. More in vivo and clinical data are however needed to evaluate the true potential of rutin as an anticancer agent as an adjuvant. The present review highlights the effects of rutin which can be a promising candidate in combination with other antitumor drugs or alone for cancer treatment in vitro. Also, rutin can lead to decrease in drug resistance and chemotherapeutic side effects.
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Genzel F, Dicke MD, Junker-Frohn LV, Neuwohner A, Thiele B, Putz A, Usadel B, Wormit A, Wiese-Klinkenberg A. Impact of Moderate Cold and Salt Stress on the Accumulation of Antioxidant Flavonoids in the Leaves of Two Capsicum Cultivars. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6431-6443. [PMID: 34081868 DOI: 10.1021/acs.jafc.1c00908] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The horticultural production of bell peppers generates large quantities of residual biomass. Abiotic stress stimulates the production of protective flavonoids, so the deliberate application of stress to the plants after fruit harvest could provide a strategy to valorize horticultural residuals by increasing flavonoid concentrations, facilitating their industrial extraction. Here we exposed two Capsicum cultivars, a chilli and a bell pepper, to cold and salt stress and combinations thereof to determine their valorization potential. Noninvasive image-based phenotyping and multiparametric fluorescence measurements indicated that all stress treatments inhibited plant growth and reduced the leaf chlorophyll fluorescence index, with the chilli cultivar showing greater sensitivity. The fluorescence-based FLAV index allowed the noninvasive assessment of foliar luteolin glycosides. High-performance liquid chromatography-mass spectrometry (HPLC-MS) analysis showed that moderate cold increased the levels of two foliar antioxidant luteolin glycosides in both cultivars, with bell pepper containing the highest amounts (induced to maximum 5.5 mg g-1 DW cynaroside and 37.0 mg g-1 DW graveobioside A) after combined stress treatment. These data confirm the potential of abiotic stress for the valorization of residual leaf biomass to enhance the industrial extraction of antioxidant and bioactive flavonoids.
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Affiliation(s)
- Franziska Genzel
- Institute of Bio- and Geosciences-Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Bioeconomy Science Center, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Max Daniel Dicke
- Institute of Bio- and Geosciences-Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Bioeconomy Science Center, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Laura Verena Junker-Frohn
- Institute of Bio- and Geosciences-Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Bioeconomy Science Center, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Andrea Neuwohner
- Institute of Bio- and Geosciences-Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Bioeconomy Science Center, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Björn Thiele
- Institute of Bio- and Geosciences-Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Bioeconomy Science Center, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Alexander Putz
- Institute of Bio- and Geosciences-Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Bioeconomy Science Center, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Björn Usadel
- Bioeconomy Science Center, Forschungszentrum Jülich, 52425 Jülich, Germany
- Institute of Bio- and Geosciences-Bioinformatics (IBG-4), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
| | - Alexandra Wormit
- Bioeconomy Science Center, Forschungszentrum Jülich, 52425 Jülich, Germany
- Institute for Biology I-Botany, RWTH Aachen University, 52074 Aachen, Germany
| | - Anika Wiese-Klinkenberg
- Institute of Bio- and Geosciences-Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Bioeconomy Science Center, Forschungszentrum Jülich, 52425 Jülich, Germany
- Institute of Bio- and Geosciences-Bioinformatics (IBG-4), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
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Duque-Acevedo M, Belmonte-Ureña LJ, Yakovleva N, Camacho-Ferre F. Analysis of the Circular Economic Production Models and Their Approach in Agriculture and Agricultural Waste Biomass Management. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17249549. [PMID: 33419338 PMCID: PMC7767155 DOI: 10.3390/ijerph17249549] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/16/2020] [Accepted: 12/18/2020] [Indexed: 12/19/2022]
Abstract
As of now, circular economic production models of the circular economy (CEPMs), which include circular economy, bioeconomy, and circular bioeconomy, are among the main tools characterizing development policies in different countries. During the last five years, policies and strategies regarding CEPMs have promoted and contributed to the development of research on this topic. The evolution and most relevant aspects of the three CEPMs previously mentioned have been analyzed from a sample of 2190 scientific publications obtained from the Scopus database. Bibliometric analysis has been used to evaluate the approach of these models in agriculture and to introduce the ways in which they address the management of agricultural waste biomass (AWB). Results show that the circular economy is the most studied and prioritized model in China and most European countries, with the UK leading the way. Germany leads in topics related to the bioeconomy. The management policies and strategies of the circular bioeconomy are key to promoting research focused on AWB valorization since bioenergy and/or biofuel production continue to be a priority.
