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Koirala M, Merindol N, Karimzadegan V, Gélinas SE, Liyanage NS, Lamichhane B, Tobón MCG, Lagüe P, Desgagné-Penix I. Kinetic and in silico structural characterization of norbelladine O-methyltransferase of Amaryllidaceae alkaloids biosynthesis. J Biol Chem 2024; 300:107649. [PMID: 39122011 PMCID: PMC11407090 DOI: 10.1016/j.jbc.2024.107649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 07/24/2024] [Accepted: 07/29/2024] [Indexed: 08/12/2024] Open
Abstract
Amaryllidaceae alkaloids are a diverse group of alkaloids exclusively reported from the Amaryllidaceae plant family. In planta, their biosynthesis is still not fully characterized; however, a labeling study established 4'-O-methylnorbelladine as the key intermediate compound of the pathway. Previous reports have characterized O-methyltransferases from several Amaryllidaceae species. Nevertheless, the formation of the different O-methylnorbelladine derivatives (3'-O-methylnorbelladine, 4'-O-methylnorbelladine, and 3'4'-O-dimethylnorbelladine), the role, and the preferred substrates of O-methyltransferases are not clearly understood. In this study, we performed the biochemical characterization of an O-methyltransferase candidate from Narcissus papyraceus (NpOMT) in vitro and in vivo, following biotransformation of norbelladine in Nicotiana benthamiana having transient expression of NpOMT. Docking analysis was further used to investigate substrate preferences, as well as key interacting residues of NpOMT. Our study shows that NpOMT methylates norbelladine preferentially at the 4'-OH position in vitro and in planta. Interestingly, NpOMT also catalyzed the synthesis of 3',4'-O-dimethylnorbelladine from norbelladine and 4'-O-methylnorbelladine during in vitro enzymatic assay. Furthermore, we show that NpOMT methylates 3,4-dihydroxybenzylaldehyde and caffeic acid in a nonregiospecific manner to produce meta/para monomethylated products. This study reveals a novel catalytic potential of an Amaryllidaceae O-methyltransferase and its ability to regioselectively methylate norbelladine in the heterologous host N. benthamiana.
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Affiliation(s)
- Manoj Koirala
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Natacha Merindol
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Vahid Karimzadegan
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Sarah-Eve Gélinas
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Nuwan Sameera Liyanage
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Basanta Lamichhane
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Maria Camila García Tobón
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Patrick Lagüe
- Department of Biochemistry, Microbiology and Bioinformatics, Laval University, Québec, Canada
| | - Isabel Desgagné-Penix
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada; Plant Biology Research Group, Trois-Rivières, Québec, Canada.
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Majhi BB, Gélinas SE, Mérindol N, Ricard S, Desgagné-Penix I. Characterization of norbelladine synthase and noroxomaritidine/norcraugsodine reductase reveals a novel catalytic route for the biosynthesis of Amaryllidaceae alkaloids including the Alzheimer's drug galanthamine. FRONTIERS IN PLANT SCIENCE 2023; 14:1231809. [PMID: 37711303 PMCID: PMC10499049 DOI: 10.3389/fpls.2023.1231809] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/14/2023] [Indexed: 09/16/2023]
Abstract
Amaryllidaceae alkaloids (AAs) are a large group of plant specialized metabolites with diverse pharmacological properties. Norbelladine is the entry compound in AAs biosynthesis and is produced from the condensation of tyramine and 3,4-dihydroxybenzaldehyde (3,4-DHBA). There are two reported enzymes capable of catalyzing this reaction in-vitro, both with low yield. The first one, norbelladine synthase (NBS), was shown to condense tyramine and 3,4-DHBA, while noroxomaritidine/norcraugsodine reductase (NR), catalyzes a reduction reaction to produce norbelladine. To clarify the mechanisms involved in this controversial step, both NBS and NR homologs were identified from the transcriptome of Narcissus papyraceus and Leucojum aestivum, cloned and expressed in Escherichia coli. Enzymatic assays performed with tyramine and 3,4-DHBA with each enzyme separately or combined, suggested that NBS and NR function together for the condensation of tyramine and 3,4-DHBA into norcraugsodine and further reduction into norbelladine. Using molecular homology modeling and docking studies, we predicted models for the binding of tyramine and 3,4-DHBA to NBS, and of the intermediate norcraugsodine to NR. Moreover, we show that NBS and NR physically interact in yeast and in-planta, that both localize to the cytoplasm and nucleus and are expressed at high levels in bulbs, confirming their colocalization and co-expression thus their ability to work together in the same catalytic route. Finally, their co-expression in yeast led to the production of norbelladine. In all, our study establishes that both NBS and NR participate in the biosynthesis of norbelladine by catalyzing the first key steps associated in the biosynthesis of the Alzheimer's drug galanthamine.
