1
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Kariyawasam T, Helvig C, Petkovich M, Vriens B. Pharmaceutical removal from wastewater by introducing cytochrome P450s into microalgae. Microb Biotechnol 2024; 17:e14515. [PMID: 38925623 PMCID: PMC11197475 DOI: 10.1111/1751-7915.14515] [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: 03/05/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Pharmaceuticals are of increasing environmental concern as they emerge and accumulate in surface- and groundwater systems around the world, endangering the overall health of aquatic ecosystems. Municipal wastewater discharge is a significant vector for pharmaceuticals and their metabolites to enter surface waters as humans incompletely absorb prescription drugs and excrete up to 50% into wastewater, which are subsequently incompletely removed during wastewater treatment. Microalgae present a promising target for improving wastewater treatment due to their ability to remove some pollutants efficiently. However, their inherent metabolic pathways limit their capacity to degrade more recalcitrant organic compounds such as pharmaceuticals. The human liver employs enzymes to break down and absorb drugs, and these enzymes are extensively researched during drug development, meaning the cytochrome P450 enzymes responsible for metabolizing each approved drug are well studied. Thus, unlocking or increasing cytochrome P450 expression in endogenous wastewater microalgae could be a cost-effective strategy to reduce pharmaceutical loads in effluents. Here, we discuss the challenges and opportunities associated with introducing cytochrome P450 enzymes into microalgae. We anticipate that cytochrome P450-engineered microalgae can serve as a new drug removal method and a sustainable solution that can upgrade wastewater treatment facilities to function as "mega livers".
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Affiliation(s)
- Thamali Kariyawasam
- Department of Geological Sciences and EngineeringQueen's UniversityKingstonOntarioCanada
- Beaty Water Research CenterQueen's UniversityKingstonOntarioCanada
| | - Christian Helvig
- Department of Biomedical EngineeringQueen's UniversityKingstonOntarioCanada
| | - Martin Petkovich
- Department of Biomedical EngineeringQueen's UniversityKingstonOntarioCanada
| | - Bas Vriens
- Department of Geological Sciences and EngineeringQueen's UniversityKingstonOntarioCanada
- Beaty Water Research CenterQueen's UniversityKingstonOntarioCanada
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2
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Xu J, Song Y, Yang J, Yang B, Su Z, Lin L, Feng X. Sterically Hindered and Deconjugative α-Regioselective Asymmetric Mannich Reaction of Meinwald Rearrangement-Intermediate. Angew Chem Int Ed Engl 2023; 62:e202217887. [PMID: 36700493 DOI: 10.1002/anie.202217887] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/22/2023] [Accepted: 01/24/2023] [Indexed: 01/27/2023]
Abstract
Compared to γ-addition, the α-addition of α-branched β,γ-unsaturated aldehydes faces larger steric hindrance and disrupts the π-π conjugation, which might be why very few examples are reported. In this article, a highly diastereo- and enantioselective α-regioselective Mannich reaction of isatin-derived ketimines with α-, β- or γ-branched β,γ-unsaturated aldehydes, generated in situ from Meinwald rearrangement of vinyl epoxides, is realized by using chiral N,N'-dioxide/ScIII catalysts. A series of chiral α-quaternary allyl aldehydes and homoallylic alcohols with vicinal multisubstituted stereocenters are constructed in excellent yields, good d.r. and excellent ee values. Experimental studies and DFT (density functional theory) calculations reveal that the large steric hindrance of the ligand and the Boc (tButyloxy carbonyl) protecting group of imines are critical factors for the α-regioselectivity.
