1
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Qiu Z, Liu X, Yu J, Zhao Y, Zhao GR, Li S, Liu K, Du L, Ma L. Efficient conversion of aromatic and phenylpropanoid alcohols to acids by the cascade biocatalysis of alcohol and aldehyde dehydrogenases. Synth Syst Biotechnol 2024; 9:187-195. [PMID: 38385148 PMCID: PMC10876487 DOI: 10.1016/j.synbio.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 12/24/2023] [Accepted: 01/19/2024] [Indexed: 02/23/2024] Open
Abstract
Benzyl and phenylpropanoid acids are widely used in organic synthesis of fine chemicals, such as pharmaceuticals and condiments. However, biocatalysis of these acids has received less attention than chemical synthesis. One of the main challenges for biological production is the limited availability of alcohol dehydrogenases and aldehyde dehydrogenases. Environmental microorganisms are potential sources of these enzymes. In this study, 129 alcohol dehydrogenases and 42 aldehyde dehydrogenases from Corynebacterium glutamicum, Pseudomonas aeruginosa, and Bacillus subtilis were identified and explored with various benzyl and phenylpropanoid alcohol and aldehyde substrates, among which four alcohol dehydrogenases and four aldehyde dehydrogenases with broad substrate specificity and high catalytic activity were obtained. Moreover, a cascade whole-cell catalytic system including ADH-90, ALDH-40, and the NAD(P)H oxidase LreNox was established, which showed high efficiency in converting cinnamyl alcohol and p-methylbenzyl alcohol into the respective carboxylic acids. Remarkably, this biocatalytic system can be easily scaled up to gram-level production, facilitating preparation purposes.
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Affiliation(s)
- Zetian Qiu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong, 266237, China
- Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Jinnan District, Tianjin, 300350, China
| | - Xiaohui Liu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong, 266237, China
| | - Jie Yu
- School of Health Management, Hengxing University, Qingdao, Shandong, 266100, China
| | - Yushuo Zhao
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong, 266237, China
| | - Guang-Rong Zhao
- Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Jinnan District, Tianjin, 300350, China
| | - Shengying Li
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong, 266237, China
| | - Kun Liu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong, 266237, China
| | - Lei Du
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong, 266237, China
| | - Li Ma
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong, 266237, China
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2
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Hou S, Wang S, Zheng C, Zhou Y, Yu C, Li H. Hexadecanoic acid produced in the co-culture of S. cerevisiae and E.coli promotes oxidative stress tolerance of the S.cerevisiae cells. World J Microbiol Biotechnol 2024; 40:213. [PMID: 38789629 DOI: 10.1007/s11274-024-04004-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 04/24/2024] [Indexed: 05/26/2024]
Abstract
Co-fermentation performed by Saccharomyces cerevisiae and Escherichia coli or other microbes has been widely used in industrial fermentation. Meanwhile, the co-cultured microbes might regulate each other's metabolisms or cell behaviors including oxidative stress tolerance through secreting molecules. Here, results based on the co-culture system of S. cerevisiae and E. coli suggested the promoting effect of E. coli on the oxidative stress tolerance of S. cerevisiae cells. The co-cultured E. coli could enhance S. cerevisiae cell viability through improving its membrane stability and reducing the oxidized lipid level. Meanwhile, promoting effect of the co-cultured supernatant on the oxidative stress tolerance of S. cerevisiae illustrated by the supernatant substitution strategy suggested that secreted compounds contained in the co-cultured supernatant contributed to the higher oxidative stress tolerance of S. cerevisiae. The potential key regulatory metabolite (i.e., hexadecanoic acid) with high content difference between co-cultured supernatant and the pure-cultured S. cerevisiae supernatant was discovered by GC-MS-based metabolomics strategy. And exogenous addition of hexadecanoic acid did suggest its contribution to higher oxidative stress tolerance of S. cerevisiae. Results presented here would contribute to the understanding of the microbial interactions and provide the foundation for improving the efficiency of co-fermentation performed by S. cerevisiae and E. coli.
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Affiliation(s)
- Shuxin Hou
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Shihui Wang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Caijuan Zheng
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Yu Zhou
- School of Public Health, Jining Medical University, Jining, 272067, People's Republic of China
| | - Changyuan Yu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Hao Li
- School of Public Health, Jining Medical University, Jining, 272067, People's Republic of China.
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3
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Zhou X, Zhang X, Wang D, Luo R, Qin Z, Lin F, Xia X, Liu X, Hu G. Efficient Biosynthesis of Salidroside via Artificial in Vivo enhanced UDP-Glucose System Using Cheap Sucrose as Substrate. ACS OMEGA 2024; 9:22386-22397. [PMID: 38799314 PMCID: PMC11112596 DOI: 10.1021/acsomega.4c02060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/24/2024] [Accepted: 04/26/2024] [Indexed: 05/29/2024]
Abstract
Salidroside, a valuable phenylethanoid glycoside, is obtained from plants belonging to the Rhodiola genus, known for its diverse biological properties. At present, salidroside is still far from large-scale industrial production due to its lower titer and higher process cost. In this study, we have for the first time increased salidroside production by enhancing UDP-glucose supply in situ. We constructed an in vivo UDP-glucose regeneration system that works in conjunction with UDP-glucose transferase from Rhodiola innovatively to improve UDP-glucose availability. And a coculture was formed in order to enable de novo salidroside synthesis. Confronted with the influence of tyrosol on strain growth, an adaptive laboratory evolution strategy was implemented to enhance the strain's tolerance. Similarly, salidroside production was optimized through refinement of the fermentation medium, the inoculation ratio of the two microbes, and the inoculation size. The final salidroside titer reached 3.8 g/L. This was the highest titer achieved at the shake flask level in the existing reports. And this marked the first successful synthesis of salidroside in an in situ enhanced UDP-glucose system using sucrose. The cost was reduced by 93% due to the use of inexpensive substrates. This accomplishment laid a robust foundation for further investigations into the synthesis of other notable glycosides and natural compounds.
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Affiliation(s)
- Xiaojie Zhou
- Department
of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, P. R. China
| | - Xiaoxiao Zhang
- AgroParisTech, 22 place de l’Agronomie, 91120 Palaiseau, France
| | - Dan Wang
- Department
of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, P. R. China
| | - Ruoshi Luo
- Department
of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, P. R. China
| | - Zhao Qin
- Department
of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, P. R. China
| | - Fanzhen Lin
- Department
of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, P. R. China
| | - Xue Xia
- Department
of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, P. R. China
| | - Xuemei Liu
- Department
of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, P. R. China
| | - Ge Hu
- Department
of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, P. R. China
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4
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Wang X, Zhao C, Lu X, Zong H, Zhuge B. Development of a co-culture system for green production of caffeic acid from sugarcane bagasse hydrolysate. Front Microbiol 2024; 15:1379688. [PMID: 38567071 PMCID: PMC10985150 DOI: 10.3389/fmicb.2024.1379688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 03/04/2024] [Indexed: 04/04/2024] Open
Abstract
Caffeic acid (CA) is a phenolic acid compound widely used in pharmaceutical and food applications. However, the efficient synthesis of CA is usually limited by the resources of individual microbial platforms. Here, a cross-kingdom microbial consortium was developed to synthesize CA from sugarcane bagasse hydrolysate using Escherichia coli and Candida glycerinogenes as chassis. In the upstream E. coli module, shikimate accumulation was improved by intensifying the shikimate synthesis pathway and blocking shikimate metabolism to provide precursors for the downstream CA synthesis module. In the downstream C. glycerinogenes module, conversion of p-coumaric acid to CA was improved by increasing the supply of the cytoplasmic cofactor FAD(H2). Further, overexpression of ABC transporter-related genes promoted efflux of CA and enhanced strain resistance to CA, significantly increasing CA titer from 103.8 mg/L to 346.5 mg/L. Subsequently, optimization of the inoculation ratio of strains SA-Ec4 and CA-Cg27 in this cross-kingdom microbial consortium resulted in an increase in CA titer to 871.9 mg/L, which was 151.6% higher compared to the monoculture strain CA-Cg27. Ultimately, 2311.6 and 1943.2 mg/L of CA were obtained by optimization of the co-culture system in a 5 L bioreactor using mixed sugar and sugarcane bagasse hydrolysate, respectively, with 17.2-fold and 14.6-fold enhancement compared to the starting strain. The cross-kingdom microbial consortium developed in this study provides a reference for the production of other aromatic compounds from inexpensive raw materials.
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Affiliation(s)
- Xihui Wang
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- Research Centre of Industrial Microbiology, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Cui Zhao
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- Research Centre of Industrial Microbiology, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Xinyao Lu
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- Research Centre of Industrial Microbiology, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Hong Zong
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- Research Centre of Industrial Microbiology, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Bin Zhuge
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
- Research Centre of Industrial Microbiology, School of Biotechnology, Jiangnan University, Wuxi, China
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5
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Wang S, Zhao F, Yang M, Lin Y, Han S. Metabolic engineering of Saccharomyces cerevisiae for the synthesis of valuable chemicals. Crit Rev Biotechnol 2024; 44:163-190. [PMID: 36596577 DOI: 10.1080/07388551.2022.2153008] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/11/2022] [Accepted: 10/29/2022] [Indexed: 01/05/2023]
Abstract
In the twenty first century, biotechnology offers great opportunities and solutions to climate change mitigation, energy and food security and resource efficiency. The use of metabolic engineering to modify microorganisms for producing industrially significant chemicals is developing and becoming a trend. As a famous, generally recognized as a safe (GRAS) model microorganism, Saccharomyces cerevisiae is widely used due to its excellent operational convenience and high fermentation efficiency. This review summarizes recent advancements in the field of using metabolic engineering strategies to construct engineered S. cerevisiae over the past ten years. Five different types of compounds are classified by their metabolites, and the modified metabolic pathways and strategies are summarized and discussed independently. This review may provide guidance for future metabolic engineering efforts toward such compounds and analogues. Additionally, the limitations of S. cerevisiae as a cell factory and its future trends are comprehensively discussed.
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Affiliation(s)
- Shuai Wang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
| | - Fengguang Zhao
- School of Light Industry and Engineering, South China University of Technology, Guangzhou, China
| | - Manli Yang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
| | - Ying Lin
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
| | - Shuangyan Han
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
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6
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Peng H, Darlington APS, South EJ, Chen HH, Jiang W, Ledesma-Amaro R. A molecular toolkit of cross-feeding strains for engineering synthetic yeast communities. Nat Microbiol 2024; 9:848-863. [PMID: 38326570 PMCID: PMC10914607 DOI: 10.1038/s41564-023-01596-4] [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: 04/28/2023] [Accepted: 12/18/2023] [Indexed: 02/09/2024]
Abstract
Engineered microbial consortia often have enhanced system performance and robustness compared with single-strain biomanufacturing production platforms. However, few tools are available for generating co-cultures of the model and key industrial host Saccharomyces cerevisiae. Here we engineer auxotrophic and overexpression yeast strains that can be used to create co-cultures through exchange of essential metabolites. Using these strains as modules, we engineered two- and three-member consortia using different cross-feeding architectures. Through a combination of ensemble modelling and experimentation, we explored how cellular (for example, metabolite production strength) and environmental (for example, initial population ratio, population density and extracellular supplementation) factors govern population dynamics in these systems. We tested the use of the toolkit in a division of labour biomanufacturing case study and show that it enables enhanced and tuneable antioxidant resveratrol production. We expect this toolkit to become a useful resource for a variety of applications in synthetic ecology and biomanufacturing.
