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Invertase adsorption with polymers functionalized by aspartic acid. JOURNAL OF POLYMER ENGINEERING 2022. [DOI: 10.1515/polyeng-2021-0373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Today, the separation and purification processes are highly preferred over the affinity interactions in the scientific world. Among the materials used for this purpose, magnetic particles and cryogels are very popular. Both polymeric structures have their advantages and disadvantages. In this study, poly(2-Hydroxyethyl methacrylate-N-methacryloyl-L-aspartic acid), poly(HEMA-MAsp), magnetic microparticles, and cryogels were synthesized, and adsorption performances of both polymeric structures were investigated by using invertase from aqueous systems. Invertase (β-fructofuranoside fructohydrolase, EC 3.2.1.26) is a commercially important enzyme used in the food industry to obtain the product called invert sugar, which consists of a mixture of equivalent amounts of glucose and fructose. Therefore, it was preferred as a model enzyme in adsorption studies of polymeric structures. According to the results, 104.1 mg g−1 and 135.5 mg g−1 of adsorption capacity values were obtained for cryogel and magnetic microparticle forms, respectively. Increasing temperature slightly reduced the adsorption capacity of both polymeric structures. In the adsorption/desorption cycle studies performed five times with poly(HEMA-MAsp) polymers, both forms were found to have high reusable properties. It was determined that the activity of invertase immobilized on polymeric structures was preserved at a rate of 83.6% for the particle form and 89.2% for the cryogel form.
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Ma X, Sun Y, Pan D, Cao J, Dang Y. Structural characterization and stability analysis of phosphorylated nitrosohemoglobin. Food Chem 2022; 373:131475. [PMID: 34763930 DOI: 10.1016/j.foodchem.2021.131475] [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: 03/18/2021] [Revised: 10/18/2021] [Accepted: 10/24/2021] [Indexed: 11/04/2022]
Abstract
Phosphorylation modification by sodium tripolyphosphate (STP) on nitrosohemoglobin (NO-Hb) and its effect on the protein structure and stability were studied. Phosphate groups were found to bridge to NO-Hb via C-O-P bonds through serine and tyrosine residues. Hydrothermal treatment with STP maintained the α-helix stability of NO-Hb, and this change in secondary structure improved the proteins stability. Compared to NO-Hb, phosphorylated NO-Hb (P-NO-Hb) was more stable with respect to light (outdoor light, indoor light, and dark conditions), oxidant (hydrogen peroxide), high temperature, and non-neutral pH. The absorbance of P-NO-Hb was nearly twice those of Hb and NO-Hb (P < 0.05), and the absorbance of P-NO-Hb decreased more slowly over time than those of Hb and NO-Hb. The results confirm that the presence of phosphate groups can increase the stability of Hb through structural changes.
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Affiliation(s)
- Xiaoqing Ma
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo 315211, PR China; Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, PR China
| | - Yangying Sun
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo 315211, PR China; Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, PR China.
| | - Daodong Pan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo 315211, PR China; Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, PR China.
| | - Jinxuan Cao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo 315211, PR China; Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, PR China
| | - Yali Dang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo 315211, PR China; Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, PR China
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Andjelković U, Gudelj I, Klarić T, Hinneburg H, Vinković M, Wittine K, Dovezenski N, Vikić-Topić D, Lauc G, Vujčić Z, Josić D. Increased yield of enzymatic synthesis by chromatographic selection of different N-glycoforms of yeast invertase. Electrophoresis 2020; 42:2626-2636. [PMID: 33026663 DOI: 10.1002/elps.202000092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 09/20/2020] [Accepted: 09/28/2020] [Indexed: 11/10/2022]
Abstract
Invertases are glycosidases applied for synthesis of alkyl glycosides that are important and effective surfactants. Stability of invertases in the environment with increased content of organic solvent is crucial for increase of productivity of glycosidases. Their stability is significantly influenced by N-glycosylation. However, yeast N-glycosylation pathways may synthesize plethora of N-glycan structures. A total natural crude mixture of invertase glycoforms (EINV) extracted from Saccharomyces cerevisiae was subfractionated by anion-exchange chromatography on industrial monolithic supports to obtain different glycoforms (EINV1-EINV3). Separated glycoforms exhibited different stabilities in water-alcohol solutions that are in direct correlation with the amount of phosphate bound to N-glycans. Observed differences in stability of different invertase glycoforms were used to improve productivity of methyl β-d-fructofuranoside (MF) synthesis. The efficiency and yield of MF synthesis were improved more than 50% when the most stabile glycoform bearing the lowest amount of phosphorylated N-glycans is selected and utilized. These data underline the importance of analysis of glycan structures attached to glycoproteins, demonstrate different impact of N-glycans on the surface charge and enzyme stability in regard to particular reaction environment, and provide a platform for improvement of yield of industrial enzymatic synthesis by chromatographic selection of glycoforms on monolithic supports.
