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Wang P, Cheng T, Pan J. Nucleoside Analogs: A Review of Its Source and Separation Processes. Molecules 2023; 28:7043. [PMID: 37894522 PMCID: PMC10608831 DOI: 10.3390/molecules28207043] [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: 09/20/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Nucleoside analogs play a crucial role in the production of high-value antitumor and antimicrobial drugs. Currently, nucleoside analogs are mainly obtained through nucleic acid degradation, chemical synthesis, and biotransformation. However, these methods face several challenges, such as low concentration of the main product, the presence of complex matrices, and the generation of numerous by-products that significantly limit the development of new drugs and their pharmacological studies. Therefore, this work aims to summarize the universal separation methods of nucleoside analogs, including crystallization, high-performance liquid chromatography (HPLC), column chromatography, solvent extraction, and adsorption. The review also explores the application of molecular imprinting techniques (MITs) in enhancing the identification of the separation process. It compares existing studies reported on adsorbents of molecularly imprinted polymers (MIPs) for the separation of nucleoside analogs. The development of new methods for selective separation and purification of nucleosides is vital to improving the efficiency and quality of nucleoside production. It enables us to obtain nucleoside products that are essential for the development of antitumor and antiviral drugs. Additionally, these methods possess immense potential in the prevention and control of serious diseases, offering significant economic, social, and scientific benefits to the fields of environment, biomedical research, and clinical therapeutics.
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Affiliation(s)
| | | | - Jianming Pan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China; (P.W.); (T.C.)
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Sun C, Li Z, Ning X, Xu W, Li Z. In vitro biosynthesis of ATP from adenosine and polyphosphate. BIORESOUR BIOPROCESS 2021; 8:117. [PMID: 38650279 PMCID: PMC10992290 DOI: 10.1186/s40643-021-00469-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 11/21/2021] [Indexed: 11/10/2022] Open
Abstract
Adenosine triphosphate (ATP) acts as a crucial energy currency in vivo, and it is a widely used energy and/or phosphate donor for enzyme-catalyzed reactions in vitro. In this study, we established an in vitro multi-enzyme cascade system for ATP production. Using adenosine and inorganic polyphosphate (polyP) as key substrates, we combined adenosine kinase and two functionally distinct polyphosphate kinases (PPKs) in a one-pot reaction to achieve chain-like ATP regeneration and production. Several sources of PPK were screened and characterized, and two suitable PPKs were selected to achieve high rates of ATP production. Among these, Sulfurovum lithotrophicum PPK (SlPPK) exhibited excellent activity over a wide pH range (pH 4.0-9.0) and synthesized ATP from ADP using short-chain polyP. Furthermore, it had a half-life > 155.6 h at 45 °C. After optimizing the reaction conditions, we finally carried out the coupling-catalyzed reaction with different initial adenosine concentrations of 10, 20, and 30 mM. The highest yields of ATP were 76.0, 70.5, and 61.3%, respectively.
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Affiliation(s)
- Chuanqi Sun
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Zonglin Li
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.
| | - Xiao Ning
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Wentian Xu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Zhimin Li
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.
- Shanghai Collaborative Innovation Center for Biomanufacturing Technology, 130 Meilong Road, Shanghai, 200237, China.
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Cao H, Nie K, Li C, Xu H, Wang F, Tan T, Liu L. Rational design of substrate binding pockets in polyphosphate kinase for use in cost-effective ATP-dependent cascade reactions. Appl Microbiol Biotechnol 2017; 101:5325-5332. [PMID: 28417169 DOI: 10.1007/s00253-017-8268-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 03/27/2017] [Indexed: 11/26/2022]
Abstract
Adenosine-5'-triphosphate (ATP) is the energy equivalent of the living system. Polyphosphate (polyP) is the ancient energy storage equivalent of organisms. Polyphosphate kinases (PPKs) catalyze the polyP formation or ATP formation, to store energy or to regenerate ATP, respectively. However, most PPKs are active only in the presence of long polyPs, which are more difficult and more expensive to generate than the short polyPs. We investigated the PPK preference towards polyPs by site-directed mutagenesis and computational simulation, to understand the mechanism and further design enzymes for effective ATP regeneration using short polyPs for in vitro cascade reactions, which are highly desired for research and applications. The results suggest that the short polyPs inhibit PPK by blocking the ADP-binding pocket. Structural comparison between PPK (Corynebacterium glutamicum) and PPK (Sinorhizobium meliloti) indicates that three amino acid residues, i.e., lysine, glutamate, and threonine, are involved in the activity towards short polyP by fixing the adenosine group of ADP in between the subunits of the dimer, while the terminal phosphate group of ADP still offers an active site, which presents a binding pocket for ADP. A proposed triple mutant PPK (SMc02148-KET) demonstrates significant activity towards short polyP to form ATP from ADP. The obtained high glutathione titer (38.79 mM) and glucose-6-phosphate titer (87.35 mM) in cascade reactions with ATP regeneration using the triple mutant PPK (SMc02148-KET) reveal that the tailored PPK establishes the effective ATP regeneration system for ATP-dependent reactions.
