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Xiang L, Zhang X, Lei Y, Wu J, Yan G, Chen W, Li S, Wang W, Jin JM, Liang C, Tang SY. Designing a highly efficient type III polyketide whole-cell catalyst with minimized byproduct formation. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2024; 17:93. [PMID: 38961423 PMCID: PMC11223281 DOI: 10.1186/s13068-024-02545-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 06/25/2024] [Indexed: 07/05/2024]
Abstract
BACKGROUND Polyketide synthases (PKSs) are classified into three types based on their enzyme structures. Among them, type III PKSs, catalyzing the iterative condensation of malonyl-coenzyme A (CoA) with a CoA-linked starter molecule, are important synthases of valuable natural products. However, low efficiency and byproducts formation often limit their applications in recombinant overproduction. RESULTS Herein, a rapid growth selection system is designed based on the accumulation and derepression of toxic acyl-CoA starter molecule intermediate products, which could be potentially applicable to most type III polyketides biosynthesis. This approach is validated by engineering both chalcone synthases (CHS) and host cell genome, to improve naringenin productions in Escherichia coli. From directed evolution of key enzyme CHS, beneficial mutant with ~ threefold improvement in capability of naringenin biosynthesis was selected and characterized. From directed genome evolution, effect of thioesterases on CHS catalysis is first discovered, expanding our understanding of byproduct formation mechanism in type III PKSs. Taken together, a whole-cell catalyst producing 1082 mg L-1 naringenin in flask with E value (evaluating product specificity) improved from 50.1% to 96.7% is obtained. CONCLUSIONS The growth selection system has greatly contributed to both enhanced activity and discovery of byproduct formation mechanism in CHS. This research provides new insights in the catalytic mechanisms of CHS and sheds light on engineering highly efficient heterologous bio-factories to produce naringenin, and potentially more high-value type III polyketides, with minimized byproducts formation.
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Grants
- 2022M713331 the China Postdoctoral Science Foundation
- Grant No. 31970080, 31971337, 31961133016 and 31971382 the National Natural Science Foundation of China
- Grant No. 31970080, 31971337, 31961133016 and 31971382 the National Natural Science Foundation of China
- Grant No. 31970080, 31971337, 31961133016 and 31971382 the National Natural Science Foundation of China
- Grant 2021YFC2100502, 2021YFC2103300, 2018YFA0900701, and 2021YFC2103901 the National Key Research and Development Program of China
- Grant 2021YFC2100502, 2021YFC2103300, 2018YFA0900701, and 2021YFC2103901 the National Key Research and Development Program of China
- YJKYYQ20210032 Instrument Developing Project of Chinese Academy of Science
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Affiliation(s)
- La Xiang
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- State Key Laboratory of Transducer Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xuanxuan Zhang
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- State Key Laboratory of Transducer Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yanyan Lei
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- State Key Laboratory of Transducer Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jieyuan Wu
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- State Key Laboratory of Transducer Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Guangru Yan
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- State Key Laboratory of Transducer Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei Chen
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shizhong Li
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- State Key Laboratory of Transducer Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wenzhao Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Jian-Ming Jin
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing, 100048, China.
| | - Chaoning Liang
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
- State Key Laboratory of Transducer Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Shuang-Yan Tang
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
- State Key Laboratory of Transducer Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
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Pérez-Valero Á, Serna-Diestro J, Villar CJ, Lombó F. Use of 3-Deoxy-D-arabino-heptulosonic acid 7-phosphate Synthase (DAHP Synthase) to Enhance the Heterologous Biosynthesis of Diosmetin and Chrysoeriol in an Engineered Strain of Streptomyces albidoflavus. Int J Mol Sci 2024; 25:2776. [PMID: 38474023 DOI: 10.3390/ijms25052776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/20/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Flavonoids are a large family of polyphenolic compounds with important agro-industrial, nutraceutical, and pharmaceutical applications. Among the structural diversity found in the flavonoid family, methylated flavonoids show interesting characteristics such as greater stability and improved oral bioavailability. This work is focused on the reconstruction of the entire biosynthetic pathway of the methylated flavones diosmetin and chrysoeriol in Streptomyces albidoflavus. A total of eight different genes (TAL, 4CL, CHS, CHI, FNS1, F3'H/CPR, 3'-OMT, 4'-OMT) are necessary for the heterologous biosynthesis of these two flavonoids, and all of them have been integrated along the chromosome of the bacterial host. The biosynthesis of diosmetin and chrysoeriol has been achieved, reaching titers of 2.44 mg/L and 2.34 mg/L, respectively. Furthermore, an additional compound, putatively identified as luteolin 3',4'-dimethyl ether, was produced in both diosmetin and chrysoeriol-producing strains. With the purpose of increasing flavonoid titers, a 3-Deoxy-D-arabino-heptulosonic acid 7-phosphate synthase (DAHP synthase) from an antibiotic biosynthetic gene cluster (BGC) from Amycolatopsis balhimycina was heterologously expressed in S. albidoflavus, enhancing diosmetin and chrysoeriol production titers of 4.03 mg/L and 3.13 mg/L, which is an increase of 65% and 34%, respectively. To the best of our knowledge, this is the first report on the de novo biosynthesis of diosmetin and chrysoeriol in a heterologous host.
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Affiliation(s)
- Álvaro Pérez-Valero
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, 33006 Oviedo, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias), 33006 Oviedo, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), 33011 Oviedo, Spain
| | - Juan Serna-Diestro
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, 33006 Oviedo, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias), 33006 Oviedo, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), 33011 Oviedo, Spain
| | - Claudio J Villar
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, 33006 Oviedo, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias), 33006 Oviedo, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), 33011 Oviedo, Spain
| | - Felipe Lombó
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, 33006 Oviedo, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias), 33006 Oviedo, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), 33011 Oviedo, Spain
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3
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Liu J, Zhao Y, Zhang J, Kong Y, Liu P, Fang Y, Cui M, Pei T, Zhong X, Xu P, Qiu W, Yang D, Martin C, Zhao Q. Production of species-specific anthocyanins through an inducible system in plant hairy roots. Metab Eng 2024; 81:182-196. [PMID: 38103887 DOI: 10.1016/j.ymben.2023.12.005] [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: 08/07/2023] [Revised: 11/28/2023] [Accepted: 12/10/2023] [Indexed: 12/19/2023]
Abstract
Anthocyanins are widely distributed pigments in flowering plants with red, purple or blue colours. Their properties in promoting heath make anthocyanins perfect natural colourants for food additives. However, anthocyanins with strong colour and stability at neutral pH, suitable as food colourants are relatively rare in nature. Acylation increases anthocyanin stability and confers bluer colour. In this study, we isolated two anthocyanin regulators SbMyb75 and SbDel from S. baicalensis, and showed that constitutive expression of the two TFs led to accumulation of anthocyanins at high levels in black carrot hairy roots. However, these hairy roots had severe growth problems. We then developed a β-estradiol inducible system using XVE and a Lex-35S promoter, to initiate expression of the anthocyanin regulators and induced this system in hairy roots of black carrot, tobacco and morning glory. Anthocyanins with various decorations were produced in these hairy roots without any accompanying side-effects on growth. We further produced highly acylated anthocyanins with blue colour in a 5 L liquid culture in a bioreactor of hairy roots from morning glory. We provide here a strategy to produce highly decorated anthocyanins without the need for additional engineering of any of the genes encoding decorating enzymes. This strategy could be transferred to other species, with considerable potential for natural colourant production for the food industries.
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Affiliation(s)
- Jie Liu
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China
| | - Yuanxiu Zhao
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China; State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jingmeng Zhang
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China; State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yu Kong
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China
| | - Pan Liu
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China
| | - Yumin Fang
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China
| | - Mengying Cui
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China
| | - Tianlin Pei
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China; State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Xin Zhong
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China
| | - Ping Xu
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China; State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Wenqing Qiu
- Department of General Surgery, Shanghai Xuhui Central Hospital, Shanghai, 200031, China; Zhongshan-Xuhui Hospital, Fudan University, Shanghai, 200433, China
| | - Dongfeng Yang
- Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Cathie Martin
- Department of Metabolic Biology, John Innes Centre, Norwich, NR4 7UH, UK
| | - Qing Zhao
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China; State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China.
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Pérez-Valero Á, Ye S, Magadán-Corpas P, Villar CJ, Lombó F. Metabolic engineering in Streptomyces albidoflavus for the biosynthesis of the methylated flavonoids sakuranetin, acacetin, and genkwanin. Microb Cell Fact 2023; 22:234. [PMID: 37964284 PMCID: PMC10648386 DOI: 10.1186/s12934-023-02247-3] [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: 07/24/2023] [Accepted: 11/09/2023] [Indexed: 11/16/2023] Open
Abstract
Flavonoids are important plant secondary metabolites showing antioxidant, antitumor, anti-inflammatory, and antiviral activities, among others. Methylated flavonoids are particularly interesting compared to non-methylated ones due to their greater stability and intestinal absorption, which improves their oral bioavailability. In this work we have stablished a metabolic engineered strain of Streptomyces albidoflavus with enhanced capabilities for flavonoid production, achieving a 1.6-fold increase in the biosynthesis of naringenin with respect to the parental strain. This improved strain, S. albidoflavus UO-FLAV-004, has been used for the heterologous biosynthesis of the methylated flavonoids sakuranetin, acacetin and genkwanin. The achieved titers of sakuranetin and acacetin were 8.2 mg/L and 5.8 mg/L, respectively. The genkwanin titers were 0.8 mg/L, with a bottleneck identified in this producing strain. After applying a co-culture strategy, genkwanin production titers reached 3.5 mg/L, which represents a 4.4-fold increase. To our knowledge, this study presents the first biosynthesis of methylated flavonoids in not only any Streptomyces species, but also in any Gram-positive bacteria.
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Affiliation(s)
- Álvaro Pérez-Valero
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias), Oviedo, Principality of Asturias, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Oviedo, Principality of Asturias, Spain
| | - Suhui Ye
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias), Oviedo, Principality of Asturias, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Oviedo, Principality of Asturias, Spain
| | - Patricia Magadán-Corpas
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias), Oviedo, Principality of Asturias, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Oviedo, Principality of Asturias, Spain
| | - Claudio J Villar
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias), Oviedo, Principality of Asturias, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Oviedo, Principality of Asturias, Spain
| | - Felipe Lombó
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain.
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias), Oviedo, Principality of Asturias, Spain.
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Oviedo, Principality of Asturias, Spain.
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Zagoskina NV, Zubova MY, Nechaeva TL, Kazantseva VV, Goncharuk EA, Katanskaya VM, Baranova EN, Aksenova MA. Polyphenols in Plants: Structure, Biosynthesis, Abiotic Stress Regulation, and Practical Applications (Review). Int J Mol Sci 2023; 24:13874. [PMID: 37762177 PMCID: PMC10531498 DOI: 10.3390/ijms241813874] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Phenolic compounds or polyphenols are among the most common compounds of secondary metabolism in plants. Their biosynthesis is characteristic of all plant cells and is carried out with the participation of the shikimate and acetate-malonate pathways. In this case, polyphenols of various structures are formed, such as phenylpropanoids, flavonoids, and various oligomeric and polymeric compounds of phenolic nature. Their number already exceeds 10,000. The diversity of phenolics affects their biological activity and functional role. Most of their representatives are characterized by interaction with reactive oxygen species, which manifests itself not only in plants but also in the human body, where they enter through food chains. Having a high biological activity, phenolic compounds are successfully used as medicines and nutritional supplements for the health of the population. The accumulation and biosynthesis of polyphenols in plants depend on many factors, including physiological-biochemical, molecular-genetic, and environmental factors. In the review, we present the latest literature data on the structure of various classes of phenolic compounds, their antioxidant activity, and their biosynthesis, including their molecular genetic aspects (genes and transfactors). Since plants grow with significant environmental changes on the planet, their response to the action of abiotic factors (light, UV radiation, temperature, and heavy metals) at the level of accumulation and composition of these secondary metabolites, as well as their metabolic regulation, is considered. Information is given about plant polyphenols as important and necessary components of functional nutrition and pharmaceutically valuable substances for the health of the population. Proposals on promising areas of research and development in the field of plant polyphenols are presented.
