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Jakobina M, Łyczko J, Szumny A, Galek R. The influence of cultivation conditions on the formation of psychoactive salvinorin A, salvinorin B, rosmarinic acid and caffeic acid in Coleus scutellarioides. Sci Rep 2024; 14:6693. [PMID: 38509159 PMCID: PMC10954737 DOI: 10.1038/s41598-024-57399-y] [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: 12/08/2023] [Accepted: 03/18/2024] [Indexed: 03/22/2024] Open
Abstract
Coleus scutellarioides (L.) Benh. is a popular species in the world, known for its characteristic magnificent colourful leaves. The study has revealed that the contents of rosmarinic acid and caffeic acid are significantly higher in the plant tissues cultivated in vivo than when under in vitro conditions. The performed qualitative and quantitative analyses confirmed the presence (whose averaged content) of salvinorin A (6.65 µg/1 g of fresh plant) and salvinorin B (50.46 µg/1 g of fresh plant) in tissues of Coleus scutellarioides (L.) Benh. of 'Electric lime' variety. The greatest quantities of these compounds were recorded for plants cultivated in vitro on the MS medium enriched with NAA (naphthyl-1-acetic acid) at a concentration of 0.5 mg∙ dm-3. The research detected differences in the amounts of compounds between plants grown in vivo and those cultivated in vitro. Addition of plant growth regulators into the breeding medium under in vitro conditions was found affecting the amounts of compounds in plant tissues.
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Affiliation(s)
- Maciej Jakobina
- Department of Genetics, Plant Breeding and Seed Production, Faculty of Life Sciences and Technology, Wrocław University of Environmental and Life Sciences, Grunwaldzki Square 24A, 50-363, Wrocław, Poland.
| | - Jacek Łyczko
- Department of Food Chemistry and Biocatalysis, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, Norwida 25, 53-375, Wrocław, Poland
| | - Antoni Szumny
- Department of Food Chemistry and Biocatalysis, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, Norwida 25, 53-375, Wrocław, Poland
| | - Renata Galek
- Department of Genetics, Plant Breeding and Seed Production, Faculty of Life Sciences and Technology, Wrocław University of Environmental and Life Sciences, Grunwaldzki Square 24A, 50-363, Wrocław, Poland
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2
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Yang X, Zheng S, Wang X, Wang J, Ali Shah SB, Wang Y, Gao R, Xu Z. Advances in pharmacology, biosynthesis, and metabolic engineering of Scutellaria-specialized metabolites. Crit Rev Biotechnol 2024; 44:302-318. [PMID: 36581326 DOI: 10.1080/07388551.2022.2149386] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/11/2022] [Accepted: 11/02/2022] [Indexed: 12/31/2022]
Abstract
Scutellaria Linn., which belongs to the family Lamiaceae, is a commonly used medicinal plant for heat clearing and detoxification. In particular, the roots of S. baicalensis and the entire herb of S. barbata have been widely used in traditional medicine for thousands of years. The main active components of Scutellaria, including: baicalein, wogonin, norwogonin, scutellarein, and their glycosides have potential or existing drug usage. However, the wild resources of Scutellaria plants have been overexploited, and degenerated germplasm resources cannot fulfill the requirements of chemical extraction and clinical usage. Metabolic engineering and green production via microorganisms provide alternative strategies for greater efficiency in the production of natural products. Here, we review the progress of: pharmacological investigations, multi-omics, biosynthetic pathways, and metabolic engineering of various Scutellaria species and their active compounds. In addition, based on multi-omics data, we systematically analyze the phylogenetic relationships of Scutellaria and predict candidate transcription factors related to the regulation of active flavonoids. Finally, we propose the prospects of directed evolution of core enzymes and genome-assisted breeding to alleviate the shortage of plant resources of Scutellaria. This review provides important insights into the sustainable utilization and development of Scutellaria resources.
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Affiliation(s)
- Xinyi Yang
- Ministry of Education, Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
| | - Sihao Zheng
- China National Traditional Chinese Medicine Co., Ltd, Beijing, China
| | - Xiaotong Wang
- Ministry of Education, Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
| | - Jing Wang
- Ministry of Education, Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
| | - Syed Basit Ali Shah
- Ministry of Education, Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
| | - Yu Wang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Ranran Gao
- The Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zhichao Xu
- Ministry of Education, Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
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3
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Zhao Y, Liang Y, Luo G, Li Y, Han X, Wen M. Sequence-Structure Analysis Unlocking the Potential Functional Application of the Local 3D Motifs of Plant-Derived Diterpene Synthases. Biomolecules 2024; 14:120. [PMID: 38254720 PMCID: PMC10813164 DOI: 10.3390/biom14010120] [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: 12/12/2023] [Revised: 12/31/2023] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Plant-derived diterpene synthases (PdiTPSs) play a critical role in the formation of structurally and functionally diverse diterpenoids. However, the specificity or functional-related features of PdiTPSs are not well understood. For a more profound insight, we collected, constructed, and curated 199 functionally characterized PdiTPSs and their corresponding 3D structures. The complex correlations among their sequences, domains, structures, and corresponding products were comprehensively analyzed. Ultimately, our focus narrowed to the geometric arrangement of local structures. We found that local structural alignment can rapidly localize product-specific residues that have been validated by mutagenesis experiments. Based on the 3D motifs derived from the residues around the substrate, we successfully searched diterpene synthases (diTPSs) from the predicted terpene synthases and newly characterized PdiTPSs, suggesting that the identified 3D motifs can serve as distinctive signatures in diTPSs (I and II class). Local structural analysis revealed the PdiTPSs with more conserved amino acid residues show features unique to class I and class II, whereas those with fewer conserved amino acid residues typically exhibit product diversity and specificity. These results provide an attractive method for discovering novel or functionally equivalent enzymes and probing the product specificity in cases where enzyme characterization is limited.
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Affiliation(s)
- Yalan Zhao
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, China; (Y.Z.); (Y.L.); (G.L.); (X.H.)
- Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, Yunnan Institute of Microbiology, School of Life Sciences, Yunnan University, Kunming 650091, China
| | - Yupeng Liang
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, China; (Y.Z.); (Y.L.); (G.L.); (X.H.)
- Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, Yunnan Institute of Microbiology, School of Life Sciences, Yunnan University, Kunming 650091, China
| | - Gan Luo
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, China; (Y.Z.); (Y.L.); (G.L.); (X.H.)
- Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, Yunnan Institute of Microbiology, School of Life Sciences, Yunnan University, Kunming 650091, China
| | - Yi Li
- College of Mathematics and Computer Science, Dali University, Dali 671003, China
| | - Xiulin Han
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, China; (Y.Z.); (Y.L.); (G.L.); (X.H.)
- Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, Yunnan Institute of Microbiology, School of Life Sciences, Yunnan University, Kunming 650091, China
| | - Mengliang Wen
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, China; (Y.Z.); (Y.L.); (G.L.); (X.H.)
- Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, Yunnan Institute of Microbiology, School of Life Sciences, Yunnan University, Kunming 650091, China
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Qiu T, Li Y, Wu H, Yang H, Peng Z, Du Z, Wu Q, Wang H, Shen Y, Huang L. Tandem duplication and sub-functionalization of clerodane diterpene synthase originate the blooming of clerodane diterpenoids in Scutellaria barbata. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 116:375-388. [PMID: 37395679 DOI: 10.1111/tpj.16377] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 06/27/2023] [Accepted: 06/29/2023] [Indexed: 07/04/2023]
Abstract
Scutellaria barbata is a traditional Chinese herb medicine and a major source of bioactive clerodane diterpenoids. However, barely clerodanes have been isolated from the closely related S. baicalensis. Here we assembled a chromosome-level genome of S. barbata and identified three class II clerodane diterpene synthases (SbarKPS1, SbarKPS2 and SbaiKPS1) from these two organisms. Using in vitro and in vivo assays, SbarKPS1 was characterized as a monofunctional (-)-kolavenyl diphosphate synthases ((-)-KPS), while SbarKPS2 and SbaiKPS1 produced major neo-cleroda-4(18),13E-dienyl diphosphate with small amount of (-)-KPP. SbarKPS1 and SbarKPS2 shared a high protein sequence identity and formed a tandem gene pair, indicating tandem duplication and sub-functionalization probably led to the evolution of monofunctional (-)-KPS in S. barbata. Additionally, SbarKPS1 and SbarKPS2 were primarily expressed in the leaves and flowers of S. barbata, which was consistent with the distribution of major clerodane diterpenoids scutebarbatine A and B. In contrast, SbaiKPS1 was barely expressed in any tissue of S. baicalensis. We further explored the downstream class I diTPS by functional characterizing of SbarKSL3 and SbarKSL4. Unfortunately, no dephosphorylated product was detected in the coupled assays with SbarKSL3/KSL4 and four class II diTPSs (SbarKPS1, SbarKPS2, SbarCPS2 and SbarCPS4) when a phosphatase inhibitor cocktail was included. Co-expression of SbarKSL3/KSL4 with class II diTPSs in yeast cells did not increase the yield of the corresponding dephosphorylated products, either. Together, these findings elucidated the involvement of two class II diTPSs in clerodane biosynthesis in S. barbata, while the class I diTPS is likely not responsible for the subsequent dephosphorylation step.
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Affiliation(s)
- Ting Qiu
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - YangYan Li
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Haisheng Wu
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Hui Yang
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Ziqiu Peng
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Zuying Du
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Qingwen Wu
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Hongbin Wang
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yanting Shen
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Lili Huang
- Institute of Medicinal Plant Physiology and Ecology, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
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5
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Li H, Wu S, Lin R, Xiao Y, Malaco Morotti AL, Wang Y, Galilee M, Qin H, Huang T, Zhao Y, Zhou X, Yang J, Zhao Q, Kanellis AK, Martin C, Tatsis EC. The genomes of medicinal skullcaps reveal the polyphyletic origins of clerodane diterpene biosynthesis in the family Lamiaceae. MOLECULAR PLANT 2023; 16:549-570. [PMID: 36639870 DOI: 10.1016/j.molp.2023.01.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 11/21/2022] [Accepted: 01/09/2023] [Indexed: 06/09/2023]
Abstract
The presence of anticancer clerodane diterpenoids is a chemotaxonomic marker for the traditional Chinese medicinal plant Scutellaria barbata, although the molecular mechanisms behind clerodane biosynthesis are unknown. Here, we report a high-quality assembly of the 414.98 Mb genome of S. barbata into 13 pseudochromosomes. Using phylogenomic and biochemical data, we mapped the plastidial metabolism of kaurene (gibberellins), abietane, and clerodane diterpenes in three species of the family Lamiaceae (Scutellaria barbata, Scutellaria baicalensis, and Salvia splendens), facilitating the identification of genes involved in the biosynthesis of the clerodanes, kolavenol, and isokolavenol. We show that clerodane biosynthesis evolved through recruitment and neofunctionalization of genes from gibberellin and abietane metabolism. Despite the assumed monophyletic origin of clerodane biosynthesis, which is widespread in species of the Lamiaceae, our data show distinct evolutionary lineages and suggest polyphyletic origins of clerodane biosynthesis in the family Lamiaceae. Our study not only provides significant insights into the evolution of clerodane biosynthetic pathways in the mint family, Lamiaceae, but also will facilitate the production of anticancer clerodanes through future metabolic engineering efforts.
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Affiliation(s)
- Haixiu Li
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Song Wu
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ruoxi Lin
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Yiren Xiao
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ana Luisa Malaco Morotti
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Ya Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Meytal Galilee
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Haowen Qin
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Tao Huang
- Novogene Bioinformatics Institute, Beijing, China
| | - Yong Zhao
- Novogene Bioinformatics Institute, Beijing, China
| | - Xun Zhou
- Novogene Bioinformatics Institute, Beijing, China
| | - Jun Yang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, Shanghai 201602, China
| | - Qing Zhao
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, Shanghai 201602, China
| | - Angelos K Kanellis
- Group of Biotechnology of Pharmaceutical Plants, Lab. of Pharmacognosy, Department of Pharmaceutical Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | | | - Evangelos C Tatsis
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; CEPAMS - CAS-JIC Centre of Excellence for Plant and Microbial Sciences, Shanghai 200032, China.
