1
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Han T, Miao G. Strategies, Achievements, and Potential Challenges of Plant and Microbial Chassis in the Biosynthesis of Plant Secondary Metabolites. Molecules 2024; 29:2106. [PMID: 38731602 PMCID: PMC11085123 DOI: 10.3390/molecules29092106] [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: 03/08/2024] [Revised: 04/27/2024] [Accepted: 04/27/2024] [Indexed: 05/13/2024] Open
Abstract
Diverse secondary metabolites in plants, with their rich biological activities, have long been important sources for human medicine, food additives, pesticides, etc. However, the large-scale cultivation of host plants consumes land resources and is susceptible to pest and disease problems. Additionally, the multi-step and demanding nature of chemical synthesis adds to production costs, limiting their widespread application. In vitro cultivation and the metabolic engineering of plants have significantly enhanced the synthesis of secondary metabolites with successful industrial production cases. As synthetic biology advances, more research is focusing on heterologous synthesis using microorganisms. This review provides a comprehensive comparison between these two chassis, evaluating their performance in the synthesis of various types of secondary metabolites from the perspectives of yield and strategies. It also discusses the challenges they face and offers insights into future efforts and directions.
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Affiliation(s)
- Taotao Han
- Department of Bioengineering, Huainan Normal University, Huainan 232038, China;
| | - Guopeng Miao
- Department of Bioengineering, Huainan Normal University, Huainan 232038, China;
- Key Laboratory of Bioresource and Environmental Biotechnology of Anhui Higher Education Institutes, Huainan Normal University, Huainan 232038, China
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2
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Chen N, Xie R, Chen JP, Zhong YL, Zhang XW, Gui QW, Guo C, Yang H. Proposal for the classification of sinomenine alkaloids. Fitoterapia 2024; 172:105713. [PMID: 37949304 DOI: 10.1016/j.fitote.2023.105713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/12/2023]
Abstract
The chemical structure of sinoacutine is formed by a phenanthrene nucleus and an ethylamine bridge. Because it has a similar parent structure to morphine, it is subdivided into morphinane. At present, all reports have pointed out that the basic skeleton of morphine alkaloids is salutaridine (the isomer of sinoacutine), which is generated by the phenol coupling reaction of (R)-reticuline. This study shows that the biosynthetic precursors of sinoacutine and salutaridine are different. In this paper, the sinoacutine synthetase (SinSyn) gene was cloned from Sinomenium acutum and expressed SinSyn protein. Sinoacutine was produced by SinSyn catalyzed (S)-reticuline, according to the results of enzyme-catalyzed experiments. The optical activity, nuclear magnetic resonance, and mass spectrum of sinoacutine and salutaridine were analyzed. The classification and pharmacological action of isoquinoline alkaloids were discussed. It was suggested that sinoacutine should be separated from morphinane and classified as sinomenine alkaloids.
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Affiliation(s)
- Na Chen
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China
| | - Rui Xie
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China
| | - Jia-Pei Chen
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China
| | - Ying-Li Zhong
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China
| | - Xian-Wen Zhang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China
| | - Qing-Wen Gui
- College of Chemistry and Materials Science, Hunan Agricultural University, Changsha, 410128, PR China
| | - Chun Guo
- First Affiliated Hospital, Hunan University of Chinese Medicine, Changsha 410007, PR China.
| | - Hua Yang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China.
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3
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Pyne ME, Gold ND, Martin VJJ. Pathway elucidation and microbial synthesis of proaporphine and bis-benzylisoquinoline alkaloids from sacred lotus (Nelumbo nucifera). Metab Eng 2023; 77:162-173. [PMID: 37004909 DOI: 10.1016/j.ymben.2023.03.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/07/2023] [Accepted: 03/25/2023] [Indexed: 04/03/2023]
Abstract
Sacred lotus (Nelumbo nucifera) has been utilized as a food, medicine, and spiritual symbol for nearly 3000 years. The medicinal properties of lotus are largely attributed to its unique profile of benzylisoquinoline alkaloids (BIAs), which includes potential anti-cancer, anti-malarial and anti-arrhythmic compounds. BIA biosynthesis in sacred lotus differs markedly from that of opium poppy and other members of the Ranunculales, most notably in an abundance of BIAs possessing the (R)-stereochemical configuration and the absence of reticuline, a major branchpoint intermediate in most BIA producers. Owing to these unique metabolic features and the pharmacological potential of lotus, we set out to elucidate the BIA biosynthesis network in N. nucifera. Here we show that lotus CYP80G (NnCYP80G) and a superior ortholog from Peruvian nutmeg (Laurelia sempervirens; LsCYP80G) stereospecifically convert (R)-N-methylcoclaurine to the proaporphine alkaloid glaziovine, which is subsequently methylated to pronuciferine, the presumed precursor to nuciferine. While sacred lotus employs a dedicated (R)-route to aporphine alkaloids from (R)-norcoclaurine, we implemented an artificial stereochemical inversion approach to flip the stereochemistry of the core BIA pathway. Exploiting the unique substrate specificity of dehydroreticuline synthase from common poppy (Papaver rhoeas) and pairing it with dehydroreticuline reductase enabled de novo synthesis of (R)-N-methylcoclaurine from (S)-norcoclaurine and its subsequent conversion to pronuciferine. We leveraged our stereochemical inversion approach to also elucidate the role of NnCYP80A in sacred lotus metabolism, which we show catalyzes the stereospecific formation of the bis-BIA nelumboferine. Screening our collection of 66 plant O-methyltransferases enabled conversion of nelumboferine to liensinine, a potential anti-cancer bis-BIA from sacred lotus. Our work highlights the unique benzylisoquinoline metabolism of N. nucifera and enables the targeted overproduction of potential lotus pharmaceuticals using engineered microbial systems.
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Affiliation(s)
- Michael E Pyne
- Department of Biology, Concordia University, Montréal, Québec, Canada; Centre for Applied Synthetic Biology, Concordia University, Montréal, Québec, Canada.
| | - Nicholas D Gold
- Centre for Applied Synthetic Biology, Concordia University, Montréal, Québec, Canada; Concordia Genome Foundry, Concordia University, Montréal, Québec, Canada
| | - Vincent J J Martin
- Department of Biology, Concordia University, Montréal, Québec, Canada; Centre for Applied Synthetic Biology, Concordia University, Montréal, Québec, Canada.
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4
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Ozber N, Yu L, Hagel JM, Facchini PJ. Strong Feedback Inhibition of Key Enzymes in the Morphine Biosynthetic Pathway from Opium Poppy Detectable in Engineered Yeast. ACS Chem Biol 2023; 18:419-430. [PMID: 36735832 DOI: 10.1021/acschembio.2c00873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Systematic screening of morphine pathway intermediates in engineered yeast revealed key biosynthetic enzymes displaying potent feedback inhibition: 3'-hydroxy-N-methylcoclaurine 4'-methyltransferase (4'OMT), which yields (S)-reticuline, and the coupled salutaridinol-7-O-acetyltransferase (SalAT) and thebaine synthase (THS2) enzyme system that produces thebaine. The addition of deuterated reticuline-d1 to a yeast strain able to convert (S)-norcoclaurine to (S)-reticuline showed reduced product accumulation in response to the feeding of all four successive pathway intermediates. Similarly, the addition of deuterated thebaine-d3 to a yeast strain able to convert salutaridine to thebaine showed reduced product accumulation from exogenous salutaridine or salutaridinol. In vitro analysis showed that reticuline is a noncompetitive inhibitor of 4'OMT, whereas thebaine exerts mixed inhibition on SalAT/THS2. In a yeast strain capable of de novo morphine biosynthesis, the addition of reticuline and thebaine resulted in the accumulation of several pathway intermediates. In contrast, morphine had no effect, suggesting that circumventing the interaction of reticuline and thebaine with 4'OMT and SalAT/THS2, respectively, could substantially increase opiate alkaloid titers in engineered yeast.
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Affiliation(s)
- Natali Ozber
- Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Lisa Yu
- Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Jillian M Hagel
- Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Peter J Facchini
- Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada
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5
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Versatile tools of synthetic biology applied to drug discovery and production. Future Med Chem 2022; 14:1325-1340. [PMID: 35975897 DOI: 10.4155/fmc-2022-0063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Although synthetic biology is an emerging research field, which has come to prominence within the last decade, it already has many practical applications. Its applications cover the areas of pharmaceutical biotechnology and drug discovery, bringing essential novel methods and strategies such as metabolic engineering, reprogramming the cell fate, drug production in genetically modified organisms, molecular glues, functional nucleic acids and genome editing. This review discusses the main avenues for synthetic biology application in pharmaceutical biotechnology. The authors believe that synthetic biology will reshape drug development and drug production to a similar extent as the advances in organic chemical synthesis in the 20th century. Therefore, synthetic biology already plays an essential role in pharmaceutical, biotechnology, which is the main focus of this review.
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6
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Medicinal phytometabolites synthesis using yeast bioengineering platform. THE NUCLEUS 2022. [DOI: 10.1007/s13237-022-00396-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
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7
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Biotechnological Approaches to Optimize the Production of Amaryllidaceae Alkaloids. Biomolecules 2022; 12:biom12070893. [PMID: 35883449 PMCID: PMC9313318 DOI: 10.3390/biom12070893] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 02/01/2023] Open
Abstract
Amaryllidaceae alkaloids (AAs) are plant specialized metabolites with therapeutic properties exclusively produced by the Amaryllidaceae plant family. The two most studied representatives of the family are galanthamine, an acetylcholinesterase inhibitor used as a treatment of Alzheimer’s disease, and lycorine, displaying potent in vitro and in vivo cytotoxic and antiviral properties. Unfortunately, the variable level of AAs’ production in planta restricts most of the pharmaceutical applications. Several biotechnological alternatives, such as in vitro culture or synthetic biology, are being developed to enhance the production and fulfil the increasing demand for these AAs plant-derived drugs. In this review, current biotechnological approaches to produce different types of bioactive AAs are discussed.