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Affiliation(s)
- Huadong Peng
- Department of Bioengineering, Imperial College London, London, UK
- Imperial College Centre for Synthetic Biology, Imperial College London, London, UK
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Alexander P S Darlington
- Warwick Integrative Synthetic Biology Centre, School of Engineering, University of Warwick, Coventry, UK
| | - Eric J South
- Molecular Biology, Cell Biology and Biochemistry Program, Boston University, Boston, MA, USA
| | - Hao-Hong Chen
- Department of Bioengineering, Imperial College London, London, UK
- Imperial College Centre for Synthetic Biology, Imperial College London, London, UK
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Wei Jiang
- Department of Bioengineering, Imperial College London, London, UK
- Imperial College Centre for Synthetic Biology, Imperial College London, London, UK
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Rodrigo Ledesma-Amaro
- Department of Bioengineering, Imperial College London, London, UK.
- Imperial College Centre for Synthetic Biology, Imperial College London, London, UK.
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7
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Mendonça ELSS, Xavier JA, Fragoso MBT, Silva MO, Escodro PB, Oliveira ACM, Tucci P, Saso L, Goulart MOF. E-Stilbenes: General Chemical and Biological Aspects, Potential Pharmacological Activity Based on the Nrf2 Pathway. Pharmaceuticals (Basel) 2024; 17:232. [PMID: 38399446 PMCID: PMC10891666 DOI: 10.3390/ph17020232] [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: 01/08/2024] [Revised: 01/27/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Stilbenes are phytoalexins, and their biosynthesis can occur through a natural route (shikimate precursor) or an alternative route (in microorganism cultures). The latter is a metabolic engineering strategy to enhance production due to stilbenes recognized pharmacological and medicinal potential. It is believed that in the human body, these potential activities can be modulated by the regulation of the nuclear factor erythroid derived 2 (Nrf2), which increases the expression of antioxidant enzymes. Given this, our review aims to critically analyze evidence regarding E-stilbenes in human metabolism and the Nrf2 activation pathway, with an emphasis on inflammatory and oxidative stress aspects related to the pathophysiology of chronic and metabolic diseases. In this comprehensive literature review, it can be observed that despite the broad number of stilbenes, those most frequently explored in clinical trials and preclinical studies (in vitro and in vivo) were resveratrol, piceatannol, pterostilbene, polydatin, stilbestrol, and pinosylvin. In some cases, depending on the dose/concentration and chemical nature of the stilbene, it was possible to identify activation of the Nrf2 pathway. Furthermore, the use of some experimental models presented a challenge in comparing results. In view of the above, it can be suggested that E-stilbenes have a relationship with the Nrf2 pathway, whether directly or indirectly, through different biological pathways, and in different diseases or conditions that are mainly related to inflammation and oxidative stress.
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Affiliation(s)
- Elaine L. S. S. Mendonça
- Program of the Northeast Biotechnology Network (RENORBIO), Institute of Chemistry and Biotechnology, Federal University of Alagoas (UFAL), Maceió 57072-900, Brazil; (E.L.S.S.M.); (M.O.S.)
| | - Jadriane A. Xavier
- Institute of Chemistry and Biotechnology, UFAL, Maceió 57072-900, Brazil; (J.A.X.); (M.B.T.F.)
| | - Marilene B. T. Fragoso
- Institute of Chemistry and Biotechnology, UFAL, Maceió 57072-900, Brazil; (J.A.X.); (M.B.T.F.)
| | - Messias O. Silva
- Program of the Northeast Biotechnology Network (RENORBIO), Institute of Chemistry and Biotechnology, Federal University of Alagoas (UFAL), Maceió 57072-900, Brazil; (E.L.S.S.M.); (M.O.S.)
| | | | | | - Paolo Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy;
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University, 00185 Rome, Italy
| | - Marília O. F. Goulart
- Program of the Northeast Biotechnology Network (RENORBIO), Institute of Chemistry and Biotechnology, Federal University of Alagoas (UFAL), Maceió 57072-900, Brazil; (E.L.S.S.M.); (M.O.S.)
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8
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Darvishi F, Rafatiyan S, Abbaspour Motlagh Moghaddam MH, Atkinson E, Ledesma-Amaro R. Applications of synthetic yeast consortia for the production of native and non-native chemicals. Crit Rev Biotechnol 2024; 44:15-30. [PMID: 36130800 DOI: 10.1080/07388551.2022.2118569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 08/03/2022] [Accepted: 08/19/2022] [Indexed: 11/03/2022]
Abstract
The application of microbial consortia is a new approach in synthetic biology. Synthetic yeast consortia, simple or complex synthetic mixed cultures, have been used for the production of various metabolites. Cooperation between the members of a consortium and cross-feeding can be applied to create stable microbial communication. These consortia can: consume a variety of substrates, perform more complex functions, produce metabolites in high titer, rate, and yield (TRY), and show higher stability during industrial fermentations. Due to the new research context of synthetic consortia, few yeasts were used to build these consortia, including Saccharomyces cerevisiae, Pichia pastoris, and Yarrowia lipolytica. Here, application of the yeasts for design of synthetic microbial consortia and their advantages and bottlenecks for effective and robust production of valuable metabolites from bioresource, including: cellulose, xylose, glycerol and so on, have been reviewed. Key trends and challenges are also discussed for the future development of synthetic yeast consortia.
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Affiliation(s)
- Farshad Darvishi
- Department of Microbiology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
- Research Center for Applied Microbiology and Microbial Biotechnology (CAMB), Alzahra University, Tehran, Iran
| | - Sajad Rafatiyan
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | | | - Eliza Atkinson
- Department of Bioengineering and Imperial College Centre for Synthetic Biology, Imperial College London, London, UK
| | - Rodrigo Ledesma-Amaro
- Department of Bioengineering and Imperial College Centre for Synthetic Biology, Imperial College London, London, UK
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9
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Kulasekaran NT, Thilakam ML, Gopal D, Lee JK, Marimuthu J. Denovo production of resveratrol by engineered Saccharomyces cerevisiae W303-1a using pretreated Gracilaria corticata extracts. Biotechnol Lett 2024; 46:19-28. [PMID: 37987932 DOI: 10.1007/s10529-023-03441-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 09/05/2023] [Accepted: 10/01/2023] [Indexed: 11/22/2023]
Abstract
OBJECTIVE Assembly and construction of resveratrol production pathway in Saccharomyces cerevisiae for denovo production of resveratrol using seaweed extract as fermentation medium. RESULTS Genes involved in the production of resveratrol from tyrosine pathway, tyrosine ammonia lyase (FTAL) gene from Flavobacterium johnsoniae (FjTAL), the 4-coumarate:CoA ligase gene from Arabidopsis thaliana (4CL1) and the stilbene synthase gene from Vitis vinifera (VvSTS) were introduced into low copy, high copy and integrative vector and transformed into S. cerevisiae W303-1a. The resulting strains W303-1a/pARS-res5, W303-1a/2µ-res1 and W303-1a/IntUra-res9 produced a level of 2.39 ± 0.01, 3.33 ± 0.03 and 8.34 ± 0.03 mg resveratrol l-1 respectively. CRISPR mediated integration at the δ locus resulted in 17.13 ± 1.1 mg resveratrol l-1. Gracilaria corticata extract was tested as a substrate for the growth of transformant to produce resveratrol. The strain produced a comparable level, 13.6 ± 0.54 mg resveratrol l-1 when grown in seaweed extract medium. CONCLUSIONS The strain W303-1a/IntδC-res1 utilized Gracillaria hydrolysate and produced 13.6 ± 0.54 mg resveratrol l-1 and further investigations are being carried out focusing on pathway engineering and optimization of process parameters to enhance resveratrol yield.
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Affiliation(s)
| | - Mary Leema Thilakam
- Marine Biotechnology Division, National Institute of Ocean Technology, Chennai, 600100, India
| | - Dharani Gopal
- Marine Biotechnology Division, National Institute of Ocean Technology, Chennai, 600100, India
| | - Jung-Kul Lee
- Department of Chemical Engineering, Konkuk University, Seoul, 143 701, Korea
| | - Jeya Marimuthu
- Marine Biotechnology Division, National Institute of Ocean Technology, Chennai, 600100, India.
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10
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Arias A, Costa CE, Moreira MT, Feijoo G, Domingues L. Resveratrol-based biorefinery models for favoring its inclusion along the market value-added chains: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168199. [PMID: 37914108 DOI: 10.1016/j.scitotenv.2023.168199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/03/2023]
Abstract
Resveratrol, a natural organic polyhydroxyphenolic compound, has gained significant attention in the last years given its potential health benefits, including antioxidant, anti-cancer, and anti-inflammatory properties. It can be directly extracted from plants, vegetables, and related products and waste resources, but also chemically/enzymatically/microbially synthesized. However, certain process strategies have some limitations, such as high costs, reduced yield or high energy demand, thus implying significant environmental loads. In this context, the search for more sustainable and circular process schemes is key to the integration of resveratrol into the market value chain of the food, cosmetic and pharmaceutical sectors. The extraction of resveratrol has traditionally been based on conventional methods such as solvent extraction, but advanced green extraction techniques offer more efficient and environmentally friendly alternatives. This review analyses both conventional and green alternative extraction technologies, as well as its bioproduction through microbial fermentation, in terms of production capacity, yield, purity and sustainability. It also presents alternative biorefinery models based on resveratrol bioproduction using by-products and waste streams as resources, specifically considering wine residues, peanut shells and wood bark as input resources, and also following a circular approach. This critical review provides some insight into the opportunities that resveratrol offers for promoting sustainable development and circularity in the related market value chains, and thus provides some criteria for decision making for biorefinery models in which resveratrol is one of the targeted high value-added products. It also identifies the future challenges to promote the inclusion of resveratrol in value chains, with the scale-up of green technologies and its demonstrated economic feasibility being the most prominent.
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Affiliation(s)
- Ana Arias
- CRETUS, Department of Chemical Engineering, School of Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Carlos E Costa
- CEB - Center of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Guimarães, Portugal
| | - Maria Teresa Moreira
- CRETUS, Department of Chemical Engineering, School of Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Gumersindo Feijoo
- CRETUS, Department of Chemical Engineering, School of Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Lucília Domingues
- CEB - Center of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Guimarães, Portugal
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11
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Yan Z, Pan Y, Huang M, Liu JZ. De Novo Pterostilbene Production from Glucose Using Modular Coculture Engineering in Escherichia coli. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:516-528. [PMID: 38130104 DOI: 10.1021/acs.jafc.3c06629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Pterostilbene, a derivative of resveratrol, is of increasing interest due to its increased bioavailability and potential health benefits. Sustainable production of pterostilbene is important, especially given the challenges of traditional plant extraction and chemical synthesis methods. While engineered microbial cell factories provide a potential alternative for pterostilbene production, most approaches necessitate feeding intermediate compounds. To address these limitations, we adopted a modular coculture engineering strategy, dividing the pterostilbene biosynthetic pathway between two engineered E. coli strains. Using a combination of gene knockout, atmospheric and room-temperature plasma mutagenesis, and error-prone PCR-based whole genome shuffling to engineer strains for the coculture system, we achieved a pterostilbene production titer of 134.84 ± 9.28 mg/L from glucose using a 1:3 inoculation ratio and 0.1% dimethyl sulfoxide supplementation. This represents the highest reported de novo production titer. Our results underscore the potential of coculture systems and metabolic balance in microbial biosynthesis.
