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Sousa JPM, Ramos MJ, Fernandes PA. QM/MM Study of the Reaction Mechanism of L-Tyrosine Hydroxylation Catalyzed by the Enzyme CYP76AD1. J Phys Chem B 2024. [PMID: 39185757 DOI: 10.1021/acs.jpcb.4c05209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
We have studied the hydroxylation mechanism of l-Tyr by the heme-dependent enzyme CYP76AD1 from the sugar beet (Beta vulgaris). This enzyme has a promising biotechnological application in modified yeast strains to produce medicinal alkaloids, an alternative to the traditional opium poppy harvest. A generative machine learning software based on AlphaFold was used to build the structure of CYP76AD1 since there are no structural data for this specific enzyme. After model validation, l-Tyr was docked in the active site of CYP76AD1 to assemble the reactive complex, whose catalytic distances remained stable throughout the 100 ns of MD simulation. Subsequent QM/MM calculations elucidated that l-Tyr hydroxylation occurs in two steps: hydrogen abstraction from l-Tyr by CpdI, forming an l-Tyr radical, and subsequent radical rebound, corresponding to a rate-limiting step of 16.0 kcal·mol-1. Our calculations suggest that the hydrogen abstraction step should occur in the doublet state, while the radical rebound should happen in the quartet state. The clarification of the reaction mechanism of CYP76AD1 provides insights into the rational optimization of the biosynthesis of alkaloids to eliminate the use of opium poppy.
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Affiliation(s)
- João P M Sousa
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências Universidade do Porto, Rua do Campo Alegre, s/n, Porto 4169-007, Portugal
| | - Maria J Ramos
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências Universidade do Porto, Rua do Campo Alegre, s/n, Porto 4169-007, Portugal
| | - Pedro A Fernandes
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências Universidade do Porto, Rua do Campo Alegre, s/n, Porto 4169-007, Portugal
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2
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Aghaali Z, Naghavi MR. Developing benzylisoquinoline alkaloid-enriched opium poppy via CRISPR-directed genome editing: A review. BMC PLANT BIOLOGY 2024; 24:700. [PMID: 39048937 PMCID: PMC11267691 DOI: 10.1186/s12870-024-05412-x] [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: 04/20/2024] [Accepted: 07/11/2024] [Indexed: 07/27/2024]
Abstract
Among plant-derived secondary metabolites are benzylisoquinoline alkaloids (BIAs) that play a vital role in medicine. The most conspicuous BIAs frequently found in opium poppy are morphine, codeine, thebaine, papaverine, sanguinarine, and noscapine. BIAs have provided abundant clinically useful drugs used in the treatment of various diseases and ailments With an increasing demand for these herbal remedies, genetic improvement of poppy plants appears to be essential to live up to the expectations of the pharmaceutical industry. With the advent of clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated9 (Cas9), the field of metabolic engineering has undergone a paradigm shift in its approach due to its appealing attributes, such as the transgene-free editing capability, precision, selectivity, robustness, and versatility. The potentiality of the CRISPR system for manipulating metabolic pathways in opium poppy was demonstrated, but further investigations regarding the use of CRISPR in BIA pathway engineering should be undertaken to develop opium poppy into a bioreactor synthesizing BIAs at the industrial-scale levels. In this regard, the recruitment of RNA-guided genome editing for knocking out miRNAs, flower responsible genes, genes involved in competitive pathways, and base editing are described. The approaches presented here have never been suggested or applied in opium poppy so far.
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Affiliation(s)
- Zahra Aghaali
- Department of Genetics and Plant Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Reza Naghavi
- Division of Plant Biotechnology, Department of Agronomy and Plant Breeding, College of Agricultural and Natural Resources, University of Tehran, Karaj, Iran.
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3
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Bhadra F, Vasundhara M. Anti-inflammatory potential of aconitine produced by endophytic fungus Acremonium alternatum. World J Microbiol Biotechnol 2024; 40:274. [PMID: 39030384 DOI: 10.1007/s11274-024-04083-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Accepted: 07/14/2024] [Indexed: 07/21/2024]
Abstract
Argemone mexicana belonging to family Papaveraceae is a traditional medicinal plant widely utilized by tribal people in India for treating various ailments like skin infections, wounds and inflammation. This plant is very rich in alkaloidal content, which has a great potential in the treatment of anti-inflammatory disorders. Therapeutically promising bioactive molecules are often produced by endophytic fungi associated with medicinal plants. In this investigation, endophytic fungi were isolated from various parts of A. mexicana and screened for alkaloidal content. Among these, one of the fungal isolate, Acremonium alternatum AMEF-5 producing maximum alkaloids showed significant anti-inflammatory activity. Fractionation of this crude fungal extract through column chromatography yielded eight fractions, which were further screened for anti-inflammatory activities. Fraction 3 exhibited significant anti-inflammatory activity by the inhibition of lipoxygenase enzyme (IC50 15.2 ± 0.09 µg/ml), scavenging of the nitric oxide radicals (IC50 11.38 ± 0.35 µg/ml), protein denaturation (IC50 14.93 ± 0.4 µg/ml), trypsin inhibition (IC50 12.06 ± 0.64 µg/ml) and HRBC stabilization (IC50 11.9 ± 0.22 µg/ml). The bioactive alkaloid in fraction 3 was identified as aconitine which was confirmed by UV, FTIR, HPLC, HRMS, 1H NMR, and 13C NMR analysis. This study demonstrates that endophytic fungi serve a potential source for sustainable production of therapeutically important alkaloids.
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Affiliation(s)
- Fatima Bhadra
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, 147004, India
| | - M Vasundhara
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, 147004, India.
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Berman P, de Haro LA, Cavaco AR, Panda S, Dong Y, Kuzmich N, Lichtenstein G, Peleg Y, Harat H, Jozwiak A, Cai J, Heinig U, Meir S, Rogachev I, Aharoni A. The biosynthetic pathway of the hallucinogen mescaline and its heterologous reconstruction. MOLECULAR PLANT 2024; 17:1129-1150. [PMID: 38835170 DOI: 10.1016/j.molp.2024.05.012] [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: 08/18/2023] [Revised: 04/02/2024] [Accepted: 05/30/2024] [Indexed: 06/06/2024]
Abstract
Mescaline, among the earliest identified natural hallucinogens, holds great potential in psychotherapy treatment. Nonetheless, despite the existence of a postulated biosynthetic pathway for more than half a century, the specific enzymes involved in this process are yet to be identified. In this study, we investigated the cactus Lophophora williamsii (Peyote), the largest known natural producer of the phenethylamine mescaline. We employed a multi-faceted approach, combining de novo whole-genome and transcriptome sequencing with comprehensive chemical profiling, enzymatic assays, molecular modeling, and pathway engineering for pathway elucidation. We identified four groups of enzymes responsible for the six catalytic steps in the mescaline biosynthetic pathway, and an N-methyltransferase enzyme that N-methylates all phenethylamine intermediates, likely modulating mescaline levels in Peyote. Finally, we reconstructed the mescaline biosynthetic pathway in both Nicotiana benthamiana plants and yeast cells, providing novel insights into several challenges hindering complete heterologous mescaline production. Taken together, our study opens up avenues for exploration of sustainable production approaches and responsible utilization of mescaline, safeguarding this valuable natural resource for future generations.
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Affiliation(s)
- Paula Berman
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Luis Alejandro de Haro
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Ana-Rita Cavaco
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Sayantan Panda
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Younghui Dong
- Life Sciences Core Facilities, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Nikolay Kuzmich
- The Maurice and Vivienne Wohl Institute for Drug Discovery, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Gabriel Lichtenstein
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Yoav Peleg
- Life Sciences Core Facilities, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Hila Harat
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Adam Jozwiak
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Jianghua Cai
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Uwe Heinig
- Life Sciences Core Facilities, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Sagit Meir
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Ilana Rogachev
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Asaph Aharoni
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 7610001, Israel.
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Meng F, Zhang S, Su J, Zhu B, Pan X, Qiu X, Cui X, Wang C, Niu L, Li C, Lu S. Characterization of two CYP80 enzymes provides insights into aporphine alkaloid skeleton formation in Aristolochia contorta. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 118:1439-1454. [PMID: 38379355 DOI: 10.1111/tpj.16686] [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: 06/21/2023] [Revised: 01/29/2024] [Accepted: 02/07/2024] [Indexed: 02/22/2024]
Abstract
Aporphine alkaloids are a large group of natural compounds with extensive pharmaceutical application prospects. The biosynthesis of aporphine alkaloids has been paid attentions in the past decades. Here, we determined the contents of four 1-benzylisoquinoline alkaloids and five aporphine alkaloids in root, stem, leaf, and flower of Aristolochia contorta Bunge, which belongs to magnoliids. Two CYP80 enzymes were identified and characterized from A. contorta. Both of them catalyze the unusual C-C phenol coupling reactions and directly form the aporphine alkaloid skeleton. AcCYP80G7 catalyzed the formation of hexacyclic aporphine corytuberine. AcCYP80Q8 catalyzed the formation of pentacyclic proaporphine glaziovine. Kingdom-wide phylogenetic analysis of the CYP80 family suggested that CYP80 first appeared in Nymphaeales. The functional divergence of hydroxylation and C-C (or C-O) phenol coupling preceded the divergence of magnoliids and eudicots. Probable crucial residues of AcCYP80Q8 were selected through sequence alignment and molecular docking. Site-directed mutagenesis revealed two crucial residues E284 and Y106 for the catalytic reaction. Identification and characterization of two aporphine skeleton-forming enzymes provide insights into the biosynthesis of aporphine alkaloids.
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Affiliation(s)
- Fanqi Meng
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Sixuan Zhang
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Jiaxian Su
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Butuo Zhu
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Xian Pan
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Xiaoxiao Qiu
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Xinyun Cui
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
- College of Plant Science, Jilin University, Changchun, 130062, China
| | - Chunling Wang
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Lili Niu
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Caili Li
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Shanfa Lu
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
- Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
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Zwerger M, Boeck L, Manzl J, Schwaiger S, Ganzera M. Novel Approaches for the Analysis and Isolation of Benzylisoquinoline Alkaloids in Chelidonium majus. PLANTA MEDICA 2024; 90:523-533. [PMID: 38843792 PMCID: PMC11156497 DOI: 10.1055/a-2204-5686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 10/23/2023] [Indexed: 06/10/2024]
Abstract
Benzylisoquinoline alkaloids are the major bioactive components in Chelidonium majus, a plant that has a long usage history for the treatment of gastrointestinal ailments in European and Asian phytomedicine. This study reports on the development and application of a supercritical fluid chromatography technique for the simultaneous qualitative and quantitative determination of seven benzylisoquinoline alkaloids in under six minutes using a Viridis BEH 2-EP column and a modifier comprising methanol with 30% acetonitrile and 20 mM ammonium formate. The method was fully validated according to ICH guidelines showing, e.g., excellent linearity (≥ 0.9997) and maximum deviations for intraday and inter-day precision of 2.99 and 2.76%, respectively. The new supercritical fluid chromatography assay was not only employed for the analysis of several C. majus samples but was also used for the subsequent development of a fast centrifugal partition chromatography technique, whereby five benzylisoquinoline alkaloids could be isolated within approximately 2.5 h, with only two of them, protopine and chelidonine, requiring an additional purification step. To achieve this, a solvent system composed of chloroform/methanol/0.3 M hydrochloric acid was used in descending mode. By injecting 500 mg of crude extract, stylopine (1.93 mg), sanguinarine (0.57 mg), chelidonine (1.29 mg), protopine (1.95 mg), and coptisine (7.13 mg) could be obtained. The purity of compounds was confirmed by supercritical fluid chromatography and MS.
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Affiliation(s)
- Michael Zwerger
- Institute of Pharmacy, Pharmacognosy, Center for Molecular Biosciences (CMBI), University of Innsbruck, Innsbruck, Austria
| | - Lynda Boeck
- Institute of Pharmacy, Pharmacognosy, Center for Molecular Biosciences (CMBI), University of Innsbruck, Innsbruck, Austria
| | - Julia Manzl
- Institute of Pharmacy, Pharmacognosy, Center for Molecular Biosciences (CMBI), University of Innsbruck, Innsbruck, Austria
| | - Stefan Schwaiger
- Institute of Pharmacy, Pharmacognosy, Center for Molecular Biosciences (CMBI), University of Innsbruck, Innsbruck, Austria
| | - Markus Ganzera
- Institute of Pharmacy, Pharmacognosy, Center for Molecular Biosciences (CMBI), University of Innsbruck, Innsbruck, Austria
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Zhao X, Pan Y, Tan J, Lv H, Wang Y, Chen DX. Metabolomics and transcriptomics reveal the mechanism of alkaloid synthesis in Corydalis yanhusuo bulbs. PLoS One 2024; 19:e0304258. [PMID: 38781178 PMCID: PMC11115222 DOI: 10.1371/journal.pone.0304258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
Corydalis yanhusuo W.T. Wang is a traditional herb. Benzylisoquinoline alkaloids (BIAs) are the main pharmacological active ingredients that play an important role in sedation, relieving pain, promoting blood circulation, and inhibiting cancer cells. However, there are few studies on the biosynthetic pathway of benzylisoquinoline alkaloids in Corydalis yanhusuo, especially on some specific components, such as tetrahydropalmatine. We carried out widely targeted metabolome and transcriptomic analyses to construct the biosynthetic pathway of benzylisoquinoline alkaloids and identified candidate genes. In this study, 702 metabolites were detected, including 216 alkaloids. Protoberberine-type and aporphine-type alkaloids are the main chemical components in C. yanhusuo bulbs. Key genes for benzylisoquinoline alkaloids biosynthesis, including 6-OMT, CNMT, NMCH, BBE, SOMT1, CFS, SPS, STOX, MSH, TNMT and P6H, were successfully identified. There was no significant difference in the content of benzylisoquinoline alkaloids and the expression level of genes between the two suborgans (mother-bulb and son-bulb). The expression levels of BIA genes in the expansion stage (MB-A and SB-A) were significantly higher than those in the maturity stage (MB-C and SB-C), and the content of benzylisoquinoline alkaloids was consistent with the pattern of gene regulation. Five complete single genes were likely to encode the functional enzyme of CoOMT, which participated in tetrahydropalmatine biosynthesis in C. yanhusuo bulbs. These studies provide a strong theoretical basis for the subsequent development of metabolic engineering of benzylisoquinoline alkaloids (especially tetrahydropalmatine) of C. yanhusuo.
