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Cordeiro CN, Rojas P, Veras STS, Kato MT, Florencio L, Sanz JL. Effect of loading rate and pH on glycerol fermentation and microbial population in an upflow anaerobic filter reactor. Bioprocess Biosyst Eng 2024; 47:991-1002. [PMID: 38822157 PMCID: PMC11213801 DOI: 10.1007/s00449-024-03003-6] [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: 08/10/2023] [Accepted: 03/13/2024] [Indexed: 06/02/2024]
Abstract
A reactor with silicone tubes as support medium was used for glycerol fermentation. The experimental set-up consisted of three phases. In P1, the applied glycerol loading rate (gly-LR) was in the range of 6-10 g.L-1.d-1 at an influent pH of 7.9 ± 0.4. In P2, gly-LR was kept constant (18.0 ± 1.8 g.L-1.d-1) with different doses of NaHCO3. Finally in P3, two different gly-LR (9 and 18 g.L-1.d-1) were evaluated, dosing 1 g-NaHCO3 per g-COD of glycerol. Glycerol consumption was close 90%. The main end-product was 1,3-propanediol (1,3-PDO) (0.40 mol.mol-gly-1), but ethanol was also generated, particularly at pH above 8 and low gly-LR (0.20 mol.mol-gly-1). After 1-year operation with glycerol as the only carbon source, a drastic shift in the bacterial community was observed. The 1,3-PDO producers Lacrimispora and Clostridium became dominant, although non-glycerol-degrading fermentative genera, e.g., Actinomyces and Eubacterium, thrived at the expense of cellular breakdown products.
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Affiliation(s)
- Cândida N Cordeiro
- Department of Molecular Biology, Autonomous University of Madrid, 28049, Madrid, Spain.
- Department of Civil and Environmental Engineering, Laboratory of Environmental Sanitation, Federal University of Pernambuco, Recife, PE, 50740-530, Brazil.
| | - Patricia Rojas
- Department of Molecular Biology, Autonomous University of Madrid, 28049, Madrid, Spain
| | - Shyrlane T S Veras
- Department of Civil and Environmental Engineering, Laboratory of Environmental Sanitation, Federal University of Pernambuco, Recife, PE, 50740-530, Brazil
| | - Mario T Kato
- Department of Civil and Environmental Engineering, Laboratory of Environmental Sanitation, Federal University of Pernambuco, Recife, PE, 50740-530, Brazil
| | - Lourdinha Florencio
- Department of Civil and Environmental Engineering, Laboratory of Environmental Sanitation, Federal University of Pernambuco, Recife, PE, 50740-530, Brazil
| | - José Luis Sanz
- Department of Molecular Biology, Autonomous University of Madrid, 28049, Madrid, Spain
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2
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Wang XL, Sun YQ, Pan DT, Xiu ZL. Kinetics-based development of two-stage continuous fermentation of 1,3-propanediol from crude glycerol by Clostridium butyricum. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2024; 17:38. [PMID: 38454489 PMCID: PMC10921705 DOI: 10.1186/s13068-024-02486-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 03/01/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND Glycerol, as a by-product, mainly derives from the conversion of many crops to biodiesel, ethanol, and fatty ester. Its bioconversion to 1,3-propanediol (1,3-PDO) is an environmentally friendly method. Continuous fermentation has many striking merits over fed-batch and batch fermentation, such as high product concentration with easy feeding operation, long-term high productivity without frequent seed culture, and energy-intensive sterilization. However, it is usually difficult to harvest high product concentrations. RESULTS In this study, a three-stage continuous fermentation was firstly designed to produce 1,3-PDO from crude glycerol by Clostridium butyricum, in which the first stage fermentation was responsible for providing the excellent cells in a robust growth state, the second stage focused on promoting 1,3-PDO production, and the third stage aimed to further boost the 1,3-PDO concentration and reduce the residual glycerol concentration as much as possible. Through the three-stage continuous fermentation, 80.05 g/L 1,3-PDO as the maximum concentration was produced while maintaining residual glycerol of 5.87 g/L, achieving a yield of 0.48 g/g and a productivity of 3.67 g/(L·h). Based on the 14 sets of experimental data from the first stage, a kinetic model was developed to describe the intricate relationships among the concentrations of 1,3-PDO, substrate, biomass, and butyrate. Subsequently, this kinetic model was used to optimize and predict the highest 1,3-PDO productivity of 11.26 g/(L·h) in the first stage fermentation, while the glycerol feeding concentration and dilution rate were determined to be 92 g/L and 0.341 h-1, separately. Additionally, to achieve a target 1,3-PDO production of 80 g/L without the third stage fermentation, the predicted minimum volume ratio of the second fermenter to the first one was 11.9. The kinetics-based two-stage continuous fermentation was experimentally verified well with the predicted results. CONCLUSION A novel three-stage continuous fermentation and a kinetic model were reported. Then a simpler two-stage continuous fermentation was developed based on the optimization of the kinetic model. This kinetics-based development of two-stage continuous fermentation could achieve high-level production of 1,3-PDO. Meanwhile, it provides a reference for other bio-chemicals production by applying kinetics to optimize multi-stage continuous fermentation.