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Affiliation(s)
- Zhibo Yan
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Yuyang Pan
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Mingtao Huang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Jian-Zhong Liu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
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12
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Jia ZC, Liu D, Ma HD, Cui YH, Li HM, Li X, Yuan YJ. Yeast Metabolic Engineering for Biosynthesis of Caffeic Acid-Derived Phenethyl Ester and Phenethyl Amide. ACS Synth Biol 2023; 12:3635-3645. [PMID: 38016187 DOI: 10.1021/acssynbio.3c00413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Caffeic acid (CA)-derived phenethyl ester (CAPE) and phenethyl amide (CAPA) are extensively investigated bioactive compounds with therapeutic applications such as antioxidant, anti-inflammatory, and anticarcinogenic properties. To construct microbial cell factories for production of CAPE or CAPA is a promising option given the limitation of natural sources for product extraction and the environmental toxicity of the agents used in chemical synthesis. We reported the successful biosynthesis of caffeic acid in yeast previously. Here in this work, we further constructed the downstream synthetic pathways in yeast for biosynthesis of CAPE and CAPA. After combinatorial engineering of yeast chassis based on the rational pathway engineering method and library-based SCRaMbLE method, we finally obtained the optimal strains that respectively produced 417 μg/L CAPE and 1081 μg/L CAPA. Two screened gene targets of ΔHAM1 and ΔYJL028W were discovered to help improve the product synthesis capacity. This is the first report of the de novo synthesis of CAPA from glucose in an engineered yeast chassis. Future work on enzyme and chassis engineering will further support improving the microbial cell factories for the production of CA derivatives.
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Affiliation(s)
- Zi-Chen Jia
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
| | - Duo Liu
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
- School of Life Sciences, Tianjin University, Tianjin 300072, China
| | - Hai-Di Ma
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
| | - Yu-Hui Cui
- School of Life Sciences, Tianjin University, Tianjin 300072, China
| | - Hui-Min Li
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
| | - Xia Li
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
| | - Ying-Jin Yuan
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
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13
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Yu J, Zheng Y, Song C, Chen S. New insights into the roles of fungi and bacteria in the development of medicinal plant. J Adv Res 2023:S2090-1232(23)00394-6. [PMID: 38092299 DOI: 10.1016/j.jare.2023.12.007] [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: 08/08/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 01/02/2024] Open
Abstract
BACKGROUND The interaction between microorganisms and medicinal plants is a popular topic. Previous studies consistently reported that microorganisms were mainly considered pathogens or contaminants. However, with the development of microbial detection technology, it has been demonstrated that fungi and bacteria affect beneficially the medicinal plant production chain. AIM OF REVIEW Microorganisms greatly affect medicinal plants, with microbial biosynthesis a high regarded topic in medicinal plant-microbial interactions. However, it lacks a systematic review discussing this relationship. Current microbial detection technologies also have certain advantages and disadvantages, it is essential to compare the characteristics of various technologies. KEY SCIENTIFIC CONCEPTS OF REVIEW This review first illustrates the role of fungi and bacteria in various medicinal plant production procedures, discusses the development of microbial detection and identification technologies in recent years, and concludes with microbial biosynthesis of natural products. The relationship between fungi, bacteria, and medicinal plants is discussed comprehensively. We also propose a future research model and direction for further studies.
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Affiliation(s)
- Jingsheng Yu
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137 China; Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700 China
| | - Yixuan Zheng
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137 China
| | - Chi Song
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137 China
| | - Shilin Chen
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137 China; Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700 China.
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14
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Mutz M, Kösters D, Wynands B, Wierckx N, Marienhagen J. Microbial synthesis of the plant natural product precursor p-coumaric acid with Corynebacterium glutamicum. Microb Cell Fact 2023; 22:209. [PMID: 37833813 PMCID: PMC10576375 DOI: 10.1186/s12934-023-02222-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND Phenylpropanoids such as p-coumaric acid represent important precursors for the synthesis of a broad range of plant secondary metabolites including stilbenoids, flavonoids, and lignans, which are of pharmacological interest due to their health-promoting properties. Although extraction from plant material or chemical synthesis is possible, microbial synthesis of p-coumaric acid from glucose has the advantage of being less expensive and more resource efficient. In this study, Corynebacterium glutamicum was engineered for the production of the plant polyphenol precursor p-coumaric acid from glucose. RESULTS Heterologous expression of the tyrosine ammonia-lyase encoding gene from Flavobacterium johnsoniae enabled the conversion of endogenously provided tyrosine to p-coumaric acid. Product consumption was avoided by abolishing essential reactions of the phenylpropanoid degradation pathway. Accumulation of anthranilate as a major byproduct was eliminated by reducing the activity of anthranilate synthase through targeted mutagenesis to avoid tryptophan auxotrophy. Subsequently, the carbon flux into the shikimate pathway was increased, phenylalanine biosynthesis was reduced, and phosphoenolpyruvate availability was improved to boost p-coumaric acid accumulation. A maximum titer of 661 mg/L p-coumaric acid (4 mM) in defined mineral medium was reached. Finally, the production strain was utilized in co-cultivations with a C. glutamicum strain previously engineered for the conversion of p-coumaric acid into the polyphenol resveratrol. These co-cultivations enabled the synthesis of 31.2 mg/L (0.14 mM) resveratrol from glucose without any p-coumaric acid supplementation. CONCLUSIONS The utilization of a heterologous tyrosine ammonia-lyase in combination with optimization of the shikimate pathway enabled the efficient production of p-coumaric acid with C. glutamicum. Reducing the carbon flux into the phenylalanine and tryptophan branches was the key to success along with the introduction of feedback-resistant enzyme variants.
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Affiliation(s)
- Mario Mutz
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, 52425 Jülich, Germany
- Institute of Biotechnology, RWTH Aachen University, Worringer Weg 3, 52074 Aachen, Germany
| | - Dominic Kösters
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, 52425 Jülich, Germany
- Institute of Biotechnology, RWTH Aachen University, Worringer Weg 3, 52074 Aachen, Germany
| | - Benedikt Wynands
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Nick Wierckx
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Jan Marienhagen
- Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Jülich, 52425 Jülich, Germany
- Institute of Biotechnology, RWTH Aachen University, Worringer Weg 3, 52074 Aachen, Germany
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15
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Effendi SSW, Ng IS. High value ferulic acid biosynthesis using modular design and spent coffee ground in engineered Escherichia coli chassis. BIORESOURCE TECHNOLOGY 2023; 384:129262. [PMID: 37271460 DOI: 10.1016/j.biortech.2023.129262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 05/29/2023] [Accepted: 05/30/2023] [Indexed: 06/06/2023]
Abstract
Sophisticated genetic engineering enables microbial hosts to derive high-value aromatics in a green manner. Ferulic acid (FA) is one of the noteworthy aromatics due to its potent pharmacokinetic properties. However, the current approaches to FA biosynthesis still decamp from time- and cost-effectiveness. Herein, FA pathway was artificially reconstructed in Escherichia coli using modular designs. Comprehensive screening of E. coli lineages was reckoned for efficient synthesis of p-coumaric acid (pCA) as a precursor and FA eventually. The modular design was further advanced by harboring tyrosine transporter, adapting the heterologous codon, utilizing pCA symporter, and enriching FADH2 cofactor pools via in vivo regeneration. Taken together with simultaneous optimization of culture condition, a remarkable FA yield of 972.6 mg/L with 89.4 % conversion was achieved in 48 h, circumventing the time-consuming issue. Moreover, this study successfully exported inexpensive precursor from spent coffee ground for the first time, paving the economical way of FA biosynthesis.
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Affiliation(s)
| | - I-Son Ng
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
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16
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Ji A, Bao P, Ma A, Wei X. An Efficient Prephenate Dehydrogenase Gene for the Biosynthesis of L-tyrosine: Gene Mining, Sequence Analysis, and Expression Optimization. Foods 2023; 12:3084. [PMID: 37628083 PMCID: PMC10453860 DOI: 10.3390/foods12163084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/14/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
L-tyrosine is a key precursor for synthesis of various functional substances, but the microbial production of L-tyrosine faces huge challenges. The development of new microbial chassis cell and gene resource is especially important for the biosynthesis of L-tyrosine. In this study, the optimal host strain Bacillus amyloliquefaciens HZ-12 was firstly selected by detecting the production capacity of L-tyrosine. Subsequently, the recombinant expression of 15 prephenate dehydrogenase genes led to the discovery of the best gene, Bao-tyrA from B. amyloliquefaciens HZ-12. After the overexpression of Bao-tyrA, the L-tyrosine yield of the recombinant strain HZ/P43-Bao-tyrA reach 411 mg/L, increased by 42% compared with the control strain (HZ/pHY300PLK). Moreover, the nucleic acid sequence and deduced amino acid sequence of the gene Bao-tyrA were analyzed, and their conservative sites and catalytic mechanisms were proposed. Finally, the expression of Bao-tyrA was regulated through a promoter and 5'-UTR sequence to obtain the optimal expression elements. Thereby, the maximum L-tyrosine yield of 475 mg/L was obtained from HZ/P43-UTR3-Bao-tyrA. B. amyloliquefaciens was applied for the first time to produce L-tyrosine, and the optimal prephenate dehydrogenase gene Bao-tyrA and corresponding expression elements were obtained. This study provides new microbial host and gene resource for the construction of efficient L-tyrosine chassis cells, and also lays a solid foundation for the production of various functional tyrosine derivatives.
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Affiliation(s)
- Anying Ji
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China; (A.J.); (P.B.); (A.M.)
- Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan 430070, China
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China
| | - Pengfei Bao
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China; (A.J.); (P.B.); (A.M.)
- Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan 430070, China
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China
| | - Aimin Ma
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China; (A.J.); (P.B.); (A.M.)
- Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan 430070, China
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China
| | - Xuetuan Wei
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China; (A.J.); (P.B.); (A.M.)
- Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan 430070, China
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China
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17
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Peng H, Chen R, Shaw WM, Hapeta P, Jiang W, Bell DJ, Ellis T, Ledesma-Amaro R. Modular Metabolic Engineering and Synthetic Coculture Strategies for the Production of Aromatic Compounds in Yeast. ACS Synth Biol 2023; 12:1739-1749. [PMID: 37218844 PMCID: PMC10278174 DOI: 10.1021/acssynbio.3c00047] [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: 01/22/2023] [Indexed: 05/24/2023]
Abstract
Microbial-derived aromatics provide a sustainable and renewable alternative to petroleum-derived chemicals. In this study, we used the model yeast Saccharomyces cerevisiae to produce aromatic molecules by exploiting the concept of modularity in synthetic biology. Three different modular approaches were investigated for the production of the valuable fragrance raspberry ketone (RK), found in raspberry fruits and mostly produced from petrochemicals. The first strategy used was modular cloning, which enabled the generation of combinatorial libraries of promoters to optimize the expression level of the genes involved in the synthesis pathway of RK. The second strategy was modular pathway engineering and involved the creation of four modules, one for product formation: RK synthesis module (Mod. RK); and three for precursor synthesis: aromatic amino acid synthesis module (Mod. Aro), p-coumaric acid synthesis module (Mod. p-CA), and malonyl-CoA synthesis module (Mod. M-CoA). The production of RK by combinations of the expression of these modules was studied, and the best engineered strain produced 63.5 mg/L RK from glucose, which is the highest production described in yeast, and 2.1 mg RK/g glucose, which is the highest yield reported in any organism without p-coumaric acid supplementation. The third strategy was the use of modular cocultures to explore the effects of division of labor on RK production. Two two-member communities and one three-member community were created, and their production capacity was highly dependent on the structure of the synthetic community, the inoculation ratio, and the culture media. In certain conditions, the cocultures outperformed their monoculture controls for RK production, although this was not the norm. Interestingly, the cocultures showed up to 7.5-fold increase and 308.4 mg/L of 4-hydroxy benzalacetone, the direct precursor of RK, which can be used for the semi-synthesis of RK. This study illustrates the utility of modularity in synthetic biology tools and their applications to the synthesis of products of industrial interest.