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8
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Al-Harrasi A, Behl T, Upadhyay T, Chigurupati S, Bhatt S, Sehgal A, Bhatia S, Singh S, Sharma N, Vijayabalan S, Palanimuthu VR, Das S, Kaur R, Aleya L, Bungau S. Targeting natural products against SARS-CoV-2. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:42404-42432. [PMID: 35362883 PMCID: PMC8972763 DOI: 10.1007/s11356-022-19770-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 03/13/2022] [Indexed: 06/01/2023]
Abstract
The human coronavirus disease (COVID-19) pandemic is caused by a novel coronavirus; the Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV-2). Natural products, secondary metabolites show positive leads with antiviral and immunotherapy treatments using genomic studies in silico docking. In addition, it includes the action of a mechanism targeting the SARS-CoV-2. In this literature, we aimed to evaluate the antiviral movement of the NT-VRL-1 unique terpene definition to Human coronavirus (HCoV-229E). The effects of 19 hydrolysable tannins on the SARS-CoV-2 were therefore theoretically reviewed and analyzed utilising the molecular operating surroundings for their C-Like protease 3CLpro catalytic dyad residues Angiotensin converting enzyme-2 (MOE 09). Pedunculagin, tercatan, and castalin were detected as interacting strongly with SARS-receptor Cov-2's binding site and catalytic dyad (Cys145 and His41). SARS-CoV-2 methods of subunit S1 (ACE2) inhibit the interaction of the receiver with the s-protein once a drug molecule is coupled to the s-protein and prevent it from infecting the target cells in alkaloids. Our review strongly demonstrates the evidence that natural compounds and their derivatives can be used against the human coronavirus and serves as an area of research for future perspective.
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Affiliation(s)
- Ahmed Al-Harrasi
- Natural & Medical Sciences Research Center, University of Nizwa, Birkat Al Mawz, Oman
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Tanuj Upadhyay
- Amity Institute of Pharmacy, Amity University, Gwalior, Madhya Pradesh, India
| | - Sridevi Chigurupati
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraidah, Kingdom of Saudi Arabia
| | - Shvetank Bhatt
- Amity Institute of Pharmacy, Amity University, Gwalior, Madhya Pradesh, India
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Saurabh Bhatia
- Natural & Medical Sciences Research Center, University of Nizwa, Birkat Al Mawz, Oman
- School of Health Science, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Neelam Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Shantini Vijayabalan
- Faculty of Health and Medical Sciences, School of Pharmacy, Taylor's University, Subang Jaya, Kuala Lumpur, Malaysia
| | - Vasanth Raj Palanimuthu
- Department of Pharmaceutical Biotechnology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamilnadu, India
| | - Suprava Das
- Department of Pharmacology, Faculty of Medicine, AIMST University, Semeling, Bedong, Kedah, Malaysia
| | - Rajwinder Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Lotfi Aleya
- Chrono-Environment Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, Besançon, France
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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9
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Schmitt-Koopmann C, Baud CA, Junod V, Simon O. Switzerland's Dependence on a Diamorphine Monopoly. Front Psychiatry 2022; 13:882299. [PMID: 35615450 PMCID: PMC9125182 DOI: 10.3389/fpsyt.2022.882299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
In 2021, the manufacturer of diamorphine reported a possible impending shortage for Switzerland and Germany. This led us to investigate this controlled medicine's manufacture, market, and regulatory constraints. Based on our analysis of legal texts and gray literature in the form of reports and documents, we propose recommendations to prevent and address diamorphine shortages in Switzerland. Diamorphine, also known as pharmaceutical "heroin," is used medically to treat persons with severe opioid use disorder in a handful of countries. The controlled medicine is manufactured from morphine, which, in turn, is extracted from opium poppies. Studying data from the International Narcotics Control Board for 2019, we find that Switzerland accounts for almost half of the worldwide medical consumption of diamorphine. It manufactures more than half of the worldwide total and keeps the largest stocks. Moreover, Switzerland is dependent on a sole supplier of diamorphine (monopoly). As a niche product, diamorphine has an increased risk of shortage. Such a shortage would immediately threaten a valuable public health program for around 1,660 Swiss patients. We believe it is urgent to curtail the monopoly and ensure a stable supply for the future.
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Affiliation(s)
- Caroline Schmitt-Koopmann
- Service of Addiction Medicine, Lausanne University Hospital (CHUV), University of Lausanne, Lausanne, Switzerland
| | - Carole-Anne Baud
- Faculty of Business and Economics, University of Lausanne, Lausanne, Switzerland
| | - Valérie Junod
- Faculty of Business and Economics, University of Lausanne, Lausanne, Switzerland
- Faculty of Law, University of Geneva, Geneve, Switzerland
| | - Olivier Simon
- Service of Addiction Medicine, Lausanne University Hospital (CHUV), University of Lausanne, Lausanne, Switzerland
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10
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Biotechnological production of specialty aromatic and aromatic-derivative compounds. World J Microbiol Biotechnol 2022; 38:80. [PMID: 35338395 DOI: 10.1007/s11274-022-03263-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/05/2022] [Indexed: 10/18/2022]
Abstract
Aromatic compounds are an important class of chemicals with different industrial applications. They are usually produced by chemical synthesis from petroleum-derived feedstocks, such as toluene, xylene and benzene. However, we are now facing threats from the excessive use of fossil fuels causing environmental problems such as global warming. Furthermore, fossil resources are not infinite, and will ultimately be depleted. To cope with these problems, the sustainable production of aromatic chemicals from renewable non-food biomass is urgent. With this in mind, the search for alternative methodologies to produce aromatic compounds using low-cost and environmentally friendly processes is becoming more and more important. Microorganisms are able to produce aromatic and aromatic-derivative compounds from sugar-based carbon sources. Metabolic engineering strategies as well as bioprocess optimization enable the development of microbial cell factories capable of efficiently producing aromatic compounds. This review presents current breakthroughs in microbial production of specialty aromatic and aromatic-derivative products, providing an overview on the general strategies and methodologies applied to build microbial cell factories for the production of these compounds. We present and describe some of the current challenges and gaps that must be overcome in order to render the biotechnological production of specialty aromatic and aromatic-derivative attractive and economically feasible at industrial scale.
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11
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Vennis IM, Schaap MM, Hogervorst PAM, de Bruin A, Schulpen S, Boot MA, van Passel MWJ, Rutjes SA, Bleijs DA. Dual-Use Quickscan: A Web-Based Tool to Assess the Dual-Use Potential of Life Science Research. Front Bioeng Biotechnol 2021; 9:797076. [PMID: 34957083 PMCID: PMC8696162 DOI: 10.3389/fbioe.2021.797076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 11/03/2021] [Indexed: 12/02/2022] Open
Abstract
Research on pathogenic organisms is crucial for medical, biological and agricultural developments. However, biological agents as well as associated knowledge and techniques, can also be misused, for example for the development of biological weapons. Potential malicious use of well-intended research, referred to as “dual-use research”, poses a threat to public health and the environment. There are various international resources providing frameworks to assess dual-use potential of the research concerned. However, concrete instructions for researchers on how to perform a dual-use risk assessment is largely lacking. The international need for practical dual-use monitoring and risk assessment instructions, in addition to the need to raise awareness among scientists about potential dual-use aspects of their research has been identified over the last years by the Netherlands Biosecurity Office, through consulting national and international biorisk stakeholders. We identified that Biorisk Management Advisors and researchers need a practical tool to facilitate a dual-use assessment on their specific research. Therefore, the Netherlands Biosecurity Office developed a web-based Dual-Use Quickscan (www.dualusequickscan.com), that can be used periodically by researchers working with microorganisms to assess potential dual-use risks of their research by answering a set of fifteen yes/no questions. The questions for the tool were extracted from existing international open resources, and categorized into three themes: characteristics of the biological agent, knowledge and technology about the biological agent, and consequences of misuse. The results of the Quickscan provide the researcher with an indication of the dual-use potential of the research and can be used as a basis for further discussions with a Biorisk Management Advisor. The Dual-Use Quickscan can be embedded in a broader system of biosafety and biosecurity that includes dual-use monitoring and awareness within organizations. Increased international attention to examine pathogens with pandemic potential has been enhanced by the current COVID-19 pandemic, hence monitoring of dual-use potential urgently needs to be encouraged.
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Affiliation(s)
- Iris M Vennis
- Biosecurity Office, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Mirjam M Schaap
- Biosecurity Office, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Petra A M Hogervorst
- Biosecurity Office, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Arnout de Bruin
- Biosecurity Office, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Sjors Schulpen
- Biosecurity Office, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Marijke A Boot
- Biosecurity Office, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Mark W J van Passel
- Biosecurity Office, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Saskia A Rutjes
- Biosecurity Office, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Diederik A Bleijs
- Biosecurity Office, National Institute for Public Health and the Environment, Bilthoven, Netherlands
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12
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Zhou X, Yuan M, Li L, Wang J, Zeng Y, Chen H. Chromatographic and spectroscopic study of impurities present in thebaine obtained from Papaver bracteatum Lindl. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01757-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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M V, Wang K. Dietary natural products as a potential inhibitor towards advanced glycation end products and hyperglycemic complications: A phytotherapy approaches. Biomed Pharmacother 2021; 144:112336. [PMID: 34678719 DOI: 10.1016/j.biopha.2021.112336] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 10/07/2021] [Accepted: 10/10/2021] [Indexed: 12/14/2022] Open
Abstract
Natural products exist in various natural foods such as plants, herbs, fruits, and vegetables. Furthermore, marine life offers potential natural products with significant biological activity. The biochemical reaction is known as advanced glycation end products (AGEs) occurs in the human body. On the other hand, foods are capable of a wide range of processing conditions resulting in the generation of exogenous AGEs adducts. Protein glycation and the formation of advanced glycation end products both contribute to the pathogenesis of hyperglycemic complications. AGEs also play a pivotal role in microvascular and macrovascular complications progression by receptors for advanced glycation end products (RAGE). RAGE activate by AGEs leads to up-regulation of transcriptional factor NF-kB and inflammatory genes. Around the globe, researchers are working in various approaches for therapeutical implications on controlling AGEs mediated disease complications. In this regard, one of the potential promising agents observed with a wide range of AGEs inhibition by food-derived natural products. Current biotechnological tools have been turned to natural products or phytochemicals to manufacture the molecules without compromising their functionality. Metabolic engineering and bioinformatics perspectives have recently enabled the generation of a few potent metabolites with anti-diabetic activity. As the primary focus, this review article will also discuss multidisciplinary approaches that emphasize current advances in anti-diabetic therapeutic action and future perspectives of natural products.