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Affiliation(s)
- Xiao-Li Wang
- MOE Key Laboratory of Bio-Intelligent Manufacturing, School of Bioengineering, Dalian University of Technology, No. 2 Linggong Road, Ganjingzi District, Dalian, 116024, Liaoning, People's Republic of China
| | - Ya-Qin Sun
- MOE Key Laboratory of Bio-Intelligent Manufacturing, School of Bioengineering, Dalian University of Technology, No. 2 Linggong Road, Ganjingzi District, Dalian, 116024, Liaoning, People's Republic of China
| | - Duo-Tao Pan
- Institute of Information and Engineering, Shenyang University of Chemical Technology, Shenyang, 110142, Liaoning, People's Republic of China
| | - Zhi-Long Xiu
- MOE Key Laboratory of Bio-Intelligent Manufacturing, School of Bioengineering, Dalian University of Technology, No. 2 Linggong Road, Ganjingzi District, Dalian, 116024, Liaoning, People's Republic of China.
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Cisneros de la Cueva S, Jaimes Zuñiga SC, Pérez Vega SB, Mendoza Chacon J, Salmerón Ochoa I, Quintero Ramos A. Effect of the addition of an inorganic carbon source on the degradation of sotol vinasse by Rhodopseudomonastelluris. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 355:120350. [PMID: 38422846 DOI: 10.1016/j.jenvman.2024.120350] [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: 09/30/2023] [Revised: 01/13/2024] [Accepted: 02/08/2024] [Indexed: 03/02/2024]
Abstract
The difficulty of the microbial conversion process for the degradation of sotol vinasse due to its high acidity and organic load makes it an effluent with high potential for environmental contamination, therefore its treatment is of special interest. Calcium carbonate is found in great abundance and has the ability to act as a neutralizing agent, maintaining the alkalinity of the fermentation medium as well as, through its dissociation, releasing CO2 molecules that can be used by phototrophic CO2-fixing bacteria. This study evaluated the use of Rhodopseudomonas telluris (OR069658) for the degradation of vinasse in different concentrations of calcium carbonate (0, 2, 4, 6, 8 and 10% m/v). The results showed that calcium carbonate concentration influenced volatile fatty acids (VFA), alkalinity and pH, which in turn influenced changes in the degradation of chemical oxygen demand (COD), phenol and sulfate. Maximum COD and phenol degradation values of 83.16 ± 0.15% and 90.16 ± 0.30%, respectively, were obtained at a calcium carbonate concentration of 4%. At the same time, the lowest COD and phenol degradation values of 52.01 ± 0.38% and 68.21 ± 0.81%, respectively, were obtained at a calcium carbonate concentration of 0%. The data obtained also revealed to us that at high calcium carbonate concentrations of 6-10%, sotol vinasse can be biosynthesized by Rhodopseudomonas telluris (OR069658) to VFA, facilitating the degradation of sulfates. The findings of this study confirmed the potential for using Rhodopseudomonas telluris (OR069658) at a calcium carbonate concentration of 4% as an appropriate alternative treatment for sotol vinasse degradation.