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Affiliation(s)
- Natalia V. Zagoskina
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (M.Y.Z.); (T.L.N.); k.v.- (V.V.K.); (E.A.G.); (V.M.K.); (M.A.A.)
| | - Maria Y. Zubova
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (M.Y.Z.); (T.L.N.); k.v.- (V.V.K.); (E.A.G.); (V.M.K.); (M.A.A.)
| | - Tatiana L. Nechaeva
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (M.Y.Z.); (T.L.N.); k.v.- (V.V.K.); (E.A.G.); (V.M.K.); (M.A.A.)
| | - Varvara V. Kazantseva
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (M.Y.Z.); (T.L.N.); k.v.- (V.V.K.); (E.A.G.); (V.M.K.); (M.A.A.)
| | - Evgenia A. Goncharuk
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (M.Y.Z.); (T.L.N.); k.v.- (V.V.K.); (E.A.G.); (V.M.K.); (M.A.A.)
| | - Vera M. Katanskaya
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (M.Y.Z.); (T.L.N.); k.v.- (V.V.K.); (E.A.G.); (V.M.K.); (M.A.A.)
| | - Ekaterina N. Baranova
- N.V. Tsitsin Main Botanical Garden of Russian Academy of Sciences, 127276 Moscow, Russia;
- All Russia Research Institute of Agricultural Biotechnology, Russian Academy of Agricultural Sciences, 127550 Moscow, Russia
| | - Maria A. Aksenova
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (M.Y.Z.); (T.L.N.); k.v.- (V.V.K.); (E.A.G.); (V.M.K.); (M.A.A.)
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6
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Tartik M, Liu J, Mohedano MT, Mao J, Chen Y. Optimizing yeast for high-level production of kaempferol and quercetin. Microb Cell Fact 2023; 22:74. [PMID: 37076829 PMCID: PMC10116799 DOI: 10.1186/s12934-023-02084-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 04/09/2023] [Indexed: 04/21/2023] Open
Abstract
BACKGROUND Two important flavonoids, kaempferol and quercetin possess remarkably potent biological impacts on human health. However, their structural complexity and low abundance in nature make both bulk chemical synthesis and extraction from native plants difficult. Therefore microbial production via heterologous expression of plant enzymes can be a safe and sustainable route for their production. Despite several attempts reported in microbial hosts, the production levels of kaempferol and quercetin still stay far behind compared to many other microbial-produced flavonoids. RESULTS In this study, Saccharomyces cerevisiae was engineered for high production of kaempferol and quercetin in minimal media from glucose. First, the kaempferol biosynthetic pathway was reconstructed via screening various F3H and FLS enzymes. In addition, we demonstrated that amplification of the rate-limiting enzyme AtFLS could reduce the dihydrokaempferol accumulation and improve kaempferol production. Increasing the availability of precursor malonyl-CoA further improved the production of kaempferol and quercetin. Furthermore, the highest amount of 956 mg L- 1 of kaempferol and 930 mg L- 1 of quercetin in yeast was reached in fed-batch fermentations. CONCLUSIONS De novo biosynthesis of kaempferol and quercetin in yeast was improved through increasing the upstream naringenin biosynthesis and debugging the flux-limiting enzymes together with fed-batch fermentations, up to gram per liter level. Our work provides a promising platform for sustainable and scalable production of kaempferol, quercetin and compounds derived thereof.
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Affiliation(s)
- Musa Tartik
- Department of Molecular Biology and Genetics, Faculty of Arts and Sciences, Bingol University, Bingol, 12000, Turkey
- Department of Life Sciences, Chalmers University of Technology, Kemivägen 10, Gothenburg, SE-412 96, Sweden
| | - Juan Liu
- Department of Life Sciences, Chalmers University of Technology, Kemivägen 10, Gothenburg, SE-412 96, Sweden
| | - Marta Tous Mohedano
- Department of Life Sciences, Chalmers University of Technology, Kemivägen 10, Gothenburg, SE-412 96, Sweden
| | - Jiwei Mao
- Department of Life Sciences, Chalmers University of Technology, Kemivägen 10, Gothenburg, SE-412 96, Sweden
| | - Yun Chen
- Department of Life Sciences, Chalmers University of Technology, Kemivägen 10, Gothenburg, SE-412 96, Sweden.
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7
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Al-Naqeb G, Cafarella C, Aprea E, Ferrentino G, Gasparini A, Buzzanca C, Micalizzi G, Dugo P, Mondello L, Rigano F. Supercritical Fluid Extraction of Oils from Cactus Opuntia ficus-indica L. and Opuntia dillenii Seeds. Foods 2023; 12:foods12030618. [PMID: 36766148 PMCID: PMC9914625 DOI: 10.3390/foods12030618] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/28/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
This study aimed to assess the capability of supercritical fluid extraction (SFE) as an alternative and green technique compared to Soxhlet extraction for the production of oils from Opuntia ficus-indica (OFI) seeds originating from Yemen and Italy and Opuntia dillenii (OD) seeds from Yemen. The following parameters were used for SFE extraction: a pressure of 300 bar, a CO2 flow rate of 1 L/h, and temperatures of 40 and 60 °C. The chemical composition, including the fatty acids and tocopherols (vitamin E) of the oils, was determined using chromatographic methods. The highest yield was achieved with Soxhlet extraction. The oils obtained with the different extraction procedures were all characterized by a high level of unsaturated fatty acids. Linoleic acid (≤62% in all samples) was the most abundant one, followed by oleic and vaccenic acid. Thirty triacylglycerols (TAGs) were identified in both OFI and OD seed oils, with trilinolein being the most abundant (29-35%). Vanillin, 4-hydroxybenzaldehyde, vanillic acid, and hydroxytyrosol were phenols detected in both OFI and OD oils. The highest γ-tocopherol content (177 ± 0.23 mg/100 g) was obtained through the SFE of OFI seeds from Yemen. Overall, the results highlighted the potential of SFE as green technology to obtain oils suitable for functional food and nutraceutical products.
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Affiliation(s)
- Ghanya Al-Naqeb
- Center Agriculture Food Environment (C3A), University of Trento, 38098 Trento, Italy
- Department of Food Sciences and Nutrition, Faculty of Agriculture Food and Environment, University of Sana’a, Sana’a P.O. Box 1247, Yemen
- Correspondence: (G.A.-N.); (G.F.)
| | - Cinzia Cafarella
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Eugenio Aprea
- Center Agriculture Food Environment (C3A), University of Trento, 38098 Trento, Italy
| | - Giovanna Ferrentino
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Piazza Università 5, 39100 Bolzano, Italy
- Correspondence: (G.A.-N.); (G.F.)
| | - Alessandra Gasparini
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Piazza Università 5, 39100 Bolzano, Italy
| | - Chiara Buzzanca
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Giuseppe Micalizzi
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Paola Dugo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
- Chromaleont s.r.l., c/o, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
- Chromaleont s.r.l., c/o, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
- Unit of Food Science and Nutrition, Department of Medicine, University Campus Bio-Medico of Rome, 00128 Rome, Italy
| | - Francesca Rigano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
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8
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Tabolacci C, De Vita D, Facchiano A, Bozzuto G, Beninati S, Failla CM, Di Martile M, Lintas C, Mischiati C, Stringaro A, Del Bufalo D, Facchiano F. Phytochemicals as Immunomodulatory Agents in Melanoma. Int J Mol Sci 2023; 24:2657. [PMID: 36768978 PMCID: PMC9916941 DOI: 10.3390/ijms24032657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/23/2023] [Accepted: 01/26/2023] [Indexed: 02/01/2023] Open
Abstract
Cutaneous melanoma is an immunogenic highly heterogenic tumor characterized by poor outcomes when it is diagnosed late. Therefore, immunotherapy in combination with other anti-proliferative approaches is among the most effective weapons to control its growth and metastatic dissemination. Recently, a large amount of published reports indicate the interest of researchers and clinicians about plant secondary metabolites as potentially useful therapeutic tools due to their lower presence of side effects coupled with their high potency and efficacy. Published evidence was reported in most cases through in vitro studies but also, with a growing body of evidence, through in vivo investigations. Our aim was, therefore, to review the published studies focused on the most interesting phytochemicals whose immunomodulatory activities and/or mechanisms of actions were demonstrated and applied to melanoma models.
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Affiliation(s)
- Claudio Tabolacci
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy
| | - Daniela De Vita
- Department of Environmental Biology, University of Rome La Sapienza, 00185 Rome, Italy
| | | | - Giuseppina Bozzuto
- National Center for Drug Research and Evaluation, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Simone Beninati
- Department of Biology, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | | | - Marta Di Martile
- Preclinical Models and New Therapeutic Agents Unit, Department of Research and Advanced Technologies, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy
| | - Carla Lintas
- Research Unit of Medical Genetics, Department of Medicine, Università Campus Bio-Medico, 00128 Rome, Italy
- Operative Research Unit of Medical Genetics, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
| | - Carlo Mischiati
- Department of Neuroscience and Rehabilitation, School of Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Annarita Stringaro
- National Center for Drug Research and Evaluation, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Donatella Del Bufalo
- Preclinical Models and New Therapeutic Agents Unit, Department of Research and Advanced Technologies, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy
| | - Francesco Facchiano
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy
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9
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Tariq H, Asif S, Andleeb A, Hano C, Abbasi BH. Flavonoid Production: Current Trends in Plant Metabolic Engineering and De Novo Microbial Production. Metabolites 2023; 13:124. [PMID: 36677049 PMCID: PMC9864322 DOI: 10.3390/metabo13010124] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/23/2022] [Accepted: 01/10/2023] [Indexed: 01/14/2023] Open
Abstract
Flavonoids are secondary metabolites that represent a heterogeneous family of plant polyphenolic compounds. Recent research has determined that the health benefits of fruits and vegetables, as well as the therapeutic potential of medicinal plants, are based on the presence of various bioactive natural products, including a high proportion of flavonoids. With current trends in plant metabolite research, flavonoids have become the center of attention due to their significant bioactivity associated with anti-cancer, antioxidant, anti-inflammatory, and anti-microbial activities. However, the use of traditional approaches, widely associated with the production of flavonoids, including plant extraction and chemical synthesis, has not been able to establish a scalable route for large-scale production on an industrial level. The renovation of biosynthetic pathways in plants and industrially significant microbes using advanced genetic engineering tools offers substantial promise for the exploration and scalable production of flavonoids. Recently, the co-culture engineering approach has emerged to prevail over the constraints and limitations of the conventional monoculture approach by harnessing the power of two or more strains of engineered microbes to reconstruct the target biosynthetic pathway. In this review, current perspectives on the biosynthesis and metabolic engineering of flavonoids in plants have been summarized. Special emphasis is placed on the most recent developments in the microbial production of major classes of flavonoids. Finally, we describe the recent achievements in genetic engineering for the combinatorial biosynthesis of flavonoids by reconstructing synthesis pathways in microorganisms via a co-culture strategy to obtain high amounts of specific bioactive compounds.
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Affiliation(s)
- Hasnat Tariq
- Department of Biotechnology, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Saaim Asif
- Department of Biosciences, COMSATS University, Islamabad 45550, Pakistan
| | - Anisa Andleeb
- Department of Biotechnology, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Christophe Hano
- Laboratoire de Biologie des Ligneux et des Grandes Cultures (LBLGC), INRAE USC1328, Eure et Loir Campus, Université d’Orléans, 28000 Chartres, France
| | - Bilal Haider Abbasi
- Department of Biotechnology, Quaid-i-Azam University, Islamabad 45320, Pakistan
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10
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Perez Rojo F, Pillow JJ, Kaur P. Bioprospecting microbes and enzymes for the production of pterocarpans and coumestans. Front Bioeng Biotechnol 2023; 11:1154779. [PMID: 37187887 PMCID: PMC10175578 DOI: 10.3389/fbioe.2023.1154779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/18/2023] [Indexed: 05/17/2023] Open
Abstract
The isoflavonoid derivatives, pterocarpans and coumestans, are explored for multiple clinical applications as osteo-regenerative, neuroprotective and anti-cancer agents. The use of plant-based systems to produce isoflavonoid derivatives is limited due to cost, scalability, and sustainability constraints. Microbial cell factories overcome these limitations in which model organisms such as Saccharomyces cerevisiae offer an efficient platform to produce isoflavonoids. Bioprospecting microbes and enzymes can provide an array of tools to enhance the production of these molecules. Other microbes that naturally produce isoflavonoids present a novel alternative as production chassis and as a source of novel enzymes. Enzyme bioprospecting allows the complete identification of the pterocarpans and coumestans biosynthetic pathway, and the selection of the best enzymes based on activity and docking parameters. These enzymes consolidate an improved biosynthetic pathway for microbial-based production systems. In this review, we report the state-of-the-art for the production of key pterocarpans and coumestans, describing the enzymes already identified and the current gaps. We report available databases and tools for microbial bioprospecting to select the best production chassis. We propose the use of a holistic and multidisciplinary bioprospecting approach as the first step to identify the biosynthetic gaps, select the best microbial chassis, and increase productivity. We propose the use of microalgal species as microbial cell factories to produce pterocarpans and coumestans. The application of bioprospecting tools provides an exciting field to produce plant compounds such as isoflavonoid derivatives, efficiently and sustainably.