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Affiliation(s)
- Mónica Duque-Acevedo
- Department of Agronomy, Research Centre CIAIMBITAL, University of Almería, 04120 Almería, Spain; (M.D.-A.); (F.C.-F.)
| | - Luis Jesús Belmonte-Ureña
- Department of Economy and Business, Research Centre CIAIMBITAL, University of Almería, 04120 Almería, Spain
- Correspondence: ; Tel.: +34-950-214788
| | - Natalia Yakovleva
- Newcastle University Business School, Newcastle University, London E1 7EZ, UK;
| | - Francisco Camacho-Ferre
- Department of Agronomy, Research Centre CIAIMBITAL, University of Almería, 04120 Almería, Spain; (M.D.-A.); (F.C.-F.)
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Esquivel P, Viñas M, Steingass CB, Gruschwitz M, Guevara E, Carle R, Schweiggert RM, Jiménez VM. Coffee (Coffea arabica L.) by-Products as a Source of Carotenoids and Phenolic Compounds—Evaluation of Varieties With Different Peel Color. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2020. [DOI: 10.3389/fsufs.2020.590597] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Röhlen-Schmittgen S, Ellenberger J, Groher T, Hunsche M. Boosting leaf contents of rutin and solanesol in bio-waste of Solanum lycopersicum. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 155:888-897. [PMID: 32905983 DOI: 10.1016/j.plaphy.2020.08.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 08/17/2020] [Accepted: 08/17/2020] [Indexed: 05/10/2023]
Abstract
In tomato production, the accruing green biomass shows promising potential as source of health-promoting compounds, such as rutin and solanesol, that are of high interest due to their medicinal properties. Naturally, they accumulate in plants growing in suboptimal growing conditions, e.g. influenced by biotic and abiotic stressors. With the aim to evaluate the potential use of tomato residues as source, we analyzed both leaf metabolites during a complete cultivation cycle, while applying single and combined stresses practically realized in greenhouse production. In the late season, contents of both metabolites were significantly enhanced by nutrient deficit in combination with 2 °C colder nights for 4 weeks and prolonged for in total 9 weeks. Particularly, higher solanesol contents were achieved by salt stress and elevated temperature after one week, even stronger when combined with drought. At harvest, stressed plants consist of less green biomass reducing the overall economic potential. However, practicable abiotic stresses should be considered as potential tool to induce the accumulation of beneficial compounds. Extracting profitable metabolites from the green biomass of the model crop tomato supports the overall goal to promote sustainable approaches in horticultural production.