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Affiliation(s)
- Vijaykrishnaraj M
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China.
| | - Kuiwu Wang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China.
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14
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Carr SC, Torres MA, Morris JS, Facchini PJ, Ng KKS. Structural studies of codeinone reductase reveal novel insights into aldo-keto reductase function in benzylisoquinoline alkaloid biosynthesis. J Biol Chem 2021; 297:101211. [PMID: 34547292 PMCID: PMC8524200 DOI: 10.1016/j.jbc.2021.101211] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 11/22/2022] Open
Abstract
Benzylisoquinoline alkaloids (BIAs) are a class of specialized metabolites with a diverse range of chemical structures and physiological effects. Codeine and morphine are two closely related BIAs with particularly useful analgesic properties. The aldo-keto reductase (AKR) codeinone reductase (COR) catalyzes the final and penultimate steps in the biosynthesis of codeine and morphine, respectively, in opium poppy (Papaver somniferum). However, the structural determinants that mediate substrate recognition and catalysis are not well defined. Here, we describe the crystal structure of apo-COR determined to a resolution of 2.4 Å by molecular replacement using chalcone reductase as a search model. Structural comparisons of COR to closely related plant AKRs and more distantly related homologues reveal a novel conformation in the β1α1 loop adjacent to the BIA-binding pocket. The proximity of this loop to several highly conserved active-site residues and the expected location of the nicotinamide ring of the NADP(H) cofactor suggest a model for BIA recognition that implies roles for several key residues. Using site-directed mutagenesis, we show that substitutions at Met-28 and His-120 of COR lead to changes in AKR activity for the major and minor substrates codeinone and neopinone, respectively. Our findings provide a framework for understanding the molecular basis of substrate recognition in COR and the closely related 1,2-dehydroreticuline reductase responsible for the second half of a stereochemical inversion that initiates the morphine biosynthesis pathway.
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Affiliation(s)
- Samuel C Carr
- Department of Biological Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Megan A Torres
- Department of Biological Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Jeremy S Morris
- Department of Biological Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Peter J Facchini
- Department of Biological Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Kenneth K S Ng
- Department of Biological Sciences, University of Calgary, Calgary, Alberta, Canada; Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario, Canada.
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15
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Wicks C, Hudlicky T, Rinner U. Morphine alkaloids: History, biology, and synthesis. THE ALKALOIDS. CHEMISTRY AND BIOLOGY 2021; 86:145-342. [PMID: 34565506 DOI: 10.1016/bs.alkal.2021.04.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
This chapter provides a short overview of the history of morphine since it's isolation by Sertürner in 1805. The biosynthesis of the title alkaloid as well as all total and formal syntheses of morphine and codeine published after 1996 are discussed in detail. The last section of this chapter provides a detailed overview of medicinally relevant derivatives of the title alkaloid.
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Affiliation(s)
- Christopher Wicks
- Department of Chemistry and Centre for Biotechnology, Brock University, St. Catharines, ON, Canada
| | - Tomas Hudlicky
- Department of Chemistry and Centre for Biotechnology, Brock University, St. Catharines, ON, Canada
| | - Uwe Rinner
- IMC Fachhochschule Krems/IMC University of Applied Sciences Krems, Krems, Austria.
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16
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Diversity in Chemical Structures and Biological Properties of Plant Alkaloids. Molecules 2021; 26:molecules26113374. [PMID: 34204857 PMCID: PMC8199754 DOI: 10.3390/molecules26113374] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/23/2021] [Accepted: 04/23/2021] [Indexed: 12/13/2022] Open
Abstract
Phytochemicals belonging to the group of alkaloids are signature specialized metabolites endowed with countless biological activities. Plants are armored with these naturally produced nitrogenous compounds to combat numerous challenging environmental stress conditions. Traditional and modern healthcare systems have harnessed the potential of these organic compounds for the treatment of many ailments. Various chemical entities (functional groups) attached to the central moiety are responsible for their diverse range of biological properties. The development of the characterization of these plant metabolites and the enzymes involved in their biosynthesis is of an utmost priority to deliver enhanced advantages in terms of biological properties and productivity. Further, the incorporation of whole/partial metabolic pathways in the heterologous system and/or the overexpression of biosynthetic steps in homologous systems have both become alternative and lucrative methods over chemical synthesis in recent times. Moreover, in-depth research on alkaloid biosynthetic pathways has revealed numerous chemical modifications that occur during alkaloidal conversions. These chemical reactions involve glycosylation, acylation, reduction, oxidation, and methylation steps, and they are usually responsible for conferring the biological activities possessed by alkaloids. In this review, we aim to discuss the alkaloidal group of plant specialized metabolites and their brief classification covering major categories. We also emphasize the diversity in the basic structures of plant alkaloids arising through enzymatically catalyzed structural modifications in certain plant species, as well as their emerging diverse biological activities. The role of alkaloids in plant defense and their mechanisms of action are also briefly discussed. Moreover, the commercial utilization of plant alkaloids in the marketplace displaying various applications has been enumerated.
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17
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Menéndez-Perdomo IM, Hagel JM, Facchini PJ. Benzylisoquinoline alkaloid analysis using high-resolution Orbitrap LC-MS n. JOURNAL OF MASS SPECTROMETRY : JMS 2021; 56:e4683. [PMID: 33410198 DOI: 10.1002/jms.4683] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/29/2020] [Accepted: 11/09/2020] [Indexed: 06/12/2023]
Abstract
Benzylisoquinoline alkaloids (BIAs) have profound implications on human health owing to their potent pharmacological properties. Notable naturally occurring BIAs are the narcotic analgesics morphine, the cough suppressant codeine, the potential anticancer drug noscapine, the muscle relaxant papaverine, and the antimicrobial sanguinarine, all of which are produced in opium poppy (Papaver somniferum). Thebaine, an intermediate in the biosynthesis of codeine and morphine, is used in the manufacture of semisynthetic opiates, including oxycodone and naloxone. As the only commercial source of pharmaceutical opiates, opium poppy has been the focus of considerable research to understand BIA metabolism in the plant. The elucidation of several BIA biosynthetic pathways has enabled the development of synthetic biology platforms aimed at the alternative commercial production of valuable phytochemicals in microorganisms. The detection and identification of BIA pathway products and intermediates in complex extracts is essential for the continuing advancement of research in plant specialized metabolism and microbial synthetic biology. Herein, we report the use of liquid chromatography coupled with linear trap quadrupole and high-resolution Orbitrap multistage mass spectrometry to characterize 44 authentic BIAs using collision-induced dissociation (CID), higher-energy collisional dissociation (HCD), and pulsed Q collision-induced dissociation (PQD) MS2 fragmentation, with MS2 CID followed by MS3 and MS4 fragmentation. Our deep library of diagnostic spectral data constitutes a valuable resource for BIAs identification. In addition, we identified 22 BIAs in opium poppy latex and roots extracts.
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Affiliation(s)
| | - Jillian M Hagel
- Department of Biological Sciences, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Peter J Facchini
- Department of Biological Sciences, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
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18
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Stasiłowicz A, Tomala A, Podolak I, Cielecka-Piontek J. Cannabis sativa L. as a Natural Drug Meeting the Criteria of a Multitarget Approach to Treatment. Int J Mol Sci 2021; 22:E778. [PMID: 33466734 PMCID: PMC7830475 DOI: 10.3390/ijms22020778] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 12/30/2020] [Accepted: 01/11/2021] [Indexed: 12/15/2022] Open
Abstract
Cannabis sativa L. turned out to be a valuable source of chemical compounds of various structures, showing pharmacological activity. The most important groups of compounds include phytocannabinoids and terpenes. The pharmacological activity of Cannabis (in epilepsy, sclerosis multiplex (SM), vomiting and nausea, pain, appetite loss, inflammatory bowel diseases (IBDs), Parkinson's disease, Tourette's syndrome, schizophrenia, glaucoma, and coronavirus disease 2019 (COVID-19)), which has been proven so far, results from the affinity of these compounds predominantly for the receptors of the endocannabinoid system (the cannabinoid receptor type 1 (CB1), type two (CB2), and the G protein-coupled receptor 55 (GPR55)) but, also, for peroxisome proliferator-activated receptor (PPAR), glycine receptors, serotonin receptors (5-HT), transient receptor potential channels (TRP), and GPR, opioid receptors. The synergism of action of phytochemicals present in Cannabis sp. raw material is also expressed in their increased bioavailability and penetration through the blood-brain barrier. This review provides an overview of phytochemistry and pharmacology of compounds present in Cannabis extracts in the context of the current knowledge about their synergistic actions and the implications of clinical use in the treatment of selected diseases.
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Affiliation(s)
- Anna Stasiłowicz
- Department of Pharmacognosy, Poznan University of Medical Sciences, Swiecickiego 4, 61-781 Poznan, Poland;
| | - Anna Tomala
- Department of Pharmacognosy, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland; (A.T.); (I.P.)
| | - Irma Podolak
- Department of Pharmacognosy, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland; (A.T.); (I.P.)
| | - Judyta Cielecka-Piontek
- Department of Pharmacognosy, Poznan University of Medical Sciences, Swiecickiego 4, 61-781 Poznan, Poland;
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19
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Han J, Wu Y, Zhou Y, Li S. Engineering Saccharomyces cerevisiae to produce plant benzylisoquinoline alkaloids. ABIOTECH 2021; 2:264-275. [PMID: 34377581 PMCID: PMC8286646 DOI: 10.1007/s42994-021-00055-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 06/29/2021] [Indexed: 12/16/2022]
Abstract
Benzylisoquinoline alkaloids (BIAs) are a diverse family of plant natural products with extensive pharmacological properties, but the yield of BIAs from plant is limited. The understanding of BIA biosynthetic mechanism in plant and the development of synthetic biology enable the possibility to produce BIAs through microbial fermentation, as an alternative to agriculture-based supply chains. In this review, we discussed the engineering strategies to synthesize BIAs in Saccharomyces cerevisiae (yeast) and improve BIA production level, including heterologous pathway reconstruction, enzyme engineering, expression regulation, host engineering and fermentation engineering. We also highlight recent metabolic engineering advances in the production of BIAs in yeast.