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Affiliation(s)
- Xiao Zhao
- Chongqing Academy of Chinese Materia Medica, Chongqing, China
- Chongqing College of Traditional Chinese Medicine, Chongqing, China
- Chongqing Engineering Research Center for Fine Variety Breeding Techniques of Chinese Materia Medica, Chongqing, China
- Chongqing Sub-Center of National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Science, Chongqing, China
| | - Yuan Pan
- Chongqing Academy of Chinese Materia Medica, Chongqing, China
- Chongqing Engineering Research Center for Fine Variety Breeding Techniques of Chinese Materia Medica, Chongqing, China
- Chongqing Sub-Center of National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Science, Chongqing, China
| | - Jun Tan
- Chongqing Academy of Chinese Materia Medica, Chongqing, China
- Chongqing Engineering Research Center for Fine Variety Breeding Techniques of Chinese Materia Medica, Chongqing, China
- Chongqing Sub-Center of National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Science, Chongqing, China
| | - Hui Lv
- Chongqing Academy of Chinese Materia Medica, Chongqing, China
- Chongqing College of Traditional Chinese Medicine, Chongqing, China
- Chongqing Engineering Research Center for Fine Variety Breeding Techniques of Chinese Materia Medica, Chongqing, China
- Chongqing Sub-Center of National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Science, Chongqing, China
| | - Yu Wang
- Chongqing Academy of Chinese Materia Medica, Chongqing, China
- Chongqing Engineering Research Center for Fine Variety Breeding Techniques of Chinese Materia Medica, Chongqing, China
- Chongqing Sub-Center of National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Science, Chongqing, China
| | - Da-xia Chen
- Chongqing Academy of Chinese Materia Medica, Chongqing, China
- Chongqing College of Traditional Chinese Medicine, Chongqing, China
- Chongqing Engineering Research Center for Fine Variety Breeding Techniques of Chinese Materia Medica, Chongqing, China
- Chongqing Sub-Center of National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Science, Chongqing, China
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Feineis D, Bringmann G. Structural variety and pharmacological potential of naphthylisoquinoline alkaloids. THE ALKALOIDS. CHEMISTRY AND BIOLOGY 2024; 91:1-410. [PMID: 38811064 DOI: 10.1016/bs.alkal.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
Naphthylisoquinoline alkaloids are a fascinating class of natural biaryl compounds. They show characteristic mono- and dimeric scaffolds, with chiral axes and stereogenic centers. Since the appearance of the last comprehensive overview on these secondary plant metabolites in this series in 1995, the number of discovered representatives has tremendously increased to more than 280 examples known today. Many novel-type compounds have meanwhile been discovered, among them naphthylisoquinoline-related follow-up products like e.g., the first seco-type (i.e., ring-opened) and ring-contracted analogues. As highlighted in this review, the knowledge on the broad structural chemodiversity of naphthylisoquinoline alkaloids has been decisively driven forward by extensive phytochemical studies on the metabolite pattern of Ancistrocladus abbreviatus from Coastal West Africa, which is a particularly "creative" plant. These investigations furnished a considerable number of more than 80-mostly new-natural products from this single species, with promising antiplasmodial activities and with pronounced cytotoxic effects against human leukemia, pancreatic, cervical, and breast cancer cells. Another unique feature of naphthylisoquinoline alkaloids is their unprecedented biosynthetic origin from polyketidic precursors and not, as usual for isoquinoline alkaloids, from aromatic amino acids-a striking example of biosynthetic convergence in nature. Furthermore, remarkable botanical results are presented on the natural producers of naphthylisoquinoline alkaloids, the paleotropical Dioncophyllaceae and Ancistrocladaceae lianas, including first investigations on the chemoecological role of these plant metabolites and their storage and accumulation in particular plant organs.
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Affiliation(s)
- Doris Feineis
- Institute of Organic Chemistry, University of Würzburg, Würzburg, Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg, Würzburg, Germany.
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9
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An Z, Gao R, Chen S, Tian Y, Li Q, Tian L, Zhang W, Kong L, Zheng B, Hao L, Xin T, Yao H, Wang Y, Song W, Hua X, Liu C, Song J, Fan H, Sun W, Chen S, Xu Z. Lineage-Specific CYP80 Expansion and Benzylisoquinoline Alkaloid Diversity in Early-Diverging Eudicots. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309990. [PMID: 38477432 PMCID: PMC11109638 DOI: 10.1002/advs.202309990] [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: 12/19/2023] [Revised: 02/07/2024] [Indexed: 03/14/2024]
Abstract
Menispermaceae species, as early-diverging eudicots, can synthesize valuable benzylisoquinoline alkaloids (BIAs) like bisbenzylisoquinoline alkaloids (bisBIAs) and sinomenines with a wide range of structural diversity. However, the evolutionary mechanisms responsible for their chemo-diversity are not well understood. Here, a chromosome-level genome assembly of Menispermum dauricum is presented and demonstrated the occurrence of two whole genome duplication (WGD) events that are shared by Ranunculales and specific to Menispermum, providing a model for understanding chromosomal evolution in early-diverging eudicots. The biosynthetic pathway for diverse BIAs in M. dauricum is reconstructed by analyzing the transcriptome and metabolome. Additionally, five catalytic enzymes - one norcoclaurine synthase (NCS) and four cytochrome P450 monooxygenases (CYP450s) - from M. dauricum are responsible for the formation of the skeleton, hydroxylated modification, and C-O/C-C phenol coupling of BIAs. Notably, a novel leaf-specific MdCYP80G10 enzyme that catalyzes C2'-C4a phenol coupling of (S)-reticuline into sinoacutine, the enantiomer of morphinan compounds, with predictable stereospecificity is discovered. Moreover, it is found that Menispermum-specific CYP80 gene expansion, as well as tissue-specific expression, has driven BIA diversity in Menispermaceae as compared to other Ranunculales species. This study sheds light on WGD occurrences in early-diverging eudicots and the evolution of diverse BIA biosynthesis.
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Affiliation(s)
- Zhoujie An
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
| | - Ranran Gao
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese MedicineInstitute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijing100700China
| | - Shanshan Chen
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese MedicineInstitute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijing100700China
| | - Ya Tian
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
| | - Qi Li
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
| | - Lixia Tian
- School of Pharmaceutical SciencesGuizhou UniversityGuiyang550025China
| | - Wanran Zhang
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
| | - Lingzhe Kong
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
| | - Baojiang Zheng
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
| | - Lijun Hao
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant DevelopmentChinese Academy of Medical Sciences & Peking Union Medical CollegeBeijing100193China
| | - Tianyi Xin
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant DevelopmentChinese Academy of Medical Sciences & Peking Union Medical CollegeBeijing100193China
| | - Hui Yao
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant DevelopmentChinese Academy of Medical Sciences & Peking Union Medical CollegeBeijing100193China
| | - Yu Wang
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant DevelopmentChinese Academy of Medical Sciences & Peking Union Medical CollegeBeijing100193China
| | - Wei Song
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
| | - Xin Hua
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
| | - Chengwei Liu
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
| | - Jingyuan Song
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant DevelopmentChinese Academy of Medical Sciences & Peking Union Medical CollegeBeijing100193China
| | - Huahao Fan
- College of Life Science and TechnologyBeijing University of Chemical TechnologyBeijing100029China
| | - Wei Sun
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese MedicineInstitute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijing100700China
| | - Shilin Chen
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese MedicineInstitute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijing100700China
- Institute of HerbgenomicsChengdu University of Traditional Chinese MedicineChengdu611137China
| | - Zhichao Xu
- Key Laboratory of Saline‐alkali Vegetation Ecology Restoration (Northeast Forestry University)Ministry of EducationHarbin150040China
- College of Life ScienceNortheast Forestry UniversityHarbin150040China
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10
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Aghaali Z, Naghavi MR, Zargar M. Promising approaches for simultaneous enhancement of medicinally significant benzylisoquinoline alkaloids in opium poppy. FRONTIERS IN PLANT SCIENCE 2024; 15:1377318. [PMID: 38633462 PMCID: PMC11022600 DOI: 10.3389/fpls.2024.1377318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 03/14/2024] [Indexed: 04/19/2024]
Abstract
Benzylisoquinoline alkaloids (BIAs) produced in opium poppy have been evidenced to heal patients suffering from various diseases. They, therefore, hold an integral position in the herbal drug industry. Despite the adoption of several approaches for the large-scale production of BIAs, opium poppy remains the only platform in this purpose. The only disadvantage associated with producing BIAs in the plant is their small quantity. Thus, recruiting strategies that boost their levels is deemed necessary. All the methods which have been employed so far are just able to enhance a maximum of two BIAs. Thus, if these methods are utilized, a sizable amount of time and budget must be spent on the synthesis of all BIAs. Hence, the exploitation of strategies which increase the content of all BIAs at the same time is more commercially effective and time-saving, avoiding the laborious step of resolving the biosynthetic pathway of each compound. Exposure to biotic and abiotic elicitors, development of a synthetic auto-tetraploid, overexpression of a WRKY transcription factor, formation of an artificial metabolon, and suppression of a gene in the shikimate pathway and miRNA are strategies that turn opium poppy into a versatile bioreactor for the concurrent and massive production of BIAs. The last three strategies have never been applied for BIA biosynthetic pathways.
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Affiliation(s)
- Zahra Aghaali
- Department of Genetics and Plant Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Reza Naghavi
- Division of Plant Biotechnology, Department of Agronomy and Plant Breeding, College of Agricultural and Natural Resources, University of Tehran, Karaj, Iran
- Department of Agrobiotechnology, Agrarian Technological Institute, Peoples' Friendship University of Russia (RUDN) University, Moscow, Russia
| | - Meisam Zargar
- Department of Agrobiotechnology, Agrarian Technological Institute, Peoples' Friendship University of Russia (RUDN) University, Moscow, Russia
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11
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Becker A, Bachelier JB, Carrive L, Conde E Silva N, Damerval C, Del Rio C, Deveaux Y, Di Stilio VS, Gong Y, Jabbour F, Kramer EM, Nadot S, Pabón-Mora N, Wang W. A cornucopia of diversity-Ranunculales as a model lineage. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1800-1822. [PMID: 38109712 DOI: 10.1093/jxb/erad492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 12/11/2023] [Indexed: 12/20/2023]
Abstract
The Ranunculales are a hyperdiverse lineage in many aspects of their phenotype, including growth habit, floral and leaf morphology, reproductive mode, and specialized metabolism. Many Ranunculales species, such as opium poppy and goldenseal, have a high medicinal value. In addition, the order includes a large number of commercially important ornamental plants, such as columbines and larkspurs. The phylogenetic position of the order with respect to monocots and core eudicots and the diversity within this lineage make the Ranunculales an excellent group for studying evolutionary processes by comparative studies. Lately, the phylogeny of Ranunculales was revised, and genetic and genomic resources were developed for many species, allowing comparative analyses at the molecular scale. Here, we review the literature on the resources for genetic manipulation and genome sequencing, the recent phylogeny reconstruction of this order, and its fossil record. Further, we explain their habitat range and delve into the diversity in their floral morphology, focusing on perianth organ identity, floral symmetry, occurrences of spurs and nectaries, sexual and pollination systems, and fruit and dehiscence types. The Ranunculales order offers a wealth of opportunities for scientific exploration across various disciplines and scales, to gain novel insights into plant biology for researchers and plant enthusiasts alike.
