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Xie G, Zou X, Liang Z, Zhang K, Wu D, Jin H, Wang H, Shen Q. GBF family member PfGBF3 and NAC family member PfNAC2 regulate rosmarinic acid biosynthesis under high light. PLANT PHYSIOLOGY 2024; 195:1728-1744. [PMID: 38441888 DOI: 10.1093/plphys/kiae036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 12/12/2023] [Indexed: 06/02/2024]
Abstract
Rosmarinic acid (RA) is an important medicinal metabolite and a potent food antioxidant. We discovered that exposure to high light intensifies the accumulation of RA in the leaves of perilla (Perilla frutescens (L.) Britt). However, the molecular mechanism underlying RA synthesis in response to high light stress remains poorly understood. To address this knowledge gap, we conducted a comprehensive analysis employing transcriptomic sequencing, transcriptional activation, and genetic transformation techniques. High light treatment for 1 and 48 h resulted in the upregulation of 592 and 1,060 genes, respectively. Among these genes, three structural genes and 93 transcription factors exhibited co-expression. Notably, NAC family member PfNAC2, GBF family member PfGBF3, and cinnamate-4-hydroxylase gene PfC4H demonstrated significant co-expression and upregulation under high light stress. Transcriptional activation analysis revealed that PfGBF3 binds to and activates the PfNAC2 promoter. Additionally, both PfNAC2 and PfGBF3 bind to the PfC4H promoter, thereby positively regulating PfC4H expression. Transient overexpression of PfNAC2, PfGBF3, and PfC4H, as well as stable transgenic expression of PfNAC2, led to a substantial increase in RA accumulation in perilla. Consequently, PfGBF3 acts as a photosensitive factor that positively regulates PfNAC2 and PfC4H, while PfNAC2 also regulates PfC4H to promote RA accumulation under high light stress. The elucidation of the regulatory mechanism governing RA accumulation in perilla under high light conditions provides a foundation for developing a high-yield RA system and a model to understand light-induced metabolic accumulation.
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Affiliation(s)
- Guanwen Xie
- School of Pharmaceutical Sciences, Institute of Medical Plant Physiology and Ecology, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Xiuzai Zou
- School of Pharmaceutical Sciences, Institute of Medical Plant Physiology and Ecology, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Zishan Liang
- School of Pharmaceutical Sciences, Institute of Medical Plant Physiology and Ecology, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Ke Zhang
- School of Pharmaceutical Sciences, Institute of Medical Plant Physiology and Ecology, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Duan Wu
- School of Pharmaceutical Sciences, Institute of Medical Plant Physiology and Ecology, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Honglei Jin
- School of Pharmaceutical Sciences, Institute of Medical Plant Physiology and Ecology, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Hongbin Wang
- School of Pharmaceutical Sciences, Institute of Medical Plant Physiology and Ecology, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Qi Shen
- School of Pharmaceutical Sciences, Institute of Medical Plant Physiology and Ecology, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
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Kernou ON, Azzouz Z, Madani K, Rijo P. Application of Rosmarinic Acid with Its Derivatives in the Treatment of Microbial Pathogens. Molecules 2023; 28:molecules28104243. [PMID: 37241981 DOI: 10.3390/molecules28104243] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
The emergence of the antimicrobial resistance phenomena on and the harmful consequences of the use of antibiotics motivate the necessity of innovative antimicrobial therapies, while natural substances are considered a promising alternative. Rosmarin is an original plant compound listed among the hydroxycinnamic acids. This substance has been widely used to fight microbial pathology and chronic infections from microorganisms like bacteria, fungi and viruses. Also, various derivatives of rosmarinic acid, such as the propyl ester of rosmarinic acid, rosmarinic acid methyl ester or the hexyl ester of rosmarinic acid, have been synthesized chemically, which have been isolated as natural antimicrobial agents. Rosmarinic acid and its derivatives were combined with antibiotics to obtain a synergistic effect. This review reports on the antimicrobial effects of rosmarinic acid and its associated derivatives, both in their free form and in combination with other microbial pathogens, and mechanisms of action.