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Affiliation(s)
- Fernando Perez Rojo
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, WA, Australia
- *Correspondence: Fernando Perez Rojo, ; Parwinder Kaur,
| | - J. Jane Pillow
- UWA School of Human Sciences, The University of Western Australia, Perth, WA, Australia
| | - Parwinder Kaur
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, WA, Australia
- *Correspondence: Fernando Perez Rojo, ; Parwinder Kaur,
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11
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Colonges K, Seguine E, Saltos A, Davrieux F, Minier J, Jimenez JC, Lahon MC, Calderon D, Subia C, Sotomayor I, Fernández F, Fouet O, Rhoné B, Argout X, Lebrun M, Costet P, Lanaud C, Boulanger R, Loor Solorzano RG. Diversity and determinants of bitterness, astringency, and fat content in cultivated Nacional and native Amazonian cocoa accessions from Ecuador. THE PLANT GENOME 2022; 15:e20218. [PMID: 36065790 DOI: 10.1002/tpg2.20218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 03/28/2022] [Indexed: 06/15/2023]
Abstract
Cocoa (Theobroma cacao L.) is the only tree that can produce cocoa. Cocoa beans are highly sought after by chocolate makers to produce chocolate. Cocoa can be fine aromatic, characterized by floral and fruity notes, or it can be described as standard cocoa with a more pronounced cocoa aroma and bitterness. In this study, the genetic and biochemical determinants of sensorial notes and nonvolatile compounds related to bitterness, astringency, fat content, and protein content will be investigated in two populations: a cultivated modern Nacional population and a population of cocoa accessions collected recently in the Ecuadorian South Amazonia area of origin of the Nacional ancestral variety. For this purpose, a genome-wide association study (GWAS) was carried out on both populations, with results of biochemical compounds evaluated by near-infrared spectroscopy (NIRS) assays and with sensory evaluations. Twenty areas of associations were detected for sensorial data especially bitterness and astringency. Fifty-three areas of associations were detected linked to nonvolatile compounds. A total of 81 candidate genes could be identified in the areas of the association.
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Affiliation(s)
- Kelly Colonges
- CIRAD, UMR AGAP Institut, Montpellier, F-34398, France
- AGAP Institut, Univ. Montpellier, CIRAD, INRAE, Institut Agro, Montpellier, France
- CIRAD, UMR Qualisud, Montpellier, F-34398, France
- Qualisud, Univ. Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
| | - Edward Seguine
- Seguine Cacao/Guittard Chocolate Co, Arroyo Grande, CA, USA
| | - Alejandra Saltos
- Instituto Nacional de Investigacion Agropecurias, INIAP, Quito, Ecuador
| | - Fabrice Davrieux
- Qualisud, Univ. Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
- Cirad, UMR Qualisud, Réunion, F-97400, France
| | - Jérôme Minier
- Qualisud, Univ. Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
- Cirad, UMR Qualisud, Réunion, F-97400, France
| | | | - Marie-Christine Lahon
- CIRAD, UMR Qualisud, Montpellier, F-34398, France
- Qualisud, Univ. Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
| | - Darío Calderon
- Instituto Nacional de Investigacion Agropecurias, INIAP, Quito, Ecuador
| | - Cristian Subia
- Instituto Nacional de Investigacion Agropecurias, INIAP, Quito, Ecuador
| | - Ignacio Sotomayor
- Instituto Nacional de Investigacion Agropecurias, INIAP, Quito, Ecuador
| | - Fabián Fernández
- Instituto Nacional de Investigacion Agropecurias, INIAP, Quito, Ecuador
| | - Olivier Fouet
- CIRAD, UMR AGAP Institut, Montpellier, F-34398, France
- AGAP Institut, Univ. Montpellier, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Bénédicte Rhoné
- CIRAD, UMR AGAP Institut, Montpellier, F-34398, France
- AGAP Institut, Univ. Montpellier, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Xavier Argout
- CIRAD, UMR AGAP Institut, Montpellier, F-34398, France
- AGAP Institut, Univ. Montpellier, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Marc Lebrun
- CIRAD, UMR Qualisud, Montpellier, F-34398, France
- Qualisud, Univ. Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
| | | | - Claire Lanaud
- CIRAD, UMR AGAP Institut, Montpellier, F-34398, France
- AGAP Institut, Univ. Montpellier, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Renaud Boulanger
- CIRAD, UMR Qualisud, Montpellier, F-34398, France
- Qualisud, Univ. Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
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12
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Jiang T, Li C, Zou Y, Zhang J, Gan Q, Yan Y. Establishing an Autonomous Cascaded Artificial Dynamic (AutoCAD) regulation system for improved pathway performance. Metab Eng 2022; 74:1-10. [PMID: 36041638 PMCID: PMC10947494 DOI: 10.1016/j.ymben.2022.08.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/21/2022] [Accepted: 08/23/2022] [Indexed: 11/17/2022]
Abstract
Endogenous metabolic pathways in microbial cells are usually precisely controlled by sophisticated regulation networks. However, the lack of such regulations when introducing heterologous pathways in microbial hosts often causes unbalanced enzyme expression and carbon flux distribution, hindering the construction of highly efficient microbial biosynthesis systems. Here, using naringenin as the target compound, we developed an Autonomous Cascaded Artificial Dynamic (AutoCAD) regulation system to automatically coordinate the pathway expression and redirect carbon fluxes for enhanced naringenin production. The AutoCAD regulation system, consisting of both intermediate-based feedforward and product-based feedback control genetic circuits, resulted in a 16.5-fold increase in naringenin titer compared with the static control. Fed-batch fermentation using the strain with AutoCAD regulation further enhanced the naringenin titer to 277.2 mg/L. The AutoCAD regulation system, with intermediate-based feedforward control and product-triggered feedback control, provides a new paradigm of developing complicated cascade dynamic control to engineer heterologous pathways.
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Affiliation(s)
- Tian Jiang
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA, 30602, USA
| | - Chenyi Li
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA, 30602, USA
| | - Yusong Zou
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA, 30602, USA
| | - Jianli Zhang
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA, 30602, USA
| | - Qi Gan
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA, 30602, USA
| | - Yajun Yan
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA, 30602, USA.
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13
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Marchant MJ, Molina P, Montecinos M, Guzmán L, Balada C, Castro M. Effects of LED Light Spectra on the Development, Phytochemical Profile, and Antioxidant Activity of Curcuma longa from Easter Island. PLANTS (BASEL, SWITZERLAND) 2022; 11:2701. [PMID: 36297725 PMCID: PMC9608076 DOI: 10.3390/plants11202701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/05/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Curcuma longa (C. longa), an herbaceous plant used for medicinal purposes by the indigenous people of Easter Island, has been overexploited in its natural habitat, leading to its conservation status being designated as a vulnerable species. We have recently reported on the use of light-emitting diodes (LEDs) to improve the productivity of C. longa in vitro cultures under a temporary immersion system (TIS), but the effects of light quality on plant growth, phytochemical composition, and antioxidant capacity remained unexplored. Here, we set out to study these three aspects as observed at the end of TIS culture (day 0) and after 30 days of greenhouse acclimation (day 30). Thus, we evaluated plant morphological characteristics, phytochemical profile (polyphenols, tannins, flavonoids, reducing sugars, and curcumin), and radical scavenging activity by DPPH, ORAC, and FRAP assays. The results showed that, during in vitro cultivation under TIS, the red:blue (RB) LED light spectrum promoted C. longa shoot proliferation, with the resulting seedlings exhibiting greater fresh weight and no signs of etiolation. In the acclimation phase, the RB spectrum increased phytochemicals, such as polyphenols, flavonoids, and reducing sugars, and boosted curcumin synthesis. Nevertheless, the antioxidant activity of the plants under the RB light spectrum did not intensify. We surmise that this may be due to the premature intraplant allocation of metabolites to alternative pathways (e.g., curcumin synthesis) under RB light.
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Affiliation(s)
- María José Marchant
- Laboratory of Biomedicine and Biocatalysis, Instituto de Química, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Avenida Universidad 330, Valparaíso 2340000, Chile
| | - Paula Molina
- Propagation Laboratory, Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, La Palma S/N, Quillota 2260000, Chile
| | - Miriam Montecinos
- Propagation Laboratory, Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, La Palma S/N, Quillota 2260000, Chile
| | - Leda Guzmán
- Laboratory of Biomedicine and Biocatalysis, Instituto de Química, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Avenida Universidad 330, Valparaíso 2340000, Chile
| | - Cristóbal Balada
- Laboratory of Biomedicine and Biocatalysis, Instituto de Química, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Avenida Universidad 330, Valparaíso 2340000, Chile
| | - Mónica Castro
- Propagation Laboratory, Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, La Palma S/N, Quillota 2260000, Chile
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14
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Roy S, Sarkar T, Chakraborty R. Vegetable seeds: A new perspective in future food development. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.17118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Sarita Roy
- Department of Food Technology and Biochemical Engineering Jadavpur University Kolkata India
| | - Tanmay Sarkar
- Malda Polytechnic West Bengal State Council of Technical Education, Govt. of West Bengal Malda India
| | - Runu Chakraborty
- Department of Food Technology and Biochemical Engineering Jadavpur University Kolkata India
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15
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Lee NJ, Kwon Y, Kang W, Seo M, Seol Y, Park JW. Enzymatic synthesis of novel unnatural phenoxodiol glycosides with a glycosyl donor flexible glycosyltransferase MeUGT1. Enzyme Microb Technol 2022; 161:110113. [PMID: 35998478 DOI: 10.1016/j.enzmictec.2022.110113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/11/2022] [Accepted: 08/13/2022] [Indexed: 11/25/2022]
Abstract
Isoflavonoids are of great interest due to their human health-promoting properties, which have resulted in studies on exploiting these phytochemicals as hotspots in diverse bio -industries. Biocatalytic glycosylation of isoflavonoid aglycones to glycosides has attracted marked interests because it enable the biosynthesis of isoflavonoid glycosides with high selectivity under mild conditions, and also provide an environmentally friendly option for the chemical synthesis. Thus, these inspired us to exploit new flexible and effective glycosyltransferases from microbes for making glycosides attractive compounds that are in high demand in several industries. Most recently, we have reported the functional characterization of a bacterial-origin recombinant glycosyltransferase (MeUGT1). Herein, more detailed kinetic characteristics of this biocatalyst, using a number of glycosyl donor substrates, were examined for further investigation of its biocatalytic applicability, enabling it feasible to biosynthesize new glycosides; phenoxodiol-4'-O-α-glucuronide, phenoxodiol-4'-O-α-(2''-N-acetyl)glucosaminide, phenoxodiol-4'-O-α-galactoside, phenoxodiol-4'-O-α-(2''-N-acetyl)galactosaminide and phenoxodiol-4'-O-α-(2''-deoxy)glucoside. The thorough kinetic analyses revealed that while the recombinant enzyme can utilize, albeit with different substrate preference and catalytic efficiency, a total five different nucleotide sugars as glycosyl donors, exhibiting its promiscuity towards glycosyl donors. This is the first report that a recombinant glycosyltransferase MeUGT1 that can regio-specifically glycosylate C4'-hydroxyl function of semi-synthetic phenoxodiol isoflavene to biosynthesize a series of unnatural phenoxodiol-4'-O-α-glycosides.
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Affiliation(s)
- Na Joon Lee
- Department of Integrated Biomedical and Life Sciences, Korea University, Seoul 02841, South Korea
| | - Younghae Kwon
- Transdisciplinary Major in Learning Health Systems, Department of Integrated Biomedical and Life Sciences, Korea University, Seoul 02841, South Korea
| | - Woongshin Kang
- Transdisciplinary Major in Learning Health Systems, Department of Integrated Biomedical and Life Sciences, Korea University, Seoul 02841, South Korea
| | - Minsuk Seo
- Transdisciplinary Major in Learning Health Systems, Department of Integrated Biomedical and Life Sciences, Korea University, Seoul 02841, South Korea
| | - Yurin Seol
- Transdisciplinary Major in Learning Health Systems, Department of Integrated Biomedical and Life Sciences, Korea University, Seoul 02841, South Korea
| | - Je Won Park
- Department of Integrated Biomedical and Life Sciences, Korea University, Seoul 02841, South Korea; School of Biosystems and Biomedical Sciences, Korea University, Seoul 02841, South Korea.