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Affiliation(s)
- Annette Becker
- Plant Development Group, Institute of Botany, Justus-Liebig-University, Giessen, Germany
| | - Julien B Bachelier
- Institute of Biology/Dahlem Centre of Plant Sciences, Freie Universität Berlin, D-14195 Berlin, Germany
| | - Laetitia Carrive
- Université de Rennes, UMR CNRS 6553, Ecosystèmes-Biodiversité-Evolution, Campus de Beaulieu, 35042 Rennes cedex, France
| | - Natalia Conde E Silva
- Université Paris-Saclay, INRAE, CNRS, AgroParisTech, Génétique Quantitative et Evolution-Le Moulon, 91190 Gif-sur-Yvette, France
| | - Catherine Damerval
- Université Paris-Saclay, INRAE, CNRS, AgroParisTech, Génétique Quantitative et Evolution-Le Moulon, 91190 Gif-sur-Yvette, France
| | - Cédric Del Rio
- CR2P - Centre de Recherche en Paléontologie - Paris, MNHN - Sorbonne Université - CNRS, 43 Rue Buffon, 75005 Paris, France
| | - Yves Deveaux
- Université Paris-Saclay, INRAE, CNRS, AgroParisTech, Génétique Quantitative et Evolution-Le Moulon, 91190 Gif-sur-Yvette, France
| | | | - Yan Gong
- Department of Organismic and Evolutionary Biology, Harvard University, MA, 02138, USA
| | - Florian Jabbour
- Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, 57 rue Cuvier, CP39, Paris, 75005, France
| | - Elena M Kramer
- Department of Organismic and Evolutionary Biology, Harvard University, MA, 02138, USA
| | - Sophie Nadot
- Université Paris-Saclay, CNRS, AgroParisTech, Ecologie, Systématique et Evolution, Gif-sur-Yvette, France
| | - Natalia Pabón-Mora
- Instituto de Biología, Universidad de Antioquia, Medellín, 050010, Colombia
| | - Wei Wang
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093 China and University of Chinese Academy of Sciences, Beijing, 100049China
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12
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Khaldari I, Naghavi MR, Motamedi E, Zargar M. The effects of green and chemically-synthesized copper oxide nanoparticles on the production and gene expression of morphinan alkaloids in Oriental poppy. Sci Rep 2024; 14:6000. [PMID: 38472367 PMCID: PMC10933268 DOI: 10.1038/s41598-024-56709-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 03/09/2024] [Indexed: 03/14/2024] Open
Abstract
Oriental poppy (Papaver orientale L.) belonging to the Papaveraceae family, has the capacity to synthesize a wide range of benzylisoquinoline alkaloids (BIAs). This experiment was conducted to investigate the effects of green and chemical copper oxide nanoparticles (CuO NPs) elicitors on oxidative stress and the BIAs biosynthesis pathway in the cell suspension culture of P. orientale. This research shows that both green and chemical CuO NPs at concentrations of 20 mg/L and 40 mg/L, induce oxidative stress in the cell suspension of P. orientale by increasing the production of H2O2 and the activity of antioxidant enzymes. The comparison of treatments revealed that utilizing a lower concentration of CuO NPs (20 mg/L) and extending the duration of cell suspension incubation (up to 48 h) play a more influential role in inducing the expression of the BIAs biosynthesis pathway genes (PsWRKY, TYDC, SalSyn, SalR, SalAT, T6ODM, COR and CODM) and increasing the production of morphinan alkaloids (thebaine, codeine, and morphine). The overarching results indicate that the concentration of CuO NPs and the duration of cell treatment have a more significant impact than the nature of CuO NPs in inducing oxidative stress and stimulating the expression of the BIAs pathway genes.
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Affiliation(s)
- Iman Khaldari
- Division of Biotechnology, Department of Agronomy and Plant Breeding, Agricultural and Natural Resources College, University of Tehran, Karaj, Iran
| | - Mohammad Reza Naghavi
- Division of Biotechnology, Department of Agronomy and Plant Breeding, Agricultural and Natural Resources College, University of Tehran, Karaj, Iran.
- Department of Agrobiotechnology, Agrarian Technological Institute, RUDN University, Moscow, Russia.
| | - Elaheh Motamedi
- Department of Nanotechnology, Agricultural Research, Education and Extension Organization (AREEO), Agricultural Biotechnology Research Institute of Iran (ABRII), Karaj, Iran
| | - Meisam Zargar
- Department of Agrobiotechnology, Agrarian Technological Institute, RUDN University, Moscow, Russia
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13
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Liu X, Ma Y, Bu J, Lian C, Ma R, Li Q, Jiao X, Hu Z, Chen Y, Chen S, Guo J, Huang L. Characterization of CYP82 genes involved in the biosynthesis of structurally diverse benzylisoquinoline alkaloids in Corydalis yanhusuo. PLANT MOLECULAR BIOLOGY 2024; 114:23. [PMID: 38453737 DOI: 10.1007/s11103-023-01397-7] [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: 03/23/2023] [Accepted: 10/27/2023] [Indexed: 03/09/2024]
Abstract
Benzylisoquinoline alkaloids (BIAs) represent a significant class of secondary metabolites with crucial roles in plant physiology and substantial potential for clinical applications. CYP82 genes are involved in the formation and modification of various BIA skeletons, contributing to the structural diversity of compounds. In this study, Corydalis yanhusuo, a traditional Chinese medicine rich in BIAs, was investigated to identify the catalytic function of CYP82s during BIA formation. Specifically, 20 CyCYP82-encoding genes were cloned, and their functions were identified in vitro. Ten of these CyCYP82s were observed to catalyze hydroxylation, leading to the formation of protopine and benzophenanthridine scaffolds. Furthermore, the correlation between BIA accumulation and the expression of CyCYP82s in different tissues of C. yanhusuo was assessed their. The identification and characterization of CyCYP82s provide novel genetic elements that can advance the synthetic biology of BIA compounds such as protopine and benzophenanthridine, and offer insights into the biosynthesis of BIAs with diverse structures in C. yanhusuo.
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Affiliation(s)
- Xiuyu Liu
- School of Pharmaceutical Sciences, Henan University of Chinese Medicine, No. 156 Jinshuidong Road, Zhengzhou, 450046, China
| | - Ying Ma
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinan Academy of Chinese Medical Sciences, Beijing, 100000, China
| | - Junling Bu
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinan Academy of Chinese Medical Sciences, Beijing, 100000, China
| | - Conglong Lian
- School of Pharmaceutical Sciences, Henan University of Chinese Medicine, No. 156 Jinshuidong Road, Zhengzhou, 450046, China
| | - Rui Ma
- School of Pharmaceutical Sciences, Henan University of Chinese Medicine, No. 156 Jinshuidong Road, Zhengzhou, 450046, China
| | - Qishuang Li
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinan Academy of Chinese Medical Sciences, Beijing, 100000, China
| | - Xiang Jiao
- Department of Biology and Biological Engineering, Chalmers University of Technology, Kemivägen 10, 41296, Gothenburg, Sweden
| | - Zhimin Hu
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinan Academy of Chinese Medical Sciences, Beijing, 100000, China
| | - Yun Chen
- Department of Biology and Biological Engineering, Chalmers University of Technology, Kemivägen 10, 41296, Gothenburg, Sweden
| | - Suiqing Chen
- School of Pharmaceutical Sciences, Henan University of Chinese Medicine, No. 156 Jinshuidong Road, Zhengzhou, 450046, China.
| | - Juan Guo
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinan Academy of Chinese Medical Sciences, Beijing, 100000, China.
| | - Luqi Huang
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinan Academy of Chinese Medical Sciences, Beijing, 100000, China.
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14
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Lee S, Park NI, Park Y, Park KC, Kim ES, Son YK, Choi BS, Kim NS, Choi IY. O- and N-Methyltransferases in benzylisoquinoline alkaloid producing plants. Genes Genomics 2024; 46:367-378. [PMID: 38095842 DOI: 10.1007/s13258-023-01477-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 11/17/2023] [Indexed: 02/21/2024]
Abstract
BACKGROUND Secondary metabolites such as benzylisoquinoline alkaloids (BIA) have attracted considerable attention because of their pharmacological properties and potential therapeutic applications. Methyltransferases (MTs) can add methyl groups to alkaloid molecules, altering their physicochemical properties and bioactivity, stability, solubility, and recognition by other cellular components. Five types of O-methyltransferases and two types of N-methyltransferases are involved in BIA biosynthesis. OBJECTIVE Since MTs may be the source for the discovery and development of novel biomedical, agricultural, and industrial compounds, we performed extensive molecular and phylogenetic analyses of O- and N-methyltransferases in BIA-producing plants. METHODS MTs involved in BIA biosynthesis were isolated from transcriptomes of Berberis koreana and Caulophyllum robustum. We also mined the methyltransferases of Coptis japonica, Papaver somniferum, and Nelumbo nucifera from the National Center for Biotechnology Information protein database. Then, we analyzed the functional motifs and phylogenetic analysis. RESULT We mined 42 O-methyltransferases and 8 N-methyltransferases from the five BIA-producing plants. Functional motifs for S-adenosyl-L-methionine-dependent methyltransferases were retained in most methyltransferases, except for the three O-methyltransferases from N. nucifera. Phylogenetic analysis revealed that the methyltransferases were grouped into four clades, I, II, III and IV. The clustering patterns in the phylogenetic analysis suggested a monophyletic origin of methyltransferases and gene duplication within species. The coexistence of different O-methyltransferases in the deep branch subclade might support some cases of substrate promiscuity. CONCLUSIONS Methyltransferases may be a source for the discovery and development of novel biomedical, agricultural, and industrial compounds. Our results contribute to further understanding of their structure and reaction mechanisms, which will require future functional studies.
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Affiliation(s)
- Seungki Lee
- Biological Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea
| | - Nam-Il Park
- Department of Plant Science, Gangneung-Wonju National University, Gangneung, 25457, Republic of Korea
| | - Yeri Park
- Department of Plant Science, Gangneung-Wonju National University, Gangneung, 25457, Republic of Korea
| | - Kyong-Cheul Park
- Department of Smart Farm and Agricultural Industry, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Eun Sil Kim
- Biological Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea
| | - Youn Kyoung Son
- Biological Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea
| | | | - Nam-Soo Kim
- NBIT Co., Ltd, Chuncheon, 24341, Republic of Korea.
| | - Ik-Young Choi
- Department of Smart Farm and Agricultural Industry, Kangwon National University, Chuncheon, 24341, Republic of Korea.
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15
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Leng L, Xu Z, Hong B, Zhao B, Tian Y, Wang C, Yang L, Zou Z, Li L, Liu K, Peng W, Liu J, An Z, Wang Y, Duan B, Hu Z, Zheng C, Zhang S, Li X, Li M, Liu Z, Bi Z, He T, Liu B, Fan H, Song C, Tong Y, Chen S. Cepharanthine analogs mining and genomes of Stephania accelerate anti-coronavirus drug discovery. Nat Commun 2024; 15:1537. [PMID: 38378731 PMCID: PMC10879537 DOI: 10.1038/s41467-024-45690-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 02/01/2024] [Indexed: 02/22/2024] Open
Abstract
Cepharanthine is a secondary metabolite isolated from Stephania. It has been reported that it has anti-conronaviruses activities including severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Here, we assemble three Stephania genomes (S. japonica, S. yunnanensis, and S. cepharantha), propose the cepharanthine biosynthetic pathway, and assess the antiviral potential of compounds involved in the pathway. Among the three genomes, S. japonica has a near telomere-to-telomere assembly with one remaining gap, and S. cepharantha and S. yunnanensis have chromosome-level assemblies. Following by biosynthetic gene mining and metabolomics analysis, we identify seven cepharanthine analogs that have broad-spectrum anti-coronavirus activities, including SARS-CoV-2, Guangxi pangolin-CoV (GX_P2V), swine acute diarrhoea syndrome coronavirus (SADS-CoV), and porcine epidemic diarrhea virus (PEDV). We also show that two other genera, Nelumbo and Thalictrum, can produce cepharanthine analogs, and thus have the potential for antiviral compound discovery. Results generated from this study could accelerate broad-spectrum anti-coronavirus drug discovery.