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Affiliation(s)
- Huadong Peng
- Department
of Bioengineering, Imperial College London, London SW7 2AZ, U.K.
- Centre
for Synthetic Biology, Imperial College
London, London SW7 2AZ, U.K.
| | - Ruiqi Chen
- Department
of Bioengineering, Imperial College London, London SW7 2AZ, U.K.
- Centre
for Synthetic Biology, Imperial College
London, London SW7 2AZ, U.K.
- College
of Life Sciences, Nankai University, Tianjin 300071, China
| | - William M. Shaw
- Department
of Bioengineering, Imperial College London, London SW7 2AZ, U.K.
- Centre
for Synthetic Biology, Imperial College
London, London SW7 2AZ, U.K.
| | - Piotr Hapeta
- Department
of Bioengineering, Imperial College London, London SW7 2AZ, U.K.
- Centre
for Synthetic Biology, Imperial College
London, London SW7 2AZ, U.K.
| | - Wei Jiang
- Department
of Bioengineering, Imperial College London, London SW7 2AZ, U.K.
- Centre
for Synthetic Biology, Imperial College
London, London SW7 2AZ, U.K.
| | - David J. Bell
- SynbiCITE
Innovation and Knowledge Centre, Imperial
College London, London SW7 2AZ, U.K.
| | - Tom Ellis
- Department
of Bioengineering, Imperial College London, London SW7 2AZ, U.K.
- Centre
for Synthetic Biology, Imperial College
London, London SW7 2AZ, U.K.
| | - Rodrigo Ledesma-Amaro
- Department
of Bioengineering, Imperial College London, London SW7 2AZ, U.K.
- Centre
for Synthetic Biology, Imperial College
London, London SW7 2AZ, U.K.
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18
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Zhang P, Gao J, Zhang H, Wang Y, Liu Z, Lee SY, Mao X. Metabolic engineering of Escherichia coli for the production of an antifouling agent zosteric acid. Metab Eng 2023; 76:247-259. [PMID: 36822462 DOI: 10.1016/j.ymben.2023.02.007] [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: 12/15/2022] [Revised: 02/13/2023] [Accepted: 02/19/2023] [Indexed: 02/23/2023]
Abstract
Zosteric acid (ZA) is a Zostera species-derived, sulfated phenolic acid compound with antifouling activity and has gained much attention due to its nontoxic and biodegradable characteristics. However, the yield of Zostera species available for ZA extraction is limited by natural factors, such as season, latitude, light, and temperature. Here we report the development of metabolically engineered Escherichia coli strains capable of producing ZA from glucose and glycerol. First, intracellular availability of the sulfur donor 3'-phosphoadenosine-5'-phosphosulfate (PAPS) was enhanced by knocking out the cysH gene responsible for PAPS consumption and overexpressing the genes required for PAPS biosynthesis. Co-overexpression of the genes encoding tyrosine ammonia-lyase, sulfotransferase 1A1, ATP sulfurylase, and adenosine 5'-phosphosulfate kinase constructed ZA producing strain with enhanced PAPS supply. Second, the feedback-resistant forms of aroG and tyrA genes (encoding 3-deoxy-d-arabinoheptulosonate 7-phosphate synthase and chorismate mutase, respectively) were overexpressed to relieve the feedback regulation of L-tyrosine biosynthesis. Third, the pykA gene involved in phosphoenolpyruvate-consuming reaction, the regulator gene tyrR, the competing pathway gene pheA, and the ptsHIcrr genes essential for the PEP:carbohydrate phosphotransferase system were deleted. Moreover, all genes involved in the shikimate pathway and the talA, tktA, and tktB genes in the pentose phosphate pathway were examined for ZA production. The PTS-independent glucose uptake system, the expression vector system, and the carbon source were also optimized. As a result, the best-performing strain successfully produced 1.52 g L-1 ZA and 1.30 g L-1p-hydroxycinnamic acid from glucose and glycerol in a 700 mL fed-batch bioreactor.
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Affiliation(s)
- Peichao Zhang
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Jing Gao
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Haiyang Zhang
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Yongzhen Wang
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Zhen Liu
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Sang Yup Lee
- Metabolic and Biomolecular Engineering National Research Laboratory, Department of Chemical and Biomolecular Engineering (BK21 Four), BioProcess Engineering Research Center, Institute for the BioCentury, KAIST, Daejeon, Republic of Korea.
| | - Xiangzhao Mao
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.
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19
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Virklund A, Jensen SI, Nielsen AT, Woodley JM. Combining genetic engineering and bioprocess concepts for improved phenylpropanoid production. Biotechnol Bioeng 2023; 120:613-628. [PMID: 36418654 DOI: 10.1002/bit.28292] [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: 05/17/2022] [Revised: 11/02/2022] [Accepted: 11/22/2022] [Indexed: 11/26/2022]
Abstract
The group of natural aromatic compounds known as phenylpropanoids has diverse applications, but current methods of production which are largely based on synthesis from petrochemicals or extraction from agricultural biomass are unsustainable. Bioprocessing is a promising alternative, but improvements in production titers and rates are required to make this method profitable. Here the recent advances in genetic engineering and bioprocess concepts for the production of phenylpropanoids are presented for the purpose of identifying successful strategies, including adaptive laboratory evolution, enzyme engineering, in-situ product removal, and biocatalysis. The pros and cons of bacterial and yeast hosts for phenylpropanoid production are discussed, also in the context of different phenylpropanoid targets and bioprocess concepts. Finally, some broad recommendations are made regarding targets for continued improvement and areas requiring specific attention from researchers to further improve production titers and rates.
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Affiliation(s)
- Alexander Virklund
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Lyngby, Denmark
| | - Sheila I Jensen
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
| | - Alex T Nielsen
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
| | - John M Woodley
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Lyngby, Denmark
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20
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Thuan NH, Tatipamula VB, Trung NT, Van Giang N. Metabolic engineering and optimization of Escherichia coli co-culture for the de novo synthesis of genkwanin. J Ind Microbiol Biotechnol 2023; 50:kuad030. [PMID: 37738435 PMCID: PMC10565888 DOI: 10.1093/jimb/kuad030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 09/18/2023] [Indexed: 09/24/2023]
Abstract
Genkwanin has various significant roles in nutrition, biomedicine, and pharmaceutical biology. Previously, this compound was chiefly produced by plant-originated extraction or chemical synthesis. However, due to increasing concern and demand for safe food and environmental issues, the biotechnological production of genkwanin and other bioactive compounds based on safe, cheap, and renewable substrates has gained much interest. This paper described recombinant Escherichia coli-based co-culture engineering that was reconstructed for the de novo production of genkwanin from d-glucose. The artificial genkwanin biosynthetic chain was divided into 2 modules in which the upstream strain contained the genes for synthesizing p-coumaric acid from d-glucose, and the downstream module contained a gene cluster that produced the precursor apigenin and the final product, genkwanin. The Box-Behnken design, a response surface methodology, was used to empirically model the production of genkwanin and optimize its productivity. As a result, the application of the designed co-culture improved the genkwanin production by 48.8 ± 1.3 mg/L or 1.7-fold compared to the monoculture. In addition, the scale-up of genkwanin bioproduction by a bioreactor resulted in 68.5 ± 1.9 mg/L at a 48 hr time point. The combination of metabolic engineering and fermentation technology was therefore a very efficient and applicable approach to enhance the production of other bioactive compounds.
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Affiliation(s)
- Nguyen Huy Thuan
- Center for Pharmaceutical Biotechnology, Duy Tan University, Da Nang 550000, Vietnam
| | | | - Nguyen Thanh Trung
- Center for Pharmaceutical Biotechnology, Duy Tan University, Da Nang 550000, Vietnam
| | - Nguyen Van Giang
- Faculty of Biotechnology, Vietnam National University of Agriculture, Trau Quy, Hanoi 100000, Vietnam
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21
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Piazza DM, Romanini D, Meini MR. High-efficiency novel extraction process of target polyphenols using enzymes in hydroalcoholic media. Appl Microbiol Biotechnol 2023; 107:1205-1216. [PMID: 36680585 DOI: 10.1007/s00253-023-12386-7] [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: 11/09/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 01/22/2023]
Abstract
Agro-industrial by-products are a sustainable source of natural additives that can replace the synthetic ones in the food industry. Grape pomace is an abundant by-product that contains about 70% of the grape's polyphenols. Polyphenols are natural antioxidants with multiple health-promoting properties. They are secondary plant metabolites with a wide range of solubilities. Here, a novel extraction process of these compounds was developed using enzymes that specifically liberates target polyphenols in the appropriate hydroalcoholic mixture. Tannase, cellulase, and pectinase retained 22, 60, and 52% of their activity, respectively, in ethanol 30% v/v. Therefore, extractions were tested in ethanol concentrations between 0 and 30% v/v. Some of these enzymes presented synergistic effects in the extraction of specific polyphenols. Maximum yield of gallic acid was obtained using tannase and pectinase enzymes in ethanol 10% v/v (49.56 ± 0.01 mg L-1 h-1); in the case of p-coumaric acid, by cellulase and pectinase treatment in ethanol 30% v/v (7.72 ± 0.26 mg L-1 h-1), and in the case of trans-resveratrol, by pectinase treatment in ethanol 30% v/v (0.98 ± 0.04 mg L-1 h-1). Also, the effect of enzymes and solvent polarity was analysed for the extraction of malvidin-3-O-glucoside, syringic acid, and quercetin. Previous studies were mainly focused on the maximization of total polyphenols extraction yields, being the polyphenolic profile the consequence but not the driving force of the optimization. In the present study, the basis of a platform for a precise extraction of the desire polyphenols is provided. KEY POINTS: • Enzymes can be used up to ethanol 30% v/v. • The specific enzymes' action determines the polyphenolic profile of the extracts. • The yields obtained of target polyphenols are competitive.
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Affiliation(s)
- Dana M Piazza
- Instituto de Procesos Biotecnológicos Y Químicos (IPROBYQ), Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Facultad de Ciencias Bioquímicas Y Farmacéuticas, Universidad Nacional de Rosario (UNR), Rosario, Argentina
| | - Diana Romanini
- Instituto de Procesos Biotecnológicos Y Químicos (IPROBYQ), Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Facultad de Ciencias Bioquímicas Y Farmacéuticas, Universidad Nacional de Rosario (UNR), Rosario, Argentina.,Facultad de Ciencias Bioquímicas Y Farmacéuticas, Departamento de Tecnología, UNR, Rosario, Argentina
| | - María-Rocío Meini
- Instituto de Procesos Biotecnológicos Y Químicos (IPROBYQ), Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Facultad de Ciencias Bioquímicas Y Farmacéuticas, Universidad Nacional de Rosario (UNR), Rosario, Argentina. .,Área Biofísica, Facultad de Ciencias Bioquímicas Y Farmacéuticas, UNR, Rosario, Argentina. .,IPROBYQ-CONICET, Facultad de Ciencias Bioquímicas Y Farmacéuticas, Universidad Nacional de Rosario, Mitre 1998 - S2000FWF, Rosario, Santa Fe, Argentina.