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16
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Determining the Effects of Light on the Fruit Peel Quality of Photosensitive and Nonphotosensitive Eggplant. PLANTS 2022; 11:plants11162095. [PMID: 36015399 PMCID: PMC9416183 DOI: 10.3390/plants11162095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 11/17/2022]
Abstract
With the development of facility agriculture, low-light stress is a prominent problem and a popular research topic currently. In this study, transcriptome analysis was used to analyze the genes in the fruit peel of photosensitive and nonphotosensitive eggplant and to explore the mechanism of changes in fruit color, texture, hormone content, aroma, and taste of these two different types of eggplant. We identified 51, 65, 66, and 66 genes involved in synthesizing anthocyanins, texture, hormone content, and aroma and flavor, respectively, in the two different types of eggplant based on the variation in gene expression trends in the fruit peel. These results provide a basis for further analysis of the molecular mechanism underlying the regulatory processes in eggplant fruits under low-light stress.
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17
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Majumder A, Kanti Mondal S, Mukhoty S, Bag S, Mondal A, Begum Y, Sharma K, Banik A. Virtual screening and docking analysis of novel ligands for selective enhancement of tea ( Camellia sinensis) flavonoids. Food Chem X 2022; 13:100212. [PMID: 35498963 PMCID: PMC9039891 DOI: 10.1016/j.fochx.2022.100212] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 12/15/2021] [Accepted: 01/13/2022] [Indexed: 12/12/2022] Open
Abstract
Tea-specific flavonoid biosynthetic pathway (FBP) was retrieved from KEGG. Putative ligands were predicted to enhance enzymes-substrate binding affinity. FBP genes showed moderately higher expression & relatively strong codon adaptation. Most of the genes were AT-rich and biased to A/U-ending synonymous codons. Mutational selection was determining the selective constraints on codon bias.
Flavour of tea is mainly contributed by a group of polyphenols – flavonoids. However, the content of flavonoid fluctuates seasonally and is found to be higher in the first flush of tea, when compared to the second flush. This disparity in the flavonoid content, and hence taste, incurs heavy economic losses to the tea plantation industry each harvest season. For our present study, four key product-specific enzymes (PAL, FNS, FLS and ANS) of the tea-specific flavonoid pathway were selected to perform molecular docking studies with specific virtually screened allosteric modulators. Results of docking analyses showed Naringenin, 2-Morpholin-4-ium-4-ylethanesulfonate, 6-C-Glucosylquercetin, 2-Oxoglutaric acid, 3,5,7,3′,4′-pentahydroxyflavone to be capable of improving the spontaneity of the enzyme-substrate reactions in terms of docking score, RMSD values, and non-covalent interactions (H-bond,hydrophobic interaction, Π-stacking, salt bridge, etc.). Further, the evolutionary relationship of tea flavonoid pathway enzymes was constructed and compared with related taxa. The codon usage-based of tea flavonoid biosynthetic genes indicated the non-biasness of their nucleotide composition. Overall this study will provide a direction towards putative ligand-dependent enhancement of flavonoid content, irrespective of seasonal variation.
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Key Words
- 4CL, Tyrosine ammonia lyase
- AMF, Arbuscular Mycorrhizal Fungi
- ANR, anthocyanidin reductase
- ANS, anthocyanidinsynthase
- C4H, trans-cinnamate-4-
- CAI, Codon Adaptation Index
- CHI, chalcone isomerase
- CHS, 4-coumarat
- CoA, ligase chalcone synthase
- Codon usage indices
- DFR, dihydroflavonol 4-reductase
- ENc, Effective number of codons
- F3H, flavanone 3-hydroxylase
- F3′5′H, flavonoid 3′5′-hydroxylase
- F3′H, flavonoid 3′-hydroxylase
- FLS, Flavonol synthase
- FNS, flavone synthase
- Flavonoids
- GC1, GC2, and GC3-GC, content at the first, second, and third codon positions
- GC3s, frequency of either G or C at the third codon position of synonymous codons
- H 0, null hypothesisno selection
- IAA, Indole acetic acid
- LAR, leucoanthocyanidin reductase
- Ligands
- Molecular docking
- PAL, phenylalanine ammonia-lyase
- RMSD, root-mean-square deviation
- RSCU, Relative Synonymous Codon Usage
- TAL, monooxygenase
- Tea flush
- UGT72, UDP-3 glycosyltransferases
- Virtual screening
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Affiliation(s)
- Anusha Majumder
- Laboratory of Microbial Interaction, School of Biotechnology, Presidency University, Kolkata, West Bengal, India
| | - Sunil Kanti Mondal
- Department of Biotechnology, The University of Burdwan, Burdwan, West Bengal, India
| | - Samyabrata Mukhoty
- Department of Biotechnology, The University of Burdwan, Burdwan, West Bengal, India
| | - Sagar Bag
- Laboratory of Microbial Interaction, School of Biotechnology, Presidency University, Kolkata, West Bengal, India
| | - Anupam Mondal
- Laboratory of Microbial Interaction, School of Biotechnology, Presidency University, Kolkata, West Bengal, India
| | - Yasmin Begum
- Department of Biophysics, Molecular Biology, and Bioinformatics, University of Calcutta, 92, APC Road, Kolkata 700009, West Bengal, India.,Center of Excellence in Systems Biology and Biomedical Engineering (TEQIP Phase-III), University of Calcutta, JD-2, Sector III, Salt Lake, Kolkata 700106, West Bengal, India
| | - Kalpna Sharma
- R&D Centre, Danguajhar Tea Garden, Goodricke Group Ltd., Jalpaiguri, West Bengal, India
| | - Avishek Banik
- Laboratory of Microbial Interaction, School of Biotechnology, Presidency University, Kolkata, West Bengal, India
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18
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Rasheed H, Ahmad D, Bao J. Genetic Diversity and Health Properties of Polyphenols in Potato. Antioxidants (Basel) 2022; 11:antiox11040603. [PMID: 35453288 PMCID: PMC9030900 DOI: 10.3390/antiox11040603] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/13/2022] [Accepted: 03/18/2022] [Indexed: 01/07/2023] Open
Abstract
Polyphenol is one of the most essential phytochemicals with various health benefits. Potato (Solanum tuberosum L.) is known as a potential source of polyphenols, and also has health benefits in which phenolic acids, such as chlorogenic, ferulic acid, caffeic acid, and flavonoids, such as anthocyanins, sustainably play the most significant role. Almost every polyphenol contributes to various biological activities. In this review, we collected comprehensive information concerning the diversity of polyphenols in potatoes, and the effects of post-harvest processing and different cooking methods on the bioavailability of polyphenols. To achieve maximum health benefits, the selection of potato cultivars is necessary by choosing their colors, but various cooking methods are also very important in obtaining the maximum concentration of polyphenolic compounds. The health properties including major biological activities of polyphenols, such as antioxidant activity, anticarcinogenic activity, anti-inflammatory activity, anti-obesity activity, and antidiabetic activity, have also been summarized. All these biological activities of polyphenols in potatoes might be helpful for breeders in the design of new varieties with many health benefits, and are expected to play a vital role in both pharmaceutical and nutraceutical industries.
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19
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Chintakovid N, Tisarum R, Samphumphuang T, Sotesaritkul T, Cha-Um S. Evaluation of curcuminoids, physiological adaptation, and growth of Curcuma longa under water deficit and controlled temperature. PROTOPLASMA 2022; 259:301-315. [PMID: 34023960 DOI: 10.1007/s00709-021-01670-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
Turmeric (Curcuma longa L.; Zingiberaceae), an economically important crop and a major spice in Indian cuisine, produces natural yellow color (curcumin) as well as curcuminoids which are widely utilized in traditional and modern medicinal practices. During the turmeric culture, the fluctuations of precipitation and seasonal changes in the whole life cycle play a major role, especially water shortage and decreasing temperature (in winter season), leading to rhizome dormancy under extreme weather conditions. The objective of this investigation was to understand how the water deficit and reduced temperature affect turmeric growth, physiological adaptation, quantity, and quality of turmeric rhizomes. Four-month-old turmeric plants were subjected to four treatments, namely normal temperature and well-watered (RT-WW), or water-deficit (RT-WD) conditions in the greenhouse, 25 °C controlled temperature and well-watered (CT-WW), or water-deficit (CT-WD) conditions in glasshouse. Leaf osmotic potential considerably declined in 30 days CT-WD treatment, leading to chlorophyll degradation by 26.04%, diminution of maximum quantum yield of PSII (Fv/Fm) by 23.50%, photon yield of PSII (ΦPSII) by 29.01%, and reduction of net photosynthetic rate (Pn) by 89.39% over CT-WW (control). After 30 days water withholding, fresh- and dry-weights of rhizomes of turmeric plants grown under CT-WD declined by 30-50% when compared with RT-WW conditions. Subsequently, curcuminoid content was reduced by 40% over RT-WW plants (control), whereas transcriptional expression levels of curcuminoids-related genes (CURS1, CURS2, CURS3, and DCS) were upregulated in CT-WD conditions. In summary, the water withholding and controlled temperature (constant at 25 °C day/night) negatively affected turmeric plants as abiotic stresses tend to limit overall plant growth performances and curcuminoid yield.
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Affiliation(s)
- Nutwadee Chintakovid
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Paholyothin Road, Khlong Nueng, Khlong Luang, 12120, Pathum Thani, Thailand
| | - Rujira Tisarum
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Paholyothin Road, Khlong Nueng, Khlong Luang, 12120, Pathum Thani, Thailand
| | - Thapanee Samphumphuang
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Paholyothin Road, Khlong Nueng, Khlong Luang, 12120, Pathum Thani, Thailand
| | - Thanyaporn Sotesaritkul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Paholyothin Road, Khlong Nueng, Khlong Luang, 12120, Pathum Thani, Thailand
| | - Suriyan Cha-Um
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Paholyothin Road, Khlong Nueng, Khlong Luang, 12120, Pathum Thani, Thailand.
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20
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Biosynthesis and regulation of anthocyanin pathway genes. Appl Microbiol Biotechnol 2022; 106:1783-1798. [PMID: 35171341 DOI: 10.1007/s00253-022-11835-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/07/2022] [Accepted: 02/10/2022] [Indexed: 11/02/2022]
Abstract
Anthocyanins are the phenolic compounds responsible for coloring pigments in fruits and vegetables. Anthocyanins offer a wide range of health benefits to human health. Their scope has expanded dramatically in the past decade, making anthocyanin control, influx, and outflow regulation fascinating for many researchers. The main culprit is anthocyanin stability and concentration form, which demands novel ways because these are critical in the food industry. This review aims to examine anthocyanin synthesis via triggering transcription genes that code for anthocyanin-producing enzymes. The balance between production and breakdown determines anthocyanin accumulation. Thus, increasing the anthocyanin content in food requires the stability of molecules in the vacuolar lumen, the pigment fading process, and a better understanding of the mechanism. The promising option is biosynthesis by metabolically engineered microorganisms with a lot of success. This study aims to look into and evaluate the existing literature on anthocyanin production, namely the biosynthesis of anthocyanin pathway genes, production by microbial cell factories, and the regulatory factors that can modulate the production of anthocyanins. Understanding these mechanisms will provide new biotechnological approaches.Key points• Factors affecting the regulation of anthocyanins• Focus on degradation, biosynthesis pathway genes, and alternative systems for the production of anthocyanins• Microbial cell factories can be used to produce large amounts of anthocyanins.
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21
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Li C, Jiang T, Li M, Zou Y, Yan Y. Fine-tuning gene expression for improved biosynthesis of natural products: From transcriptional to post-translational regulation. Biotechnol Adv 2022; 54:107853. [PMID: 34637919 PMCID: PMC8724446 DOI: 10.1016/j.biotechadv.2021.107853] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 10/04/2021] [Accepted: 10/05/2021] [Indexed: 02/08/2023]
Abstract
Microbial production of natural compounds has attracted extensive attention due to their high value in pharmaceutical, cosmetic, and food industries. Constructing efficient microbial cell factories for biosynthesis of natural products requires the fine-tuning of gene expressions to minimize the accumulation of toxic metabolites, reduce the competition between cell growth and product generation, as well as achieve the balance of redox or co-factors. In this review, we focus on recent advances in fine-tuning gene expression at the DNA, RNA, and protein levels to improve the microbial biosynthesis of natural products. Commonly used regulatory toolsets in each level are discussed, and perspectives for future direction in this area are provided.