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Affiliation(s)
- Ourdia-Nouara Kernou
- Laboratoire de Biomathématiques, Biophysique, Biochimie, et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia 06000, Algeria
| | - Zahra Azzouz
- Laboratoire de Microbiologie Appliquée (LMA), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia 06000, Algeria
| | - Khodir Madani
- Laboratoire de Biomathématiques, Biophysique, Biochimie, et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia 06000, Algeria
- Centre de Recherche en Technologie Agroalimentaire (CRTAA), Route de Targua-Ouzemour, Bejaia 06000, Algeria
| | - Patricia Rijo
- CBIOS-Centro de Investigação em Biociências e Tecnologias da Saúde, Universida de Lusófona, Campo Grande 376, 1749-028 Lisbon, Portugal
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Liboa, 1649-003 Lisboa, Portugal
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3
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Wang L, Wang H, Chen J, Qin Z, Yu S, Zhou J. Coordinating caffeic acid and salvianic acid A pathways for efficient production of rosmarinic acid in Escherichia coli. Metab Eng 2023; 76:29-38. [PMID: 36623792 DOI: 10.1016/j.ymben.2023.01.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 12/17/2022] [Accepted: 01/05/2023] [Indexed: 01/09/2023]
Abstract
Rosmarinic acid is a natural hydroxycinnamic acid ester used widely in the food and pharmaceutical industries. Although many attempts have been made to screen rate-limiting enzymes and optimize modules through co-culture fermentation, the titer of rosmarinic acid remains at the microgram level by microorganisms. A de novo biosynthetic pathway for rosmarinic acid was constructed based on caffeic acid synthesis modules in Escherichia coli. Knockout of competing pathways increased the titer of rosmarinic acid and reduced the synthesis of rosmarinic acid analogues. An L-amino acid deaminase was introduced to balance metabolic flux between the synthesis of caffeic acid and salvianic acid A. The ratio of FADH2/FAD was maintained via the coordination of deaminase and HpaBC, which is responsible for caffeic acid synthesis. Knockout of menI, encoding an endogenous thioesterase, increased the stability of caffeoyl-CoA. The final strain produced 5780.6 mg/L rosmarinic acid in fed-batch fermentation, the highest yet reported for microbial production. The strategies applied in this study lay a foundation for the synthesis of other caffeic acid and rosmarinic acid derivatives.
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Affiliation(s)
- Lian Wang
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China.
| | - Huijing Wang
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Jianbin Chen
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Zhijie Qin
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Shiqin Yu
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Jingwen Zhou
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China; Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi, 214122, China.
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In Vitro and In Silico Analyses of New Cinnamid and Rosmarinic Acid-Derived Compounds Biosynthesized in Escherichia coli as Leishmania amazonensis Arginase Inhibitors. Pathogens 2022; 11:pathogens11091020. [PMID: 36145452 PMCID: PMC9504950 DOI: 10.3390/pathogens11091020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/04/2022] [Accepted: 09/06/2022] [Indexed: 12/04/2022] Open
Abstract
Arginase is a metalloenzyme that plays a central role in Leishmania infections. Previously, rosmarinic and caffeic acids were described as antileishmanial agents and as Leishmania amazonensis arginase inhibitors. Here, we describe the inhibition of arginase in L. amazonensis by rosmarinic acid analogs (1–7) and new caffeic acid-derived amides (8–10). Caffeic acid esters and amides were produced by means of an engineered synthesis in E. coli and tested against L. amazonensis arginase. New amides (8–10) were biosynthesized in E. coli cultured with 2 mM of different combinations of feeding substrates. The most potent arginase inhibitors showed Ki(s) ranging from 2 to 5.7 μM. Compounds 2–4 and 7 inhibited L. amazonensis arginase (L-ARG) through a noncompetitive mechanism whilst compound 9 showed a competitive inhibition. By applying an in silico protocol, we determined the binding mode of compound 9. The competitive inhibitor of L-ARG targeted the key residues within the binding site of the enzyme, establishing a metal coordination bond with the metal ions and a series of hydrophobic and polar contacts supporting its micromolar inhibition of L-ARG. These results highlight that dihydroxycinnamic-derived compounds can be used as the basis for developing new drugs using a powerful tool based on the biosynthesis of arginase inhibitors.
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Zhou P, Yue C, Zhang Y, Li Y, Da X, Zhou X, Ye L. Alleviation of the Byproducts Formation Enables Highly Efficient Biosynthesis of Rosmarinic Acid in Saccharomyces cerevisiae. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:5077-5087. [PMID: 35416041 DOI: 10.1021/acs.jafc.2c01179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Rosmarinic acid as a polyphenolic compound has great values in the pharmaceutical, cosmetic, and food industries. To achieve efficient biosynthesis of rosmarinic acid, the major obstacles such as imbalanced metabolic flux among branching pathways and substrate promiscuity of pathway enzymes should be eliminated. Here, a rosmarinic acid producing Saccharomyces cerevisiae strain was constructed by introducing codon optimized d-lactate dehydrogenase gene mutant (OD-LDHY52A), 4-coumarate CoA ligase gene (OPc4CL2), and rosmarinic acid synthase gene (OMoRAS) into a previously constructed caffeic acid hyper-producer. To identify the metabolic bottleneck, the substrate specificity of OPc4CL2 and OMoRAS was figured out by bioconversion experiments and HPLC-MS/MS analysis. Subsequently, the byproducts formation was alleviated by removing prephenate dehydratase and tuning down the expression level of OPc4CL2. The final strain YRA113-15B produced 208 mg/L rosmarinic acid in a shake-flask culture (a 63-fold improvement over the initial strain), which was the highest rosmarinic acid titer by engineered microbial cells reported to date. This work provides a promising platform for fermentative production of rosmarinic acid and offers a strategy to overcome the intrapathway competition.