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Xu Z, Park TJ, Cao H. Advances in mining and expressing microbial biosynthetic gene clusters. Crit Rev Microbiol 2023; 49:18-37. [PMID: 35166616 DOI: 10.1080/1040841x.2022.2036099] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Natural products (NPs) especially the secondary metabolites originated from microbes exhibit great importance in biomedical, industrial and agricultural applications. However, mining biosynthetic gene clusters (BGCs) to produce novel NPs has been hindered owing that a large population of environmental microbes are unculturable. In the past decade, strategies to explore BGCs directly from (meta)genomes have been established along with the fast development of high-throughput sequencing technologies and the powerful bioinformatics data-processing tools, which greatly expedited the exploitations of novel BGCs from unculturable microbes including the extremophilic microbes. In this review, we firstly summarized the popular bioinformatics tools and databases available to mine novel BGCs from (meta)genomes based on either pure cultures or pristine environmental samples. Noticeably, approaches rooted from machine learning and deep learning with focuses on the prediction of ribosomally synthesized and post-translationally modified peptides (RiPPs) were dramatically increased in recent years. Moreover, synthetic biology techniques to express the novel BGCs in culturable native microbes or heterologous hosts were introduced. This working pipeline including the discovery and biosynthesis of novel NPs will greatly advance the exploitations of the abundant but unexplored microbial BGCs.
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Affiliation(s)
- Zeling Xu
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Center, South China Agricultural University, Guangzhou, China
| | - Tae-Jin Park
- HME Healthcare Co., Ltd, Suwon-si, Republic of Korea
| | - Huiluo Cao
- Department of Microbiology, The University of Hong Kong, Hong Kong, China
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Yang Y, Chen Y, Wu JH, Ren Y, Liu B, Zhang Y, Yu H. Targeting regulated cell death with plant natural compounds for cancer therapy: A revisited review of apoptosis, autophagy-dependent cell death, and necroptosis. Phytother Res 2023; 37:1488-1525. [PMID: 36717200 DOI: 10.1002/ptr.7738] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 01/05/2023] [Accepted: 01/05/2023] [Indexed: 02/01/2023]
Abstract
Regulated cell death (RCD) refers to programmed cell death regulated by various protein molecules, such as apoptosis, autophagy-dependent cell death, and necroptosis. Accumulating evidence has recently revealed that RCD subroutines have several links to many types of human cancer; therefore, targeting RCD with pharmacological small-molecule compounds would be a promising therapeutic strategy. Moreover, plant natural compounds, small-molecule compounds synthesized from plant sources, and their derivatives have been widely reported to regulate different RCD subroutines to improve potential cancer therapy. Thus, in this review, we focus on updating the intricate mechanisms of apoptosis, autophagy-dependent cell death, and necroptosis in cancer. Moreover, we further discuss several representative plant natural compounds and their derivatives that regulate the above-mentioned three subroutines of RCD, and their potential as candidate small-molecule drugs for the future cancer treatment.
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Affiliation(s)
- Yuanyuan Yang
- State Key Laboratory of Biotherapy and Cancer Center, Department of Otolaryngology, Head and Neck Surgery and Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yanmei Chen
- State Key Laboratory of Biotherapy and Cancer Center, Department of Otolaryngology, Head and Neck Surgery and Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, China
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jun Hao Wu
- State Key Laboratory of Biotherapy and Cancer Center, Department of Otolaryngology, Head and Neck Surgery and Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yueting Ren
- Department of Pharmacology and Toxicology, Temerity Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Bo Liu
- State Key Laboratory of Biotherapy and Cancer Center, Department of Otolaryngology, Head and Neck Surgery and Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yan Zhang
- State Key Laboratory of Biotherapy and Cancer Center, Department of Otolaryngology, Head and Neck Surgery and Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Haiyang Yu
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
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Urui M, Yamada Y, Nakagawa A, Sato F, Minami H, Shitan N. Enhanced Co-culture System Using Escherichia coli and Pichia pastoris (Komagataella phaffii) for Improved Microbial Production of Valuable Plant Alkaloids. Biol Pharm Bull 2023; 46:1494-1497. [PMID: 37779052 DOI: 10.1248/bpb.b23-00473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Advancements in synthetic biology have facilitated the microbial production of valuable plant metabolites. However, constructing complete biosynthetic pathways within a single host organism remains challenging. To solve this problem, modular co-culture systems involving host organisms with partial pathways have been developed. We focused on Escherichia coli, a general host for metabolite production, and Pichia pastoris (Komagataella phaffii), a novel synthetic biology host due to its high expression of biosynthetic enzymes. Previously, we reported the co-culture of E. coli cells, which produce reticuline (an important intermediate for various alkaloids) from glycerol, with P. pastoris cells, which produce the valuable alkaloid stylopine from reticuline. However, Pichia cells inhibited E. coli growth and reticuline production. Therefore, we aimed to improve this co-culture system. We investigated the pre-culture time before co-culture to enhance E. coli growth and reticuline production. Additionally, we examined the optimal concentration of Pichia cells inoculated for co-culture and methanol addition during co-culture for the continuous expression of biosynthetic enzymes in Pichia cells. We successfully established an improved co-culture system that exhibited an 80-fold increase in productivity compared to previous methods. This enhanced system holds great potential for the rapid and large-scale production of various valuable plant metabolites.
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Affiliation(s)
- Miya Urui
- Laboratory of Medicinal Cell Biology, Kobe Pharmaceutical University
| | - Yasuyuki Yamada
- Laboratory of Medicinal Cell Biology, Kobe Pharmaceutical University
| | - Akira Nakagawa
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University
| | - Fumihiko Sato
- Department of Plant Gene and Totipotency, Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University
- Graduate School of Science, Osaka Metropolitan University
| | - Hiromichi Minami
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University
| | - Nobukazu Shitan
- Laboratory of Medicinal Cell Biology, Kobe Pharmaceutical University
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Biosynthesis of cannabinoid precursor olivetolic acid in genetically engineered Yarrowia lipolytica. Commun Biol 2022; 5:1239. [PMID: 36371560 PMCID: PMC9653464 DOI: 10.1038/s42003-022-04202-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 10/31/2022] [Indexed: 11/13/2022] Open
Abstract
Engineering microbes to produce plant-derived natural products provides an alternate solution to obtain bioactive products. Here we report a systematic approach to sequentially identify the rate-limiting steps and improve the biosynthesis of the cannabinoid precursor olivetolic acid (OLA) in Yarrowia lipolytica. We find that Pseudomonas sp LvaE encoding a short-chain acyl-CoA synthetase can efficiently convert hexanoic acid to hexanoyl-CoA. The co-expression of the acetyl-CoA carboxylase, the pyruvate dehydrogenase bypass, the NADPH-generating malic enzyme, as well as the activation of peroxisomal β-oxidation pathway and ATP export pathway are effective strategies to redirect carbon flux toward OLA synthesis. Implementation of these strategies led to an 83-fold increase in OLA titer, reaching 9.18 mg/L of OLA in shake flask culture. This work may serve as a baseline for engineering cannabinoids biosynthesis in oleaginous yeast species.
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Rodrigues JL, Gomes D, Rodrigues LR. Challenges in the Heterologous Production of Furanocoumarins in Escherichia coli. Molecules 2022; 27:molecules27217230. [PMID: 36364054 PMCID: PMC9656933 DOI: 10.3390/molecules27217230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/13/2022] [Accepted: 10/20/2022] [Indexed: 12/02/2022] Open
Abstract
Coumarins and furanocoumarins are plant secondary metabolites with known biological activities. As they are present in low amounts in plants, their heterologous production emerged as a more sustainable and efficient approach to plant extraction. Although coumarins biosynthesis has been positively established, furanocoumarin biosynthesis has been far more challenging. This study aims to evaluate if Escherichia coli could be a suitable host for furanocoumarin biosynthesis. The biosynthetic pathway for coumarins biosynthesis in E. coli was effectively constructed, leading to the production of umbelliferone, esculetin and scopoletin (128.7, 17.6, and 15.7 µM, respectively, from tyrosine). However, it was not possible to complete the pathway with the enzymes that ultimately lead to furanocoumarins production. Prenyltransferase, psoralen synthase, and marmesin synthase did not show any activity when expressed in E. coli. Several strategies were tested to improve the enzymes solubility and activity with no success, including removing potential N-terminal transit peptides and expression of cytochrome P450 reductases, chaperones and/or enzymes to increase dimethylallylpyrophosphate availability. Considering the results herein obtained, E. coli does not seem to be an appropriate host to express these enzymes. However, new alternative microbial enzymes may be a suitable option for reconstituting the furanocoumarins pathway in E. coli. Nevertheless, until further microbial enzymes are identified, Saccharomyces cerevisiae may be considered a preferred host as it has already been proven to successfully express some of these plant enzymes.
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Affiliation(s)
- Joana L. Rodrigues
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
- Correspondence: ; Tel.: +35-125-360-4423
| | - Daniela Gomes
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Lígia R. Rodrigues
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
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Liu C, Li S. Engineered biosynthesis of plant polyketides by type III polyketide synthases in microorganisms. Front Bioeng Biotechnol 2022; 10:1017190. [PMID: 36312548 PMCID: PMC9614166 DOI: 10.3389/fbioe.2022.1017190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/04/2022] [Indexed: 11/28/2022] Open
Abstract
Plant specialized metabolites occupy unique therapeutic niches in human medicine. A large family of plant specialized metabolites, namely plant polyketides, exhibit diverse and remarkable pharmaceutical properties and thereby great biomanufacturing potential. A growing body of studies has focused on plant polyketide synthesis using plant type III polyketide synthases (PKSs), such as flavonoids, stilbenes, benzalacetones, curcuminoids, chromones, acridones, xanthones, and pyrones. Microbial expression of plant type III PKSs and related biosynthetic pathways in workhorse microorganisms, such as Saccharomyces cerevisiae, Escherichia coli, and Yarrowia lipolytica, have led to the complete biosynthesis of multiple plant polyketides, such as flavonoids and stilbenes, from simple carbohydrates using different metabolic engineering approaches. Additionally, advanced biosynthesis techniques led to the biosynthesis of novel and complex plant polyketides synthesized by diversified type III PKSs. This review will summarize efforts in the past 10 years in type III PKS-catalyzed natural product biosynthesis in microorganisms, especially the complete biosynthesis strategies and achievements.