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Affiliation(s)
- Chenyi Li
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA 30602, USA
| | - Tian Jiang
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA 30602, USA
| | - Michelle Li
- North Oconee High School, Bogart, GA 30622, USA
| | - Yusong Zou
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA 30602, USA
| | - Yajun Yan
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, The University of Georgia, Athens, GA 30602, USA.
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22
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Li J, Xu F, Ji D, Tian C, Sun Y, Mutanda I, Ren Y, Wang Y. Diversion of metabolic flux towards 5-deoxy(iso)flavonoid production via enzyme self-assembly in Escherichia coli. Metab Eng Commun 2021; 13:e00185. [PMID: 34631421 PMCID: PMC8488244 DOI: 10.1016/j.mec.2021.e00185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 09/16/2021] [Accepted: 09/21/2021] [Indexed: 12/24/2022] Open
Abstract
5-Deoxy(iso)flavonoids are structural representatives of phenylpropanoid-derived compounds and play critical roles in plant ecophysiology. Recently, 5-deoxy(iso)flavonoids gained significant interest due to their potential applications as pharmaceuticals, nutraceuticals, and food additives. Given the difficulties in their isolation from native plant sources, engineered biosynthesis of 5-deoxy(iso)flavonoids in a microbial host is a highly promising alternative approach. However, the production of 5-deoxy(iso)flavonoids is hindered by metabolic flux imbalances that result in a product profile predominated by non-reduced analogues. In this study, GmCHS7 (chalcone synthase from Glycine max) and GuCHR (chalcone reductase from Glycyrrhizza uralensis) were preliminarily utilized to improve the CHR ratio (CHR product to total CHS product). The use of this enzyme combination improved the final CHR ratio from 39.7% to 50.3%. For further optimization, a protein-protein interaction strategy was employed, basing on the spatial adhesion of GmCHS7:PDZ and GuCHR:PDZlig. This strategy further increased the ratio towards the CHR-derived product (54.7%), suggesting partial success of redirecting metabolic flux towards the reduced branch. To further increase the total carbon metabolic flux, 15 protein scaffolds were programmed with stoichiometric arrangement of the three sequential catalysts GmCHS7, GuCHR and MsCHI (chalcone isomerase from Medicago sativa), resulting in a 1.4-fold increase in total flavanone production, from 69.4 mg/L to 97.0 mg/L in shake flasks. The protein self-assembly strategy also improved the production and direction of the lineage-specific compounds 7,4'-dihydroxyflavone and daidzein in Escherichia coli. This study presents a significant advancement of 5-deoxy(iso)flavonoid production and provides the foundation for production of value-added 5-deoxy(iso)flavonoids in microbial hosts.
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Affiliation(s)
- Jianhua Li
- Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Fanglin Xu
- Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032, China
- He'nan Key Laboratory of Plant Stress Biology, He'nan University, Kaifeng, 475004, China
- University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Dongni Ji
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Chenfei Tian
- Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Yuwei Sun
- Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Ishmael Mutanda
- Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Yuhong Ren
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Yong Wang
- Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032, China
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23
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Marín L, Gutiérrez-Del-Río I, Villar CJ, Lombó F. De novo biosynthesis of garbanzol and fustin in Streptomyces albus based on a potential flavanone 3-hydroxylase with 2-hydroxylase side activity. Microb Biotechnol 2021; 14:2009-2024. [PMID: 34216097 PMCID: PMC8449655 DOI: 10.1111/1751-7915.13874] [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: 02/02/2021] [Revised: 06/07/2021] [Accepted: 06/10/2021] [Indexed: 11/26/2022] Open
Abstract
Flavonoids are important plant secondary metabolites, which were shown to have antioxidant, anti-inflammatory or antiviral activities. Heterologous production of flavonoids in engineered microbial cell factories is an interesting alternative to their purification from plant material representing the natural source. The use of engineered bacteria allows to produce specific compounds, independent of soil, climatic or other plant-associated production parameters. The initial objective of this study was to achieve an engineered production of two interesting flavanonols, garbanzol and fustin, using Streptomyces albus as the production host. Unexpectedly, the engineered strain produced several flavones and flavonols in the absence of the additional expression of a flavone synthase (FNS) or flavonol synthase (FLS) gene. It turned out that the heterologous flavanone 3-hydroxylase (F3H) has a 2-hydroxylase side activity, which explains the observed production of 7,4'-dihydroxyflavone, resokaempferol, kaempferol and apigenin, as well as the biosynthesis of the extremely rare 2-hydroxylated intermediates 2-hydroxyliquiritigenin, 2-hydroxynaringenin and probably licodione. Other related metabolites, such as quercetin, dihydroquercetin and eriodictyol, have also been detected in culture extracts of this recombinant strain. Hence, the enzymatic versatility of S. albus can be conveniently exploited for the heterologous production of a large diversity of plant metabolites of the flavonoid family.
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Affiliation(s)
- Laura Marín
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain.,IUOPA (Instituto Universitario de Oncología del Principado de Asturias), Oviedo, Principality of Asturias, Spain.,ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Oviedo, Principality of Asturias, Spain
| | - Ignacio Gutiérrez-Del-Río
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain.,IUOPA (Instituto Universitario de Oncología del Principado de Asturias), Oviedo, Principality of Asturias, Spain.,ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Oviedo, Principality of Asturias, Spain
| | - Claudio Jesús Villar
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain.,IUOPA (Instituto Universitario de Oncología del Principado de Asturias), Oviedo, Principality of Asturias, Spain.,ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Oviedo, Principality of Asturias, Spain
| | - Felipe Lombó
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain.,IUOPA (Instituto Universitario de Oncología del Principado de Asturias), Oviedo, Principality of Asturias, Spain.,ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Oviedo, Principality of Asturias, Spain
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24
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Liu S, Lyu Y, Yu S, Cheng J, Zhou J. Efficient Production of Orientin and Vitexin from Luteolin and Apigenin Using Coupled Catalysis of Glycosyltransferase and Sucrose Synthase. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6578-6587. [PMID: 34061537 DOI: 10.1021/acs.jafc.1c00602] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Orientin and vitexin are flavone 8-C-glycosides that exhibit many biological characteristics. This study aimed to establish a two-enzyme-coupled catalytic strategy to enhance the biosynthesis of orientin and vitexin from apigenin and luteolin, respectively. The C-glucosyltransferase (TcCGT1) gene from Trollius chinensis was cloned and expressed in Escherichia coli BL21(DE3). The optimal activity of TcCGT1 was achieved at pH 9.0 and 37 °C. TcCGT1 was relatively stable over the pH range of 7.0-10.0 at a temperature lower than 45 °C. The coupled catalytic strategy of TcCGT1 and different sucrose synthases was adopted to enhance the production of orientin and vitexin. By optimizing the coupling reaction conditions, orientin and vitexin production successfully achieved 2324.4 and 5524.1 mg/L with a yield of 91.4 and 89.3% (mol/mol), respectively. The coupled catalytic strategy proposed in this study might serve as a promising candidate for the large-scale production of orientin and vitexin in the future.
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Affiliation(s)
- Shike Liu
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Yunbin Lyu
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Shiqin Yu
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Jie Cheng
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Jingwen Zhou
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
- Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
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25
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Del Mondo A, Smerilli A, Ambrosino L, Albini A, Noonan DM, Sansone C, Brunet C. Insights into phenolic compounds from microalgae: structural variety and complex beneficial activities from health to nutraceutics. Crit Rev Biotechnol 2021; 41:155-171. [PMID: 33530761 DOI: 10.1080/07388551.2021.1874284] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Phenolic compounds (PCs) are a family of secondary metabolites with recognized biological activities making them attractive for the biomedical "red" biotechnology. The development of the eco-sustainable production of natural bioactive metabolites requires using easy cultivable organisms, such as microalgae, which represents one of the most promising sources for biotechnological applications. Microalgae are photosynthetic organisms inhabiting aquatic systems, displaying high levels of biological and functional diversities, and are well-known producers of fatty acids and carotenoids. They are also rich in other families of bioactive molecules e.g. phenolic compounds. Microalgal PCs however are less investigated than other molecular components. This study aims to provide a state-of-art picture of the actual knowledge on microalgal phenolic compounds, reviewing information on the PC content variety and chemodiversity in microalgae, their environmental modulation, and we aim to report discuss data on PC biosynthetic pathways. We report the challenges of promoting microalgae as a relevant source of natural PCs, further enhancing the interests of microalgal "biofactories" for biotechnological applications (i.e. nutraceutical, pharmacological, or cosmeceutical products).
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Affiliation(s)
- Angelo Del Mondo
- Stazione Zoologica Anton Dohrn, Istituto Nazionale di Biologia, Ecologia e Biotecnologie marine, Napoli, Italy
| | - Arianna Smerilli
- Stazione Zoologica Anton Dohrn, Istituto Nazionale di Biologia, Ecologia e Biotecnologie marine, Napoli, Italy
| | - Luca Ambrosino
- Stazione Zoologica Anton Dohrn, Istituto Nazionale di Biologia, Ecologia e Biotecnologie marine, Napoli, Italy
| | - Adriana Albini
- Laboratory of Vascular Biology and Angiogenesis, IRCCS MultiMedica, Milan, Italy
| | - Douglas M Noonan
- Laboratory of Vascular Biology and Angiogenesis, IRCCS MultiMedica, Milan, Italy.,Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Clementina Sansone
- Stazione Zoologica Anton Dohrn, Istituto Nazionale di Biologia, Ecologia e Biotecnologie marine, Napoli, Italy
| | - Christophe Brunet
- Stazione Zoologica Anton Dohrn, Istituto Nazionale di Biologia, Ecologia e Biotecnologie marine, Napoli, Italy
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26
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Pavun L, Janošević-Ležaić A, Uskoković-Marković S. Spectrophotometric determination of morin in strawberries and their antioxidant activity. ARHIV ZA FARMACIJU 2021. [DOI: 10.5937/arhfarm71-30503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Morin is one of the flavonoids with intensive antioxidant activity. With the aim to use its benefits on human health, there is an increasing trend to pay attention to its content in food or supplements. The simplicity and low cost of spectrophotometric determination based on the formation of a morin complex with Zn 2+ ion (stoichiometric ratio 1 : 1), at pH 7.98 and 392 nm, give it an advantage over other methods that can be used for morin quantification. The concentration range over which the response was linear was 0.151-4.533 mg L-1. The limit of detection (LOD) and the limit of quantification (LOQ) were 0.030 mg L-1 and 0.091 mg L-1 , respectively. The developed method was successfully applied for the determination of the morin content in strawberries. Additionally, the antioxidative abilities of strawberry extracts and morin, determined by DPPH and FRAP tests, were compared and discussed.
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27
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Liu X, Cheng J, Zhu X, Zhang G, Yang S, Guo X, Jiang H, Ma Y. De Novo Biosynthesis of Multiple Pinocembrin Derivatives in Saccharomyces cerevisiae. ACS Synth Biol 2020; 9:3042-3051. [PMID: 33107298 DOI: 10.1021/acssynbio.0c00289] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Pinocembrin derived flavones are the major bioactive compounds presented in the Lamiaceae plants that have long been of interest due to their great pharmaceutical and economical significance. Modifications on the central skeleton of the flavone moiety have a huge impact on their biological activities. However, the enzymes responsible for structure modification of most flavones are either inefficient or remain unidentified. By integrating omics analysis of Scutellaria barbata and synthetic biology tools in yeast chassis, we characterized a novel gene encoding flavone 7-O-methyltransferase (F7OMT) and discovered a new flavone 8-hydroxylase (F8H) with increased activity. We also identified a series of flavone 6-hydroxylases (F6Hs) and flavone 8-O-methyltransferases (F8OMTs) in this study. Subsequently, we constructed the biosynthetic pathway for chrysin production by assembling catalytic elements from different species and improved the titer to 10.06 mg/L. Using the established chrysin production platform, we achieved the de novo biosynthesis of baicalein, baicalin, norwogonin, wogonin, isowogonin, and moslosooflavone in yeast. Our results indicated that the combination of omics and synthetic biology can greatly speed up the efficiency of gene mining in plants and the engineered yeasts established an alternative way for the production of pinocembrin derivatives.