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6
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Li CY, Yang L, Liu Y, Xu ZG, Gao J, Huang YB, Xu JJ, Fan H, Kong Y, Wei YK, Hu WL, Wang LJ, Zhao Q, Hu YH, Zhang YJ, Martin C, Chen XY. The sage genome provides insight into the evolutionary dynamics of diterpene biosynthesis gene cluster in plants. Cell Rep 2022; 40:111236. [PMID: 35977487 DOI: 10.1016/j.celrep.2022.111236] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 05/29/2022] [Accepted: 07/28/2022] [Indexed: 11/03/2022] Open
Abstract
The widely cultivated medicinal and ornamental plant sage (Salvia officinalis L.) is an evergreen shrub of the Lamiaceae family, native to the Mediterranean. We assembled a high-quality sage genome of 480 Mb on seven chromosomes, and identified a biosynthetic gene cluster (BGC) encoding two pairs of diterpene synthases (diTPSs) that, together with the cytochromes P450 (CYPs) genes located inside and outside the cluster, form two expression cascades responsible for the shoot and root diterpenoids, respectively, thus extending BGC functionality from co-regulation to orchestrating metabolite production in different organs. Phylogenomic analysis indicates that the Salvia clades diverged in the early Miocene. In East Asia, most Salvia species are herbaceous and accumulate diterpenoids in storage roots. Notably, in Chinese sage S. miltiorrhiza, the diterpene BGC has contracted and the shoot cascade has been lost. Our data provide genomic insights of micro-evolution of growth type-associated patterning of specialized metabolite production in plants.
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Affiliation(s)
- Chen-Yi Li
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Lei Yang
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yan Liu
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China; Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Zhou-Geng Xu
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Jian Gao
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Yan-Bo Huang
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Jing-Jing Xu
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Hang Fan
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yu Kong
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yu-Kun Wei
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Wen-Li Hu
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Ling-Jian Wang
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Qing Zhao
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yong-Hong Hu
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yi-Jing Zhang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center of Genetics and Development, Department of Biochemistry, Institute of Plant Biology, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Cathie Martin
- John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Xiao-Ya Chen
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China; Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China.
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7
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Kwon M, Utomo JC, Park K, Pascoe CA, Chiorean S, Ngo I, Pelot KA, Pan CH, Kim SW, Zerbe P, Vederas JC, Ro DK. Cytochrome P450-Catalyzed Biosynthesis of a Dihydrofuran Neoclerodane in Magic Mint (Salvia divinorum). ACS Catal 2021. [DOI: 10.1021/acscatal.1c03691] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Moonhyuk Kwon
- Department of Biological Sciences, University of Calgary, 2500 University Dr. NW, Calgary, Alberta T2N1N4, Canada
- Division of Applied Life Science (BK21 Four), ABC-RLRC, PMBBRC, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Joseph C. Utomo
- Department of Biological Sciences, University of Calgary, 2500 University Dr. NW, Calgary, Alberta T2N1N4, Canada
| | - Keunwan Park
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung, 25451, Republic of Korea
| | - Cameron A. Pascoe
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr. NW, Edmonton, Alberta T6G 2G2, Canada
| | - Sorina Chiorean
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr. NW, Edmonton, Alberta T6G 2G2, Canada
| | - Iris Ngo
- Department of Biological Sciences, University of Calgary, 2500 University Dr. NW, Calgary, Alberta T2N1N4, Canada
| | - Kyle A. Pelot
- Department of Plant Biology, University of California-Davis, 1 Shields Avenue, Davis, California 95616, United States
| | - Cheol-Ho Pan
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung, 25451, Republic of Korea
- Department of Biological Chemistry, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
| | - Seon-Won Kim
- Division of Applied Life Science (BK21 Four), ABC-RLRC, PMBBRC, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Philipp Zerbe
- Department of Plant Biology, University of California-Davis, 1 Shields Avenue, Davis, California 95616, United States
| | - John C. Vederas
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr. NW, Edmonton, Alberta T6G 2G2, Canada
| | - Dae-Kyun Ro
- Department of Biological Sciences, University of Calgary, 2500 University Dr. NW, Calgary, Alberta T2N1N4, Canada
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8
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Jamieson CS, Misa J, Tang Y, Billingsley JM. Biosynthesis and synthetic biology of psychoactive natural products. Chem Soc Rev 2021; 50:6950-7008. [PMID: 33908526 PMCID: PMC8217322 DOI: 10.1039/d1cs00065a] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Psychoactive natural products play an integral role in the modern world. The tremendous structural complexity displayed by such molecules confers diverse biological activities of significant medicinal value and sociocultural impact. Accordingly, in the last two centuries, immense effort has been devoted towards establishing how plants, animals, and fungi synthesize complex natural products from simple metabolic precursors. The recent explosion of genomics data and molecular biology tools has enabled the identification of genes encoding proteins that catalyze individual biosynthetic steps. Once fully elucidated, the "biosynthetic pathways" are often comparable to organic syntheses in elegance and yield. Additionally, the discovery of biosynthetic enzymes provides powerful catalysts which may be repurposed for synthetic biology applications, or implemented with chemoenzymatic synthetic approaches. In this review, we discuss the progress that has been made toward biosynthetic pathway elucidation amongst four classes of psychoactive natural products: hallucinogens, stimulants, cannabinoids, and opioids. Compounds of diverse biosynthetic origin - terpene, amino acid, polyketide - are identified, and notable mechanisms of key scaffold transforming steps are highlighted. We also provide a description of subsequent applications of the biosynthetic machinery, with an emphasis placed on the synthetic biology and metabolic engineering strategies enabling heterologous production.