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Affiliation(s)
- Pingping Zhou
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu 225009, P. R. China
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, P. R. China
| | - Chunlei Yue
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, P. R. China
| | - Yuchen Zhang
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, P. R. China
| | - Yan Li
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, P. R. China
| | - Xinyi Da
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, P. R. China
| | - Xiuqi Zhou
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, P. R. China
| | - Lidan Ye
- Institute of Bioengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P. R. China
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6
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Xu Y, Geng L, Zhang Y, Jones JA, Zhang M, Chen Y, Tan R, Koffas MAG, Wang Z, Zhao S. De novo Biosynthesis of Salvianolic Acid B in Saccharomyces cerevisiae Engineered with the Rosmarinic Acid Biosynthetic Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:2290-2302. [PMID: 35157428 DOI: 10.1021/acs.jafc.1c06329] [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] [Indexed: 06/14/2023]
Abstract
Salvianolic acid B (SAB), also named lithospermic acid B, belongs to a class of water-soluble phenolic acids, originating from plants such as Salvia miltiorrhiza. SAB exhibits a variety of biological activities and has been clinically used to treat cardio- and cerebrovascular diseases and also has great potential as a health care product and medicine for other disorders. However, its biosynthetic pathway has not been completely elucidated. Here, we report the de novo biosynthesis of SAB in Saccharomyces cerevisiae engineered with the heterologous rosmarinic acid (RA) biosynthetic pathway. The created pathway contains seven genes divided into three modules on separate plasmids, pRS424-FjTAL-Sm4CL2, pRS425-SmTAT-SmHPPR or pRS425-SmTAT-CbHPPR, and pRS426-SmRAS-CbCYP-CbCPR. These three modules were cotransformed into S. cerevisiae, resulting in the recombinant strains YW-44 and YW-45. Incubation of the recombinant strains in a basic medium without supplementing any substrates yielded 34 and 30 μg/L of SAB. The findings in this study indicate that the created heterologous RA pathway cooperates with the native metabolism of S. cerevisiae to enable the de novo biosynthesis of SAB. This provides a novel insight into a biosynthesis mechanism of SAB and also lays the foundation for the production of SAB using microbial cell factories.
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Affiliation(s)
- Yingpeng Xu
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Lijun Geng
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yiwen Zhang
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - J Andrew Jones
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - Meihong Zhang
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yuan Chen
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ronghui Tan
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Mattheos A G Koffas
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
- Department of Biological Sciences, Rensselaer Polytechnic Institutes, Troy, New York 12180, United States
| | - Zhengtao Wang
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Shujuan Zhao
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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7
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Wang L, Chen K, Zhang M, Ye M, Qiao X. Catalytic function, mechanism, and application of plant acyltransferases. Crit Rev Biotechnol 2021; 42:125-144. [PMID: 34151663 DOI: 10.1080/07388551.2021.1931015] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Acyltransferases (ATs) are important tailoring enzymes that contribute to the diversity of natural products. They catalyze the transfer of acyl groups to the skeleton, which improves the lipid solubility, stability, and pharmacological activity of natural compounds. In recent years, a number of ATs have been isolated from plants. In this review, we have summarized 141 biochemically characterized ATs during the period July 1997 to October 2020, including their function, heterologous expression systems, and catalytic mechanisms. Their catalytic performance and application potential has been further discussed.
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Affiliation(s)
- Linlin Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Kuan Chen
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Meng Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Min Ye
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Xue Qiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
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8
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Babaei M, Borja Zamfir GM, Chen X, Christensen HB, Kristensen M, Nielsen J, Borodina I. Metabolic Engineering of Saccharomyces cerevisiae for Rosmarinic Acid Production. ACS Synth Biol 2020; 9:1978-1988. [PMID: 32589831 PMCID: PMC8961883 DOI: 10.1021/acssynbio.0c00048] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Indexed: 02/08/2023]
Abstract
Rosmarinic acid is a hydroxycinnamic acid ester commonly found in the Boraginaceae and Lamiaceae plant families. It exhibits various biological activities, including antioxidant, anti-inflammatory, antibacterial, antiallergic, and antiviral properties. Rosmarinic acid is used as a food and cosmetic ingredient, and several pharmaceutical applications have been suggested as well. Rosmarinic acid is currently produced by extraction from plants or chemical synthesis; however, due to limited availability of the plant sources and the complexity of the chemical synthesis method, there is an increasing interest in producing this compound by microbial fermentation. In this study, we aimed to produce rosmarinic acid by engineered baker's yeast Saccharomyces cerevisiae. Multiple biosynthetic pathway variants, carrying only plant genes or a combination of plant and Escherichia coli genes, were implemented using a full factorial design of experiment. Through analysis of variances, the effect of each enzyme variant (factors), together with possible interactions between these factors, was assessed. The best pathway variant produced 2.95 ± 0.08 mg/L rosmarinic acid in mineral medium with glucose as the sole carbon source. Increasing the copy number of rosmarinic acid biosynthetic genes increased the titer to 5.93 ± 0.06 mg/L. The study shows the feasibility of producing rosmarinic acid by yeast fermentation.
