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Sun C, Yang T, Zhang S, Wen Q, Gao B, Liu Q, Cheng H, Wang Y, Chen Z, Zhou H. Regulation of carbon metabolic fluxes to enhance lipid and succinate production in oleaginous fungus Mortierella alpina. World J Microbiol Biotechnol 2024; 40:298. [PMID: 39128979 DOI: 10.1007/s11274-024-04082-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: 01/14/2024] [Accepted: 07/14/2024] [Indexed: 08/13/2024]
Abstract
Mortierella alpina is popular for lipid production, but the low carbon conversion rate and lipid yield are major obstacles for its economic performance. Here, external addition of organic acids involved in tricarboxylic acid cycle was used to tune carbon flux and improve lipid production. Citrate was determined to be the best organic acid that can be used for enhancing lipid production. By the addition of citrate, the lipid titer and content were approximately 1.24 and 1.34 times higher, respectively. Meanwhile, citrate supplement also promoted the accumulation of succinate, an important value-added platform chemical. Owing to the improved lipid and succinate production through adding citrate, the carbon conversion rate of M. alpina reached up to 52.17%, much higher than that of the control group (14.11%). The addition of citrate could redistribute carbon flux by regulating the expression level of genes related to tricarboxylic acid cycle metabolism. More carbon fluxes flow to lipid and succinate synthesis, which greatly improved the carbon conversion efficiency of M. alpina. This study provides an effective and straightforward strategy with potential economic benefits to improve carbon conversion efficiency in M. alpina.
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Affiliation(s)
- Chongran Sun
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China
| | - Tao Yang
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China
| | - Shuangfei Zhang
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China
| | - Qikun Wen
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China
| | - Binyuan Gao
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China
| | - Qianzi Liu
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China
| | - Haina Cheng
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China
- Key Laboratory of Biometallurgy, Ministry of Education, Changsha, Hunan, China
| | - Yuguang Wang
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China
- Key Laboratory of Biometallurgy, Ministry of Education, Changsha, Hunan, China
| | - Zhu Chen
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China.
- Key Laboratory of Biometallurgy, Ministry of Education, Changsha, Hunan, China.
| | - Hongbo Zhou
- Department of Bioengineering, School of Minerals Processing and Bioengineering, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, P.R. China.
- Key Laboratory of Biometallurgy, Ministry of Education, Changsha, Hunan, China.
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Cazier EA, Pham TN, Cossus L, Abla M, Ilc T, Lawrence P. Exploring industrial lignocellulosic waste: Sources, types, and potential as high-value molecules. WASTE MANAGEMENT (NEW YORK, N.Y.) 2024; 188:11-38. [PMID: 39094219 DOI: 10.1016/j.wasman.2024.07.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 07/22/2024] [Accepted: 07/24/2024] [Indexed: 08/04/2024]
Abstract
Lignocellulosic biomass has a promising role in a circular bioeconomy and may be used to produce valuable molecules for green chemistry. Lignocellulosic biomass, such as food waste, agricultural waste, wood, paper or cardboard, corresponded to 15.7% of all waste produced in Europe in 2020, and has a high potential as a secondary raw material for industrial processes. This review first presents industrial lignocellulosic waste sources, in terms of their composition, quantities and types of lignocellulosic residues. Secondly, the possible high added-value chemicals obtained from transformation of lignocellulosic waste are detailed, as well as their potential for applications in the food industry, biomedical, energy or chemistry sectors, including as sources of polyphenols, enzymes, bioplastic precursors or biofuels. In a third part, various available transformation treatments, such as physical treatments with ultrasound or heat, chemical treatments with acids or bases, and biological treatments with enzymes or microorganisms, are presented. The last part discusses the perspectives of the use of lignocellulosic waste and the fact that decreasing the cost of transformation is one of the major issues for improving the use of lignocellulosic biomass in a circular economy and green chemistry approach, since it is currently often more expensive than petroleum-based counterparts.
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Affiliation(s)
- Elisabeth A Cazier
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France; Nantes Université, Oniris, GEPEA, UMR 6144, F-44600 Saint-Nazaire, France(1).
| | - Thanh-Nhat Pham
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France
| | - Louis Cossus
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France
| | - Maher Abla
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France.
| | - Tina Ilc
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France.
| | - Philip Lawrence
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France.
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3
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Sayın B, Kaban G. Biotechnological Innovations Unleashing the Potential of Olive Mill Wastewater in Added-Value Bioproducts. Foods 2024; 13:2245. [PMID: 39063329 PMCID: PMC11276412 DOI: 10.3390/foods13142245] [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: 06/26/2024] [Revised: 07/07/2024] [Accepted: 07/13/2024] [Indexed: 07/28/2024] Open
Abstract
Byproducts and wastes from the food processing industry represent an important group of wastes generated annually in large quantities. It is important to note that the amount of this waste will increase with industrialization, and effective solutions must be found urgently. Many wastes that cause environmental pollution are evaluated by their low-tech conversion into products with little economic value, such as animal feed and fertilizer. Therefore, the evaluation of food processing waste using effective recycling techniques has become an interesting subject with increasing population, ongoing biotechnological studies, and advances in technology. The conversion of food waste into biotechnological products via fermentation is a sustainable, environmentally friendly, and economical method in line with the principles of green chemistry. This approach promotes the reuse of food waste by supporting the principles of a circular economy and offers sustainable alternatives to fossil fuels and synthetic chemicals. This contributes to reducing the carbon footprint, preserving soil and water quality, and providing economic sustainability through the production of high-value products. In this study, the properties of olive mill wastewater, an important and valuable waste in the olive oil industry, its environmental aspects, and its use in biotechnological applications that integrate green chemistry are evaluated.
