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Negri S, Commisso M, Pandolfini T, Avesani L, Guzzo F. Temperature and solar irradiation effects on secondary metabolism during ripening of field-grown everbearing strawberries. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 215:109081. [PMID: 39222548 DOI: 10.1016/j.plaphy.2024.109081] [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: 05/30/2024] [Revised: 08/23/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024]
Abstract
The garden strawberry (Fragaria x ananassa Duch.) is cultivated and consumed worldwide because of the pleasant flavor and health-promoting phytochemicals of its false fruits. Monocrop cultivars produce fully ripe strawberries in about one month post-anthesis throughout the spring, while everbearing cultivars undergo additional strawberry production in autumn. In this work, we evaluated the impact of different season-dependent environmental conditions on the ripening program of an everbearing field-gown strawberry variety from autumn 2015 to spring 2016. We combined ad hoc sampling and environmental data collection with LC-MS-based untargeted metabolomics to dissect the effects of cumulative temperature and solar irradiation on fruit quality parameters and secondary metabolism during ripening. Different dynamics in specific sub-groups of metabolites were observed in strawberries experiencing distinct amounts of cumulative temperature and solar irradiation during spring and autumn. The integration of statistical analyses on collected data revealed that solar irradiation mainly affected fruit fresh weight and organic acid levels, whereas temperature had a more selective effect on the accumulation of specific flavonols, anthocyanins, and soluble sugar. These findings are of suitable interest to design further approaches for the study of the complex interactions among environmental conditions and ripening in strawberries grown in a real-world scenario.
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Affiliation(s)
- Stefano Negri
- Department of Biotechnology, University of Verona, 15 Strada Le Grazie, 37134, Verona, Italy; National Biodiversity Future Center (NBFC), 61 Piazza Marina, 90133, Palermo, Italy.
| | - Mauro Commisso
- Department of Biotechnology, University of Verona, 15 Strada Le Grazie, 37134, Verona, Italy; National Biodiversity Future Center (NBFC), 61 Piazza Marina, 90133, Palermo, Italy.
| | - Tiziana Pandolfini
- Department of Biotechnology, University of Verona, 15 Strada Le Grazie, 37134, Verona, Italy.
| | - Linda Avesani
- Department of Biotechnology, University of Verona, 15 Strada Le Grazie, 37134, Verona, Italy; National Biodiversity Future Center (NBFC), 61 Piazza Marina, 90133, Palermo, Italy.
| | - Flavia Guzzo
- Department of Biotechnology, University of Verona, 15 Strada Le Grazie, 37134, Verona, Italy; National Biodiversity Future Center (NBFC), 61 Piazza Marina, 90133, Palermo, Italy.
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Ye Q, Wang H, Lin Z, Xie Q, Wang W, Chen Q. Identification of MYB Transcription Factor, a Regulator Related to Hydrolysable Tannin Synthesis in Canarium album L., and Functional Analysis of CaMYBR04. PLANTS (BASEL, SWITZERLAND) 2024; 13:1837. [PMID: 38999677 PMCID: PMC11244293 DOI: 10.3390/plants13131837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/14/2024]
Abstract
Hydrolysed tannins (HTs) are polyphenols, which are related to the astringency, flavour, colour, stability, medicinal value and other characteristics of many fruits and vegetables. The biosynthetic mechanism of the majority of HTs remains unknown, and many biosynthetic pathways of HTs are speculative conclusions that have not been confirmed. The fruit of Canarium album L. (Chinese olive), which is notable for its pharmacological and edible properties, is rich in HTs. The fruit has a distinctive bitter and astringent taste when initially consumed, which mellows to a sweet sensation upon chewing. HTs serve as the primary material basis for the formation of the Chinese olive fruit's astringent quality and pharmacological effects. In this study, the fruit of C. album Changying was utilised as the research material. The objective of this study was to provide a theoretical basis for the quality control of Chinese olive fruit and the application and development of its medicinal value. In addition, the study aimed to identify and screen related MYB transcription factors involved in the synthesis of HTs in the fruit and to clarify the mechanism of MYBs in the process of synthesis and regulation of HTs in Chinese olive fruit. The principal findings were as follows. A total of 83 differentially expressed Chinese olive MYB transcription factors (CaMYBs) were identified, including 54 1R-MYBs (MYB-related), 25 2R-MYBs (R2R3-MYBs), 3 3R-MYBs, and 1 4R-MYB. Through trend analysis and correlation analysis, it was found that CaMYBR04 (Isoform0032534) exhibited a significantly higher expression (FPKM) than the other CaMYBs. The full-length cDNA sequence of CaMYBR04 was cloned and transformed into strawberry. The results demonstrated that CaMYBR04 significantly enhanced the fruit's hydrolysable tannin content. Consequently, this study elucidated the function of CaMYBR04, a regulator of the Chinese olive fruit hydrolysable tannin synthesis pathway, and established a theoretical foundation for the synthesis and regulation of fruit HTs.
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Affiliation(s)
- Qinghua Ye
- Department of Horticulture and Landscape Architecture, Fujian Vocational College of Agriculture, Fuzhou 350303, China; (Q.Y.)
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Huiquan Wang
- Department of Horticulture and Landscape Architecture, Fujian Vocational College of Agriculture, Fuzhou 350303, China; (Q.Y.)
| | - Zhehui Lin
- Department of Horticulture and Landscape Architecture, Fujian Vocational College of Agriculture, Fuzhou 350303, China; (Q.Y.)
| | - Qian Xie
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Wei Wang
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Qingxi Chen
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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Renai L, Bonetti D, Bonaccorso G, Tozzi F, Nin S, Giordani E, Del Bubba M. First Data on the (Poly)phenolic Profiling of Farmacista Honorati Persimmon Fruit ( Diospyros kaki Thunb.) at Commercial Harvest and after Treatments for Astringency Removal. PLANTS (BASEL, SWITZERLAND) 2024; 13:1768. [PMID: 38999608 PMCID: PMC11244366 DOI: 10.3390/plants13131768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 06/15/2024] [Accepted: 06/25/2024] [Indexed: 07/14/2024]
Abstract
This study aims to provide the first report on the soluble and polyphenolic profiles of "Farmacista Honorati" (FH) persimmons, which is a marketed cultivar with no existing data on its nutraceutical value. Total soluble tannins (TSTs) and major soluble (poly)phenols in FH fruits before and after post-harvest commercial treatments with carbon dioxide and ethylene were analyzed. Fruits at commercial harvest had a TST content of 1022 ± 286 mg GAL/100 g d.w. Whereas, after deastringency treatments, an 85% and 83% reduction were observed for carbon dioxide- and ethylene-treated fruits, respectively. Carbon dioxide treatment resulted in the insolubilization of tannins around comparable values in most fruit cultivars, despite the variable soluble tannin content in untreated fruit. By targeted metabolomic profiling, nineteen (poly)phenolic substances were quantified in the investigated untreated and treated fruits. Gallic acid (99 mg/100 g d.w.), (+)-catechin (1.8 mg/100 g d.w.), ellagic acid (1.2 mg/100 g d.w.), and (-)-epicatechin (1.1 mg/100 g d.w.) were the predominant compounds in the untreated FH samples. After the application of post-harvest treatments, a non-nutraceutical relevant decrease of 8-19% in the targeted (poly)phenolic content was generally observed. Ethylene induced the most significant reduction in the individual (poly)phenolic compounds in the FH fruits.
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Affiliation(s)
- Lapo Renai
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Daniele Bonetti
- Council for Agricultural Research and Economics, Research Centre for Vegetable and Ornamental Crops, 51017 Pescia, Italy
| | - Giulia Bonaccorso
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Francesca Tozzi
- Council for Agricultural Research and Economics, Research Centre for Vegetable and Ornamental Crops, 51017 Pescia, Italy
| | - Stefania Nin
- Council for Agricultural Research and Economics, Research Centre for Vegetable and Ornamental Crops, 51017 Pescia, Italy
| | - Edgardo Giordani
- Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, 50019 Sesto Fiorentino, Italy
| | - Massimo Del Bubba
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
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Yang Q, Li J, Wang Y, Wang Z, Pei Z, Street NR, Bhalerao RP, Yu Z, Gao Y, Ni J, Jiao Y, Sun M, Yang X, Chen Y, Liu P, Wang J, Liu Y, Li G. Genomic basis of the distinct biosynthesis of β-glucogallin, a biochemical marker for hydrolyzable tannin production, in three oak species. THE NEW PHYTOLOGIST 2024; 242:2702-2718. [PMID: 38515244 DOI: 10.1111/nph.19711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 03/11/2024] [Indexed: 03/23/2024]
Abstract
Hydrolyzable tannins (HTs), predominant polyphenols in oaks, are widely used in grape wine aging, feed additives, and human healthcare. However, the limited availability of a high-quality reference genome of oaks greatly hampered the recognition of the mechanism of HT biosynthesis. Here, high-quality reference genomes of three Asian oak species (Quercus variabilis, Quercus aliena, and Quercus dentata) that have different HT contents were generated. Multi-omics studies were carried out to identify key genes regulating HT biosynthesis. In vitro enzyme activity assay was also conducted. Dual-luciferase and yeast one-hybrid assays were used to reveal the transcriptional regulation. Our results revealed that β-glucogallin was a biochemical marker for HT production in the cupules of the three Asian oaks. UGT84A13 was confirmed as the key enzyme for β-glucogallin biosynthesis. The differential expression of UGT84A13, rather than enzyme activity, was the main reason for different β-glucogallin and HT accumulation. Notably, sequence variations in UGT84A13 promoters led to different trans-activating activities of WRKY32/59, explaining the different expression patterns of UGT84A13 among the three species. Our findings provide three high-quality new reference genomes for oak trees and give new insights into different transcriptional regulation for understanding β-glucogallin and HT biosynthesis in closely related oak species.