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Affiliation(s)
- Jinxiu Xu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, 610064, Chengdu, China
| | - Yanji Song
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, 610064, Chengdu, China
| | - Jia Yang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, 610064, Chengdu, China
| | - Bingqian Yang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, 610064, Chengdu, China
| | - Zhishan Su
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, 610064, Chengdu, China
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, 610064, Chengdu, China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, 610064, Chengdu, China
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3
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Almendros P, Esteban P, Herrera F, San Martín D, Luna A. Regioselectivity Switch Based on the Stoichiometry: Stereoselective Synthesis of Trisubstituted Vinyl Epoxides by Cu‐Catalyzed 3‐exo‐trig Cyclization of α‐Allenols. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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4
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Wang X, Li D, Zhang J, Gong J, Fu J, Yang Z. A Synthetic Route to The Core Structure of (-)-Retigeranic Acid A. Org Lett 2021; 23:5092-5097. [PMID: 34128684 DOI: 10.1021/acs.orglett.1c01633] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Retigeranic acid A is a uniquely structured pentacyclic sesterterpene bearing eight stereogenic centers. We report a concise route to the core structure of (-)-retigeranic acid A. The stereochemistry of its six chiral centers and three quaternary carbon centers was well-controlled. This route features two intramolecular Pauson-Khand reactions (IMPKRs): the first forged the D and E rings to deliver the triquinane subunit, and the second constructed the A and B rings and diastereoselectively installed the quaternary C6a center.
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Affiliation(s)
- Xiao Wang
- State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China
| | - Dian Li
- State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China
| | - Junlin Zhang
- State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China
| | - Jianxian Gong
- State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China
| | - Junkai Fu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China
| | - Zhen Yang
- State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China.,Beijing National Laboratory for Molecular Science and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of the Ministry of Education, College of Chemistry and Molecular Engineering and Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.,Shenzhen Bay Laboratory, Shenzhen, Guangdong 518055, China
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5
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Xu J, Song Y, He J, Dong S, Lin L, Feng X. Asymmetric Catalytic Vinylogous Addition Reactions Initiated by Meinwald Rearrangement of Vinyl Epoxides. Angew Chem Int Ed Engl 2021; 60:14521-14527. [PMID: 33826200 DOI: 10.1002/anie.202102054] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Indexed: 11/08/2022]
Abstract
The first catalytic asymmetric multiple vinylogous addition reactions initiated by Meinwald rearrangement of vinyl epoxides were realized by employing chiral N,N'-dioxide/ScIII complex catalysts. The vinyl epoxides, as masked β,γ-unsaturated aldehydes, via direct vinylogous additions with isatins, 2-alkenoylpyridines or methyleneindolinones, provided a facile and efficient way for the synthesis of chiral 3-hydroxy-3-substituted oxindoles, α,β-unsaturated aldehydes and spiro-cyclohexene indolinones, respectively with high efficiency and stereoselectivity. The control experiments and kinetic studies revealed that the Lewis acid acted as dual-tasking catalyst, controlling the initial rearrangement to match subsequent enantioselective vinylogous addition reactions. A catalytic cycle with a possible transition model was proposed to illustrate the reaction mechanism.