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Affiliation(s)
- Bharat Bhusan Majhi
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, QC, Canada
| | - Sarah-Eve Gélinas
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, QC, Canada
| | - Natacha Mérindol
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, QC, Canada
| | - Simon Ricard
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, QC, Canada
| | - Isabel Desgagné-Penix
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, QC, Canada
- Plant Biology Research Group, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, QC, Canada
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Koirala M, Karimzadegan V, Liyanage NS, Mérindol N, Desgagné-Penix I. Biotechnological Approaches to Optimize the Production of Amaryllidaceae Alkaloids. Biomolecules 2022; 12:893. [PMID: 35883449 PMCID: PMC9313318 DOI: 10.3390/biom12070893] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 02/01/2023] Open
Abstract
Amaryllidaceae alkaloids (AAs) are plant specialized metabolites with therapeutic properties exclusively produced by the Amaryllidaceae plant family. The two most studied representatives of the family are galanthamine, an acetylcholinesterase inhibitor used as a treatment of Alzheimer's disease, and lycorine, displaying potent in vitro and in vivo cytotoxic and antiviral properties. Unfortunately, the variable level of AAs' production in planta restricts most of the pharmaceutical applications. Several biotechnological alternatives, such as in vitro culture or synthetic biology, are being developed to enhance the production and fulfil the increasing demand for these AAs plant-derived drugs. In this review, current biotechnological approaches to produce different types of bioactive AAs are discussed.
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Affiliation(s)
- Manoj Koirala
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada; (M.K.); (V.K.); (N.S.L.); (N.M.)
| | - Vahid Karimzadegan
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada; (M.K.); (V.K.); (N.S.L.); (N.M.)
| | - Nuwan Sameera Liyanage
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada; (M.K.); (V.K.); (N.S.L.); (N.M.)
| | - Natacha Mérindol
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada; (M.K.); (V.K.); (N.S.L.); (N.M.)
| | - Isabel Desgagné-Penix
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada; (M.K.); (V.K.); (N.S.L.); (N.M.)