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28
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Liu Y, Song D, Hu H, Yang R, Lyu X. De Novo Production of Hydroxytyrosol by Saccharomyces cerevisiae-Escherichia coli Coculture Engineering. ACS Synth Biol 2022; 11:3067-3077. [PMID: 35952699 DOI: 10.1021/acssynbio.2c00300] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Hydroxytyrosol is a valuable plant-derived phenolic compound with excellent pharmacological activities for application in the food and health care industries. Microbial biosynthesis provides a promising approach for sustainable production of hydroxytyrosol via metabolic engineering. However, its efficient production is limited by the machinery and resources available in the commonly used individual microbial platform, for example, Escherichia coli, Saccharomyces cerevisiae. In this study, a S. cerevisiae-E. coli coculture system was designed for de novo biosynthesis of hydroxytyrosol by taking advantage of their inherent metabolic properties, whereby S. cerevisiae was engineered for de novo production of tyrosol based on an endogenous Ehrlich pathway, and E. coli was dedicated to converting tyrosol to hydroxytyrosol by use of native hydroxyphenylacetate 3-monooxygenase (EcHpaBC). To enhance hydroxytyrosol production, intra- and intermodule engineering was employed in this microbial consortium: (I) in the upstream S. cerevisiae strain, multipath regulations combining with a glucose-sensitive GAL regulation system were engineered to enhance the precursor supply, resulting in significant increase of tyrosol production (from 17.60 mg/L to 461.07 mg/L); (II) Echpabc was overexpressed in the downstream E. coli strain, improving the conversion rate of tyrosol to hydroxytyrosol from 0.03% to 86.02%; (III) and last, intermodule engineering with this coculture system was performed by optimization of the initial inoculation ratio of each population and fermentation conditions, achieving 435.32 mg/L of hydroxytyrosol. This S. cerevisiae-E. coli coculture strategy provides a new opportunity for de novo production of hydroxytyrosol from inexpensive feedstock.
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Affiliation(s)
- Yingjie Liu
- School of Food Science and Technology, Jiangnan University, 214122, Wuxi, P. R. China
| | - Dong Song
- Jiangxi Baiyue Food Co. Ltd, Pingxiang, Jiangxi 337000, P. R. China
| | - Haitao Hu
- School of Food Science and Technology, Jiangnan University, 214122, Wuxi, P. R. China
| | - Ruijin Yang
- School of Food Science and Technology, Jiangnan University, 214122, Wuxi, P. R. China.,Jiangnan University (Rugao) Institute of Food Biotechnology, 226503, Nantong, P. R. China
| | - Xiaomei Lyu
- School of Food Science and Technology, Jiangnan University, 214122, Wuxi, P. R. China.,Jiangnan University (Rugao) Institute of Food Biotechnology, 226503, Nantong, P. R. China
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Akdemir H, Liu Y, Zhuang L, Zhang H, Koffas MAG. Utilization of microbial cocultures for converting mixed substrates to valuable bioproducts. Curr Opin Microbiol 2022; 68:102157. [DOI: 10.1016/j.mib.2022.102157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/26/2022] [Accepted: 04/21/2022] [Indexed: 11/03/2022]
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30
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Delineating biosynthesis of Huperzine A, A plant-derived medicine for the treatment of Alzheimer's disease. Biotechnol Adv 2022; 60:108026. [DOI: 10.1016/j.biotechadv.2022.108026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 07/01/2022] [Accepted: 07/26/2022] [Indexed: 11/22/2022]
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31
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Thuan NH, Tatipamula VB, Viet TT, Tien NQD, Loc NH. Bioproduction of eriodictyol by Escherichia coli engineered co-culture. World J Microbiol Biotechnol 2022; 38:112. [DOI: 10.1007/s11274-022-03294-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 04/22/2022] [Indexed: 10/18/2022]
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Cai M, Liu J, Song X, Qi H, Li Y, Wu Z, Xu H, Qiao M. De novo biosynthesis of p-coumaric acid and caffeic acid from carboxymethyl-cellulose by microbial co-culture strategy. Microb Cell Fact 2022; 21:81. [PMID: 35538542 PMCID: PMC9088102 DOI: 10.1186/s12934-022-01805-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/26/2022] [Indexed: 11/17/2022] Open
Abstract
Background Aromatic compounds, such as p-coumaric acid (p-CA) and caffeic acid, are secondary metabolites of various plants, and are widely used in diet and industry for their biological activities. In addition to expensive and unsustainable methods of plant extraction and chemical synthesis, the strategy for heterologous synthesis of aromatic compounds in microorganisms has received much attention. As the most abundant renewable resource in the world, lignocellulose is an economical and environmentally friendly alternative to edible, high-cost carbon sources such as glucose. Results In the present study, carboxymethyl-cellulose (CMC) was utilized as the sole carbon source, and a metabolically engineered Saccharomyces cerevisiae strain SK10-3 was co-cultured with other recombinant S. cerevisiae strains to achieve the bioconversion of value-added products from CMC. By optimizing the inoculation ratio, interval time, and carbon source content, the final titer of p-CA in 30 g/L CMC medium was increased to 71.71 mg/L, which was 155.9-fold higher than that achieved in mono-culture. The de novo biosynthesis of caffeic acid in the CMC medium was also achieved through a three-strain co-cultivation. Caffeic acid production was up to 16.91 mg/L after optimizing the inoculation ratio of these strains. Conclusion De novo biosynthesis of p-CA and caffeic acid from lignocellulose through a co-cultivation strategy was achieved for the first time. This study provides favorable support for the biosynthesis of more high value-added products from economical substrates. In addition, the multi-strain co-culture strategy can effectively improve the final titer of the target products, which has high application potential in the field of industrial production. Supplementary Information The online version contains supplementary material available at 10.1186/s12934-022-01805-5.
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Affiliation(s)
- Miao Cai
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Jiayu Liu
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Xiaofei Song
- College Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Hang Qi
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Yuanzi Li
- School of Light Industry, Beijing Technology and Business University (BTBU), Beijing, 100048, China
| | - Zhenzhou Wu
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Haijin Xu
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.
| | - Mingqiang Qiao
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.
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Thuan NH, Tatipamula VB, Canh NX, Van Giang N. Recent advances in microbial co-culture for production of value-added compounds. 3 Biotech 2022; 12:115. [PMID: 35547018 PMCID: PMC9018925 DOI: 10.1007/s13205-022-03177-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 03/31/2022] [Indexed: 02/06/2023] Open
Abstract
Micro-organisms have often been used to produce bioactive compounds as antibiotics, antifungals, and anti-tumors, etc. due to their easy and applicable culture, genetic manipulation, and extraction, etc. Mainly, microbial mono-cultures have been applied to produce value-added compounds and gotten numerous valuable results. However, mono-culture also has several complicated problems, such as metabolic burdens affecting the growth and development of the host, leading to a decrease in titer of the target compound. To circumvent those limitations, microbial co-culture has been technically developed and gained much interest compared to mono-culture. For example, co-culture simplifies the design of artificial biosynthetic pathways and restricts the recombinant host's metabolic burden, causing increased titer of desired compounds. This paper summarizes the recent advanced progress in applying microbial platform co-culture to produce natural products, such as flavonoid, terpenoid, alkaloid, etc. Furthermore, importantly different strategies for enhancing production, overcoming the metabolic burdens, building autonomous modulation of cell growth rate and culture composition in response to a quorum-sensing signal, etc., were also described in detail.
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Affiliation(s)
- Nguyen Huy Thuan
- Center for Molecular Biology, Duy Tan University, Da Nang, 550000 Vietnam
| | | | - Nguyen Xuan Canh
- Faculty of Biotechnology, Vietnam National University of Agriculture, Gialam, Hanoi Vietnam
| | - Nguyen Van Giang
- Faculty of Biotechnology, Vietnam National University of Agriculture, Gialam, Hanoi Vietnam
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Teka T, Zhang L, Ge X, Li Y, Han L, Yan X. Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review. PHYTOCHEMISTRY 2022; 197:113128. [PMID: 35183567 DOI: 10.1016/j.phytochem.2022.113128] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 02/08/2022] [Accepted: 02/09/2022] [Indexed: 06/14/2023]
Abstract
Stilbenes are some of the important phenolic compounds originating from plant families like Vitaceae, Leguminaceae, Gnetaceae, and Dipterocarpaceae. Structurally, they have a C6-C2-C6 skeleton, usually with two isomeric forms. Stilbenes are biosynthesized due to biotic and abiotic stresses such as microbial infections, high temperatures, and oxidation. This review aims to provide a comprehensive overview of stilbenes' botanical sources, chemistry, biosynthetic pathways, pharmacology, and clinical applications and challenges based on up-to-date data. All included studies were collected from PubMed, ScienceDirect, Google Scholar, and CNKI, and the presented data from these indexed studies were analyzed and summarized. A total of 459 natural stilbene compounds from 45 plant families and 196 plant species were identified. Pharmacological studies also show that stilbenes have various activities such as anticancer, antimicrobial, antioxidant, anti-inflammatory, anti-degenerative diseases, anti-diabetic, neuroprotective, anti-aging, and cardioprotective effects. Stilbene synthase (STS) is the key enzyme involved in stilbene biosynthetic pathways. Studies on the therapeutic application of stilbenes pinpoint that challenges such as low bioavailability and isomerization are the major bottlenecks for their development as therapeutic drugs. Although the medicinal uses of several stilbenes have been demonstrated in vivo and in vitro, studies on the development of stilbenes deserve more attention in the future.
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Affiliation(s)
- Tekleab Teka
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China; Department of Pharmacy, College of Medicine and Health Sciences, Wollo University, P. O. Box 1145, Dessie, Ethiopia
| | - Lele Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China
| | - Xiaoyan Ge
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China
| | - Yanjie Li
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China
| | - Lifeng Han
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China.
| | - Xiaohui Yan
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China.
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Biotechnological production of specialty aromatic and aromatic-derivative compounds. World J Microbiol Biotechnol 2022; 38:80. [PMID: 35338395 DOI: 10.1007/s11274-022-03263-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/05/2022] [Indexed: 10/18/2022]
Abstract
Aromatic compounds are an important class of chemicals with different industrial applications. They are usually produced by chemical synthesis from petroleum-derived feedstocks, such as toluene, xylene and benzene. However, we are now facing threats from the excessive use of fossil fuels causing environmental problems such as global warming. Furthermore, fossil resources are not infinite, and will ultimately be depleted. To cope with these problems, the sustainable production of aromatic chemicals from renewable non-food biomass is urgent. With this in mind, the search for alternative methodologies to produce aromatic compounds using low-cost and environmentally friendly processes is becoming more and more important. Microorganisms are able to produce aromatic and aromatic-derivative compounds from sugar-based carbon sources. Metabolic engineering strategies as well as bioprocess optimization enable the development of microbial cell factories capable of efficiently producing aromatic compounds. This review presents current breakthroughs in microbial production of specialty aromatic and aromatic-derivative products, providing an overview on the general strategies and methodologies applied to build microbial cell factories for the production of these compounds. We present and describe some of the current challenges and gaps that must be overcome in order to render the biotechnological production of specialty aromatic and aromatic-derivative attractive and economically feasible at industrial scale.