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Affiliation(s)
- Liang Leng
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Zhichao Xu
- College of Life Science, Northeast Forestry University, Harbin, 150040, China
| | - Bixia Hong
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Binbin Zhao
- NHC Key Laboratory of Human Disease Comparative Medicine, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, 100730, China
| | - Ya Tian
- College of Life Science, Northeast Forestry University, Harbin, 150040, China
| | - Can Wang
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Lulu Yang
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Zhongmei Zou
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
| | - Lingyu Li
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
| | - Ke Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Wanjun Peng
- NHC Key Laboratory of Human Disease Comparative Medicine, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, 100730, China
| | - Jiangning Liu
- NHC Key Laboratory of Human Disease Comparative Medicine, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, 100730, China
| | - Zhoujie An
- College of Life Science, Northeast Forestry University, Harbin, 150040, China
| | - Yalin Wang
- College of Life Science, Northeast Forestry University, Harbin, 150040, China
| | - Baozhong Duan
- College of Pharmaceutical Science, Dali University, Dali, 671000, China
| | - Zhigang Hu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, 430065, China
| | - Chuan Zheng
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
| | - Sanyin Zhang
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Xiaodong Li
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
| | - Maochen Li
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhaoyu Liu
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Zenghao Bi
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Tianxing He
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Baimei Liu
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Huahao Fan
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Chi Song
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Yigang Tong
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Shilin Chen
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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16
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Aldana JA, Moa B, Mattsson J, Russell JH, Hawkins BJ. Histological, chemical and gene expression differences between western redcedar seedlings resistant and susceptible to cedar leaf blight. FRONTIERS IN PLANT SCIENCE 2024; 15:1309762. [PMID: 38379949 PMCID: PMC10878471 DOI: 10.3389/fpls.2024.1309762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 01/08/2024] [Indexed: 02/22/2024]
Abstract
Introduction Western redcedar (Thuja plicata) is an important species in the Cupressaceae both at economic and cultural levels in the Pacific Northwest of North America. In adult trees, the species produces one of the most weathering-resistant heartwoods among conifers, making it one of the preferred species for outdoor applications. However, young T. plicata plants are susceptible to infection with cedar leaf blight (Didymascella thujina), an important foliar pathogen that can be devastating in nurseries and small-spaced plantations. Despite that, variability in the resistance against D. thujina in T. plicata has been documented, and such variability can be used to breed T. plicata for resistance against the pathogen. Objective This investigation aimed to discern the phenotypic and gene expression differences between resistant and susceptible T. plicata seedlings to shed light on the potential constitutive resistance mechanisms against cedar leaf blight in western redcedar. Methods The study consisted of two parts. First, the histological differences between four resistant and four susceptible families that were never infected with the pathogen were investigated. And second, the differences between one resistant and one susceptible family that were infected and not infected with the pathogen were analyzed at the chemical (C, N, mineral nutrients, lignin, fiber, starch, and terpenes) and gene expression (RNA-Seq) levels. Results The histological part showed that T. plicata seedlings resistant to D. thujina had constitutively thicker cuticles and lower stomatal densities than susceptible plants. The chemical analyses revealed that, regardless of their infection status, resistant plants had higher foliar concentrations of sabinene and α-thujene, and higher levels of expression of transcripts that code for leucine-rich repeat receptor-like protein kinases and for bark storage proteins. Conclusion The data collected in this study shows that constitutive differences at the phenotypic (histological and chemical) and gene expression level exist between T. plicata seedlings susceptible and resistant to D. thujina. Such differences have potential use for marker-assisted selection and breeding for resistance against cedar leaf blight in western redcedar in the future.
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Affiliation(s)
- Juan A. Aldana
- School of Arts, Science, and Education, Medicine Hat College, Medicine Hat, AB, Canada
| | - Belaid Moa
- Electrical and Computer Engineering Department, University of Victoria, Victoria, BC, Canada
| | - Jim Mattsson
- Department of Biological Sciences, Simon Fraser University, Burnaby, BC, Canada
| | - John H. Russell
- British Columbia Ministry of Forests, Mesachie Lake, BC, Canada
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17
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Mahajan S, Chakraborty A, Bisht MS, Sil T, Sharma VK. Genome sequencing and functional analysis of a multipurpose medicinal herb Tinospora cordifolia (Giloy). Sci Rep 2024; 14:2799. [PMID: 38307917 PMCID: PMC10837142 DOI: 10.1038/s41598-024-53176-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 01/29/2024] [Indexed: 02/04/2024] Open
Abstract
Tinospora cordifolia (Willd.) Hook.f. & Thomson, also known as Giloy, is among the most important medicinal plants that have numerous therapeutic applications in human health due to the production of a diverse array of secondary metabolites. To gain genomic insights into the medicinal properties of T. cordifolia, the genome sequencing was carried out using 10× Genomics linked read and Nanopore long-read technologies. The draft genome assembly of T. cordifolia was comprised of 1.01 Gbp, which is the genome sequenced from the plant family Menispermaceae. We also performed the genome size estimation for T. cordifolia, which was found to be 1.13 Gbp. The deep sequencing of transcriptome from the leaf tissue was also performed. The genome and transcriptome assemblies were used to construct the gene set, resulting in 17,245 coding gene sequences. Further, the phylogenetic position of T. cordifolia was also positioned as basal eudicot by constructing a genome-wide phylogenetic tree using multiple species. Further, a comprehensive comparative evolutionary analysis of gene families contraction/expansion and multiple signatures of adaptive evolution was performed. The genes involved in benzyl iso-quinoline alkaloid, terpenoid, lignin and flavonoid biosynthesis pathways were found with signatures of adaptive evolution. These evolutionary adaptations in genes provide genomic insights into the presence of diverse medicinal properties of this plant. The genes involved in the common symbiosis signalling pathway associated with endosymbiosis (Arbuscular Mycorrhiza) were found to be adaptively evolved. The genes involved in adventitious root formation, peroxisome biogenesis, biosynthesis of phytohormones, and tolerance against abiotic and biotic stresses were also found to be adaptively evolved in T. cordifolia.
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Affiliation(s)
- Shruti Mahajan
- MetaBioSys Group, Department of Biological Sciences, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, 462066, India
| | - Abhisek Chakraborty
- MetaBioSys Group, Department of Biological Sciences, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, 462066, India
| | - Manohar S Bisht
- MetaBioSys Group, Department of Biological Sciences, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, 462066, India
| | - Titas Sil
- MetaBioSys Group, Department of Biological Sciences, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, 462066, India
| | - Vineet K Sharma
- MetaBioSys Group, Department of Biological Sciences, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, 462066, India.
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18
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Lei W, Zhu H, Cao M, Zhang F, Lai Q, Lu S, Dong W, Sun J, Ru D. From genomics to metabolomics: Deciphering sanguinarine biosynthesis in Dicranostigma leptopodum. Int J Biol Macromol 2024; 257:128727. [PMID: 38092109 DOI: 10.1016/j.ijbiomac.2023.128727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 11/15/2023] [Accepted: 12/08/2023] [Indexed: 12/18/2023]
Abstract
Dicranostigma leptopodum (Maxim) Fedde (DLF) is a renowned medicinal plant in China, known to be rich in alkaloids. However, the unavailability of a reference genome has impeded investigation into its plant metabolism and genetic breeding potential. Here we present a high-quality chromosomal-level genome assembly for DLF, derived using a combination of Nanopore long-read sequencing, Illumina short-read sequencing and Hi-C technologies. Our assembly genome spans a size of 621.81 Mb with an impressive contig N50 of 93.04 Mb. We show that the species-specific whole-genome duplication (WGD) of DLF and Papaver somniferum corresponded to two rounds of WGDs of Papaver setigerum. Furthermore, we integrated comprehensive homology searching, gene family analyses and construction of a gene-to-metabolite network. These efforts led to the discovery of co-expressed transcription factors, including NAC and bZIP, alongside sanguinarine (SAN) pathway genes CYP719 (CFS and SPS). Notably, we identified P6H as a promising gene for enhancing SAN production. By providing the first reference genome for Dicranostigma, our study confirms the genomic underpinning of SAN biosynthesis and establishes a foundation for advancing functional genomic research on Papaveraceae species. Our findings underscore the pivotal role of high-quality genome assemblies in elucidating genetic variations underlying the evolutionary origin of secondary metabolites.
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Affiliation(s)
- Weixiao Lei
- State Key Laboratory of Grassland Agro-Ecosystems, College of Ecology, Lanzhou University, Lanzhou 730000, China
| | - Hui Zhu
- State Key Laboratory of Grassland Agro-Ecosystems, College of Ecology, Lanzhou University, Lanzhou 730000, China
| | - Man Cao
- Gansu Pharmacovigilance Center, Lanzhou 730070, China
| | - Feng Zhang
- State Key Laboratory of Grassland Agro-Ecosystems, College of Ecology, Lanzhou University, Lanzhou 730000, China
| | - Qing Lai
- State Key Laboratory of Grassland Agro-Ecosystems, College of Ecology, Lanzhou University, Lanzhou 730000, China
| | - Shengming Lu
- State Key Laboratory of Grassland Agro-Ecosystems, College of Ecology, Lanzhou University, Lanzhou 730000, China
| | - Wenpan Dong
- School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China.
| | - Jiahui Sun
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
| | - Dafu Ru
- State Key Laboratory of Grassland Agro-Ecosystems, College of Ecology, Lanzhou University, Lanzhou 730000, China.
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19
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Ma P, Wang Y, Ma N, Wang J. Alkaline-Metal-Promoted Divergent Synthesis of 1-Aminoisoquinolines and Isoquinolines. J Org Chem 2024. [PMID: 38193431 DOI: 10.1021/acs.joc.3c02384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Alkaline-metal-promoted divergent syntheses of 1-aminoisoquinolines and isoquinolines have been reported involving 2-methylaryl aldehydes, nitriles, and LiN(SiMe3)2 as reactants. In addition, the three-component reaction of 2-methylaryl nitriles, aldehydes, and LiN(SiMe3)2 has been developed to furnish 1-aminoisoquinolines. This protocol features readily available starting materials, excellent chemoselectivity, broad substrate scope, and satisfactory yields.
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Affiliation(s)
- Peng Ma
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
| | - Yuhang Wang
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
| | - Ning Ma
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
| | - Jianhui Wang
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China
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20
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Kielich N, Mazur O, Musidlak O, Gracz-Bernaciak J, Nawrot R. Herbgenomics meets Papaveraceae: a promising -omics perspective on medicinal plant research. Brief Funct Genomics 2023:elad050. [PMID: 37952099 DOI: 10.1093/bfgp/elad050] [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: 09/08/2023] [Revised: 10/09/2023] [Accepted: 10/20/2023] [Indexed: 11/14/2023] Open
Abstract
Herbal medicines were widely used in ancient and modern societies as remedies for human ailments. Notably, the Papaveraceae family includes well-known species, such as Papaver somniferum and Chelidonium majus, which possess medicinal properties due to their latex content. Latex-bearing plants are a rich source of diverse bioactive compounds, with applications ranging from narcotics to analgesics and relaxants. With the advent of high-throughput technologies and advancements in sequencing tools, an opportunity exists to bridge the knowledge gap between the genetic information of herbs and the regulatory networks underlying their medicinal activities. This emerging discipline, known as herbgenomics, combines genomic information with other -omics studies to unravel the genetic foundations, including essential gene functions and secondary metabolite biosynthesis pathways. Furthermore, exploring the genomes of various medicinal plants enables the utilization of modern genetic manipulation techniques, such as Clustered Regularly-Interspaced Short Palindromic Repeats (CRISPR/Cas9) or RNA interference. This technological revolution has facilitated systematic studies of model herbs, targeted breeding of medicinal plants, the establishment of gene banks and the adoption of synthetic biology approaches. In this article, we provide a comprehensive overview of the recent advances in genomic, transcriptomic, proteomic and metabolomic research on species within the Papaveraceae family. Additionally, it briefly explores the potential applications and key opportunities offered by the -omics perspective in the pharmaceutical industry and the agrobiotechnology field.
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Affiliation(s)
- Natalia Kielich
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Oliwia Mazur
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Oskar Musidlak
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Joanna Gracz-Bernaciak
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
| | - Robert Nawrot
- Department of Molecular Virology, Institute of Experimental Biology, Adam Mickiewicz University, Poznań, Poland
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21
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Cigan E, Pletz J, Berger SA, Hierzberger B, Grilec-Zlamal M, Steiner A, Oroz-Guinea I, Kroutil W. Concise synthesis of ( R)-reticuline and (+)-salutaridine by combining early-stage organic synthesis and late-stage biocatalysis. Chem Sci 2023; 14:9863-9871. [PMID: 37736642 PMCID: PMC10510765 DOI: 10.1039/d3sc02304d] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 08/10/2023] [Indexed: 09/23/2023] Open
Abstract
Efficient access to the morphinan scaffold remains a major challenge in both synthetic chemistry and biotechnology. Here, a biomimetic chemo-enzymatic strategy to synthesize the natural promorphinan intermediate (+)-salutaridine is demonstrated. By combining early-stage organic synthesis with enzymatic asymmetric key step transformations, the prochiral natural intermediate 1,2-dehydroreticuline was prepared and subsequently stereoselectively reduced by the enzyme 1,2-dehydroreticuline reductase obtaining (R)-reticuline in high ee and yield (>99% ee, up to quant. conversion, 92% isol. yield). In the final step, membrane-bound salutaridine synthase was used to perform the selective ortho-para phenol coupling to give (+)-salutaridine. The synthetic route shows the potential of combining early-stage advanced organic chemistry to minimize protecting group techniques with late-stage multi-step biocatalysis to provide an unprecedented access to the medicinally important compound class of promorphinans.
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Affiliation(s)
- Emmanuel Cigan
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz Heinrichstrasse 28/II 8010 Graz Austria
| | - Jakob Pletz
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz Heinrichstrasse 28/II 8010 Graz Austria
| | - Sarah A Berger
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz Heinrichstrasse 28/II 8010 Graz Austria
| | - Bettina Hierzberger
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz Heinrichstrasse 28/II 8010 Graz Austria
| | - Michael Grilec-Zlamal
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz Heinrichstrasse 28/II 8010 Graz Austria
| | - Alexander Steiner
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz Heinrichstrasse 28/II 8010 Graz Austria
| | - Isabel Oroz-Guinea
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz Heinrichstrasse 28/II 8010 Graz Austria
| | - Wolfgang Kroutil
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz Heinrichstrasse 28/II 8010 Graz Austria
- Field of Excellence BioHealth, University of Graz 8010 Graz Austria
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22
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Sun Z, Zhang X, Fu J, Zhang L, Cheng M, Yang L, Liu Y. Collective Syntheses of 8-Oxoprotoberberines via Sequential In(OTf) 3-Catalyzed Cyclization and Pd(OAc) 2-Catalyzed Heck Coupling. J Org Chem 2023. [PMID: 37172220 DOI: 10.1021/acs.joc.3c00419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Six 8-oxoprotoberberines were synthesized collectively in four steps with acceptable yields (14-19%), of which the products 8-oxopalmatine, 8-oxopseudopalmatine, 8-oxoberberine, and 8-oxopseudoberberine come from nature. The synthetic route was featured with the In(OTf)3-catalyzed cyclization and Heck coupling. Moreover, the syntheses of the natural products berberine, canadine, and iambertine were achieved via various reductions from 8-oxoberberine, which provided a concise approach to the syntheses of this kind of alkaloids.
