1
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Yu Y, Song Y, Zhao Y, Wang N, Wei B, Linhardt RJ, Dordick JS, Zhang F, Wang H. Quality control, safety assessment and preparation approaches of low molecular weight heparin. Carbohydr Polym 2024; 339:122216. [PMID: 38823901 DOI: 10.1016/j.carbpol.2024.122216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 04/26/2024] [Accepted: 04/27/2024] [Indexed: 06/03/2024]
Abstract
Low Molecular Weight Heparins (LMWHs) are well-established for use in the prevention and treatment of thrombotic diseases, and as a substitute for unfractionated heparin (UFH) due to their predictable pharmacokinetics and subcutaneous bioavailability. LMWHs are produced by various depolymerization methods from UFH, resulting in heterogeneous compounds with similar biochemical and pharmacological properties. However, the delicate supply chain of UFH and potential contamination from animal sources require new manufacturing approaches for LMWHs. Various LMWH preparation methods are emerging, such as chemical synthesis, enzymatic or chemical depolymerization and chemoenzymatic synthesis. To establish the sameness of active ingredients in both innovator and generic LMWH products, the Food and Drug Administration has implemented a stringent scientific method of equivalence based on physicochemical properties, heparin source material and depolymerization techniques, disaccharide composition and oligosaccharide mapping, biological and biochemical properties, and in vivo pharmacodynamic profiles. In this review, we discuss currently available LMWHs, potential manufacturing methods, and recent progress for manufacturing quality control of these LMWHs.
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Affiliation(s)
- Yanlei Yu
- College of Pharmaceutical Science & Collaborative Innovation Center for Yangtze River Delta Region Green Pharmaceuticals, Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Yue Song
- College of Pharmaceutical Science & Collaborative Innovation Center for Yangtze River Delta Region Green Pharmaceuticals, Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Yunjie Zhao
- College of Pharmaceutical Science & Collaborative Innovation Center for Yangtze River Delta Region Green Pharmaceuticals, Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Ningning Wang
- College of Pharmaceutical Science & Collaborative Innovation Center for Yangtze River Delta Region Green Pharmaceuticals, Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Zhejiang University of Technology, 310014 Hangzhou, China
| | - Bin Wei
- College of Pharmaceutical Science & Collaborative Innovation Center for Yangtze River Delta Region Green Pharmaceuticals, Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Zhejiang University of Technology, 310014 Hangzhou, China; Binjiang Cyberspace Security Institute of ZJUT, Hangzhou 310056, China
| | - Robert J Linhardt
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, United States
| | - Jonathan S Dordick
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, United States
| | - Fuming Zhang
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, United States.
| | - Hong Wang
- College of Pharmaceutical Science & Collaborative Innovation Center for Yangtze River Delta Region Green Pharmaceuticals, Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Zhejiang University of Technology, 310014 Hangzhou, China; Binjiang Cyberspace Security Institute of ZJUT, Hangzhou 310056, China.
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2
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Nehru G, Balakrishnan R, Swaminathan N, Tadi SRR, Sivaprakasam S. Heparosan biosynthesis in recombinant Bacillus megaterium: Influence of N-acetylglucosamine supplementation and kinetic modeling. Biotechnol Appl Biochem 2024. [PMID: 38973679 DOI: 10.1002/bab.2634] [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: 02/15/2024] [Revised: 05/15/2024] [Accepted: 06/20/2024] [Indexed: 07/09/2024]
Abstract
Heparosan, an unsulfated polysaccharide, plays a pivotal role as a primary precursor in the biosynthesis of heparin-an influential anticoagulant with diverse therapeutic applications. To enhance heparosan production, the utilization of metabolic engineering in nonpathogenic microbial strains is emerging as a secure and promising strategy. In the investigation of heparosan production by recombinant Bacillus megaterium, a kinetic modeling approach was employed to explore the impact of initial substrate concentration and the supplementation of precursor sugars. The adapted logistic model was utilized to thoroughly analyze three vital parameters: the B. megaterium growth dynamics, sucrose utilization, and heparosan formation. It was noted that at an initial sucrose concentration of 30 g L-1 (S1), it caused an inhibitory effect on both cell growth and substrate utilization. Intriguingly, the inclusion of N-acetylglucosamine (S2) resulted in a significant 1.6-fold enhancement in heparosan concentration. In addressing the complexities of the dual substrate system involving S1 and S2, a multi-substrate kinetic models, specifically the double Andrew's model was employed. This approach not only delved into the intricacies of dual substrate kinetics but also effectively described the relationships among the primary state variables. Consequently, these models not only provide a nuanced understanding of the system's behavior but also serve as a roadmap for optimizing the design and management of the heparosan production method.