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Affiliation(s)
- Jianing Han
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 230A Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Yinan Wu
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 230A Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Yilun Zhou
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 230A Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Sijin Li
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 230A Olin Hall, Cornell University, Ithaca, NY 14853 USA
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20
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Bradley SA, Zhang J, Jensen MK. Deploying Microbial Synthesis for Halogenating and Diversifying Medicinal Alkaloid Scaffolds. Front Bioeng Biotechnol 2020; 8:594126. [PMID: 33195162 PMCID: PMC7644825 DOI: 10.3389/fbioe.2020.594126] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 10/02/2020] [Indexed: 11/13/2022] Open
Abstract
Plants produce some of the most potent therapeutics and have been used for thousands of years to treat human diseases. Today, many medicinal natural products are still extracted from source plants at scale as their complexity precludes total synthesis from bulk chemicals. However, extraction from plants can be an unreliable and low-yielding source for human therapeutics, making the supply chain for some of these life-saving medicines expensive and unstable. There has therefore been significant interest in refactoring these plant pathways in genetically tractable microbes, which grow more reliably and where the plant pathways can be more easily engineered to improve the titer, rate and yield of medicinal natural products. In addition, refactoring plant biosynthetic pathways in microbes also offers the possibility to explore new-to-nature chemistry more systematically, and thereby help expand the chemical space that can be probed for drugs as well as enable the study of pharmacological properties of such new-to-nature chemistry. This perspective will review the recent progress toward heterologous production of plant medicinal alkaloids in microbial systems. In particular, we focus on the refactoring of halogenated alkaloids in yeast, which has created an unprecedented opportunity for biosynthesis of previously inaccessible new-to-nature variants of the natural alkaloid scaffolds.
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Affiliation(s)
- Samuel A Bradley
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
| | - Jie Zhang
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
| | - Michael K Jensen
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
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21
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Ka S, Koirala M, Mérindol N, Desgagné-Penix I. Biosynthesis and Biological Activities of Newly Discovered Amaryllidaceae Alkaloids. Molecules 2020; 25:E4901. [PMID: 33113950 PMCID: PMC7660210 DOI: 10.3390/molecules25214901] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 10/07/2020] [Accepted: 10/21/2020] [Indexed: 12/23/2022] Open
Abstract
Alkaloids are an important group of specialized nitrogen metabolites with a wide range of biochemical and pharmacological effects. Since the first publication on lycorine in 1877, more than 650 alkaloids have been extracted from Amaryllidaceae bulbous plants and clustered together as the Amaryllidaceae alkaloids (AAs) family. AAs are specifically remarkable for their diverse pharmaceutical properties, as exemplified by the success of galantamine used to treat the symptoms of Alzheimer's disease. This review addresses the isolation, biological, and structure activity of AAs discovered from January 2015 to August 2020, supporting their therapeutic interest.
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Affiliation(s)
- Seydou Ka
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada; (S.K.); (M.K.); (N.M.)
| | - Manoj Koirala
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada; (S.K.); (M.K.); (N.M.)
| | - Natacha Mérindol
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada; (S.K.); (M.K.); (N.M.)
| | - Isabel Desgagné-Penix
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada; (S.K.); (M.K.); (N.M.)
- Groupe de Recherche en Biologie Végétale, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada
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22
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Morris JS, Caldo KMP, Liang S, Facchini PJ. PR10/Bet v1-like Proteins as Novel Contributors to Plant Biochemical Diversity. Chembiochem 2020; 22:264-287. [PMID: 32700448 DOI: 10.1002/cbic.202000354] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/16/2020] [Indexed: 02/06/2023]
Abstract
Pathogenesis-related (PR) proteins constitute a broad class of plant proteins with analogues found throughout nature from bacteria to higher eukaryotes. PR proteins were first noted in plants as part of the hypersensitive response, but have since been assigned an array of biological roles. The PR10/Bet v1-like proteins are a subset of PR proteins characterized by an ability to bind a wide range of lipophilic ligands, uniquely positioning them as contributors to specialized biosynthetic pathways. PR10/Bet v1-like proteins participate in the production of plant alkaloids and phenolics including flavonoids, both as general binding proteins and in special cases as catalysts. Owing initially to the perceived allergenic properties of PR10/Bet v1-like proteins, many were studied at the structural level to elucidate the basis for ligand binding. These studies provided a foundation for more recent efforts to understand higher-level structural order and how PR10/Bet v1-like proteins catalyse key reactions in plant pathways. Synthetic biology aimed at reconstituting plant-specialized metabolism in microorganisms uses knowledge of these proteins to fine-tune performance in new systems.
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Affiliation(s)
- Jeremy S Morris
- Department of Biological Sciences, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, T2N N4, Canada
| | - Kristian Mark P Caldo
- Department of Biological Sciences, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, T2N N4, Canada
| | - Siyu Liang
- Department of Biological Sciences, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, T2N N4, Canada
| | - Peter J Facchini
- Department of Biological Sciences, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, T2N N4, Canada
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23
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Heterologous Expression of the Unusual Terreazepine Biosynthetic Gene Cluster Reveals a Promising Approach for Identifying New Chemical Scaffolds. mBio 2020; 11:mBio.01691-20. [PMID: 32843555 PMCID: PMC7448278 DOI: 10.1128/mbio.01691-20] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Advances in genome sequencing have revitalized natural product discovery efforts, revealing the untapped biosynthetic potential of fungi. While the volume of genomic data continues to expand, discovery efforts are slowed due to the time-consuming nature of experiments required to characterize new molecules. To direct efforts toward uncharacterized biosynthetic gene clusters most likely to encode novel chemical scaffolds, we took advantage of comparative metabolomics and heterologous gene expression using fungal artificial chromosomes (FACs). By linking mass spectral profiles with structural clues provided by FAC-encoded gene clusters, we targeted a compound originating from an unusual gene cluster containing an indoleamine 2,3-dioxygenase (IDO). With this approach, we isolate and characterize R and S forms of the new molecule terreazepine, which contains a novel chemical scaffold resulting from cyclization of the IDO-supplied kynurenine. The discovery of terreazepine illustrates that FAC-based approaches targeting unusual biosynthetic machinery provide a promising avenue forward for targeted discovery of novel scaffolds and their biosynthetic enzymes, and it also represents another example of a biosynthetic gene cluster "repurposing" a primary metabolic enzyme to diversify its secondary metabolite arsenal.IMPORTANCE Here, we provide evidence that Aspergillus terreus encodes a biosynthetic gene cluster containing a repurposed indoleamine 2,3-dioxygenase (IDO) dedicated to secondary metabolite synthesis. The discovery of this neofunctionalized IDO not only enabled discovery of a new compound with an unusual chemical scaffold but also provided insight into the numerous strategies fungi employ for diversifying and protecting themselves against secondary metabolites. The observations in this study set the stage for further in-depth studies into the function of duplicated IDOs present in fungal biosynthetic gene clusters and presents a strategy for accessing the biosynthetic potential of gene clusters containing duplicated primary metabolic genes.
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24
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Pyne ME, Kevvai K, Grewal PS, Narcross L, Choi B, Bourgeois L, Dueber JE, Martin VJJ. A yeast platform for high-level synthesis of tetrahydroisoquinoline alkaloids. Nat Commun 2020; 11:3337. [PMID: 32620756 PMCID: PMC7335070 DOI: 10.1038/s41467-020-17172-x] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 06/17/2020] [Indexed: 01/20/2023] Open
Abstract
The tetrahydroisoquinoline (THIQ) moiety is a privileged substructure of many bioactive natural products and semi-synthetic analogs. Plants manufacture more than 3,000 THIQ alkaloids, including the opioids morphine and codeine. While microbial species have been engineered to synthesize a few compounds from the benzylisoquinoline alkaloid (BIA) family of THIQs, low product titers impede industrial viability and limit access to the full chemical space. Here we report a yeast THIQ platform by increasing production of the central BIA intermediate (S)-reticuline to 4.6 g L−1, a 57,000-fold improvement over our first-generation strain. We show that gains in BIA output coincide with the formation of several substituted THIQs derived from amino acid catabolism. We use these insights to repurpose the Ehrlich pathway and synthesize an array of THIQ structures. This work provides a blueprint for building diverse alkaloid scaffolds and enables the targeted overproduction of thousands of THIQ products, including natural and semi-synthetic opioids. Plants synthesize more than 3000 tetrahydroisoquinoline (THIQ) alkaloids, but only a few of them have been produced by engineered microbes and titers are very low. Here, the authors increase (S)-reticuline titer to 4.6 g/L and repurpose the yeast Ehrlich pathway to synthesize a diverse array of THIQ scaffolds.
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Affiliation(s)
- Michael E Pyne
- Department of Biology, Concordia University, Montréal, QC, Canada.,Centre for Applied Synthetic Biology, Concordia University, Montréal, QC, Canada
| | - Kaspar Kevvai
- Department of Biology, Concordia University, Montréal, QC, Canada.,Centre for Applied Synthetic Biology, Concordia University, Montréal, QC, Canada
| | - Parbir S Grewal
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, CA, USA
| | - Lauren Narcross
- Department of Biology, Concordia University, Montréal, QC, Canada.,Centre for Applied Synthetic Biology, Concordia University, Montréal, QC, Canada
| | - Brian Choi
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, CA, USA
| | - Leanne Bourgeois
- Department of Biology, Concordia University, Montréal, QC, Canada.,Centre for Applied Synthetic Biology, Concordia University, Montréal, QC, Canada
| | - John E Dueber
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Vincent J J Martin
- Department of Biology, Concordia University, Montréal, QC, Canada. .,Centre for Applied Synthetic Biology, Concordia University, Montréal, QC, Canada.