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Hussain MH, Mohsin MZ, Zaman WQ, Yu J, Zhao X, Wei Y, Zhuang Y, Mohsin A, Guo M. Multiscale engineering of microbial cell factories: A step forward towards sustainable natural products industry. Synth Syst Biotechnol 2022; 7:586-601. [PMID: 35155840 PMCID: PMC8816652 DOI: 10.1016/j.synbio.2021.12.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/08/2021] [Accepted: 12/30/2021] [Indexed: 01/09/2023] Open
Abstract
Microbial cell factories (bacteria and fungi) are the leading producers of beneficial natural products such as lycopene, carotene, herbal medicine, and biodiesel etc. These microorganisms are considered efficient due to their effective bioprocessing strategy (monoculture- and consortial-based approach) under distinct processing conditions. Meanwhile, the advancement in genetic and process optimization techniques leads to enhanced biosynthesis of natural products that are known functional ingredients with numerous applications in the food, cosmetic and medical industries. Natural consortia and monoculture thrive in nature in a small proportion, such as wastewater, food products, and soils. In similitude to natural consortia, it is possible to engineer artificial microbial consortia and program their behaviours via synthetic biology tools. Therefore, this review summarizes the optimization of genetic and physicochemical parameters of the microbial system for improved production of natural products. Also, this review presents a brief history of natural consortium and describes the functional properties of monocultures. This review focuses on synthetic biology tools that enable new approaches to design synthetic consortia; and highlights the syntropic interactions that determine the performance and stability of synthetic consortia. In particular, the effect of processing conditions and advanced genetic techniques to improve the productibility of both monoculture and consortial based systems have been greatly emphasized. In this context, possible strategies are also discussed to give an insight into microbial engineering for improved production of natural products in the future. In summary, it is concluded that the coupling of genomic modifications with optimum physicochemical factors would be promising for producing a robust microbial cell factory that shall contribute to the increased production of natural products.
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Affiliation(s)
- Muhammad Hammad Hussain
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Muhammad Zubair Mohsin
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Waqas Qamar Zaman
- Institute of Environmental Sciences and Engineering, School of Civil and Environmental Engineering, National University of Sciences and Technology (NUST), Sector H-12, Islamabad, 44000, Pakistan
| | - Junxiong Yu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Xueli Zhao
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Yanlong Wei
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Yingping Zhuang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Ali Mohsin
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
- Corresponding author. East China University of Science and Technology, 130 Meilong Rd, Shanghai, 200237, PR China.
| | - Meijin Guo
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
- Corresponding author. P.O. box 329#, East China University of Science and Technology, 130 Meilong Rd., Shanghai, 200237, PR China.
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New eco-friendly trends to produce biofuel and bioenergy from microorganisms: An updated review. Saudi J Biol Sci 2022. [DOI: 10.1016/j.sjbs.2022.02.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
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Feng C, Chen J, Ye W, Liao K, Wang Z, Song X, Qiao M. Synthetic Biology-Driven Microbial Production of Resveratrol: Advances and Perspectives. Front Bioeng Biotechnol 2022; 10:833920. [PMID: 35127664 PMCID: PMC8811299 DOI: 10.3389/fbioe.2022.833920] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 01/05/2022] [Indexed: 12/22/2022] Open
Abstract
Resveratrol, a bioactive natural product found in many plants, is a secondary metabolite and has attracted much attention in the medicine and health care products fields due to its remarkable biological activities including anti-cancer, anti-oxidation, anti-aging, anti-inflammation, neuroprotection and anti-glycation. However, traditional chemical synthesis and plant extraction methods are impractical for industrial resveratrol production because of low yield, toxic chemical solvents and environmental pollution during the production process. Recently, the biosynthesis of resveratrol by constructing microbial cell factories has attracted much attention, because it provides a safe and efficient route for the resveratrol production. This review discusses the physiological functions and market applications of resveratrol. In addition, recent significant biotechnology advances in resveratrol biosynthesis are systematically summarized. Furthermore, we discuss the current challenges and future prospects for strain development for large-scale resveratrol production at an industrial level.
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Affiliation(s)
- Chao Feng
- Department of Urology, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Jing Chen
- Department of Urology, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Wenxin Ye
- Department of Urology, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Kaisen Liao
- Department of Urology, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Zhanshi Wang
- Department of Urology, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Xiaofei Song
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, China
- The Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
- *Correspondence: Xiaofei Song, ; Mingqiang Qiao,
| | - Mingqiang Qiao
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, China
- College of Life Sciences, Shanxi University, Taiyuan, China
- *Correspondence: Xiaofei Song, ; Mingqiang Qiao,
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Liao YL, Niu FX, Liu JZ. Recent Progress in Microbial Biosynthesis by Coculture Engineering. APPL BIOCHEM MICRO+ 2021. [DOI: 10.1134/s0003683821100033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Zhang Q, Zeng W, Xu S, Zhou J. Metabolism and strategies for enhanced supply of acetyl-CoA in Saccharomyces cerevisiae. BIORESOURCE TECHNOLOGY 2021; 342:125978. [PMID: 34598073 DOI: 10.1016/j.biortech.2021.125978] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 06/13/2023]
Abstract
Acetyl-CoA is a kind of important cofactor that is involved in many metabolic pathways. It serves as the precursor for many interesting commercial products, such as terpenes, flavonoids and anthraquinones. However, the insufficient supply of acetyl-CoA limits biosynthesis of its derived compounds in the intracellular. In this review, we outlined metabolic pathways involved in the catabolism and anabolism of acetyl-CoA, as well as some important derived products. We examined several strategies for the enhanced supply of acetyl-CoA, and provided insight into pathways that generate acetyl-CoA to balance metabolism, which can be harnessed to improve the titer, yield and productivities of interesting products in Saccharomyces cerevisiae and other eukaryotic microorganisms. We believe that peroxisomal fatty acid β-oxidation could be an attractive strategy for enhancing the supply of acetyl-CoA.
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Affiliation(s)
- Qian Zhang
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Weizhu Zeng
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Sha Xu
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Jingwen Zhou
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
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Effendi SSW, Xue C, Tan SI, Ng IS. Whole-cell biocatalyst of recombinant tyrosine ammonia lyase with fusion protein and integrative chaperone in Escherichia coli for high-level p-Coumaric acid production. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.08.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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42
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Urui M, Yamada Y, Ikeda Y, Nakagawa A, Sato F, Minami H, Shitan N. Establishment of a co-culture system using Escherichia coli and Pichia pastoris (Komagataella phaffii) for valuable alkaloid production. Microb Cell Fact 2021; 20:200. [PMID: 34663314 PMCID: PMC8522034 DOI: 10.1186/s12934-021-01687-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 09/24/2021] [Indexed: 12/14/2022] Open
Abstract
Background Plants produce a variety of specialized metabolites, many of which are used in pharmaceutical industries as raw materials. However, certain metabolites may be produced at markedly low concentrations in plants. This problem has been overcome through metabolic engineering in recent years, and the production of valuable plant compounds using microorganisms such as Escherichia coli or yeast cells has been realized. However, the development of complicated pathways in a single cell remains challenging. Additionally, microbial cells may experience toxicity from the bioactive compounds produced or negative feedback effects exerted on their biosynthetic enzymes. Thus, co-culture systems, such as those of E. coli–E. coli and E. coli-Saccharomyces cerevisiae, have been developed, and increased production of certain compounds has been achieved. Recently, a co-culture system of Pichia pastoris (Komagataella phaffii) has gained considerable attention due to its potential utility in increased production of valuable compounds. However, its co-culture with other organisms such as E. coli, which produce important intermediates at high concentrations, has not been reported. Results Here, we present a novel co-culture platform for E. coli and P. pastoris. Upstream E. coli cells produced reticuline from a simple carbon source, and the downstream P. pastoris cells produced stylopine from reticuline. We investigated the effect of four media commonly used for growth and production of P. pastoris, and found that buffered methanol-complex medium (BMMY) was suitable for P. pastoris cells. Reticuline-producing E. coli cells also showed better growth and reticuline production in BMMY medium than that in LB medium. De novo production of the final product, stylopine from a simple carbon source, glycerol, was successful upon co-culture of both strains in BMMY medium. Further analysis of the initial inoculation ratio showed that a higher ratio of E. coli cells compared to P. pastoris cells led to higher production of stylopine. Conclusions This is the first report of co-culture system established with engineered E. coli and P. pastoris for the de novo production of valuable compounds. The co-culture system established herein would be useful for increased production of heterologous biosynthesis of complex specialized plant metabolites. Supplementary Information The online version contains supplementary material available at 10.1186/s12934-021-01687-z.
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Affiliation(s)
- Miya Urui
- Laboratory of Medicinal Cell Biology, Kobe Pharmaceutical University, Motoyamakita-machi, Higashinada-ku, Kobe, 658-8558, Japan
| | - Yasuyuki Yamada
- Laboratory of Medicinal Cell Biology, Kobe Pharmaceutical University, Motoyamakita-machi, Higashinada-ku, Kobe, 658-8558, Japan
| | - Yoshito Ikeda
- Laboratory of Medicinal Cell Biology, Kobe Pharmaceutical University, Motoyamakita-machi, Higashinada-ku, Kobe, 658-8558, Japan
| | - Akira Nakagawa
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi-shi, Ishikawa, 921-8836, Japan
| | - Fumihiko Sato
- Department of Plant Gene and Totipotency, Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, 606-8502, Japan.,Graduate School of Science, Osaka Prefecture University, Sakai, 599-8531, Japan
| | - Hiromichi Minami
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi-shi, Ishikawa, 921-8836, Japan
| | - Nobukazu Shitan
- Laboratory of Medicinal Cell Biology, Kobe Pharmaceutical University, Motoyamakita-machi, Higashinada-ku, Kobe, 658-8558, Japan.
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Dickey RM, Forti AM, Kunjapur AM. Advances in engineering microbial biosynthesis of aromatic compounds and related compounds. BIORESOUR BIOPROCESS 2021; 8:91. [PMID: 38650203 PMCID: PMC10992092 DOI: 10.1186/s40643-021-00434-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 08/18/2021] [Indexed: 01/14/2023] Open
Abstract
Aromatic compounds have broad applications and have been the target of biosynthetic processes for several decades. New biomolecular engineering strategies have been applied to improve production of aromatic compounds in recent years, some of which are expected to set the stage for the next wave of innovations. Here, we will briefly complement existing reviews on microbial production of aromatic compounds by focusing on a few recent trends where considerable work has been performed in the last 5 years. The trends we highlight are pathway modularization and compartmentalization, microbial co-culturing, non-traditional host engineering, aromatic polymer feedstock utilization, engineered ring cleavage, aldehyde stabilization, and biosynthesis of non-standard amino acids. Throughout this review article, we will also touch on unmet opportunities that future research could address.
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Affiliation(s)
- Roman M Dickey
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, USA
| | - Amanda M Forti
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, USA
| | - Aditya M Kunjapur
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, USA.
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Lalwani MA, Kawabe H, Mays RL, Hoffman SM, Avalos JL. Optogenetic Control of Microbial Consortia Populations for Chemical Production. ACS Synth Biol 2021; 10:2015-2029. [PMID: 34351122 DOI: 10.1021/acssynbio.1c00182] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Microbial co-culture fermentations can improve chemical production from complex biosynthetic pathways over monocultures by distributing enzymes across multiple strains, thereby reducing metabolic burden, overcoming endogenous regulatory mechanisms, or exploiting natural traits of different microbial species. However, stabilizing and optimizing microbial subpopulations for maximal chemical production remains a major obstacle in the field. In this study, we demonstrate that optogenetics is an effective strategy to dynamically control populations in microbial co-cultures. Using a new optogenetic circuit we call OptoTA, we regulate an endogenous toxin-antitoxin system, enabling tunability of Escherichia coli growth using only blue light. With this system we can control the population composition of co-cultures of E. coli and Saccharomyces cerevisiae. When introducing in each strain different metabolic modules of biosynthetic pathways for isobutyl acetate or naringenin, we found that the productivity of co-cultures increases by adjusting the population ratios with specific light duty cycles. This study shows the feasibility of using optogenetics to control microbial consortia populations and the advantages of using light to control their chemical production.