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Affiliation(s)
- Bilge Sayın
- Department of Gastronomy and Culinary Arts, School of Tourism and Hotel Management, Ardahan University, 75002 Ardahan, Türkiye
| | - Güzin Kaban
- Department of Food Engineering, Faculty of Agriculture, Atatürk University, 25240 Erzurum, Türkiye
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Wang Y, Zhang Y, Cui Q, Feng Y, Xuan J. Composition of Lignocellulose Hydrolysate in Different Biorefinery Strategies: Nutrients and Inhibitors. Molecules 2024; 29:2275. [PMID: 38792135 PMCID: PMC11123716 DOI: 10.3390/molecules29102275] [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: 03/26/2024] [Revised: 05/06/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
The hydrolysis and biotransformation of lignocellulose, i.e., biorefinery, can provide human beings with biofuels, bio-based chemicals, and materials, and is an important technology to solve the fossil energy crisis and promote global sustainable development. Biorefinery involves steps such as pretreatment, saccharification, and fermentation, and researchers have developed a variety of biorefinery strategies to optimize the process and reduce process costs in recent years. Lignocellulosic hydrolysates are platforms that connect the saccharification process and downstream fermentation. The hydrolysate composition is closely related to biomass raw materials, the pretreatment process, and the choice of biorefining strategies, and provides not only nutrients but also possible inhibitors for downstream fermentation. In this review, we summarized the effects of each stage of lignocellulosic biorefinery on nutrients and possible inhibitors, analyzed the huge differences in nutrient retention and inhibitor generation among various biorefinery strategies, and emphasized that all steps in lignocellulose biorefinery need to be considered comprehensively to achieve maximum nutrient retention and optimal control of inhibitors at low cost, to provide a reference for the development of biomass energy and chemicals.
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Affiliation(s)
- Yilan Wang
- Department of Bioscience and Bioengineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing 100083, China
- CAS Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Synthetic Biology, Shandong Engineering Laboratory of Single Cell Oil, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao 266101, China
| | - Yuedong Zhang
- CAS Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Synthetic Biology, Shandong Engineering Laboratory of Single Cell Oil, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao 266101, China
- Shandong Energy Institute, 189 Songling Road, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, 189 Songling Road, Qingdao 266101, China
| | - Qiu Cui
- CAS Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Synthetic Biology, Shandong Engineering Laboratory of Single Cell Oil, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao 266101, China
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Yingang Feng
- CAS Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Synthetic Biology, Shandong Engineering Laboratory of Single Cell Oil, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao 266101, China
- Shandong Energy Institute, 189 Songling Road, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, 189 Songling Road, Qingdao 266101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinsong Xuan
- Department of Bioscience and Bioengineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing 100083, China
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5
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Cazin I, Ocepek M, Kecelj J, Stražar AS, Schlögl S. Synthesis of Bio-Based Polyester Resins for Vat Photopolymerization 3D Printing. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1890. [PMID: 38673246 PMCID: PMC11051430 DOI: 10.3390/ma17081890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024]
Abstract
Driven by environmental considerations, the scientific community has directed great effort towards the synthesis of new materials derived from renewable resources. However, for photocurable resins, most commercially available building blocks still rely on petroleum-based precursors. Herein, we present a simple synthesis route for bio-based acrylate-modified polyester resins, whose viscosity is sufficiently low for processing them with vat photopolymerization 3D printing. The established synthesis route enables the gradual substitution of fossil-based raw materials with bio-based alternatives. The acid number, color and viscosity of the bio-based acrylic resins are characterized and photocurable formulations are prepared by adding a radical photoinitiator. The photopolymerization kinetics, and thermomechanical and mechanical properties of the photopolymers are investigated as a function of the resin structure and benchmarked against a commercially available petroleum-based counterpart. Finally, the processability of the new bio-based resins via digital light processing 3D printing is demonstrated and test specimens are successfully 3D printed with a resolution in the millimeter range.
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Affiliation(s)
- Ines Cazin
- Polymer Competence Center Leoben GmbH, Sauraugasse 1, A-8700 Leoben, Austria;
| | - Martin Ocepek
- Helios Resins, Količevo 65, 1230 Domžale, Slovenia; (M.O.); (J.K.); (A.S.S.)
| | - Janez Kecelj
- Helios Resins, Količevo 65, 1230 Domžale, Slovenia; (M.O.); (J.K.); (A.S.S.)