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Affiliation(s)
- Qinsong Yang
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Jinjin Li
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Yan Wang
- College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Zefu Wang
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Ecology and Environment, Nanjing Forestry University, Nanjing, 210037, China
| | - Ziqi Pei
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Nathaniel R Street
- Umeå Plant Science Centre, Department of Plant Physiology, Umeå University, Umeå, 90754, Sweden
- SciLifeLab, Umeå University, Umeå, 90754, Sweden
| | - Rishikesh P Bhalerao
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 90187, Umeå, Sweden
| | - Zhaowei Yu
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Yuhao Gao
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Junbei Ni
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Yang Jiao
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Minghui Sun
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Xiong Yang
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Yixin Chen
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Puyuan Liu
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Jiaxi Wang
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Yong Liu
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
| | - Guolei Li
- State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China
- Research Center of Deciduous Oaks, Beijing Forestry University, Beijing, 100083, China
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Yang F, Zhang L, Zhang X, Guan J, Wang B, Wu X, Song M, Wei A, Liu Z, Huo D. Genome-wide investigation of UDP-Glycosyltransferase family in Tartary buckwheat (Fagopyrum tataricum). BMC PLANT BIOLOGY 2024; 24:249. [PMID: 38580941 PMCID: PMC10998406 DOI: 10.1186/s12870-024-04926-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 03/18/2024] [Indexed: 04/07/2024]
Abstract
BACKGROUND Tartary buckwheat (Fagopyrum tataricum) belongs to Polygonaceae family and has attracted increasing attention owing to its high nutritional value. UDP-glycosyltransferases (UGTs) glycosylate a variety of plant secondary metabolites to control many metabolic processes during plant growth and development. However, there have been no systematic reports of UGT superfamily in F. tataricum. RESULTS We identified 173 FtUGTs in F. tataricum based on their conserved UDPGT domain. Phylogenetic analysis of FtUGTs with 73 Arabidopsis UGTs clustered them into 21 families. FtUGTs from the same family usually had similar gene structure and motif compositions. Most of FtUGTs did not contain introns or had only one intron. Tandem repeats contributed more to FtUGTs amplification than segmental duplications. Expression analysis indicates that FtUGTs are widely expressed in various tissues and likely play important roles in plant growth and development. The gene expression analysis response to different abiotic stresses showed that some FtUGTs were involved in response to drought and cadmium stress. Our study provides useful information on the UGTs in F. tataricum, and will facilitate their further study to better understand their function. CONCLUSIONS Our results provide a theoretical basis for further exploration of the functional characteristics of FtUGTs and for understanding the growth, development, and metabolic model in F. tataricum.
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Affiliation(s)
- Fan Yang
- College of Biological Sciences and Technology, Taiyuan Normal University, Taiyuan, 030619, China
| | - Lei Zhang
- College of Biological Sciences and Technology, Taiyuan Normal University, Taiyuan, 030619, China
| | - Xiao Zhang
- College of Biological Sciences and Technology, Taiyuan Normal University, Taiyuan, 030619, China
| | - Jingru Guan
- College of Biological Sciences and Technology, Taiyuan Normal University, Taiyuan, 030619, China
| | - Bo Wang
- MARA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiaoying Wu
- College of Biological Sciences and Technology, Taiyuan Normal University, Taiyuan, 030619, China
| | - Minli Song
- College of Biological Sciences and Technology, Taiyuan Normal University, Taiyuan, 030619, China
| | - Aili Wei
- College of Biological Sciences and Technology, Taiyuan Normal University, Taiyuan, 030619, China
| | - Zhang Liu
- Center for Agricultural Genetic Resources Research, Shanxi Agricultural University, Taiyuan, 030031, China
| | - Dongao Huo
- College of Biological Sciences and Technology, Taiyuan Normal University, Taiyuan, 030619, China.
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Kashchenko NI, Olennikov DN, Chirikova NK. Chemodiversity of Arctic Plant Dryas oxyodonta: LC-MS Profile and Antioxidant Activity. PLANTS (BASEL, SWITZERLAND) 2024; 13:868. [PMID: 38592901 PMCID: PMC10975042 DOI: 10.3390/plants13060868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/13/2024] [Accepted: 03/15/2024] [Indexed: 04/11/2024]
Abstract
Dryas oxyodonta Yuz. is a perennial evergreen shrub from the Rosaceae family. D. oxyodonta thrives in subalpine and subarctic regions, as well as in highlands spanning from Central Asia to Siberia and Mongolia. Owing to a lack of information on its chemical composition, we conducted qualitative and quantitative chromatographic analyses on extracts from the leaves and flowers of D. oxyodonta sourced from various Siberian habitats. Employing high-performance liquid chromatography with photodiode-array detection and electrospray ionization triple-quadrupole mass spectrometric detection, we identified 40 compounds, encompassing gallotannins, hydroxycinnamates, procyanidins, catechins, flavonoids, and triterpenes. All Siberian populations of D. oxyodonta exhibited a notable abundance of phenolic compounds. Furthermore, we identified rare glycosides, such as sexangularetin and corniculatusin, as potential markers of the chemodiversity within the Dryas genus. Extracts from the flowers and leaves were effective scavengers of free radicals, including DPPH•, ABTS•+-, O2•-, and •OH radicals. Our findings unequivocally establish D. oxyodonta as a rich source of phenolic compounds with potent antioxidant activity, suggesting its potential utility in developing novel functional products.
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Affiliation(s)
- Nina I. Kashchenko
- Laboratory of Biomedical Research, Institute of General and Experimental Biology, Siberian Division, Russian Academy of Science, 6 Sakh’yanovoy Street, 670047 Ulan-Ude, Russia;
| | - Daniil N. Olennikov
- Laboratory of Biomedical Research, Institute of General and Experimental Biology, Siberian Division, Russian Academy of Science, 6 Sakh’yanovoy Street, 670047 Ulan-Ude, Russia;
| | - Nadezhda K. Chirikova
- Department of Biochemistry and Biotechnology, North-Eastern Federal University, 58 Belinsky Street, 677027 Yakutsk, Russia;
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Liu Z, Liang T, Kang C. Molecular bases of strawberry fruit quality traits: Advances, challenges, and opportunities. PLANT PHYSIOLOGY 2023; 193:900-914. [PMID: 37399254 DOI: 10.1093/plphys/kiad376] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 04/25/2023] [Accepted: 06/01/2023] [Indexed: 07/05/2023]
Abstract
The strawberry is one of the world's most popular fruits, providing humans with vitamins, fibers, and antioxidants. Cultivated strawberry (Fragaria × ananassa) is an allo-octoploid and highly heterozygous, making it a challenge for breeding, quantitative trait locus (QTL) mapping, and gene discovery. Some wild strawberry relatives, such as Fragaria vesca, have diploid genomes and are becoming laboratory models for the cultivated strawberry. Recent advances in genome sequencing and CRISPR-mediated genome editing have greatly improved the understanding of various aspects of strawberry growth and development in both cultivated and wild strawberries. This review focuses on fruit quality traits that are most relevant to the consumers, including fruit aroma, sweetness, color, firmness, and shape. Recently available phased-haplotype genomes, single nucleotide polymorphism (SNP) arrays, extensive fruit transcriptomes, and other big data have made it possible to locate key genomic regions or pinpoint specific genes that underlie volatile synthesis, anthocyanin accumulation for fruit color, and sweetness intensity or perception. These new advances will greatly facilitate marker-assisted breeding, the introgression of missing genes into modern varieties, and precise genome editing of selected genes and pathways. Strawberries are poised to benefit from these recent advances, providing consumers with fruit that is tastier, longer-lasting, healthier, and more beautiful.
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Affiliation(s)
- Zhongchi Liu
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD, 20742, USA
| | - Tong Liang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Hongshan Laboratory, Wuhan, 430070, China
| | - Chunying Kang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Hongshan Laboratory, Wuhan, 430070, China
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McDougall GJ, Allwood JW, Dobson G, Austin C, Verrall S, Alexander CJ, Hancock RD, Graham J, Hackett CA. Quantitative trait loci mapping of polyphenol metabolites from a 'Latham' x 'Glen Moy' red raspberry (Rubus idaeus L) cross. Metabolomics 2023; 19:71. [PMID: 37552331 PMCID: PMC10409862 DOI: 10.1007/s11306-023-02033-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 07/13/2023] [Indexed: 08/09/2023]
Abstract
OBJECTIVE The objective of this study was to investigate the genetic control of polyphenol accumulation in red raspberry (Rubus idaeus L). METHODS The levels of total anthocyanins and 37 individual polyphenol metabolites were measured over three years in a raspberry biparental mapping population. Quantitative trait loci (QTLs) for these traits were mapped onto a high-density SNP linkage map. RESULTS At least one QTL was detected for each trait, with good consistency among the years. On four linkage groups (LG), there were major QTLs affecting several metabolites. On LG1, a QTL had large effects on anthocyanins and flavonols containing a rutinoside or rhamnose group. On LG4, a QTL had large effects on several flavonols and on LG5 and LG6 QTLs had large effects on ellagic acid derivatives. Smaller QTLs were found on LG2 and LG3. CONCLUSION The identification of robust QTLs for key polyphenols in raspberry provides great potential for marker-assisted breeding for improved levels of potentially health beneficial components.