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Affiliation(s)
- Jinxiu Xu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Yanji Song
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Jun He
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Shunxi Dong
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
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6
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Xu J, Song Y, He J, Dong S, Lin L, Feng X. Asymmetric Catalytic Vinylogous Addition Reactions Initiated by Meinwald Rearrangement of Vinyl Epoxides. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jinxiu Xu
- Key Laboratory of Green Chemistry & Technology Ministry of Education College of Chemistry Sichuan University Chengdu 610064 China
| | - Yanji Song
- Key Laboratory of Green Chemistry & Technology Ministry of Education College of Chemistry Sichuan University Chengdu 610064 China
| | - Jun He
- Key Laboratory of Green Chemistry & Technology Ministry of Education College of Chemistry Sichuan University Chengdu 610064 China
| | - Shunxi Dong
- Key Laboratory of Green Chemistry & Technology Ministry of Education College of Chemistry Sichuan University Chengdu 610064 China
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology Ministry of Education College of Chemistry Sichuan University Chengdu 610064 China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology Ministry of Education College of Chemistry Sichuan University Chengdu 610064 China
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7
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Teng Q, Mao W, Chen D, Wang Z, Tung C, Xu Z. Asymmetric Synthesis of a Fused Tricyclic Hydronaphthofuran Scaffold by Desymmetric [2+2+2] Cycloaddition. Angew Chem Int Ed Engl 2020; 59:2220-2224. [DOI: 10.1002/anie.201911071] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/15/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Qi Teng
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Wenxiu Mao
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Dong Chen
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Zhen Wang
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Chen‐Ho Tung
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Zhenghu Xu
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic ChemistryChinese Academy of Sciences Shanghai 200032 China
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8
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Teng Q, Mao W, Chen D, Wang Z, Tung C, Xu Z. Asymmetric Synthesis of a Fused Tricyclic Hydronaphthofuran Scaffold by Desymmetric [2+2+2] Cycloaddition. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911071] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Qi Teng
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Wenxiu Mao
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Dong Chen
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Zhen Wang
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Chen‐Ho Tung
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
| | - Zhenghu Xu
- Key Lab for Colloid and Interface Chemistry of Education MinistryDepartment of ChemistryShandong University No. 27 South Shanda Road Jinan 250100 China
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic ChemistryChinese Academy of Sciences Shanghai 200032 China
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9
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Zhang C, Ju H, Lu CZ, Zhao F, Liu J, Guo X, Wu Y, Zhao GR, Lu W. High-titer production of 13R-manoyl oxide in metabolically engineered Saccharomyces cerevisiae. Microb Cell Fact 2019; 18:73. [PMID: 31018856 PMCID: PMC6480505 DOI: 10.1186/s12934-019-1123-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 04/19/2019] [Indexed: 01/30/2023] Open
Abstract
Background Diterpenoids are a large class of natural products with complex structures and broad commercial applications as food additives, important medicines, and fragrances. However, their low abundance in plants and high structural complexity limit their applications. Therefore, it is important to create an efficient diterpenoid-producing yeast cell factory of the production of various high-value diterpenoid compounds in a cost-effective manner Results In this study, 13R-manoyl oxide (13R-MO; 2.31 mg/L) was produced by expressing CfTPS2 and CfTPS3 from Coleusforskohlii in Saccharomyces cerevisiae. The 13R-MO titer was increased by 142-fold to 328.15 mg/L via the stepwise metabolic engineering of the original strain, including the overexpression of the rate-limiting genes (tHMG1 and ERG20) of the mevalonate pathway, transcription and protein level regulation of ERG9, Bts1p and Erg20F96Cp fusion, and the overexpression of tCfTPS2 and tCfTPS3 (excision of the N-terminal plastid transit peptide sequences of CfTPS2 and CfTPS3). The final titer of 13R-MO reached up to 3 g/L by fed-batch fermentation in a 5 L bioreactor. Conclusions In this study, an efficient 13R-MO yeast cell factory was constructed, which achieved the de novo production of 3 g/L of 13R-MO from glucose. To the best of our knowledge, this is the highest 13R-MO titer reported to date. Furthermore, the metabolic engineering strategies presented here could be used to produce other valuable diterpenoid compounds in yeast. Electronic supplementary material The online version of this article (10.1186/s12934-019-1123-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chuanbo Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, People's Republic of China
| | - Haiyan Ju
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, People's Republic of China
| | - Chun-Zhe Lu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, People's Republic of China
| | - Fanglong Zhao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, People's Republic of China
| | - Jingjing Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, People's Republic of China
| | - Xiaoyan Guo
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, People's Republic of China
| | - Yufen Wu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, People's Republic of China
| | - Guang-Rong Zhao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, People's Republic of China.,Key Laboratory of System Bioengineering (Tianjin University), Ministry of Education, Tianjin, 300350, People's Republic of China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300350, People's Republic of China
| | - Wenyu Lu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, People's Republic of China. .,Key Laboratory of System Bioengineering (Tianjin University), Ministry of Education, Tianjin, 300350, People's Republic of China. .,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300350, People's Republic of China.