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Affiliation(s)
- Cooper S Jamieson
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Joshua Misa
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Yi Tang
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, USA. and Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA.
| | - John M Billingsley
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA. and Invizyne Technologies, Inc., Monrovia, CA, USA
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9
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Wang Y, Liu YC, Li WY, Guo K, Liu Y, Li SH. Antifeedant, cytotoxic, and anti-inflammatory neo-clerodane diterpenoids in the peltate glandular trichomes and fresh leaves of Ajuga forrestii. PHYTOCHEMISTRY 2021; 186:112731. [PMID: 33721797 DOI: 10.1016/j.phytochem.2021.112731] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 03/05/2021] [Accepted: 03/06/2021] [Indexed: 06/12/2023]
Abstract
The Lamiaceae plant Ajuga forrestii Diels is a traditional Chinese herbal medicine with abundant glandular trichomes (GTs), but their chemistry and biological functions remain uninvestigated. Here, a panel of six highly functionalized neo-clerodane diterpenoids was localized to the peltate GTs of A. forrestii using laser microdissection coupled with HPLC analysis, indicating that the GTs of A. forrestii are an excellent material for the elucidation of the yet unclear biosynthetic pathway of natural neo-clerodane diterpenoids. In addition, four undescribed neo-clerodane diterpenoids with an acyclic C-9 side chain including two pairs of 1:1 mixture of inseparable diastereomers, ajuforrestins D-G, were isolated from the fresh leaves of A. forrestii together with six known compounds. The structures of the undescribed compounds were elucidated by spectroscopic (including 1D and 2D NMR and HR-ESI-MS) analyses. Biological assays indicated that the major GT compound ajugacumbin B and undescribed ajuforrestins D/E showed antifeedant activity against Helicoverpa armigera, suggesting that neo-clerodanes in A. forrestii should be involved in plant defence against insects. Moreover, the abietane diterpenoid ajuforrestin B exhibited significant anti-inflammatory activity on the secretion of interleukin-2 (IL-2) and cytotoxicity against three cancer cell lines, NCI-H1975, HepG2 and MCF-7, suggesting that ajuforrestin B could positively contribute to the therapeutic effects of this traditional Chinese medicine.
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Affiliation(s)
- Ying Wang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yan-Chun Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China
| | - Wen-Yuan Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Kai Guo
- State Key Laboratory of Southwestern Chinese Medicine Resources, and Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Yan Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China.
| | - Sheng-Hong Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China; State Key Laboratory of Southwestern Chinese Medicine Resources, and Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
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10
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Hu Z, Liu X, Tian M, Ma Y, Jin B, Gao W, Cui G, Guo J, Huang L. Recent progress and new perspectives for diterpenoid biosynthesis in medicinal plants. Med Res Rev 2021; 41:2971-2997. [PMID: 33938025 DOI: 10.1002/med.21816] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 04/09/2021] [Accepted: 04/19/2021] [Indexed: 12/25/2022]
Abstract
Diterpenoids, including more than 18,000 compounds, represent an important class of metabolites that encompass both phytohormones and some industrially relevant compounds. These molecules with complex, diverse structures and physiological activities, have high value in the pharmaceutical industry. Most medicinal diterpenoids are extracted from plants. Major advances in understanding the biosynthetic pathways of these active compounds are providing unprecedented opportunities for the industrial production of diterpenoids by metabolic engineering and synthetic biology. Here, we summarize recent developments in the field of diterpenoid biosynthesis from medicinal herbs. An overview of the pathways and known biosynthetic enzymes is presented. In particular, we look at the main findings from the past decade and review recent progress in the biosynthesis of different groups of ringed compounds. We also discuss diterpenoid production using synthetic biology and metabolic engineering strategies, and draw on new technologies and discoveries to bring together many components into a useful framework for diterpenoid production.
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Affiliation(s)
- Zhimin Hu
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiuyu Liu
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.,School of Pharmaceutical Sciences, Henan University of Chinese Medicine, Zhengzhou, Henan Province, China
| | - Mei Tian
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ying Ma
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Baolong Jin
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wei Gao
- School of Pharmaceutical, Sciences, Capital Medical University, Beijing, China
| | - Guanghong Cui
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Juan Guo
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Luqi Huang
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
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11
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Hernández-Alvarado RB, Madariaga-Mazón A, Ortega A, Martinez-Mayorga K. DARK Classics in Chemical Neuroscience: Salvinorin A. ACS Chem Neurosci 2020; 11:3979-3992. [PMID: 33164503 DOI: 10.1021/acschemneuro.0c00608] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Salvinorin A is the main bioactive compound in Salvia divinorum, an endemic plant with ancestral use by the inhabitants of the Mazateca mountain range (Sierra Mazateca) in Oaxaca, México. The main use of la pastora, as locally known, is in spiritual rites due to its extraordinary hallucinogenic effects. Being the first known nonalkaloidal opioid-mediated psychotropic molecule, salvinorin A set new research areas in neuroscience. The absence of a protonated amine group, common to all previously known opioids, results in a fast metabolism with the concomitant fast elimination and swift loss of activity. The worldwide spread and psychotropic effects of salvinorin A account for its misuse and classification as a drug of abuse. Consequently, salvinorin A and Salvia divinorum are now banned in many countries. Several synthetic efforts have been focused on the improvement of physicochemical and biological properties of salvinorin A: from total synthesis to hundreds of analogues. In this Review, we discuss the impact of salvinorin A in chemistry and neuroscience covering the historical relevance, isolation from natural sources, synthetic efforts, and pharmacological and safety profiles. Altogether, the chemistry behind and the taboo that encloses salvinorin A makes it one of the most exquisite naturally occurring drugs.