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Affiliation(s)
- G J McDougall
- Plant Biochemistry and Food Quality Group, Environmental and Biochemical Sciences Department, The James Hutton Institute, Dundee, DD2 5DA, Scotland, UK.
| | - J W Allwood
- Plant Biochemistry and Food Quality Group, Environmental and Biochemical Sciences Department, The James Hutton Institute, Dundee, DD2 5DA, Scotland, UK
| | - G Dobson
- Plant Biochemistry and Food Quality Group, Environmental and Biochemical Sciences Department, The James Hutton Institute, Dundee, DD2 5DA, Scotland, UK
| | - C Austin
- Plant Biochemistry and Food Quality Group, Environmental and Biochemical Sciences Department, The James Hutton Institute, Dundee, DD2 5DA, Scotland, UK
| | - S Verrall
- Ecological Sciences Department, The James Hutton Institute, Dundee, DD2 5DA, Scotland, UK
| | - C J Alexander
- Biomathematics and Statistics Scotland (BioSS), The James Hutton Institute, Dundee, DD2 5DA, Scotland, UK
| | - R D Hancock
- Cell and Molecular Sciences Department, The James Hutton Institute, Dundee, DD2 5DA, Scotland, UK
| | - J Graham
- Cell and Molecular Sciences Department, The James Hutton Institute, Dundee, DD2 5DA, Scotland, UK
| | - C A Hackett
- Biomathematics and Statistics Scotland (BioSS), The James Hutton Institute, Dundee, DD2 5DA, Scotland, UK
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9
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Kashchenko NI, Olennikov DN, Chirikova NK. Metabolites of Geum aleppicum and Sibbaldianthe bifurca: Diversity and α-Glucosidase Inhibitory Potential. Metabolites 2023; 13:689. [PMID: 37367847 DOI: 10.3390/metabo13060689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/28/2023] Open
Abstract
α-Glucosidase inhibitors are essential in the treatment of diabetes mellitus. Plant-derived drugs are promising sources of new compounds with glucosidase-inhibiting ability. The Geum aleppicum Jacq. and Sibbaldianthe bifurca (L.) Kurtto & T.Erikss. herbs are used in many traditional medical systems to treat diabetes. In this study, metabolites of the G. aleppicum and S. bifurca herbs in active growth, flowering, and fruiting stages were investigated using high-performance liquid chromatography with photodiode array and electrospray ionization triple quadrupole mass spectrometric detection (HPLC-PDA-ESI-tQ-MS/MS). In total, 29 compounds in G. aleppicum and 41 components in S. bifurca were identified including carbohydrates, organic acids, benzoic and ellagic acid derivatives, ellagitannins, flavonoids, and triterpenoids. Gemin A, miquelianin, niga-ichigoside F1, and 3,4-dihydroxybenzoic acid 4-O-glucoside were the dominant compounds in the G. aleppicum herb, while guaiaverin, miquelianin, tellimagrandin II2, casuarictin, and glucose were prevailing compounds in the S. bifurca herb. On the basis of HPLC activity-based profiling of the G. aleppicum herb extract, the most pronounced inhibition of α-glucosidase was observed for gemin A and quercetin-3-O-glucuronide. The latter compound and quercetin-3-O-arabinoside demonstrated maximal inhibition of α-glucosidase in the S. bifurca herb extract. The obtained results confirm the prospects of using these plant compounds as possible sources of hypoglycemic nutraceuticals.
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Affiliation(s)
- Nina I Kashchenko
- Laboratory of Biomedical Research, Institute of General and Experimental Biology, Siberian Division, Russian Academy of Science, 6 Sakh'yanovoy Street, 670047 Ulan-Ude, Russia
| | - Daniil N Olennikov
- Laboratory of Biomedical Research, Institute of General and Experimental Biology, Siberian Division, Russian Academy of Science, 6 Sakh'yanovoy Street, 670047 Ulan-Ude, Russia
| | - Nadezhda K Chirikova
- Department of Biochemistry and Biotechnology, North-Eastern Federal University, 58 Belinsky Street, 677027 Yakutsk, Russia
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Ren J, Barton CD, Zhan J. Engineered production of bioactive polyphenolic O-glycosides. Biotechnol Adv 2023; 65:108146. [PMID: 37028465 DOI: 10.1016/j.biotechadv.2023.108146] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 03/04/2023] [Accepted: 04/02/2023] [Indexed: 04/09/2023]
Abstract
Polyphenolic compounds (such as quercetin and resveratrol) possess potential medicinal values due to their various bioactivities, but poor water solubility hinders their health benefits to humankind. Glycosylation is a well-known post-modification method to biosynthesize natural product glycosides with improved hydrophilicity. Glycosylation has profound effects on decreasing toxicity, increasing bioavailability and stability, together with changing bioactivity of polyphenolic compounds. Therefore, polyphenolic glycosides can be used as food additives, therapeutics, and nutraceuticals. Engineered biosynthesis provides an environmentally friendly and cost-effective approach to generate polyphenolic glycosides through the use of various glycosyltransferases (GTs) and sugar biosynthetic enzymes. GTs transfer the sugar moieties from nucleotide-activated diphosphate sugar (NDP-sugar) donors to sugar acceptors such as polyphenolic compounds. In this review, we systematically review and summarize the representative polyphenolic O-glycosides with various bioactivities and their engineered biosynthesis in microbes with different biotechnological strategies. We also review the major routes towards NDP-sugar formation in microbes, which is significant for producing unusual or novel glycosides. Finally, we discuss the trends in NDP-sugar based glycosylation research to promote the development of prodrugs that positively impact human health and wellness.
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Affiliation(s)
- Jie Ren
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322-4105, USA
| | - Caleb Don Barton
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322-4105, USA
| | - Jixun Zhan
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322-4105, USA.
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11
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Ashik MA, Islam T, Fujii M, Alam MM, Hossain MN. Interaction pattern of aldose reductase with β-glucogallin: Active site exploration and multiple docking analyses. INFORMATICS IN MEDICINE UNLOCKED 2022. [DOI: 10.1016/j.imu.2022.100938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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12
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Pei S, Zhao H, Chen L, He X, Hua Q, Meng X, Shi R, Zhang J, Zhang H, Liu R, Li D. Preventive Effect of Ellagic Acid on Cardiac Dysfunction in Diabetic Mice through Regulating DNA Hydroxymethylation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:1902-1910. [PMID: 35129965 DOI: 10.1021/acs.jafc.1c07574] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Ellagic acid (EA) improves mitochondrial dysfunction and protects diabetic hearts. The mitochondrial tricarboxylic acid (TCA) cycle regulates DNA 5-hydroxymethylcytosine (5hmC) levels by affecting activity of 10-11 translocation enzymes (TETs). Therefore, we hypothesized that EA prevents diabetic cardiac dysfunction by modulating DNA 5hmC levels. C57BL/6J mice were fed a high-fat diet to induce diabetes and treated with EA (100 mg kg-1 day-1) for 8 weeks. Serum concentrations of glucose, insulin, and triglyceride and aspartate transaminase and creatine kinase activities were significantly lower in the EA group than the diabetes mellitus (DM) group. DNA 5hmC levels of mice hearts were significantly higher in the EA group than the DM group. The protein levels of TET, complexes I/III/V were significantly higher in the EA group than the DM group. The results shows that EA has a preventive effect on diabetic cardiac dysfunction, which may be achieved by upregulating TET activity through improving the TCA cycle, to reshape DNA 5hmC levels of mice hearts.
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Affiliation(s)
- Shengjie Pei
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
- School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Haifeng Zhao
- Qingdao Institute for Food and Drug Control, Qingdao, Shandong 266071, People's Republic of China
| | - Lei Chen
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
- School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Xin He
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
- School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Qinglian Hua
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
- School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Xiangyuan Meng
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
- School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Ruiqing Shi
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
- School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Jingyuan Zhang
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
- School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Hong Zhang
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Run Liu
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
- School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Duo Li
- Institute of Nutrition & Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
- School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
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Kashchenko NI, Olennikov DN, Chirikova NK. Metabolites of Siberian Raspberries: LC-MS Profile, Seasonal Variation, Antioxidant Activity and, Thermal Stability of Rubus matsumuranus Phenolome. PLANTS (BASEL, SWITZERLAND) 2021; 10:2317. [PMID: 34834680 PMCID: PMC8620613 DOI: 10.3390/plants10112317] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/21/2021] [Accepted: 10/27/2021] [Indexed: 12/13/2022]
Abstract
Rubus matsumuranus H. Lev. & Vaniot, a famous Siberian shrub of the Rosaceae family, is used in the folk medicine of nomads (Buryats, Yakuts, Soyots, and Mongols) as a remedy for the treatment of diseases of the respiratory and hepatobiliary systems. The lack of scientific information on R. matsumuranus leaves contributed to the investigation of the metabolomic profile and biological activity of this plant. In this study, metabolites of R. matsumuranus leaves in three stages (active growth, flowering, and fruiting) were characterised using high-performance liquid chromatography with photodiode array and electrospray ionisation triple quadrupole mass spectrometric detection (HPLC-PDA-ESI-tQ-MS). In total, 63 compounds were identified, including gallic acid derivatives, hydroxycinnamates, catechins, procyanidins, flavonols, and ellagitannins. Lambertianin C (57.11 mg/g of dry weight, DW), miquelianin (39.63 mg/g DW), and kaempferol-3-O-glucuronide (31.18 mg/g DW) were the major compounds in R. matsumuranus leaves. As a result of the HPLC-PDA-based assay to determine the antioxidant activity, it was revealed that lambertianin A, sanguiin H6, lambertianin C, and sanguiin H11 were effective scavengers of free radicals (2,2-diphenyl-1-picrylhydrazyl, DPPH•) and possessed Fe2+-chelating activity. After an investigation of the phenolic content in infusions and decoctions obtained by extraction with water at different temperatures, it was revealed that a hot infusion (80 °C) is a phenolic-rich preparation of R. matsumuranus leaves. Our research suggests that R. matsumuranus leaves are a rich source of phenolic compounds with high antioxidant properties and that this could be a prospective plant for new functional products.