- Groupe de Recherche en Biologie Végétale, Université du Québec à Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada
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Spina R, Saliba S, Dupire F, Ptak A, Hehn A, Piutti S, Poinsignon S, Leclerc S, Bouguet-Bonnet S, Laurain-Mattar D. Molecular Identification of Endophytic Bacteria in Leucojum aestivum In Vitro Culture , NMR-Based Metabolomics Study and LC-MS Analysis Leading to Potential Amaryllidaceae Alkaloid Production. Int J Mol Sci 2021; 22:ijms22041773. [PMID: 33578992 PMCID: PMC7916811 DOI: 10.3390/ijms22041773] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/21/2021] [Accepted: 02/05/2021] [Indexed: 12/23/2022] Open
Abstract
In this study, endophytic bacteria belonging to the Bacillus genus were isolated from in vitro bulblets of Leucojum aestivum and their ability to produce Amaryllidaceae alkaloids was studied. Proton Nuclear Magnetic Resonance (1H NMR)-based metabolomics combined with multivariate data analysis was chosen to compare the metabolism of this plant (in vivo bulbs, in vitro bulblets) with those of the endophytic bacteria community. Primary metabolites were quantified by quantitative 1H NMR (qNMR) method. The results showed that tyrosine, one precursor of the Amaryllidaceae alkaloid biosynthesis pathway, was higher in endophytic extract compared to plant extract. In total, 22 compounds were identified including five molecules common to plant and endophyte extracts (tyrosine, isoleucine, valine, fatty acids and tyramine). In addition, endophytic extracts were analyzed using Liquid Chromatography-Mass Spectrometry (LC-MS) and Gas Chromatography-Mass Spectrometry (GC-MS) for the identification of compounds in very low concentrations. Five Amaryllidaceae alkaloids were detected in the extracts of endophytic bacteria. Lycorine, previously detected by 1H NMR, was confirmed with LC-MS analysis. Tazettine, pseudolycorine, acetylpseudolycorine, 1,2-dihydro-chlidanthine were also identified by LC-MS using the positive ionization mode or by GC-MS. In addition, 11 primary metabolites were identified in the endophytic extracts such as tyramine, which was obtained by decarboxylation of tyrosine. Thus, Bacillus sp. isolated from L. aestivum bulblets synthesized some primary and specialized metabolites in common with the L.aestivum plant. These endophytic bacteria are an interesting new approach for producing the Amaryllidaceae alkaloid such as lycorine.
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Affiliation(s)
- Rosella Spina
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (S.S.); (F.D.)
- Correspondence: (R.S.); (D.L.-M.); Tel.: +33-3-7274-5262 (R.S.); +33-3-7274-5675 (D.L.-M.)
| | - Sahar Saliba
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (S.S.); (F.D.)
| | - François Dupire
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (S.S.); (F.D.)
| | - Agata Ptak
- Department of Plant Breeding, Physiology and Seed Science, University of Agriculture in Krakow, Łobzowska 24, 31-140 Krakow, Poland;
| | - Alain Hehn
- Université de Lorraine, INRAE, LAE, F-54000 Nancy, France; (A.H.); (S.P.)
| | - Séverine Piutti
- Université de Lorraine, INRAE, LAE, F-54000 Nancy, France; (A.H.); (S.P.)
| | - Sophie Poinsignon
- Université de Lorraine, CNRS, CRM2, F-54000 Nancy, France; (S.P.); (S.B.-B.)
| | | | | | - Dominique Laurain-Mattar
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (S.S.); (F.D.)
- Correspondence: (R.S.); (D.L.-M.); Tel.: +33-3-7274-5262 (R.S.); +33-3-7274-5675 (D.L.-M.)
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Ka S, Koirala M, Mérindol N, Desgagné-Penix I. Biosynthesis and Biological Activities of Newly Discovered Amaryllidaceae Alkaloids. Molecules 2020; 25:E4901. [PMID: 33113950 PMCID: PMC7660210 DOI: 10.3390/molecules25214901] [Citation(s) in RCA: 12] [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: 08/04/2020] [Revised: 10/07/2020] [Accepted: 10/21/2020] [Indexed: 12/23/2022] Open
Abstract
Alkaloids are an important group of specialized nitrogen metabolites with a wide range of biochemical and pharmacological effects. Since the first publication on lycorine in 1877, more than 650 alkaloids have been extracted from Amaryllidaceae bulbous plants and clustered together as the Amaryllidaceae alkaloids (AAs) family. AAs are specifically remarkable for their diverse pharmaceutical properties, as exemplified by the success of galantamine used to treat the symptoms of Alzheimer's disease. This review addresses the isolation, biological, and structure activity of AAs discovered from January 2015 to August 2020, supporting their therapeutic interest.
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Affiliation(s)
- Seydou Ka
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada; (S.K.); (M.K.); (N.M.)
| | - Manoj Koirala
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada; (S.K.); (M.K.); (N.M.)
| | - Natacha Mérindol
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada; (S.K.); (M.K.); (N.M.)
| | - Isabel Desgagné-Penix
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada; (S.K.); (M.K.); (N.M.)