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Affiliation(s)
- Mahsa Babaei
- The
Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet Building 220, DK-2800 Kgs. Lyngby, Denmark
| | - Gheorghe M. Borja Zamfir
- The
Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet Building 220, DK-2800 Kgs. Lyngby, Denmark
| | - Xiao Chen
- The
Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet Building 220, DK-2800 Kgs. Lyngby, Denmark
| | - Hanne Bjerre Christensen
- The
Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet Building 220, DK-2800 Kgs. Lyngby, Denmark
| | - Mette Kristensen
- The
Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet Building 220, DK-2800 Kgs. Lyngby, Denmark
| | - Jens Nielsen
- The
Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet Building 220, DK-2800 Kgs. Lyngby, Denmark
- Department
of Biology and Biological Engineering, Chalmers
University of Technology, 412 96, Gothenburg, Sweden
- BioInnovation
Institute, Ole Måløes
Vej 3, 2200, Copenhagen
N, Denmark
| | - Irina Borodina
- The
Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet Building 220, DK-2800 Kgs. Lyngby, Denmark
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9
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Yan Y, Jia P, Bai Y, Fan TP, Zheng X, Cai Y. Production of rosmarinic acid with ATP and CoA double regenerating system. Enzyme Microb Technol 2019; 131:109392. [PMID: 31615678 DOI: 10.1016/j.enzmictec.2019.109392] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 07/31/2019] [Accepted: 08/04/2019] [Indexed: 12/24/2022]
Abstract
Rosmarinic acid (RA), as a hydroxycinnamic acid ester of caffeic acid (CA) and 3,4-dihydroxyphenyllactic acid (3,4-DHPL), is a phenylpropanoid-derived plant natural product and has diverse biological activities. This work acts as a modular platform for microbial production using a two-cofactor (ATP and CoA) regeneration system to product RA based on a cell-free biosynthetic approach. Optimal activity of the reaction system was pH 8 and 30 °C. Total turnover number for ATP and CoA was 820.60 ± 28.60 and 444.50 ± 9.65, respectively. Based on the first hour data, the RA productivity reached 320.04 mg L-1 h-1 (0.889 mM L-1 h-1).
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Affiliation(s)
- Yi Yan
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Pu Jia
- College of Life Sciences, Northwest University, Xi'an, Shaanxi 710069, China
| | - Yajun Bai
- College of Life Sciences, Northwest University, Xi'an, Shaanxi 710069, China
| | - Tai-Ping Fan
- Department of Pharmacology, University of Cambridge, Cambridge CB2 1T, UK
| | - Xiaohui Zheng
- College of Life Sciences, Northwest University, Xi'an, Shaanxi 710069, China.
| | - Yujie Cai
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
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10
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Abstract
Naturally occurring food-derived active ingredients have received huge attention for their chemopreventive and chemotherapy capabilities in several diseases. Rosmarinic acid (RA) is a caffeic acid ester and a naturally-occurring phenolic compound in a number of plants belonging to the Lamiaceae family, such as Rosmarinus officinalis (rosemary) from which it was formerly isolated. RA intervenes in carcinogenesis through different ways, including in tumor cell proliferation, apoptosis, metastasis, and inflammation. On the other hand, it also exerts powerful antimicrobial, anti-inflammatory, antioxidant and even antidepressant, anti-aging effects. The present review aims to provide an overview on anticancer activities of RA and to deliberate its therapeutic potential against a wide variety of diseases. Given the current evidence, RA may be considered as part of the daily diet in the treatment of several diseases, with pre-determined doses avoiding cytotoxicity.
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Li Z, Wang X, Zhang H. Balancing the non-linear rosmarinic acid biosynthetic pathway by modular co-culture engineering. Metab Eng 2019; 54:1-11. [PMID: 30844431 DOI: 10.1016/j.ymben.2019.03.002] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 03/01/2019] [Accepted: 03/03/2019] [Indexed: 11/20/2022]
Abstract
Pathway balancing is a critical and common challenge for microbial biosynthesis using metabolic engineering approaches. Non-linear biosynthetic pathways, such as diverging and converging pathways, are particularly difficult for bioproduction optimization, because they require delicate balancing between all interconnected constituent pathway modules. The emergence of modular co-culture engineering offers a new perspective for biosynthetic pathways modularization and balancing, as the biosynthetic capabilities of individual pathway modules can be coordinated by flexible adjustment of the subpopulation ratio of the co-culture strains carrying the designated modules. This study developed microbial co-cultures composed of multiple metabolically engineered E. coli strains for heterologous biosynthesis of complex natural product rosmarinic acid (RA) whose biosynthesis involves a complex diverging-converging pathway. Our results showed that, compared with the conventional mono-culture strategy, the engineered two-strain co-cultures significantly improved the RA production. Further pathway modularization and balancing in the context of three-strain co-cultures resulted in additional production improvement. Moreover, metabolically engineered co-culture strains utilizing different carbon substrates were recruited to improve the three-strain co-culture stability. The optimized co-culture based on these efforts produced 172 mg/L RA, exhibiting 38-fold biosynthesis improvement over the parent strain used in mono-culture biosynthesis. The findings of this work demonstrate the strong potentials of modular co-culture engineering for overcoming the challenges of complex natural product biosynthesis involving non-linear pathways.