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Affiliation(s)
- Zenghui Sun
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Institute of Drug Research in Medicine Capital of China, Benxi 117000, P. R. China
| | - Xinhang Zhang
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Institute of Drug Research in Medicine Capital of China, Benxi 117000, P. R. China
| | - Jiayue Fu
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Institute of Drug Research in Medicine Capital of China, Benxi 117000, P. R. China
| | - Lianjie Zhang
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Institute of Drug Research in Medicine Capital of China, Benxi 117000, P. R. China
| | - Maosheng Cheng
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Institute of Drug Research in Medicine Capital of China, Benxi 117000, P. R. China
| | - Lu Yang
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Institute of Drug Research in Medicine Capital of China, Benxi 117000, P. R. China
| | - Yongxiang Liu
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P. R. China
- Institute of Drug Research in Medicine Capital of China, Benxi 117000, P. R. China
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23
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Chen S, Wei B, Fu Y. A Study of the Chemical Composition and Biological Activity of Michelia macclurei Dandy Heartwood: New Sources of Natural Antioxidants, Enzyme Inhibitors and Bacterial Inhibitors. Int J Mol Sci 2023; 24:ijms24097972. [PMID: 37175683 PMCID: PMC10177984 DOI: 10.3390/ijms24097972] [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: 04/11/2023] [Revised: 04/23/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
The wood of Michelia macclurei Dandy (MD) is an excellent material that is widely used in the furniture, handicraft, and construction industries. However, less research has been conducted on the chemical composition and biological activity of heartwood, which is the main valuable part of the wood. This study aimed to investigate the chemical composition and biological activities of the heartwood of Michelia macclurei Dandy (MDHW) and to confirm the active ingredients. Triple quadrupole gas chromatography-mass spectrometry (GC-MS) was used to characterize the volatile components of MDHW, while ultra-performance liquid chromatography-mass spectrometry was used to analyze the non-volatile components (UPLC-MS). The total reducing power, 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical, and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) radical scavenging assays, acetylcholinesterase and α-glucosidase inhibition assays, and an antimicrobial test of 4 gram bacteria were used to describe the in vitro bioactivities. The GC-MS analysis showed that the volatile components of MDHW were mainly fatty compounds and terpenoids, with sesquiterpenes and their derivatives dominating the terpene composition. β-elemene was the main terpene component in the steam distillation (11.88%) and ultrasonic extraction (8.2%) methods. A total of 67 compounds, comprising 45 alkaloids, 9 flavonoids, 6 lignans, and others, were found by UPLC-MS analysis. The primary structural kinds of the non-volatile components were 35 isoquinoline alkaloids. Alkaloids were the predominant active constituent in all MDHW extracts, including crude extracts, alkaloid fractions, and non-alkaloid fractions. These extracts all demonstrate some biological effects in terms of antioxidant, enzyme inhibition, and bacterial inhibition. The findings of this study show that MDHW is abundant in chemical structure types, has great bioactivity assessment, and has the potential to be used to create natural antioxidants, products that postpone Alzheimer's disease and lower blood sugar levels and antibacterial agents.
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Affiliation(s)
- Shixiang Chen
- College of Forestry, Guangxi University, Nanning 530004, China
| | - Bochen Wei
- College of Forestry, Guangxi University, Nanning 530004, China
| | - Yunlin Fu
- College of Forestry, Guangxi University, Nanning 530004, China
- Key Laboratory of National Forestry and Grassland Administration on Cultivation of Fast-Growing Timber in Central South China, College of Forestry, Guangxi University, Nanning 530004, China
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24
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Jia Y, Xu Y, Wang B, Guo L, Guo M, Che X, Ye K. The tissue-specific chromatin accessibility landscape of Papaver somniferum. Front Genet 2023; 14:1136736. [PMID: 37007951 PMCID: PMC10050356 DOI: 10.3389/fgene.2023.1136736] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 03/03/2023] [Indexed: 03/17/2023] Open
Affiliation(s)
- Yanyan Jia
- School of Automation Science and Engineering, Faculty of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Yu Xu
- School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Bo Wang
- School of Automation Science and Engineering, Faculty of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China
- MOE Key Lab for Intelligent Networks & Networks Security, Faculty of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Li Guo
- School of Automation Science and Engineering, Faculty of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Mengyao Guo
- School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Xiaofei Che
- School of Automation Science and Engineering, Faculty of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Kai Ye
- School of Automation Science and Engineering, Faculty of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China
- School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi, China
- MOE Key Lab for Intelligent Networks & Networks Security, Faculty of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China
- Genome Institute, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
- Faculty of Science, Leiden University, Leiden, Netherlands
- *Correspondence: Kai Ye,
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25
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Tian XC, Guo JF, Yan XM, Shi TL, Nie S, Zhao SW, Bao YT, Li ZC, Kong L, Su GJ, Mao JF, Lin J. Unique gene duplications and conserved microsynteny potentially associated with resistance to wood decay in the Lauraceae. FRONTIERS IN PLANT SCIENCE 2023; 14:1122549. [PMID: 36968354 PMCID: PMC10030967 DOI: 10.3389/fpls.2023.1122549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 02/10/2023] [Indexed: 06/18/2023]
Abstract
Wood decay resistance (WDR) is marking the value of wood utilization. Many trees of the Lauraceae have exceptional WDR, as evidenced by their use in ancient royal palace buildings in China. However, the genetics of WDR remain elusive. Here, through comparative genomics, we revealed the unique characteristics related to the high WDR in Lauraceae trees. We present a 1.27-Gb chromosome-level assembly for Lindera megaphylla (Lauraceae). Comparative genomics integrating major groups of angiosperm revealed Lauraceae species have extensively shared gene microsynteny associated with the biosynthesis of specialized metabolites such as isoquinoline alkaloids, flavonoid, lignins and terpenoid, which play significant roles in WDR. In Lauraceae genomes, tandem and proximal duplications (TD/PD) significantly expanded the coding space of key enzymes of biosynthesis pathways related to WDR, which may enhance the decay resistance of wood by increasing the accumulation of these compounds. Among Lauraceae species, genes of WDR-related biosynthesis pathways showed remarkable expansion by TD/PD and conveyed unique and conserved motifs in their promoter and protein sequences, suggesting conserved gene collinearity, gene expansion and gene regulation supporting the high WDR. Our study thus reveals genomic profiles related to biochemical transitions among major plant groups and the genomic basis of WDR in the Lauraceae.
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Affiliation(s)
- Xue-Chan Tian
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Jing-Fang Guo
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Xue-Mei Yan
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Tian-Le Shi
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Shuai Nie
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Shi-Wei Zhao
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Yu-Tao Bao
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Zhi-Chao Li
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Lei Kong
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Guang-Ju Su
- National Tree Breeding Station for Nanmu in Zhuxi, Forest Farm of Zhuxi County, Hubei, China
| | - Jian-Feng Mao
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
- Department of Plant Physiology, Umeå Plant Science Centre, Umeå University, Umeå, Sweden
| | - Jinxing Lin
- National Engineering Research Center of Tree Breeding and Ecological Restoration, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
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26
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Becker A, Yamada Y, Sato F. California poppy ( Eschscholzia californica), the Papaveraceae golden girl model organism for evodevo and specialized metabolism. FRONTIERS IN PLANT SCIENCE 2023; 14:1084358. [PMID: 36938015 PMCID: PMC10017456 DOI: 10.3389/fpls.2023.1084358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
California poppy or golden poppy (Eschscholzia californica) is the iconic state flower of California, with native ranges from Northern California to Southwestern Mexico. It grows well as an ornamental plant in Mediterranean climates, but it might be invasive in many parts of the world. California poppy was also highly prized by Native Americans for its medicinal value, mainly due to its various specialized metabolites, especially benzylisoquinoline alkaloids (BIAs). As a member of the Ranunculales, the sister lineage of core eudicots it occupies an interesting phylogenetic position. California poppy has a short-lived life cycle but can be maintained as a perennial. It has a comparatively simple floral and vegetative morphology. Several genetic resources, including options for genetic manipulation and a draft genome sequence have been established already with many more to come. Efficient cell and tissue culture protocols are established to study secondary metabolite biosynthesis and its regulation. Here, we review the use of California poppy as a model organism for plant genetics, with particular emphasis on the evolution of development and BIA biosynthesis. In the future, California poppy may serve as a model organism to combine two formerly separated lines of research: the regulation of morphogenesis and the regulation of secondary metabolism. This can provide insights into how these two integral aspects of plant biology interact with each other.
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Affiliation(s)
- Annette Becker
- Plant Development Lab, Institute of Botany, Hustus-Liebig-University, Giessen, Germany
| | - Yasuyuki Yamada
- Laboratory of Medicinal Cell Biology, Kobe Pharmaceutical University, Kobe, Japan
| | - Fumihiko Sato
- Graduate School of Biostudies, Kyoto University, Kyoto, Japan
- Bioorganic Research Institute, Suntory Foundation for Life Science, Kyoto, Japan
- Graduate School of Science, Osaka Metropolitan University, Sakai, Japan
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27
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Elucidation of the (R)-enantiospecific benzylisoquinoline alkaloid biosynthetic pathways in sacred lotus (Nelumbo nucifera). Sci Rep 2023; 13:2955. [PMID: 36805479 PMCID: PMC9940101 DOI: 10.1038/s41598-023-29415-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 02/03/2023] [Indexed: 02/22/2023] Open
Abstract
Benzylisoquinoline alkaloids (BIAs) are a structurally diverse group of plant specialized metabolites found mainly in members of the order Ranunculales, including opium poppy (Papaver somniferum), for which BIA biosynthetic pathways leading to the critical drugs morphine, noscapine, and sanguinarine have been elucidated. Sacred lotus (Nelumbo nucifera), in the order Proteales, accumulates medicinal BIAs in the proaporphine, aporphine, and bisbenzylisoquinoline structural subgroups with a prevalence of R enantiomers, opposed to the dominant S configuration occurring in the Ranunculales. Nevertheless, distinctive BIA biosynthetic routes in sacred lotus have not been explored. In planta labeling experiments and in vitro assays with recombinant enzymes and plant protein extracts showed that dopamine and 4-hydroxyphenylacetaldehyde derived from L-tyrosine serve as precursors for the formation of (R,S)-norcoclaurine in sacred lotus, whereas only (R)-norcoclaurine byproducts are favored in the plant by action of R-enantiospecific methyltransferases and cytochrome P450 oxidoreductases (CYPs). Enzymes responsible for the R-enantiospecific formation of proaporphine (NnCYP80Q1) and bisbenzylisoquinoline (NnCYP80Q2) scaffolds, and a methylenedioxy bridge introduction on aporphine substrates (NnCYP719A22) were identified, whereas additional aspects of the biosynthetic pathways leading to the distinctive alkaloid profile are discussed. This work expands the availability of molecular tools that can be deployed in synthetic biology platforms for the production of high-value alkaloids.
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28
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Han J, Li S. De novo biosynthesis of berberine and halogenated benzylisoquinoline alkaloids in Saccharomyces cerevisiae. Commun Chem 2023; 6:27. [PMID: 36759716 PMCID: PMC9911778 DOI: 10.1038/s42004-023-00821-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 01/25/2023] [Indexed: 02/11/2023] Open
Abstract
Berberine is an extensively used pharmaceutical benzylisoquinoline alkaloid (BIA) derived from plants. Microbial manufacturing has emerged as a promising approach to source valuable BIAs. Here, we demonstrated the complete biosynthesis of berberine in Saccharomyces cerevisiae by engineering 19 genes including 12 heterologous genes from plants and bacteria. Overexpressing bottleneck enzymes, fermentation scale-up, and heating treatment after fermentation increased berberine titer by 643-fold to 1.08 mg L-1. This pathway also showed high efficiency to incorporate halogenated tyrosine for the synthesis of unnatural BIA derivatives that have higher therapeutical potentials. We firstly demonstrate the in vivo biosynthesis of 11-fluoro-tetrahydrocolumbamine via nine enzymatic reactions. The efficiency and promiscuity of our pathway also allow for the simultaneous incorporation of two fluorine-substituted tyrosine derivatives to 8, 3'-di-fluoro-coclaurine. This work highlights the potential of yeast as a versatile microbial biosynthetic platform to strengthen current pharmaceutical supply chain and to advance drug development.
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Affiliation(s)
- Jianing Han
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Sijin Li
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA.