- Groupe de Recherche en Biologie Végétale, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada
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Developmental Regulation of the Expression of Amaryllidaceae Alkaloid Biosynthetic Genes in Narcissus papyraceus. Genes (Basel) 2019; 10:genes10080594. [PMID: 31394782 PMCID: PMC6723416 DOI: 10.3390/genes10080594] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 08/03/2019] [Accepted: 08/05/2019] [Indexed: 02/06/2023] Open
Abstract
Amaryllidaceae alkaloids (AAs) have multiple biological effects, which are of interest to the pharmaceutical industry. To unleash the potential of Amaryllidaceae plants as pharmaceutical crops and as sources of AAs, a thorough understanding of the AA biosynthetic pathway is needed. However, only few enzymes in the pathway are known. Here, we report the transcriptome of AA-producing paperwhites (Narcissus papyraceus Ker Gawl). We present a list of 21 genes putatively encoding enzymes involved in AA biosynthesis. Next, a cDNA library was created from 24 different samples of different parts at various developmental stages of N. papyraceus. The expression of AA biosynthetic genes was analyzed in each sample using RT-qPCR. In addition, the alkaloid content of each sample was analyzed by HPLC. Leaves and flowers were found to have the highest abundance of heterocyclic compounds, whereas the bulb, the lowest. Lycorine was also the predominant AA. The gene expression results were compared with the heterocyclic compound profiles for each sample. In some samples, a positive correlation was observed between the gene expression levels and the amount of compounds accumulated. However, due to a probable transport of enzymes and alkaloids in the plant, a negative correlation was also observed, particularly at stage 2.
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Singh A, Massicotte MA, Garand A, Tousignant L, Ouellette V, Bérubé G, Desgagné-Penix I. Cloning and characterization of norbelladine synthase catalyzing the first committed reaction in Amaryllidaceae alkaloid biosynthesis. BMC PLANT BIOLOGY 2018; 18:338. [PMID: 30526483 PMCID: PMC6286614 DOI: 10.1186/s12870-018-1570-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 11/23/2018] [Indexed: 05/13/2023]
Abstract
BACKGROUND Amaryllidaceae alkaloids (AAs) are a large group of plant-specialized metabolites displaying an array of biological and pharmacological properties. Previous investigations on AA biosynthesis have revealed that all AAs share a common precursor, norbelladine, presumably synthesized by an enzyme catalyzing a Mannich reaction involving the condensation of tyramine and 3,4-dihydroxybenzaldehyde. Similar reactions have been reported. Specifically, norcoclaurine synthase (NCS) which catalyzes the condensation of dopamine and 4-hydroxyphenylacetaldehyde as the first step in benzylisoquinoline alkaloid biosynthesis. RESULTS With the availability of wild daffodil (Narcissus pseudonarcissus) database, a transcriptome-mining search was performed for NCS orthologs. A candidate gene sequence was identified and named norbelladine synthase (NBS). NpNBS encodes for a small protein of 19 kDa with an anticipated pI of 5.5. Phylogenetic analysis showed that NpNBS belongs to a unique clade of PR10/Bet v1 proteins and shared 41% amino acid identity to opium poppy NCS1. Expression of NpNBS cDNA in Escherichia coli produced a recombinant enzyme able to condense tyramine and 3,4-DHBA into norbelladine as determined by high-resolution tandem mass spectrometry. CONCLUSIONS Here, we describe a novel enzyme catalyzing the first committed step of AA biosynthesis, which will facilitate the establishment of metabolic engineering and synthetic biology platforms for the production of AAs.