| | | | - Sandra Schlögl
- Polymer Competence Center Leoben GmbH, Sauraugasse 1, A-8700 Leoben, Austria;
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6
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Wu J, Li Y, Yin J, Wang C, Qi X, Zhou Y, Liu H, Wu P, Zhang J. Mutation breeding of high-stress resistant strains for succinic acid production from corn straw. Appl Microbiol Biotechnol 2024; 108:278. [PMID: 38558151 PMCID: PMC10984890 DOI: 10.1007/s00253-024-13112-7] [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: 07/03/2023] [Revised: 02/29/2024] [Accepted: 03/19/2024] [Indexed: 04/04/2024]
Abstract
The production of succinic acid from corn stover is a promising and sustainable route; however, during the pretreatment stage, byproducts such as organic acids, furan-based compounds, and phenolic compounds generated from corn stover inhibit the microbial fermentation process. Selecting strains that are resistant to stress and utilizing nondetoxified corn stover hydrolysate as a feedstock for succinic acid production could be effective. In this study, A. succinogenes CICC11014 was selected as the original strain, and the stress-resistant strain A. succinogenes M4 was obtained by atmospheric and room temperature plasma (ARTP) mutagenesis and further screening. Compared to the original strain, A. succinogenes M4 exhibited a twofold increase in stress resistance and a 113% increase in succinic acid production when hydrolysate was used as the substrate. By conducting whole-genome resequencing of A. succinogenes M4 and comparing it with the original strain, four nonsynonymous gene mutations and two upstream regions with base losses were identified. KEY POINTS: • A high-stress-resistant strain A. succinogenes M4 was obtained by ARTP mutation • The production of succinic acid increased by 113% • The mutated genes of A. succinogenes M4 were detected and analyzed.
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Affiliation(s)
- Jing Wu
- Shanxi Key Laboratory of Chemical Product Engineering, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Yilian Li
- Shanxi Key Laboratory of Chemical Product Engineering, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Jinbao Yin
- Shanxi Key Laboratory of Chemical Product Engineering, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Chen Wang
- Shanxi Key Laboratory of Chemical Product Engineering, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Xuejin Qi
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Yujie Zhou
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Hongjuan Liu
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Pengfei Wu
- College of Life Science and Technology, Yangtze Normal University, Fuling Chongqing, 408100, China.
| | - Jianan Zhang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China.
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7
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Lin F, Li W, Wang D, Hu G, Qin Z, Xia X, Hu L, Liu X, Luo R. Advances in succinic acid production: the enhancement of CO 2 fixation for the carbon sequestration benefits. Front Bioeng Biotechnol 2024; 12:1392414. [PMID: 38605985 PMCID: PMC11007169 DOI: 10.3389/fbioe.2024.1392414] [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: 02/27/2024] [Accepted: 03/18/2024] [Indexed: 04/13/2024] Open
Abstract
Succinic acid (SA), one of the 12 top platform chemicals produced from biomass, is a precursor of various high value-added derivatives. Specially, 1 mol CO2 is assimilated in 1 mol SA biosynthetic route under anaerobic conditions, which helps to achieve carbon reduction goals. In this review, methods for enhanced CO2 fixation in SA production and utilization of waste biomass for SA production are reviewed. Bioelectrochemical and bioreactor coupling systems constructed with off-gas reutilization to capture CO2 more efficiently were highlighted. In addition, the techno-economic analysis and carbon sequestration benefits for the synthesis of bio-based SA from CO2 and waste biomass are analyzed. Finally, a droplet microfluidics-based high-throughput screening technique applied to the future bioproduction of SA is proposed as a promising approach.
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Affiliation(s)
| | | | - Dan Wang
- Department of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China
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Mitrea L, Teleky BE, Nemes SA, Plamada D, Varvara RA, Pascuta MS, Ciont C, Cocean AM, Medeleanu M, Nistor A, Rotar AM, Pop CR, Vodnar DC. Succinic acid - A run-through of the latest perspectives of production from renewable biomass. Heliyon 2024; 10:e25551. [PMID: 38327454 PMCID: PMC10848017 DOI: 10.1016/j.heliyon.2024.e25551] [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: 05/30/2023] [Revised: 01/18/2024] [Accepted: 01/29/2024] [Indexed: 02/09/2024] Open
Abstract
Succinic acid (SA) production is continuously rising, as its applications in diverse end-product generation are getting broader and more expansive. SA is an eco-friendly bulk product that acts as a valuable intermediate in different processes and might substitute other petrochemical-based products due to the inner capacity of microbes to biosynthesize it. Moreover, large amounts of SA can be obtained through biotechnological ways starting from renewable resources, imprinting at the same time the concept of a circular economy. In this context, the target of the present review paper is to bring an overview of SA market demands, production, biotechnological approaches, new strategies of production, and last but not least, the possible limitations and the latest perspectives in terms of natural biosynthesis of SA.