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Affiliation(s)
- Xiaonan Liu
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian Cheng
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Xiaoxi Zhu
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guanghui Zhang
- State Key Laboratory of Conservation and Utilization of Bio-resources in Yunnan, National & Local Joint Engineering Research Center on Gemplasm Utilization & Innovation of Chinese Medicinal Materials in Southwest China, Yunnan Agricultural University, Kunming 650201, China
| | - Shengchao Yang
- State Key Laboratory of Conservation and Utilization of Bio-resources in Yunnan, National & Local Joint Engineering Research Center on Gemplasm Utilization & Innovation of Chinese Medicinal Materials in Southwest China, Yunnan Agricultural University, Kunming 650201, China
| | - Xiaoxian Guo
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Huifeng Jiang
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Yanhe Ma
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
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28
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Schwanemann T, Otto M, Wierckx N, Wynands B. Pseudomonasas Versatile Aromatics Cell Factory. Biotechnol J 2020; 15:e1900569. [DOI: 10.1002/biot.201900569] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/08/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Tobias Schwanemann
- Institute of Bio‐ and Geosciences, IBG‐1: Biotechnology Forschungszentrum Jülich, GmbH 52425 Jülich Germany
| | - Maike Otto
- Institute of Bio‐ and Geosciences, IBG‐1: Biotechnology Forschungszentrum Jülich, GmbH 52425 Jülich Germany
| | - Nick Wierckx
- Institute of Bio‐ and Geosciences, IBG‐1: Biotechnology Forschungszentrum Jülich, GmbH 52425 Jülich Germany
| | - Benedikt Wynands
- Institute of Bio‐ and Geosciences, IBG‐1: Biotechnology Forschungszentrum Jülich, GmbH 52425 Jülich Germany
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29
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Transglycosylation toward naringenin-7-O-glucoside using an N180H mutant of Coprinopsis cinerea endo-β-N-acetylglucosaminidase. Biochem Biophys Res Commun 2020; 530:155-159. [PMID: 32828279 DOI: 10.1016/j.bbrc.2020.06.128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 06/24/2020] [Indexed: 11/22/2022]
Abstract
Flavonoids are generally glycosylated, and the glycan moieties of flavonoid glycosides are known to greatly affect their physicochemical and biological properties. Thus, the development of a variety of tools for glycan remodeling of flavonoid glycosides is highly desired. An endo-β-N-acetylglucosaminidase mutant Endo-CC N180H, which is developed as an excellent chemoenzymatic tool for creating sialylglycoproteins, was employed for the glycosylation of flavonoids. Endo-CC N180H transferred the sialyl biantennary glycans from the sialylglyco peptide to pNP-GlcNAc and narigenin-7-O-glucoside. The kinetic parameters of Endo-CC N180H towards SGP and pNP-GlcNAc were determined. Flavonoid glucosides harboring a 1,3-diol structure in the glucose moieties acted as substrates of Endo-CC N180H. We proposed that the sialyl biantennary glycan transfer to the flavonoid by Endo-CC N180H could pave the way for the improvement of the inherent biological functions of the flavonoids and creation of novel flavonoid glycoside derivatives for future human health benefits including foods and drugs.
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30
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Belwal T, Singh G, Jeandet P, Pandey A, Giri L, Ramola S, Bhatt ID, Venskutonis PR, Georgiev MI, Clément C, Luo Z. Anthocyanins, multi-functional natural products of industrial relevance: Recent biotechnological advances. Biotechnol Adv 2020; 43:107600. [PMID: 32693016 DOI: 10.1016/j.biotechadv.2020.107600] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 07/06/2020] [Accepted: 07/10/2020] [Indexed: 01/09/2023]
Abstract
Anthocyanins, the color compounds of plants, are known for their wide applications in food, nutraceuticals and cosmetic industry. The biosynthetic pathway of anthocyanins is well established with the identification of potential key regulatory genes, which makes it possible to modulate its production by biotechnological means. Various biotechnological systems, including use of in vitro plant cell or tissue cultures as well as microorganisms have been used for the production of anthocyanins under controlled conditions, however, a wide range of factors affects their production. In addition, metabolic engineering technologies have also used the heterologous production of anthocyanins in recombinant plants and microorganisms. However, these approaches have mostly been tested at the lab- and pilot-scales, while very few up-scaling studies have been undertaken. Various challenges and ways of investigation are proposed here to improve anthocyanin production by using the in vitro plant cell or tissue culture and metabolic engineering of plants and microbial culture systems. All these methods are capable of modulating the production of anthocyanins , which can be further utilized for pharmaceutical, cosmetics and food applications.
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Affiliation(s)
- Tarun Belwal
- Zhejiang University, College of Biosystems Engineering and Food Science, Zhejiang Key Laboratory for Agri-Food Processing, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Hangzhou 310058, People's Republic of China.
| | - Gopal Singh
- G.B. Pant National Institute of Himalayan Environment, Kosi- Katarmal, Almora 263643, India; Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India
| | - Philippe Jeandet
- Research Unit, Induced Resistance and Plant Bioprotection, EA 4707, SFR Condorcet FR CNRS 3417, Faculty of Sciences, University of Reims Champagne-Ardenne, PO Box 1039, 51687 Reims Cedex 2, France
| | - Aseesh Pandey
- G.B. Pant National Institute of Himalayan Environment, Sikkim Regional Centre, Pangthang, Gangtok 737101, Sikkim, India
| | - Lalit Giri
- G.B. Pant National Institute of Himalayan Environment, Kosi- Katarmal, Almora 263643, India
| | - Sudipta Ramola
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Indra D Bhatt
- G.B. Pant National Institute of Himalayan Environment, Kosi- Katarmal, Almora 263643, India
| | - Petras Rimantas Venskutonis
- Department of Food Science and Technology, Kaunas University of Technology, Radvilėnų pl. 19, Kaunas LT-50254, Lithuania
| | - Milen I Georgiev
- Center of Plant Systems Biology and Biotechnology, Plovdiv, Bulgaria; Laboratory of Metabolomics, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Plovdiv, Bulgaria
| | - Christophe Clément
- Research Unit, Induced Resistance and Plant Bioprotection, EA 4707, SFR Condorcet FR CNRS 3417, Faculty of Sciences, University of Reims Champagne-Ardenne, PO Box 1039, 51687 Reims Cedex 2, France
| | - Zisheng Luo
- Zhejiang University, College of Biosystems Engineering and Food Science, Zhejiang Key Laboratory for Agri-Food Processing, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Hangzhou 310058, People's Republic of China; National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang R&D Center for Food Technology and Equipment, Zhejiang University, Hangzhou 310058, People's Republic of China; Ningbo Research Institute, Zhejiang University, Ningbo 315100, People's Republic of China.
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31
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Biocatalysis: Chemical Biosynthesis. Catalysts 2020. [DOI: 10.3390/catal10040390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Biocatalysis is very appealing for industry because it allows the synthesis of products that are not accessible by chemical synthesis, use of alternative raw materials, lower operating costs, low fixed cost infrastructure and improved eco-efficiency [...]
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32
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Wu X, Zha J, Koffas MAG. Microbial production of bioactive chemicals for human health. Curr Opin Food Sci 2020. [DOI: 10.1016/j.cofs.2019.12.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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33
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Braga A, Faria N. Bioprocess Optimization for the Production of Aromatic Compounds With Metabolically Engineered Hosts: Recent Developments and Future Challenges. Front Bioeng Biotechnol 2020; 8:96. [PMID: 32154231 PMCID: PMC7044121 DOI: 10.3389/fbioe.2020.00096] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 02/03/2020] [Indexed: 12/18/2022] Open
Abstract
The most common route to produce aromatic chemicals - organic compounds containing at least one benzene ring in their structure - is chemical synthesis. These processes, usually starting from an extracted fossil oil molecule such as benzene, toluene, or xylene, are highly environmentally unfriendly due to the use of non-renewable raw materials, high energy consumption and the usual production of toxic by-products. An alternative way to produce aromatic compounds is extraction from plants. These extractions typically have a low yield and a high purification cost. This motivates the search for alternative platforms to produce aromatic compounds through low-cost and environmentally friendly processes. Microorganisms are able to synthesize aromatic amino acids through the shikimate pathway. The construction of microbial cell factories able to produce the desired molecule from renewable feedstock becomes a promising alternative. This review article focuses on the recent advances in microbial production of aromatic products, with a special emphasis on metabolic engineering strategies, as well as bioprocess optimization. The recent combination of these two techniques has resulted in the development of several alternative processes to produce phenylpropanoids, aromatic alcohols, phenolic aldehydes, and others. Chemical species that were unavailable for human consumption due to the high cost and/or high environmental impact of their production, have now become accessible.
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Affiliation(s)
- Adelaide Braga
- Centre of Biological Engineering, University of Minho, Braga, Portugal
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34
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Making brilliant colors by microorganisms. Curr Opin Biotechnol 2020; 61:135-141. [DOI: 10.1016/j.copbio.2019.12.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 11/22/2019] [Accepted: 12/17/2019] [Indexed: 11/21/2022]
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35
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Zang Y, Zha J, Wu X, Zheng Z, Ouyang J, Koffas MAG. In Vitro Naringenin Biosynthesis from p-Coumaric Acid Using Recombinant Enzymes. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:13430-13436. [PMID: 30919618 DOI: 10.1021/acs.jafc.9b00413] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Naringenin is an important precursor for the production of a wide spectrum of flavonoids, and its production is of great interest in metabolic engineering. However, in cellular systems, identification of rate-limiting factors is often difficult because of complex regulatory networks. Cell-free catalytic systems emerge as a promising method to address this issue. Here, we explored the cell-free biosystem for naringenin production by combining different sources of 4-coumaroyl-CoA ligase (4CL), chalcone synthase (CHS), and chalcone isomerase (CHI). After systematic analysis of enzyme levels, substrate concentrations, and cofactors, 4CL and CHS were found to be crucial to the reaction. The best loading ratio of 4CL/CHS/CHI was 10:10:1, and malonyl-CoA was the limiting factor, as identified previously in fermentation. For the first time, we successfully constructed the system for naringenin production in vitro. Our study will deepen our understanding of the key factors in naringenin production and guide further engineering.
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36
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Zha J, Wu X, Gong G, Koffas MAG. Pathway enzyme engineering for flavonoid production in recombinant microbes. Metab Eng Commun 2019; 9:e00104. [PMID: 31720219 PMCID: PMC6838514 DOI: 10.1016/j.mec.2019.e00104] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/10/2019] [Accepted: 10/13/2019] [Indexed: 12/20/2022] Open
Abstract
Metabolic engineering of microbial strains for the production of flavonoids of industrial interest has attracted great attention due to its promising advantages over traditional extraction approaches, such as independence of plantation, facile downstream separation, and ease of process and quality control. However, most of the constructed microbial production systems suffer from low production titers, low yields and low productivities, restricting their commercial applications. One important reason of the inefficient production is that the expression conditions and the detailed functions of the flavonoid pathway enzymes are not well understood. In this review, we have collected the biochemical properties, structural details, and genetic information of the enzymes in the flavonoid biosynthetic pathway as a guide for the expression and analysis of these enzymes in microbial systems. Additionally, we have summarized the engineering approaches used in improving the performances of these enzymes in recombinant microorganisms. Major challenges and future directions on the flavonoid pathway are also discussed.
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Affiliation(s)
- Jian Zha
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, Shaanxi, China
| | - Xia Wu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, Shaanxi, China
| | - Guoli Gong
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, Shaanxi, China
| | - Mattheos A G Koffas
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, 12180, NY, USA.,Department of Chemical and Biological Engineering, Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, 12180, NY, USA
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37
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Nielsen E, Temporiti MEE, Cella R. Improvement of phytochemical production by plant cells and organ culture and by genetic engineering. PLANT CELL REPORTS 2019; 38:1199-1215. [PMID: 31055622 DOI: 10.1007/s00299-019-02415-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 04/25/2019] [Indexed: 06/09/2023]
Abstract
Plants display an amazing ability to synthesize a vast array of secondary metabolites that are an inexhaustible source of phytochemicals, bioactive molecules some of which impact the human health. Phytochemicals present in medicinal herbs and spices have long been used as natural remedies against illness. Plant tissue culture represents an alternative to whole plants as a source of phytochemicals. This approach spares agricultural land that can be used for producing food and other raw materials, thus favoring standardized phytochemical production regardless of climatic adversities and political events. Over the past 20 years, different strategies have been developed to increase the synthesis and the extraction of phytochemicals from tissue culture often obtaining remarkable results. Moreover, the availability of genomics and metabolomics tools, along with improved recombinant methods related to the ability to overexpress, silence or disrupt one or more genes of the pathway of interest promise to open new exciting possibilities of metabolic engineering. This review provides a general framework of the cellular and molecular tools developed so far to enhance the yield of phytochemicals. Additionally, some emerging topics such as the culture of cambial meristemoid cells, the selection of plant cell following the expression of genes encoding human target proteins, and the bioextraction of phytochemicals from plant material have been addressed. Altogether, the herein described techniques and results are expected to improve metabolic engineering tools aiming at improving the production of phytochemicals of pharmaceutical and nutraceutical interest.