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Affiliation(s)
- Ganesh Nehru
- Department of Biosciences and Bioengineering, Bioprocess Analytical Technology Laboratory, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Rengesh Balakrishnan
- Department of Biotechnology, K.S.Rangasamy College of Technology (Autonomous), Tiruchengode, Tamil Nadu, India
| | - Nivedhitha Swaminathan
- Centre for the Environment, Indian Institute of Technology Guwahati, Guwahati, Assam, India
- Department of Biochemical Engineering, University College London, London, UK
| | - Subbi Rami Reddy Tadi
- Department of Biosciences and Bioengineering, Bioprocess Analytical Technology Laboratory, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Senthilkumar Sivaprakasam
- Department of Biosciences and Bioengineering, Bioprocess Analytical Technology Laboratory, Indian Institute of Technology Guwahati, Guwahati, Assam, India
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3
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Sheng LL, Cai YM, Li Y, Huang SL, Sheng JZ. Advancements in heparosan production through metabolic engineering and improved fermentation. Carbohydr Polym 2024; 331:121881. [PMID: 38388039 DOI: 10.1016/j.carbpol.2024.121881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/24/2024]
Abstract
Heparin is one of the most widely used natural drugs, and has been the preferred anticoagulant and antithrombotic agent in the clinical setting for nearly a century. Heparin also shows increasing therapeutic potential for treating inflammation, cancer, and microbial and viral diseases, including COVID-19. With advancements in synthetic biology, heparin production through microbial engineering of heparosan offers a cost-effective and scalable alternative to traditional extraction from animal tissues. Heparosan serves as the starting carbon backbone for the chemoenzymatic synthesis of bioengineered heparin, possessing a chain length that is critically important for the production of heparin-based therapeutics with specific molecular weight (MW) distributions. Recent advancements in metabolic engineering of microbial cell factories have resulted in high-yield heparosan production. This review systematically analyzes the key modules involved in microbial heparosan biosynthesis and the latest metabolic engineering strategies for enhancing production, regulating MW, and optimizing the fermentation scale-up of heparosan. It also discusses future studies, remaining challenges, and prospects in the field.
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Affiliation(s)
- Li-Li Sheng
- Key Laboratory of Chemical Biology of Natural Products, Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Yi-Min Cai
- Key Laboratory of Chemical Biology of Natural Products, Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Yi Li
- Key Laboratory of Chemical Biology of Natural Products, Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Si-Ling Huang
- Bloomage BioTechnology Corp., Ltd., Jinan 250010, China
| | - Ju-Zheng Sheng
- Key Laboratory of Chemical Biology of Natural Products, Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; The State Key Laboratory of Microbial Technology, Shandong University, Qingdao 250100, China.