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Affiliation(s)
- R. Bruno Hernández-Alvarado
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, 04510 México
| | - Abraham Madariaga-Mazón
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, 04510 México
| | - Alfredo Ortega
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, 04510 México
| | - Karina Martinez-Mayorga
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, 04510 México
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12
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Yang M, Liu G, Yamamura Y, Chen F, Fu J. Divergent Evolution of the Diterpene Biosynthesis Pathway in Tea Plants ( Camellia sinensis) Caused by Single Amino Acid Variation of ent-Kaurene Synthase. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:9930-9939. [PMID: 32841021 DOI: 10.1021/acs.jafc.0c03488] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Most plant terpenoids are classified as secondary metabolites. A small portion of them are products of primary metabolism biosynthesized by relatively conserved pathways. Gibberellins (GAs), which are essential for plant growth and development, are diterpenoid phytohormones. (E,E,E)-Geranylgeranyl diphosphate (GGPP) is the precursor for both GAs and other diterpenoids of secondary metabolism. ent-Kaurene biosynthesis from GGPP is a key step of GA formation, which is catalyzed by two sequential and dedicated diterpene synthases (diTPSs): ent-copalyl diphosphate synthase (CPS) and ent-kaurene synthase (KS) of the terpene synthase gene family. Sharing a common evolutionary origin, CPS and KS belong to different TPS subfamilies. Tea plant (Camellia sinensis), the subject of this study, is a leaf-based economic crop. Budbreak mainly manipulated by GAs is a primary factor for targeted tea breeding. The key genes for gibberellin biosynthesis are known; however, they have not yet been characterized in tea plants. Here, we identified and functionally characterized three diterpene biosynthesis-related genes, including one CPS and two highly similar KSs in tea plants. These genes were initially identified through transcriptome sequencing. The functional characterization determined by enzymatic activity assay indicated that CsCPS could catalyze GGPP to form ent-copalyl diphosphate (ent-CPP), which was further used as the substrate by CsKS1 to produce ent-kaurene or by CsKS2 to produce 16α-hydroxy-ent-kaurane with ent-kaurene as a minor product, respectively. We demonstrated that the divergent evolution of diterpene biosynthesis in tea plants resulted from gene duplication of KSs, followed by functional divergence caused by single amino acid variation. This study would provide an insight into the diterpenoid metabolism and GA biosynthesis in tea plants to further understand leaf bud development or insect resistance and to provide a genetic basis for tea plant breeding.
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Affiliation(s)
- Mei Yang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Guanhua Liu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
| | - Yoshimi Yamamura
- Faculty of Medicine and Pharmaceutical Sciences for Research, University of Toyama, Toyama 9300194, Japan
| | - Feng Chen
- Department of Plant Sciences, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Jianyu Fu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
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13
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Hamilton JP, Godden GT, Lanier E, Bhat WW, Kinser TJ, Vaillancourt B, Wang H, Wood JC, Jiang J, Soltis PS, Soltis DE, Hamberger B, Buell CR. Generation of a chromosome-scale genome assembly of the insect-repellent terpenoid-producing Lamiaceae species, Callicarpa americana. Gigascience 2020; 9:giaa093. [PMID: 32893861 PMCID: PMC7476102 DOI: 10.1093/gigascience/giaa093] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 07/03/2020] [Accepted: 08/11/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Plants exhibit wide chemical diversity due to the production of specialized metabolites that function as pollinator attractants, defensive compounds, and signaling molecules. Lamiaceae (mints) are known for their chemodiversity and have been cultivated for use as culinary herbs, as well as sources of insect repellents, health-promoting compounds, and fragrance. FINDINGS We report the chromosome-scale genome assembly of Callicarpa americana L. (American beautyberry), a species within the early-diverging Callicarpoideae clade of Lamiaceae, known for its metallic purple fruits and use as an insect repellent due to its production of terpenoids. Using long-read sequencing and Hi-C scaffolding, we generated a 506.1-Mb assembly spanning 17 pseudomolecules with N50 contig and N50 scaffold sizes of 7.5 and 29.0 Mb, respectively. In all, 32,164 genes were annotated, including 53 candidate terpene synthases and 47 putative clusters of specialized metabolite biosynthetic pathways. Our analyses revealed 3 putative whole-genome duplication events, which, together with local tandem duplications, contributed to gene family expansion of terpene synthases. Kolavenyl diphosphate is a gateway to many of the bioactive terpenoids in C. americana; experimental validation confirmed that CamTPS2 encodes kolavenyl diphosphate synthase. Syntenic analyses with Tectona grandis L. f. (teak), a member of the Tectonoideae clade of Lamiaceae known for exceptionally strong wood resistant to insects, revealed 963 collinear blocks and 21,297 C. americana syntelogs. CONCLUSIONS Access to the C. americana genome provides a road map for rapid discovery of genes encoding plant-derived agrichemicals and a key resource for understanding the evolution of chemical diversity in Lamiaceae.