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Affiliation(s)
- Erik Nielsen
- Department of Biology and Biotechnology, University of Pavia, Via Ferrata 9, 27100, Pavia, Italy.
| | | | - Rino Cella
- Department of Biology and Biotechnology, University of Pavia, Via Ferrata 9, 27100, Pavia, Italy
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38
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Thapa SB, Pandey RP, Bashyal P, Yamaguchi T, Sohng JK. Cascade biocatalysis systems for bioactive naringenin glucosides and quercetin rhamnoside production from sucrose. Appl Microbiol Biotechnol 2019; 103:7953-7969. [DOI: 10.1007/s00253-019-10060-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/23/2019] [Accepted: 07/24/2019] [Indexed: 12/19/2022]
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39
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Santos-Buelga C, González-Paramás AM, Oludemi T, Ayuda-Durán B, González-Manzano S. Plant phenolics as functional food ingredients. ADVANCES IN FOOD AND NUTRITION RESEARCH 2019; 90:183-257. [PMID: 31445596 DOI: 10.1016/bs.afnr.2019.02.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Phenolic compounds have attracted much attention in recent times as their dietary intake has been associated with the prevention of some chronic and degenerative diseases that constitute major causes of death and incapacity in developed countries, such as cardiovascular diseases, type II diabetes, some types of cancers or neurodegenerative disorders like Alzheimer's and Parkinson's diseases. Nowadays it is considered that these compounds contribute, at least in part, for the protective effects of fruit and vegetable-rich diets, so that the study of their role in human nutrition has become a central issue in food research. This chapter reviews the current knowledge on the phenolic compounds as food components, namely their occurrence in the diet, bioavailability and metabolism, biological activities and mechanisms of action. Besides, the approaches for their extraction from plant matrices and technological improvements regarding their preparation, stability and bioavailability in order to be used as functional food ingredients are also reviewed, as well as their legal situation regarding the possibility of making "health claims" based on their presence in food and beverages.
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Affiliation(s)
- Celestino Santos-Buelga
- Grupo de Investigación en Polifenoles (GIP-USAL), Universidad de Salamanca, Salamanca, Spain.
| | - Ana M González-Paramás
- Grupo de Investigación en Polifenoles (GIP-USAL), Universidad de Salamanca, Salamanca, Spain
| | - Taofiq Oludemi
- Mountain Research Center (CIMO), Polytechnic Institute of Bragança, Bragança, Portugal
| | - Begoña Ayuda-Durán
- Grupo de Investigación en Polifenoles (GIP-USAL), Universidad de Salamanca, Salamanca, Spain
| | - Susana González-Manzano
- Grupo de Investigación en Polifenoles (GIP-USAL), Universidad de Salamanca, Salamanca, Spain
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40
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Milke L, Ferreira P, Kallscheuer N, Braga A, Vogt M, Kappelmann J, Oliveira J, Silva AR, Rocha I, Bott M, Noack S, Faria N, Marienhagen J. Modulation of the central carbon metabolism of Corynebacterium glutamicum improves malonyl-CoA availability and increases plant polyphenol synthesis. Biotechnol Bioeng 2019; 116:1380-1391. [PMID: 30684355 DOI: 10.1002/bit.26939] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 12/10/2018] [Accepted: 01/22/2019] [Indexed: 12/21/2022]
Abstract
In recent years microorganisms have been engineered towards synthesizing interesting plant polyphenols such as flavonoids and stilbenes from glucose. Currently, the low endogenous supply of malonyl-CoA, indispensable for plant polyphenol synthesis, impedes high product titers. Usually, limited malonyl-CoA availability during plant polyphenol production is avoided by supplementing fatty acid synthesis-inhibiting antibiotics such as cerulenin, which are known to increase the intracellular malonyl-CoA pool as a side effect. Motivated by the goal of microbial polyphenol synthesis being independent of such expensive additives, we used rational metabolic engineering approaches to modulate regulation of fatty acid synthesis and flux into the tricarboxylic acid cycle (TCA cycle) in Corynebacterium glutamicum strains capable of flavonoid and stilbene synthesis. Initial experiments showed that sole overexpression of genes coding for the native malonyl-CoA-forming acetyl-CoA carboxylase is not sufficient for increasing polyphenol production in C. glutamicum. Hence, the intracellular acetyl-CoA availability was also increased by reducing the flux into the TCA cycle through reduction of citrate synthase activity. In defined cultivation medium, the constructed C. glutamicum strains accumulated 24 mg·L -1 (0.088 mM) naringenin or 112 mg·L -1 (0.49 mM) resveratrol from glucose without supplementation of phenylpropanoid precursor molecules or any inhibitors of fatty acid synthesis.
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Affiliation(s)
- Lars Milke
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, Jülich, Germany
| | - Patrícia Ferreira
- Biotempo, Guimarães, Portugal.,Centre of Biological Engineering, University of Minho-Campus de Gualtar, Braga, Portugal
| | - Nicolai Kallscheuer
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, Jülich, Germany
| | - Adelaide Braga
- Biotempo, Guimarães, Portugal.,Centre of Biological Engineering, University of Minho-Campus de Gualtar, Braga, Portugal
| | - Michael Vogt
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, Jülich, Germany
| | - Jannick Kappelmann
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, Jülich, Germany
| | - Joana Oliveira
- Biotempo, Guimarães, Portugal.,Centre of Biological Engineering, University of Minho-Campus de Gualtar, Braga, Portugal
| | - Ana Rita Silva
- Biotempo, Guimarães, Portugal.,Centre of Biological Engineering, University of Minho-Campus de Gualtar, Braga, Portugal
| | - Isabel Rocha
- Biotempo, Guimarães, Portugal.,Centre of Biological Engineering, University of Minho-Campus de Gualtar, Braga, Portugal.,Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Michael Bott
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, Jülich, Germany
| | - Stephan Noack
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, Jülich, Germany
| | - Nuno Faria
- Biotempo, Guimarães, Portugal.,Centre of Biological Engineering, University of Minho-Campus de Gualtar, Braga, Portugal
| | - Jan Marienhagen
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, Jülich, Germany
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41
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Zhang R, Li C, Wang J, Yang Y, Yan Y. Microbial production of small medicinal molecules and biologics: From nature to synthetic pathways. Biotechnol Adv 2018; 36:2219-2231. [DOI: 10.1016/j.biotechadv.2018.10.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 10/02/2018] [Accepted: 10/15/2018] [Indexed: 01/07/2023]
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42
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Marín L, Gutiérrez-del-Río I, Entrialgo-Cadierno R, Villar CJ, Lombó F. De novo biosynthesis of myricetin, kaempferol and quercetin in Streptomyces albus and Streptomyces coelicolor. PLoS One 2018; 13:e0207278. [PMID: 30440014 PMCID: PMC6237366 DOI: 10.1371/journal.pone.0207278] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 10/29/2018] [Indexed: 01/16/2023] Open
Abstract
Flavonols are a flavonoid subfamily widely distributed in plants, including several ones of great importance in human and animal diet (apple, tomato, broccoli, onion, beans, tea). These polyphenolic nutraceuticals exert potent antimicrobial (membrane potential disruptors), antioxidant (free-radical scavengers), pharmacokinetic (CYP450 modulators), anti-inflammatory (lipoxygenase inhibitors), antiangiogenic (VEGF inhibitors) and antitumor (cyclin inhibitors) activities. Biotechnological production of these nutraceuticals, for example via heterologous biosynthesis in industrial actinomycetes, is favored since in plants these polyphenols appear as inactive glycosylated derivatives, in low concentrations or as part of complex mixtures with other polyphenolic compounds. In this work, we describe the de novo biosynthesis of three important flavonols, myricetin, kaempferol and quercetin, in the industrially relevant actinomycetes Streptomyces coelicolor and S. albus. De novo biosynthesis of kaempferol, myricetin and quercetin in actinomycetes has not been described before.
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Affiliation(s)
- Laura Marín
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias) Principality of Asturias, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Principality of Asturias, Spain
| | - Ignacio Gutiérrez-del-Río
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias) Principality of Asturias, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Principality of Asturias, Spain
| | - Rodrigo Entrialgo-Cadierno
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias) Principality of Asturias, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Principality of Asturias, Spain
| | - Claudio J. Villar
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias) Principality of Asturias, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Principality of Asturias, Spain
| | - Felipe Lombó
- Research Group BIONUC (Biotechnology of Nutraceuticals and Bioactive Compounds), Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo, Principality of Asturias, Spain
- IUOPA (Instituto Universitario de Oncología del Principado de Asturias) Principality of Asturias, Spain
- ISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Principality of Asturias, Spain
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43
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Escherichia coli as a host for metabolic engineering. Metab Eng 2018; 50:16-46. [DOI: 10.1016/j.ymben.2018.04.008] [Citation(s) in RCA: 181] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 04/11/2018] [Accepted: 04/12/2018] [Indexed: 12/21/2022]
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44
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Zha J, Zang Y, Mattozzi M, Plassmeier J, Gupta M, Wu X, Clarkson S, Koffas MAG. Metabolic engineering of Corynebacterium glutamicum for anthocyanin production. Microb Cell Fact 2018; 17:143. [PMID: 30217197 PMCID: PMC6138892 DOI: 10.1186/s12934-018-0990-z] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 09/04/2018] [Indexed: 11/16/2022] Open
Abstract
Background Anthocyanins such as cyanidin 3-O-glucoside (C3G) have wide applications in industry as food colorants. Their current production heavily relies on extraction from plant tissues. Development of a sustainable method to produce anthocyanins is of considerable interest for industrial use. Previously, E. coli-based microbial production of anthocyanins has been investigated extensively. However, safety concerns on E. coli call for the adoption of a safe production host. In the present study, a GRAS bacterium, Corynebacterium glutamicum, was introduced as the host strain to synthesize C3G. We adopted stepwise metabolic engineering strategies to improve the production titer of C3G. Results Anthocyanidin synthase (ANS) from Petunia hybrida and 3-O-glucosyltransferase (3GT) from Arabidopsis thaliana were coexpressed in C. glutamicum ATCC 13032 to drive the conversion from catechin to C3G. Optimized expression of ANS and 3GT improved the C3G titer by 1- to 15-fold. Further process optimization and improvement of UDP-glucose availability led to ~ 40 mg/L C3G production, representing a > 100-fold titer increase compared to production in the un-engineered, un-optimized starting strain. Conclusions For the first time, we successfully achieved the production of the specialty anthocyanin C3G from the comparatively inexpensive flavonoid precursor catechin in C. glutamicum. This study opens up more possibility of C. glutamicum as a host microbe for the biosynthesis of useful and value-added natural compounds. Electronic supplementary material The online version of this article (10.1186/s12934-018-0990-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jian Zha
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Ying Zang
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA.,College of Forestry, Nanjing Forestry University, Nanjing, 210037, China
| | | | | | - Mamta Gupta
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA.,Department of Environmental Sciences, DAV University, Jalandhar, Punjab, 144 001, India
| | - Xia Wu
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | | | - Mattheos A G Koffas
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA.
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45
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Nomura T, Ogita S, Kato Y. Rational metabolic-flow switching for the production of exogenous secondary metabolites in bamboo suspension cells. Sci Rep 2018; 8:13203. [PMID: 30181615 PMCID: PMC6123407 DOI: 10.1038/s41598-018-31566-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 08/20/2018] [Indexed: 12/20/2022] Open
Abstract
The synthetic biology-driven production of high-value plant secondary metabolites in microbial hosts has attracted extensive attention despite various challenges, including correct protein expression and limited supplies of starting materials. In contrast, plant cell cultures are rarely used for this purpose owing to their slow proliferation rates and laborious transformation processes. Here, we propose a "rational metabolic-flow switching" strategy to efficiently produce exogenous secondary metabolites using suspension-cultured bamboo (Phyllostachys nigra; Pn) cells as model production hosts. The Pn cells biosynthesise hydroxycinnamic acid amides (HCAAs) of putrescine as major secondary metabolites, which indicates that the phenylpropanoid and polyamine biosynthetic pathways are highly active and that the Pn cells may produce alternative secondary metabolites derived from those pathways. Stable transformants of Pn cells expressing agmatine coumaroyltransferase of barley (Hordeum vulgare) were generated with the expectation of metabolic-flow switching from HCAAs of putrescine to those of agmatine. In the recombinant Pn cells, the levels of HCAAs of putrescine decreased and the HCAAs of agmatine were produced instead. The production titre of the major product, p-coumaroylagmatine, reached approximately 360 mg/L, providing a proof-of-concept for the usefulness of "rational metabolic-flow switching" in synthetic biology using plant cell hosts.