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Affiliation(s)
- Nina I. Kashchenko
- Laboratory of Medical and Biological Research, Institute of General and Experimental Biology, Siberian Division, Russian Academy of Science, 670047 Ulan-Ude, Russia;
| | - Daniil N. Olennikov
- Laboratory of Medical and Biological Research, Institute of General and Experimental Biology, Siberian Division, Russian Academy of Science, 670047 Ulan-Ude, Russia;
| | - Nadezhda K. Chirikova
- Department of Biology, Institute of Natural Sciences, North-Eastern Federal University, 677027 Yakutsk, Russia;
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Structural modeling of two plant UDP-dependent sugar-sugar glycosyltransferases reveals a conserved glutamic acid residue that is a hallmark for sugar acceptor recognition. J Struct Biol 2021; 213:107777. [PMID: 34391905 DOI: 10.1016/j.jsb.2021.107777] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 06/29/2021] [Accepted: 08/04/2021] [Indexed: 12/17/2022]
Abstract
Glycosylation is one of the common modifications of plant metabolites, playing a major role in the chemical/biological diversity of a wide range of compounds. Plant metabolite glycosylation is catalyzed almost exclusively by glycosyltransferases, mainly by Uridine-diphosphate dependent Glycosyltransferases (UGTs). Several X-ray structures have been determined for primary glycosyltransferases, however, little is known regarding structure-function aspects of sugar-sugar/branch-forming O-linked UGTs (SBGTs) that catalyze the transfer of a sugar from the UDP-sugar donor to an acceptor sugar moiety of a previously glycosylated metabolite substrate. In this study we developed novel insights into the structural basis for SBGT catalytic activity by modelling the 3d-structures of two enzymes; a rhamnosyl-transferase Cs1,6RhaT - that catalyzes rhamnosylation of flavonoid-3-glucosides and flavonoid-7-glucosides and a UGT94D1 - that catalyzes glucosylation of (+)-Sesaminol 2-O-β-d-glucoside at the C6 of the primary sugar moiety. Based on these structural models and docking studies a glutamate (E290 or E268 in Cs1,6RhaT or UGT94D1, respectively) and a tryptophan (W28 or W15 in Cs1,6RhaT or UGT94D1, respectively) appear to interact with the sugar acceptor and are suggested to be important for the recognition of the sugar-moiety of the acceptor-substrate. Functional analysis of substitution mutants for the glutamate and tryptophan residues in Cs1,6RhaT further support their role in determining sugar-sugar/branch-forming GT specificity. Phylogenetic analysis of the UGT family in plants demonstrates that the glutamic-acid residue is a hallmark of SBGTs that is entirely absent from the corresponding position in primary UGTs.
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Identification and Characterization of Glucosyltransferase That Forms 1-Galloyl- β-d-Glucogallin in Canarium album L., a Functional Fruit Rich in Hydrolysable Tannins. Molecules 2021; 26:molecules26154650. [PMID: 34361803 PMCID: PMC8347697 DOI: 10.3390/molecules26154650] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 07/25/2021] [Accepted: 07/28/2021] [Indexed: 12/29/2022] Open
Abstract
Hydrolysable tannins (HTs) are useful secondary metabolites that are responsible for pharmacological activities and astringent taste, flavor, and quality in fruits. They are also the main polyphenols in Canarium album L. (Chinese olive) fruit, an interesting and functional fruit that has been cultivated for over 2000 years. The HT content of C. album fruit was 2.3-13 times higher than that of berries with a higher content of HT. 1-galloyl-β-d-glucose (βG) is the first intermediate and the key metabolite in the HT biosynthesis pathway. It is catalyzed by UDP-glucosyltransferases (UGTs), which are responsible for the glycosylation of gallic acid (GA) to form βG. Here, we first reported 140 UGTs in C. album. Phylogenetic analysis clustered them into 14 phylogenetic groups (A, B, D-M, P, and Q), which are different from the 14 typical major groups (A~N) of Arabidopsis thaliana. Expression pattern and correlation analysis showed that UGT84A77 (Isoform0117852) was highly expressed and had a positive correlation with GA and βG content. Prokaryotic expression showed that UGT84A77 could catalyze GA to form βG. These results provide a theoretical basis on UGTs in C. album, which will be helpful for further functional research and availability on HTs and polyphenols.
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Corrêa JGDS, Bianchin M, Lopes AP, Silva E, Ames FQ, Pomini AM, Carpes ST, de Carvalho Rinaldi J, Cabral Melo R, Kioshima ES, Bersani-Amado CA, Pilau EJ, de Carvalho JE, Ruiz ALTG, Visentainer JV, Santin SMDO. Chemical profile, antioxidant and anti-inflammatory properties of Miconia albicans (Sw.) Triana (Melastomataceae) fruits extract. JOURNAL OF ETHNOPHARMACOLOGY 2021; 273:113979. [PMID: 33647428 DOI: 10.1016/j.jep.2021.113979] [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: 12/14/2020] [Revised: 02/10/2021] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Miconia albicans (Sw.) Triana has been widely used in Brazilian popular medicine for the treatment of several diseases. Aerial parts are used as an infusion to treat arthrosis and arthritis, to relieve rheumatic and stomach pains, and intestinal disorders due to its anti-inflammatory, anti-mutagenic anti-nociceptive, digestive and hepatoprotective properties. AIM OF THE STUDY This study aimed to characterize the of M. albicans (Sw.) Triana fruits extract (MAFRE) chemical profile and to evaluate its antioxidant, anti-inflammatory and antitumor activities, as well as its toxicity. MATERIALS AND METHODS Maceration with methanol as liquid extractor was used to prepare MAFRE. M. albicans (Sw.) Triana fruits chemical composition was characterized by UHPLC-QTOF-MS/MS and GC-FID (fatty acid methyl esters composition from lyophilized fruits). MAFRE antioxidant potential was evaluated in vitro using a combination of assays: Folin-Ciocalteu reducing capacity, DPPH• and ABTS radical scavenging ability and ferric reducing antioxidant power (FRAP). In vitro antiproliferative activity was investigated in four human tumor cell lines (U251, 786-0, HT29 and MDA-MB-231) while the effect on the non-tumor cell viability was assessed in the VERO cell line using the on-step MTT assay. In addition, in vivo anti-inflammatory effect was assessed by Croton oil-induced ear edema in mice followed by myeloperoxidase (MPO) activity evaluation. RESULTS Thirty-five compounds were identified by UHPLC-QTOF-MS/MS. Among it flavonoids derived from quercetin (8), myricetin (1), kaempferol (2), terpenoids (6) and other compounds (18). GC-FID analysis identified and quantified nine fatty acids: palmitic, stearic, arachidic, behenic, elaidic, oleic, eicosenoic, and linoleic acids. The most abundant fatty acids were polyunsaturated fatty acids (5.33 ± 0.17 mg g-1), followed by saturated fatty acids (2.38 ± 0.07 mg g-1) and monounsaturated fatty acids (1.74 ± 0.09 mg g-1). The extract revealed high content of phenolic compounds (43.68 ± 0.50 mg GAE/g of extract), potent antioxidant, and ferrous chelating capacities. Morever, it proved to be non-toxic to the VERO cells, not affecting cells viability (95% of viable cells). No antiproliferative effect against human tumor cell lines were found. Furthermore, MAFRE significantly (p<0.05) reduced ear edema (≈35%) and MPO activity (84.5%) having a statistical effect similar to traditional steroidal and non-steroidal anti-inflammatory drugs. CONCLUSIONS Taken together, the results evidenced that M. albicans fruit extract has antioxidant properties, a higher concentration of phenolic compounds, flavonoids, fatty acids, and also topical anti-inflammatory activity with low toxicity of extract on VERO cells. Through the ethnomedicinal study, these findings supporting the popular use of M. albicans, but also highlight that not only aerial parts and leaves deserve attention, but the fruits also have anti-inflammatory proprieties and can be a source of phenolic compounds and other substances with potential health benefices.
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Affiliation(s)
| | - Mirelli Bianchin
- Department of Chemistry, State University of Maringá, Paraná, Brazil
| | - Ana Paula Lopes
- Department of Chemistry, State University of Maringá, Paraná, Brazil
| | - Evandro Silva
- Department of Chemistry, State University of Maringá, Paraná, Brazil
| | - Franciele Q Ames
- Department of Pharmacology Applied to Therapeutics, State University of Maringá, Paraná, Brazil
| | - Armando M Pomini
- Department of Chemistry, State University of Maringá, Paraná, Brazil
| | - Solange T Carpes
- Department of Chemistry, Federal Technological University of Paraná, Pato Branco, PR, Brazil
| | | | - Raquel Cabral Melo
- Postgraduate Program in Biosciences and Pathophysiology, State University of Maringá, Paraná, Brazil
| | - Erika S Kioshima
- Postgraduate Program in Biosciences and Pathophysiology, State University of Maringá, Paraná, Brazil
| | - Ciomar A Bersani-Amado
- Department of Pharmacology Applied to Therapeutics, State University of Maringá, Paraná, Brazil
| | - Eduardo J Pilau
- Department of Chemistry, State University of Maringá, Paraná, Brazil
| | | | - Ana Lúcia T G Ruiz
- Faculty of Pharmaceutical Sciences, University of Campinas, Campinas, São Paulo, Brazil
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Michailidis D, Angelis A, Nikolaou PE, Mitakou S, Skaltsounis AL. Exploitation of Vitis vinifera, Foeniculum vulgare, Cannabis sativa and Punica granatum By-Product Seeds as Dermo-Cosmetic Agents. Molecules 2021; 26:731. [PMID: 33572507 PMCID: PMC7866782 DOI: 10.3390/molecules26030731] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/26/2021] [Accepted: 01/26/2021] [Indexed: 11/17/2022] Open
Abstract
In the current study, by-product seed pastes (VSPs) from Vitis vinifera, Foeniculum vulgare, Cannabis sativa and Punica granatum, generated during the oil production process, were investigated for their potential exploitation as dermo-cosmetic agent. The extraction pipeline of all the raw materials was developed with emphasis on green methodologies and employed on laboratory scale based on industry-adopted techniques. Two different protocols were applied, Supercritical Fluid Extraction (SFE) and Ultrasound Assisted Extraction (UAE); the by-product pastes were defatted with supercritical CO2 and n-Hexane, respectively. Then, two SFE extracts (CO2 with 10% and 20% of ethanol as co-solvent) and two UAE extracts (with ethanol and ethanol/water 1:1 v/v) were obtained from each raw material. The providing yield range was between 2.6 to 76.3 mg/g raw material. The extracts were analyzed with High-Performance Liquid Chromatography coupled with Diode Array Detector (HPLC-DAD) and Liquid Chromatography coupled with High-Resolution Mass Spectrometer (LC-HRMS), and the major compounds, were identified. All the extracts were evaluated for their antioxidant and inhibition activity against collagenase, elastase and tyrosinase enzymes. Grapevine by-product extracts found rich in proanthocyanidins and presented the higher inhibition activity. A holistic green experimental methodology is proposed for the obtainment of extracts from significant medicinal plants by-products that provides us with promising results concerning dermo-cosmetic properties, especially for grape seeds extracts.
