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Tan RX, Chen XY. Uncovering the baccatin III biosynthetic pathway for sustainable taxoid supply. Sci Bull (Beijing) 2024; 69:1182-1184. [PMID: 38514298 DOI: 10.1016/j.scib.2024.03.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Affiliation(s)
- Ren Xiang Tan
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Functional Biomolecules, School of Life Sciences, Nanjing University, Nanjing 210023, China.
| | - Xiao-Ya Chen
- 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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Huang G, Li J, Lin J, Duan C, Yan G. Multi-modular metabolic engineering and efflux engineering for enhanced lycopene production in recombinant Saccharomyces cerevisiae. J Ind Microbiol Biotechnol 2024; 51:kuae015. [PMID: 38621758 DOI: 10.1093/jimb/kuae015] [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: 02/25/2024] [Accepted: 04/13/2024] [Indexed: 04/17/2024]
Abstract
Lycopene has been widely used in the food industry and medical field due to its antioxidant, anti-cancer, and anti-inflammatory properties. However, achieving efficient manufacture of lycopene using chassis cells on an industrial scale remains a major challenge. Herein, we attempted to integrate multiple metabolic engineering strategies to establish an efficient and balanced lycopene biosynthetic system in Saccharomyces cerevisiae. First, the lycopene synthesis pathway was modularized to sequentially enhance the metabolic flux of the mevalonate pathway, the acetyl-CoA supply module, and lycopene exogenous enzymatic module. The modular operation enabled the efficient conversion of acetyl-CoA to downstream pathway of lycopene synthesis, resulting in a 3.1-fold increase of lycopene yield. Second, we introduced acetate as an exogenous carbon source and utilized an acetate-repressible promoter to replace the natural ERG9 promoter. This approach not only enhanced the supply of acetyl-CoA but also concurrently diminished the flux toward the competitive ergosterol pathway. As a result, a further 42.3% increase in lycopene production was observed. Third, we optimized NADPH supply and mitigated cytotoxicity by overexpressing ABC transporters to promote lycopene efflux. The obtained strain YLY-PDR11 showed a 12.7-fold increase in extracellular lycopene level compared to the control strain. Finally, the total lycopene yield reached 343.7 mg/L, which was 4.3 times higher than that of the initial strain YLY-04. Our results demonstrate that combining multi-modular metabolic engineering with efflux engineering is an effective approach to improve the production of lycopene. This strategy can also be applied to the overproduction of other desirable isoprenoid compounds with similar synthesis and storage patterns in S. cerevisiae. ONE-SENTENCE SUMMARY In this research, lycopene production in yeast was markedly enhanced by integrating a multi-modular approach, acetate signaling-based down-regulation of competitive pathways, and an efflux optimization strategy.
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Affiliation(s)
- Guangxi Huang
- C entre for Viticulture and Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Jiarong Li
- C entre for Viticulture and Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Jingyuan Lin
- C entre for Viticulture and Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Changqing Duan
- C entre for Viticulture and Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Guoliang Yan
- C entre for Viticulture and Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
- Key Laboratory of Food Bioengineering (China National Light Industry), China Agricultural University, Beijing 100083, China
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Luo Z, Shi JT, Chen XL, Chen J, Liu F, Wei LJ, Hua Q. Iterative gene integration mediated by 26S rDNA and non-homologous end joining for the efficient production of lycopene in Yarrowia lipolytica. BIORESOUR BIOPROCESS 2023; 10:83. [PMID: 38647953 PMCID: PMC10992032 DOI: 10.1186/s40643-023-00697-6] [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: 06/06/2023] [Accepted: 10/23/2023] [Indexed: 04/25/2024] Open
Abstract
Because of its potent antioxidant effects, lycopene has been used in various industries including, but not limited to, food, medical, and cosmetic industries. Yarrowia lipolytica, a non-conventional yeast species, is a promising chassis due to its natural mevalonate (MVA) pathway, abundant precursor acetyl coenzyme A content, and oleaginous properties. Several gene editing tools have been developed for Y. lipolytica along with engineering strategies for tetraterpenoid production. In this study, we engineered Y. lipolytica following multi-level strategies for efficient lycopene accumulation. We first evaluated the performance of the key lycopene biosynthetic genes crtE, crtB, and crtI, expressed via ribosomal DNA (rDNA) mediated multicopy random integration in the HMG1- and GGS1-overexpressing background strain. Further improvement in lycopene production was achieved by overexpressing the key genes for MVA synthesis via non-homologous end joining (NHEJ) mediated multi-round iterative transformation. Efficient strategies in the MVA and lipid synthesis pathways were combined to improve lycopene production with a yield of 430.5 mg/L. This strain produced 121 mg/g dry cell weight of lycopene in a 5-L fed-batch fermentation system. Our findings demonstrated iterative gene integration mediated by 26S rDNA and NHEJ for the efficient production of lycopene in Y. lipolytica. These strategies can be applied to induce Y. lipolytica to produce other tetraterpenoids.
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Affiliation(s)
- Zhen Luo
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, People's Republic of China
| | - Jiang-Ting Shi
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, People's Republic of China
| | - Xin-Liang Chen
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, People's Republic of China
| | - Jun Chen
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, People's Republic of China
| | - Feng Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, People's Republic of China
| | - Liu-Jing Wei
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, People's Republic of China.
| | - Qiang Hua
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, People's Republic of China.
- Shanghai Collaborative Innovation Center for Biomanufacturing Technology, 130 Meilong Road, Shanghai, 200237, China.
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Mussagy CU, Ribeiro HF, Pereira JFB. Rhodotorula sp. as a cell factory for production of valuable biomolecules. ADVANCES IN APPLIED MICROBIOLOGY 2023; 123:133-156. [PMID: 37400173 DOI: 10.1016/bs.aambs.2023.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
Rhodotorula sp. are well-known for their ability to biosynthesize a diverse range of valuable biomolecules, including carotenoids, lipids, enzymes, and polysaccharides. Despite the high number of studies conducted using Rhodotorula sp. at the laboratory scale, most of these do not address all processual aspects necessary for scaling up these processes for industrial applications. This chapter explores the potential of Rhodotorula sp. as a cell factory for the production of distinct biomolecules, with a particular emphasis on exploring their use from a biorefinery perspective. Through in-depth discussions of the latest research and insights into non-conventional applications, we aim to provide a comprehensive understanding of Rhodotorula sp.'s ability to produce biofuels, bioplastics, pharmaceuticals, and other valuable biochemicals. This book chapter also examines the fundamentals and challenges associated with the optimizing upstream and downstream processing of Rhodotorula sp-based processes. We believe that through this chapter, readers with different levels of expertise will gain insights into strategies for enhancing the sustainability, efficiency, and effectiveness of producing biomolecules using Rhodotorula sp.