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Affiliation(s)
- Sergio Cisneros de la Cueva
- Faculty of Chemical Sciences, Autonomous University of Chihuahua, Address: Circuit 1, New University Campus, 31125, Chihuahua, Chih., Mexico.
| | - Sara Citlaly Jaimes Zuñiga
- Faculty of Chemical Sciences, Autonomous University of Chihuahua, Address: Circuit 1, New University Campus, 31125, Chihuahua, Chih., Mexico
| | - Samuel Bernardo Pérez Vega
- Faculty of Chemical Sciences, Autonomous University of Chihuahua, Address: Circuit 1, New University Campus, 31125, Chihuahua, Chih., Mexico
| | - Johan Mendoza Chacon
- Faculty of Chemical Sciences, Autonomous University of Chihuahua, Address: Circuit 1, New University Campus, 31125, Chihuahua, Chih., Mexico
| | - Iván Salmerón Ochoa
- Faculty of Chemical Sciences, Autonomous University of Chihuahua, Address: Circuit 1, New University Campus, 31125, Chihuahua, Chih., Mexico
| | - Armando Quintero Ramos
- Faculty of Chemical Sciences, Autonomous University of Chihuahua, Address: Circuit 1, New University Campus, 31125, Chihuahua, Chih., Mexico
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Hayes G, Laurel M, MacKinnon D, Zhao T, Houck HA, Becer CR. Polymers without Petrochemicals: Sustainable Routes to Conventional Monomers. Chem Rev 2023; 123:2609-2734. [PMID: 36227737 PMCID: PMC9999446 DOI: 10.1021/acs.chemrev.2c00354] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Access to a wide range of plastic materials has been rationalized by the increased demand from growing populations and the development of high-throughput production systems. Plastic materials at low costs with reliable properties have been utilized in many everyday products. Multibillion-dollar companies are established around these plastic materials, and each polymer takes years to optimize, secure intellectual property, comply with the regulatory bodies such as the Registration, Evaluation, Authorisation and Restriction of Chemicals and the Environmental Protection Agency and develop consumer confidence. Therefore, developing a fully sustainable new plastic material with even a slightly different chemical structure is a costly and long process. Hence, the production of the common plastic materials with exactly the same chemical structures that does not require any new registration processes better reflects the reality of how to address the critical future of sustainable plastics. In this review, we have highlighted the very recent examples on the synthesis of common monomers using chemicals from sustainable feedstocks that can be used as a like-for-like substitute to prepare conventional petrochemical-free thermoplastics.
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Affiliation(s)
- Graham Hayes
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Matthew Laurel
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Dan MacKinnon
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Tieshuai Zhao
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Hannes A Houck
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom.,Institute of Advanced Study, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - C Remzi Becer
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
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Yun J, Zabed HM, Zhang Y, Zhang G, Zhao M, Qi X. Improving tolerance and 1,3-propanediol production of Clostridium butyricum using physical mutagenesis, adaptive evolution and genome shuffling. BIORESOURCE TECHNOLOGY 2022; 363:127967. [PMID: 36113815 DOI: 10.1016/j.biortech.2022.127967] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
Bioconversion efficiency of glycerol to 1,3-propanediol (1,3-PD) by Clostridium butyricum is bottlenecked by its low tolerance to various stressors, especially glycerol as the substrate, 1,3-PD as the end product, and butyric acid as a by-product, which eventually decreases 1,3-PD yield. This study aimed at improving the tolerance and 1,3-PD production capability of C. butyricum using random mutagenesis and evolutionary techniques. Mutagenesis of wild strain by atmospheric room temperature plasma (ARTP) provided the first population with maximum tolerance to 160 g/L glycerol, while microbial microdroplet culture system (MMC)-mediated adaptive laboratory evolution (ALE) generated the second population with tolerance to 100 g/L 1,3-PD. Subsequently, genome shuffling of both populations yielded a final strain, GJH-418, which generated 60.12 g/L1,3-PD with a productivity of 1.72 g/L/h. The transcript analysis of the mutant and wild strains revealed the possible involvement of 8 genes in high tolerance and high 1,3-PD production through either up- or down-regulation.