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25
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Shen YP, Niu FX, Yan ZB, Fong LS, Huang YB, Liu JZ. Recent Advances in Metabolically Engineered Microorganisms for the Production of Aromatic Chemicals Derived From Aromatic Amino Acids. Front Bioeng Biotechnol 2020; 8:407. [PMID: 32432104 PMCID: PMC7214760 DOI: 10.3389/fbioe.2020.00407] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 04/14/2020] [Indexed: 12/16/2022] Open
Abstract
Aromatic compounds derived from aromatic amino acids are an important class of diverse chemicals with a wide range of industrial and commercial applications. They are currently produced via petrochemical processes, which are not sustainable and eco-friendly. In the past decades, significant progress has been made in the construction of microbial cell factories capable of effectively converting renewable carbon sources into value-added aromatics. Here, we systematically and comprehensively review the recent advancements in metabolic engineering and synthetic biology in the microbial production of aromatic amino acid derivatives, stilbenes, and benzylisoquinoline alkaloids. The future outlook concerning the engineering of microbial cell factories for the production of aromatic compounds is also discussed.
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Affiliation(s)
- Yu-Ping Shen
- Guangdong Province Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Biomedical Center, School of Life Sciences, Institute of Synthetic Biology, Sun Yat-sen University, Guangzhou, China
| | - Fu-Xing Niu
- Guangdong Province Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Biomedical Center, School of Life Sciences, Institute of Synthetic Biology, Sun Yat-sen University, Guangzhou, China
| | - Zhi-Bo Yan
- Guangdong Province Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Biomedical Center, School of Life Sciences, Institute of Synthetic Biology, Sun Yat-sen University, Guangzhou, China
| | - Lai San Fong
- Guangdong Province Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Biomedical Center, School of Life Sciences, Institute of Synthetic Biology, Sun Yat-sen University, Guangzhou, China
| | - Yuan-Bin Huang
- Guangdong Province Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Biomedical Center, School of Life Sciences, Institute of Synthetic Biology, Sun Yat-sen University, Guangzhou, China
| | - Jian-Zhong Liu
- Guangdong Province Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Biomedical Center, School of Life Sciences, Institute of Synthetic Biology, Sun Yat-sen University, Guangzhou, China
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26
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Rahmat E, Kang Y. Yeast metabolic engineering for the production of pharmaceutically important secondary metabolites. Appl Microbiol Biotechnol 2020; 104:4659-4674. [DOI: 10.1007/s00253-020-10587-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 01/30/2020] [Accepted: 03/24/2020] [Indexed: 11/29/2022]
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27
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Yang L, Zhu J, Sun C, Deng Z, Qu X. Biosynthesis of plant tetrahydroisoquinoline alkaloids through an imine reductase route. Chem Sci 2020; 11:364-371. [PMID: 32190259 PMCID: PMC7067268 DOI: 10.1039/c9sc03773j] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 11/17/2019] [Indexed: 01/10/2023] Open
Abstract
Herein, we report a biocatalytic approach to synthesize plant tetrahydroisoquinoline alkaloids (THIQAs) from dihydroisoquinoline (DHIQ) precursors using imine reductases and N-methyltransferase (NMT). The imine reductase IR45 was engineered to significantly expand its substrate specificity, enabling efficient and stereoselective conversion of 1-phenyl and 1-benzyl 6,7-dimethoxy-DHIQs into the corresponding (S)-tetrahydroisoquinolines (S-THIQs). Coclaurine N-methyltransferase (CNMT) was able to further efficiently convert these (S)-THIQ intermediates into (S)-THIQAs. By assembling IRED, CNMT, and glucose dehydrogenase (GDH) in one reaction, we effectively constituted two artificial biosynthetic pathways in Escherichia coli and successfully applied them to the production of five (S)-THIQAs. This highly efficient (100% yield from DHIQs) and easily tailorable (adding other genes) biosynthetic approach will be useful for producing a variety of plant THIQAs.
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Affiliation(s)
- Lu Yang
- State Key Laboratory of Microbial Metabolism , School of Life Sciences and Biotechnology , Shanghai Jiao Tong University , Shanghai 200240 , China .
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery Ministry of Education , School of Pharmaceutical Sciences , Wuhan University , Wuhan 430071 , China
| | - Jinmei Zhu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery Ministry of Education , School of Pharmaceutical Sciences , Wuhan University , Wuhan 430071 , China
| | - Chenghai Sun
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery Ministry of Education , School of Pharmaceutical Sciences , Wuhan University , Wuhan 430071 , China
| | - Zixin Deng
- State Key Laboratory of Microbial Metabolism , School of Life Sciences and Biotechnology , Shanghai Jiao Tong University , Shanghai 200240 , China .
| | - Xudong Qu
- State Key Laboratory of Microbial Metabolism , School of Life Sciences and Biotechnology , Shanghai Jiao Tong University , Shanghai 200240 , China .
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery Ministry of Education , School of Pharmaceutical Sciences , Wuhan University , Wuhan 430071 , China
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28
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Kaminski KP, Goepfert S, Ivanov NV, Peitsch MC. Production of Valuable Compounds in Tobacco. THE TOBACCO PLANT GENOME 2020. [DOI: 10.1007/978-3-030-29493-9_15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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29
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Madhavan A, Arun KB, Sindhu R, Binod P, Kim SH, Pandey A. Tailoring of microbes for the production of high value plant-derived compounds: From pathway engineering to fermentative production. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2019; 1867:140262. [PMID: 31404685 DOI: 10.1016/j.bbapap.2019.140262] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 08/03/2019] [Accepted: 08/05/2019] [Indexed: 12/20/2022]
Abstract
Plant natural products have been an attracting platform for the isolation of various active drugs and other bioactives. However large-scale extraction of these compounds is affected by the difficulty in mass cultivation of these plants and absence of strategies for successful extraction. Even though, synthesis by chemical method is an alternative method; it is less efficient as their chemical structure is highly complex which involve enantio-selectivity. Thus an alternate bio-system for heterologous production of plant natural products using microbes has emerged. Advent of various omics, synthetic and metabolic engineering strategies revolutionised the field of heterologous plant metabolite production. In this context, various engineering methods taken to synthesise plant natural products are described with an additional focus to fermentation strategies.
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Affiliation(s)
- Aravind Madhavan
- Rajiv Gandhi Centre for Biotechnology, Trivandrum 695 014, India
| | | | - Raveendran Sindhu
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR- NIIST), Trivandrum 695 019, India
| | - Parameswaran Binod
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR- NIIST), Trivandrum 695 019, India
| | - Sang Hyoun Kim
- Department of Civil and Environmental Engineering, Yonsei University, Seoul, South Korea
| | - Ashok Pandey
- Department of Civil and Environmental Engineering, Yonsei University, Seoul, South Korea; Center for Innovation and Translational Research, CSIR- Indian Institute of Toxicology Research (CSIR-IITR), Lucknow 226 001, India.
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30
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Dastmalchi M, Chen X, Hagel JM, Chang L, Chen R, Ramasamy S, Yeaman S, Facchini PJ. Neopinone isomerase is involved in codeine and morphine biosynthesis in opium poppy. Nat Chem Biol 2019; 15:384-390. [DOI: 10.1038/s41589-019-0247-0] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 02/11/2019] [Indexed: 11/09/2022]
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31
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Andersen JL, Flamm C, Merkle D, Stadler PF. Chemical Transformation Motifs-Modelling Pathways as Integer Hyperflows. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2019; 16:510-523. [PMID: 29990045 DOI: 10.1109/tcbb.2017.2781724] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We present an elaborate framework for formally modelling pathways in chemical reaction networks on a mechanistic level. Networks are modelled mathematically as directed multi-hypergraphs, with vertices corresponding to molecules and hyperedges to reactions. Pathways are modelled as integer hyperflows and we expand the network model by detailed routing constraints. In contrast to the more traditional approaches like Flux Balance Analysis or Elementary Mode analysis we insist on integer-valued flows. While this choice makes it necessary to solve possibly hard integer linear programs, it has the advantage that more detailed mechanistic questions can be formulated. It is thus possible to query networks for general transformation motifs, and to automatically enumerate optimal and near-optimal pathways. Similarities and differences between our work and traditional approaches in metabolic network analysis are discussed in detail. To demonstrate the applicability of the mathematical framework to real-life problems we first explore the design space of possible non-oxidative glycolysis pathways and show that recent manually designed pathways can be further optimized. We then use a model of sugar chemistry to investigate pathways in the autocatalytic formose process. A graph transformation-based approach is used to automatically generate the reaction networks of interest.
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Pyne ME, Narcross L, Martin VJJ. Engineering Plant Secondary Metabolism in Microbial Systems. PLANT PHYSIOLOGY 2019; 179:844-861. [PMID: 30643013 PMCID: PMC6393802 DOI: 10.1104/pp.18.01291] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 12/27/2018] [Indexed: 05/02/2023]
Abstract
An overview of common challenges and strategies underlying efforts to reconstruct plant isoprenoid, alkaloid, phenylpropanoid, and polyketide biosynthetic pathways in microbial systems.
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Affiliation(s)
- Michael E Pyne
- Department of Biology, Centre for Applied Synthetic Biology, Centre for Structural and Functional Genomics, Concordia University, Montreal, Quebec, Canada
| | - Lauren Narcross
- Department of Biology, Centre for Applied Synthetic Biology, Centre for Structural and Functional Genomics, Concordia University, Montreal, Quebec, Canada
| | - Vincent J J Martin
- Department of Biology, Centre for Applied Synthetic Biology, Centre for Structural and Functional Genomics, Concordia University, Montreal, Quebec, Canada
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Bourgeois L, Pyne ME, Martin VJJ. A Highly Characterized Synthetic Landing Pad System for Precise Multicopy Gene Integration in Yeast. ACS Synth Biol 2018; 7:2675-2685. [PMID: 30372609 DOI: 10.1021/acssynbio.8b00339] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A fundamental undertaking of metabolic engineering involves identifying and troubleshooting metabolic bottlenecks that arise from imbalances in pathway flux. To expedite the systematic screening of enzyme orthologs in conjunction with DNA copy number tuning, here we develop a simple and highly characterized CRISPR-Cas9 integration system in Saccharomyces cerevisiae. Our engineering strategy introduces a series of synthetic DNA landing pads (LP) into the S. cerevisiae genome to act as sites for high-level gene integration. LPs facilitate multicopy gene integration of one, two, three, or four DNA copies in a single transformation, thus providing precise control of DNA copy number. We applied our LP system to norcoclaurine synthase (NCS), an enzyme with poor kinetic properties involved in the first committed step of the production of high-value benzylisoquinoline alkaloids. The platform enabled rapid construction of a 40-strain NCS library by integrating ten NCS orthologs in four gene copies each. Six active NCS variants were identified, whereby production of ( S)-norcoclaurine could be further enhanced by increasing NCS copy number. We anticipate the LP system will aid in metabolic engineering efforts by providing strict control of gene copy number and expediting strain and pathway engineering campaigns.