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Affiliation(s)
- Cassamo U Mussagy
- Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota, Chile.
| | - Helena F Ribeiro
- Department of Chemical Engineering, University of Coimbra, CIEPQPF, Coimbra, Portugal
| | - Jorge F B Pereira
- Department of Chemical Engineering, University of Coimbra, CIEPQPF, Coimbra, Portugal
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Su Q, Cheng P, Sun J, Zhang Y, Zheng Y, Jiang XR, Rao X. Engineering a mevalonate pathway in Halomonas bluephagenesis for the production of lycopene. Front Microbiol 2023; 13:1100745. [PMID: 36726563 PMCID: PMC9885113 DOI: 10.3389/fmicb.2022.1100745] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 12/31/2022] [Indexed: 01/18/2023] Open
Abstract
Introduction Red-colored lycopene has received remarkable attention in medicine because of its antioxidant properties for reducing the risks of many human cancers. However, the extraction of lycopene from natural hosts is limited. Moreover, the chemically synthesized lycopene raises safety concerns due to residual chemical reagents. Halomonas bluephagenesis is a versatile chassis for the production of fine chemicals because of its open growth property without sterilization. Methods A heterologous mevalonate (MVA) pathway was introduced into H. bluephagenesis strain TD1.0 to engineer a bacterial host for lycopene production. A pTer7 plasmid mediating the expression of six MVA pathway genes under the control of a phage PMmp1 and an Escherichia coli Ptrc promoters and a pTer3 plasmid providing lycopene biosynthesis downstream genes derived from Streptomyces avermitilis were constructed and transformed into TD1.0. The production of lycopene in the engineered H. bluephagenesis was evaluated. Optimization of engineered bacteria was performed to increase lycopene yield. Results The engineered TD1.0/pTer7-pTer3 produced lycopene at a maximum yield of 0.20 mg/g dried cell weight (DCW). Replacing downstream genes with those from S. lividans elevated the lycopene production to 0.70 mg/g DCW in the TD1.0/pTer7-pTer5 strain. Optimizing the PMmp1 promoter in plasmid pTer7 with a relatively weak Ptrc even increased the lycopene production to 1.22 mg/g DCW. However, the change in the Ptrc promoter in pTer7 with PMmp1 did not improve the yield of lycopene. Conclusion We first engineered an H. bluephagenesis for the lycopene production. The co-optimization of downstream genes and promoters governing MVA pathway gene expressions can synergistically enhance the microbial overproduction of lycopene.
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Affiliation(s)
- Qixuan Su
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
| | - Ping Cheng
- Department of Microbiology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing, China
| | - Jiyuan Sun
- Department of Microbiology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yulin Zhang
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
| | - Yang Zheng
- Department of Microbiology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing, China
| | - Xiao-Ran Jiang
- Department of Microbiology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing, China,*Correspondence: Xiao-Ran Jiang,
| | - Xiancai Rao
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China,Department of Microbiology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing, China,Xiancai Rao,
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Li S, Zhang Z, Liu FL, Yuan BF, Liu TG, Feng YQ. Comprehensive Profiling of Phosphomonoester Metabolites in Saccharomyces cerevisiae by the Chemical Isotope Labeling-LC-MS Method. J Proteome Res 2023; 22:114-122. [PMID: 36484485 DOI: 10.1021/acs.jproteome.2c00507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Phosphomonoesters are important biosynthetic and energy metabolism intermediates in microorganisms. A comprehensive analysis of phosphomonoester metabolites is of great significance for the understanding of their metabolic phosphorylation process and inner mechanism. In this study, we established a pair of isotope reagent d0/d5-2-diazomethyl-N-methyl-phenyl benzamide-labeling-based LC-MS method for the comprehensive analysis of phosphomonoester metabolites. By this method, the labeled phosphomonoester metabolites specifically produced characteristic isotope paired peaks with an m/z difference of 5.0314 in the MS1 spectra and a pair of diagnostic ions (m/z 320.0693/325.1077) in the MS2 spectra. Based on this, a diagnostic ion-based strategy was established for the rapid screening, identification, and relative quantification of phosphomonoester metabolites. Using this strategy, 42 phosphomonoester metabolites were highly accurately identified fromSaccharomyces cerevisiae (S. cerevisiae). Notably, two phosphomonoesters were first detected fromS. cerevisiae. The relative quantification results indicated that the contents of nine phosphomonoester metabolites including two intermediates (Ru5P and S7P) in the pentose phosphate pathway (PPP) were significantly different between lycopene-producible and wild-type S. cerevisiae. A further enzyme assay indicated that the activity of the PPP was closely related to the production of lycopene. Our findings provide new perspectives for the related mechanism study and valuable references for making informed microbial engineering decisions.
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Affiliation(s)
- Sha Li
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Zheng Zhang
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Fei-Long Liu
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Bi-Feng Yuan
- School of Public Health, Wuhan University, Wuhan 430071, China
| | - Tian-Gang Liu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Yu-Qi Feng
- Department of Chemistry, Wuhan University, Wuhan 430072, China.,School of Public Health, Wuhan University, Wuhan 430071, China
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Jing Y, Wang Y, Zhou D, Wang J, Li J, Sun J, Feng Y, Xin F, Zhang W. Advances in the synthesis of three typical tetraterpenoids including β-carotene, lycopene and astaxanthin. Biotechnol Adv 2022; 61:108033. [PMID: 36096404 DOI: 10.1016/j.biotechadv.2022.108033] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 08/05/2022] [Accepted: 09/05/2022] [Indexed: 11/18/2022]
Abstract
Carotenoids are natural pigments that widely exist in nature. Due to their excellent antioxidant, anticancer and anti-inflammatory properties, carotenoids are commonly used in food, medicine, cosmetic and other fields. At present, natural carotenoids are mainly extracted from plants, algae and microorganisms. With the rapid development of metabolic engineering and molecular biology as well as the continuous in-depth study of carotenoids synthesis pathways, industrial microorganisms have showed promising applications in the synthesis of carotenoids. In this review, we introduced the properties of several carotenoids and their biosynthetic metabolism process. Then, the microorganisms synthesizing carotenoids through the natural and non-natural pathways and the extraction methods of carotenoids were summarized and compared. Meanwhile, the influence of substrates on the carotenoids production was also listed. The methods and strategies for achieving high carotenoid production are categorized to help with future research.
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Affiliation(s)
- Yiwen Jing
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, PR China
| | - Yanxia Wang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211800, PR China
| | - Dawei Zhou
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, PR China
| | - Jingnan Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, PR China
| | - Jiawen Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, PR China
| | - Jingxiang Sun
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, PR China
| | - Yifan Feng
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, PR China
| | - Fengxue Xin
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, PR China; Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211800, PR China.
| | - Wenming Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, PR China; Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211800, PR China.
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Su B, Lai P, Yang F, Li A, Deng MR, Zhu H. Engineering a Balanced Acetyl Coenzyme A Metabolism in Saccharomyces cerevisiae for Lycopene Production through Rational and Evolutionary Engineering. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:4019-4029. [PMID: 35319878 DOI: 10.1021/acs.jafc.2c00531] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Saccharomyces cerevisiae is increasingly being used for the production of chemicals derived from acetyl coenzyme A (acetyl-CoA). However, the inadequate supply of cytosolic acetyl-CoA often leads to low yields. Here, we developed a novel strategy for balancing acetyl-CoA metabolism and increasing the amount of the downstream product. First, the combination of acetaldehyde dehydrogenase (eutE) and acetoacetyl-CoA thiolase (AtoB) was optimized to redirect the acetyl-CoA flux toward the target pathway, with a 21-fold improvement in mevalonic acid production. Second, pathway engineering and evolutionary engineering were conducted to attenuate the growth deficiency, and a 10-fold improvement of the maximum productivity was achieved. Third, acetyl-CoA carboxylase (ACC1) was dynamically downregulated as the complementary acetyl-CoA pathway, and the yield was improved more than twofold. Fourth, the most efficient and complementary acetyl-CoA pathways were combined, and the final strain produced 68 mg/g CDW lycopene, which was among the highest yields reported in S. cerevisiae. This study demonstrates a new method of producing lycopene products by regulating acetyl-CoA metabolism.