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10
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Sengupta S, Mehta G. Natural products as modulators of the cyclic-AMP pathway: evaluation and synthesis of lead compounds. Org Biomol Chem 2019; 16:6372-6390. [PMID: 30140804 DOI: 10.1039/c8ob01388h] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
It is now well recognized that the normal cellular response in mammalian cells is critically regulated by the cyclic-AMP (cAMP) pathway through the appropriate balance of adenylyl cyclase (AC) and phosphodiesterase-4 (PDE4) activities. Dysfunctions in the cAMP pathway have major implications in various diseases like CNS disorders, inflammation and cardiac syndromes and, hence, the modulation of cAMP signalling through appropriate intervention of AC/PDE4 activities has emerged as a promising new drug discovery strategy of current interest. In this context, synthetic small molecules have had limited success so far and therefore parallel efforts on natural product leads have been actively pursued. The early promise of using the diterpene forskolin and its semi-synthetic analogs as AC activators has given way to new leads in the last decade from novel natural products like the marine sesterterpenoids alotaketals and ansellones and the 9,9'-diarylfluorenone cored selaginpulvilins, etc. and their synthesis has drawn much attention. This review captures these contemporary developments, particularly total synthesis campaigns and structure-guided analog design in the context of AC and PDE-4 modulating attributes and the scope for future possibilities.
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Affiliation(s)
- Saumitra Sengupta
- School of Chemistry, University of Hyderabad, Gachibowli, Hyderabad - 5000 046, Telengana, India.
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11
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Hylse O, Maier L, Kučera R, Perečko T, Svobodová A, Kubala L, Paruch K, Švenda J. A Concise Synthesis of Forskolin. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Ondřej Hylse
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
| | - Lukáš Maier
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
| | - Roman Kučera
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
| | - Tomáš Perečko
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
- Institute of Biophysics Academy of Sciences of the Czech Republic Královopolská 135 Brno 612 65 Czech Republic
| | - Aneta Svobodová
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
- Institute of Biophysics Academy of Sciences of the Czech Republic Královopolská 135 Brno 612 65 Czech Republic
| | - Lukáš Kubala
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
- Institute of Biophysics Academy of Sciences of the Czech Republic Královopolská 135 Brno 612 65 Czech Republic
| | - Kamil Paruch
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
| | - Jakub Švenda
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
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12
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Hylse O, Maier L, Kučera R, Perečko T, Svobodová A, Kubala L, Paruch K, Švenda J. A Concise Synthesis of Forskolin. Angew Chem Int Ed Engl 2017; 56:12586-12589. [DOI: 10.1002/anie.201706809] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Ondřej Hylse
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
| | - Lukáš Maier
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
| | - Roman Kučera
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
| | - Tomáš Perečko
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
- Institute of Biophysics Academy of Sciences of the Czech Republic Královopolská 135 Brno 612 65 Czech Republic
| | - Aneta Svobodová
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
- Institute of Biophysics Academy of Sciences of the Czech Republic Královopolská 135 Brno 612 65 Czech Republic
| | - Lukáš Kubala
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
- Institute of Biophysics Academy of Sciences of the Czech Republic Královopolská 135 Brno 612 65 Czech Republic
| | - Kamil Paruch
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
| | - Jakub Švenda