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Affiliation(s)
- Zhenghong Li
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Rd, Piscataway, NJ 08854, USA
| | - Xiaonan Wang
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Rd, Piscataway, NJ 08854, USA
| | - Haoran Zhang
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Rd, Piscataway, NJ 08854, USA.
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12
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Swamy MK, Sinniah UR, Ghasemzadeh A. Anticancer potential of rosmarinic acid and its improved production through biotechnological interventions and functional genomics. Appl Microbiol Biotechnol 2018; 102:7775-7793. [PMID: 30022261 DOI: 10.1007/s00253-018-9223-y] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 07/04/2018] [Accepted: 07/04/2018] [Indexed: 12/19/2022]
Abstract
Rosmarinic acid (RA) is a highly valued natural phenolic compound that is very commonly found in plants of the families Lamiaceae and Boraginaceae, including Coleus blumei, Heliotropium foertherianum, Rosmarinus officinalis, Perilla frutescens, and Salvia officinalis. RA is also found in other members of higher plant families and in some fern and horned liverwort species. The biosynthesis of RA is catalyzed by the enzymes phenylalanine ammonia lyase and cytochrome P450-dependent hydroxylase using the amino acids tyrosine and phenylalanine. Chemically, RA can be produced via methods involving the esterification of 3,4-dihydroxyphenyllactic acid and caffeic acid. Some of the derivatives of RA include melitric acid, salvianolic acid, lithospermic acid, and yunnaneic acid. In plants, RA is known to have growth-promoting and defensive roles. Studies have elucidated the varied pharmacological potential of RA and its derived molecules, including anticancer, antiangiogenic, anti-inflammatory, antioxidant, and antimicrobial activities. The demand for RA is therefore, very high in the pharmaceutical industry, but this demand cannot be met by plants alone because RA content in plant organs is very low. Further, many plants that synthesize RA are under threat and near extinction owing to biodiversity loss caused by unscientific harvesting, over-collection, environmental changes, and other inherent features. Moreover, the chemical synthesis of RA is complicated and expensive. Alternative approaches using biotechnological methodologies could overcome these problems. This review provides the state of the art information on the chemistry, sources, and biosynthetic pathways of RA, as well as its anticancer properties against different cancer types. Biotechnological methods are also discussed for producing RA using plant cell, tissue, and organ cultures and hairy-root cultures using flasks and bioreactors. The recent developments and applications of the functional genomics approach and heterologous production of RA in microbes are also highlighted. This chapter will be of benefit to readers aiming to design studies on RA and its applicability as an anticancer agent.
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Affiliation(s)
- Mallappa Kumara Swamy
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
| | - Uma Rani Sinniah
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Ali Ghasemzadeh
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
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13
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Shi M, Huang F, Deng C, Wang Y, Kai G. Bioactivities, biosynthesis and biotechnological production of phenolic acids in Salvia miltiorrhiza. Crit Rev Food Sci Nutr 2018; 59:953-964. [PMID: 29746788 DOI: 10.1080/10408398.2018.1474170] [Citation(s) in RCA: 144] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Salvia miltiorrhiza (Danshen in Chinese), is a well-known traditional Chinese medicinal plant, which is used as not only human medicine but also health-promotion food. Danshen has been extensively used for the treatment of various cardiovascular and cerebrovascular diseases. As a major group of bioactive constituents from S. miltiorrhiza, water-soluble phenolic acids such as salvianolic acid B possessed good bioactivities including antioxidant, anti-inflammatory, anti-cancer and other health-promoting activities. It is of significance to improve the production of phenolic acids by modern biotechnology approaches to meet the increasing market demand. Significant progresses have been made in understanding the biosynthetic pathway and regulation mechanism of phenolic acids in S.miltiorrhiza, which will facilitate the process of targeted metabolic engineering or synthetic biology. Furthermore, multiple biotechnology methods such as in vitro culture, elicitation, hairy roots, endophytic fungi and bioreactors have been also used to obtain pharmaceutically active phenolic acids from S. miltiorrhiza. In this review, recent advances in bioactivities, biosynthetic pathway and biotechnological production of phenolic acid ingredients were summarized and future prospective was also discussed.