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4
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Lu MK, Lee MH, Chao CH, Hsu YC. Sodium sulfate addition increases the bioresource of biologically active sulfated polysaccharides from Antrodia cinnamomea. Int J Biol Macromol 2024; 257:128699. [PMID: 38092106 DOI: 10.1016/j.ijbiomac.2023.128699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 12/04/2023] [Accepted: 12/07/2023] [Indexed: 01/27/2024]
Abstract
Fungal sulfated polysaccharides (SPS) have been used in the pharmaceutical industry. In this study, sodium sulfate was employed as an elicitor to induce stress on the mycelia of Antrodia cinnamomea for the biosynthesis of SPS with high sulfate content. Sodium sulfate treatments increased the yield of SPS to 4.46 % and increased the sulfate content to 6.8 mmol/g of SPS. SPS were extracted from A. cinnamomea cultured with 500 mM sodium sulfate; these SPSs are denoted as Na500. Na500 exhibited the highest sulfate content and dose-dependent inhibitory activity against LPS-induced production of macrophage interleukin 6 (IL-6), tumor necrosis factor α (TNF-α), and interleukin 1β (IL-1β). Mechanistically, Na500 hindered the phosphorylation of transforming growth factor-β receptor II (TGFRII), extracellular signal-regulated kinases (ERK), and protein kinase B (AKT) expression. A purified 7.79 kDa galactoglucan, Na500 F3, augmented the anti-inflammation activity by inhibiting LPS-induced TGFβ release. Additionally, Na500 F3 restrained the LPS-induced phosphorylation of p-38, ERK, AKT, and TGFRII in RAW264.7 cells. Na500 F3 impeded the proliferation of lung cancer H1975 cells by inhibiting the phosphorylation of focal adhesion kinase, ERK, and Slug. The anti-inflammation and anticancer properties of Antrodia SPS contribute to its health benefits, suggesting its utility in functional foods.
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Affiliation(s)
- Mei-Kuang Lu
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, 155-1 Li-Nung St., Sec. 2, Shipai, Peitou, Taipei 112, Taiwan; Graduate Institute of Pharmacognosy, Taipei Medical University, 252 Wu-Hsing St., Taipei 110, Taiwan; Institute of Traditional Medicine, National Yang Ming Chiao Tung University, 155 Li-Nung St., Sec. 2, Shipai, Beitou, Taipei 112, Taiwan.
| | - Meng-Hsin Lee
- Department of Bioenvironmental Systems Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan
| | - Chi-Hsein Chao
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, 155-1 Li-Nung St., Sec. 2, Shipai, Peitou, Taipei 112, Taiwan
| | - Yu-Chi Hsu
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, 155-1 Li-Nung St., Sec. 2, Shipai, Peitou, Taipei 112, Taiwan
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5
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Wang D, Hu L, Xu R, Zhang W, Xiong H, Wang Y, Du G, Kang Z. Production of different molecular weight glycosaminoglycans with microbial cell factories. Enzyme Microb Technol 2023; 171:110324. [PMID: 37742407 DOI: 10.1016/j.enzmictec.2023.110324] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/04/2023] [Accepted: 09/08/2023] [Indexed: 09/26/2023]
Abstract
Glycosaminoglycans (GAGs) are naturally occurring acidic polysaccharides with wide applications in pharmaceuticals, cosmetics, and health foods. The diverse biological activities and physiological functions of GAGs are closely associated with their molecular weights and sulfation patterns. Except for the non-sulfated hyaluronan which can be synthesized naturally by group A Streptococcus, all the other GAGs such as heparin and chondroitin sulfate are mainly acquired from animal tissues. Microbial cell factories provide a more effective platform for the production of structurally homogeneous GAGs. Enhancing the production efficiency of polysaccharides, accurately regulating the GAGs molecular weight, and effectively controlling the sulfation degree of GAGs represent the major challenges of developing GAGs microbial cell factories. Several enzymatic, metabolic engineering, and synthetic biology strategies have been developed to tackle these obstacles and push forward the industrialization of biotechnologically produced GAGs. This review summarizes the recent advances in the construction of GAGs synthesis cell factories, regulation of GAG molecular weight, and modification of GAGs chains. Furthermore, the challenges and prospects for future research in this field are also discussed.