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Liu X, Jiao X, Cheng Y, Ma Y, Bu J, Jin B, Li Q, Hu Z, Tang J, Lai C, Wang J, Cui G, Chen Y, Guo J, Huang L. Structure-function analysis of CYP719As involved in methylenedioxy bridge-formation in the biosynthesis of benzylisoquinoline alkaloids and its de novo production. Microb Cell Fact 2023; 22:23. [PMID: 36737755 PMCID: PMC9898898 DOI: 10.1186/s12934-023-02024-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
Benzylisoquinoline alkaloids (BIAs) are a type of secondary metabolite with clinical application value. (S)-stylopine is a special BIA which contains methylenedioxy bridge structures. CYP719As could catalyze the methylenedioxy bridge-formation on the A or D rings of protoberberine alkaloids, while displaying significant substrate regiospecificity. To explore the substrate preference of CYP719As, we cloned and identified five CyCYP719A candidates from Corydalis yanhusuo. Two CyCYP719As (CyCYP719A39 and CyCYP719A42) with high catalytic efficiency for the methylenedioxy bridge-formation on the D or A rings were characterized, respectively. The residues (Leu 294 for CyCYP719A42 and Asp 289 for CyCYP719A39) were identified as the key to controlling the regioselectivity of CYP719As affecting the methylenedioxy bridge-formation on the A or D rings by homology modeling and mutation analysis. Furthermore, for de novo production of BIAs, CyCYP719A39, CyCYP719A42, and their mutants were introduced into the (S)-scoulerine-producing yeast to produce 32 mg/L (S)-stylopine. These results lay a foundation for understanding the structure-function relationship of CYP719A-mediated methylenedioxy bridge-formation and provide yeast strains for the BIAs production by synthetic biology.
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Affiliation(s)
- Xiuyu Liu
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China ,grid.256922.80000 0000 9139 560XSchool of Pharmaceutical Sciences, Henan University of Chinese Medicine, No. 156 Jinshuidong Road, Zhengzhou, 450046 China
| | - Xiang Jiao
- grid.5371.00000 0001 0775 6028Department of Biology and Biological Engineering, Chalmers University of Technology, Kemivägen 10, 41296 Gothenburg, Sweden
| | - Yatian Cheng
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Ying Ma
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Junling Bu
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Baolong Jin
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Qishuang Li
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Zhimin Hu
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Jinfu Tang
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Changjiangsheng Lai
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Jian Wang
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Guanghong Cui
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Yun Chen
- grid.5371.00000 0001 0775 6028Department of Biology and Biological Engineering, Chalmers University of Technology, Kemivägen 10, 41296 Gothenburg, Sweden
| | - Juan Guo
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
| | - Luqi Huang
- grid.410318.f0000 0004 0632 3409State Key Laboratory of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, No.16 Neinanxiaojie, Dongzhimen, Beijing, 100700 China
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Abstract
This study involves aporphine alkaloids identified through 13C Nuclear Magnetic Resonance (NMR) spectroscopic data. For the present publication, articles were selected from several databases on aporphine alkaloids from 1994 to 2021. In this class, more than 700 compounds have been registered, with 221 were included in this section, among which 122 were characterized for the first time in the investigated period. The study also addresses their biosynthetic pathways, classifying substances according to their structural characteristics based on established literature. Furthermore, pharmacological activities related to the aporphine alkaloids highlighted in this section are also presented, giving an overview of the various applications of these compounds.
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Hendrich JM, Wangorsch A, Rödel K, Jacob T, Mahler V, Wöhrl BM. Allergenicity and IgE Recognition of New Dau c 1 Allergens from Carrot. Mol Nutr Food Res 2023; 67:e2200421. [PMID: 36458641 DOI: 10.1002/mnfr.202200421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 10/18/2022] [Indexed: 12/05/2022]
Abstract
SCOPE Carrot (Daucus carota) allergy is caused by the major carrot allergen Dau c 1, which is a mixture of several isoallergens and variants with sequence identities of >67% or >90%, respectively. However, little is known about the qualitative and quantitative composition of natural Dau c 1. METHODS AND RESULTS Mass spectrometry of isolated natural Dau c 1 reveals the existence of several yet unknown Dau c 1-like proteins. The study expresses four Dau c 1-like proteins in Escherichia coli. Two of the purified proteins, designated Dau c 1.0501 and 1.0601, exhibit sequence identities to Dau c 1.0101 and 1.0401 between 54% and 87%. They possess allergenic potential and are accepted as new isoallergens. One protein, designated as Dau c 1-like is >50% identical with the new isoallergens but exhibits no allergenicity. Sequence and structural comparisons of this protein with the known Dau c 1 isoallergens offer relevant clues about putative structural IgE epitopes. CONCLUSION Identification of new isoallergens and the identification of IgE epitopes may contribute to a more refined component resolved diagnosis and may lay ground for further epitope mapping and personalized targeted treatment approaches of carrot allergy in preclinical and clinical studies.
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Affiliation(s)
- Julian M Hendrich
- Lehrstuhl Biochemie IV - Biophysikalische Chemie, Universität Bayreuth, Universitätsstrasse 30, D-95447, Bayreuth, Germany
| | - Andrea Wangorsch
- Molecular Allergology, Paul-Ehrlich-Institut, D-63225, Langen, Germany
| | - Katharina Rödel
- Lehrstuhl Biochemie IV - Biophysikalische Chemie, Universität Bayreuth, Universitätsstrasse 30, D-95447, Bayreuth, Germany
| | - Thessa Jacob
- Lehrstuhl Biochemie IV - Biophysikalische Chemie, Universität Bayreuth, Universitätsstrasse 30, D-95447, Bayreuth, Germany
| | - Vera Mahler
- Division of Allergology, Paul-Ehrlich-Institut, D-63225, Langen, Germany
| | - Birgitta M Wöhrl
- Lehrstuhl Biochemie IV - Biophysikalische Chemie, Universität Bayreuth, Universitätsstrasse 30, D-95447, Bayreuth, Germany
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Yu Y, Liu Y, Dong G, Jiang J, Leng L, Liu X, Zhang J, Liu A, Chen S. Functional characterization and key residues engineering of a regiopromiscuity O-methyltransferase involved in benzylisoquinoline alkaloid biosynthesis in Nelumbo nucifera. HORTICULTURE RESEARCH 2023; 10:uhac276. [PMID: 36789257 PMCID: PMC9923211 DOI: 10.1093/hr/uhac276] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 12/09/2022] [Accepted: 12/02/2022] [Indexed: 06/18/2023]
Abstract
Lotus (Nelumbo nucifera), an ancient aquatic plant, possesses a unique pharmacological activity that is primarily contributed by benzylisoquinoline alkaloids (BIAs). However, only few genes and enzymes involved in BIA biosynthesis in N. nucifera have been isolated and characterized. In the present study we identified the regiopromiscuity of an O-methyltransferase, designated NnOMT6, isolated from N. nucifera; NnOMT6 was found to catalyze the methylation of monobenzylisoquinoline 6-O/7-O, aporphine skeleton 6-O, phenylpropanoid 3-O, and protoberberine 2-O. We further probed the key residues affecting NnOMT6 activity via molecular docking and molecular dynamics simulation. Verification using site-directed mutagenesis revealed that residues D316, N130, L135, N176A, D269, and E328 were critical for BIA O-methyltransferase activities; furthermore, N323A, a mutant of NnOMT6, demonstrated a substantial increase in catalytic efficiency for BIAs and a broader acceptor scope compared with wild-type NnOMT6. To the best of our knowledge, this is the first study to report the O-methyltransferase activity of an aporphine skeleton without benzyl moiety substitutions in N. nucifera. The study findings provide biocatalysts for the semisynthesis of related medical compounds and give insights into protein engineering to strengthen O-methyltransferase activity in plants.
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Affiliation(s)
- Yuetong Yu
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, No. 16, Nanxiaojie, Dongzhimennei, Beijing 100700, China
| | - Yan Liu
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, No. 16, Nanxiaojie, Dongzhimennei, Beijing 100700, China
| | | | - JinZhu Jiang
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, No. 16, Nanxiaojie, Dongzhimennei, Beijing 100700, China
| | - Liang Leng
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, No. 16, Nanxiaojie, Dongzhimennei, Beijing 100700, China
| | - XianJu Liu
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, No. 16, Nanxiaojie, Dongzhimennei, Beijing 100700, China
| | - Jun Zhang
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, No. 16, Nanxiaojie, Dongzhimennei, Beijing 100700, China
| | - An Liu
- Corresponding author. E-mail: ;
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Feineis D, Bringmann G. Asian Ancistrocladus Lianas as Creative Producers of Naphthylisoquinoline Alkaloids. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2023; 119:1-335. [PMID: 36587292 DOI: 10.1007/978-3-031-10457-2_1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This book describes a unique class of secondary metabolites, the mono- and dimeric naphthylisoquinoline alkaloids. They occur in lianas of the paleotropical Ancistrocladaceae and Dioncophyllaceae families, exclusively. Their unprecedented structures include stereogenic centers and rotationally hindered, and thus likewise stereogenic, axes. Extended recent investigations on six Ancistrocladus species from Asia, as reported in this review, shed light on their fascinating phytochemical productivity, with over 100 such intriguing natural products. This high chemodiversity arises from a likewise unique biosynthesis from acetate-malonate units, following a novel polyketidic pathway to plant-derived isoquinoline alkaloids. Some of the compounds show most promising antiparasitic activities. Likewise presented are strategies for the regio- and stereoselective total synthesis of the alkaloids, including the directed construction of the chiral axis.
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Affiliation(s)
- Doris Feineis
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074, Würzburg, Germany.
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Shai K, Lebelo SL, Ng'ambi JW, Mabelebele M, Sebola NA. A review of the possibilities of utilising medicinal plants in improving the reproductive performance of male ruminants. ALL LIFE 2022. [DOI: 10.1080/26895293.2022.2147225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Affiliation(s)
- K. Shai
- Department of Agricultural Economics and Animal Production, University of Limpopo, Sovenga, South Africa
| | - S. L. Lebelo
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Pretoria, South Africa
| | - J. W. Ng'ambi
- Department of Agricultural Economics and Animal Production, University of Limpopo, Sovenga, South Africa
| | - M. Mabelebele
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Sciences, University of South Africa, Pretoria, South Africa
| | - N. A. Sebola
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Sciences, University of South Africa, Pretoria, South Africa
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Yang Y, Sun Y, Wang Z, Yin M, Sun R, Xue L, Huang X, Wang C, Yan X. Full-length transcriptome and metabolite analysis reveal reticuline epimerase-independent pathways for benzylisoquinoline alkaloids biosynthesis in Sinomenium acutum. FRONTIERS IN PLANT SCIENCE 2022; 13:1086335. [PMID: 36605968 PMCID: PMC9808091 DOI: 10.3389/fpls.2022.1086335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
Benzylisoquinoline alkaloids (BIAs) are a large family of plant natural products with important pharmaceutical applications. Sinomenium acutum is a medicinal plant from the Menispermaceae family and has been used to treat rheumatoid arthritis for hundreds of years. Sinomenium acutum contains more than 50 BIAs, and sinomenine is a representative BIA from this plant. Sinomenine was found to have preventive and curative effects on opioid dependence. Despite the broad applications of S. acutum, investigation on the biosynthetic pathways of BIAs from S. acutum is limited. In this study, we comprehensively analyzed the transcriptome data and BIAs in the root, stem, leaf, and seed of S. acutum. Metabolic analysis showed a noticeable difference in BIA contents in different tissues. Based on the study of the full-length transcriptome, differentially expressed genes, and weighted gene co-expression network, we proposed the biosynthetic pathways for a few BIAs from S. acutum, such as sinomenine, magnoflorine, and tetrahydropalmatine, and screened candidate genes involved in these biosynthesis processes. Notably, the reticuline epimerase (REPI/STORR), which converts (S)-reticuline to (R)-reticuline and plays an essential role in morphine and codeine biosynthesis, was not found in the transcriptome data of S. acutum. Our results shed light on the biogenesis of the BIAs in S. acutum and may pave the way for the future development of this important medicinal plant.