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Affiliation(s)
- Dimitris Michailidis
- Faculty of Pharmacy, Department of Pharmacognosy and Natural Products Chemistry, National and Kapodistrian University of Athens, 15772 Athens, Greece; (D.M.); (A.A.); (S.M.)
| | - Apostolis Angelis
- Faculty of Pharmacy, Department of Pharmacognosy and Natural Products Chemistry, National and Kapodistrian University of Athens, 15772 Athens, Greece; (D.M.); (A.A.); (S.M.)
| | - Panagiota Efstathia Nikolaou
- Faculty of Pharmacy, Department of Pharmacology, National and Kapodistrian University of Athens, 15771 Athens, Greece;
| | - Sofia Mitakou
- Faculty of Pharmacy, Department of Pharmacognosy and Natural Products Chemistry, National and Kapodistrian University of Athens, 15772 Athens, Greece; (D.M.); (A.A.); (S.M.)
| | - Alexios Léandros Skaltsounis
- Faculty of Pharmacy, Department of Pharmacognosy and Natural Products Chemistry, National and Kapodistrian University of Athens, 15772 Athens, Greece; (D.M.); (A.A.); (S.M.)
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Smetanska I, Tonkha O, Patyka T, Hunaefi D, Mamdouh D, Patyka M, Bukin A, Mushtruk M, Slobodyanyuk N, Omelian A. The influence of yeast extract and jasmonic acid on phenolic acids content of in vitro hairy root cultures of Orthosiphon aristatus. POTRAVINARSTVO 2021. [DOI: 10.5219/1508] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Phenolic acids represent a big group of plant secondary metabolites that can be used as food additives, nutraceuticals, and pharmaceuticals. Obtaining phenolic acids from the plant in vitro cultures provide an attractive alternative to produce high-value plant-derived products. The impact of yeast extract and jasmonic acid on the induction of defense responses and consequently the production of phenolic acids in vitro hairy root cultures of O. aristatus have been investigated. Treatment of O. aristatus cultures with jasmonic acid caused accumulation of 12.98 mg.g-1 DW of phenolic acids, elicitation with yeast extract resulted in the highest amount of phenolic acids, particularly in 17.99 mg.g-1 DW as compared to 4.03 mg.g-1 DW for the non-treated cultures. Individual phenolic acids showed a different response to elicitation. Particularly rosmarinic acid content on the control plot reached 2.89 mg.g-1 DW, while after the treatment with jasmonic acid is increased to 10.84 mg.g-1 DW and after yeast application, it was 14.31 mg.g-1 DW. Also, caffeic acid content increased until 0.75 and 2.01 mg.g-1 DW after application of jasmonic acid and yeast extract, while at the control plot its concentration was 0.58 mg.g-1 DW. Application of yeast extract influenced synthesis of phenolic acids in vitro cultures of O. aristatus stronger as jasmonic acid treatment.
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Fecka I, Nowicka A, Kucharska AZ, Sokół-Łętowska A. The effect of strawberry ripeness on the content of polyphenols, cinnamates, L-ascorbic and carboxylic acids. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2020.103669] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Davik J, Aaby K, Buti M, Alsheikh M, Šurbanovski N, Martens S, Røen D, Sargent DJ. Major-effect candidate genes identified in cultivated strawberry ( Fragaria × ananassa Duch.) for ellagic acid deoxyhexoside and pelargonidin-3- O-malonylglucoside biosynthesis, key polyphenolic compounds. HORTICULTURE RESEARCH 2020; 7:125. [PMID: 32821408 PMCID: PMC7395118 DOI: 10.1038/s41438-020-00347-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/27/2020] [Accepted: 05/31/2020] [Indexed: 05/17/2023]
Abstract
Strawberries are rich in polyphenols which impart health benefits when metabolized by the gut microbiome, including anti-inflammatory, neuroprotective, and antiproliferative effects. In addition, polyphenolic anthocyanins contribute to the attractive color of strawberry fruits. However, the genetic basis of polyphenol biosynthesis has not been extensively studied in strawberry. In this investigation, ripe fruits from three cultivated strawberry populations were characterized for polyphenol content using HPLC-DAD-MSn and genotyped using the iStraw35k array. GWAS and QTL analyses identified genetic loci controlling polyphenol biosynthesis. QTL were identified on four chromosomes for pelargonidin-3-O-malonylglucoside, pelargonidin-3-O-acetylglucoside, cinnamoyl glucose, and ellagic acid deoxyhexoside biosynthesis. Presence/absence of ellagic acid deoxyhexoside and pelargonidin-3-O-malonylglucoside was found to be under the control of major gene loci on LG1X2 and LG6b, respectively, on the F. × ananassa linkage maps. Interrogation of gene predictions in the F. vesca reference genome sequence identified a single candidate gene for ellagic acid deoxyhexoside biosynthesis, while seven malonyltransferase genes were identified as candidates for pelargonidin-3-O-malonylglucoside biosynthesis. Homologous malonyltransferase genes were identified in the F. × ananassa 'Camarosa' genome sequence but the candidate for ellagic acid deoxyhexoside biosynthesis was absent from the 'Camarosa' sequence. This study demonstrated that polyphenol biosynthesis in strawberry is, in some cases, under simple genetic control, supporting previous observations of the presence or absence of these compounds in strawberry fruits. It has also shed light on the mechanisms controlling polyphenol biosynthesis and enhanced the knowledge of these biosynthesis pathways in strawberry. The above findings will facilitate breeding for strawberries enriched in compounds with beneficial health effects.
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Affiliation(s)
- Jahn Davik
- Division of Biotechnology and Plant Health, Norwegian Institute of Bioeconomy Research, Ås, N-1433 Norway
| | - Kjersti Aaby
- NOFIMA AS, Norwegian Institute of Food Fisheries and Aquaculture Research, Ås, N-1433 Norway
| | - Matteo Buti
- Department of Agriculture, Food, Environment and Forestry, University of Florence, Florence, Italy
| | - Muath Alsheikh
- Graminor Breeding Ltd., N-2322 Ridabu, Norway
- Department of Plant Sciences, Norwegian University of Life Sciences, Ridabu, N-1432 Ås Norway
| | | | - Stefan Martens
- Department of Food Quality and Nutrition, Fondazione Edmund Mach, Centro Ricerca e Innovazione, Via E. Mach 1, 38010 San Michele all’Adige, TN Italy
| | - Dag Røen
- Graminor Breeding Ltd., N-2322 Ridabu, Norway
| | - Daniel James Sargent
- Department of Genetics, Genomics and Breeding, NIAB-EMR, East Malling, ME19 6BJ Kent, UK
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Labadie M, Vallin G, Petit A, Ring L, Hoffmann T, Gaston A, Potier A, Schwab W, Rothan C, Denoyes B. Metabolite Quantitative Trait Loci for Flavonoids Provide New Insights into the Genetic Architecture of Strawberry ( Fragaria × ananassa) Fruit Quality. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:6927-6939. [PMID: 32469530 DOI: 10.1021/acs.jafc.0c01855] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Flavonoids are products from specialized metabolism that contribute to fruit sensorial (color) and nutritional (antioxidant properties) quality. Here, using a pseudo full-sibling F1 progeny previously studied for fruit sensorial quality of cultivated strawberry (Fragaria × ananassa), we explored over two successive years the genetic architecture of flavonoid-related traits using liquid chromatography electrospray ionization tandem mass spectrometry (13 compounds including anthocyanins, flavonols, and flavan-3-ols) and colorimetric assays (anthocyanins, flavonoids, phenolics, and total antioxidant capacity (ferric reducing antioxidant power and Trolox equivalent antioxidant capacity)). Network correlation analysis highlighted the high connectivity of flavonoid compounds within each chemical class and low correlation with colorimetric traits except for anthocyanins. Mapping onto the female and male linkage maps of 152 flavonoid metabolic quantitative trait loci (mQTLs) and of 26 colorimetric QTLs indicated colocalization on few linkage groups of major flavonoid- and taste-related QTLs previously uncovered. These results pave the way for the discovery of genetic variations underlying flavonoid mQTLs and for marker-assisted selection of strawberry varieties with improved sensorial and nutritional quality.