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Affiliation(s)
- Leanne Bourgeois
- Department of Biology, Concordia University, Montréal, Québec H3G 1M8, Canada
- Centre for Applied Synthetic Biology, Concordia University, Montréal, Québec H3G 1M8, Canada
| | - Michael E. Pyne
- Department of Biology, Concordia University, Montréal, Québec H3G 1M8, Canada
- Centre for Applied Synthetic Biology, Concordia University, Montréal, Québec H3G 1M8, Canada
| | - Vincent J. J. Martin
- Department of Biology, Concordia University, Montréal, Québec H3G 1M8, Canada
- Centre for Applied Synthetic Biology, Concordia University, Montréal, Québec H3G 1M8, Canada
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Fontana J, Voje WE, Zalatan JG, Carothers JM. Prospects for engineering dynamic CRISPR–Cas transcriptional circuits to improve bioproduction. ACTA ACUST UNITED AC 2018; 45:481-490. [DOI: 10.1007/s10295-018-2039-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 04/26/2018] [Indexed: 12/26/2022]
Abstract
Abstract
Dynamic control of gene expression is emerging as an important strategy for controlling flux in metabolic pathways and improving bioproduction of valuable compounds. Integrating dynamic genetic control tools with CRISPR–Cas transcriptional regulation could significantly improve our ability to fine-tune the expression of multiple endogenous and heterologous genes according to the state of the cell. In this mini-review, we combine an analysis of recent literature with examples from our own work to discuss the prospects and challenges of developing dynamically regulated CRISPR–Cas transcriptional control systems for applications in synthetic biology and metabolic engineering.
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Affiliation(s)
- Jason Fontana
- 0000000122986657 grid.34477.33 Molecular Engineering and Sciences Institute and Center for Synthetic Biology University of Washington 98195 Seattle WA USA
| | - William E Voje
- 0000000122986657 grid.34477.33 Molecular Engineering and Sciences Institute and Center for Synthetic Biology University of Washington 98195 Seattle WA USA
- 0000000122986657 grid.34477.33 Department of Chemical Engineering University of Washington 98195 Seattle WA USA
| | - Jesse G Zalatan
- 0000000122986657 grid.34477.33 Molecular Engineering and Sciences Institute and Center for Synthetic Biology University of Washington 98195 Seattle WA USA
- 0000000122986657 grid.34477.33 Department of Chemistry University of Washington 98195 Seattle WA USA
| | - James M Carothers
- 0000000122986657 grid.34477.33 Molecular Engineering and Sciences Institute and Center for Synthetic Biology University of Washington 98195 Seattle WA USA
- 0000000122986657 grid.34477.33 Department of Chemical Engineering University of Washington 98195 Seattle WA USA
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Chen X, Hagel JM, Chang L, Tucker JE, Shiigi SA, Yelpaala Y, Chen HY, Estrada R, Colbeck J, Enquist-Newman M, Ibáñez AB, Cottarel G, Vidanes GM, Facchini PJ. A pathogenesis-related 10 protein catalyzes the final step in thebaine biosynthesis. Nat Chem Biol 2018; 14:738-743. [DOI: 10.1038/s41589-018-0059-7] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 03/16/2018] [Indexed: 12/31/2022]
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Dastmalchi M, Chang L, Torres MA, Ng KKS, Facchini PJ. Codeinone reductase isoforms with differential stability, efficiency and product selectivity in opium poppy. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2018; 95:631-647. [PMID: 29779229 DOI: 10.1111/tpj.13975] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/09/2018] [Accepted: 05/14/2018] [Indexed: 06/08/2023]
Abstract
Codeinone reductase (COR) catalyzes the reversible NADPH-dependent reduction of codeinone to codeine as the penultimate step of morphine biosynthesis in opium poppy (Papaver somniferum). It also irreversibly reduces neopinone, which forms by spontaneous isomerization in aqueous solution from codeinone, to neopine. In a parallel pathway involving 3-O-demethylated analogs, COR converts morphinone to morphine, and neomorphinone to neomorphine. Similar to neopine, the formation of neomorphine by COR is irreversible. Neopine is a minor substrate for codeine O-demethylase (CODM), yielding morphine. In the plant, neopine levels are low and neomorphine has not been detected. Silencing of CODM leads to accumulation of upstream metabolites, such as codeine and thebaine, but does not result in a shift towards higher relative concentrations of neopine, suggesting a mechanism in the plant for limiting neopine production. In yeast (Saccharomyces cerevisiae) engineered to produce opiate alkaloids, the catalytic properties of COR lead to accumulation of neopine and neomorphine as major products. An isoform (COR-B) was isolated from opium poppy chemotype Bea's Choice that showed higher catalytic activity than previously characterized CORs, and it yielded mostly neopine in vitro and in engineered yeast. Five catalytically distinct COR isoforms (COR1.1-1.4 and COR-B) were used to determine sequence-function relationships that influence product selectivity. Biochemical characterization and site-directed mutagenesis of native COR isoforms identified four residues (V25, K41, F129 and W279) that affected protein stability, reaction velocity, and product selectivity and output. Improvement of COR performance coupled with an ability to guide pathway flux is necessary to facilitate commercial production of opiate alkaloids in engineered microorganisms.
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Affiliation(s)
- Mehran Dastmalchi
- Department of Biological Sciences, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Limei Chang
- Department of Biological Sciences, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Miguel A Torres
- Department of Biological Sciences, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Kenneth K S Ng
- Department of Biological Sciences, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Peter J Facchini
- Department of Biological Sciences, University of Calgary, Calgary, AB, T2N 1N4, Canada
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Jablonická V, Ziegler J, Vatehová Z, Lišková D, Heilmann I, Obložinský M, Heilmann M. Inhibition of phospholipases influences the metabolism of wound-induced benzylisoquinoline alkaloids in Papaver somniferum L. JOURNAL OF PLANT PHYSIOLOGY 2018; 223:1-8. [PMID: 29433083 DOI: 10.1016/j.jplph.2018.01.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 01/26/2018] [Accepted: 01/29/2018] [Indexed: 06/08/2023]
Abstract
Benzylisoquinoline alkaloids (BIAs) are important secondary plant metabolites and include medicinally relevant drugs, such as morphine or codeine. As the de novo synthesis of BIA backbones is (still) unfeasible, to date the opium poppy plant Papaver somniferum L. represents the main source of BIAs. The formation of BIAs is induced in poppy plants by stress conditions, such as wounding or salt treatment; however, the details about regulatory processes controlling BIA formation in opium poppy are not well studied. Environmental stresses, such as wounding or salinization, are transduced in plants by phospholipid-based signaling pathways, which involve different classes of phospholipases. Here we investigate whether pharmacological inhibition of phospholipase A2 (PLA2, inhibited by aristolochic acid (AA)) or phospholipase D (PLD; inhibited by 5-fluoro-2-indolyl des-chlorohalopemide (FIPI)) in poppy plants influences wound-induced BIA accumulation and the expression of key biosynthetic genes. We show that inhibition of PLA2 results in increased morphinan biosynthesis concomitant with reduced production of BIAs of the papaverine branch, whereas inhibition of PLD results in increased production of BIAs of the noscapine branch. The data suggest that phospholipid-dependent signaling pathways contribute to the activation of morphine biosynthesis at the expense of the production of other BIAs in poppy plants. A better understanding of the effectors and the principles of regulation of alkaloid biosynthesis might be the basis for the future genetic modification of opium poppy to optimize BIA production.
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Affiliation(s)
- Veronika Jablonická
- Department of Cellular Biochemistry, Institute of Biochemistry and Biotechnology, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Str.3, D-06120 Halle (Saale), Germany; Department of Cell and Molecular Biology of Drugs, Faculty of Pharmacy, Comenius University in Bratislava, Kalinčiakova 8, SK-832 32 Bratislava, Slovakia
| | - Jörg Ziegler
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, Weinberg 3, D-06120 Halle (Saale), Germany
| | - Zuzana Vatehová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, SK-845 38 Bratislava, Slovakia
| | - Desana Lišková
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, SK-845 38 Bratislava, Slovakia
| | - Ingo Heilmann
- Department of Cellular Biochemistry, Institute of Biochemistry and Biotechnology, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Str.3, D-06120 Halle (Saale), Germany
| | - Marek Obložinský
- Department of Cell and Molecular Biology of Drugs, Faculty of Pharmacy, Comenius University in Bratislava, Kalinčiakova 8, SK-832 32 Bratislava, Slovakia.
| | - Mareike Heilmann
- Department of Cellular Biochemistry, Institute of Biochemistry and Biotechnology, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Str.3, D-06120 Halle (Saale), Germany
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Abstract
This paper is the thirty-ninth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2016 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior, and the roles of these opioid peptides and receptors in pain and analgesia, stress and social status, tolerance and dependence, learning and memory, eating and drinking, drug abuse and alcohol, sexual activity and hormones, pregnancy, development and endocrinology, mental illness and mood, seizures and neurologic disorders, electrical-related activity and neurophysiology, general activity and locomotion, gastrointestinal, renal and hepatic functions, cardiovascular responses, respiration and thermoregulation, and immunological responses.
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and CUNY Neuroscience Collaborative, Queens College, City University of New York, Flushing, NY 11367, United States.
