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Oz Tuncay F, Cakmak U, Kolcuoglu Y. Aqueous two-phase extraction and characterization of thermotolerant alkaliphilic Cladophora hutchinsiae xylanase: biochemical properties and potential applications in fruit juice clarification and fish feed supplementation. Prep Biochem Biotechnol 2024; 54:553-563. [PMID: 37668166 DOI: 10.1080/10826068.2023.2253469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
Xylanase finds extensive applications in diverse biotechnological fields such as biofuel production, pulp and paper industry, baking and brewing industry, food and feed industry, and deinking of waste paper. Here, polyethylene glycol (PEG)-phosphate aqueous two-phase system (ATPS) was applied for the purification of an alkaline active and thermotolerant xylanase from a marine source, Cladophora hutchinsiae (C. hutchinsiae). In the purification process, the effects of some experimental factors such as PEG concentration and PEG molar mass, potassium phosphate(K2HP04) concentration, and pH on xylanase distribution were systematically investigated. Relative enzymatic activity and purification factor obtained were 93.21% and 7.18, respectively. A single protein band of 28 kDa was observed on SDS-PAGE. The optimum temperature and pH of xylanase with beechwood xylan were 30 °C and 9.0, respectively. The Lineweaver-Burk graph was utilized to determine the Km (4.5 ± 0.8 mg/mL), Vmax (0.04 ± 0.01 U) and kcat (0.001 s-1) values of the enzyme. It was observed that the purified xylanase maintained 70% of its activity at 4 °C and was found stable at pH 4.0 by retaining almost all of its activity. Enzymatic activity was slightly enhanced with Na+, K+, Ca2+ and acetone. The highest increase in the reducing sugar amount was 53.6 ± 3.8, for orange juice at 50 U/mL enzyme concentration.
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Affiliation(s)
- Fulya Oz Tuncay
- Department of Chemistry, Karadeniz Technical University, Trabzon, Turkey
| | - Ummuhan Cakmak
- Department of Chemistry, Karadeniz Technical University, Trabzon, Turkey
| | - Yakup Kolcuoglu
- Department of Chemistry, Karadeniz Technical University, Trabzon, Turkey
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Saki Norouzi G, Rahimpour F. Investigating and Optimizing Insulin Partitioning with Conjugated Au Nanoparticles in Aqueous Two-Phase Systems Using Response Surface Methodology. ACS OMEGA 2024; 9:9676-9685. [PMID: 38434876 PMCID: PMC10905728 DOI: 10.1021/acsomega.3c09664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/21/2024] [Accepted: 02/08/2024] [Indexed: 03/05/2024]
Abstract
This study investigated the impact of bioconjugation on the partitioning of insulin, a clinically valuable protein, in an aqueous two-phase system. Gold nanoparticles of different sizes were synthesized and conjugated with insulin. Analysis of the conjugated insulin showed that the insulin remains fully active. Conjugated gold nanoparticles (AuNPs/insulin) were used in polyethylene glycol (PEG)-dextran aqueous two-phase systems to investigate the effect of pH, PEG and dextran molecular weights, PEG and dextran concentrations, AuNPs/insulin dosage, and nanoparticle size on the partition coefficient. These systems were chosen for their biocompatibility and low toxicity. Response surface methodology with D-optimal design was used to model and optimize these systems and their affected parameters. At the optimum condition of a pH = 8 system containing 21% PEG 4000, 5% dextran 100,000, and 100 IU AuNPs/insulin, the partition coefficient of AuNPs/insulin was found to be 192.96, which is in agreement with the empirical partition coefficient of 189.2. This is significantly higher than the partition coefficient of free insulin in a similar system. This approach could be used to overcome limitations in the feasibility of aqueous two-phase systems for industrial-scale purification of biomolecules and biopharmaceuticals.
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Affiliation(s)
- Ghazal Saki Norouzi
- Biotechnology Research Laboratory,
Chemical Engineering Department, Faculty of Petroleum and Chemical
Engineering, Razi University, Kermanshah 67144-14971, Iran
| | - Farshad Rahimpour
- Biotechnology Research Laboratory,
Chemical Engineering Department, Faculty of Petroleum and Chemical
Engineering, Razi University, Kermanshah 67144-14971, Iran
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Isolation of papain from ripe papaya peel using aqueous two-phase extraction. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01741-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Ji YW, Rao GW, Xie GF. Ultrasound-assisted aqueous two-phase extraction of total flavonoids from Tremella fuciformis and antioxidant activity of extracted flavonoids. Prep Biochem Biotechnol 2022; 52:1060-1068. [DOI: 10.1080/10826068.2022.2028636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- You-wei Ji
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou, China
| | - Gui-wei Rao
- Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou, China
| | - Guang-fa Xie
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou, China
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Chen X, Huang X, Tang Y, Zhang L. Efficient Purification of Nuclease P1 from Penicillium citrinum Using Polyethylene Glycol/Disodium Guanosine Monophosphate Aqueous Two-Phase System. Appl Biochem Biotechnol 2021; 193:3753-3764. [PMID: 34398422 DOI: 10.1007/s12010-021-03637-2] [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: 05/06/2021] [Accepted: 07/19/2021] [Indexed: 11/24/2022]
Abstract
Nuclease P1 (NP1) can hydrolyze nucleic acids into four 5'-mononucleotides, which are widely used in the pharmaceutical and food industries. In this paper, an aqueous two-phase system (ATPS) was developed to purify NP1 from Penicillium citrinum. Polyethylene glycol (PEG) and nucleotides salts were studied to form ATPSs, among which PEG3000/disodium guanosine monophosphate (GMPNa2) was researched, including the phase composition and pH. Using 14% (w/w) PEG3000 and 20% (w/w) GMPNa2 ATPS at pH 5.0, the best recovery and purification factor, 82.4% and 3.59, were obtained. The recovery of NP1 was 98.3% by the separation of ultrafiltration from the PEG-rich phase. The recycling use of GMPNa2 was also studied, and 95.1% of GMPNa2 in the salt-rich phase was obtained with the addition of ethanol as the solvent. These results showed that the ATPS was effective for purification of NP1.