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Affiliation(s)
- John P Hamilton
- Department of Plant Biology, Michigan State University, 612 Wilson Road, East Lansing, MI 48824, USA
| | - Grant T Godden
- Florida Museum of Natural History, University of Florida, 3215 Hull Road, Gainesville, FL 32611, USA
| | - Emily Lanier
- Department of Biochemistry & Molecular Biology, Michigan State University, 603 Wilson Rd, East Lansing, MI 48824, USA
| | - Wajid Waheed Bhat
- Department of Biochemistry & Molecular Biology, Michigan State University, 603 Wilson Rd, East Lansing, MI 48824, USA
| | - Taliesin J Kinser
- Florida Museum of Natural History, University of Florida, 3215 Hull Road, Gainesville, FL 32611, USA
- Department of Biology, University of Florida, 876 Newell Dr, Gainesville, Florida, 32611 USA
| | - Brieanne Vaillancourt
- Department of Plant Biology, Michigan State University, 612 Wilson Road, East Lansing, MI 48824, USA
| | - Haiyan Wang
- Department of Plant Biology, Michigan State University, 612 Wilson Road, East Lansing, MI 48824, USA
| | - Joshua C Wood
- Department of Plant Biology, Michigan State University, 612 Wilson Road, East Lansing, MI 48824, USA
| | - Jiming Jiang
- Department of Plant Biology, Michigan State University, 612 Wilson Road, East Lansing, MI 48824, USA
- Department of Horticulture, Michigan State University, 1066 Bogue St, East Lansing, MI 48824, USA
- MSU AgBioResearch, Michigan State University, 446 W. Circle Drive, East Lansing, MI 48824, USA
| | - Pamela S Soltis
- Florida Museum of Natural History, University of Florida, 3215 Hull Road, Gainesville, FL 32611, USA
| | - Douglas E Soltis
- Florida Museum of Natural History, University of Florida, 3215 Hull Road, Gainesville, FL 32611, USA
- Department of Biology, University of Florida, 876 Newell Dr, Gainesville, Florida, 32611 USA
| | - Bjoern Hamberger
- Department of Biochemistry & Molecular Biology, Michigan State University, 603 Wilson Rd, East Lansing, MI 48824, USA
- MSU AgBioResearch, Michigan State University, 446 W. Circle Drive, East Lansing, MI 48824, USA
| | - C Robin Buell
- Department of Plant Biology, Michigan State University, 612 Wilson Road, East Lansing, MI 48824, USA
- MSU AgBioResearch, Michigan State University, 446 W. Circle Drive, East Lansing, MI 48824, USA
- Plant Resilience Institute, Michigan State University, 612 Wilson Road, East Lansing, MI 48824, USA
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14
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Zhou F, Pichersky E. More is better: the diversity of terpene metabolism in plants. CURRENT OPINION IN PLANT BIOLOGY 2020; 55:1-10. [PMID: 32088555 DOI: 10.1016/j.pbi.2020.01.005] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 01/15/2020] [Accepted: 01/21/2020] [Indexed: 05/18/2023]
Abstract
All plants synthesize a diverse array of terpenoid metabolites. Some are common to all, but many are synthesized only in specific taxa and presumably evolved as adaptations to specific ecological conditions. While the basic terpenoid biosynthetic pathways are common in all plants, recent discoveries have revealed many variations in the way plants synthesized specific terpenes. A major theme is the much greater number of substrates that can be used by enzymes belonging to the terpene synthase (TPS) family. Other recent discoveries include non-TPS enzymes that catalyze the formation of terpenes, and novel transport mechanisms.
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Affiliation(s)
- Fei Zhou
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Eran Pichersky
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA.
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15
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Du G, Gong HY, Feng KN, Chen QQ, Yang YL, Fu XL, Lu S, Zeng Y. Diterpene synthases facilitating production of the kaurane skeleton of eriocalyxin B in the medicinal plant Isodon eriocalyx. PHYTOCHEMISTRY 2019; 158:96-102. [PMID: 30496917 DOI: 10.1016/j.phytochem.2018.11.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 11/12/2018] [Accepted: 11/18/2018] [Indexed: 06/09/2023]
Abstract
The Isodon plants (Lamiaceae) have been used in traditional Chinese medicine to alleviate sufferings from inflammations and cancers. This feature has been attributed to the presence of pharmacologically active ent-kaurane diterpenoids such as eriocalyxin B and oridonin. The Isodon eriocalyx (Dunn) Kudô species native to southwest China can accumulate a particularly high content of ent-kaurane diterpenoids (∼1.5% w/w of dried leaves). We previously identified diterpene synthases IeCPS1 and IeCPS2 as ent-copalyl diphosphate synthases (ent-CPS) potentially involved in Isodon ent-kaurane diterpenoids biosynthesis. In this study, analysis of RNA-seq transcriptome of the I. eriocalyx plant revealed three other diterpene synthase genes (IeCPS3, IeKS1, and IeKSL1). Their functional characterization through coupled in vitro enzyme assays has confirmed that IeCPS3 is an ent-CPS specifically producing ent-copalyl diphosphate (ent-CPP). IeKS1 accepted ent-CPP to produce exclusively ent-kaurene and may thus be defined as an ent-kaurene synthase (ent-KS). When IeKSL1 was combined with IeCPS2 or IeCPS3, no product was detected. Based on tissue-specific expression and metabolic localization studies, the IeCPS3 and IeKS1 transcripts were significantly accumulated in leaves where the ent-kaurane diterpenoid eriocalyxin B dominates, whereas weak expression of both were observed in germinating seeds in which gibberellin biosynthetic pathway is normally active. Our findings suggest that both IeCPS3 and IeKS1 possess dual roles in general (gibberellins) and specialized diterpenoid metabolism, such as that of the Isodon ent-kaurane diterpenoids.
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Affiliation(s)
- Gang Du
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Hai-Yan Gong
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ke-Na Feng
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qian-Qian Chen
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yan-Long Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiao-Li Fu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
| | - Shan Lu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Ying Zeng
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China.
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16
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Johnson SR, Bhat WW, Bibik J, Turmo A, Hamberger B, Evolutionary Mint Genomics Consortium, Hamberger B. A database-driven approach identifies additional diterpene synthase activities in the mint family (Lamiaceae). J Biol Chem 2019; 294:1349-1362. [PMID: 30498089 PMCID: PMC6349103 DOI: 10.1074/jbc.ra118.006025] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/12/2018] [Indexed: 12/30/2022] Open
Abstract
Members of the mint family (Lamiaceae) accumulate a wide variety of industrially and medicinally relevant diterpenes. We recently sequenced leaf transcriptomes from 48 phylogenetically diverse Lamiaceae species. Here, we summarize the available chemotaxonomic and enzyme activity data for diterpene synthases (diTPSs) in the Lamiaceae and leverage the new transcriptomes to explore the diTPS sequence and functional space. Candidate genes were selected with an intent to evenly sample the sequence homology space and to focus on species in which diTPS transcripts were found, yet from which no diterpene structures have been previously reported. We functionally characterized nine class II diTPSs and 10 class I diTPSs from 11 distinct plant species and found five class II activities, including two novel activities, as well as a spectrum of class I activities. Among the class II diTPSs, we identified a neo-cleroda-4(18),13E-dienyl diphosphate synthase from Ajuga reptans, catalyzing the likely first step in the biosynthesis of a variety of insect-antifeedant compounds. Among the class I diTPSs was a palustradiene synthase from Origanum majorana, leading to the discovery of specialized diterpenes in that species. Our results provide insights into the diversification of diterpene biosynthesis in the mint family and establish a comprehensive foundation for continued investigation of diterpene biosynthesis in the Lamiaceae.