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Park SY, Yang D, Ha SH, Lee SY. Metabolic Engineering of Microorganisms for the Production of Natural Compounds. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/adbi.201700190] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Seon Young Park
- Metabolic and Biomolecular Engineering National Research Laboratory; Department of Chemical and Biomolecular Engineering (BK21 Plus Program); Institute for the BioCentury; Korea Advanced Institute of Science and Technology (KAIST); Daejeon 34141 Republic of Korea
| | - Dongsoo Yang
- Metabolic and Biomolecular Engineering National Research Laboratory; Department of Chemical and Biomolecular Engineering (BK21 Plus Program); Institute for the BioCentury; Korea Advanced Institute of Science and Technology (KAIST); Daejeon 34141 Republic of Korea
| | - Shin Hee Ha
- Metabolic and Biomolecular Engineering National Research Laboratory; Department of Chemical and Biomolecular Engineering (BK21 Plus Program); Institute for the BioCentury; Korea Advanced Institute of Science and Technology (KAIST); Daejeon 34141 Republic of Korea
| | - Sang Yup Lee
- Metabolic and Biomolecular Engineering National Research Laboratory; Department of Chemical and Biomolecular Engineering (BK21 Plus Program); Institute for the BioCentury; Korea Advanced Institute of Science and Technology (KAIST); Daejeon 34141 Republic of Korea
- BioProcess Engineering Research Center; KAIST; Daejeon 34141 Republic of Korea
- BioInformatics Research Center; KAIST; Daejeon 34141 Republic of Korea
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Green Routes for the Production of Enantiopure Benzylisoquinoline Alkaloids. Int J Mol Sci 2017; 18:ijms18112464. [PMID: 29156609 PMCID: PMC5713430 DOI: 10.3390/ijms18112464] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 11/14/2017] [Accepted: 11/16/2017] [Indexed: 12/20/2022] Open
Abstract
Benzylisoquinoline alkaloids (BIAs) are among the most important plant secondary metabolites, in that they include a number of biologically active substances widely employed as pharmaceuticals. Isolation of BIAs from their natural sources is an expensive and time-consuming procedure as they accumulate in very low levels in plant. Moreover, total synthesis is challenging due to the presence of stereogenic centers. In view of these considerations, green and scalable methods for BIA synthesis using fully enzymatic approaches are getting more and more attention. The aim of this paper is to review fully enzymatic strategies for producing the benzylisoquinoline central precursor, (S)-norcoclaurine and its derivatives. Specifically, we will detail the current status of synthesis of BIAs in microbial hosts as well as using isolated and recombinant enzymes.
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Poole JJ, Gómez-Ríos GA, Boyaci E, Reyes-Garcés N, Pawliszyn J. Rapid and Concomitant Analysis of Pharmaceuticals in Treated Wastewater by Coated Blade Spray Mass Spectrometry. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:12566-12572. [PMID: 28990769 DOI: 10.1021/acs.est.7b03867] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The widespread use of pharmaceuticals in both human and animal populations, and the resultant contamination of surface waters from the outflow of water treatment facilities is an issue of growing concern. This has raised the need for analytical methods that can both perform rapid sample analysis and overcome the limitations of conventional analysis procedures, such as multistep workflows and tedious procedures. Coated blade spray (CBS) is a solid-phase microextraction based technique that enables the direct-to-mass-spectrometry analysis of extracted compounds via the use of limited organic solvent to desorb analytes and perform electrospray ionization. This paper documents how CBS can be applied for the concomitant tandem mass spectrometric (MS/MS) analysis of nine pharmaceuticals in treated wastewater. The total analysis times of less than 11 min provided limits of detection lower than 50 ng L-1 for all target compounds in river water. The CBS methodology was then compared to a conventional solid-phase extraction technique for the analysis of the final effluent of six wastewater treatment facilities. The experimental results strongly suggest that CBS offers scientists a viable alternative method for analyzing water samples that is both rapid and relatively solvent-free.
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Affiliation(s)
- Justen J Poole
- Department of Chemistry, University of Waterloo , Waterloo, Ontario, Canada , N2L 3G1
| | - German A Gómez-Ríos
- Department of Chemistry, University of Waterloo , Waterloo, Ontario, Canada , N2L 3G1
| | - Ezel Boyaci
- Department of Chemistry, University of Waterloo , Waterloo, Ontario, Canada , N2L 3G1
| | - Nathaly Reyes-Garcés
- Department of Chemistry, University of Waterloo , Waterloo, Ontario, Canada , N2L 3G1
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo , Waterloo, Ontario, Canada , N2L 3G1
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42
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Cirigliano A, Cenciarelli O, Malizia A, Bellecci C, Gaudio P, Lioj M, Rinaldi T. Biological Dual-Use Research and Synthetic Biology of Yeast. SCIENCE AND ENGINEERING ETHICS 2017; 23:365-374. [PMID: 27325416 DOI: 10.1007/s11948-016-9774-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 03/16/2016] [Indexed: 06/06/2023]
Abstract
In recent years, the publication of the studies on the transmissibility in mammals of the H5N1 influenza virus and synthetic genomes has triggered heated and concerned debate within the community of scientists on biological dual-use research; these papers have raised the awareness that, in some cases, fundamental research could be directed to harmful experiments, with the purpose of developing a weapon that could be used by a bioterrorist. Here is presented an overview regarding the dual-use concept and its related international agreements which underlines the work of the Australia Group (AG) Export Control Regime. It is hoped that the principles and activities of the AG, that focuses on export control of chemical and biological dual-use materials, will spread and become well known to academic researchers in different countries, as they exchange biological materials (i.e. plasmids, strains, antibodies, nucleic acids) and scientific papers. To this extent, and with the aim of drawing the attention of the scientific community that works with yeast to the so called Dual-Use Research of Concern, this article reports case studies on biological dual-use research and discusses a synthetic biology applied to the yeast Saccharomyces cerevisiae, namely the construction of the first eukaryotic synthetic chromosome of yeast and the use of yeast cells as a factory to produce opiates. Since this organism is considered harmless and is not included in any list of biological agents, yeast researchers should take simple actions in the future to avoid the sharing of strains and advanced technology with suspicious individuals.
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Affiliation(s)
- Angela Cirigliano
- Department of Biology and Biotechnology, La Sapienza University of Rome, Rome, Italy
| | - Orlando Cenciarelli
- Department of Industrial Engineering, School of Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy
| | - Andrea Malizia
- Department of Industrial Engineering, School of Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy
| | - Carlo Bellecci
- Department of Industrial Engineering, School of Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy
| | - Pasquale Gaudio
- Department of Industrial Engineering, School of Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy
| | | | - Teresa Rinaldi
- Department of Biology and Biotechnology, La Sapienza University of Rome, Rome, Italy.
- Ministry of Defense, Rome, Italy.
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Xu B, Lei L, Zhu X, Zhou Y, Xiao Y. Identification and characterization of L-lysine decarboxylase from Huperzia serrata and its role in the metabolic pathway of lycopodium alkaloid. PHYTOCHEMISTRY 2017; 136:23-30. [PMID: 28089246 DOI: 10.1016/j.phytochem.2016.12.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 12/23/2016] [Accepted: 12/29/2016] [Indexed: 06/06/2023]
Abstract
Lysine decarboxylation is the first biosynthetic step of Huperzine A (HupA). Six cDNAs encoding lysine decarboxylases (LDCs) were cloned from Huperzia serrata by degenerate PCR and rapid amplification of cDNA ends (RACE). One HsLDC isoform was functionally characterized as lysine decarboxylase. The HsLDC exhibited greatest catalytic efficiency (kcat/Km, 2.11 s-1 mM-1) toward L-lysine in vitro among all reported plant-LDCs. Moreover, transient expression of the HsLDC in tobacco leaves specifically increased cadaverine content from zero to 0.75 mg per gram of dry mass. Additionally, a convenient and reliable method used to detect the two catalytic products was developed. With the novel method, the enzymatic products of HsLDC and HsCAO, namely cadaverine and 5-aminopentanal, respectively, were detected simultaneously both in assay with purified enzymes and in transgenic tobacco leaves. This work not only provides direct evidence of the first two-step in biosynthetic pathway of HupA in Huperzia serrata and paves the way for further elucidation of the pathway, but also enables engineering heterologous production of HupA.
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Affiliation(s)
- Baofu Xu
- CAS Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China; University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Lei Lei
- CAS Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Xiaocen Zhu
- CAS Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Yiqing Zhou
- CAS Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Youli Xiao
- CAS Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China; University of Chinese Academy of Sciences, Beijing, 100039, China; CAS-JIC Centre of Excellence in Plant and Microbial Sciences, China.
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44
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Ehrenworth AM, Peralta-Yahya P. Accelerating the semisynthesis of alkaloid-based drugs through metabolic engineering. Nat Chem Biol 2017; 13:249-258. [DOI: 10.1038/nchembio.2308] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Accepted: 12/19/2016] [Indexed: 02/07/2023]
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45
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Matsumura E, Nakagawa A, Tomabechi Y, Koyanagi T, Kumagai H, Yamamoto K, Katayama T, Sato F, Minami H. Laboratory-scale production of (S)-reticuline, an important intermediate of benzylisoquinoline alkaloids, using a bacterial-based method. Biosci Biotechnol Biochem 2017; 81:396-402. [DOI: 10.1080/09168451.2016.1243985] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Abstract
Benzylisoquinoline alkaloids (BIAs) are a group of plant secondary metabolites that have been identified as targets for drug discovery because of their diverse pharmaceutical activities. Well-known BIAs are relatively abundant in plants and have therefore been extensively studied. However, although unknown BIAs are also thought to have valuable activities, they are difficult to obtain because the raw materials are present at low abundance in nature. We have previously reported the fermentative production of an important intermediate (S)-reticuline from dopamine using Escherichia coli. However, the yield is typically limited. Here, we improved production efficiency by combining in vivo tetrahydropapaveroline production in E. coli with in vitro enzymatic synthesis of (S)-reticuline. Finally, 593 mg of pure (S)-reticuline was obtained from 1 L of the reaction mixture. Because this bacterial-based method is simple, it could be widely used for production of (S)-reticuline and related BIAs, thereby facilitating studies of BIAs for drug discovery.