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Affiliation(s)
- Buli Su
- Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Peixuan Lai
- Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Fan Yang
- Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Anzhang Li
- Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Ming-Rong Deng
- Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Honghui Zhu
- Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
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Strategies to meet the global demand for natural food colorant bixin: A multidisciplinary approach. J Biotechnol 2021; 338:40-51. [PMID: 34271054 DOI: 10.1016/j.jbiotec.2021.07.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 06/02/2021] [Accepted: 07/09/2021] [Indexed: 11/23/2022]
Abstract
Bixin is an apocarotenoid derived from Bixa orellana L. well known as a food colorant along with its numerous industrial and therapeutic applications. With the current surge in usage of natural products, bixin has contributed immensely to the world carotenoid market and showcases a spike in its requirement globally. To bridge the gap between bixin availability and utility, owed to its bioactivity and demand as a colouring agent in industries the sustainable production of bixin is critical. Therefore, to meet up this challenge effective use of multidisciplinary strategies is a promising choice to enhance bixin quantity and quality. Here we report, an optimal blend of approaches directed towards manipulation of bixin biosynthesis pathway with an insight into the impact of regulatory mechanisms and environmental dynamics, engineering carotenoid degradation in plants other than annatto, usage of tissue culture techniques supported with diverse elicitations, molecular breeding, application of in silico predictive tools, screening of microbial bio-factories as alternatives, preservation of bixin bioavailability, and promotion of eco-friendly extraction techniques to play a collaborative role in promoting sustainable bixin production.
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Carotenoids produced by the deep-sea bacterium Erythrobacter citreus LAMA 915: detection and proposal of their biosynthetic pathway. Folia Microbiol (Praha) 2021; 66:441-456. [PMID: 33723710 DOI: 10.1007/s12223-021-00858-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/24/2021] [Indexed: 10/21/2022]
Abstract
Technologies based on synthetic biology to produce bacterial natural carotenoids depend on information regarding their biosynthesis. Although the biosynthetic pathway of common carotenoids is known, there are carotenoids whose pathways are not completely described. This work aimed to mine the genome of the deep-sea bacterium Erythrobacter citreus LAMA 915, an uncommon bacterium that forms yellow colonies under cultivation. This work further explores the potential application of the carotenoids found and low-cost substrates for bacterial growth. A combined approach of genome mining and untargeted metabolomics analysis was applied. The carotenoid erythroxanthin sulfate was detected in E. citreus LAMA 915 cell extract. A proposal for carotenoid biosynthesis by this bacterium is provided, involving the genes crtBIYZWG. These are responsible for the biosynthesis of carotenoids from the zeaxanthin pathway and their 2,2'-hydroxylated derivatives. E. citreus LAMA 915 extracts showed antioxidant and sun protection effects. Based on the high content of proteases and lipases, it was possible to rationally select substrates for bacterial growth, with residual oil from fish processing the best low-cost substrate selected. This work advances in the understanding of carotenoid biosynthesis and provides a genetic basis that can be further explored as a biotechnological route for carotenoid production.
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Jing Y, Guo F, Zhang S, Dong W, Zhou J, Xin F, Zhang W, Jiang M. Recent Advances on Biological Synthesis of Lycopene by Using Industrial Yeast. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c05228] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yiwen Jing
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, P. R. China
| | - Feng Guo
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, P. R. China
| | - Shangjie Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, P. R. China
| | - Weiliang Dong
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, P. R. China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211800, P. R. China
| | - Jie Zhou
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, P. R. China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211800, P. R. China
| | - Fengxue Xin
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, P. R. China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211800, P. R. China
| | - Wenming Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, P. R. China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211800, P. R. China
| | - Min Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, P. R. China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211800, P. R. China
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Pathway engineering of Saccharomyces cerevisiae for efficient lycopene production. Bioprocess Biosyst Eng 2021; 44:1033-1047. [PMID: 33486569 DOI: 10.1007/s00449-020-02503-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 12/25/2020] [Indexed: 10/22/2022]
Abstract
To construct a Saccharomyces cerevisiae strain for efficient lycopene production, we used a pathway engineering strategy based on expression modules comprising fusion proteins and a strong constitutive promoter. The two recombinant plasmids pEBI encoding the fusion genes with an inducible promoter, as well as pIETB with a constitutive promoter and terminator were introduced into S. cerevisiae YPH499 and BY4741 to obtain the four recombinant strains ypEBI, ypIETB, byEBI and byIETB. The lycopene production and the transcription levels of key genes were higher in the BY4741 chassis than in YPH499. Accordingly, the content of total and unsaturated fatty acids was also higher in BY4741, which also exhibited a decrease of glucose, increase of trehalose, increase of metabolite in citrate cycle, and low levels of amino acids. These changes rerouted metabolic fluxes toward lycopene synthesis, indicating that the BY4741 chassis was more suitable for lycopene synthesis. The lycopene content of bpIETB in SG-Leu medium supplemented with 100 mg/L of linolenic acid reached 10.12 mg/g dry cell weight (DCW), which was 85.7% higher than without the addition of unsaturated fatty acids. The constitutive promoter expression strategy employed in this study achieved efficient lycopene synthesis in S. cerevisiae, and the strain bpIETB was obtained a suitable chassis host for lycopene production, which provides a basis for further optimization of lycopene production in artificial synthetic cells and a reference for the multi-enzyme synthesis of other similar complex terpenoids.
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Transcriptome Analysis Reveals a Promotion of Carotenoid Production by Copper Ions in Recombinant Saccharomyces cerevisiae. Microorganisms 2021; 9:microorganisms9020233. [PMID: 33498600 PMCID: PMC7912134 DOI: 10.3390/microorganisms9020233] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/08/2021] [Accepted: 01/08/2021] [Indexed: 12/27/2022] Open
Abstract
We previously constructed a Saccharomyces cerevisiae carotenoid producer BL03-D-4 which produced much more carotenoid in YPM (modified YPD) media than YPD media. In this study, the impacts of nutritional components on carotenoid accumulation of BL03-D-4 were investigated. When using YPM media, the carotenoid yield was increased 10-fold compared to using the YPD media. To elucidate the hidden mechanism, a transcriptome analysis was performed and showed that 464 genes changed significantly in YPM media. Furthermore, inspired by the differential gene expression analysis which indicated that ADY2, HES1, and CUP1 showed the most remarkable changes, we found that the improvement of carotenoid accumulation in YPM media was mainly due to the copper ions, since supplementation of 0.08 mM CuSO4 in YPD media could increase carotenoid yield 9.2-fold. Reverse engineering of target genes was performed and carotenoid yield could be increased 6.4-fold in YPD media through overexpression of ACE1. The present study revealed for the first time the prominent promotion of carotenoid yield by copper ions in engineered S. cerevisiae and provided a new target ACE1 for genetic engineering of S. cerevisiae for the bioproduction of carotenoids.
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Zhang Y, Chiu TY, Zhang JT, Wang SJ, Wang SW, Liu LY, Ping Z, Wang Y, Chen A, Zhang WW, Chen T, Wang Y, Shen Y. Systematical Engineering of Synthetic Yeast for Enhanced Production of Lycopene. Bioengineering (Basel) 2021; 8:bioengineering8010014. [PMID: 33477926 PMCID: PMC7833358 DOI: 10.3390/bioengineering8010014] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 01/15/2021] [Accepted: 01/16/2021] [Indexed: 11/16/2022] Open
Abstract
Synthetic biology allows the re-engineering of biological systems and promotes the development of bioengineering to a whole new level, showing great potential in biomanufacturing. Here, in order to make the heterologous lycopene biosynthesis pathway compatible with the host strain YSy 200, we evolved YSy200 using a unique Synthetic Chromosome Rearrangement and Modification by LoxP-mediated Evolution (SCRaMbLE) system that is built in the Sc2.0 synthetic yeast. By inducing SCRaMbLE, we successfully identified a host strain YSy201 that can be served as a suitable host to maintain the heterologous lycopene biosynthesis pathway. Then, we optimized the lycopene biosynthesis pathway and further integrated into the rDNA arrays of YSy201 to increase its copy number. In combination with culturing condition optimization, we successfully screened out the final yeast strain YSy222, which showed a 129.5-fold increase of lycopene yield in comparison with its parental strain. Our work shows that, the strategy of combining the engineering efforts on both the lycopene biosynthesis pathway and the host strain can improve the compatibility between the heterologous pathway and the host strain, which can further effectively increase the yield of the target product.