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Affiliation(s)
- Marc Labadie
- INRAE, Univ. Bordeaux, UMR BFP, Villenave d'Ornon F-33140, France
| | - Guillaume Vallin
- INRAE, Univ. Bordeaux, UMR BFP, Villenave d'Ornon F-33140, France
| | - Aurélie Petit
- INRAE, Univ. Bordeaux, UMR BFP, Villenave d'Ornon F-33140, France
- INVENIO, MIN de Brienne, 110 quai de Paludate, Bordeaux 33800, France
| | - Ludwig Ring
- Biotechnology of Natural Products, Technical University Munich, Liesel-Beckmann-Str. 1, Freising 85354, Germany
| | - Thomas Hoffmann
- Biotechnology of Natural Products, Technical University Munich, Liesel-Beckmann-Str. 1, Freising 85354, Germany
| | - Amèlia Gaston
- INRAE, Univ. Bordeaux, UMR BFP, Villenave d'Ornon F-33140, France
| | - Aline Potier
- INRAE, Univ. Bordeaux, UMR BFP, Villenave d'Ornon F-33140, France
| | - Wilfried Schwab
- Biotechnology of Natural Products, Technical University Munich, Liesel-Beckmann-Str. 1, Freising 85354, Germany
| | | | - Béatrice Denoyes
- INRAE, Univ. Bordeaux, UMR BFP, Villenave d'Ornon F-33140, France
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22
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Vallarino JG, Merchante C, Sánchez‐Sevilla JF, de Luis Balaguer MA, Pott DM, Ariza MT, Casañal A, Posé D, Vioque A, Amaya I, Willmitzer L, Solano R, Sozzani R, Fernie AR, Botella MA, Giovannoni JJ, Valpuesta V, Osorio S. Characterizing the involvement of FaMADS9 in the regulation of strawberry fruit receptacle development. PLANT BIOTECHNOLOGY JOURNAL 2020; 18:929-943. [PMID: 31533196 PMCID: PMC7061862 DOI: 10.1111/pbi.13257] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 09/03/2019] [Accepted: 09/08/2019] [Indexed: 05/08/2023]
Abstract
FaMADS9 is the strawberry (Fragaria x ananassa) gene that exhibits the highest homology to the tomato (Solanum lycopersicum) RIN gene. Transgenic lines were obtained in which FaMADS9 was silenced. The fruits of these lines did not show differences in basic parameters, such as fruit firmness or colour, but exhibited lower Brix values in three of the four independent lines. The gene ontology MapMan category that was most enriched among the differentially expressed genes in the receptacles at the white stage corresponded to the regulation of transcription, including a high percentage of transcription factors and regulatory proteins associated with auxin action. In contrast, the most enriched categories at the red stage were transport, lipid metabolism and cell wall. Metabolomic analysis of the receptacles of the transformed fruits identified significant changes in the content of maltose, galactonic acid-1,4-lactone, proanthocyanidins and flavonols at the green/white stage, while isomaltose, anthocyanins and cuticular wax metabolism were the most affected at the red stage. Among the regulatory genes that were differentially expressed in the transgenic receptacles were several genes previously linked to flavonoid metabolism, such as MYB10, DIV, ZFN1, ZFN2, GT2, and GT5, or associated with the action of hormones, such as abscisic acid, SHP, ASR, GTE7 and SnRK2.7. The inference of a gene regulatory network, based on a dynamic Bayesian approach, among the genes differentially expressed in the transgenic receptacles at the white and red stages, identified the genes KAN1, DIV, ZFN2 and GTE7 as putative targets of FaMADS9. A MADS9-specific CArG box was identified in the promoters of these genes.
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Affiliation(s)
- José G. Vallarino
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
- Unidad Asociada IFAPA‐CSIC Biotecnología y Mejora en FresaMálagaSpain
| | - Catharina Merchante
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
| | - José F. Sánchez‐Sevilla
- Unidad Asociada IFAPA‐CSIC Biotecnología y Mejora en FresaMálagaSpain
- Genómica y BiotecnologíaCentro de MálagaInstituto Andaluz de Investigación y Formación Agraria y Pesquera (IFAPA)MálagaSpain
| | - María Angels de Luis Balaguer
- Plant and Microbial Biology DepartmentNorth Carolina State UniversityRaleighNCUSA
- Present address:
Precision Biosciences, Inc.DurhamNCUSA
| | - Delphine M. Pott
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
- Unidad Asociada IFAPA‐CSIC Biotecnología y Mejora en FresaMálagaSpain
| | - María T. Ariza
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
- Unidad Asociada IFAPA‐CSIC Biotecnología y Mejora en FresaMálagaSpain
| | - Ana Casañal
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
| | - David Posé
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
- Unidad Asociada IFAPA‐CSIC Biotecnología y Mejora en FresaMálagaSpain
| | - Amalia Vioque
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
| | - Iraida Amaya
- Unidad Asociada IFAPA‐CSIC Biotecnología y Mejora en FresaMálagaSpain
- Genómica y BiotecnologíaCentro de MálagaInstituto Andaluz de Investigación y Formación Agraria y Pesquera (IFAPA)MálagaSpain
| | - Lothar Willmitzer
- Max‐Planck‐Institut für Molekulare PflanzenphysiologiePotsdam‐GolmGermany
| | - Roberto Solano
- Departmento de Genética Molecular de PlantasCentro Nacional de BiotecnologíaConsejo Superior de Investigaciones Científicas (CNB‐CSIC)MadridSpain
| | - Rosangela Sozzani
- Plant and Microbial Biology DepartmentNorth Carolina State UniversityRaleighNCUSA
- Biomathematics ProgramNorth Carolina State UniversityRaleighNCUSA
| | - Alisdair R. Fernie
- Max‐Planck‐Institut für Molekulare PflanzenphysiologiePotsdam‐GolmGermany
| | - Miguel A. Botella
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
- Unidad Asociada IFAPA‐CSIC Biotecnología y Mejora en FresaMálagaSpain
| | - James J. Giovannoni
- Boyce Thompson Institute for Plant Research and USDA‐ARSRobert W. Holley CenterCornell University CampusIthacaNYUSA
| | - Victoriano Valpuesta
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
- Unidad Asociada IFAPA‐CSIC Biotecnología y Mejora en FresaMálagaSpain
| | - Sonia Osorio
- Departamento de Biología Molecular y Bioquímica. Campus de TeatinosInstituto de Hortofruticultura Subtropical y Mediterránea ‘La Mayora’Universidad de Málaga‐Consejo Superior de Investigaciones CientíficasMálagaSpain
- Unidad Asociada IFAPA‐CSIC Biotecnología y Mejora en FresaMálagaSpain
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23
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Qiu F, Zeng J, Wang J, Huang JP, Zhou W, Yang C, Lan X, Chen M, Huang SX, Kai G, Liao Z. Functional genomics analysis reveals two novel genes required for littorine biosynthesis. THE NEW PHYTOLOGIST 2020; 225:1906-1914. [PMID: 31705812 DOI: 10.1111/nph.16317] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 11/01/2019] [Indexed: 05/04/2023]
Abstract
Some medicinal plants of the Solanaceae produce pharmaceutical tropane alkaloids (TAs), such as hyoscyamine and scopolamine. Littorine is a key biosynthetic intermediate in the hyoscyamine and scopolamine biosynthetic pathways. However, the mechanism underlying littorine formation from the precursors phenyllactate and tropine is not completely understood. Here, we report the elucidation of littorine biosynthesis through a functional genomics approach and functional identification of two novel biosynthesis genes that encode phenyllactate UDP-glycosyltransferase (UGT1) and littorine synthase (LS). UGT1 and LS are highly and specifically expressed in Atropa belladonna secondary roots. Suppression of either UGT1 or LS disrupted the biosynthesis of littorine and its TA derivatives (hyoscyamine and scopolamine). Purified His-tagged UGT1 catalysed phenyllactate glycosylation to form phenyllactylglucose. UGT1 and LS co-expression in tobacco leaves led to littorine synthesis if tropine and phenyllactate were added. This identification of UGT1 and LS provides the missing link in littorine biosynthesis. The results pave the way for producing hyoscyamine and scopolamine for medical use by metabolic engineering or synthetic biology.
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Affiliation(s)
- Fei Qiu
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, SWU-TAAHC Medicinal Plant Joint R&D Centre, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Junlan Zeng
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, SWU-TAAHC Medicinal Plant Joint R&D Centre, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Jing Wang
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, SWU-TAAHC Medicinal Plant Joint R&D Centre, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Jian-Ping Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, CAS Centre for Excellence in Molecular Plant Sciences, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China
| | - Wei Zhou
- Laboratory of Medicinal Plant Biotechnology, College of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 311402, China
| | - Chunxian Yang
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, SWU-TAAHC Medicinal Plant Joint R&D Centre, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Xiaozhong Lan
- TAAHC-SWU Medicinal Plant Joint R&D Centre, Tibetan Collaborative Innovation Centre of Agricultural and Animal Husbandry Resources, Xizang Agricultural and Animal Husbandry College, Nyingchi of Tibet, 860000, China
| | - Min Chen
- College of Pharmaceutical Sciences, Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Ministry of Education), Southwest University, Chongqing, 400715, China
| | - Sheng-Xiong Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, CAS Centre for Excellence in Molecular Plant Sciences, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China
| | - Guoyin Kai
- Laboratory of Medicinal Plant Biotechnology, College of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 311402, China
| | - Zhihua Liao
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, SWU-TAAHC Medicinal Plant Joint R&D Centre, School of Life Sciences, Southwest University, Chongqing, 400715, China
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24
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Joshi R, Trinkl J, Haugeneder A, Härtl K, Franz-Oberdorf K, Giri A, Hoffmann T, Schwab W. Semirational design and engineering of grapevine glucosyltransferases for enhanced activity and modified product selectivity. Glycobiology 2019; 29:765-775. [PMID: 31361022 PMCID: PMC6835047 DOI: 10.1093/glycob/cwz056] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 07/19/2019] [Accepted: 07/20/2019] [Indexed: 12/28/2022] Open
Abstract
Uridine diphosphate-dependent glycosyltransferases (UGTs) catalyze the transfer of a diversity of sugars to several acceptor molecules and often exhibit distinct substrate specificity. Modulation of glycosyltransferases for increased catalytic activity and altered substrate or product specificity are the key manipulations for the biotechnological use of glycosyltransferases in various biosynthetic processes. Here, we have engineered the binding pocket of three previously characterized Vitis vinifera glycosyltransferases, UGT88F12, UGT72B27 and UGT92G6, by structure-guided in silico mutagenesis to facilitate the interactions of active site residues with flavonol glucosides and thus modify substrate specificity and activity. Site-directed mutagenesis at selected sites, followed with liquid chromatography-mass spectrometry based activity assays, exhibited that mutant UGTs were altered in product selectivity and activity as compared to the wild-type enzymes. Mutant UGTs produced larger amounts of flavonol di-monosaccharide glucosides, which imply that the mutations led to structural changes that increased the volume of the binding pocket to accommodate a larger substrate and to release larger products at ease. Mutants showed increased activity and modified product specificity. Thus, structure-based systematic mutations of the amino acid residues in the binding pocket can be explored for the generation of engineered UGTs for diverse biotechnological applications.