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Affiliation(s)
- Xiaochun Chen
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, Puzhu South Road, Nanjing, 211816, China.
| | - Xiaoquan Huang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, Puzhu South Road, Nanjing, 211816, China
| | - Yiwen Tang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, Puzhu South Road, Nanjing, 211816, China
| | - Lei Zhang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, Puzhu South Road, Nanjing, 211816, China
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Taddia A, Rito-Palomares M, Mayolo-Deloisa K, Tubio G. Purification of xylanase from Aspergillus niger NRRL3 extract by an integrated strategy based on aqueous two-phase systems followed by ion exchange chromatography. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117699] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Neves DSC, Souza AS, de Lemos LR. Multivariate optimization of an aqueous two-phase extraction for determination of cadmium and manganese in food sample. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105458] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Wu ZM, Hao CL, Tong T, Zheng RC, Zheng YG. Purification of (S)-3-cyano-5-methylhexanoic acid from bioconversion broth using an acetone/ammonium sulfate aqueous two-phase system. Process Biochem 2020. [DOI: 10.1016/j.procbio.2019.10.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Liu Y, Guo H, Gu J, Qin W. Optimize purification of a cellulase from Bacillus velezensis A4 by aqueous two-phase system (ATPS) using response surface methodology. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.08.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Shahbazmohammadi H, Sardari S, Omidinia E. Optimization of aqueous two-phase partitioning for purification of recombinant Eupenicillium terrenum fructosyl peptide oxidase. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Bhardwaj N, Kumar B, Agarwal K, Chaturvedi V, Verma P. Purification and characterization of a thermo-acid/alkali stable xylanases from Aspergillus oryzae LC1 and its application in Xylo-oligosaccharides production from lignocellulosic agricultural wastes. Int J Biol Macromol 2019; 122:1191-1202. [DOI: 10.1016/j.ijbiomac.2018.09.070] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 08/24/2018] [Accepted: 09/12/2018] [Indexed: 01/17/2023]
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Chen Z, Zaky AA, Liu Y, Chen Y, Liu L, Li S, Jia Y. Purification and characterization of a new xylanase with excellent stability from Aspergillus flavus and its application in hydrolyzing pretreated corncobs. Protein Expr Purif 2019; 154:91-97. [DOI: 10.1016/j.pep.2018.10.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 09/01/2018] [Accepted: 10/10/2018] [Indexed: 12/31/2022]
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Yu L, Zhang H, Yang L, Tian K. Optimization of purification conditions for papain in a polyethylene glycol-phosphate aqueous two-phase system using quaternary ammonium ionic liquids as adjuvants by BBD-RSM. Protein Expr Purif 2018; 156:8-16. [PMID: 30579927 DOI: 10.1016/j.pep.2018.12.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 12/18/2018] [Accepted: 12/18/2018] [Indexed: 12/31/2022]
Abstract
This work attempts to study and optimize the conditions for separating and purifying papain in aqueous two-phase systems (ATPSs). Quaternary ammonium ionic liquids (ILs, 4 wt%) were added as adjuvants to a PEG-phosphate ATPS. On the basis of single-factor experiments, a Box-Behnken design with response surface methodology (BBD-RSM) was used to optimize the purification conditions of papain in the ATPS by setting the NaH2PO4·2H2O concentration, PEG concentration and pH as independent variables and the overall desirability (OD) of the recovery rate of papain, the protein recovery rate and the purification factor as dependent variables. The following optimum conditions were determined: PEG4000 16.4 wt%, NaH2PO4·2H2O 13.7 wt%, pH 6.22, temperature 60 °C and enzyme concentration 12.0 mg/ml. Under the optimized conditions, the purification factor for the ATPS supplemented with commercial enzyme increased from 1.331 (no ILs) to 3.380 (containing 4 wt% [N2222]BF4). The total evaluation OD was 0.9979, the maximum predicted OD was 0.9994, and the deviation rate was -0.15%. Therefore, the model established in this experiment could predict the experimental value well. To verify the practical effect of the model, papain obtained from fresh papaya latex (papain crude extract) was applied to the same ATPS. The results showed that the purification factor of the ATPS with papain crude extract increased from 3.517 (no ILs) to 12.04 (containing 4 wt% [N2222]BF4). In summary, the addition of 4 wt% ILs to partially replace PEG greatly improved the purification factor for crude papain extract enriched in the phosphate phase, providing a potential method for the large-scale industrial production of papain.
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Affiliation(s)
- Lei Yu
- College of Food Science, Hainan University, Haikou, PR China
| | - Haide Zhang
- College of Food Science, Hainan University, Haikou, PR China.
| | - Lvqing Yang
- College of Food Science, Hainan University, Haikou, PR China
| | - Kangyong Tian
- College of Food Science, Hainan University, Haikou, PR China
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