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Affiliation(s)
- Yufan Yang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
| | - Ying Sun
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- WuXi AppTec (Tianjin) Co., Ltd., Tianjin, China
| | - Zhaoxin Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
| | - Maojing Yin
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- School of Medicine, Foshan University, Foshan, Guangdong, China
| | - Runze Sun
- Hunan Provincial Key Laboratory for Synthetic Biology of Traditional Chinese Medicine, Hunan University of Medicine, Huaihua, Hunan, China
| | - Lu Xue
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
| | - Xueshuang Huang
- Hunan Provincial Key Laboratory for Synthetic Biology of Traditional Chinese Medicine, Hunan University of Medicine, Huaihua, Hunan, China
| | - Chunhua Wang
- School of Medicine, Foshan University, Foshan, Guangdong, China
| | - Xiaohui Yan
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
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Amin E, Abdel-Bakky MS, Mohammed HA, Hassan MHA. Chemical Profiling and Molecular Docking Study of Agathophora alopecuroides. LIFE (BASEL, SWITZERLAND) 2022; 12:life12111852. [PMID: 36430987 PMCID: PMC9696702 DOI: 10.3390/life12111852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/02/2022] [Accepted: 11/07/2022] [Indexed: 11/16/2022]
Abstract
Natural products continue to provide inspiring chemical moieties that represent a key stone in the drug discovery process. As per our previous research, the halophyte Agathophora alopecuroides was noted as a potential antidiabetic plant. However, the chemical profiling and highlighting the metabolite(s) responsible for the observed antidiabetic activity still need to be investigated. Accordingly, the present study presents the chemical profiling of this species using the LC-HRMS/MS technique followed by a study of the ligand-protein interaction using the molecular docking method. LC-HRMS/MS results detected twenty-seven compounds in A. alopecuroides extract (AAE) belonging to variable chemical classes. Among the detected compounds, alkaloids, flavonoids, lignans, and iridoids were the most prevailing. In order to highlight the bioactive compounds in AAE, the molecular docking technique was adopted. Results suggested that the two alkaloids (Eburnamonine and Isochondrodendrine) as well as the four flavonoids (Narirutin, Pelargonidin 3-O-rutinoside, Sophora isoflavanone A, and Dracorubin) were responsible for the observed antidiabetic activity. It is worth mentioning that this is the first report for the metabolomic profiling of A. alopecuroides as well as the antidiabetic potential of Isochondrodendrine, Sophora isoflavanone A, and Dracorubin that could be a promising target for an antidiabetic drug.
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Affiliation(s)
- Elham Amin
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraydah 51452, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Mohamed Sadek Abdel-Bakky
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Buraydah 51452, Saudi Arabia
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Cairo 11751, Egypt
| | - Hamdoon A. Mohammed
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraydah 51452, Saudi Arabia
- Department of Pharmacognosy and Medicinal Plants, Faculty of Pharmacy, Al-Azhar University, Cairo 11751, Egypt
| | - Marwa H. A. Hassan
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
- Correspondence: or ; Tel.: +2-012-7898-2288; Fax: +2-(082)-2317958
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Roy NS, Park NI, Kim NS, Park Y, Kim BY, Kim YD, Yu JK, Kim YI, Um T, Kim S, Choi IY. Comparative Transcriptomics for Genes Related to Berberine and Berbamine Biosynthesis in Berberidaceae. PLANTS (BASEL, SWITZERLAND) 2022; 11:2676. [PMID: 36297700 PMCID: PMC9610958 DOI: 10.3390/plants11202676] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/04/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Berberine and berbamine are bioactive compounds of benzylisoquinoline alkaloids (BIAs) present in Berberis species. The contents of berbamine are 20 times higher than berberine in leaf tissues in three closely related species: Berberis koreana, B. thunbergii and B. amurensis. This is the first report on the quantification of berberine compared to the berbamine in the Berberis species. Comparative transcriptome analyses were carried out with mRNAs from the leaf tissues of the three-species. The comparison of the transcriptomes of B. thunbergii and B. amurensis to those of B. koreana, B. thunbergii showed a consistently higher number of differentially expressed genes than B. amurensis in KEGG and DEG analyses. All genes encoding enzymes involved in berberine synthesis were identified and their expressions were variable among the three species. There was a single copy of CYP80A/berbamunine synthase in B. koreana. Methyltransferases and cytochrome P450 mono-oxidases (CYPs) are key enzymes for BIA biosynthesis. The current report contains the copy numbers and other genomic characteristics of the methyltransferases and CYPs in Berberis species. Thus, the contents of the current research are valuable for molecular characterization for the medicinal utilization of the Berberis species.
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Affiliation(s)
- Neha Samir Roy
- Agriculture and Life Sciences Research Institute, Kangwon National University, Chuncheon 24341, Korea
| | - Nam-Il Park
- Department of Plant Science, Gangneung-Wonju National University, Gangneung 25457, Korea
| | - Nam-Soo Kim
- NBIT, Kangwon National University, Gangwondaehakgil-1, Bodeumkwan 504, Chuncheon 24341, Korea
| | - Yeri Park
- Department of Plant Science, Gangneung-Wonju National University, Gangneung 25457, Korea
| | - Bo-Yun Kim
- Plant Resources Division, National Institute of Biological Resources, Incheon 22689, Korea
| | - Young-Dong Kim
- Department of Life Science, Multidisciplinary Genome Institute, Hallym University, Chuncheon 24252, Korea
| | - Ju-Kyung Yu
- Syngenta Crop Protection LLC, 9 Davis Drive, Research Triangle Park, NC 27709, USA
| | - Yong-In Kim
- On Biological Resource Research Institute, Chuncheon 24239, Korea
| | - Taeyoung Um
- Agriculture and Life Sciences Research Institute, Kangwon National University, Chuncheon 24341, Korea
| | - Soonok Kim
- Microorganism Resources Division, National Institute of Biological Resources, Incheon 22689, Korea
| | - Ik-Young Choi
- Agriculture and Life Sciences Research Institute, Kangwon National University, Chuncheon 24341, Korea
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Godbole RC, Pable AA, Singh S, Barvkar VT. Interplay of transcription factors orchestrating the biosynthesis of plant alkaloids. 3 Biotech 2022; 12:250. [PMID: 36051988 PMCID: PMC9424429 DOI: 10.1007/s13205-022-03316-x] [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: 04/11/2022] [Accepted: 08/16/2022] [Indexed: 11/29/2022] Open
Abstract
Plants produce a range of secondary metabolites primarily as defence molecules. A plant has to invest considerable energy to synthesise alkaloids, and sometimes they are even toxic to themselves. Hence, the biosynthesis of alkaloids is a spatiotemporally regulated process under quantitative feedback regulation which is accomplished by the signal reception, transcriptional/translational regulation, transport, storage and accumulation. The transcription factors (TFs) initiate the biosynthesis of alkaloids after appropriate cues. The present study recapitulates last decade understanding of the role of TFs in alkaloid biosynthesis. The present review discusses TF families, viz. AP2/ERF, bHLH, WRKY, MYB involved in the biosynthesis of various types of alkaloids. It also highlights the role of the jasmonic acid cascade and post-translational modifications of TF proteins. A thorough understanding of TFs will help us to decide a strategy to facilitate successful pathway manipulation and in vitro production.
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Affiliation(s)
- Rucha C. Godbole
- Department of Botany, Savitribai Phule Pune University, Pune, 411007 India
| | - Anupama A. Pable
- Department of Microbiology, Savitribai Phule Pune University, Pune, 411007 India
| | - Sudhir Singh
- Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre (BARC), Mumbai, 400085 India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400094 India
| | - Vitthal T. Barvkar
- Department of Botany, Savitribai Phule Pune University, Pune, 411007 India
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39
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Synthesis of Tetrahydroisoquinoline-Alkaloid Analogs with a Diphenyloxide Fragment. Chem Nat Compd 2022. [DOI: 10.1007/s10600-022-03825-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Wang Y, Subrizi F, Carter EM, Sheppard TD, Ward JM, Hailes HC. Enzymatic synthesis of benzylisoquinoline alkaloids using a parallel cascade strategy and tyrosinase variants. Nat Commun 2022; 13:5436. [PMID: 36114194 PMCID: PMC9481557 DOI: 10.1038/s41467-022-33122-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 09/02/2022] [Indexed: 12/02/2022] Open
Abstract
Benzylisoquinoline alkaloid derived pharmaceuticals are widely applied in modern medicines. Recent studies on the microbial production of benzylisoquinolines have highlighted key biological syntheses towards these natural products. Routes to non-natural benzylisoquinolines have been less explored, particularly halogenated compounds which are more challenging. Here, we show the use of a tyrosinase, tyrosine decarboxylase, transaminase, and norcoclaurine synthase which are combined in a parallel cascade design, in order to generate halogenated benzylisoquinoline alkaloids in high enantiomeric excess. Notably, mutagenesis studies are applied to generate tyrosinase mutants, which enhance the acceptance of halogenated tyrosines for use in the biocatalytic cascades developed.
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Affiliation(s)
- Yu Wang
- Department of Chemistry, Christopher Ingold Building, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - Fabiana Subrizi
- Department of Chemistry, Christopher Ingold Building, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - Eve M Carter
- Department of Chemistry, Christopher Ingold Building, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - Tom D Sheppard
- Department of Chemistry, Christopher Ingold Building, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - John M Ward
- Department of Biochemical Engineering, Bernard Katz Building, University College London, London, WC1E 6BT, UK
| | - Helen C Hailes
- Department of Chemistry, Christopher Ingold Building, University College London, 20 Gordon Street, London, WC1H 0AJ, UK.
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41
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Meza A, Campbell ME, Zmich A, Thein SA, Grieger AM, McGill MJ, Willoughby PH, Buller AR. Efficient chemoenzymatic synthesis of α-aryl aldehydes as intermediates in C-C bond forming biocatalytic cascades. ACS Catal 2022; 12:10700-10710. [PMID: 36420479 PMCID: PMC9681013 DOI: 10.1021/acscatal.2c02369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Multi-enzyme biocatalytic cascades are emerging as practical routes for the synthesis of complex bioactive molecules. However, the relative sparsity of water-stable carbon electrophiles limits the synthetic complexity of molecules made from such cascades. Here, we develop a chemoenzymatic platform that leverages styrene oxide isomerase (SOI) to covert readily accessible aryl epoxides into α-aryl aldehydes through a Meinwald rearrangement. These unstable aldehyde intermediates are then intercepted with a C-C bond forming enzyme, ObiH, that catalyzes a transaldolase reaction with l-threonine to yield synthetically challenging β-hydroxy-α-amino acids. Co-expression of both enzymes in E. coli yields a whole cell biocatalyst capable of synthesizing a variety of stereopure non-standard amino acids (nsAA) and can be produced on gram-scale. We used isotopically labelled substrates to probe the mechanism of SOI, which we show catalyzes a concerted isomerization featuring a stereospecific 1,2-hydride shift. The viability of in situ generated α-aryl aldehydes was further established by intercepting them with a recently engineered decarboxylative aldolase to yield γ-hydroxy nsAAs. Together, these data establish a versatile method of producing α-aryl aldehydes in simple, whole cell conditions and show that these intermediates are useful synthons in C‒C bond forming cascades.
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Affiliation(s)
- Anthony Meza
- Department of Biochemistry, University of Wisconsin−Madison, 433 Babcock Drive, Madison, Wisconsin 53706, United States
| | - Meghan E. Campbell
- Department of Chemistry, University of Wisconsin−Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Anna Zmich
- Department of Biochemistry, University of Wisconsin−Madison, 433 Babcock Drive, Madison, Wisconsin 53706, United States
| | - Sierra A. Thein
- Chemistry Department, Ripon College, 300 W Seward St., Ripon, Wisconsin 54971, United States
| | - Abbigail M. Grieger
- Chemistry Department, Ripon College, 300 W Seward St., Ripon, Wisconsin 54971, United States
| | - Matthew J. McGill
- Department of Chemistry, University of Wisconsin−Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Patrick H. Willoughby
- Department of Chemistry, University of Wisconsin−Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
- Chemistry Department, Ripon College, 300 W Seward St., Ripon, Wisconsin 54971, United States
| | - Andrew R. Buller
- Department of Biochemistry, University of Wisconsin−Madison, 433 Babcock Drive, Madison, Wisconsin 53706, United States
- Department of Chemistry, University of Wisconsin−Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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42
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Scharf MJ, List B. A Catalytic Asymmetric Pictet-Spengler Platform as a Biomimetic Diversification Strategy toward Naturally Occurring Alkaloids. J Am Chem Soc 2022; 144:15451-15456. [PMID: 35976162 PMCID: PMC9446894 DOI: 10.1021/jacs.2c06664] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
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Tetrahydroisoquinoline (THIQ) alkaloids constitute a
large and
diverse class of bioactive natural products, with the parent compounds
and related downstream biosynthetic secondary metabolites spanning
thousands of isolated structures. Chemoenzymatic synthetic approaches
toward the relevant THIQs rely on Pictet–Spenglerases such
as norcoclaurine synthase (NCS), the scope of which is strictly limited
to dopamine-related phenolic substrates. To overcome these limitations
in the context of chemical synthesis, we herein report asymmetric
Pictet–Spengler reactions of N-carbamoyl-β-arylethylamines
with diverse aldehydes toward enantioenriched THIQs. The obtained
products proved to be competent intermediates in the synthesis of
THIQ, aporphine, tetrahydroberberine, morphinan, and androcymbine
natural products. Novel catalyst design with regard to the stabilization
of cationic intermediates was crucial to accomplish high reactivity
while simultaneously achieving unprecedented stereoselectivity for
the reaction of biologically relevant substrates.