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Affiliation(s)
- Rakesh Joshi
- Institute of Bioinformatics and Biotechnology (IBB), Savitribai Phule Pune University (Formerly University of Pune), Ganeshkhind Road, Pune 411007, Maharashtra, India.,Biotechnology of Natural Products, Technische Universität München, 85354 Freising, Liesel-Beckmann-Str. 1, Germany.,Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India
| | - Johanna Trinkl
- Biotechnology of Natural Products, Technische Universität München, 85354 Freising, Liesel-Beckmann-Str. 1, Germany
| | - Annika Haugeneder
- Biotechnology of Natural Products, Technische Universität München, 85354 Freising, Liesel-Beckmann-Str. 1, Germany
| | - Katja Härtl
- Biotechnology of Natural Products, Technische Universität München, 85354 Freising, Liesel-Beckmann-Str. 1, Germany
| | - Katrin Franz-Oberdorf
- Biotechnology of Natural Products, Technische Universität München, 85354 Freising, Liesel-Beckmann-Str. 1, Germany
| | - Ashok Giri
- Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India
| | - Thomas Hoffmann
- Biotechnology of Natural Products, Technische Universität München, 85354 Freising, Liesel-Beckmann-Str. 1, Germany
| | - Wilfried Schwab
- Biotechnology of Natural Products, Technische Universität München, 85354 Freising, Liesel-Beckmann-Str. 1, Germany
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25
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Novel biotechnological glucosylation of high-impact aroma chemicals, 3(2H)- and 2(5H)-furanones. Sci Rep 2019; 9:10943. [PMID: 31358872 PMCID: PMC6662797 DOI: 10.1038/s41598-019-47514-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 07/18/2019] [Indexed: 11/23/2022] Open
Abstract
Glucosyltransferases are versatile biocatalysts to chemically modify small molecules and thus enhance their water solubility and structural stability. Although the genomes of all organisms harbor a multitude of glucosyltransferase genes, their functional characterization is hampered by the lack of high-throughput in-vivo systems to rapidly test the versatility of the encoded proteins. We have developed and applied a high-throughput whole cell biotransformation system to screen a plant glucosyltransferase library. As proof of principle, we identified 25, 24, 15, and 18 biocatalysts transferring D-glucose to sotolone, maple furanone, furaneol and homofuraneol, four highly appreciated flavor compounds, respectively. Although these 3(2H)- and 2(5H)-furanones have extremely low odor thresholds their glucosides were odorless. Upscaling of the biotechnological process yielded titers of 5.3 and 7.2 g/L for the new to nature β-D-glucopyranosides of sotolone and maple furanone, respectively. Consequently, plant glucosyltransferase show stunning catalytic activities, which enable the economical production of novel and unexplored chemicals with exciting new functionalities by whole-cell biotransformation.
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26
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Ancillotti C, Caprini C, Scordo C, Renai L, Giordani E, Orlandini S, Furlanetto S, Del Bubba M. Phenolic compounds in Rojo Brillante and Kaki Tipo persimmons at commercial harvest and in response to CO2 and ethylene treatments for astringency removal. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.10.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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27
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Tahara K, Nishiguchi M, Frolov A, Mittasch J, Milkowski C. Identification of UDP glucosyltransferases from the aluminum-resistant tree Eucalyptus camaldulensis forming β-glucogallin, the precursor of hydrolyzable tannins. PHYTOCHEMISTRY 2018; 152:154-161. [PMID: 29775866 DOI: 10.1016/j.phytochem.2018.05.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 04/23/2018] [Accepted: 05/06/2018] [Indexed: 05/16/2023]
Abstract
In the highly aluminum-resistant tree Eucalyptus camaldulensis, hydrolyzable tannins are proposed to play a role in internal detoxification of aluminum, which is a major factor inhibiting plant growth on acid soils. To understand and modulate the molecular mechanisms of aluminum detoxification by hydrolyzable tannins, the biosynthetic genes need to be identified. In this study, we identified and characterized genes encoding UDP-glucose:gallate glucosyltransferase, which catalyzes the formation of 1-O-galloyl-β-d-glucose (β-glucogallin), the precursor of hydrolyzable tannins. By homology-based cloning, seven full-length candidate cDNAs were isolated from E. camaldulensis and expressed in Escherichia coli as recombinant N-terminal His-tagged proteins. Phylogenetic analysis classified four of these as UDP glycosyltransferase (UGT) 84A subfamily proteins (UGT84A25a, -b, UGT84A26a, -b) and the other three as UGT84J subfamily proteins (UGT84J3, -4, -5). In vitro enzyme assays showed that the UGT84A proteins catalyzed esterification of UDP-glucose and gallic acid to form 1-O-galloyl-β-d-glucose, whereas the UGT84J proteins were inactive. Further analyses with UGT84A25a and -26a indicated that they also formed 1-O-glucose esters of other structurally related hydroxybenzoic and hydroxycinnamic acids with a preference for hydroxybenzoic acids. The UGT84A genes were expressed in leaves, stems, and roots of E. camaldulensis, regardless of aluminum stress. Taken together, our results suggest that the UGT84A subfamily enzymes of E. camaldulensis are responsible for constitutive production of 1-O-galloyl-β-d-glucose, which is the first step of hydrolyzable tannin biosynthesis.
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Affiliation(s)
- Ko Tahara
- Interdisciplinary Center for Crop Plant Research, Martin Luther University Halle-Wittenberg, Hoher Weg 8, D-06120 Halle, Germany; Department of Forest Molecular Genetics and Biotechnology, Forestry and Forest Products Research Institute, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan.
| | - Mitsuru Nishiguchi
- Department of Forest Molecular Genetics and Biotechnology, Forestry and Forest Products Research Institute, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan
| | - Andrej Frolov
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, D-06120 Halle, Germany
| | - Juliane Mittasch
- Interdisciplinary Center for Crop Plant Research, Martin Luther University Halle-Wittenberg, Hoher Weg 8, D-06120 Halle, Germany
| | - Carsten Milkowski
- Interdisciplinary Center for Crop Plant Research, Martin Luther University Halle-Wittenberg, Hoher Weg 8, D-06120 Halle, Germany.
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28
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Huang FC, Giri A, Daniilidis M, Sun G, Härtl K, Hoffmann T, Schwab W. Structural and Functional Analysis of UGT92G6 Suggests an Evolutionary Link Between Mono- and Disaccharide Glycoside-Forming Transferases. PLANT & CELL PHYSIOLOGY 2018; 59:857-870. [PMID: 29444327 DOI: 10.1093/pcp/pcy028] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 01/30/2018] [Indexed: 05/05/2023]
Abstract
Glycosylation mediated by UDP-dependent glycosyltransferase (UGT) is one of the most common reactions for the biosynthesis of small molecule glycosides. As glycosides have various biological roles, we characterized UGT genes from grapevine (Vitis vinifera). In silico analysis of VvUGT genes that were highly expressed in leaves identified UGT92G6 which showed sequence similarity to both monosaccharide and disaccharide glucoside-forming transferases. The recombinant UGT92G6 glucosylated phenolics, among them caffeic acid, carvacrol, eugenol and raspberry ketone, and also accepted geranyl glucoside and citronellyl glucoside. Thus, UGT92G6 formed mono- and diglucosides in vitro from distinct compounds. The enzyme specificity constant Vmax/Km ratios indicated that UGT92G6 exhibited the highest specificity towards caffeic acid, producing almost equal amounts of the 3- and 4-O-glucoside. Transient overexpression of UGT92G6 in Nicotiana benthamiana leaves confirmed the production of caffeoyl glucoside; however, the level of geranyl diglucoside was not elevated upon overexpression of UGT92G6, even after co-expression of genes encoding geraniol synthase and geraniol UGT to provide sufficient precursor. Comparative sequence and 3-D structure analysis identified a sequence motif characteristic for monoglucoside-forming UGTs in UGT92G6, suggesting an evolutionary link between mono- and disaccharide glycoside UGTs. Thus, UGT92G6 functions as a mono- and diglucosyltransferase in vitro, but acts as a caffeoyl glucoside UGT in N. benthamiana.
