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Costa BDAMD, Araújo ACVD, Fernandes LMG, Porto ALF, Oliveira VDM, Porto TS. Extraction of collagenolytic proteases from Aspergillus heteromorphus URM 0269 in an aqueous two-phase system for application in collagen hydrolysis. Prep Biochem Biotechnol 2024; 54:647-659. [PMID: 37814816 DOI: 10.1080/10826068.2023.2263870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
Collagenolytic proteases produced by Aspergillus heteromorphus URM0269 were extracted using a PEG/sulfate aqueous two-phase system (ATPS). A 23 factorial design was performed to analyze the independent variables: PEG molar mass (MPEG), PEG concentration (CPEG), and sulfate concentration (Csulf). The extracted proteases were also evaluated for their optimum pH and stability at different pH levels (4.0 - 11.0) after 20 h of incubation. Collagen was extracted from mutton snapper (Lutjanus analis) skin using acetic acid (0.5 mol L-1). The enzyme was preferentially partitioned to the PEG-rich phase (K > 1), whose highest purification factor and recovery (PF = 6.256 and Y = 404.432%) were obtained under specific conditions: MPEG 8000 g.mol-1, CPEG 30%, Csulf 10%. The ATPS extraction provided an enzymatic activity range of pH 7.0 - 11.0, exhibiting greater stability compared to the crude extract. Approximately 80% of protease activity was maintained after 20 hours of incubation at all analyzed pH levels, except pH 11.0. Collagen extraction from L. analis skin yielded 8.056%, and both crude extract samples and ATPS-derived samples successfully hydrolyzed the extracted collagen, reaching peak hydrolysis after 36 hours of treatment. These findings demonstrate the feasibility of extracting highly purified and active proteases capable of hydrolyzing L. analis collagen.
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Affiliation(s)
| | | | | | | | | | - Tatiana Souza Porto
- Department of Animal Morphology and Physiology, Federal Rural University of Pernambuco, Recife, Brazil
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de Lima TC, de Sobral GG, de França Queiroz AES, Chinelate GCB, Porto TS, Oliveira JTC, Carneiro GF. Characterization of lyophilized equine colostrum. J Equine Vet Sci 2024; 132:104975. [PMID: 38040068 DOI: 10.1016/j.jevs.2023.104975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 11/20/2023] [Accepted: 11/29/2023] [Indexed: 12/03/2023]
Abstract
Foals require maternal colostrum in the first hours of life to prevent failure of transfer of passive immunity (FTIP). Innovative storage methods such as lyophilization may enable conservation of colostrum immunoglobulins by a differentiated process of dehydration. The current study aimed to compare the quality of equine colostrum after freezing and after the lyophilization process. Thirty-one pregnant Quarter Horse mares were used. The IgG concentration of frozen and lyophilized colostrum was determined by simple radial immunodiffusion (SRID) and Brix refractometry. The physical-chemical composition (pH, total protein (TP), fat, lactose, salts, total solids (TS), and density) of the samples was evaluated and the lyophilized colostrum reconstitution test was performed. There were no significant differences (P > 0.05) in the variables IgG, fat, lactose, salts, TS, density, and pH between samples measured before and after lyophilization. There was a significant difference (P < 0.05) between the Brix average and the TP of the frozen and lyophilized colostrum samples. Lyophilization resulted in a small reduction (6.55%) in the IgG concentration measured by SRID. A strong positive correlation was observed between colostrum density and IgG concentration by SRID (r = 0.76) and between Brix and IgG concentration by SRID (r = 0.77). In the reconstitution test, the lyophilized colostrum was easily rehydrated in water, with full dilution, and remained stable. Lyophilization could be an alternative for the conservation of mare colostrum, since it is a very efficient process for retaining the physicochemical characteristics of the product, with minimal loss, particularly of IgG.
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da Silva WB, Porto TS, da Silva SP, de Oliveira RL. Optimization strategy for inulinase production by Aspergillus niger URM5741 and its biochemical characterization, kinetic/thermodynamic study, and application on inulin and sucrose hydrolysis. 3 Biotech 2023; 13:376. [PMID: 37881510 PMCID: PMC10593723 DOI: 10.1007/s13205-023-03790-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 09/25/2023] [Indexed: 10/27/2023] Open
Abstract
Inulinases are enzymes of great interest in the food industry, especially due to their application in the synthesis of fructose and fructo-oligosaccharides. Moreover, some inulinases (I) also present invertase activity (S), making them useful for sucrose hydrolysis processes. In the present study, the production of inulinase by Aspergillus niger URM5741 was evaluated and optimized using two statistical approaches. First, the composition of the cultivation medium was determined through a simplex centroid mixture design, followed by the selection of optimal fermentation conditions using the Box-Behnken design. Based on these experimental designs, the maximum activities of inulinase (16.68 U mL-1) and invertase (27.80 U mL-1) were achieved using a mixture of wheat, soy, and oat brans (5 g), along with 2.5% inulin and 40% moisture. The inulinase exhibited optimum temperature and pH of 60 °C and 4.0, respectively, displayed a high affinity for both substrates, as evidenced by very-low Michaelis constant values (1.07-1.54 mM). A relative thermostability was observed at 55-60 °C as indicated by half-lives values (I: 169.06-137.27 min; S: 173.29-141.52 min) and D-values (I: 561.61-456.00 min; S: 575.65-470.11 min) which were further confirmed by the high activation energy (123.01 and 143.29 kJ mol-1). The enzyme demonstrated favorable results in terms of inulin and sucrose hydrolysis, being a maximum release of reducing sugars of 6.04 and 15.80 g L-1, respectively. These results indicate that the sequential statistical approach proved to be beneficial to produce inulinase by A. niger URM5741, with the obtained enzyme considered promising for long-term industrial applications.