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Affiliation(s)
- Sean R Johnson
- Departments of Biochemistry and Molecular Biology, East Lansing, Michigan 48824
| | - Wajid Waheed Bhat
- Departments of Biochemistry and Molecular Biology, East Lansing, Michigan 48824; Pharmacology and Toxicology, East Lansing, Michigan 48824
| | - Jacob Bibik
- Departments of Biochemistry and Molecular Biology, East Lansing, Michigan 48824
| | - Aiko Turmo
- Departments of Biochemistry and Molecular Biology, East Lansing, Michigan 48824
| | - Britta Hamberger
- Departments of Biochemistry and Molecular Biology, East Lansing, Michigan 48824
| | | | - Björn Hamberger
- Departments of Biochemistry and Molecular Biology, East Lansing, Michigan 48824.
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17
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Hanson JR, Nichols T, Mukhrish Y, Bagley MC. Diterpenoids of terrestrial origin. Nat Prod Rep 2019; 36:1499-1512. [DOI: 10.1039/c8np00079d] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review covers the isolation and chemistry of diterpenoids from terrestrial sources from 2017.
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Affiliation(s)
- James R. Hanson
- Department of Chemistry
- School of Life Sciences
- University of Sussex
- East Sussex
- UK
| | - Tyler Nichols
- Department of Chemistry
- School of Life Sciences
- University of Sussex
- East Sussex
- UK
| | - Yousef Mukhrish
- Department of Chemistry
- School of Life Sciences
- University of Sussex
- East Sussex
- UK
| | - Mark C. Bagley
- Department of Chemistry
- School of Life Sciences
- University of Sussex
- East Sussex
- UK
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18
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Karunanithi PS, Zerbe P. Terpene Synthases as Metabolic Gatekeepers in the Evolution of Plant Terpenoid Chemical Diversity. FRONTIERS IN PLANT SCIENCE 2019; 10:1166. [PMID: 31632418 PMCID: PMC6779861 DOI: 10.3389/fpls.2019.01166] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 08/26/2019] [Indexed: 05/18/2023]
Abstract
Terpenoids comprise tens of thousands of small molecule natural products that are widely distributed across all domains of life. Plants produce by far the largest array of terpenoids with various roles in development and chemical ecology. Driven by selective pressure to adapt to their specific ecological niche, individual species form only a fraction of the myriad plant terpenoids, typically representing unique metabolite blends. Terpene synthase (TPS) enzymes are the gatekeepers in generating terpenoid diversity by catalyzing complex carbocation-driven cyclization, rearrangement, and elimination reactions that enable the transformation of a few acyclic prenyl diphosphate substrates into a vast chemical library of hydrocarbon and, for a few enzymes, oxygenated terpene scaffolds. The seven currently defined clades (a-h) forming the plant TPS family evolved from ancestral triterpene synthase- and prenyl transferase-type enzymes through repeated events of gene duplication and subsequent loss, gain, or fusion of protein domains and further functional diversification. Lineage-specific expansion of these TPS clades led to variable family sizes that may range from a single TPS gene to families of more than 100 members that may further function as part of modular metabolic networks to maximize the number of possible products. Accompanying gene family expansion, the TPS family shows a profound functional plasticity, where minor active site alterations can dramatically impact product outcome, thus enabling the emergence of new functions with minimal investment in evolving new enzymes. This article reviews current knowledge on the functional diversity and molecular evolution of the plant TPS family that underlies the chemical diversity of bioactive terpenoids across the plant kingdom.
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Affiliation(s)
- Prema S Karunanithi
- Department of Plant Biology, University of California Davis, Davis, CA, United States
| | - Philipp Zerbe
- Department of Plant Biology, University of California Davis, Davis, CA, United States
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19
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Liu Y, Jing SX, Luo SH, Li SH. Non-volatile natural products in plant glandular trichomes: chemistry, biological activities and biosynthesis. Nat Prod Rep 2019; 36:626-665. [PMID: 30468448 DOI: 10.1039/c8np00077h] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The investigation methods, chemistry, bioactivities, and biosynthesis of non-volatile natural products involving 489 compounds in plant glandular trichomes are reviewed.
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Affiliation(s)
- Yan Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- P. R. China
| | - Shu-Xi Jing
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- P. R. China
| | - Shi-Hong Luo
- College of Bioscience and Biotechnology
- Shenyang Agricultural University
- Shenyang
- P. R. China
| | - Sheng-Hong Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- P. R. China
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Zhang H, Jin B, Bu J, Guo J, Chen T, Ma Y, Tang J, Cui G, Huang L. Transcriptomic Insight into Terpenoid Biosynthesis and Functional Characterization of Three Diterpene Synthases in Scutellaria barbata. Molecules 2018; 23:molecules23112952. [PMID: 30424547 PMCID: PMC6278268 DOI: 10.3390/molecules23112952] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 11/06/2018] [Accepted: 11/08/2018] [Indexed: 11/30/2022] Open
Abstract
Scutellaria barbata (Lamiaceae) is an important medicinal herb widely used in China, Korea, India, and other Asian countries. Neo-clerodane diterpenoids are the largest known group of Scutellaria diterpenoids and show promising cytotoxic activity against several cancer cell lines. Here, Illumina-based deep transcriptome analysis of flowers, the aerial parts (leaf and stem), and roots of S. barbata was used to explore terpenoid-related genes. In total, 121,958,564 clean RNA-sequence reads were assembled into 88,980 transcripts, with an average length of 1370 nt and N50 length of 2144 nt, indicating high assembly quality. We identified nearly all known terpenoid-related genes (33 genes) involved in biosynthesis of the terpenoid backbone and 14 terpene synthase genes which generate skeletons for different terpenoids. Three full length diterpene synthase genes were functionally identified using an in vitro assay. SbTPS8 and SbTPS9 were identified as normal-CPP and ent-CPP synthase, respectively. SbTPS12 reacts with SbTPS8 to produce miltiradiene. Furthermore, SbTPS12 was proven to be a less promiscuous class I diterpene synthase. These results give a comprehensive understanding of the terpenoid biosynthesis in S. barbata and provide useful information for enhancing the production of bioactive neo-clerodane diterpenoids through genetic engineering.