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Affiliation(s)
- Junhua Yun
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Hossain M Zabed
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Yufei Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Guoyan Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Mei Zhao
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Xianghui Qi
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China.
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6
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Wang XL, Zhou JJ, Liu S, Sun YQ, Xiu ZL. In situ carbon dioxide capture to co-produce 1,3-propanediol, biohydrogen and micro-nano calcium carbonate from crude glycerol by Clostridium butyricum. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2022; 15:91. [PMID: 36057610 PMCID: PMC9440576 DOI: 10.1186/s13068-022-02190-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 08/26/2022] [Indexed: 11/30/2022]
Abstract
Background Climate change caused by greenhouse gas emission has become a global hot topic. Although biotechnology is considered as an environmentally friendly method to produce chemicals, almost all biochemicals face carbon dioxide emission from inevitable respiration and energy metabolism of most microorganisms. To cater for the broad prospect of biochemicals, bioprocess optimization of diverse valuable products is becoming increasingly important for environmental sustainability and cleaner production. Based on Ca(OH)2 as a CO2 capture agent and pH regulator, a bioprocess was proposed for co-production of 1,3-propanediol (1,3-PDO), biohydrogen and micro-nano CaCO3 by Clostridium butyricum DL07. Results In fed-batch fermentation, the maximum concentration of 1,3-PDO reached up to 88.6 g/L with an overall productivity of 5.54 g/L/h. This productivity is 31.9% higher than the highest value previously reports (4.20 g/L/h). In addition, the ratio of H2 to CO2 in exhaust gas showed a remarkable 152-fold increase in the 5 M Ca(OH)2 group compared to 5 M NaOH as the CO2 capture agent. Green hydrogen in exhaust gas ranged between 17.2% and 20.2%, with the remainder being N2 with negligible CO2 emissions. During CO2 capture in situ, micro-nano calcite particles of CaCO3 with sizes in the range of 300 nm to 20 µm were formed simultaneously. Moreover, when compared with 5M NaOH group, the concentrations of soluble salts and proteins in the fermentation broth of 5 M Ca(OH)2 group were notably reduced by 53.6% and 44.1%, respectively. The remarkable reduction of soluble salts and proteins would contribute to the separation of 1,3-PDO. Conclusions Ca(OH)2 was used as a CO2 capture agent and pH regulator in this study to promote the production of 1,3-PDO. Meanwhile, micro-nano CaCO3 and green H2 were co-produced. In addition, the soluble salts and proteins in the fermentation broth were significantly reduced. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13068-022-02190-2.
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7
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Woo WX, Tan JW, Tan JP, Indera Luthfi AA, Abdul PM, Abdul Manaf SF, Yeap SK. An Insight into Enzymatic Immobilization Techniques on the Saccharification of Lignocellulosic Biomass. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Wen Xuan Woo
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900 Sepang, Selangor Darul Ehsan, Malaysia
| | - Jing Wen Tan
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900 Sepang, Selangor Darul Ehsan, Malaysia
| | - Jian Ping Tan
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900 Sepang, Selangor Darul Ehsan, Malaysia
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Abdullah Amru Indera Luthfi
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia
| | - Peer Mohamed Abdul
- Research Centre for Sustainable Process Technology, Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia
| | - Shareena Fairuz Abdul Manaf
- School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Swee Keong Yeap
- China-ASEAN College of Marine Sciences, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900 Sepang, Selangor Darul Ehsan, Malaysia
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8
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Wang X, Zhang L, Chen H, Wang P, Yin Y, Jin J, Xu J, Wen J. Rational Proteomic Analysis of a New Domesticated Klebsiella pneumoniae x546 Producing 1,3-Propanediol. Front Microbiol 2021; 12:770109. [PMID: 34899654 PMCID: PMC8662357 DOI: 10.3389/fmicb.2021.770109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/26/2021] [Indexed: 11/13/2022] Open
Abstract