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Affiliation(s)
- Uroš Andjelković
- University of Belgrade-Institute of Chemistry, Technology and Metallurgy-National Institute of the Republic of Serbia, Belgrade, Serbia.,Department of Biotechnology, University of Rijeka, Rijeka, Croatia
| | - Ivan Gudelj
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - Thomas Klarić
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - Hannes Hinneburg
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
| | | | - Karlo Wittine
- Department of Biotechnology, University of Rijeka, Rijeka, Croatia
| | - Nebojša Dovezenski
- Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Dražen Vikić-Topić
- NMR Centre, Ruđer Bošković Institute, Zagreb, Croatia.,Department of Natural and Health Sciences, Juraj Dobrila University of Pula, Pula, Croatia
| | - Gordan Lauc
- Genos Glycoscience Research Laboratory, Zagreb, Croatia.,Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Zoran Vujčić
- Faculty of Chemistry, University of Belgrade, Belgrade, Serbia
| | - Djuro Josić
- Department of Biotechnology, University of Rijeka, Rijeka, Croatia
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Öztop HN, Akyildiz F, Saraydin D. Poly(acrylamide/vinylsulfonic acid) hydrogel for invertase immobilization. Microsc Res Tech 2020; 83:1487-1498. [DOI: 10.1002/jemt.23542] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 05/28/2020] [Accepted: 06/16/2020] [Indexed: 11/08/2022]
Affiliation(s)
- Hesna N. Öztop
- Biochemistry Department, Faculty of Science Sivas Cumhuriyet University Sivas Turkey
| | - Furkan Akyildiz
- Biochemistry Department, Faculty of Science Sivas Cumhuriyet University Sivas Turkey
| | - Dursun Saraydin
- Chemistry Department, Faculty of Science Sivas Cumhuriyet University Sivas Turkey
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Preparation and specific recognition of protein macromolecularly imprinted polyampholyte hydrogel. Talanta 2019; 192:14-23. [DOI: 10.1016/j.talanta.2018.08.084] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 07/28/2018] [Accepted: 08/30/2018] [Indexed: 10/28/2022]
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Taiomara BD, Vanessa CA, Caroline H, M aacute rcia RSOE, Marise FDS, Carla LDT, Jose LDCCA, Rita DCASGS, Marina KK. -Fructofuranosidase production by Aspergillus versicolor isolated from Atlantic forest and grown on apple pomace. ACTA ACUST UNITED AC 2016. [DOI: 10.5897/ajmr2016.8038] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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7
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In-depth glycoproteomic characterisation of grape berry vacuolar invertase using a combination of mass spectrometry-based approaches. Food Chem 2016; 200:237-44. [DOI: 10.1016/j.foodchem.2016.01.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 12/18/2015] [Accepted: 01/07/2016] [Indexed: 11/19/2022]
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Diandra DA, Vanessa CA, Alesandra O, Caroline H, Veridiana AADCP, Marina KK. Improved production of -galactosidase and -fructofuranosidase by fungi using alternative carbon sources. ACTA ACUST UNITED AC 2015. [DOI: 10.5897/sre2015.6065] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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9
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Andjelković U, Milutinović-Nikolić A, Jović-Jovičić N, Banković P, Bajt T, Mojović Z, Vujčić Z, Jovanović D. Efficient stabilization of Saccharomyces cerevisiae external invertase by immobilisation on modified beidellite nanoclays. Food Chem 2015; 168:262-9. [DOI: 10.1016/j.foodchem.2014.07.055] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 05/31/2014] [Accepted: 07/08/2014] [Indexed: 12/12/2022]
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Functional characterization of a vacuolar invertase from Solanum lycopersicum: post-translational regulation by N-glycosylation and a proteinaceous inhibitor. Biochimie 2013; 101:39-49. [PMID: 24374160 DOI: 10.1016/j.biochi.2013.12.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Accepted: 12/13/2013] [Indexed: 11/22/2022]
Abstract
Plant vacuolar invertases, which belong to family 32 of glycoside hydrolases (GH32), are key enzymes in sugar metabolism. They hydrolyse sucrose into glucose and fructose. The cDNA encoding a vacuolar invertase from Solanum lycopersicum (TIV-1) was cloned and heterologously expressed in Pichia pastoris. The functional role of four N-glycosylation sites in TIV-1 has been investigated by site-directed mutagenesis. Single mutations to Asp of residues Asn52, Asn119 and Asn184, as well as the triple mutant (Asn52, Asn119 and Asn184), lead to enzymes with reduced specific invertase activity and thermostability. Expression of the N516D mutant, as well as of the quadruple mutant (N52D, N119D, N184D and N516D) could not be detected, indicating that these mutations dramatically affected the folding of the protein. Our data indicate that N-glycosylation is important for TIV-1 activity and that glycosylation of N516 is crucial for recombinant enzyme stability. Using a functional genomics approach a new vacuolar invertase inhibitor of S. lycopersicum (SolyVIF) has been identified. SolyVIF cDNA was cloned and heterologously expressed in Escherichia coli. Specific interactions between SolyVIF and TIV-1 were investigated by an enzymatic approach and surface plasmon resonance (SPR). Finally, qRT-PCR analysis of TIV-1 and SolyVIF transcript levels showed a specific tissue and developmental expression. TIV-1 was mainly expressed in flowers and both genes were expressed in senescent leaves.