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Affiliation(s)
- Min Shi
- a Laboratory of Medicinal Plant Biotechnology, College of pharmacy, Zhejiang Chinese Medical University , Hangzhou , Zhejiang , People's Republic of China
| | - Fenfen Huang
- b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
| | - Changping Deng
- b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
| | - Yao Wang
- b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
| | - Guoyin Kai
- a Laboratory of Medicinal Plant Biotechnology, College of pharmacy, Zhejiang Chinese Medical University , Hangzhou , Zhejiang , People's Republic of China.,b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
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14
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Production of caffeoylmalic acid from glucose in engineered Escherichia coli. Biotechnol Lett 2018; 40:1057-1065. [DOI: 10.1007/s10529-018-2580-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 05/22/2018] [Indexed: 11/26/2022]
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15
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Schenck CA, Maeda HA. Tyrosine biosynthesis, metabolism, and catabolism in plants. PHYTOCHEMISTRY 2018; 149:82-102. [PMID: 29477627 DOI: 10.1016/j.phytochem.2018.02.003] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 01/26/2018] [Accepted: 02/02/2018] [Indexed: 05/22/2023]
Abstract
L-Tyrosine (Tyr) is an aromatic amino acid (AAA) required for protein synthesis in all organisms, but synthesized de novo only in plants and microorganisms. In plants, Tyr also serves as a precursor of numerous specialized metabolites that have diverse physiological roles as electron carriers, antioxidants, attractants, and defense compounds. Some of these Tyr-derived plant natural products are also used in human medicine and nutrition (e.g. morphine and vitamin E). While the Tyr biosynthesis and catabolic pathways have been extensively studied in microbes and animals, respectively, those of plants have received much less attention until recently. Accumulating evidence suggest that the Tyr biosynthetic pathways differ between microbes and plants and even within the plant kingdom, likely to support the production of lineage-specific plant specialized metabolites derived from Tyr. The interspecies variations of plant Tyr pathway enzymes can now be used to enhance the production of Tyr and Tyr-derived compounds in plants and other synthetic biology platforms.
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Affiliation(s)
- Craig A Schenck
- Department of Botany, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Hiroshi A Maeda
- Department of Botany, University of Wisconsin-Madison, Madison, WI 53706, USA.
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16
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Wang J, Mahajani M, Jackson SL, Yang Y, Chen M, Ferreira EM, Lin Y, Yan Y. Engineering a bacterial platform for total biosynthesis of caffeic acid derived phenethyl esters and amides. Metab Eng 2017; 44:89-99. [PMID: 28943460 DOI: 10.1016/j.ymben.2017.09.011] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/29/2017] [Accepted: 09/18/2017] [Indexed: 12/19/2022]
Abstract
Caffeic acid has been widely recognized as a versatile pharmacophore for synthesis of new chemical entities, among which caffeic acid derived phenethyl esters and amides are the most extensively-investigated bioactive compounds with potential therapeutical applications. However, the natural biosynthetic routes for caffeic acid derived phenethyl esters or amides remain enigmatic, limiting their bio-based production. Herein, product-directed design of biosynthetic schemes allowed the development of thermodynamically favorable pathways for these compounds via acyltransferase (ATF) mediated trans-esterification. Production based screening identified a microbial O-ATF from Saccharomyces cerevisiae and a plant N-ATF from Capsicum annuum capable of forming caffeic acid derived esters and amides, respectively. Subsequent combinatorial incorporation of caffeic acid with various aromatic alcohol or amine biosynthetic pathways permitted the de novo bacterial production of a panel of caffeic acid derived phenethyl esters or amides in Escherichia coli for the first time. Particularly, host strain engineering via systematic knocking out endogenous caffeoyl-CoA degrading thioesterase and pathway optimization via titrating co-substrates enabled production enhancement of five caffeic acid derived phenethyl esters and amides, with titers ranging from 9.2 to 369.1mg/L. This platform expanded the capabilities of bacterial production of high-value natural aromatic esters and amides from renewable carbon source via tailoring non-natural biosynthetic pathways.
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Affiliation(s)
- Jian Wang
- College of Engineering, The University of Georgia, Athens, GA 30602, USA
| | | | - Sheneika L Jackson
- Department of Chemistry, The University of Georgia, Athens, GA 30602, USA
| | - Yaping Yang
- College of Engineering, The University of Georgia, Athens, GA 30602, USA
| | - Mengyin Chen
- BiotecEra Inc., 220 Riverbend Rd., Athens, GA 30602, USA
| | - Eric M Ferreira
- Department of Chemistry, The University of Georgia, Athens, GA 30602, USA
| | - Yuheng Lin
- BiotecEra Inc., 220 Riverbend Rd., Athens, GA 30602, USA.
| | - Yajun Yan
- College of Engineering, The University of Georgia, Athens, GA 30602, USA.