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Affiliation(s)
- Yu Zhang
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen 518083, China;
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
- Guangdong Provincial Key Laboratory of Genome Read and Write, BGI-Shenzhen, Shenzhen 518120, China; (J.-T.Z.); (T.C.)
| | - Tsan-Yu Chiu
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
- Guangdong Provincial Academician Workstation of BGI Synthetic Genomics, BGI-Shenzhen, Shenzhen 518120, China
| | - Jin-Tao Zhang
- Guangdong Provincial Key Laboratory of Genome Read and Write, BGI-Shenzhen, Shenzhen 518120, China; (J.-T.Z.); (T.C.)
- China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen 518120, China
| | - Shu-Jie Wang
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
- Guangdong Provincial Academician Workstation of BGI Synthetic Genomics, BGI-Shenzhen, Shenzhen 518120, China
| | - Shu-Wen Wang
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
| | - Long-Ying Liu
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
| | - Zhi Ping
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
- Guangdong Provincial Academician Workstation of BGI Synthetic Genomics, BGI-Shenzhen, Shenzhen 518120, China
- Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518000, China
| | - Yong Wang
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
- Guangdong Provincial Key Laboratory of Genome Read and Write, BGI-Shenzhen, Shenzhen 518120, China; (J.-T.Z.); (T.C.)
| | - Ao Chen
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
- Guangdong Provincial Key Laboratory of Genome Read and Write, BGI-Shenzhen, Shenzhen 518120, China; (J.-T.Z.); (T.C.)
| | - Wen-Wei Zhang
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
- Guangdong Provincial Key Laboratory of Genome Read and Write, BGI-Shenzhen, Shenzhen 518120, China; (J.-T.Z.); (T.C.)
| | - Tai Chen
- Guangdong Provincial Key Laboratory of Genome Read and Write, BGI-Shenzhen, Shenzhen 518120, China; (J.-T.Z.); (T.C.)
- China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen 518120, China
| | - Yun Wang
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
- Guangdong Provincial Key Laboratory of Genome Read and Write, BGI-Shenzhen, Shenzhen 518120, China; (J.-T.Z.); (T.C.)
| | - Yue Shen
- BGI-Shenzhen, Beishan Industrial Zone, Shenzhen 518083, China; (T.-Y.C.); (S.-J.W.); (S.-W.W.); (L.-Y.L.); (Z.P.); (Y.W.); (A.C.); (W.-W.Z.); (Y.W.)
- Guangdong Provincial Key Laboratory of Genome Read and Write, BGI-Shenzhen, Shenzhen 518120, China; (J.-T.Z.); (T.C.)
- China National GeneBank, BGI-Shenzhen, Jinsha Road, Shenzhen 518120, China
- Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518000, China
- Correspondence:
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15
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Kang CK, Yang JE, Park, HW, Choi YJ. Enhanced Lycopene Production by UV-C Irradiation in Radiation-Resistant Deinococcus radiodurans R1. J Microbiol Biotechnol 2020; 30:1937-1943. [PMID: 33046679 PMCID: PMC9728254 DOI: 10.4014/jmb.2009.09013] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 09/25/2020] [Accepted: 10/04/2020] [Indexed: 12/15/2022]
Abstract
Although classical metabolic engineering strategies have succeeded in developing microbial strains capable of producing desired bioproducts, metabolic imbalance resulting from extensive genetic manipulation often leads to decreased productivity. Thus, abiotic strategies for improving microbial production performance can be an alternative to overcome drawbacks arising from intensive metabolic engineering. Herein, we report a promising abiotic method for enhancing lycopene production by UV-C irradiation using a radiation-resistant ΔcrtLm/crtB+dxs+ Deinococcus radiodurans R1 strain. First, the onset of UV irradiation was determined through analysis of the expression of 11 genes mainly involved in the carotenoid biosynthetic pathway in the ΔcrtLm/crtB+dxs+ D. radiodurans R1 strain. Second, the effects of different UV wavelengths (UV-A, UV-B, and UV-C) on lycopene production were investigated. UV-C irradiation induced the highest production, resulting in a 69.9% increase in lycopene content [64.2 ± 3.2 mg/g dry cell weight (DCW)]. Extended UV-C irradiation further enhanced lycopene content up to 73.9 ± 2.3 mg/g DCW, a 95.5% increase compared to production without UV-C irradiation (37.8 ± 0.7 mg/g DCW).
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Affiliation(s)
- Chang Keun Kang
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Jung Eun Yang
- Department of Advanced Process Technology and Fermentation, World Institute of Kimchi, Gwangju 61755, Republic of Korea
| | - Hae Woong Park,
- Department of Advanced Process Technology and Fermentation, World Institute of Kimchi, Gwangju 61755, Republic of Korea,Corresponding authors H.W.Park Phone: +82-62-610-1728 Fax: +82-62-610-1850
| | - Yong Jun Choi
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea,Y.J.Choi Phone: +82-2-6490-2873 Fax: +82-2-6490-2859
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16
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Li L, Liu Z, Jiang H, Mao X. Biotechnological production of lycopene by microorganisms. Appl Microbiol Biotechnol 2020; 104:10307-10324. [PMID: 33097966 DOI: 10.1007/s00253-020-10967-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/13/2020] [Accepted: 10/18/2020] [Indexed: 12/16/2022]
Abstract
Lycopene is a dark red carotenoid belonging to C40 terpenoids and is widely found in a variety of plants, especially ripe red fruits and vegetables. Lycopene has been shown to reduce the risk of prostate cancer, other cancers, and cardiovascular disease. It is one of the most widely used carotenoids in the healthcare product market. Currently, commercially available lycopene is mainly extracted from tomatoes. However, production of lycopene from plants is costly and environmentally unfriendly. To date, there have been many reports on the biosynthesis of lycopene by microorganisms, providing another route for lycopene production. This review discusses the lycopene biosynthetic pathway and natural and engineered lycopene-accumulating microorganisms, as well as their production of lycopene. The effects of different metabolic engineering strategies on lycopene accumulation are also considered. Furthermore, this work presents perspectives concerning the microbial production of lycopene, especially trends to construct microbial cell factories for lycopene production. KEY POINTS: • Recent achievements in the lycopene biosynthesis in microorganisms. • Review of lycopene biosynthetic metabolism engineering strategy. • Discuss the current challenges and prospects of using microorganisms to produce lycopene.
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Affiliation(s)
- Lei Li
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China
| | - Zhen Liu
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China.
| | - Hong Jiang
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China
| | - Xiangzhao Mao
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China. .,Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
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Wang Z, Sun J, Yang Q, Yang J. Metabolic Engineering Escherichia coli for the Production of Lycopene. Molecules 2020; 25:molecules25143136. [PMID: 32659911 PMCID: PMC7397254 DOI: 10.3390/molecules25143136] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/02/2020] [Accepted: 07/08/2020] [Indexed: 12/25/2022] Open
Abstract
Lycopene, a potent antioxidant, has been widely used in the fields of pharmaceuticals, nutraceuticals, and cosmetics. However, the production of lycopene extracted from natural sources is far from meeting the demand. Consequently, synthetic biology and metabolic engineering have been employed to develop microbial cell factories for lycopene production. Due to the advantages of rapid growth, complete genetic background, and a reliable genetic operation technique, Escherichia coli has become the preferred host cell for microbial biochemicals production. In this review, the recent advances in biological lycopene production using engineered E. coli strains are summarized: First, modification of the endogenous MEP pathway and introduction of the heterogeneous MVA pathway for lycopene production are outlined. Second, the common challenges and strategies for lycopene biosynthesis are also presented, such as the optimization of other metabolic pathways, modulation of regulatory networks, and optimization of auxiliary carbon sources and the fermentation process. Finally, the future prospects for the improvement of lycopene biosynthesis are also discussed.