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Affiliation(s)
- Laura Mitrea
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372, Cluj-Napoca, Romania
| | - Bernadette-Emőke Teleky
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372, Cluj-Napoca, Romania
| | - Silvia-Amalia Nemes
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372, Cluj-Napoca, Romania
| | - Diana Plamada
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372, Cluj-Napoca, Romania
| | - Rodica-Anita Varvara
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372, Cluj-Napoca, Romania
| | - Mihaela-Stefana Pascuta
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372, Cluj-Napoca, Romania
| | - Calina Ciont
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372, Cluj-Napoca, Romania
| | - Ana-Maria Cocean
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372, Cluj-Napoca, Romania
| | - Madalina Medeleanu
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
| | - Alina Nistor
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
| | - Ancuta-Mihaela Rotar
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
| | - Carmen-Rodica Pop
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
| | - Dan-Cristian Vodnar
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372, Cluj-Napoca, Romania
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9
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Li K, Li C, Zhao XQ, Liu CG, Bai FW. Engineering Corynebacterium glutamicum for efficient production of succinic acid from corn stover pretreated by concentrated-alkali under steam-assistant conditions. BIORESOURCE TECHNOLOGY 2023; 378:128991. [PMID: 37003455 DOI: 10.1016/j.biortech.2023.128991] [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: 02/26/2023] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 06/19/2023]
Abstract
Corynebacterium glutamicum was developed for efficient production of succinic acid from corn stover (CS) pretreated by concentrated-alkali under steam-assistant (CASA) conditions. First, C. glutamicum was engineered by 1) blocking the by-products pathways (deletion of ldh, pta-ackA, and cat), 2) enhancing the carbon flux to succinate (overexpression of pyc and ppc), and 3) releasing the end-product inhibition (overexpression of Ncgl0275). The recombinant strain produced 117.8 g/L succinate in fed-batch fermentation. Second, to fully utilize xylose in lignocellulosic hydrolysate, two xylose utilization pathways-the isomerase pathway and the Weimberg pathway-were introduced into the recombinant strain. Third, CS was pretreated by CASA with a higher sugars yield and a lower black liquid. Finally, 64.16 g/L of succinic acid was obtained from 150 g/L CASA-pretreated CS by engineered C. glutamicum. These results showed a succinate high-producing C. glutamicum strain using glucose and xylose simultaneously as well as an effective and environmentally acceptable pretreatment strategy.
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Affiliation(s)
- Kai Li
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Cheng Li
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Xin-Qing Zhao
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Chen-Guang Liu
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Feng-Wu Bai
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
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10
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Olszewska-Widdrat A, Xiros C, Wallenius A, Schneider R, Rios da Costa Pereira LP, Venus J. Bioprocess optimization for lactic and succinic acid production from a pulp and paper industry side stream. Front Bioeng Biotechnol 2023; 11:1176043. [PMID: 37274162 PMCID: PMC10232882 DOI: 10.3389/fbioe.2023.1176043] [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: 02/28/2023] [Accepted: 04/25/2023] [Indexed: 06/06/2023] Open
Abstract
The effective and cheap production of platform chemicals is a crucial step towards the transition to a bio-based economy. In this work, biotechnological methods using sustainable, cheap, and readily available raw materials bring bio-economy and industrial microbiology together: Microbial production of two platform chemicals is demonstrated [lactic (LA) and succinic acid (SA)] from a non-expensive side stream of pulp and paper industry (fibre sludge) proposing a sustainable way to valorize it towards economically important monomers for bioplastics formation. This work showed a promising new route for their microbial production which can pave the way for new market expectations within the circular economy principles. Fibre sludge was enzymatically hydrolysed for 72 h to generate a glucose rich hydrolysate (100 g·L-1 glucose content) to serve as fermentation medium for Bacillus coagulans A 541, A162 strains and Actinobacillus succinogenis B1, as well as Basfia succiniciproducens B2. All microorganisms were investigated in batch fermentations, showing the ability to produce either lactic or succinic acid, respectively. The highest yield and productivities for lactic production were 0.99 g·g-1 and 3.75 g·L-1·h-1 whereas the succinic acid production stabilized at 0.77 g·g-1 and 1.16 g·L-1·h-1.
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Affiliation(s)
- Agata Olszewska-Widdrat
- Microbiome Biotechnology Department, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
| | | | | | - Roland Schneider
- Microbiome Biotechnology Department, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
| | | | - Joachim Venus
- Microbiome Biotechnology Department, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
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11
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Shen N, Li S, Li S, Wang Y, Zhang H, Jiang M. Reduced acetic acid formation using NaHSO 3 as a steering agent by Actinobacillus succinogenes GXAS137. J Biosci Bioeng 2023; 135:203-209. [PMID: 36628842 DOI: 10.1016/j.jbiosc.2022.12.007] [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: 10/04/2022] [Revised: 12/02/2022] [Accepted: 12/12/2022] [Indexed: 01/09/2023]
Abstract
The high production of acetic acid (AC) as a by-product leads to difficult separation and purification of succinic acid (SA) and increases production costs in SA fermentation by Actinobacillus succinogenes. NaHSO3 as a steering agent was used to reduce AC production. Herein, the optimum fermentation conditions were achieved by single-factor and orthogonal tests as follows: glucose 60 g/L; MgCO3 60 g/L; NaHSO3 0.15% (w/v); and NaHSO3 addition time, 8 h after inoculation. After optimization, the SA and AC contents were 44.42 and 5.73 g/L. The SA improved by 100.72%, the AC decreased by 21.18% compared with the unfermented. The acetate kinase activity decreased by 14.36% and acetyl-CoA content improved by 97.55% in the group of NaHSO3 addition compared with control check (CK). The mechanism of NaHSO3 is formation acetaldehyde-sodium bisulfite compound and reduction the activity of acetate kinase. These findings indicated a new way of using NaHSO3 as a steering agent to reduce AC generation and may help promote the development of SA industrial production.