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Affiliation(s)
- Manuel J Scharf
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470Mülheim an der Ruhr, Germany
| | - Benjamin List
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470Mülheim an der Ruhr, Germany
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Abstract
Tetrahydropapaverine (THP) and papaverine are plant natural products with clinically significant roles. THP is a precursor in the production of the drugs atracurium and cisatracurium, and papaverine is used as an antispasmodic during vascular surgery. In recent years, metabolic engineering advances have enabled the production of natural products through heterologous expression of pathway enzymes in yeast. Heterologous biosynthesis of THP and papaverine could play a role in ensuring a stable supply of these clinically significant products. Biosynthesis of THP and papaverine has not been achieved to date, in part because multiple pathway enzymes have not been elucidated. Here, we describe the development of an engineered yeast strain for de novo biosynthesis of THP. The production of THP is achieved through heterologous expression of two enzyme variants with activity on nonnative substrates. Through protein engineering, we developed a variant of N-methylcoclaurine hydroxylase with activity on coclaurine, enabling de novo norreticuline biosynthesis. Similarly, we developed a variant of scoulerine 9-O-methyltransferase capable of O-methylating 1-benzylisoquinoline alkaloids at the 3' position, enabling de novo THP biosynthesis. Flux through the heterologous pathway was improved by knocking out yeast multidrug resistance transporters and optimization of media conditions. Overall, strain engineering increased the concentration of biosynthesized THP 600-fold to 121 µg/L. Finally, we demonstrate a strategy for papaverine semisynthesis using hydrogen peroxide as an oxidizing agent. Through optimizing pH, temperature, reaction time, and oxidizing agent concentration, we demonstrated the ability to produce semisynthesized papaverine through oxidation of biosynthesized THP.
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Chang M, Kim JY, Lee H, Lee EJ, Lee WH, Moon S, Choe S, Choung CM. Development of diagnostic SNP markers and a novel SNP genotyping assay for distinguishing opium poppies. Forensic Sci Int 2022; 339:111416. [DOI: 10.1016/j.forsciint.2022.111416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/14/2022] [Accepted: 08/02/2022] [Indexed: 11/04/2022]
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A functionally conserved STORR gene fusion in Papaver species that diverged 16.8 million years ago. Nat Commun 2022; 13:3150. [PMID: 35672295 PMCID: PMC9174169 DOI: 10.1038/s41467-022-30856-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 05/23/2022] [Indexed: 11/08/2022] Open
Abstract
AbstractThe STORR gene fusion event is considered essential for the evolution of the promorphinan/morphinan subclass of benzylisoquinoline alkaloids (BIAs) in opium poppy as the resulting bi-modular protein performs the isomerization of (S)- to (R)-reticuline essential for their biosynthesis. Here, we show that of the 12 Papaver species analysed those containing the STORR gene fusion also contain promorphinans/morphinans with one important exception. P. californicum encodes a functionally conserved STORR but does not produce promorphinans/morphinans. We also show that the gene fusion event occurred only once, between 16.8-24.1 million years ago before the separation of P. californicum from other Clade 2 Papaver species. The most abundant BIA in P. californicum is (R)-glaucine, a member of the aporphine subclass of BIAs, raising the possibility that STORR, once evolved, contributes to the biosynthesis of more than just the promorphinan/morphinan subclass of BIAs in the Papaveraceae.
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Mora-Vásquez S, Wells-Abascal GG, Espinosa-Leal C, Cardineau GA, García-Lara S. Application of metabolic engineering to enhance the content of alkaloids in medicinal plants. Metab Eng Commun 2022; 14:e00194. [PMID: 35242556 PMCID: PMC8881666 DOI: 10.1016/j.mec.2022.e00194] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/27/2022] [Accepted: 02/13/2022] [Indexed: 12/22/2022] Open
Abstract
Plants are a rich source of bioactive compounds, many of which have been exploited for cosmetic, nutritional, and medicinal purposes. Through the characterization of metabolic pathways, as well as the mechanisms responsible for the accumulation of secondary metabolites, researchers have been able to increase the production of bioactive compounds in different plant species for research and commercial applications. The intent of the current review is to describe the metabolic engineering methods that have been used to transform in vitro or field-grown medicinal plants over the last decade and to identify the most effective approaches to increase the production of alkaloids. The articles summarized were categorized into six groups: endogenous enzyme overexpression, foreign enzyme overexpression, transcription factor overexpression, gene silencing, genome editing, and co-overexpression. We conclude that, because of the complex and multi-step nature of biosynthetic pathways, the approach that has been most commonly used to increase the biosynthesis of alkaloids, and the most effective in terms of fold increase, is the co-overexpression of two or more rate-limiting enzymes followed by the manipulation of regulatory genes.
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Affiliation(s)
- Soledad Mora-Vásquez
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, 64849, Monterrey, Nuevo León, Mexico
| | | | - Claudia Espinosa-Leal
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, 64849, Monterrey, Nuevo León, Mexico
| | - Guy A. Cardineau
- Arizona State University, Beus Center for Law and Society, Mail Code 9520, 111 E. Taylor Street, Phoenix, AZ, 85004-4467, USA
| | - Silverio García-Lara
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, 64849, Monterrey, Nuevo León, Mexico
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Sun H, Song H, Deng X, Liu J, Yang D, Zhang M, Wang Y, Xin J, Chen L, Liu Y, Yang M. Transcriptome-Wide Characterization of Alkaloids and Chlorophyll Biosynthesis in Lotus Plumule. FRONTIERS IN PLANT SCIENCE 2022; 13:885503. [PMID: 35677240 PMCID: PMC9168470 DOI: 10.3389/fpls.2022.885503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
Lotus plumule is a green tissue in the middle of seeds that predominantly accumulates bisbenzylisoquinoline alkaloids (bis-BIAs) and chlorophyll (Chl). However, the biosynthetic mechanisms of these two metabolites remain largely unknown in lotus. This study used physiological and RNA sequencing (RNA-Seq) approaches to characterize the development and molecular mechanisms of bis-BIAs and Chl biosynthesis in lotus plumule. Physiological analysis revealed that exponential plumule growth occurred between 9 and 15 days after pollination (DAP), which coincided with the onset of bis-BIAs biosynthesis and its subsequent rapid accumulation. Transcriptome analysis of lotus plumule identified a total of 8,725 differentially expressed genes (DEGs), representing ~27.7% of all transcripts in the lotus genome. Sixteen structural DEGs, potentially associated with bis-BIAs biosynthesis, were identified. Of these, 12 encoded O-methyltransferases (OMTs) are likely involved in the methylation and bis-BIAs diversity in lotus. In addition, functionally divergent paralogous and redundant homologous gene members of the BIAs biosynthesis pathway, as well as transcription factors co-expressed with bis-BIAs and Chl biosynthesis genes, were identified. Twenty-two genes encoding 16 conserved enzymes of the Chl biosynthesis pathway were identified, with the majority being significantly upregulated by Chl biosynthesis. Photosynthesis and Chl biosynthesis pathways were simultaneously activated during lotus plumule development. Moreover, our results showed that light-driven Pchlide reduction is essential for Chl biosynthesis in the lotus plumule. These results will be useful for enhancing our understanding of alkaloids and Chl biosynthesis in plants.
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Affiliation(s)
- Heng Sun
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- Hubei Key Laboratory of Wetland Evolution and Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
| | - Heyun Song
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xianbao Deng
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- Hubei Key Laboratory of Wetland Evolution and Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
| | - Juan Liu
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- Hubei Key Laboratory of Wetland Evolution and Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
| | - Dong Yang
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- Hubei Key Laboratory of Wetland Evolution and Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
| | - Minghua Zhang
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yuxin Wang
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jia Xin
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Lin Chen
- Center of Applied Biotechnology, Wuhan Institute of Bioengineering, Wuhan, China
| | - Yanling Liu
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- Hubei Key Laboratory of Wetland Evolution and Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
| | - Mei Yang
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
- Hubei Key Laboratory of Wetland Evolution and Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
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48
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da Silva Mesquita R, Kyrylchuk A, Cherednichenko A, Costa Sá IS, Macedo Bastos L, Moura Araújo da Silva F, Saraiva Nunomura RDC, Grafov A. In Vitro and In Silico Evaluation of Cholinesterase Inhibition by Alkaloids Obtained from Branches of Abuta panurensis Eichler. Molecules 2022; 27:molecules27103138. [PMID: 35630611 PMCID: PMC9144276 DOI: 10.3390/molecules27103138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 11/16/2022] Open
Abstract
Alkaloids are natural products known as ethnobotanicals that have attracted increasing attention due to a wide range of their pharmacological properties. In this study, cholinesterase inhibitors were obtained from branches of Abuta panurensis Eichler (Menispermaceae), an endemic species from the Amazonian rainforest. Five alkaloids were isolated, and their structure was elucidated by a combination of 1D and 2D 1H and 13C NMR spectroscopy, HPLC-MS, and high-resolution MS: Lindoldhamine isomer m/z 569.2674 (1), stepharine m/z 298.1461 (2), palmatine m/z 352.1616 (3), 5-N-methylmaytenine m/z 420.2669 (4) and the N-trans-feruloyltyramine m/z 314.1404 (5). The compounds 1, 3, and 5 were isolated from A. panurensis for the first time. Interaction of the above-mentioned alkaloids with acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) enzymes was investigated in silico by molecular docking and molecular dynamics. The molecules under investigation were able to bind effectively with the active sites of the AChE and BChE enzymes. The compounds 1–4 demonstrated in vitro an inhibitory effect on acetylcholinesterase with IC50 values in the range of 19.55 µM to 61.24 µM. The data obtained in silico corroborate the results of AChE enzyme inhibition.
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Affiliation(s)
- Rochelly da Silva Mesquita
- Analytical Central—Multidisciplinary Support Center—CAM, Federal University of Amazonas—UFAM, Manaus 69077-000, Amazonas, Brazil; (R.d.S.M.); (I.S.C.S.); (L.M.B.); (F.M.A.d.S.); (R.d.C.S.N.)
| | - Andrii Kyrylchuk
- Institute of Organic Chemistry, National Academy of Sciences—NAS, 5 Murmanska Str., 02660 Kyiv, Ukraine;
- Chemspace LLC, Of. 1, 85 Chervonotkatska Str., 02094 Kyiv, Ukraine
| | - Anton Cherednichenko
- Latvian Institute of Organic Synthesis, Aizkraukles 21, 1006 Riga, Latvia;
- Institute of High Technologies, T. Shevchenko National University, 4-g Prosp. Glushkova, 03022 Kyiv, Ukraine
| | - Ingrity Suelen Costa Sá
- Analytical Central—Multidisciplinary Support Center—CAM, Federal University of Amazonas—UFAM, Manaus 69077-000, Amazonas, Brazil; (R.d.S.M.); (I.S.C.S.); (L.M.B.); (F.M.A.d.S.); (R.d.C.S.N.)
| | - Lílian Macedo Bastos
- Analytical Central—Multidisciplinary Support Center—CAM, Federal University of Amazonas—UFAM, Manaus 69077-000, Amazonas, Brazil; (R.d.S.M.); (I.S.C.S.); (L.M.B.); (F.M.A.d.S.); (R.d.C.S.N.)
| | - Felipe Moura Araújo da Silva
- Analytical Central—Multidisciplinary Support Center—CAM, Federal University of Amazonas—UFAM, Manaus 69077-000, Amazonas, Brazil; (R.d.S.M.); (I.S.C.S.); (L.M.B.); (F.M.A.d.S.); (R.d.C.S.N.)
| | - Rita de Cássia Saraiva Nunomura
- Analytical Central—Multidisciplinary Support Center—CAM, Federal University of Amazonas—UFAM, Manaus 69077-000, Amazonas, Brazil; (R.d.S.M.); (I.S.C.S.); (L.M.B.); (F.M.A.d.S.); (R.d.C.S.N.)
- Department of Chemistry, Federal University of Amazonas-UFAM, Manaus 69077-000, Amazonas, Brazil
| | - Andriy Grafov
- Department of Chemistry, University of Helsinki, A.I. Virtasen Aukio 1, 00560 Helsinki, Finland
- Correspondence: ; Tel.: +358-2-94150-221
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Yasukawa T, Sakamoto K, Yamashita Y, Kobayashi S. Homologation of Aryl Aldehydes Using Nitromethane as a C1 Source Enabled by Nitrogen-Doped Carbon-Supported Palladium Catalysts. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tomohiro Yasukawa
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Karin Sakamoto
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Yasuhiro Yamashita
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shu̅ Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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50
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Halkier BA, Xu D. The ins and outs of transporters at plasma membrane and tonoplast in plant specialized metabolism. Nat Prod Rep 2022; 39:1483-1491. [PMID: 35481602 DOI: 10.1039/d2np00016d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Covering: up to 2022Plants are organic chemists par excellence and produce an amazing array of diverse chemical structures. Whereas primary metabolites are essential for all living organisms and highly conserved, the specialized metabolites constitute the taxonomy-specific chemical languages that are key for fitness and survival. Allocation of plants' wide array of specialized metabolites in patterns that are fine-tuned spatiotemporally is essential for adaptation to the ever-changing environment and requires transport processes. Thus advancing our knowledge about transporters is important as also evidenced by the increasing number of transporters that control key quality traits in agriculture. In this review, we will highlight recently identified transporters and new insights related to already known transporters of plant specialized metabolites. Focus will be on the transport mechanism revealed by the biochemical characterization and how that links to its function in planta.
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Affiliation(s)
- Barbara Ann Halkier
- DynaMo Center of Excellence, Copenhagen Plant Science Center, Department of Plant and Environmental Sciences, University of Copenhagen, Denmark.
| | - Deyang Xu
- DynaMo Center of Excellence, Copenhagen Plant Science Center, Department of Plant and Environmental Sciences, University of Copenhagen, Denmark.
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