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17
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Ru M, Wang K, Bai Z, Peng L, He S, Wang Y, Liang Z. A tyrosine aminotransferase involved in rosmarinic acid biosynthesis in Prunella vulgaris L. Sci Rep 2017; 7:4892. [PMID: 28687763 PMCID: PMC5501851 DOI: 10.1038/s41598-017-05290-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 05/25/2017] [Indexed: 12/16/2022] Open
Abstract
Rosmarinic acid (RA) and its derivants are medicinal compounds that comprise the active components of several therapeutics. We isolated and characterised a tyrosine aminotransferase of Prunella vulgaris (PvTAT). Deduced PvTAT was markedly homologous to other known/putative plant TATs. Cytoplasmic localisation of PvTAT was observed in tobacco protoplasts. Recombinantly expressed and purified PvTAT had substrates preference for L-tyrosine and phenylpyruvate, with apparent K m of 0.40 and 0.48 mM, and favoured the conversion of tyrosine to 4-hydroxyphenylpyruvate. In vivo activity was confirmed by functional restoration of the Escherichia coli tyrosine auxotrophic mutant DL39. Agrobacterium rhizogenes-mediated antisense/sense expression of PvTAT in hairy roots was used to evaluate the contribution of PvTAT to RA synthesis. PvTAT were reduced by 46-95% and RA were decreased by 36-91% with low catalytic activity in antisense transgenic hairy root lines; furthermore, PvTAT were increased 0.77-2.6-fold with increased 1.3-1.8-fold RA and strong catalytic activity in sense transgenic hairy root lines compared with wild-type counterparts. The comprehensive physiological and catalytic evidence fills in the gap in RA-producing plants which didn't provide evidence for TAT expression and catalytic activities in vitro and in vivo. That also highlights RA biosynthesis pathway in P. vulgaris and provides useful information to engineer natural products.
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Affiliation(s)
- Mei Ru
- Institute of Soil and Water Conservation, Chinese Academy of Sciences&Ministry of Water Resources, Yangling, 712100, P.R. China
| | - Kunru Wang
- Institute of Soil and Water Conservation, Chinese Academy of Sciences&Ministry of Water Resources, Yangling, 712100, P.R. China
| | - Zhenqing Bai
- Institute of Soil and Water Conservation, Chinese Academy of Sciences&Ministry of Water Resources, Yangling, 712100, P.R. China
| | - Liang Peng
- College of Pharmacy, Shannxi University of Chinese Medicine, Xi'an, 710000, P.R. China
| | - Shaoxuan He
- Ecological Environmental Monitoring Station, Environmental Protection Agency, Dazu, 402360, P.R. China
| | - Yong Wang
- Institute of Soil and Water Conservation, Chinese Academy of Sciences&Ministry of Water Resources, Yangling, 712100, P.R. China
| | - Zongsuo Liang
- Institute of Soil and Water Conservation, Chinese Academy of Sciences&Ministry of Water Resources, Yangling, 712100, P.R. China.
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, 310000, P.R. China.
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18
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He Q, Yin H, Jiang J, Bai Y, Chen N, Liu S, Zhuang Y, Liu T. Fermentative Production of Phenolic Glucosides by Escherichia coli with an Engineered Glucosyltransferase from Rhodiola sachalinensis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:4691-4697. [PMID: 28547990 DOI: 10.1021/acs.jafc.7b00981] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Three rosmarinic acid analogs produced by recombinant Escherichia coli, two xanthones from fungi and honokiol from plants, were explored as the substrates of E. coli harboring a glucosyltransferase mutant UGT73B6FS to generate phenolic glucosides. Six new and two known compounds were isolated from the fermentation broth of the recombinant strain of the feeding experiments, and the compounds were identified by spectroscopy. The biotransformation of rosmarinic acid analogs and xanthones into corresponding glucosides was presented for the first time. This study not only demonstrated the substrate flexibility of the glucosyltransferase mutant UGT73B6FS toward aromatic alcohols but also provided an effective and economical method to produce phenolic glucosides by fermentation circumventing the use of expensive precursor UDP-glucose.