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Affiliation(s)
- Eitaro Matsumura
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi, Japan
| | - Akira Nakagawa
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi, Japan
| | - Yusuke Tomabechi
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi, Japan
| | - Takashi Koyanagi
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi, Japan
| | - Hidehiko Kumagai
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi, Japan
| | - Kenji Yamamoto
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi, Japan
| | - Takane Katayama
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Fumihiko Sato
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Hiromichi Minami
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi, Japan
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46
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Narcross L, Bourgeois L, Fossati E, Burton E, Martin VJJ. Mining Enzyme Diversity of Transcriptome Libraries through DNA Synthesis for Benzylisoquinoline Alkaloid Pathway Optimization in Yeast. ACS Synth Biol 2016; 5:1505-1518. [PMID: 27442619 DOI: 10.1021/acssynbio.6b00119] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The ever-increasing quantity of data deposited to GenBank is a valuable resource for mining new enzyme activities. Falling costs of DNA synthesis enables metabolic engineers to take advantage of this resource for identifying superior or novel enzymes for pathway optimization. Previously, we reported synthesis of the benzylisoquinoline alkaloid dihydrosanguinarine in yeast from norlaudanosoline at a molar conversion of 1.5%. Molar conversion could be improved by reduction of the side-product N-methylcheilanthifoline, a key bottleneck in dihydrosanguinarine biosynthesis. Two pathway enzymes, an N-methyltransferase and a cytochrome P450 of the CYP719A subfamily, were implicated in the synthesis of the side-product. Here, we conducted an extensive screen to identify enzyme homologues whose coexpression reduces side-product synthesis. Phylogenetic trees were generated from multiple sources of sequence data to identify a library of candidate enzymes that were purchased codon-optimized and precloned into expression vectors designed to facilitate high-throughput analysis of gene expression as well as activity assay. Simple in vivo assays were sufficient to guide the selection of superior enzyme homologues that ablated the synthesis of the side-product, and improved molar conversion of norlaudanosoline to dihydrosanguinarine to 10%.
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Affiliation(s)
- Lauren Narcross
- Department
of Biology, Concordia University, Montréal, Québec H4B 1R6, Canada
- Centre
for Structural and Functional Genomics, Concordia University, Montréal, Québec H4B 1R6, Canada
| | - Leanne Bourgeois
- Department
of Biology, Concordia University, Montréal, Québec H4B 1R6, Canada
- Centre
for Structural and Functional Genomics, Concordia University, Montréal, Québec H4B 1R6, Canada
| | | | - Euan Burton
- Department
of Biology, Concordia University, Montréal, Québec H4B 1R6, Canada
- Centre
for Structural and Functional Genomics, Concordia University, Montréal, Québec H4B 1R6, Canada
| | - Vincent J. J. Martin
- Department
of Biology, Concordia University, Montréal, Québec H4B 1R6, Canada
- Centre
for Structural and Functional Genomics, Concordia University, Montréal, Québec H4B 1R6, Canada
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Jablonická V, Mansfeld J, Heilmann I, Obložinský M, Heilmann M. Identification of a secretory phospholipase A2 from Papaver somniferum L. that transforms membrane phospholipids. PHYTOCHEMISTRY 2016; 129:4-13. [PMID: 27473012 DOI: 10.1016/j.phytochem.2016.07.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 06/22/2016] [Accepted: 07/16/2016] [Indexed: 05/29/2023]
Abstract
The full-length sequence of a new secretory phospholipase A2 was identified in opium poppy seedlings (Papaver somniferum L.). The cDNA of poppy phospholipase A2, denoted as pspla2, encodes a protein of 159 amino acids with a 31 amino acid long signal peptide at the N-terminus. PsPLA2 contains a PLA2 signature domain (PA2c), including the Ca(2+)-binding loop (YGKYCGxxxxGC) and the catalytic site motif (DACCxxHDxC) with the conserved catalytic histidine and the calcium-coordinating aspartate residues. The aspartate of the His/Asp dyad playing an important role in animal sPLA2 catalysis is substituted by a serine residue. Furthermore, the PsPLA2 sequence contains 12 conserved cysteine residues to form 6 structural disulfide bonds. The calculated molecular weight of the mature PsPLA2 is 14.0 kDa. Based on the primary structure PsPLA2 belongs to the XIB group of PLA2s. Untagged recombinant PsPLA2 obtained by expression in Escherichia coli, renaturation from inclusion bodies and purification by cation-exchange chromatography was characterized in vitro. The pH optimum for activity of PsPLA2 was found to be pH 7, when using mixed micelles of 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) and Triton X-100. PsPLA2 specifically cleaves fatty acids from the sn-2 position of 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine and shows a pronounced preference for PC over phosphatidyl ethanolamine, -glycerol and -inositol. The active recombinant enzyme was tested in vitro against natural phospholipids isolated from poppy plants and preferably released the unsaturated fatty acids, linoleic acid and linolenic acid, from the naturally occurring mixture of substrate lipids.
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Affiliation(s)
- Veronika Jablonická
- Department of Cell and Molecular Biology of Drugs, Faculty of Pharmacy, Comenius University in Bratislava, Kalinčiakova 8, 832 32 Bratislava, Slovakia
| | - Johanna Mansfeld
- Department of Cellular Biochemistry, Institute of Biochemistry and Biotechnology, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Str.3, 06120 Halle (Saale), Germany
| | - Ingo Heilmann
- Department of Cellular Biochemistry, Institute of Biochemistry and Biotechnology, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Str.3, 06120 Halle (Saale), Germany
| | - Marek Obložinský
- Department of Cell and Molecular Biology of Drugs, Faculty of Pharmacy, Comenius University in Bratislava, Kalinčiakova 8, 832 32 Bratislava, Slovakia.
| | - Mareike Heilmann
- Department of Cellular Biochemistry, Institute of Biochemistry and Biotechnology, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Str.3, 06120 Halle (Saale), Germany
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Diamond A, Desgagné-Penix I. Metabolic engineering for the production of plant isoquinoline alkaloids. PLANT BIOTECHNOLOGY JOURNAL 2016; 14:1319-1328. [PMID: 26503307 DOI: 10.1111/pbi.12494] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 09/15/2015] [Accepted: 09/19/2015] [Indexed: 06/05/2023]
Abstract
Several plant isoquinoline alkaloids (PIAs) possess powerful pharmaceutical and biotechnological properties. Thus, PIA metabolism and its fascinating molecules, including morphine, colchicine and galanthamine, have attracted the attention of both the industry and researchers involved in plant science, biochemistry, chemical bioengineering and medicine. Currently, access and availability of high-value PIAs [commercialized (e.g. galanthamine) or not (e.g. narciclasine)] is limited by low concentration in nature, lack of cultivation or geographic access, seasonal production and risk of overharvesting wild plant species. Nevertheless, most commercial PIAs are still extracted from plant sources. Efforts to improve the production of PIA have largely been impaired by the lack of knowledge on PIA metabolism. With the development and integration of next-generation sequencing technologies, high-throughput proteomics and metabolomics analyses and bioinformatics, systems biology was used to unravel metabolic pathways allowing the use of metabolic engineering and synthetic biology approaches to increase production of valuable PIAs. Metabolic engineering provides opportunity to overcome issues related to restricted availability, diversification and productivity of plant alkaloids. Engineered plant, plant cells and microbial cell cultures can act as biofactories by offering their metabolic machinery for the purpose of optimizing the conditions and increasing the productivity of a specific alkaloid. In this article, is presented an update on the production of PIA in engineered plant, plant cell cultures and heterologous micro-organisms.
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Affiliation(s)
- Andrew Diamond
- Department of Chemistry, Biochemistry and Physics, University of Québec at Trois-Rivières, Trois-Rivières, QC, Canada
| | - Isabel Desgagné-Penix
- Department of Chemistry, Biochemistry and Physics, University of Québec at Trois-Rivières, Trois-Rivières, QC, Canada
- Groupe de recherche en biologie végétale, University of Québec at Trois-Rivières, Trois-Rivières, QC, Canada
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Campbell A, Bauchart P, Gold ND, Zhu Y, De Luca V, Martin VJJ. Engineering of a Nepetalactol-Producing Platform Strain of Saccharomyces cerevisiae for the Production of Plant Seco-Iridoids. ACS Synth Biol 2016; 5:405-14. [PMID: 26981892 DOI: 10.1021/acssynbio.5b00289] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The monoterpene indole alkaloids (MIAs) are a valuable family of chemicals that include the anticancer drugs vinblastine and vincristine. These compounds are of global significance-appearing on the World Health Organization's list of model essential medicines-but remain exorbitantly priced due to low in planta levels. Chemical synthesis and genetic manipulation of MIA producing plants such as Catharanthus roseus have so far failed to find a solution to this problem. Synthetic biology holds a potential answer, by building the pathway into more tractable organisms such as Saccharomyces cerevisiae. Recent work has taken the first steps in this direction by producing small amounts of the intermediate strictosidine in yeast. In order to help improve on these titers, we aimed to optimize the early biosynthetic steps of the MIA pathway to the metabolite nepetalactol. We combined a number of strategies to create a base strain producing 11.4 mg/L of the precursor geraniol. We also show production of the critical intermediate 10-hydroxygeraniol and demonstrate nepetalactol production in vitro. Lastly we demonstrate that activity of the iridoid synthase toward the intermediates geraniol and 10-hydroxygeraniol results in the synthesis of the nonproductive intermediates citronellol and 10-hydroxycitronellol. This discovery has serious implications for the reconstruction of the MIA in heterologous organisms.
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Affiliation(s)
- Alex Campbell
- Department
of Biology, Centre for Structural and Functional Genomics, Concordia University, Montréal, Québec H4B 1R6, Canada
| | - Philippe Bauchart
- Department
of Biology, Centre for Structural and Functional Genomics, Concordia University, Montréal, Québec H4B 1R6, Canada
| | - Nicholas D. Gold
- Department
of Biology, Centre for Structural and Functional Genomics, Concordia University, Montréal, Québec H4B 1R6, Canada
| | - Yun Zhu
- Department
of Biology, Centre for Structural and Functional Genomics, Concordia University, Montréal, Québec H4B 1R6, Canada
| | - Vincenzo De Luca
- Department
of Biological Sciences, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, Ontario L2S 3A1, Canada
| | - Vincent J. J. Martin
- Department
of Biology, Centre for Structural and Functional Genomics, Concordia University, Montréal, Québec H4B 1R6, Canada
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50
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Biocatalysts from alkaloid producing plants. Curr Opin Chem Biol 2016; 31:22-30. [DOI: 10.1016/j.cbpa.2015.12.006] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 12/19/2015] [Accepted: 12/22/2015] [Indexed: 11/21/2022]
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