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Affiliation(s)
- Zhaobao Wang
- Energy-Rich Compounds Production by Photosynthetic Carbon Fixation Research Center, Shandong Key Lab of Applied Mycology, College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China;
| | - JingXin Sun
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China;
| | - Qun Yang
- Energy-Rich Compounds Production by Photosynthetic Carbon Fixation Research Center, Shandong Key Lab of Applied Mycology, College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China;
- Correspondence: (Q.Y.); (J.Y.); Tel.: +86-131-4543-1413 (Q.Y.); +86-135-8938-5827 (J.Y.); Fax: +86-532-589-57640 (J.Y.)
| | - Jianming Yang
- Energy-Rich Compounds Production by Photosynthetic Carbon Fixation Research Center, Shandong Key Lab of Applied Mycology, College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China;
- Correspondence: (Q.Y.); (J.Y.); Tel.: +86-131-4543-1413 (Q.Y.); +86-135-8938-5827 (J.Y.); Fax: +86-532-589-57640 (J.Y.)
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18
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Lycopene in protection against obesity and diabetes: A mechanistic review. Pharmacol Res 2020; 159:104966. [PMID: 32535223 DOI: 10.1016/j.phrs.2020.104966] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 05/24/2020] [Accepted: 05/25/2020] [Indexed: 12/14/2022]
Abstract
Lycopene, a natural pigment that mainly exists in the mature fruit of tomatoes, has gained increasing attention due to its protective effects against obesity and diabetes. The aim of this review is to summarize the potential mechanisms in which lycopene exerts protection against obesity and diabetes, along with highlighting its bioavailability, synthesis and safety. Literature sources used in this review were from the PubMed Database, China Knowledge Resource Integrated Database, China Science and Technology Journal Database, National Science and Technology Library, Wanfang Data, and the Web of Science. For the inquiries, keywords such as lycopene, properties, synthesis, diabetes, obesity, and safety were used in various combinations. About 200 articles and reviews were evaluated. Lycopene exhibits anti-obesity and anti-diabetic activities in different organs and/or tissues, including adipose tissue, liver, kidney, pancreas, brain, ovaries, intestine, and eyes. The underlying mechanism may be attributed to its anti-oxidant and anti-inflammatory properties and through its ability to regulate of AGE/RAGE, JNK/MAPK, PI3K/Akt, SIRT1/FoxO1/PPARγ signaling pathways and AchE activity. The epidemiological investigations support that lycopene consumption may contribute to lowering the risk of obesity and diabetes. The cis-isomers of lycopene are more bioavailable and better absorbed than trans-lycopene, and mainly distribute in liver and adipose tissue. Lycopene exhibits a good margin of safety and can be obtained by plant extraction, chemical synthesis and microbial fermentation. In summary, lycopene consumption beneficially contributes to protecting against diabetes and obesity in animal studies and epidemiological investigations, which supports the potential of this compound as a preventive/therapeutic agent against these disorders. Well-designed, prospective clinical studies are warranted to evaluate the potential therapeutic effect of lycopene against common metabolic diseases.
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Xu X, Tian L, Tang S, Xie C, Xu J, Jiang L. Design and tailoring of an artificial DNA scaffolding system for efficient lycopene synthesis using zinc-finger-guided assembly. J Ind Microbiol Biotechnol 2019; 47:209-222. [PMID: 31853777 DOI: 10.1007/s10295-019-02255-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 11/30/2019] [Indexed: 01/03/2023]
Abstract
A highly efficient lycopene production system was constructed by assembling enzymes fused to zinc-finger motifs on DNA scaffolds in vitro and in vivo. Three key enzymes of the lycopene synthesis pathway, geranylgeranyl diphosphate synthase, phytoene synthase, and phytoene desaturase, were fused with zinc-finger proteins, expressed and purified. Recombinant plasmids of the pS series containing DNA scaffolds that the zinc-finger proteins can specifically bind to were constructed. In the in vitro system, the production efficiency of lycopene was improved greatly after the addition of the scaffold plasmid pS231. Subsequently, the plasmid pET-AEBI was constructed and introduced into recombinant Escherichia coli BL21 (DE3) for expression, together with plasmids of the pS series. The lycopene production rate and content of the recombinant strain pp231 were higher than that of all strains carrying the DNA scaffold and the control. With the addition of cofactors and substrates in the lycopene biosynthesis pathway, the lycopene yield of pp231 reached 632.49 mg/L at 40 h, representing a 4.7-fold increase compared to the original recombinant strain pA1A3. This DNA scaffold system can be used as a platform for the construction and production of many biochemicals synthesized via multi-enzyme cascade reactions.
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Affiliation(s)
- Xian Xu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210046, Jiangsu Province, China
| | - Liqing Tian
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, Jiangsu Province, China
| | - Susu Tang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu Province, China
| | - Chengjia Xie
- School of Chemical Engineering, Yangzhou Polytechnic Institute, Yangzhou, 225127, Jiangsu Province, China
| | - Jiali Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, Jiangsu Province, China
| | - Ling Jiang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, Jiangsu Province, China.
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20
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Shi B, Ma T, Ye Z, Li X, Huang Y, Zhou Z, Ding Y, Deng Z, Liu T. Systematic Metabolic Engineering of Saccharomyces cerevisiae for Lycopene Overproduction. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:11148-11157. [PMID: 31532654 DOI: 10.1021/acs.jafc.9b04519] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Lycopene is widely used in foods, cosmetics, nutritional supplements, and pharmaceuticals. Microbial production of lycopene has been intensively studied. However, there are few systematic engineering studies on Saccharomyces cerevisiae aimed at achieving high-yield lycopene production. In the current study, by employing a systematic optimization strategy, we screened the key lycopene biosynthetic genes, crtE, crtB, and crtI, from diverse organisms. By adjusting the copy number of these three key genes, knocking out endogenous bypass genes, increasing the supply of the precursor acetyl-CoA, balancing NADPH utilization, and regulating the GAL-inducible system, we constructed a high-yield lycopene-producing strain BS106, which can produce 310 mg/L lycopene in shake-flask fermentation, with gene expression controlled by glucose. In optimized two-stage fed-batch fermentation, BS106 produced 3.28 g/L lycopene in a 7 L fermenter, which is the highest concentration achieved in S. cerevisiae to date. It will decrease the consumption of tomatoes for lycopene extraction and increase the market supply of lycopene.
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Affiliation(s)
- Bin Shi
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan 430072 , China
| | - Tian Ma
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan 430072 , China
| | - Ziling Ye
- J1 Biotech Co., Ltd. , Wuhan 430075 , China
| | - Xiaowei Li
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan 430072 , China
| | - Yanglei Huang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan 430072 , China
| | - Zhiyi Zhou
- J1 Biotech Co., Ltd. , Wuhan 430075 , China
| | - Yunkun Ding
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan 430072 , China
| | - Zixin Deng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan 430072 , China
| | - Tiangang Liu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan 430072 , China
- Hubei Engineering Laboratory for Synthetic Microbiology , Wuhan Institute of Biotechnology , Wuhan 430075 , China
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21
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Qu J, Cao S, Wei Q, Zhang H, Wang R, Kang W, Ma T, Zhang L, Liu T, Wing-Ngor Au S, Sun F, Xia J. Synthetic Multienzyme Complexes, Catalytic Nanomachineries for Cascade Biosynthesis In Vivo. ACS NANO 2019; 13:9895-9906. [PMID: 31356751 DOI: 10.1021/acsnano.9b03631] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Multienzyme complexes, or metabolons, are assemblies or clusters of sequential enzymes that naturally exist in metabolic pathways. These nanomachineries catalyze the conversion of metabolites more effectively than the freely floating enzymes by minimizing the diffusion of intermediates in vivo. Bioengineers have devised synthetic versions of multienzyme complexes in cells to synergize heterologous biosynthesis, to improve intracellular metabolic flux, and to achieve higher titer of valuable chemical products. Here, we utilized orthogonal protein reactions (SpyCatcher/SpyTag and SnoopCatcher/SnoopTag pairs) to covalently assemble three key enzymes in the mevalonate biosynthesis pathway and showed 5-fold increase of lycopene and 2-fold increase of astaxanthin production in Escherichia coli. The multienzyme complexes are ellipsoidal nanostructures with hollow interior space and uniform thickness and shapes. Intracellular covalent enzyme assembly has yielded catalytic nanomachineries that drastically enlarged the flux of carotenoid biosynthesis in vivo. These studies also deepened our understanding on the complexity of hierarchical enzyme assembly in vivo.