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Affiliation(s)
- Naikun Shen
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Guangxi Key Laboratory of Microbial Plant Resources and Utilization, School of Marine Sciences and Biotechnology, Guangxi Minzu University, Nanning 530008, China
| | - Shiyong Li
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Guangxi Key Laboratory of Microbial Plant Resources and Utilization, School of Marine Sciences and Biotechnology, Guangxi Minzu University, Nanning 530008, China
| | - Shuyan Li
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Guangxi Key Laboratory of Microbial Plant Resources and Utilization, School of Marine Sciences and Biotechnology, Guangxi Minzu University, Nanning 530008, China
| | - Yibing Wang
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Guangxi Key Laboratory of Microbial Plant Resources and Utilization, School of Marine Sciences and Biotechnology, Guangxi Minzu University, Nanning 530008, China
| | - Hongyan Zhang
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Guangxi Key Laboratory of Microbial Plant Resources and Utilization, School of Marine Sciences and Biotechnology, Guangxi Minzu University, Nanning 530008, China.
| | - Mingguo Jiang
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Guangxi Key Laboratory of Microbial Plant Resources and Utilization, School of Marine Sciences and Biotechnology, Guangxi Minzu University, Nanning 530008, China
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12
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Xu C, Xiong Y, Zhang J, Li K, Zhong S, Huang S, Xie C, Gong W, Zhu Z, Zhou Y, Peng Y. Liquid hot water pretreatment combined with high-solids enzymatic hydrolysis and fed-batch fermentation for succinic acid sustainable processed from sugarcane bagasse. BIORESOURCE TECHNOLOGY 2023; 369:128389. [PMID: 36435419 DOI: 10.1016/j.biortech.2022.128389] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/20/2022] [Accepted: 11/21/2022] [Indexed: 06/16/2023]
Abstract
In order to sustainable process of bio-succinic acid (SA), response surface methodology (RSM) was applied to optimize liquid hot water pretreatment pretreatment of sugarcane bagasse (SCB), followed by high-solids enzymatic hydrolysis of pretreated residual that without washing, then the hydrolysates and partial pretreatment liquid were used as carbon sources for SA fermentation. Results showed that the highest sugars yield could be achieved at pretreatment conditions of temperature 186 °C, time 25 min and solid-to-liquid ratio 0.08; enzymatic digestion the pretreated residuals at 20 % (w/v) solid content via enzymes reconstruction and fed-batch strategy, the obtained sugars reached to 121 g/L; by controlling the nutrition and conditions of the fermentation process, most of the C5 and C6 sugars in the hydrolysate and pretreatment liquid were converted into SA with a conversion rate high to 280 mg/g SCB. This study can provide a novel clue for clean and efficient biorefining of chemicals.
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Affiliation(s)
- Chao Xu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China; School of Food and Bioengineering, Changsha University of Science and Technology, Changsha 410005, China
| | - Yaru Xiong
- Hunan Provincial Center for Disease Control and prevention, Changsha 410005, China
| | - Jun Zhang
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China
| | - Kuntai Li
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China
| | - Saiyi Zhong
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China
| | - Shushi Huang
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Nanning 530007, China
| | - Chunliang Xie
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Wenbing Gong
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Zuohua Zhu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Yingjun Zhou
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Yuande Peng
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China.
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13
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Integrated untargeted metabolome, full-length sequencing, and transcriptome analyses reveal insights into the fruit quality at different harvest times of Chaenomeles speciosa. Food Res Int 2023; 164:112314. [PMID: 36737903 DOI: 10.1016/j.foodres.2022.112314] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 11/29/2022] [Accepted: 12/03/2022] [Indexed: 12/13/2022]
Abstract
Chaenomeles speciosa fruit is a homologous medicine and food plant with a long history of multiple uses. It could be harvested near maturity and last for a long time. However, the optimal harvest strategy of Chaenomeles speciosa for various uses is currently unavailable. Here, untargeted metabolome at different harvest times during maturation was investigated for the first time, and 896 metabolites, including sugars, organic acids, amino acids, and phenylpropanoids, were identified. Optimal harvesting methods were proposed for different purposes. During the early maturation stages (before 105 days after full bloom), Ch. speciosa fruit could be harvested as Chinesemedicine. Whereas as snacks and food, Ch. speciosa fruit might be harvested at late maturity (after 120 days after full bloom). In addition, the overall network was revealed by integrating full-length Iso-seq and transcriptomics (RNA-seq) to investigate the association between quality-associated metabolites and Chaenomeles speciosa fruit gene expression during maturation. A few putative genes were captured via screening, dissecting and correlation analysis with the quality-associated metabolites (including d-glucose, catechin, gallocatechin, and succinic acid). Overall, in addition to providing a harvesting strategy for food and medicine, we also investigated the metabolism and gene expression pattern of Chaenomeles speciosa fruit during maturation. This comprehensive data and analyses laid the foundation for further investigating potential regulatory mechanisms during harvest and provided a new possibility for its development and utilization.