In order to improve the capability of Klebsiella pneumoniae to produce an important chemical raw material, 1,3-propanediol (1,3-PDO), a new type of K. pneumoniae x546 was obtained by glycerol acclimation and subsequently was used to produce 1,3-PDO. Under the control of pH value using Na+ pH neutralizer, the 1,3-PDO yield of K. pneumoniae x546 in a 7.5-L fermenter was 69.35 g/L, which was 1.5-fold higher than the original strain (45.91 g/L). After the addition of betaine, the yield of 1,3-PDO reached up to 74.44 g/L at 24 h, which was 40% shorter than the original fermentation time of 40 h. To study the potential mechanism of the production improvement of 1,3-PDO, the Tandem Mass Tags (TMT) technology was applied to investigate the production of 1,3-PDO in K. pneumoniae. Compared with the control group, 170 up-regulated proteins and 291 down-regulated proteins were identified. Through Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analysis, it was found that some proteins [such as homoserine kinase (ThrB), phosphoribosylglycinamide formyltransferase (PurT), phosphoribosylaminoimidazolesuccinocarboxamide synthase (PurC), etc.] were involved in the fermentation process, whereas some other proteins (such as ProX, ProW, ProV, etc.) played a significant role after the addition of betaine. Moreover, combined with the metabolic network of K. pneumoniae during 1,3-PDO, the proteins in the biosynthesis of 1,3-PDO [such as DhaD, DhaK, lactate dehydrogenase (LDH), BudC, etc.] were analyzed. The process of 1,3-PDO production in K. pneumoniae was explained from the perspective of proteome for the first time, which provided a theoretical basis for genetic engineering modification to improve the yield of 1,3-PDO. Because of the use of Na+ pH neutralizer in the fermentation, the subsequent environmental pollution treatment cost was greatly reduced, showing high potential for industry application in the future.
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Affiliation(s)
- Xin Wang
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, China.,Department of Chemistry, National University of Singapore, Singapore, Singapore.,Institute of Materials Research and Engineering, Singapore, Singapore
| | - Lin Zhang
- Dalian Petrochemical Research Institute of Sinopec, Dalian, China
| | - Hong Chen
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Pan Wang
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Ying Yin
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Jiaqi Jin
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Jianwei Xu
- Department of Chemistry, National University of Singapore, Singapore, Singapore.,Institute of Materials Research and Engineering, Singapore, Singapore
| | - Jianping Wen
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China.,SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
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Wang XL, Zhou JJ, Shen JT, Zheng YF, Sun YQ, Xiu ZL. Sequential fed-batch fermentation of 1,3-propanediol from glycerol by Clostridium butyricum DL07. Appl Microbiol Biotechnol 2020; 104:9179-9191. [PMID: 32997204 DOI: 10.1007/s00253-020-10931-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 08/30/2020] [Accepted: 09/23/2020] [Indexed: 12/17/2022]
Abstract
The demand for 1,3-propanediol (1,3-PDO) has increased sharply due to its role as a monomer for the synthesis of polytrimethylene terephthalate (PTT). Although Clostridium butyricum is considered to be one of the most promising bioproducers for 1,3-PDO, its low productivity hinders its application on industrial scale because of the longer time needed for anaerobic cultivation. In this study, an excellent C. butyricum (DL07) strain was obtained with high-level titer and productivity of 1,3-PDO, i.e., 104.8 g/L and 3.38 g/(L•h) vs. 94.2 g/L and 3.04 g/(L•h) using pure or crude glycerol as substrate in fed-batch fermentation, respectively. Furthermore, a novel sequential fed-batch fermentation was investigated, in which the next bioreactor was inoculated by C. butyricum DL07 cells growing at exponential phase in the prior bioreactor. It could run steadily for at least eight cycles. The average concentration of 1,3-PDO in eight cycles was 85 g/L with the average productivity of 3.1 g/(L•h). The sequential fed-batch fermentation could achieve semi-continuous production of 1,3-PDO with higher productivity than repeated fed-batch fermentation and would greatly contribute to the industrial production of 1,3-PDO by C. butyricum. KEY POINTS: • A novel C. butyricum strain was screened to produce 104.8 g/L 1,3-PDO from glycerol. • Corn steep liquor powder was used as a cheap nitrogen source for 1,3-PDO production. • A sequential fed-batch fermentation process was established for 1,3-PDO production. • An automatic glycerol feeding strategy was applied in the production of 1,3-PDO.