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Affiliation(s)
- Taiji Nomura
- Biotechnology Research Center and Department of Biotechnology, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan.
| | - Shinjiro Ogita
- Faculty of Life and Environmental Sciences, Prefectural University of Hiroshima, 5562 Nanatsukacho, Shobara, Hiroshima, 727-0023, Japan
| | - Yasuo Kato
- Biotechnology Research Center and Department of Biotechnology, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
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46
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Metabolic engineering of glycosylated polyketide biosynthesis. Emerg Top Life Sci 2018; 2:389-403. [DOI: 10.1042/etls20180011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 05/28/2018] [Accepted: 05/29/2018] [Indexed: 12/15/2022]
Abstract
Microbial cell factories are extensively used for the biosynthesis of value-added chemicals, biopharmaceuticals, and biofuels. Microbial biosynthesis is also realistic for the production of heterologous molecules including complex natural products of plant and microbial origin. Glycosylation is a well-known post-modification method to engineer sugar-functionalized natural products. It is of particular interest to chemical biologists to increase chemical diversity of molecules. Employing the state-of-the-art systems and synthetic biology tools, a range of small to complex glycosylated natural products have been produced from microbes using a simple and sustainable fermentation approach. In this context, this review covers recent notable metabolic engineering approaches used for the biosynthesis of glycosylated plant and microbial polyketides in different microorganisms. This review article is broadly divided into two major parts. The first part is focused on the biosynthesis of glycosylated plant polyketides in prokaryotes and yeast cells, while the second part is focused on the generation of glycosylated microbial polyketides in actinomycetes.
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Levisson M, Patinios C, Hein S, de Groot PA, Daran JM, Hall RD, Martens S, Beekwilder J. Engineering de novo anthocyanin production in Saccharomyces cerevisiae. Microb Cell Fact 2018; 17:103. [PMID: 29970082 PMCID: PMC6029064 DOI: 10.1186/s12934-018-0951-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 06/27/2018] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Anthocyanins are polyphenolic pigments which provide pink to blue colours in fruits and flowers. There is an increasing demand for anthocyanins, as food colorants and as health-promoting substances. Plant production of anthocyanins is often seasonal and cannot always meet demand due to low productivity and the complexity of the plant extracts. Therefore, a system of on-demand supply is useful. While a number of other (simpler) plant polyphenols have been successfully produced in the yeast Saccharomyces cerevisiae, production of anthocyanins has not yet been reported. RESULTS Saccharomyces cerevisiae was engineered to produce pelargonidin 3-O-glucoside starting from glucose. Specific anthocyanin biosynthetic genes from Arabidopsis thaliana and Gerbera hybrida were introduced in a S. cerevisiae strain producing naringenin, the flavonoid precursor of anthocyanins. Upon culturing, pelargonidin and its 3-O-glucoside were detected inside the yeast cells, albeit at low concentrations. A number of related intermediates and side-products were much more abundant and were secreted into the culture medium. To optimize titers of pelargonidin 3-O-glucoside further, biosynthetic genes were stably integrated into the yeast genome, and formation of a major side-product, phloretic acid, was prevented by engineering the yeast chassis. Further engineering, by removing two glucosidases which are known to degrade pelargonidin 3-O-glucoside, did not result in higher yields of glycosylated pelargonidin. In aerated, pH controlled batch reactors, intracellular pelargonidin accumulation reached 0.01 µmol/gCDW, while kaempferol and dihydrokaempferol were effectively exported to reach extracellular concentration of 20 µM [5 mg/L] and 150 µM [44 mg/L], respectively. CONCLUSION The results reported in this study demonstrate the proof-of-concept that S. cerevisiae is capable of de novo production of the anthocyanin pelargonidin 3-O-glucoside. Furthermore, while current conversion efficiencies are low, a number of clear bottlenecks have already been identified which, when overcome, have huge potential to enhance anthocyanin production efficiency. These results bode very well for the development of fermentation-based production systems for specific and individual anthocyanin molecules. Such systems have both great scientific value for identifying and characterising anthocyanin decorating enzymes as well as significant commercial potential for the production of, on-demand, pure bioactive compounds to be used in the food, health and even pharma industries.
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Affiliation(s)
- Mark Levisson
- Laboratory of Plant Physiology, Wageningen University & Research, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Constantinos Patinios
- Laboratory of Plant Physiology, Wageningen University & Research, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Sascha Hein
- Department of Food Quality and Nutrition, Fondazione Edmund Mach, Centro Ricerca e Innovazione, Via E. Mach, 1, 38010 San Michele all’Adige, TN Italy
| | - Philip A. de Groot
- Department of Biotechnology, Delft University of Technology, van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Jean-Marc Daran
- Department of Biotechnology, Delft University of Technology, van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Robert D. Hall
- Laboratory of Plant Physiology, Wageningen University & Research, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
- Wageningen Plant Research, Wageningen University & Research, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Stefan Martens
- Department of Food Quality and Nutrition, Fondazione Edmund Mach, Centro Ricerca e Innovazione, Via E. Mach, 1, 38010 San Michele all’Adige, TN Italy
| | - Jules Beekwilder
- Wageningen Plant Research, Wageningen University & Research, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
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Appelhagen I, Wulff-Vester AK, Wendell M, Hvoslef-Eide AK, Russell J, Oertel A, Martens S, Mock HP, Martin C, Matros A. Colour bio-factories: Towards scale-up production of anthocyanins in plant cell cultures. Metab Eng 2018; 48:218-232. [PMID: 29890220 PMCID: PMC6075943 DOI: 10.1016/j.ymben.2018.06.004] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 06/07/2018] [Accepted: 06/07/2018] [Indexed: 12/27/2022]
Abstract
Anthocyanins are widely distributed, glycosylated, water-soluble plant pigments, which give many fruits and flowers their red, purple or blue colouration. Their beneficial effects in a dietary context have encouraged increasing use of anthocyanins as natural colourants in the food and cosmetic industries. However, the limited availability and diversity of anthocyanins commercially have initiated searches for alternative sources of these natural colourants. In plants, high-level production of secondary metabolites, such as anthocyanins, can be achieved by engineering of regulatory genes as well as genes encoding biosynthetic enzymes. We have used tobacco lines which constitutively produce high levels of cyanidin 3-O-rutinoside, delphinidin 3-O-rutinoside or a novel anthocyanin, acylated cyanidin 3-O-(coumaroyl) rutinoside to generate cell suspension cultures. The cell lines are stable in their production rates and superior to conventional plant cell cultures. Scale-up of anthocyanin production in small scale fermenters has been demonstrated. The cell cultures have also proven to be a suitable system for production of 13C-labelled anthocyanins. Our method for anthocyanin production is transferable to other plant species, such as Arabidopsis thaliana, demonstrating the potential of this approach for making a wide range of highly-decorated anthocyanins. The tobacco cell cultures represent a customisable and sustainable alternative to conventional anthocyanin production platforms and have considerable potential for use in industrial and medical applications of anthocyanins.
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Affiliation(s)
- Ingo Appelhagen
- John Innes Centre, Department of Metabolic Biology, Norwich Research Park, Norwich NR47UH, United Kingdom.
| | - Anders Keim Wulff-Vester
- Norwegian University of Life Sciences, Faculty of Biosciences, Department of Plant Sciences, Fougnerbakken 3, N-1432 Ås, Norway.
| | - Micael Wendell
- Norwegian University of Life Sciences, Faculty of Biosciences, Department of Plant Sciences, Fougnerbakken 3, N-1432 Ås, Norway.
| | - Anne-Kathrine Hvoslef-Eide
- Norwegian University of Life Sciences, Faculty of Biosciences, Department of Plant Sciences, Fougnerbakken 3, N-1432 Ås, Norway.
| | - Julia Russell
- John Innes Centre, Department of Metabolic Biology, Norwich Research Park, Norwich NR47UH, United Kingdom.
| | - Anne Oertel
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK-Gatersleben), Department of Physiology and Cell Biology, Corrensstraße 3, 06466 Stadt Seeland, OT Gatersleben, Germany; TransMIT GmbH, Project division PlantMetaChem, Kerkrader Str. 3, 35394 Giessen, Germany.
| | - Stefan Martens
- TransMIT GmbH, Project division PlantMetaChem, Kerkrader Str. 3, 35394 Giessen, Germany; Edmund Mach Foundation, Research and Innovation Centre, Department of Food Quality and Nutrition, Via E. Mach, 1 38010 San Michele all'Adige, TN, Italy.
| | - Hans-Peter Mock
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK-Gatersleben), Department of Physiology and Cell Biology, Corrensstraße 3, 06466 Stadt Seeland, OT Gatersleben, Germany.
| | - Cathie Martin
- John Innes Centre, Department of Metabolic Biology, Norwich Research Park, Norwich NR47UH, United Kingdom.
| | - Andrea Matros
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK-Gatersleben), Department of Physiology and Cell Biology, Corrensstraße 3, 06466 Stadt Seeland, OT Gatersleben, Germany.
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Li H, Mao S, Chen H, Zhu L, Liu W, Wang X, Yin Y. To Construct an Engineered ( S)-Equol Resistant E. coli for in Vitro ( S)-Equol Production. Front Microbiol 2018; 9:1182. [PMID: 29915570 PMCID: PMC5994542 DOI: 10.3389/fmicb.2018.01182] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 05/15/2018] [Indexed: 11/23/2022] Open
Abstract
(S)-equol is one of the major metabolites of daidzein that is produced by human and animal gut bacteria. Most of the physiological functions of soybean isoflavones, such as anti-oxidative activity, anti-cancer activity, and cardiovascular protection have been ascribed to (S)-equol. However, only 30–50% people contain this kind of equol-producing bacteria, and therefore are able to convert daidzein to (S)-equol. Administration of (S)-equol may be more beneficial than soybean isoflavones. The aim of this study was to construct an engineered (S)-equol resistant Escherichia coli to enhance (S)-equol production in vitro. First, transposon mutagenesis libraries were constructed and screened to isolate the (S)-equol resistant mutant E. coli strain BL21 (ydiS) in order to overcome the inhibitory effects of (S)-equol on bacterial growth. Bacterial full genome scan sequencing and in vitro overexpression results revealed that the ydiS gene was responsible for this resistance. Second, the (S)-equol-producing genes L-dznr, L-ddrc, L-dhdr, and L-thdr of Lactococcus strain 20–92 were synthesized and cloned into compatible vectors, pETDuet-1 and pCDFDuet-1. These plasmids were subsequently transformed into BL21 (DE3) and its mutant BL21 (ydiS). Both engineered BL21 (DE3) and BL21 (ydiS) could use daidzein as substrate to produce (S)-equol under both anaerobic and aerobic conditions. As expected, engineered BL21 (ydiS) had faster growth rates than BL21 (DE3) when supplemented with high concentrations of (S)-equol. The yield and the daidzein utilization ratio were higher for engineered BL21 (ydiS). Interestingly, engineered BL21 (ydiS) was able to convert daidzein to (S)-equol efficiently under aerobic conditions, providing a convenient method for (S)-equol production in vitro. In addition, a two-step method was developed to produce (S)-equol using daidzin as substrate.
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Affiliation(s)
- Hailiang Li
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, China.,State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China.,Hunan Provincial Key Laboratory for Forestry Biotechnology, College of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
| | - Shaoming Mao
- Hunan Provincial Key Laboratory for Forestry Biotechnology, College of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
| | - Huahai Chen
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, China.,State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Liying Zhu
- State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Wei Liu
- State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Xin Wang
- State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Yeshi Yin
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, China.,State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
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50
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Production of methoxylated flavonoids in yeast using ring A hydroxylases and flavonoid O-methyltransferases from sweet basil. Appl Microbiol Biotechnol 2018; 102:5585-5598. [DOI: 10.1007/s00253-018-9043-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 04/09/2018] [Accepted: 04/19/2018] [Indexed: 01/31/2023]
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