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Affiliation(s)
- Huabei Zhang
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Baolong Jin
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China.
| | - Junling Bu
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Juan Guo
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Tong Chen
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Ying Ma
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Jinfu Tang
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Guanghong Cui
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Luqi Huang
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China.
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21
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Heskes AM, Sundram TC, Boughton BA, Jensen NB, Hansen NL, Crocoll C, Cozzi F, Rasmussen S, Hamberger B, Hamberger B, Staerk D, Møller BL, Pateraki I. Biosynthesis of bioactive diterpenoids in the medicinal plant Vitex agnus-castus. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2018; 93:943-958. [PMID: 29315936 PMCID: PMC5838521 DOI: 10.1111/tpj.13822] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 12/04/2017] [Accepted: 12/14/2017] [Indexed: 05/11/2023]
Abstract
Vitex agnus-castus L. (Lamiaceae) is a medicinal plant historically used throughout the Mediterranean region to treat menstrual cycle disorders, and is still used today as a clinically effective treatment for premenstrual syndrome. The pharmaceutical activity of the plant extract is linked to its ability to lower prolactin levels. This feature has been attributed to the presence of dopaminergic diterpenoids that can bind to dopamine receptors in the pituitary gland. Phytochemical analyses of V. agnus-castus show that it contains an enormous array of structurally related diterpenoids and, as such, holds potential as a rich source of new dopaminergic drugs. The present work investigated the localisation and biosynthesis of diterpenoids in V. agnus-castus. With the assistance of matrix-assisted laser desorption ionisation-mass spectrometry imaging (MALDI-MSI), diterpenoids were localised to trichomes on the surface of fruit and leaves. Analysis of a trichome-specific transcriptome database, coupled with expression studies, identified seven candidate genes involved in diterpenoid biosynthesis: three class II diterpene synthases (diTPSs); three class I diTPSs; and a cytochrome P450 (CYP). Combinatorial assays of the diTPSs resulted in the formation of a range of different diterpenes that can account for several of the backbones of bioactive diterpenoids observed in V. agnus-castus. The identified CYP, VacCYP76BK1, was found to catalyse 16-hydroxylation of the diol-diterpene, peregrinol, to labd-13Z-ene-9,15,16-triol when expressed in Saccharomyces cerevisiae. Notably, this product is a potential intermediate in the biosynthetic pathway towards bioactive furan- and lactone-containing diterpenoids that are present in this species.
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Affiliation(s)
- Allison M. Heskes
- Plant Biochemistry LaboratoryDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- Center for Synthetic Biology ‘bioSYNergy’Department of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- VILLUM Center for Plant PlasticityDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
| | - Tamil C.M. Sundram
- Plant Biochemistry LaboratoryDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- Department of Plant ScienceKulliyyah of ScienceInternational Islamic University Malaysia50728Kuala LumpurMalaysia
| | - Berin A. Boughton
- Metabolomics AustraliaSchool of BioSciencesThe University of MelbourneVic.3010Australia
| | | | - Nikolaj L. Hansen
- Plant Biochemistry LaboratoryDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- Center for Synthetic Biology ‘bioSYNergy’Department of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- VILLUM Center for Plant PlasticityDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
| | - Christoph Crocoll
- DynaMo CenterDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
| | - Federico Cozzi
- Plant Biochemistry LaboratoryDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
| | - Simon Rasmussen
- Department of Bio and Health InformaticsTechnical University of DenmarkDK‐2800LyngbyDenmark
| | - Britta Hamberger
- Plant Biochemistry LaboratoryDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- Center for Synthetic Biology ‘bioSYNergy’Department of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- VILLUM Center for Plant PlasticityDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
| | - Björn Hamberger
- Plant Biochemistry LaboratoryDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- Center for Synthetic Biology ‘bioSYNergy’Department of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- VILLUM Center for Plant PlasticityDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
| | - Dan Staerk
- Department of Drug Design and PharmacologyFaculty of Health and Medical SciencesUniversity of CopenhagenDK‐2100CopenhagenDenmark
| | - Birger L. Møller
- Plant Biochemistry LaboratoryDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- Center for Synthetic Biology ‘bioSYNergy’Department of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- VILLUM Center for Plant PlasticityDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
| | - Irini Pateraki
- Plant Biochemistry LaboratoryDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- Center for Synthetic Biology ‘bioSYNergy’Department of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
- VILLUM Center for Plant PlasticityDepartment of Plant and Environmental SciencesUniversity of CopenhagenThorvaldsensvej 40DK‐1871Frederiksberg CDenmark
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23
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Abstract
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The
year 2017 marks the twentieth anniversary of terpenoid cyclase
structural biology: a trio of terpenoid cyclase structures reported
together in 1997 were the first to set the foundation for understanding
the enzymes largely responsible for the exquisite chemodiversity of
more than 80000 terpenoid natural products. Terpenoid cyclases catalyze
the most complex chemical reactions in biology, in that more than
half of the substrate carbon atoms undergo changes in bonding and
hybridization during a single enzyme-catalyzed cyclization reaction.
The past two decades have witnessed structural, functional, and computational
studies illuminating the modes of substrate activation that initiate
the cyclization cascade, the management and manipulation of high-energy
carbocation intermediates that propagate the cyclization cascade,
and the chemical strategies that terminate the cyclization cascade.
The role of the terpenoid cyclase as a template for catalysis is paramount
to its function, and protein engineering can be used to reprogram
the cyclization cascade to generate alternative and commercially important
products. Here, I review key advances in terpenoid cyclase structural
and chemical biology, focusing mainly on terpenoid cyclases and related
prenyltransferases for which X-ray crystal structures have informed
and advanced our understanding of enzyme structure and function.
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Affiliation(s)
- David W Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania , 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
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