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Affiliation(s)
- Xiao-Li Wang
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, Liaoning Province, People's Republic of China
| | - Jin-Jie Zhou
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, Liaoning Province, People's Republic of China
| | - Jun-Tao Shen
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, Liaoning Province, People's Republic of China
| | - Ya-Feng Zheng
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, Liaoning Province, People's Republic of China
| | - Ya-Qin Sun
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, Liaoning Province, People's Republic of China
| | - Zhi-Long Xiu
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, Liaoning Province, People's Republic of China.
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Clostridium sp. as Bio-Catalyst for Fuels and Chemicals Production in a Biorefinery Context. Catalysts 2019. [DOI: 10.3390/catal9110962] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Clostridium sp. is a genus of anaerobic bacteria capable of metabolizing several substrates (monoglycerides, diglycerides, glycerol, carbon monoxide, cellulose, and more), into valuable products. Biofuels, such as ethanol and butanol, and several chemicals, such as acetone, 1,3-propanediol, and butyric acid, can be produced by these organisms through fermentation processes. Among the most well-known species, Clostridium carboxidivorans, C. ragsdalei, and C. ljungdahlii can be highlighted for their ability to use gaseous feedstocks (as syngas), obtained from the gasification or pyrolysis of waste material, to produce ethanol and butanol. C. beijerinckii is an important species for the production of isopropanol and butanol, with the advantage of using hydrolysate lignocellulosic material, which is produced in large amounts by first-generation ethanol industries. High yields of 1,3 propanediol by C. butyricum are reported with the use of another by-product from fuel industries, glycerol. In this context, several Clostridium wild species are good candidates to be used as biocatalysts in biochemical or hybrid processes. In this review, literature data showing the technical viability of these processes are presented, evidencing the opportunity to investigate them in a biorefinery context.
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11
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Shi J, Zhan Y, Zhou M, He M, Wang Q, Li X, Wen Z, Chen S. High-level production of short branched-chain fatty acids from waste materials by genetically modified Bacillus licheniformis. BIORESOURCE TECHNOLOGY 2019; 271:325-331. [PMID: 30292131 DOI: 10.1016/j.biortech.2018.08.134] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 08/12/2018] [Accepted: 08/13/2018] [Indexed: 06/08/2023]
Abstract
Short branched-chain fatty acids (SBCFAs) are multi-functional platform chemicals used in many fields. Currently, SBCFAs are produced mainly by chemical synthesis, which is high cost and lead to environmental pollution. The aim of this study was to achieve high-level production of SBCFAs from waste materials, bean dreg and crude glycerol. The Bacillus licheniformis DWc9n∗ was genetically modified by overexpression of SBCFAs synthesis genes via replacement of native promoter of bkd operon, the mutant strain DWc9n∗-PbacA produced 4.68 g/L of SBCFAs, increasing by 1.98-fold compared to wild-type strain. SBCFAs concentration was further increased to 7.85 g/L through process optimization. In a 5-L batch fermenter, the mutant showed SBCFAs production with high concentration (8.37 g/L) and productivity (0.20 g/L/h), which is the highest level of SBCFAs production based on low-value substrates fermentation. This is the first study describing efficient SBCFAs production by the modified B. licheniformis strain from bean dreg and crude glycerol.