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Affiliation(s)
- Wanessa Braz da Silva
- School of Food Engineering, Federal University of the Agreste of Pernambuco/UFAPE, Av. Bom Pastor, Boa Vista, s/n, Garanhuns, PE 55296-901 Brazil
| | - Tatiana Souza Porto
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco/UFRPE, Av. Dom Manoel de Medeiros, s/n, Recife, PE 52171-900 Brazil
| | - Suzana Pedroza da Silva
- School of Food Engineering, Federal University of the Agreste of Pernambuco/UFAPE, Av. Bom Pastor, Boa Vista, s/n, Garanhuns, PE 55296-901 Brazil
| | - Rodrigo Lira de Oliveira
- School of Food Engineering, Federal University of the Agreste of Pernambuco/UFAPE, Av. Bom Pastor, Boa Vista, s/n, Garanhuns, PE 55296-901 Brazil
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Leite DPDSBM, Barbosa IC, da Silva RA, Fernandes PR, Abad ACA, da Silva JG, Mota RA, Porto TS. Occurrence of antimicrobial-resistant Staphylococcus aureus in a Brazilian veterinary hospital environment. Braz J Microbiol 2023; 54:2393-2401. [PMID: 37407882 PMCID: PMC10485224 DOI: 10.1007/s42770-023-01035-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 06/07/2023] [Indexed: 07/07/2023] Open
Abstract
Antimicrobial resistance is a threat to public health. The emergence of antibiotic-resistant Staphylococcus aureus represents a priority for the implementation of preventive measures. The objective was to isolate S. aureus in humans, animals, and animal health care environment, and to characterize the genotypic and phenotypic profile of antimicrobial resistance in these isolates. We isolated S. aureus from staff, animals, and environment of a veterinary hospital, and identified their antimicrobial resistance profiles. Samples were collected from 20 humans, 13 animals, 14 surfaces, 8 mobile phones, and 7 veterinarians' stethoscopes by using sterile swabs. S. aureus was isolated by culturing on mannitol salt agar and preliminary identification was done by Gram staining and catalase test. Subsequently, a polymerase chain reaction was performed for species confirmation and investigating their antimicrobial-resistant genotypic profiles. Phenotypic profiles of resistant isolates were determined using the disk-diffusion technique. Ten S. aureus isolates were recovered from 5/20 humans (25%), it was also recovered from 2/13 animals (15.38%), including 1 dog and 1 cat, and from 1/14 of surfaces (7.14%). The oxacillin-susceptible mecA-positive Staphylococcus aureus phenotype was identified in a feline. Most of the isolates carried at least two resistance genes of different antimicrobial classes, with 90% (9/10) presenting the gene blaZ, with 10% (1/10) presenting the gene mecA, 20% (2/10) presenting tet38, 10% (1/10) presenting tetM, 90% (9/10) presenting norA, 50% (5/10) presenting norC, 10% (1/10) presenting ermA, and 60% (6/10) presenting ermB. In antibiograms, resistance to penicillin was identified in all the isolates, resistance to erythromycin was identified in 80% (8/10), and all the isolate's resistance to erythromycin presented erythromycin-induced resistance to clindamycin. Antimicrobial resistance in the veterinary hospital requires attention due to the risk of interspecies transmission, gene transfer between bacteria that colonize companion animals and humans and, can make antimicrobial therapy difficult.
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Affiliation(s)
- Denny Parente de Sá Barreto Maia Leite
- Department of Veterinary Medicine, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
- Department of Animal Morphology and Physiology, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
| | - Iago Carvalho Barbosa
- Department of Veterinary Medicine, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
- Department of Animal Morphology and Physiology, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
| | - Renato Amorim da Silva
- Department of Veterinary Medicine, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
- Department of Animal Morphology and Physiology, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
| | - Pollyanne Raysa Fernandes
- Department of Veterinary Medicine, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
- Department of Animal Morphology and Physiology, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
| | - Atzel Candido Acosta Abad
- Department of Veterinary Medicine, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
- Department of Animal Morphology and Physiology, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
| | - José Givanildo da Silva
- Department of Preventive Veterinary Medicine and Animal Production, School of Veterinary Medicine and Zootechnics, Federal University of Bahia (UFBA), Salvador, Bahia, Brazil
| | - Rinaldo Aparecido Mota
- Department of Veterinary Medicine, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil.
| | - Tatiana Souza Porto
- Department of Animal Morphology and Physiology, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil.