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Affiliation(s)
| | | | | | | | - Rui Wang
- Department of Biomedical Sciences , City University of Hong Kong , Kowloon , Hong Kong SAR, China
| | | | - Tian Ma
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan 430071 , China
| | - Liang Zhang
- Department of Biomedical Sciences , City University of Hong Kong , Kowloon , Hong Kong SAR, China
| | - Tiangang Liu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan 430071 , China
| | | | - Fei Sun
- Center for Biological Imaging, Core Facilities for Protein Science, Institute of Biophysics, CAS, Beijing, China; University of Chinese Academy of Sciences, Beijing, China;National Key Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics , Chinese Academy of Sciences , Beijing 100101 , China
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22
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Moser S, Pichler H. Identifying and engineering the ideal microbial terpenoid production host. Appl Microbiol Biotechnol 2019; 103:5501-5516. [PMID: 31129740 PMCID: PMC6597603 DOI: 10.1007/s00253-019-09892-y] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/03/2019] [Accepted: 05/06/2019] [Indexed: 12/11/2022]
Abstract
More than 70,000 different terpenoid structures are known so far; many of them offer highly interesting applications as pharmaceuticals, flavors and fragrances, or biofuels. Extraction of these compounds from their natural sources or chemical synthesis is-in many cases-technically challenging with low or moderate yields while wasting valuable resources. Microbial production of terpenoids offers a sustainable and environment-friendly alternative starting from simple carbon sources and, frequently, safeguards high product specificity. Here, we provide an overview on employing recombinant bacteria and yeasts for heterologous de novo production of terpenoids. Currently, Escherichia coli and Saccharomyces cerevisiae are the two best-established production hosts for terpenoids. An increasing number of studies have been successful in engineering alternative microorganisms for terpenoid biosynthesis, which we intend to highlight in this review. Moreover, we discuss the specific engineering challenges as well as recent advances for microbial production of different classes of terpenoids. Rationalizing the current stages of development for different terpenoid production hosts as well as future prospects shall provide a valuable decision basis for the selection and engineering of the cell factory(ies) for industrial production of terpenoid target molecules.
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Affiliation(s)
- Sandra Moser
- Austrian Centre of Industrial Biotechnology (acib GmbH), Petersgasse 14, 8010, Graz, Austria
- Institute of Molecular Biotechnology, NAWI Graz, BioTechMed Graz, Graz University of Technology, Petersgasse 14/2, 8010, Graz, Austria
| | - Harald Pichler
- Austrian Centre of Industrial Biotechnology (acib GmbH), Petersgasse 14, 8010, Graz, Austria.
- Institute of Molecular Biotechnology, NAWI Graz, BioTechMed Graz, Graz University of Technology, Petersgasse 14/2, 8010, Graz, Austria.
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Peyrat LA, Tsafantakis N, Georgousaki K, Ouazzani J, Genilloud O, Trougakos IP, Fokialakis N. Terrestrial Microorganisms: Cell Factories of Bioactive Molecules with Skin Protecting Applications. Molecules 2019; 24:E1836. [PMID: 31086077 PMCID: PMC6539289 DOI: 10.3390/molecules24091836] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 04/18/2019] [Accepted: 04/23/2019] [Indexed: 11/23/2022] Open
Abstract
It is well known that terrestrial environments host an immense microbial biodiversity. Exposed to different types of stress, such as UV radiation, temperature fluctuations, water availability and the inter- / intra-specific competition for resources, terrestrial microorganisms have been evolved to produce a large spectrum of bioactive molecules. Bacteria, archaea, protists, fungi and algae have shown a high potential of producing biomolecules for pharmaceutical or other industrial purposes as they combine a sustainable, relatively low-cost and fast-production process. Herein, we provide an overview of the different bioactive molecules produced by terrestrial microorganisms with skin protecting applications. The high content in polyphenolic and carotenoid compounds produced by several strains, as well as the presence of exopolysaccharides, melanins, indole and pyrrole derivatives, mycosporines, carboxylic acids and other molecules, are discussed in the context of their antioxidant, photo-protective and skin-whitening activity. Relevant biotechnological tools developed for the enhanced production of high added value natural products, as well as the protecting effect of some antioxidant, hydrolytic and degrading enzymes are also discussed. Furthermore, we describe classes of microbial compounds that are used or have the potential to be used as antimicrobials, moisturizers, biosurfactants, pigments, flavorings and fragrances.
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Affiliation(s)
- Laure-Anne Peyrat
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, 15771 Athens, Greece.
| | - Nikolaos Tsafantakis
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, 15771 Athens, Greece.
| | - Katerina Georgousaki
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, 15771 Athens, Greece.
| | - Jamal Ouazzani
- Institut de Chimie des Substances Naturelles (ICSN), Centre National de la Recherche Scientifique, 91198 Gif-sur-Yvette, France.
| | | | - Ioannis P Trougakos
- Department of Cell Biology and Biophysics, Faculty of Biology, National and Kapodistrian University of Athens, 15784 Athens, Greece.
| | - Nikolas Fokialakis
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, 15771 Athens, Greece.
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Sohail M, Naveed A, Abdul R, Gulfishan, Muhammad Shoaib Khan H, Khan H. An approach to enhanced stability: Formulation and characterization of Solanum lycopersicum derived lycopene based topical emulgel. Saudi Pharm J 2018; 26:1170-1177. [PMID: 30532638 PMCID: PMC6263630 DOI: 10.1016/j.jsps.2018.07.005] [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: 03/08/2018] [Accepted: 07/19/2018] [Indexed: 10/30/2022] Open
Abstract
Focus of the study was to design a novel and cost effective extraction technique for the lycopene from Lycopersicum esculentum L. fruit and to develop and characterize a stable emulgel formulation containing lycopene as an active ingredient as well as to design an analytical method to determine lycopene concentration in emulgel. Emulgel formulation was prepared and evaluated for its stability at different storage conditions, 8 °C, 25 °C, 40 °C, 40 °C + 75% relative humidity (RH) and 50 °C, for 6 months. Results were statistically analyzed using two way ANOVA, Post-Hoc test and paired sample t-test at 5% significance level. Designed extraction technique presented comparable yield, 154.83 mg/Kg of tomato fruit, with all recoveries in the range of 145-156 mg/Kg of tomato. "P-values" calculated for different levels of stability parameters were <0.05, except at 50 °C and time points of 60th day and later. Analytical method designed was having linear range of lycopene 1-10 µg/mL with limit of detection 0.11 µg/mL and limit of quantification 0.34 µg/mL. All inter-day and intra-day recoveries were in the range of 94-105% while in all measurements RSD % was ≤5.36. It can be concluded that the extraction technique was cost effective with comparable results and analytical method was simple, robust, specific and sensitive enough to be used for lycopene concentration determination in emulgel formulation. Furthermore, designed formulation was stable even at high temperature of 40 °C and RH 75%.