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Affiliation(s)
- Qinglin He
- National and Local United Engineering Lab of Metabolic Control Fermentation Technology, College of Biotechnology, Tianjin University of Science and Technology , Tianjin 300457, China
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences , Tianjin 300308, China
| | - Hua Yin
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences , Tianjin 300308, China
- Key Laboratory of Systems Microbial Biotechnology, Chinese Academy of Sciences , Tianjin 300308, China
| | - Jingjie Jiang
- College of Biotechnology, the State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology , Shanghai 200237, China
| | - Yanfen Bai
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences , Tianjin 300308, China
- Key Laboratory of Systems Microbial Biotechnology, Chinese Academy of Sciences , Tianjin 300308, China
| | - Ning Chen
- National and Local United Engineering Lab of Metabolic Control Fermentation Technology, College of Biotechnology, Tianjin University of Science and Technology , Tianjin 300457, China
| | - Shaowei Liu
- College of Biotechnology, the State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology , Shanghai 200237, China
| | - Yibin Zhuang
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences , Tianjin 300308, China
- Key Laboratory of Systems Microbial Biotechnology, Chinese Academy of Sciences , Tianjin 300308, China
| | - Tao Liu
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences , Tianjin 300308, China
- Key Laboratory of Systems Microbial Biotechnology, Chinese Academy of Sciences , Tianjin 300308, China
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19
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Eudes A, Mouille M, Robinson DS, Benites VT, Wang G, Roux L, Tsai YL, Baidoo EEK, Chiu TY, Heazlewood JL, Scheller HV, Mukhopadhyay A, Keasling JD, Deutsch S, Loqué D. Exploiting members of the BAHD acyltransferase family to synthesize multiple hydroxycinnamate and benzoate conjugates in yeast. Microb Cell Fact 2016; 15:198. [PMID: 27871334 PMCID: PMC5117604 DOI: 10.1186/s12934-016-0593-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 11/06/2016] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND BAHD acyltransferases, named after the first four biochemically characterized enzymes of the group, are plant-specific enzymes that catalyze the transfer of coenzyme A-activated donors onto various acceptor molecules. They are responsible for the synthesis in plants of a myriad of secondary metabolites, some of which are beneficial for humans either as therapeutics or as specialty chemicals such as flavors and fragrances. The production of pharmaceutical, nutraceutical and commodity chemicals using engineered microbes is an alternative, green route to energy-intensive chemical syntheses that consume petroleum-based precursors. However, identification of appropriate enzymes and validation of their functional expression in heterologous hosts is a prerequisite for the design and implementation of metabolic pathways in microbes for the synthesis of such target chemicals. RESULTS For the synthesis of valuable metabolites in the yeast Saccharomyces cerevisiae, we selected BAHD acyltransferases based on their preferred donor and acceptor substrates. In particular, BAHDs that use hydroxycinnamoyl-CoAs and/or benzoyl-CoA as donors were targeted because a large number of molecules beneficial to humans belong to this family of hydroxycinnamate and benzoate conjugates. The selected BAHD coding sequences were synthesized and cloned individually on a vector containing the Arabidopsis gene At4CL5, which encodes a promiscuous 4-coumarate:CoA ligase active on hydroxycinnamates and benzoates. The various S. cerevisiae strains obtained for co-expression of At4CL5 with the different BAHDs effectively produced a wide array of valuable hydroxycinnamate and benzoate conjugates upon addition of adequate combinations of donors and acceptor molecules. In particular, we report here for the first time the production in yeast of rosmarinic acid and its derivatives, quinate hydroxycinnamate esters such as chlorogenic acid, and glycerol hydroxycinnamate esters. Similarly, we achieved for the first time the microbial production of polyamine hydroxycinnamate amides; monolignol, malate and fatty alcohol hydroxycinnamate esters; tropane alkaloids; and benzoate/caffeate alcohol esters. In some instances, the additional expression of Flavobacterium johnsoniae tyrosine ammonia-lyase (FjTAL) allowed the synthesis of p-coumarate conjugates and eliminated the need to supplement the culture media with 4-hydroxycinnamate. CONCLUSION We demonstrate in this study the effectiveness of expressing members of the plant BAHD acyltransferase family in yeast for the synthesis of numerous valuable hydroxycinnamate and benzoate conjugates.
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Affiliation(s)
- Aymerick Eudes
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Maxence Mouille
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | | | - Veronica T Benites
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA.,Graduate Program, San Francisco State University, San Francisco, CA, 94132, USA
| | - George Wang
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Lucien Roux
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA.,Master Program, Ecole Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland
| | - Yi-Lin Tsai
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Edward E K Baidoo
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Tsan-Yu Chiu
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Joshua L Heazlewood
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA.,School of BioSciences, The University of Melbourne, Melbourne, VIC, 3010, Australia
| | - Henrik V Scheller
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Aindrila Mukhopadhyay
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Jay D Keasling
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA.,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA.,Department of Chemical & Biomolecular Engineering and Department of Bioengineering, University of California, Berkeley, CA, 94720, USA.,Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kogle Alle´, 2970, Hørsholm, Denmark
| | | | - Dominique Loqué
- Joint BioEnergy Institute, EmeryStation East, 5885 Hollis St., 4th Floor, Emeryville, CA, 94608, USA. .,Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA. .,CNRS, UMR5240, Microbiologie, Adaptation et Pathogénie, Université Claude Bernard Lyon 1, INSA de Lyon, 10 rue Raphaël Dubois, 69622, Villeurbanne, France.
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