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Affiliation(s)
- Daoan Wang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Litao Hu
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Ruirui Xu
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Weijiao Zhang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Haibo Xiong
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Yang Wang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Guocheng Du
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Zhen Kang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
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6
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Jiang L, Zhang T, Lu H, Li S, Lv K, Tuffour A, Zhang L, Ding K, Li JP, Li H, Liu X. Heparin mimetics as potential intervention for COVID-19 and their bio-manufacturing. Synth Syst Biotechnol 2023; 8:11-19. [PMID: 36313216 PMCID: PMC9595387 DOI: 10.1016/j.synbio.2022.10.002] [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: 07/14/2022] [Revised: 09/26/2022] [Accepted: 10/05/2022] [Indexed: 11/07/2022] Open
Abstract
The COVID-19 pandemic has caused severe health problems worldwide and unprecedented decimation of the global economy. Moreover, after more than 2 years, many populations are still under pressure of infection. Thus, a broader perspective in developing antiviral strategies is still of great importance. Inspired by the observed multiple benefits of heparin in the treatment of thrombosis, the potential of low molecular weight heparin (LMWH) for the treatment of COVID-19 have been explored. Clinical applications found that LMWH decreased the level of inflammatory cytokines in COVID-19 patients, accordingly reducing lethality. Furthermore, several in vitro studies have demonstrated the important roles of heparan sulfate in SARS-CoV-2 infection and the inhibitory effects of heparin and heparin mimetics in viral infection. These clinical observations and designed studies argue for the potential to develop heparin mimetics as anti-SARS-CoV-2 drug candidates. In this review, we summarize the properties of heparin as an anticoagulant and the pharmaceutical possibilities for the treatment of virus infection, focusing on the perspectives of developing heparin mimetics via chemical synthesis, chemoenzymatic synthesis, and bioengineered production by microbial cell factories. The ultimate goal is to pave the eminent need for exploring novel compounds to treat coronavirus infection-caused diseases.
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Affiliation(s)
- Lan Jiang
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210093, China,State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China,Corresponding author. Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210093, China
| | - Tianji Zhang
- Division of Chemistry and Analytical Science, Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, National Institute of Metrology, Beijing, 100029, China
| | - Hongzhong Lu
- State Key Laboratory of Microbial Metabolism and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Saijuan Li
- Glycochemistry & Glycobiology Lab, Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Kangjie Lv
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Alex Tuffour
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Lixin Zhang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Kan Ding
- Glycochemistry & Glycobiology Lab, Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China,Corresponding author
| | - Jin-Ping Li
- International Research Center for Soft Matter, Beijing University of Chemical Technology, Beijing, 100029, China,Department of Medical Biochemistry and Microbiology, University of Uppsala, Uppsala, Sweden
| | - Hongmei Li
- Division of Chemistry and Analytical Science, Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, National Institute of Metrology, Beijing, 100029, China
| | - Xueting Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China,Corresponding author
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7
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Metabolic Engineering of Bacillus megaterium for the Production of β-alanine. BIOTECHNOL BIOPROC E 2022. [DOI: 10.1007/s12257-022-0077-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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8
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Valorization of fish waste and sugarcane bagasse for Alcalase production by Bacillus megaterium via a circular bioeconomy model. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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9
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Engineering the probiotic bacterium Escherichia coli Nissle 1917 as an efficient cell factory for heparosan biosynthesis. Enzyme Microb Technol 2022; 158:110038. [DOI: 10.1016/j.enzmictec.2022.110038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 03/22/2022] [Accepted: 04/02/2022] [Indexed: 11/19/2022]
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10
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Tadi SRR, Nehru G, Limaye AM, Sivaprakasam S. High-level expression and optimization of pantoate-β-alanine ligase in Bacillus megaterium for the enhanced biocatalytic production of D-pantothenic acid. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:917-926. [PMID: 35153321 PMCID: PMC8814086 DOI: 10.1007/s13197-021-05093-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 02/28/2021] [Accepted: 04/04/2021] [Indexed: 11/30/2022]
Abstract
D-Pantothenic acid (DPA), also known as vitamin B5 is associated with several biological functions and its deficiency causes metabolic and energetic disorders in humans. Fortification of foods with DPA is the viable option to address this risk. DPA biological production route employs pantoate-β-alanine ligase (PBL) as the key enzyme, which avoids the tedious and time-consuming optical resolution process. The selection of an efficient PBL enzyme is vital for the biological production of DPA. In this study, the panC gene encoding PBL from Escherichia coli, Bacillus megaterium, Corynebacterium glutamicum and Bacillus subtilis was expressed in B. megaterium. B. subtilis derived panC exhibited high PBL activity 61.62 ± 2.15 U/mL. Co-expression of phosphoenolpyruvate carboxykinase (pckA) did not improve the DPA production in B. megaterium. Biocatalytic fed-batch fermentation with externally supplemented precursor substrates (D-pantoic acid and β-alanine) improved DPA titer to 45.56 ± 0.53 g/L. Daily dietary requirements of DPA for different age groups (including babies, small children, athletes and elderly people) is steadily increasing and the improved DPA production addressed in this study offers advantage for its application in fortification of food products meeting the emerging nutritional demand. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13197-021-05093-6.