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14
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Zhou S, Zhang M, Zhu L, Zhao X, Chen J, Chen W, Chang C. Hydrolysis of lignocellulose to succinic acid: a review of treatment methods and succinic acid applications. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2023; 16:1. [PMID: 36593503 PMCID: PMC9806916 DOI: 10.1186/s13068-022-02244-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 12/08/2022] [Indexed: 01/03/2023]
Abstract
Succinic acid (SA) is an intermediate product of the tricarboxylic acid cycle (TCA) and is one of the most significant platform chemicals for the production of various derivatives with high added value. Due to the depletion of fossil raw materials and the demand for eco-friendly energy sources, SA biosynthesis from renewable energy sources is gaining attention for its environmental friendliness. This review comprehensively analyzes strategies for the bioconversion of lignocellulose to SA based on the lignocellulose pretreatment processes and cellulose hydrolysis and fermentation principles and highlights the research progress on acid production and SA utilization under different microbial culture conditions. In addition, the fermentation efficiency of different microbial strains for the production of SA and the main challenges were analyzed. The future application directions of SA derivatives were pointed out. It is expected that this research will provide a reference for the optimization of SA production from lignocellulose.
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Affiliation(s)
- Shuzhen Zhou
- grid.207374.50000 0001 2189 3846College of Chemical Engineering, Zhengzhou University, Zhengzhou, China
| | - Miaomiao Zhang
- grid.207374.50000 0001 2189 3846College of Chemical Engineering, Zhengzhou University, Zhengzhou, China
| | - Linying Zhu
- grid.207374.50000 0001 2189 3846College of Management Engineering, Zhengzhou University, Zhengzhou, China
| | - Xiaoling Zhao
- grid.207374.50000 0001 2189 3846College of Chemical Engineering, Zhengzhou University, Zhengzhou, China ,grid.454889.cState Key Laboratory of Motor Vehicle Biofuel Technology, Nanyang, China ,Henan Center for Outstanding Overseas Scientists, Zhengzhou, China
| | - Junying Chen
- grid.207374.50000 0001 2189 3846College of Chemical Engineering, Zhengzhou University, Zhengzhou, China ,grid.454889.cState Key Laboratory of Motor Vehicle Biofuel Technology, Nanyang, China ,Henan Center for Outstanding Overseas Scientists, Zhengzhou, China
| | - Wei Chen
- Henan Key Laboratory of Green Manufacturing of Biobased Chemicals, Puyang, China
| | - Chun Chang
- grid.207374.50000 0001 2189 3846College of Chemical Engineering, Zhengzhou University, Zhengzhou, China ,grid.454889.cState Key Laboratory of Motor Vehicle Biofuel Technology, Nanyang, China ,Henan Center for Outstanding Overseas Scientists, Zhengzhou, China
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15
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Nagime PV, Upaichit A, Cheirsilp B, Boonsawang P. Isolation and screening of microorganisms for high yield of succinic acid production. Biotechnol Appl Biochem 2022. [PMID: 36536601 DOI: 10.1002/bab.2428] [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] [Accepted: 12/03/2022] [Indexed: 12/24/2022]
Abstract
This study involves the isolation of succinic acid (SA)-producing microorganisms from different samples, including the rumen, sludge, soil, and wastewater. For primary screening, 29 isolates exhibited a zone of clearance around the colony, indicating acid production. For secondary screening using thin-layer chromatography, only two isolates symbolized SA production according to their Rf values. These two isolates were further identified as Bacillus velezensis and Enterococcus gallinarum by phylogenetic analysis using the neighbor-joining method. The high SA concentrations of 50.2 and 66.9 g/L were produced by B. velezensis and E. gallinarum with an SA yield of 0.836 and 1.12 g/g glucose, respectively. The high SA concentration from these newly isolated strains was achieved with a low formation of unwanted acids compared with those from Actinobacillus succinogenes ATCC 55618. Moreover, E. gallinarum was cultured in palm oil mill wastewater (POMW) and molasses, which were cheap substrates. The high SA production of 73.9 g/L with low other acids (the ratio of SA to total acids = 0.917) was achieved using POMW and molasses (80:20) as substrates.
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Affiliation(s)
- Pooja Vilas Nagime
- Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Apichat Upaichit
- Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Benjamas Cheirsilp
- Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Piyarat Boonsawang
- Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla, Thailand
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16
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Boivin L, Dupont W, Gendron D, Leclerc M. Biosourced Monomers: Toward Sustainable Conjugated Polymers for Organic Electronics. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Louis‐Philippe Boivin
- Department of Chemistry Université Laval 1045 Av. de la Médecine Québec QC G1V 0A6 Canada
| | - William Dupont
- Department of Chemistry Université Laval 1045 Av. de la Médecine Québec QC G1V 0A6 Canada
| | - David Gendron
- Kemitek Cégep de Thetford 835 Rue Mooney O Thetford Mines QC G6G 0A5 Canada
| | - Mario Leclerc
- Department of Chemistry Université Laval 1045 Av. de la Médecine Québec QC G1V 0A6 Canada
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17
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Zhou L, Cheng K, Liu T, Li N, Zhang H, He Y. Fully bio-based poly (pentamethylene glutaramide) with high molecular weight and less glutaric acid cyclization via direct solid-state polymerization. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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18
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Smit AT, van Zomeren A, Dussan K, Riddell LA, Huijgen WJJ, Dijkstra JW, Bruijnincx PCA. Biomass Pre-Extraction as a Versatile Strategy to Improve Biorefinery Feedstock Flexibility, Sugar Yields, and Lignin Purity. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2022; 10:6012-6022. [PMID: 35571525 PMCID: PMC9092456 DOI: 10.1021/acssuschemeng.2c00838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/11/2022] [Indexed: 05/07/2023]
Abstract
Feedstock flexibility is highly advantageous for the viability of (solvent-based) biorefineries but comes with the considerable challenge of having to cope with the varying nature and typically high abundance of nonlignocellulose compounds in the most readily available residual biomass streams. Here, we demonstrate that mild aqueous acetone organosolv fractionation of various complex lignocellulosic raw materials (roadside grass, wheat straw, birch branches, almond shells, and a mixed stream thereof) is indeed negatively affected by these compounds and present a versatile strategy to mitigate this bottleneck in biorefining. A biomass pre-extraction approach has been developed to remove the detrimental extractives with (aqueous) acetone prior to fractionation. Pre-extraction removed organic extractives as well as minerals, primarily reducing acid dose requirements for fractionation and loss of hemicellulose sugars by degradation and improved the purity of the isolated lignin. We show how pre-extraction affects the effectiveness of the biorefinery process, including detailed mass balances for pretreatment, downstream processing, and product characteristics, and how it affects solvent and energy use with a first conceptual process design. The integrated biorefining approach allows for the improved compatibility of biorefineries with sustainable feedstock supply chains, enhanced biomass valorization (i.e., isolation of bioactive compounds from the extract), and more effective biomass processing with limited variation in product quality.