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Affiliation(s)
- Fong-Chin Huang
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, D-85354 Freising, Germany
| | - Ashok Giri
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, D-85354 Freising, Germany
- Plant Molecular Biology Unit, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, MS 411 008, India
| | - Melina Daniilidis
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, D-85354 Freising, Germany
| | - Guangxin Sun
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, D-85354 Freising, Germany
| | - Katja Härtl
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, D-85354 Freising, Germany
| | - Thomas Hoffmann
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, D-85354 Freising, Germany
| | - Wilfried Schwab
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, D-85354 Freising, Germany
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29
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Muthukumaran S, Tranchant C, Shi J, Ye X, Xue SJ. Ellagic acid in strawberry (Fragaria spp.): Biological, technological, stability, and human health aspects. FOOD QUALITY AND SAFETY 2017. [DOI: 10.1093/fqsafe/fyx023] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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30
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Wilson AE, Feng X, Ono NN, Holland D, Amir R, Tian L. Characterization of a UGT84 Family Glycosyltransferase Provides New Insights into Substrate Binding and Reactivity of Galloylglucose Ester-Forming UGTs. Biochemistry 2017; 56:6389-6400. [PMID: 29140084 DOI: 10.1021/acs.biochem.7b00946] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Galloylated plant specialized metabolites play important roles in plant-environment interactions and in the promotion of human and animal health. The galloylation reactions are mediated by the formation of galloylglucose esters from gallic acid and UDP-glucose, catalyzed by the plant UGT84 family glycosyltransferases. To explore and exploit the structural determinants of UGT84 activities, we performed homology modeling and substrate docking of PgUGT84A23, a galloylglucose ester-forming family 84 UGT, as well as sequence comparisons of PgUGT84A23 with other functionally characterized plant UGTs. By employing site-directed mutagenesis of candidate amino acids, enzyme assays with analogous substrates, and kinetic analysis, we elucidated key amino acid sites for PgUGT84A23 substrate binding and reactivity. The galloylglucose ester-forming UGT84s have not been shown to glycosylate genistein (an isoflavonoid) in vivo. Unexpectedly, amino acids highly conserved among UGT84s that affect specifically the binding of genistein but not gallic acid or other tested sugar acceptors were identified. This result suggests that genistein may resemble the substrate profile for the enzyme ancestor of the galloylglucose ester-forming UGTs and recruited during transition from a general to a more specialized defense function. Overall, a better understanding of the structure-function relationship of UGT84s will facilitate enzyme engineering for the production of pharmaceutically and industrially valuable glycosylated compounds.
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Affiliation(s)
- Alexander E Wilson
- Department of Plant Sciences, University of California , Davis, California 95616, United States
| | - Xiaoxue Feng
- Department of Plant Sciences, University of California , Davis, California 95616, United States
| | - Nadia N Ono
- Department of Plant Sciences, University of California , Davis, California 95616, United States
| | - Doron Holland
- Institute of Plant Sciences, Newe Ya'ar Research Center, Agricultural Research Organization , Ramat Yishay 30095, Israel
| | - Rachel Amir
- Migal Galilee Technology Center , P.O. Box 831, Kiryat Shmona 11016, Israel
| | - Li Tian
- Department of Plant Sciences, University of California , Davis, California 95616, United States.,Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden , Shanghai 201602, China.,Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences , Shanghai 201602, China
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31
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Härtl K, Huang FC, Giri AP, Franz-Oberdorf K, Frotscher J, Shao Y, Hoffmann T, Schwab W. Glucosylation of Smoke-Derived Volatiles in Grapevine (Vitis vinifera) is Catalyzed by a Promiscuous Resveratrol/Guaiacol Glucosyltransferase. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:5681-5689. [PMID: 28656763 DOI: 10.1021/acs.jafc.7b01886] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Vinification of grapes (Vitis vinifera) exposed to forest fire smoke can yield unpalatable wine due to the presence of taint compounds from smoke and the release of smoke derived volatiles from their respective glycosides during the fermentation process or in-mouth during consumption. To identify glycosyltransferases (GTs) involved in the formation of glycosidically bound smoke-derived volatiles we performed gene expression analysis of candidate GTs in different grapevine tissues. Second, substrates derived from bushfire smoke or naturally occurring in grapes were screened with the candidate recombinant GTs. A resveratrol GT (UGT72B27) gene, highly expressed in grapevine leaves and berries was identified to be responsible for the production of the phenolic glucosides. UGT72B27 converted the stilbene trans-resveratrol mainly to the 3-O-glucoside. Kinetic analyses yielded specificity constants (kcat/KM) of 114, 17, 9, 8, and 2 mM-1 s-1 for guaiacol, trans-resveratrol, syringol, methylsyringol, and methylguaiacol, respectively. This knowledge will help to design strategies for managing the risk of producing smoke-affected wines.
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Affiliation(s)
- Katja Härtl
- Biotechnology of Natural Products, Technische Universität München , Liesel-Beckmann-Strasse 1, 85354 Freising, Germany
| | - Fong-Chin Huang
- Biotechnology of Natural Products, Technische Universität München , Liesel-Beckmann-Strasse 1, 85354 Freising, Germany
| | - Ashok P Giri
- Biotechnology of Natural Products, Technische Universität München , Liesel-Beckmann-Strasse 1, 85354 Freising, Germany
- Plant Molecular Biology Unit, Division of Biochemical Sciences, CSIR-National Chemical Laboratory , Pune 411 008 Maharashtra, India
| | - Katrin Franz-Oberdorf
- Biotechnology of Natural Products, Technische Universität München , Liesel-Beckmann-Strasse 1, 85354 Freising, Germany
| | - Johanna Frotscher
- Geisenheim University , Department of Grapevine Breeding, Von-Lade-Strasse 1, 65366 Geisenheim, Germany
| | - Yang Shao
- Biotechnology of Natural Products, Technische Universität München , Liesel-Beckmann-Strasse 1, 85354 Freising, Germany
| | - Thomas Hoffmann
- Biotechnology of Natural Products, Technische Universität München , Liesel-Beckmann-Strasse 1, 85354 Freising, Germany
| | - Wilfried Schwab
- Biotechnology of Natural Products, Technische Universität München , Liesel-Beckmann-Strasse 1, 85354 Freising, Germany
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Early metabolic and transcriptional variations in fruit of natural white-fruited Fragaria vesca genotypes. Sci Rep 2017; 7:45113. [PMID: 28327625 PMCID: PMC5361166 DOI: 10.1038/srep45113] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 02/17/2017] [Indexed: 01/22/2023] Open
Abstract
Strawberry fruits (Fragaria vesca) are valued for their sweet fruity flavor, juicy texture, and characteristic red color caused by anthocyanin pigments. To gain a deeper insight into the regulation of anthocyanin biosynthesis, we performed comparative metabolite profiling and transcriptome analyses of one red-fruited and two natural white-fruited strawberry varieties in two tissues and three ripening stages. Developing fruit of the three genotypes showed a distinctive pattern of polyphenol accumulation already in green receptacle and achenes. Global analysis of the transcriptomes revealed that the ripening process in the white-fruited varieties is already affected at an early developmental stage. Key polyphenol genes showed considerably lower transcript levels in the receptacle and achenes of both white genotypes, compared to the red genotype. The expression of the anthocyanidin glucosyltransferase gene and a glutathione S-transferase, putatively involved in the vacuolar transport of the anthocyanins, seemed to be critical for anthocyanin formation. A bHLH transcription factor is among the differentially expressed genes as well. Furthermore, genes associated with flavor formation and fruit softening appear to be coordinately regulated and seem to interact with the polyphenol biosynthesis pathway. This study provides new information about polyphenol biosynthesis regulators in strawberry, and reveals genes unknown to affect anthocyanin formation.
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Verma S, Zurn JD, Salinas N, Mathey MM, Denoyes B, Hancock JF, Finn CE, Bassil NV, Whitaker VM. Clarifying sub-genomic positions of QTLs for flowering habit and fruit quality in U.S. strawberry ( Fragaria× ananassa) breeding populations using pedigree-based QTL analysis. HORTICULTURE RESEARCH 2017; 4:17062. [PMID: 29138689 PMCID: PMC5676184 DOI: 10.1038/hortres.2017.62] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 10/02/2017] [Accepted: 10/05/2017] [Indexed: 05/08/2023]
Abstract
The cultivated strawberry (Fragaria×ananassa) is consumed worldwide for its flavor and nutritional benefits. Genetic analysis of commercially important traits in strawberry are important for the development of breeding methods and tools for this species. Although several quantitative trait loci (QTL) have been previously detected for fruit quality and flowering traits using low-density genetic maps, clarity on the sub-genomic locations of these QTLs was missing. Recent discoveries in allo-octoploid strawberry genomics led to the development of the IStraw90 single-nucleotide polymorphism (SNP) array, enabling high-density genetic maps and finer resolution QTL analysis. In this study, breeder-specified traits were evaluated in the Eastern (Michigan) and Western (Oregon) United States for a common set of breeding populations during 2 years. Several QTLs were validated for soluble solids content (SSC), fruit weight (FWT), pH and titratable acidity (TA) using a pedigree-based QTL analysis approach. For fruit quality, a QTL for SSC on linkage group (LG) 6A, a QTL for FWT on LG 2BII, a QTL for pH on LG 4CII and two QTLs for TA on LGs 2A and 5B were detected. In addition, a large-effect QTL for flowering was detected at the distal end of LG 4A, coinciding with the FaPFRU locus. Marker haplotype analysis in the FaPFRU region indicated that the homozygous recessive genotype was highly predictive of seasonal flowering. SNP probes in the FaPFRU region may help facilitate marker-assisted selection for this trait.
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Affiliation(s)
- Sujeet Verma
- IFAS/Department of Horticulture, University of Florida, Gulf Coast Research and Education Center, 14625 CR 672, Wimauma, FL 33598, USA
| | - Jason D Zurn
- USDA-ARS National Clonal Germplasm Repository, 33447 Peoria Road, Corvallis, OR 97333, USA
| | - Natalia Salinas
- IFAS/Department of Horticulture, University of Florida, Gulf Coast Research and Education Center, 14625 CR 672, Wimauma, FL 33598, USA
| | - Megan M Mathey
- Department of Horticulture, Oregon State University, 4017 Agriculture and Life Sciences Building, Corvallis, OR 97331, USA
| | - Beatrice Denoyes
- Department of Horticulture, UMR 1332 Biologie du Fruit et Pathologie, INRA, Univ. Bordeaux, Villenave d’Ornon F-33140, France
| | | | - Chad E Finn
- USDA-ARS, HCRU, 3420 NW Orchard Avenue, Corvallis, OR 97330, USA
| | - Nahla V Bassil
- USDA-ARS National Clonal Germplasm Repository, 33447 Peoria Road, Corvallis, OR 97333, USA
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| | - Vance M Whitaker
- IFAS/Department of Horticulture, University of Florida, Gulf Coast Research and Education Center, 14625 CR 672, Wimauma, FL 33598, USA
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