- Department of Chemistry Masaryk University Kamenice 5 Brno 625 00 Czech Republic
- International Clinical Research Center St. Anne's University Hospital Pekařská 53 Brno 656 91 Czech Republic
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13
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Kumar R, Hoshimoto Y, Tamai E, Ohashi M, Ogoshi S. Two-step synthesis of chiral fused tricyclic scaffolds from phenols via desymmetrization on nickel. Nat Commun 2017; 8:32. [PMID: 28652575 PMCID: PMC5484674 DOI: 10.1038/s41467-017-00068-8] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Accepted: 04/26/2017] [Indexed: 12/04/2022] Open
Abstract
Tricyclic furan derivatives with multiple chiral centers are ubiquitous in natural products. Construction of such tricyclic scaffolds in a stereocontrolled, step-economic, and atom-economic manner is a key challenge. Here we show a nickel-catalyzed highly enantioselective synthesis of hydronaphtho[1,8-bc]furans with five contiguous chiral centers via desymmetrization of alkynyl-cyclohexadienone by oxidative cyclization and following formal [4 + 2] cycloaddition processes. Alkynyl-cyclohexadienone was synthesized in one step from easily accessible phenols. This reaction represents excellent chemo-selectivity, regio-selectivity, diastereo-selectivity, and enantio-selectivity (single diastereomer, up to 99% ee). An extraordinary regioselectivity in the formal [4 + 2] cycloaddition step with enones revealed the diverse reactivity of the nickelacycle intermediate. Desymmetrization of alkynyl-cyclohexadienones via oxidative cyclization on nickel was supported by the isolation of a nickelacycle from a stoichiometric reaction. Enantioenriched tricyclic products contain various functional groups such as C=O and C=C. The synthetic utility of these products was demonstrated by derivatization of these functional groups. Tricyclic furanic compounds with multiple chiral centers are found in a variety of natural products. Here, the authors show a highly enantioselective nickel-catalyzed procedure to access tricyclic oxygen-containing scaffolds with five contiguous chiral centers.
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Affiliation(s)
- Ravindra Kumar
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Yoichi Hoshimoto
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan.,Frontier Research Base for Global Young Researchers, Graduate School of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Eri Tamai
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Masato Ohashi
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Sensuke Ogoshi
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan.
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14
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Pateraki I, Andersen-Ranberg J, Jensen NB, Wubshet SG, Heskes AM, Forman V, Hallström B, Hamberger B, Motawia MS, Olsen CE, Staerk D, Hansen J, Møller BL, Hamberger B. Total biosynthesis of the cyclic AMP booster forskolin from Coleus forskohlii. eLife 2017; 6:e23001. [PMID: 28290983 PMCID: PMC5388535 DOI: 10.7554/elife.23001] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 03/09/2017] [Indexed: 12/17/2022] Open
Abstract
Forskolin is a unique structurally complex labdane-type diterpenoid used in the treatment of glaucoma and heart failure based on its activity as a cyclic AMP booster. Commercial production of forskolin relies exclusively on extraction from its only known natural source, the plant Coleus forskohlii, in which forskolin accumulates in the root cork. Here, we report the discovery of five cytochrome P450s and two acetyltransferases which catalyze a cascade of reactions converting the forskolin precursor 13R-manoyl oxide into forskolin and a diverse array of additional labdane-type diterpenoids. A minimal set of three P450s in combination with a single acetyl transferase was identified that catalyzes the conversion of 13R-manoyl oxide into forskolin as demonstrated by transient expression in Nicotiana benthamiana. The entire pathway for forskolin production from glucose encompassing expression of nine genes was stably integrated into Saccharomyces cerevisiae and afforded forskolin titers of 40 mg/L.