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Affiliation(s)
- Muhammad Sohail
- Faculty of Pharmacy and Alternative Medicine, The Islamia University of Bahawalpur, Pakistan.,School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, PR China
| | - Akhtar Naveed
- Faculty of Pharmacy and Alternative Medicine, The Islamia University of Bahawalpur, Pakistan
| | - Rouf Abdul
- Faculty of Pharmacy and Alternative Medicine, The Islamia University of Bahawalpur, Pakistan
| | - Gulfishan
- Faculty of Pharmacy and Alternative Medicine, The Islamia University of Bahawalpur, Pakistan
| | | | - Hira Khan
- Department of Pharmaceutical Sciences, Abbottabad University of Science and Technology, Abbottabad, Pakistan
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25
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Wang X, He Q, Yang Y, Wang J, Haning K, Hu Y, Wu B, He M, Zhang Y, Bao J, Contreras LM, Yang S. Advances and prospects in metabolic engineering of Zymomonas mobilis. Metab Eng 2018; 50:57-73. [PMID: 29627506 DOI: 10.1016/j.ymben.2018.04.001] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/31/2018] [Accepted: 04/01/2018] [Indexed: 12/22/2022]
Abstract
Biorefinery of biomass-based biofuels and biochemicals by microorganisms is a competitive alternative of traditional petroleum refineries. Zymomonas mobilis is a natural ethanologen with many desirable characteristics, which makes it an ideal industrial microbial biocatalyst for commercial production of desirable bioproducts through metabolic engineering. In this review, we summarize the metabolic engineering progress achieved in Z. mobilis to expand its substrate and product ranges as well as to enhance its robustness against stressful conditions such as inhibitory compounds within the lignocellulosic hydrolysates and slurries. We also discuss a few metabolic engineering strategies that can be applied in Z. mobilis to further develop it as a robust workhorse for economic lignocellulosic bioproducts. In addition, we briefly review the progress of metabolic engineering in Z. mobilis related to the classical synthetic biology cycle of "Design-Build-Test-Learn", as well as the progress and potential to develop Z. mobilis as a model chassis for biorefinery practices in the synthetic biology era.
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Affiliation(s)
- Xia Wang
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources, Environmental Microbial Technology Center of Hubei Province, Hubei Key Laboratory of Industrial Biotechnology, College of Life Sciences, Hubei University, Wuhan 430062, China.
| | - Qiaoning He
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources, Environmental Microbial Technology Center of Hubei Province, Hubei Key Laboratory of Industrial Biotechnology, College of Life Sciences, Hubei University, Wuhan 430062, China.
| | - Yongfu Yang
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources, Environmental Microbial Technology Center of Hubei Province, Hubei Key Laboratory of Industrial Biotechnology, College of Life Sciences, Hubei University, Wuhan 430062, China.
| | - Jingwen Wang
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources, Environmental Microbial Technology Center of Hubei Province, Hubei Key Laboratory of Industrial Biotechnology, College of Life Sciences, Hubei University, Wuhan 430062, China.
| | - Katie Haning
- Institute for Cellular and Molecular Biology, Department of Chemical Engineering, Cockrell School of Engineering, University of Texas at Austin, Austin, TX, United States.
| | - Yun Hu
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources, Environmental Microbial Technology Center of Hubei Province, Hubei Key Laboratory of Industrial Biotechnology, College of Life Sciences, Hubei University, Wuhan 430062, China.
| | - Bo Wu
- Key Laboratory of Development and Application of Rural Renewable Energy, Biomass Energy Technology Research Centre, Biogas Institute of Ministry of Agriculture, South Renmin Road, Chengdu 610041, China.
| | - Mingxiong He
- Key Laboratory of Development and Application of Rural Renewable Energy, Biomass Energy Technology Research Centre, Biogas Institute of Ministry of Agriculture, South Renmin Road, Chengdu 610041, China.
| | - Yaoping Zhang
- DOE-Great Lakes Bioenergy Research Center (GLBRC), University of Wisconsin-Madison, Madison, WI, United States.
| | - Jie Bao
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Lydia M Contreras
- Institute for Cellular and Molecular Biology, Department of Chemical Engineering, Cockrell School of Engineering, University of Texas at Austin, Austin, TX, United States.
| | - Shihui Yang
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources, Environmental Microbial Technology Center of Hubei Province, Hubei Key Laboratory of Industrial Biotechnology, College of Life Sciences, Hubei University, Wuhan 430062, China.
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26
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Hua G, Hu Y, Yang C, Liu D, Mao Z, Zhang L, Zhang Y. Characterization of santalene synthases using an inorganic pyrophosphatase coupled colorimetric assay. Anal Biochem 2018; 547:26-36. [DOI: 10.1016/j.ab.2018.02.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 02/01/2018] [Accepted: 02/06/2018] [Indexed: 11/28/2022]
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Alcalde E, Fraser PD. Extending our tools and resources in the non-conventional industrial yeast Xanthophyllomyces dendrorhous through the application of metabolite profiling methodologies. Metabolomics 2018; 14:30. [PMID: 29479298 PMCID: PMC5809543 DOI: 10.1007/s11306-017-1313-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 12/22/2017] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Xanthophyllomyces dendrorhous is a non-conventional industrial yeast. It has the unique ability among yeasts to produce geranylgeranyl pyrophosphate derived terpenoids such as carotenoids and in particular the high value pigment astaxanthin. OBJECTIVE In order to fully exploit the industrial potential of Xanthophyllomyces using modern industrial biotechnology approaches the further development of "omic" resources in this organism are required to build on the now sequenced and annotated genome. To contribute to this goal, the present study has developed and implemented an efficient metabolite profiling system comprised of, quenching, extraction and associated GC-MS and UPLC analysis. METHOD Four quenching methods and five extraction methods compatible with GC-MS and UPLC profiling were tested and validated by analysing steady state metabolite changes of Xanthophyllomyces cultivated at laboratory scale in liquid shake culture at lag, exponential and early and late stationary phases. RESULTS A customised Automated Mass Spectral Deconvolution and Identification System (AMDIS) library has been created for Xanthophyllomyces, over 400 compounds are present in the library of which 78 are detected and quantified routinely in polar and non-polar derived extracts. A preliminary biochemical network has been constructed. Over a standardised laboratory growth cycle, changes in metabolite levels have been determined to create reference point for future strain improvement approaches and the initial biochemical network construction. Correlation analysis has illustrated that astaxanthin formation correlates positively with different sectors of intermediary metabolism (e.g. the TCA cycle intermediates and amino acid formation), "short" saturated fatty acids and β-carotene, while other metabolites are reduced in response to astaxanthin production. These sectors of intermediary metabolism offer potential future targets for the manipulation resulting in the generation of strains with improved titres of given terpenoids. DISCUSSION In summary a robust metabolite profiling system for Xanthophyllomyces is in place to further our understanding and potential exploitation of this underutilised industrial yeast.
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Affiliation(s)
- Eugenio Alcalde
- School Biological Sciences, Royal Holloway, University London, Egham Hill, Egham, Surrey TW20OEX UK
| | - Paul D. Fraser
- School Biological Sciences, Royal Holloway, University London, Egham Hill, Egham, Surrey TW20OEX UK
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28
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Abstract
Carotenoids relevance as natural pigments is mainly due to their uses as colorants, feed supplements, nutraceuticals and for medical, cosmetic, and biotechnological purposes. Since they have putative health beneficial effects, the demand and market of carotenoids are growing significantly. There is a diversity of natural and synthetic carotenoids, but only a few of them are commercially produced, including carotenes (β-carotene and lycopene) and xanthophylls (astaxanthin, canthaxanthin, lutein, zeaxanthin, and capsanthin). Some biotechnological processes for carotenoids production were established some years ago, but new strains and technologies are being developed nowadays for carotenoids widely in demand. This chapter shows a revision of the main carotenoids from a commercial point of view.
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Affiliation(s)
- Carlos Barreiro
- Instituto de Biotecnología de León (INBIOTEC), Parque Científico de León, León, Spain.