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Affiliation(s)
- Makoto A. Lalwani
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Hinako Kawabe
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Rebecca L. Mays
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Shannon M. Hoffman
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - José L. Avalos
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
- The Andlinger Center for Energy and the Environment, Princeton University, Princeton, New Jersey 08544, United States
- Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, United States
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Gao B, Yang B, Feng X, Li C. Recent advances in the biosynthesis strategies of nitrogen heterocyclic natural products. Nat Prod Rep 2021; 39:139-162. [PMID: 34374396 DOI: 10.1039/d1np00017a] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Covering: 2015 to 2020Nitrogen heterocyclic natural products (NHNPs) are primary or secondary metabolites containing nitrogen heterocyclic (N-heterocyclic) skeletons. Due to the existence of the N-heterocyclic structure, NHNPs exhibit various bioactivities such as anticancer and antibacterial, which makes them widely used in medicines, pesticides, and food additives. However, the low content of these NHNPs in native organisms severely restricts their commercial application. Although a variety of NHNPs have been produced through extraction or chemical synthesis strategies, these methods suffer from several problems. The development of biotechnology provides new options for the production of NHNPs. This review introduces the recent progress of two strategies for the biosynthesis of NHNPs: enzymatic biosynthesis and microbial cell factory. In the enzymatic biosynthesis part, the recent progress in the mining of enzymes that synthesize N-heterocyclic skeletons (e.g., pyrrole, piperidine, diketopiperazine, and isoquinoline), the engineering of tailoring enzymes, and enzyme cascades constructed to synthesize NHNPs are discussed. In the microbial cell factory part, with tropane alkaloids (TAs) and tetrahydroisoquinoline (THIQ) alkaloids as the representative compounds, the strategies of unraveling unknown natural biosynthesis pathways of NHNPs in plants are summarized, and various metabolic engineering strategies to enhance their production in microbes are introduced. Ultimately, future perspectives for accelerating the biosynthesis of NHNPs are discussed.
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Affiliation(s)
- Bo Gao
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Institute of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China.
| | - Bo Yang
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering, Key Laboratory of Systems Bioengineering, Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Xudong Feng
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Institute of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China.
| | - Chun Li
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Institute of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China. and SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering, Key Laboratory of Systems Bioengineering, Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China and Key Laboratory for Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing, China
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Sørensen M, Møller BL. Metabolic Engineering of Photosynthetic Cells – in Collaboration with Nature. Metab Eng 2021. [DOI: 10.1002/9783527823468.ch21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Harnessing the yeast Saccharomyces cerevisiae for the production of fungal secondary metabolites. Essays Biochem 2021; 65:277-291. [PMID: 34061167 PMCID: PMC8314005 DOI: 10.1042/ebc20200137] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/09/2021] [Accepted: 04/14/2021] [Indexed: 12/17/2022]
Abstract
Fungal secondary metabolites (FSMs) represent a remarkable array of bioactive compounds, with potential applications as pharmaceuticals, nutraceuticals, and agrochemicals. However, these molecules are typically produced only in limited amounts by their native hosts. The native organisms may also be difficult to cultivate and genetically engineer, and some can produce undesirable toxic side-products. Alternatively, recombinant production of fungal bioactives can be engineered into industrial cell factories, such as aspergilli or yeasts, which are well amenable for large-scale manufacturing in submerged fermentations. In this review, we summarize the development of baker's yeast Saccharomyces cerevisiae to produce compounds derived from filamentous fungi and mushrooms. These compounds mainly include polyketides, terpenoids, and amino acid derivatives. We also describe how native biosynthetic pathways can be combined or expanded to produce novel derivatives and new-to-nature compounds. We describe some new approaches for cell factory engineering, such as genome-scale engineering, biosensor-based high-throughput screening, and machine learning, and how these tools have been applied for S. cerevisiae strain improvement. Finally, we prospect the challenges and solutions in further development of yeast cell factories to more efficiently produce FSMs.
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Ibrahim M, Raajaraam L, Raman K. Modelling microbial communities: Harnessing consortia for biotechnological applications. Comput Struct Biotechnol J 2021; 19:3892-3907. [PMID: 34584635 PMCID: PMC8441623 DOI: 10.1016/j.csbj.2021.06.048] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/29/2021] [Accepted: 06/29/2021] [Indexed: 02/06/2023] Open
Abstract
Microbes propagate and thrive in complex communities, and there are many benefits to studying and engineering microbial communities instead of single strains. Microbial communities are being increasingly leveraged in biotechnological applications, as they present significant advantages such as the division of labour and improved substrate utilisation. Nevertheless, they also present some interesting challenges to surmount for the design of efficient biotechnological processes. In this review, we discuss key principles of microbial interactions, followed by a deep dive into genome-scale metabolic models, focussing on a vast repertoire of constraint-based modelling methods that enable us to characterise and understand the metabolic capabilities of microbial communities. Complementary approaches to model microbial communities, such as those based on graph theory, are also briefly discussed. Taken together, these methods provide rich insights into the interactions between microbes and how they influence microbial community productivity. We finally overview approaches that allow us to generate and test numerous synthetic community compositions, followed by tools and methodologies that can predict effective genetic interventions to further improve the productivity of communities. With impending advancements in high-throughput omics of microbial communities, the stage is set for the rapid expansion of microbial community engineering, with a significant impact on biotechnological processes.
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Affiliation(s)
- Maziya Ibrahim
- Bhupat and Jyoti Mehta School of Biosciences, Department of Biotechnology, Indian Institute of Technology (IIT) Madras, Chennai 600 036, India
- Centre for Integrative Biology and Systems Medicine (IBSE), IIT Madras, Chennai 600 036, India
- Robert Bosch Centre for Data Science and Artificial Intelligence (RBCDSAI), IIT Madras, Chennai 600 036, India
| | - Lavanya Raajaraam
- Bhupat and Jyoti Mehta School of Biosciences, Department of Biotechnology, Indian Institute of Technology (IIT) Madras, Chennai 600 036, India
- Centre for Integrative Biology and Systems Medicine (IBSE), IIT Madras, Chennai 600 036, India
- Robert Bosch Centre for Data Science and Artificial Intelligence (RBCDSAI), IIT Madras, Chennai 600 036, India
| | - Karthik Raman
- Bhupat and Jyoti Mehta School of Biosciences, Department of Biotechnology, Indian Institute of Technology (IIT) Madras, Chennai 600 036, India
- Centre for Integrative Biology and Systems Medicine (IBSE), IIT Madras, Chennai 600 036, India
- Robert Bosch Centre for Data Science and Artificial Intelligence (RBCDSAI), IIT Madras, Chennai 600 036, India
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Saral A, Kanekar S, Koul KK, Bhagyawant SS. Plant growth promoting bacteria induce anti-quorum-sensing substances in chickpea legume seedling bioassay. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2021; 27:1577-1595. [PMID: 34366598 PMCID: PMC8295451 DOI: 10.1007/s12298-021-01034-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 05/27/2021] [Accepted: 07/06/2021] [Indexed: 05/22/2023]
Abstract
UNLABELLED Microorganisms and their hosts communicate through an array of signals. Many physiological processes regulated in quorum sensing (QS) are dependent on auto-inducers, like N-acyl-homoserine lactones (AHLs) as in numerous groups of both gram-positive and gram-negative bacteria. In vitro grown seven-day old chickpea seedlings treated with plant growth promoting bacteria (PGPRs) were used to screen the AHL mimicking and for phytochemical substances like phytohormones and secondary metabolites such as phenolics and flavonoids. Potential anti-quorum sensing (anti-QS) activity surrounding the roots on semi-solid agar lawn of Chromobacterium violaceum (ATCC12742) was observed. Crude protein (4.46-8.30 μg/mL) and methanolic extracts (100 μg/mL) of seedling gave moderate anti-QS activity against CV12742 anti QS bioassay, respectively. Crude protein and methanolic extract of Bacillus amyloliquefaciens (34.00 ± 2.23; 34.00 ± 4.33 mm) and B. subtilis A (27.00 ± 2.10; 3.29 ± 2.16 mm) treated samples showed higher zone of inhibition due to anti-QS activity. Phytohormone analysis using LC-MS for zeatin, auxin and methyl jasmonate (MeJA) indicated that phytohormones were significantly upregulated by 1909.80 ng/g FW, 669.67 ng/g FW and 244.55 ng/g FW, respectively in Pseudomonas brassicacearum treated seedlings compared to control. UHPLC of PGPR treated seedlings showed overly expressed gallic acid, protocatechuic acid, catechin, p-hydroxybenzoic acid, caffeic acid, catechol, vanillin, and ferulic acid in B. amyloliquefaciens treated seedlings compared to others. Enrichment analysis identified significant pathways related to metabolism, biosynthesis of secondary metabolites. The present study indicates that chickpea neutralizes an extensive range of functional responses to AHLs that may play important role in legume host-microbe interactions. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12298-021-01034-x.
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Affiliation(s)
- Anamika Saral
- School of Studies in Biotechnology, Jiwaji University, Gwalior, 474011 India
| | - Saptami Kanekar
- Yenepoya Research Centre, Yenepoya University, Deralakatte, Mangalore, India
| | - Kirtee Kumar Koul
- School of Studies in Biotechnology, Jiwaji University, Gwalior, 474011 India
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Xu Y, Wu Y, Lv X, Sun G, Zhang H, Chen T, Du G, Li J, Liu L. Design and construction of novel biocatalyst for bioprocessing: Recent advances and future outlook. BIORESOURCE TECHNOLOGY 2021; 332:125071. [PMID: 33826982 DOI: 10.1016/j.biortech.2021.125071] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/19/2021] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
Bioprocess, a biocatalysis-based technology, is becoming popular in many research fields and widely applied in industrial manufacturing. However, low bioconversion, low productivity, and high costs during industrial processes are usually the limitation in bioprocess. Therefore, many biocatalyst strategies have been developed to meet these challenges in recent years. In this review, we firstly discuss protein engineering strategies, which are emerged for improving the biocatalysis activity of biocatalysts. Then, we summarize metabolic engineering strategies that are promoting the development of microbial cell factories. Next, we illustrate the necessity of using the combining strategy of protein engineering and metabolic engineering for efficient biocatalysts. Lastly, future perspectives about the development and application of novel biocatalyst strategies are discussed. This review provides theoretical guidance for the development of efficient, sustainable, and economical bioprocesses mediated by novel biocatalysts.
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Affiliation(s)
- Yameng Xu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, PR China; Science Center for Future Foods, Jiangnan University, Wuxi 214122, PR China
| | - Yaokang Wu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, PR China; Science Center for Future Foods, Jiangnan University, Wuxi 214122, PR China
| | - Xueqin Lv
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, PR China; Science Center for Future Foods, Jiangnan University, Wuxi 214122, PR China
| | - Guoyun Sun
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, PR China; Science Center for Future Foods, Jiangnan University, Wuxi 214122, PR China
| | - Hongzhi Zhang
- Shandong Runde Biotechnology Co., Ltd., Tai'an 271000, PR China
| | - Taichi Chen
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, PR China; Science Center for Future Foods, Jiangnan University, Wuxi 214122, PR China
| | - Guocheng Du
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, PR China; Science Center for Future Foods, Jiangnan University, Wuxi 214122, PR China
| | - Jianghua Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, PR China; Science Center for Future Foods, Jiangnan University, Wuxi 214122, PR China
| | - Long Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, PR China; Science Center for Future Foods, Jiangnan University, Wuxi 214122, PR China.
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