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Affiliation(s)
| | - Jan Ellenberger
- INRES Horticultural Science, University of Bonn, Auf dem Huegel 6, 53121, Bonn, Germany
| | - Tanja Groher
- INRES Horticultural Science, University of Bonn, Auf dem Huegel 6, 53121, Bonn, Germany; Agroscope, Taenikon, 8356, Ettenhausen, Switzerland
| | - Mauricio Hunsche
- INRES Horticultural Science, University of Bonn, Auf dem Huegel 6, 53121, Bonn, Germany; COMPO EXPERT International GmbH, 48155, Muenster, Germany
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Korwin Krukowski P, Ellenberger J, Röhlen-Schmittgen S, Schubert A, Cardinale F. Phenotyping in Arabidopsis and Crops-Are We Addressing the Same Traits? A Case Study in Tomato. Genes (Basel) 2020; 11:E1011. [PMID: 32867311 PMCID: PMC7564427 DOI: 10.3390/genes11091011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 08/21/2020] [Accepted: 08/24/2020] [Indexed: 11/18/2022] Open
Abstract
The convenient model Arabidopsis thaliana has allowed tremendous advances in plant genetics and physiology, in spite of only being a weed. It has also unveiled the main molecular networks governing, among others, abiotic stress responses. Through the use of the latest genomic tools, Arabidopsis research is nowadays being translated to agronomically interesting crop models such as tomato, but at a lagging pace. Knowledge transfer has been hindered by invariable differences in plant architecture and behaviour, as well as the divergent direct objectives of research in Arabidopsis versus crops compromise transferability. In this sense, phenotype translation is still a very complex matter. Here, we point out the challenges of "translational phenotyping" in the case study of drought stress phenotyping in Arabidopsis and tomato. After briefly defining and describing drought stress and survival strategies, we compare drought stress protocols and phenotyping techniques most commonly used in the two species, and discuss their potential to gain insights, which are truly transferable between species. This review is intended to be a starting point for discussion about translational phenotyping approaches among plant scientists, and provides a useful compendium of methods and techniques used in modern phenotyping for this specific plant pair as a case study.
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Affiliation(s)
- Paolo Korwin Krukowski
- Plant Stress Lab, Department of Agriculture, Forestry and Food Sciences DISAFA-Turin University, 10095 Grugliasco, Italy; (A.S.); (F.C.)
| | - Jan Ellenberger
- INRES Horticultural Sciences, University of Bonn, 53121 Bonn, Germany;
| | | | - Andrea Schubert
- Plant Stress Lab, Department of Agriculture, Forestry and Food Sciences DISAFA-Turin University, 10095 Grugliasco, Italy; (A.S.); (F.C.)
| | - Francesca Cardinale
- Plant Stress Lab, Department of Agriculture, Forestry and Food Sciences DISAFA-Turin University, 10095 Grugliasco, Italy; (A.S.); (F.C.)
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Effect of UV Radiation and Salt Stress on the Accumulation of Economically Relevant Secondary Metabolites in Bell Pepper Plants. AGRONOMY-BASEL 2020. [DOI: 10.3390/agronomy10010142] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The green biomass of horticultural plants contains valuable secondary metabolites (SM), which can potentially be extracted and sold. When exposed to stress, plants accumulate higher amounts of these SMs, making the extraction and commercialization even more attractive. We evaluated the potential for accumulating the flavones cynaroside and graveobioside A in leaves of two bell pepper cultivars (Mavras and Stayer) when exposed to salt stress (100 mM NaCl), UVA/B excitation (UVA 4–5 W/m2; UVB 10–14 W/m2 for 3 h per day), or a combination of both stressors. Plant age during the trials was 32–48 days. HPLC analyses proved the enhanced accumulation of both metabolites under stress conditions. Cynaroside accumulation is effectively triggered by high-UV stress, whereas graveobioside A contents increase under salt stress. Highest contents of secondary metabolites were observed in plants exposed to combined stress. Effects of stress on overall plant performance differed significantly between treatments, with least negative impact on above ground biomass found for high-UV stressed plants. The usage of two non-destructive instruments (Dualex and Multiplex) allowed us to gain insights into the ontogenetical effects at the leaf level and temporal development of SM contents. Indices provided by those devices correlate fairly with amounts detected via HPLC (Cynaroside: r2 = 0.46–0.66; Graveobioside A: r2 = 0.51–0.71). The concentrations of both metabolites tend to decrease at leaf level during the ontogenetical development even under stress conditions. High-UV stress should be considered as a tool for enriching plant leaves with valuable SM. Effects on the performance of plants throughout a complete production cycle should be evaluated in future trials. All data is available online.
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