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Affiliation(s)
- Arjan T. Smit
- Unit
Energy Transition, Biobased & Circular Technologies Group, The Netherlands Organisation for Applied Scientific
Research (TNO), P.O. Box 1, 1755 ZG Petten, The Netherlands
- Organic
Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - André van Zomeren
- Unit
Energy Transition, Biobased & Circular Technologies Group, The Netherlands Organisation for Applied Scientific
Research (TNO), P.O. Box 1, 1755 ZG Petten, The Netherlands
| | - Karla Dussan
- Unit
Energy Transition, Biobased & Circular Technologies Group, The Netherlands Organisation for Applied Scientific
Research (TNO), P.O. Box 1, 1755 ZG Petten, The Netherlands
| | - Luke A. Riddell
- Organic
Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Wouter J. J. Huijgen
- Unit
Energy Transition, Biobased & Circular Technologies Group, The Netherlands Organisation for Applied Scientific
Research (TNO), P.O. Box 1, 1755 ZG Petten, The Netherlands
| | - Jan Wilco Dijkstra
- Unit
Energy Transition, Biobased & Circular Technologies Group, The Netherlands Organisation for Applied Scientific
Research (TNO), P.O. Box 1, 1755 ZG Petten, The Netherlands
| | - Pieter C. A. Bruijnincx
- Organic
Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
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19
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Bukhari NA, Loh SK, Luthfi AAI, Abdul PM, Jahim JM. Low cost nutrient-rich oil palm trunk bagasse hydrolysate for bio-succinic acid production by Actinobacillus succinogenes. Prep Biochem Biotechnol 2021; 52:950-960. [PMID: 34935581 DOI: 10.1080/10826068.2021.2015692] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Economical source of succinic acid (SA) is most sought-after as a key platform chemical for a wide range of applications. Low-cost production of bio-succinic acid (bio-SA) from a renewable biomass resource i.e., oil palm trunk (OPT) is reported in this paper. Apart from carbon source, nitrogen source and mineral salts are other important nutrients affecting microbial cell growth and bio-SA biosynthesis by Actinobacillus succinogenes 130Z. In order to access and optimize nutrient requirement of the latter two sources, their effects in terms of types and concentrations were investigated. The findings highlighted the importance of selecting proper nitrogen source in A. succinogenes fermentation. The possibility of producing bio-SA from OPT economically can be achieved through minimal supply of 5 g/L yeast extract compared to that generally supplemented 15 g/L with a similar yield (0.47 g/g). In addition, a higher bio-SA yield (0.49 g/g) was achieved without adding mineral salts, which could further reduce fermentation cost. The use of minimally supplemented hydrolysate resulted in 21.1 g/L of bio-SA with a satisfactory yield (0.58 g/g) in a batch bioreactor system with an estimated 56.4% in cost savings. Conclusively, OPT bagasse hydrolysate is a nutrient-rich feedstock that can be practically utilized for bio-SA production.
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Affiliation(s)
- Nurul Adela Bukhari
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia.,Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia.,Energy and Environment Unit, Engineering and Processing Research Division, Malaysian Palm Oil Board (MPOB), Selangor, Kajang, Malaysia
| | - Soh Kheang Loh
- Energy and Environment Unit, Engineering and Processing Research Division, Malaysian Palm Oil Board (MPOB), Selangor, Kajang, Malaysia
| | - Abdullah Amru Indera Luthfi
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia.,Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Peer Mohamed Abdul
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia.,Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Jamaliah Md Jahim
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia.,Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia
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20
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Current Progress in Production of Building-Block Organic Acids by Consolidated Bioprocessing of Lignocellulose. FERMENTATION-BASEL 2021. [DOI: 10.3390/fermentation7040248] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Several organic acids have been indicated among the top value chemicals from biomass. Lignocellulose is among the most attractive feedstocks for biorefining processes owing to its high abundance and low cost. However, its highly complex nature and recalcitrance to biodegradation hinder development of cost-competitive fermentation processes. Here, current progress in development of single-pot fermentation (i.e., consolidated bioprocessing, CBP) of lignocellulosic biomass to high value organic acids will be examined, based on the potential of this approach to dramatically reduce process costs. Different strategies for CBP development will be considered such as: (i) design of microbial consortia consisting of (hemi)cellulolytic and valuable-compound producing strains; (ii) engineering of microorganisms that combine biomass-degrading and high-value compound-producing properties in a single strain. The present review will mainly focus on production of organic acids with application as building block chemicals (e.g., adipic, cis,cis-muconic, fumaric, itaconic, lactic, malic, and succinic acid) since polymer synthesis constitutes the largest sector in the chemical industry. Current research advances will be illustrated together with challenges and perspectives for future investigations. In addition, attention will be dedicated to development of acid tolerant microorganisms, an essential feature for improving titer and productivity of fermentative production of acids.