- Area of Microbiology, School of Health Studies, Campus de Ponferrada, University of León, Ponferrada, Spain.
| | - José-Luis Barredo
- Department of Biotechnology, Crystal Pharma, A Subsidiary of Albany Molecular Research Inc. (AMRI), Parque Tecnológico de León, León, Spain
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29
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Niu FX, Lu Q, Bu YF, Liu JZ. Metabolic engineering for the microbial production of isoprenoids: Carotenoids and isoprenoid-based biofuels. Synth Syst Biotechnol 2017; 2:167-175. [PMID: 29318197 PMCID: PMC5655344 DOI: 10.1016/j.synbio.2017.08.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 08/03/2017] [Accepted: 08/09/2017] [Indexed: 12/22/2022] Open
Abstract
Isoprenoids are the most abundant and highly diverse group of natural products. Many isoprenoids have been used for pharmaceuticals, nutraceuticals, flavors, cosmetics, food additives and biofuels. Carotenoids and isoprenoid-based biofuels are two classes of important isoprenoids. These isoprenoids have been produced microbially through metabolic engineering and synthetic biology efforts. Herein, we briefly review the engineered biosynthetic pathways in well-characterized microbial systems for the production of carotenoids and several isoprenoid-based biofuels.
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Affiliation(s)
- Fu-Xing Niu
- Biotechnology Research Center and Biomedical Center, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China.,South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Qian Lu
- Biotechnology Research Center and Biomedical Center, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China.,South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Yi-Fan Bu
- Biotechnology Research Center and Biomedical Center, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China.,South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Jian-Zhong Liu
- Biotechnology Research Center and Biomedical Center, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China.,South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
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30
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Moses T, Mehrshahi P, Smith AG, Goossens A. Synthetic biology approaches for the production of plant metabolites in unicellular organisms. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:4057-4074. [PMID: 28449101 DOI: 10.1093/jxb/erx119] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Synthetic biology is the repurposing of biological systems for novel objectives and applications. Through the co-ordinated and balanced expression of genes, both native and those introduced from other organisms, resources within an industrial chassis can be siphoned for the commercial production of high-value commodities. This developing interdisciplinary field has the potential to revolutionize natural product discovery from higher plants, by providing a diverse array of tools, technologies, and strategies for exploring the large chemically complex space of plant natural products using unicellular organisms. In this review, we emphasize the key features that influence the generation of biorefineries and highlight technologies and strategic solutions that can be used to overcome engineering pitfalls with rational design. Also presented is a succinct guide to assist the selection of unicellular chassis most suited for the engineering and subsequent production of the desired natural product, in order to meet the global demand for plant natural products in a safe and sustainable manner.
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Affiliation(s)
- Tessa Moses
- Ghent University, Department of Plant Biotechnology and Bioinformatics, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, 9052 Ghent, Belgium
| | - Payam Mehrshahi
- Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK
| | - Alison G Smith
- Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK
| | - Alain Goossens
- Ghent University, Department of Plant Biotechnology and Bioinformatics, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, 9052 Ghent, Belgium
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31
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Cao W, Ma W, Wang X, Zhang B, Cao X, Chen K, Li Y, Ouyang P. Enhanced pinocembrin production in Escherichia coli by regulating cinnamic acid metabolism. Sci Rep 2016; 6:32640. [PMID: 27586788 PMCID: PMC5009306 DOI: 10.1038/srep32640] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 08/11/2016] [Indexed: 11/17/2022] Open
Abstract
Microbial biosynthesis of pinocembrin is of great interest in the area of drug research and human healthcare. Here we found that the accumulation of the pathway intermediate cinnamic acid adversely affected pinocembrin production. Hence, a stepwise metabolic engineering strategy was carried out aimed at eliminating this pathway bottleneck and increasing pinocembrin production. The screening of gene source and the optimization of gene expression was first employed to regulate the synthetic pathway of cinnamic acid, which showed a 3.53-fold increase in pinocembrin production (7.76 mg/L) occurred with the alleviation of cinnamic acid accumulation in the engineered E. coli. Then, the downstream pathway that consuming cinnamic acid was optimized by the site-directed mutagenesis of chalcone synthase and cofactor engineering. S165M mutant of chalcone synthase could efficiently improve the pinocembrin production, and allowed the product titer of pinocembrin increased to 40.05 mg/L coupled with the malonyl-CoA engineering. With a two-phase pH fermentation strategy, the cultivation of the optimized strain resulted in a final pinocembrin titer of 67.81 mg/L. The results and engineering strategies demonstrated here would hold promise for the titer improvement of other flavonoids.
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Affiliation(s)
- Weijia Cao
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211816, P.R. China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
| | - Weichao Ma
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211816, P.R. China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China.,College of Bioengineering and Biotechnology, Tianshui Normal University, Tianshui 741001, P.R. China
| | - Xin Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211816, P.R. China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
| | - Bowen Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211816, P.R. China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
| | - Xun Cao
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211816, P.R. China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
| | - Kequan Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211816, P.R. China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
| | - Yan Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211816, P.R. China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
| | - Pingkai Ouyang
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211816, P.R. China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
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Chen Y, Xiao W, Wang Y, Liu H, Li X, Yuan Y. Lycopene overproduction in Saccharomyces cerevisiae through combining pathway engineering with host engineering. Microb Cell Fact 2016; 15:113. [PMID: 27329233 PMCID: PMC4915043 DOI: 10.1186/s12934-016-0509-4] [Citation(s) in RCA: 120] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Accepted: 06/06/2016] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Microbial production of lycopene, a commercially and medically important compound, has received increasing concern in recent years. Saccharomyces cerevisiae is regarded as a safer host for lycopene production than Escherichia coli. However, to date, the lycopene yield (mg/g DCW) in S. cerevisiae was lower than that in E. coli and did not facilitate downstream extraction process, which might be attributed to the incompatibility between host cell and heterologous pathway. Therefore, to achieve lycopene overproduction in S. cerevisiae, both host cell and heterologous pathway should be delicately engineered. RESULTS In this study, lycopene biosynthesis pathway was constructed by integration of CrtE, CrtB and CrtI in S. cerevisiae CEN.PK2. When YPL062W, a distant genetic locus, was deleted, little acetate was accumulated and approximately 100 % increase in cytosolic acetyl-CoA pool was achieved relative to that in parental strain. Through screening CrtE, CrtB and CrtI from diverse species, an optimal carotenogenic enzyme combination was obtained, and CrtI from Blakeslea trispora (BtCrtI) was found to have excellent performance on lycopene production as well as lycopene proportion in carotenoid. Then, the expression level of BtCrtI was fine-tuned and the effect of cell mating types was also evaluated. Finally, potential distant genetic targets (YJL064W, ROX1, and DOS2) were deleted and a stress-responsive transcription factor INO2 was also up-regulated. Through the above modifications between host cell and carotenogenic pathway, lycopene yield was increased by approximately 22-fold (from 2.43 to 54.63 mg/g DCW). Eventually, in fed-batch fermentation, lycopene production reached 55.56 mg/g DCW, which is the highest reported yield in yeasts. CONCLUSIONS Saccharomyces cerevisiae was engineered to produce lycopene in this study. Through combining host engineering (distant genetic loci and cell mating types) with pathway engineering (enzyme screening and gene fine-tuning), lycopene yield was stepwise improved by 22-fold as compared to the starting strain. The highest lycopene yield (55.56 mg/g DCW) in yeasts was achieved in 5-L bioreactors. This study provides a good reference of combinatorial engineering of host cell and heterologous pathway for microbial overproduction of pharmaceutical and chemical products.
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Affiliation(s)
- Yan Chen
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300072, People's Republic of China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Wenhai Xiao
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300072, People's Republic of China. .,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China.
| | - Ying Wang
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300072, People's Republic of China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Hong Liu
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300072, People's Republic of China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Xia Li
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300072, People's Republic of China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Yingjin Yuan
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300072, People's Republic of China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
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