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Affiliation(s)
- Subbi Rami Reddy Tadi
- BioPAT Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039 India
| | - Ganesh Nehru
- BioPAT Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039 India
| | - Anil Mukund Limaye
- The Molecular Endocrinology Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039 India
| | - Senthilkumar Sivaprakasam
- BioPAT Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039 India
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11
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Tadi SRR, Nehru G, Allampalli SSP, Sivaprakasam S. Engineering precursor and co-factor supply to enhance D-pantothenic acid production in Bacillus megaterium. Bioprocess Biosyst Eng 2022; 45:843-854. [PMID: 35175424 DOI: 10.1007/s00449-022-02701-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/25/2022] [Indexed: 11/02/2022]
Abstract
High-yielding chemical and chemo-enzymatic methods of D-pantothenic acid (DPA) synthesis are limited by using poisonous chemicals and DL-pantolactone racemic mixture formation. Alternatively, the safe microbial fermentative route of DPA production was found promising but suffered from low productivity and precursor supplementation. In this study, Bacillus megaterium was metabolically engineered to produce DPA without precursor supplementation. In order to provide a higher supply of precursor D-pantoic acid, key genes involved in its synthesis are overexpressed, resulting strain was produced 0.53 ± 0.08 g/L DPA was attained in shake flasks. Cofactor CH2-THF was found to be vital for DPA biosynthesis and was regenerated through the serine-glycine degradation pathway. Enhanced supply of another precursor, β-alanine was achieved by codon optimization and dosing of the limiting L-asparate-1-decarboxylase (ADC). Co-expression of Pantoate-β-alanine ligase, ADC, phosphoenolpyruvate carboxylase, aspartate aminotransferase and aspartate ammonia-lyase enhanced DPA concentration to 2.56 ± 0.05 g/L at shake flasks level. Fed-batch fermentation in a bioreactor with and without the supplementation of β-alanine increased DPA concentration to 19.52 ± 0.26 and 4.78 ± 0.53 g/L, respectively. This present study successfully demonstrated a rational approach combining precursor supply engineering with cofactor regeneration for the enhancement of DPA titer in recombinant B. megaterium.
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Affiliation(s)
- Subbi Rami Reddy Tadi
- BioPAT Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Ganesh Nehru
- BioPAT Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Satya Sai Pavan Allampalli
- BioPAT Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Senthilkumar Sivaprakasam
- BioPAT Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India.