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Affiliation(s)
- Jiao Shi
- Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Environmental Microbial Technology Center of Hubei Province, College of Life Sciences, Hubei University, Wuhan 430062, PR China
| | - Yangyang Zhan
- Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Environmental Microbial Technology Center of Hubei Province, College of Life Sciences, Hubei University, Wuhan 430062, PR China
| | - Mengling Zhou
- Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Environmental Microbial Technology Center of Hubei Province, College of Life Sciences, Hubei University, Wuhan 430062, PR China
| | - Min He
- Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Environmental Microbial Technology Center of Hubei Province, College of Life Sciences, Hubei University, Wuhan 430062, PR China
| | - Qin Wang
- Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Environmental Microbial Technology Center of Hubei Province, College of Life Sciences, Hubei University, Wuhan 430062, PR China
| | - Xin Li
- College of Biology and Pharmaceutical Engineering, Wuhan Polytechnic University, Wuhan 430023, PR China
| | - Zhiyou Wen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Department of Food Science and Human Nutrition, Iowa State University, Ames, IA 50011, USA
| | - Shouwen Chen
- Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Environmental Microbial Technology Center of Hubei Province, College of Life Sciences, Hubei University, Wuhan 430062, PR China.
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Rukowicz B, Alejski K. A biologically-derived 1,3-propanediol recovery from fermentation broth using preparative liquid chromatography. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2018.05.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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13
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Optimized 1,3-propanediol production from crude glycerol using mixed cultures in batch and continuous reactors. Bioprocess Biosyst Eng 2018; 41:1807-1816. [PMID: 30167787 DOI: 10.1007/s00449-018-2003-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 08/25/2018] [Indexed: 02/05/2023]
Abstract
The production of 1,3-propanediol from crude glycerol and mixed anaerobic sludge was investigated in batch experiments and continuous reactors. Using a 23 complete factorial design, the effects of the concentration of glycerol (22-30 g L-1), KH2PO4 (1.50-2.00 g L-1), and vitamin B12 (7-8 mg L-1) were examined in batch reactors. As an evaluated response, the highest 1,3-PD yields occurred for high concentrations of vitamin B12 and low levels of KH2PO4, reaching 0.57 g g-1 glycerol consumed. The variable glycerol concentration was not significant in the studied range. In addition, the condition that provided the best 1,3-PD yield was applied to an anaerobic fluidized bed reactor fed with crude glycerol (26.0 g L-1), which was monitored as the hydraulic retention time (HRT) decreased from 36 to 12 h. The greatest 1,3-PD yield, of 0.31 g g-1 glycerol, was obtained with an HRT of 28 h.
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14
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Tan JP, Tee ZK, Roslam Wan Isahak WN, Kim BH, Asis AJ, Jahim JM. Improved Fermentability of Pretreated Glycerol Enhanced Bioconversion of 1,3-Propanediol. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b02268] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | | | - Ahmad Jaril Asis
- Sime Darby Research Sdn Bhd, Lot 42700, Pulau
Carey, Banting, Selangor 42960, Malaysia
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15
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Yun J, Yang M, Magocha TA, Zhang H, Xue Y, Zhang G, Qi X, Sun W. Production of 1,3-propanediol using a novel 1,3-propanediol dehydrogenase from isolated Clostridium butyricum and co-biotransformation of whole cells. BIORESOURCE TECHNOLOGY 2018; 247:838-843. [PMID: 30060420 DOI: 10.1016/j.biortech.2017.09.180] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/24/2017] [Accepted: 09/26/2017] [Indexed: 06/08/2023]
Abstract
In this study, a newly strain named Clostridium butyricum YJH-09 were isolated from the sample of pond soil and identified through physiological, biochemical and 16S rDNA analysis. Then, the dhaT gene encoding a novel 1,3-propanediol dehydrogenase (PDOR) was cloned from this strain and expressed in Escherichia coli BL21(DE3). Subsequently, the recombinant PDOR was purified and the optimal pH and temperature, specific activities and kinetic parameter were investigated. Furthermore, the whole cells of Clostridium butyricum YJH-09 mixed with BL21-dhaT were used to produce 1,3-PD through co-biotransformation. As results, 25.88g/L of 1,3-PD was generated with 0.54g/g yield from 50g/L glycerol in 30h, and the 1,3-PD production was increased more than 2-fold compared with wild type strain alone. This research would offer useful information for further development of the biosynthesis of 1,3-PD.
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Affiliation(s)
- Junhua Yun
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Miaomiao Yang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Tinashe A Magocha
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Huanhuan Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Yanbo Xue
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Guoyan Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Xianghui Qi
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China.
| | - Wenjing Sun
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
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