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Affiliation(s)
- Irini Pateraki
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Synthetic Biology “bioSYNergy”, Copenhagen, Denmark
| | - Johan Andersen-Ranberg
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Synthetic Biology “bioSYNergy”, Copenhagen, Denmark
| | | | - Sileshi Gizachew Wubshet
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Allison Maree Heskes
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Synthetic Biology “bioSYNergy”, Copenhagen, Denmark
| | - Victor Forman
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Björn Hallström
- Science for Life Laboratory, KTH - Royal Institute of Technology, Stockholm, Sweden
| | - Britta Hamberger
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Synthetic Biology “bioSYNergy”, Copenhagen, Denmark
| | - Mohammed Saddik Motawia
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Synthetic Biology “bioSYNergy”, Copenhagen, Denmark
| | - Carl Erik Olsen
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Synthetic Biology “bioSYNergy”, Copenhagen, Denmark
| | - Dan Staerk
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | | | - Birger Lindberg Møller
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Synthetic Biology “bioSYNergy”, Copenhagen, Denmark
| | - Björn Hamberger
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Synthetic Biology “bioSYNergy”, Copenhagen, Denmark
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15
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Mori N, Nishiuma K, Sugiyama T, Hayashi H, Akiyama K. Carlactone-type strigolactones and their synthetic analogues as inducers of hyphal branching in arbuscular mycorrhizal fungi. PHYTOCHEMISTRY 2016; 130:90-8. [PMID: 27264641 DOI: 10.1016/j.phytochem.2016.05.012] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 05/23/2016] [Accepted: 05/27/2016] [Indexed: 05/23/2023]
Abstract
Hyphal branching in the vicinity of host roots is a host recognition response of arbuscular mycorrhizal fungi. This morphological event is elicited by strigolactones. Strigolactones are carotenoid-derived terpenoids that are synthesized from carlactone and its oxidized derivatives. To test the possibility that carlactone and its oxidized derivatives might act as host-derived precolonization signals in arbuscular mycorrhizal symbiosis, carlactone, carlactonoic acid, and methyl carlactonoate as well as monohydroxycarlactones, 4-, 18-, and 19-hydroxycarlactones, were synthesized chemically and evaluated for hyphal branching-inducing activity in germinating spores of the arbuscular mycorrhizal fungus Gigaspora margarita. Hyphal branching activity was found to correlate with the degree of oxidation at C-19 methyl. Carlactone was only weakly active (100 ng/disc), whereas carlactonoic acid showed comparable activity to the natural canonical strigolactones such as strigol and sorgomol (100 pg/disc). Hydroxylation at either C-4 or C-18 did not significantly affect the activity. A series of carlactone analogues, named AD ester and AA'D diester, was synthesized by reacting formyl Meldrum's acid with benzyl, cyclohexylmethyl, and cyclogeranyl alcohols (the A-ring part), followed by coupling of the potassium enolates of the resulting formylacetic esters with the D-ring butenolide. AD ester analogues exhibited moderate activity (1 ng-100 pg/disc), while AA'D diester analogues having cyclohexylmethyl and cyclogeranyl groups were highly active on the AM fungus (10 pg/disc). These results indicate that the oxidation of methyl to carboxyl at C-19 in carlactone is a prerequisite but BC-ring formation is not essential to show hyphal branching activity comparable to that of canonical strigolactones.
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Affiliation(s)
- Narumi Mori
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Kenta Nishiuma
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Takuya Sugiyama
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Hideo Hayashi
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Kohki Akiyama
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
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16
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Martín-Santos C, Jarava-Barrera C, del Pozo S, Parra A, Díaz-Tendero S, Mas-Ballesté R, Cabrera S, Alemán J. Highly Enantioselective Construction of Tricyclic Derivatives by the Desymmetrization of Cyclohexadienones. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201402853] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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17
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Martín-Santos C, Jarava-Barrera C, del Pozo S, Parra A, Díaz-Tendero S, Mas-Ballesté R, Cabrera S, Alemán J. Highly Enantioselective Construction of Tricyclic Derivatives by the Desymmetrization of Cyclohexadienones. Angew Chem Int Ed Engl 2014; 53:8184-9. [DOI: 10.1002/anie.201402853] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 05/01/2014] [Indexed: 11/10/2022]
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18
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Affiliation(s)
- Jiayun He
- Department of Chemistry and
State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong
| | - Jesse Ling
- Department of Chemistry and
State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong
| | - Pauline Chiu
- Department of Chemistry and
State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong
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