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Affiliation(s)
- Hao Cao
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Kaili Nie
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Chengcheng Li
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Haijun Xu
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Fang Wang
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Tianwei Tan
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Luo Liu
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
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Andexer JN, Richter M. Emerging enzymes for ATP regeneration in biocatalytic processes. Chembiochem 2015; 16:380-6. [PMID: 25619338 DOI: 10.1002/cbic.201402550] [Citation(s) in RCA: 129] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Indexed: 12/15/2022]
Abstract
Adenosine-5'-triphosphate-dependent enzyme catalysed reactions are widespread in nature. Consequently, the enzymes involved have an intrinsic potential for use in syntheses of high value products. Although regeneration systems for ATP starting from adenosine-5'-diphosphate are available, certain limitations exist for both in vitro and in vivo applications requiring ATP regeneration from adenosine-5'-monophosphate, or adenosine. Following a short overview of the chemical and thermodynamic background, this Minireview focuses on emerging enzymes and methodologies for ATP regeneration. A large range of as yet unexploited reactions will be accessible with new, powerful, multistep ATP regeneration systems that use cheap phosphate donors and provide high longevity, compatibility, and robustness under process conditions. Their potential might go far beyond the direct use of ATP in enzymatic reactions; enzyme discovery, and engineering, as well as immobilisation strategies, will help to realise such systems.
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Affiliation(s)
- Jennifer N Andexer
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstrasse 25, 79104 Freiburg (Germany).
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Jiapeng T, Yiting L, Li Z. Optimization of fermentation conditions and purification of cordycepin from Cordyceps militaris. Prep Biochem Biotechnol 2014; 44:90-106. [PMID: 24117155 DOI: 10.1080/10826068.2013.833111] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The fermentation medium and conditions for the production of cordycepin were optimized in static culture using single-factor experiments, Placket-Burman design, a central composite design, and response surface methodology. Among seven variables including temperature, pH, and the concentrations of glucose, tryptone, yeast extract, KH₂PO₄, and MgSO₄ · 7H₂O, temperature and the concentrations of yeast extract and tryptone were found to be the important factors that significantly affected cordycepin production. The optimized medium consisted of yeast extract 9.00 g/L and tryptone 17.10 g/L, while the optimized culture conditions consisted of seed age 3 days, with an inoculum size of 10% and incubation temperature of 27.1°C. A maximum cordycepin yield of 7.35 g/L was achieved in a 5-L fermenter under the optimized conditions. Next, cordycepin was partially purified and determined. The resulting product showed 90.54% high-performance liquid chromatography (HPLC)-ultraviolet (UV) purity. Therefore, cordycepin was applied to a cell viability assay on SH-SY5Y cells and RM-1 cells. Cordycepin can inhibit the proliferation of RM-1 cells with IC₅₀ of 133 µmol/L, but it has no inhibitory effect on SH-SY5Y cells. Supplemental materials are available for this article.
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Affiliation(s)
- Tang Jiapeng
- a Department of Biochemistry and Pharmacy , Institute of Nautical Medicine, Nantong University , Nantong , P. R. China
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Chen Y, Liu Q, Chen X, Wu J, Xie J, Guo T, Zhu C, Ying H. Control of glycolytic flux in directed biosynthesis of uridine-phosphoryl compounds through the manipulation of ATP availability. Appl Microbiol Biotechnol 2014; 98:6621-32. [PMID: 24769901 DOI: 10.1007/s00253-014-5701-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Revised: 02/14/2014] [Accepted: 03/17/2014] [Indexed: 11/24/2022]
Abstract
Adenosine triphosphate (ATP), the most important energy source for metabolic reactions and pathways, plays a vital role in control of metabolic flux. Considering the importance of ATP in regulation of the glycolytic pathway, the use of ATP-oriented manipulation is a rational and efficient route to regulate metabolic flux. In this paper, a series of efficient ATP-oriented regulation methods, such as changing ambient temperature and altering reduced nicotinamide adenine dinucleotide (NADH), was developed. To satisfy the different demand for ATP at different phases in directed biosynthesis of uridine-phosphoryl compounds, a multiphase ATP supply regulation strategy was also used to enhance to yield of target metabolites.
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Affiliation(s)
- Yong Chen
- College of Biotechnology and Pharmaceutical Engineering, Nanjing University of Technology, Xin mofan Road 5, Nanjing, 210009, China
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Chen F, Feng XH, Liang JF, Xu H, Ouyang PK. An oxidoreduction potential shift control strategy for high purity propionic acid production by Propionibacterium freudenreichii CCTCC M207015 with glycerol as sole carbon source. Bioprocess Biosyst Eng 2012; 36:1165-76. [PMID: 23108441 DOI: 10.1007/s00449-012-0843-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Accepted: 10/15/2012] [Indexed: 11/25/2022]
Abstract
The effects of oxidoreduction potential (ORP) regulation on the process of propionic acid production by Propionibacterium freudenreichii CCTCC M207015 have been investigated. Potassium ferricyanide and sodium borohydride were determined as ORP control agents through serum bottle experiment. In batch fermentation, cell growth, propionic acid and by-products distribution were changed with ORP levels in the range of 0-160 mV. Based on these analysis results, an ORP-shift control strategy was proposed: at first 156 h, ORP was controlled at 120 mV to obtain higher cell growth rate and propionic acid formation rate, and then it was shifted to 80 mV after 156 h to maintain the higher propionic acid formation rate. By applying this strategy, the optimal parameters were obtained as follows: the propionic acid concentration 45.99 g L(-1), productivity 0.192 g L(-1) h(-1), the proportion of propionic acid to total organic acids 92.26 % (w/w) and glycerol conversion efficiency 76.65 %. The mechanism of ORP regulation was discussed by the ratio of NADH/NAD(+), ATP levels, and metabolic flux analysis. The results suggest that it is possible to redistribute energy and metabolic fluxes by the ORP-shift control strategy, and the strategy could provide a simple and efficient tool to realize high purity propionic acid production with glycerol as carbon source.
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Affiliation(s)
- Fei Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Food Science and Light Industry, Nanjing University of Technology, No. 5 New Model Road, Gulou District, Nanjing 210009, China
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