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12
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Tadi SRR, Nehru G, Sivaprakasam S. One-Pot Biosynthesis of 3-Aminopropionic Acid from Fumaric Acid Using Recombinant Bacillus megaterium Containing a Linear Dual-Enzyme Cascade. Appl Biochem Biotechnol 2022; 194:1740-1754. [DOI: 10.1007/s12010-021-03783-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/30/2021] [Indexed: 01/12/2023]
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13
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Zha Z, Liu Y, Miao Y, Liao S, Wang SY, Tang H, Yin H. Preparation and characterization of 2-deacetyl-3-O-sulfo-heparosan and its antitumor effects via the fibroblast growth factor receptor pathway. Int J Biol Macromol 2022; 201:47-58. [PMID: 34998873 DOI: 10.1016/j.ijbiomac.2021.12.098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 11/24/2021] [Accepted: 12/16/2021] [Indexed: 11/19/2022]
Abstract
Heparosan, with a linear chain of disaccharide repeating units of → 4) β-D-glucuronic acid (GlcA) (1 → 4)-α-D-N-acetylglucosamine (GlcNAc) (1→, is a potential starting chemical for heparin synthesis. However, the chemoenzymatic synthesis of single-site sulfated heparosan and its antitumor activity have not been studied. In this study, 2-deacetyl-3-O-sulfo-heparosan (DSH) was prepared successively by the N-deacetylation chemical reaction and enzymatic modification of human 3-O-sulfotransferase-1 (3-OST-1). Structural characterization of DSH was shown the success of the sulfation with the sulfation degree of 0.87. High performance gel permeation chromatography (HPGPC) analysis revealed that DSH had only one symmetrical sharp peak with a molecular weight of 9.6334 × 104 Da. Biological function studies showed that DSH could inhibit tumor cell (A549, HepG2 and HCT116) viability and induce the apoptosis of A549 cells. Further in vitro mechanistic studies showed that DSH may induce apoptosis via the JNK signaling pathway, and the upstream signal of this process may be fibroblast growth factor receptors. These results indicated that DSH could be developed as one of a potential chemical for tumor treatment.
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Affiliation(s)
- Zhengqi Zha
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Yaoyao Liu
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Yinghua Miao
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Shiying Liao
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Su-Yan Wang
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Huiling Tang
- Department of Pharmacy, Jiangsu Food and Pharmaceutical Science College, Huaian 223003, People's Republic of China.
| | - Hongping Yin
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, People's Republic of China.
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Tadi SRR, Nehru G, Sivaprakasam S. Combinatorial approach for improved production of whole-cell 3-aminopropionic acid in recombinant Bacillus megaterium: codon optimization, gene duplication and process optimization. 3 Biotech 2021; 11:333. [PMID: 34221804 DOI: 10.1007/s13205-021-02885-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 06/06/2021] [Indexed: 12/22/2022] Open
Abstract
In this study, we aimed to develop a Bacillus megaterium based whole-cell biocatalyst for the bio-production of 3-aminopropionic acid (3-APA). l-aspartate-α-decarboxylases (ADC) (EC: 4.1.1.11) from Escherichia coli, B. megaterium, Corynebacterium glutamicum, and Bacillus subtilis were expressed in B. megaterium. B. subtilis derived ADC (panD Bs ) exhibited the highest ADC activity of 0.9 ± 0.02 U/mL in recombinant B. megaterium. Combination of codon optimization and gene duplication strategies resulted in 415.56% enhancement of ADC activity compared to panD Bs . The culture growth conditions of B. megaterium (BMD-7) for 3-APA production were optimized as follows: inducer concentration, 0.5% (w/v); time of induction, 3 h; induction temperature, 37 °C and post-induction incubation time, 8 h. Improvement of the whole-cell biocatalytic process efficiency, was dealt by optimization of reaction temperature, reaction pH, metal ion additives and l-aspartic acid concentration. Shake flask level experiments yielded an enhanced 3-APA titer (16.18 ± 0.26 g/L) and a yield of 0.89 g/g under optimized conditions viz., 45 °C, pH 6.0 and 20 g/L of l-aspartic acid. This study demonstrates the potential of B. megaterium for 3-APA production and paves the scope for the development of 3-APA producing strains in near future. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13205-021-02885-7.
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15
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Rami Reddy Tadi S, Dutt Ravindran S, Balakrishnan R, Sivaprakasam S. Recombinant production of poly-(3-hydroxybutyrate) by Bacillus megaterium utilizing millet bran and rapeseed meal hydrolysates. BIORESOURCE TECHNOLOGY 2021; 326:124800. [PMID: 33556706 DOI: 10.1016/j.biortech.2021.124800] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/25/2021] [Accepted: 01/27/2021] [Indexed: 06/12/2023]
Abstract
Fermentative poly-3-hydroxybutyrate (PHB) production is mainly limited by the cost of raw material. In this present study, low-cost feedstock viz., millet bran residue (MBRH) and rapeseed meal hydrolysates were successfully utilized for PHB production. Metabolic engineering of Bacillus megaterium by co-expression of both precursor (phbRBC) and NADPH cofactor regeneration (zwf) genes resulted in 2.67-fold enhancement in PHB accumulation compared to wild strain. Modified logistic model characterized B.megaterium growth and PHB production effectively. The kinetic analysis proved that maximum cell concentration (15.01 g.L-1) and growth-associated constant (0.22 g.g-1) were found to be higher for initial MBRH concentration (S0 = 20 g.L-1). PHB production kinetics elucidated its expression in B.megaterium was growth-associated. PHB synthesized by B.megaterium was characterized using FTIR, NMR, XRD, DSC/TGA, FESEM and the physio-chemical properties enumerated its as a potential biodegradable plastic for industrial application.