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21
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Enhanced Activity by Genetic Complementarity: Heterologous Secretion of Clostridial Cellulases by Bacillus licheniformis and Bacillus velezensis. Molecules 2021; 26:molecules26185625. [PMID: 34577096 PMCID: PMC8468253 DOI: 10.3390/molecules26185625] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/11/2021] [Accepted: 09/13/2021] [Indexed: 12/25/2022] Open
Abstract
To adapt to various ecological niches, the members of genus Bacillus display a wide spectrum of glycoside hydrolases (GH) responsible for the hydrolysis of cellulose and lignocellulose. Being abundant and renewable, cellulose-containing plant biomass may be applied as a substrate in second-generation biotechnologies for the production of platform chemicals. The present study aims to enhance the natural cellulase activity of two promising 2,3-butanediol (2,3-BD) producers, Bacillus licheniformis 24 and B. velezensis 5RB, by cloning and heterologous expression of cel8A and cel48S genes of Acetivibrio thermocellus. In B. licheniformis, the endocellulase Cel8A (GH8) was cloned to supplement the action of CelA (GH9), while in B. velezensis, the cellobiohydrolase Cel48S (GH48) successfully complemented the activity of endo-cellulase EglS (GH5). The expression of the natural and heterologous cellulase genes in both hosts was demonstrated by reverse-transcription PCR. The secretion of clostridial cellulases was additionally enhanced by enzyme fusion to the subtilisin-like signal peptide, reaching a significant increase in the cellulase activity of the cell-free supernatants. The results presented are the first to reveal the possibility of genetic complementation for enhancement of cellulase activity in bacilli, thus opening the prospect for genetic improvement of strains with an important biotechnological application.
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22
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Recent progress in metabolic engineering of Corynebacterium glutamicum for the production of C4, C5, and C6 chemicals. KOREAN J CHEM ENG 2021. [DOI: 10.1007/s11814-021-0788-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Gaidukova G, Platnieks O, Aunins A, Barkane A, Ingrao C, Gaidukovs S. Spent coffee waste as a renewable source for the production of sustainable poly(butylene succinate) biocomposites from a circular economy perspective. RSC Adv 2021; 11:18580-18589. [PMID: 35480919 PMCID: PMC9033479 DOI: 10.1039/d1ra03203h] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 05/10/2021] [Indexed: 12/12/2022] Open
Abstract
Turning waste products into useable resources is a necessity for the sustainable future of our planet. Such is the case with popular beverage coffee that produces solid waste in the form of spent coffee grounds (SCG). There is an opportunity to use SCG material as a cheap, sustainable, and biodegradable polymer filler that is received as waste from espresso machines. There have been relatively many studies that prove the concept of various agricultural and forestry waste, which can be integrated into modern green materials. Building upon this concept, we have selected a promising polyester poly(butylene succinate) (PBS) as a matrix owing to its bio-based and biodegradable nature. High loadings of SCG from 20 to 60 wt% were tested for optimal composition performance. Tensile, dynamic mechanical, thermal, and structural properties of the composites were examined, while their biodegradation in composting conditions was also analyzed. SCG filler showed different performance from various cellulose fiber-based composites, and properties significantly varied depending on loading. Compared to neat PBS, biodegradation occurred twice as fast for composite materials with high SGC loadings. Spent coffee waste from espresso machines was used as a renewable filler for the melt processing of sustainable poly(butylene succinate) biocomposites with enhanced exploitation properties.![]()
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Affiliation(s)
| | - Oskars Platnieks
- Faculty of Materials Science and Applied Chemistry, Institute of Polymer Materials, Riga Technical University P. Valdena 3/7 Riga LV-1048 Latvia
| | - Arturs Aunins
- Faculty of Materials Science and Applied Chemistry, Institute of Polymer Materials, Riga Technical University P. Valdena 3/7 Riga LV-1048 Latvia
| | - Anda Barkane
- Latvian Maritime Academy Flotes3-7 Riga LV-1016 Latvia
| | - Carlo Ingrao
- Department of Economics, University of Foggia Via Romolo Caggese 1 - 71121 Foggia Italy
| | - Sergejs Gaidukovs
- Faculty of Materials Science and Applied Chemistry, Institute of Polymer Materials, Riga Technical University P. Valdena 3/7 Riga LV-1048 Latvia
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