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Affiliation(s)
- Aparna Singh
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351 boul. des Forges, Trois-Rivières, QC G9A 5H7 Canada
| | - Marie-Ange Massicotte
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351 boul. des Forges, Trois-Rivières, QC G9A 5H7 Canada
| | - Ariane Garand
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351 boul. des Forges, Trois-Rivières, QC G9A 5H7 Canada
| | - Laurence Tousignant
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351 boul. des Forges, Trois-Rivières, QC G9A 5H7 Canada
| | - Vincent Ouellette
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351 boul. des Forges, Trois-Rivières, QC G9A 5H7 Canada
| | - Gervais Bérubé
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351 boul. des Forges, Trois-Rivières, QC G9A 5H7 Canada
| | - Isabel Desgagné-Penix
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351 boul. des Forges, Trois-Rivières, QC G9A 5H7 Canada
- Plant Biology Research Group, Université du Québec à Trois-Rivières, 3351 boul. des Forges, Trois-Rivières, QC G9A 5H7 Canada
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Saliba S, Ptak A, Laurain-Mattar D. 4′-O-Methylnorbelladine feeding enhances galanthamine and lycorine production byLeucojum aestivumL. shoot cultures. Eng Life Sci 2015. [DOI: 10.1002/elsc.201500008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Sahar Saliba
- SRSMC; UMR 7565, CNRS; Université de Lorraine; Vandœuvre-lès-Nancy France
| | - Agata Ptak
- Department of Plant Breeding and Seed Science; Agricultural University; Krakow Poland
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Park JB. Synthesis and characterization of norbelladine, a precursor of Amaryllidaceae alkaloid, as an anti-inflammatory/anti-COX compound. Bioorg Med Chem Lett 2014; 24:5381-4. [DOI: 10.1016/j.bmcl.2014.10.051] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 10/10/2014] [Accepted: 10/17/2014] [Indexed: 10/24/2022]
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Berkov S, Ivanov I, Georgiev V, Codina C, Pavlov A. Galanthamine biosynthesis in plant in vitro systems. Eng Life Sci 2014. [DOI: 10.1002/elsc.201300159] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Strahil Berkov
- Institute of Biodiversity and Ecosystem Research; Sofia Bulgaria
| | - Ivan Ivanov
- Department of Organic Chemistry; University of Food Technologies; Plovdiv Bulgaria
| | - Vasil Georgiev
- Laboratory of Applied Biotechnology; The Stefan Angeloff Institute of Microbiology; Bulgarian Academy of Sciences; Plovdiv Bulgaria
- Center for Viticulture and Small Fruit Research; Florida A&M University; Tallahassee FL USA
| | - Carles Codina
- Departament de Productes Naturals; Biologia Vegetal i Edafologia; Facultat de Farmacia; Universitat de Barcelona; Barcelona Spain
| | - Atanas Pavlov
- Laboratory of Applied Biotechnology; The Stefan Angeloff Institute of Microbiology; Bulgarian Academy of Sciences; Plovdiv Bulgaria
- Department of Analytical Chemistry; University of Food Technologies; Plovdiv Bulgaria
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Abstract
Covering: July 2010 to June 2012. Previous review: Nat. Prod. Rep., 2011, 28, 1126-1142. Recent progress on the isolation, identification, biological activity and synthetic studies of structurally diverse alkaloids from plants of the family Amaryllidaceae is summarized in this review. In addition, the structurally related alkaloids isolated from Sceletium species are discussed as well.
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Affiliation(s)
- Zhong Jin
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China.
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12
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Ptak A, Simlat M, Kwiecień M, Laurain-Mattar D. Leucojum aestivumplants propagated in in vitro bioreactor culture and on solid media containing cytokinins. Eng Life Sci 2012. [DOI: 10.1002/elsc.201200109] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Affiliation(s)
- Agata Ptak
- Department of Plant Breeding and Seed Science; Agricultural University; Krakow; Poland
| | - Magdalena Simlat
- Department of Plant Breeding and Seed Science; Agricultural University; Krakow; Poland
| | - Michał Kwiecień
- Department of Plant Breeding and Seed Science; Agricultural University; Krakow; Poland
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