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Affiliation(s)
- Subbi Rami Reddy Tadi
- BioPAT Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Som Dutt Ravindran
- Department of Biotechnology, Manipal Institute of Technology, Manipal 576104, Karnataka, India
| | - Rengesh Balakrishnan
- Department of Pharmaceutical Technology, Mahendra Engineering College, Namakkal District 637503, Tamil Nadu, India
| | - Senthilkumar Sivaprakasam
- BioPAT Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
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16
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Nehru G, Tadi SRR, Sivaprakasam S. Application of Dual Promoter Expression System for the Enhanced Heparosan Production in Bacillus megaterium. Appl Biochem Biotechnol 2021; 193:2389-2402. [PMID: 33686628 DOI: 10.1007/s12010-021-03541-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 02/26/2021] [Indexed: 10/22/2022]
Abstract
Heparosan, a capsular polysaccharide synthesized by certain pathogenic bacteria, is a promising precursor for heparin production. Heparosan production is catalyzed by the formation of KfiC-KfiA complex and the subsequent action of KfiC and KfiA proteins. Polycistronic expression of kfiC and kfiA in Bacillus megaterium yielded an unbalanced expression of KfiC and KfiA proteins resulted in decreased heparosan production. In this study, dual promoter plasmid system was constructed to increase the expression levels of KfiC and KfiA proteins. Dual promoter plasmid system along with UDP-glucuronic acid pathway overexpression (CADuet-DB) increased the heparosan production to 203 mg/L in shake flask experiments. Batch fermentation of strain CADuet-DB under controlled conditions yielded a maximum heparosan concentration of 627 mg/L, which is 59% higher than strain CA-DB. A modified logistic model is applied to describe the kinetics of heparosan production and biomass growth. Fed batch fermentation resulted in 3-fold enhancement in heparosan concentration (1.96 g/L), compared to batch fermentation. Nuclear magnetic resonance analysis revealed that heparosan from strain CADuet-DB was similar to Escherichia coli K5 heparosan. These results suggested that dual promoter expression system is a promising alternative to polycistronic expression system to produce heparosan in B. megaterium.
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Affiliation(s)
- Ganesh Nehru
- Bioprocess Analytical Technology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Subbi Rami Reddy Tadi
- Bioprocess Analytical Technology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Senthilkumar Sivaprakasam
- Bioprocess Analytical Technology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India.
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17
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Baytas SN, Linhardt RJ. Advances in the preparation and synthesis of heparin and related products. Drug Discov Today 2020; 25:2095-2109. [PMID: 32947045 DOI: 10.1016/j.drudis.2020.09.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/04/2020] [Accepted: 09/10/2020] [Indexed: 01/01/2023]
Abstract
Heparin is a naturally occurring glycosaminoglycan from livestock, principally porcine intestine, and is clinically used as an anticoagulant drug. A limitation to heparin production is that it depends on a single animal species and potential problems have been associated with animal-derived heparin. The contamination crisis in 2008 led to a search for new animal sources and the investigation of non-animal sources of heparin. Over the past 5 years, new animal sources, chemical, and chemoenzymatic methods have been introduced to prepare heparin-based drugs. In this review, we describe advances in the preparation and synthesis of heparin and related products.
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Affiliation(s)
- Sultan N Baytas
- Department of Chemistry & Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Robert J Linhardt
- Department of Chemistry & Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA; Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA; Department of Biological Sciences, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA.
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