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Chakraborty C, Agrawal A. Computational analysis of C-reactive protein for assessment of molecular dynamics and interaction properties. Cell Biochem Biophys 2013; 67:645-56. [PMID: 23494263 PMCID: PMC3874389 DOI: 10.1007/s12013-013-9553-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Serum C-reactive protein (CRP) is used as a marker of inflammation in several diseases including autoimmune disease and cardiovascular disease. CRP, a member of the pentraxin family, is comprised of five identical subunits. CRP has diverse ligand-binding properties which depend upon different structural states of CRP. However, little is known about the molecular dynamics and interaction properties of CRP. In this study, we used SAPS, SCRATCH protein predictor, PDBsum, ConSurf, ProtScale, Drawhca, ASAView, SCide and SRide server and performed comprehensive analyses of molecular dynamics, protein-protein and residue-residue interactions of CRP. We used 1GNH.pdb file for the crystal structure of human CRP which generated two pentamers (ABCDE and FGHIJ). The number of residues involved in residue-residue interactions between A-B, B-C, C-D, D-E, F-G, G-H, H-I, I-J, A-E and F-J subunits were 12, 11, 10, 11, 12, 11, 10, 11, 10 and 10, respectively. Fifteen antiparallel β sheets were involved in β-sheet topology, and five β hairpins were involved in forming the secondary structure. Analysis of hydrophobic segment distribution revealed deviations in surface hydrophobicity at different cavities present in CRP. Approximately 33 % of all residues were involved in the stabilization centers. We show that the bioinformatics tools can provide a rapid method to predict molecular dynamics and interaction properties of CRP. Our prediction of molecular dynamics and interaction properties of CRP combined with the modeling data based on the known 3D structure of CRP is helpful in designing stable forms of CRP mutants for structure-function studies of CRP and may facilitate in silico drug design for therapeutic targeting of CRP.
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Affiliation(s)
- Chiranjib Chakraborty
- Department of Bioinformatics, School of Computer and Information Sciences, Galgotias University, Greater Noida, India,
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Radisavljević M, Kamceva T, Vukićević I, Nisavić M, Milovanović M, Petković M. Sensitivity and accuracy of organic matrix-assisted laser desorption and ionisation mass spectrometry of FeCl3 is higher than in in matrix-free approach. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2013; 19:77-89. [PMID: 24261080 DOI: 10.1255/ejms.1217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
We compare the quality and reliability of laser desorption and ionisation mass spectra of FeCl3 acquired without the assistance of the matrix with the spectra acquired with different organic matrix molecules. Generally, inorganic salts tend to form clusters upon laser irradiation, the signals of which can be easily distinguished from ions arising from the matrix. In the presence of a matrix, cluster ions are, however, mostly suppressed. We have compared the number of analyte signals, accuracy of determination of isotope composition of the analyte and the sensitivity of FeCl3 detection between different approaches. The results obtained imply that the sensitivity of mass spectrometric analysis of FeCl3 is somewhat higher when matrices are applied than in the matrix-free approach. Among all matrices tested in this work, F20TPP seems to be the most promising for further applications as a matrix for mass spectrometry of inorganic salts.
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Affiliation(s)
- Maja Radisavljević
- Laboratory of Physical Chemistry, Vinća, Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia.
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