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de Oliveira RL, dos Santos AFA, Cardoso BA, da Silva Santos TS, de Campos-Takaki GM, Porto TS, Porto CS. Production, Kinetic/Thermodynamic Study, and Evaluation of the Influence of Static Magnetic Field on Kinetic Parameters of β-Fructofuranosidase from Aspergillus tamarii Kita UCP 1279 Produced by Solid-State Fermentation. BioTech 2023; 12:biotech12010021. [PMID: 36975311 PMCID: PMC10046036 DOI: 10.3390/biotech12010021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 02/27/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
β-fructofuranosidases (FFases) are enzymes involved in sucrose hydrolysis and can be used in the production of invert sugar and fructo-oligosaccharides (FOS). This last is an important prebiotic extensively used in the food industry. In the present study, the FFase production by Aspergillus tamarii Kita UCP 1279 was assessed by solid-state fermentation using a mixture of wheat and soy brans as substrate. The FFase presents optimum pH and temperature at 5.0–7.0 and 60 °C, respectively. According to the kinetic/thermodynamic study, the FFase was relatively stable at 50 °C, a temperature frequently used in industrial FOS synthesis, using sucrose as substrate, evidenced by the parameters half-life (115.52 min) and D-value (383.76 min) and confirmed by thermodynamic parameters evaluated. The influence of static magnetic field with a 1450 G magnetic flux density presented a positive impact on FFase kinetic parameters evidenced by an increase of affinity of enzyme by substrate after exposition, observed by a decrease of 149.70 to 81.73 mM on Km. The results obtained indicate that FFases present suitable characteristics for further use in food industry applications. Moreover, the positive influence of a magnetic field is an indicator for further developments of bioprocesses with the presence of a magnetic field.
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Affiliation(s)
- Rodrigo Lira de Oliveira
- School of Food Engineering, Federal University of Agreste of Pernambuco/UFAPE, Av. Bom Pastor, Boa Vista, s/n, Garanhuns 55296-901, Brazil
- Correspondence: (R.L.d.O.); (C.S.P.); Tel.: +55-87-3764-5500 (R.L.d.O.); +55-82-3551-2784 (C.S.P.)
| | | | - Bianca Alencar Cardoso
- Education Unit of Penedo, Federal University of Alagoas/UFAL, Avenida Beira Rio, s/n, Penedo 57200-000, Brazil
| | | | - Galba Maria de Campos-Takaki
- Nucleus of Research in Environmental Sciences and Biotechnology, Catholic University of Pernambuco/UNICAP, Rua do Príncipe, 526, Recife 50050-590, Brazil
| | - Tatiana Souza Porto
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco/UFRPE, Av. Dom Manoel de Medeiros, s/n, Recife 52171-900, Brazil
| | - Camila Souza Porto
- Education Unit of Penedo, Federal University of Alagoas/UFAL, Avenida Beira Rio, s/n, Penedo 57200-000, Brazil
- Correspondence: (R.L.d.O.); (C.S.P.); Tel.: +55-87-3764-5500 (R.L.d.O.); +55-82-3551-2784 (C.S.P.)
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dos Santos Silva ME, de Oliveira RL, Sousa TCDA, Grisi CVB, Ferreira VCDS, Porto TS, Madruga MS, Silva SPD, Silva FAPD. Microencapsulated phenolic-rich extract from juice processing grape pomace (Vitis labrusca. Isabella Var): Effects on oxidative stability of raw and pre-cooked bovine burger. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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de Oliveira RL, Bernardino MIDS, Silva TBS, Converti A, Porto CS, Porto TS. Extraction and purification of Aspergillus tamarii β-fructofuranosidase with transfructosylating activity using aqueous biphasic systems (PEG/phosphate) and magnetic field. Prep Biochem Biotechnol 2021; 52:478-486. [PMID: 34428129 DOI: 10.1080/10826068.2021.1964085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
β-fructofuranosidases (FFases) are enzymes involved in sucrose hydrolysis and fructo-oligosaccharides' production which are of great interest for the food industry. FFase from Aspergillus tamarii URM4634 was extracted using PEG/Phosphate Aqueous Biphasic Systems (ABS), and the impact of magnetic field on the extraction behavior was evaluated. A 24-full experimental design was employed to study the influence of molar mass of PEG, concentrations of PEG and phosphate and pH on the selected response variables, i.e., partition coefficient (K), purification factor (PF), activity yield (Y) and selectivity (S). The influence of magnetic field during partition and NaCl concentration on the same responses was also studied. The best results of FFase extraction without magnetic field (K = 0.50, PF = 4.05, Y = 72.66% and S = 0.06) were observed at pH 8.0 using 12.5% (w/w) PEG 400 and 25% (w/w) NaH2PO4/K2HPO4. Application of the magnetic field allowed improving the performance, with the best results being obtained at the longest distance between magnets (lowest magnetic field) and absence of NaCl (K = 0.93, PF = 4.22, Y = 83.79% and S = 0.09). The outcomes obtained demonstrate that ABS combination with low intensity magnetic field can be used as an efficient FFase pre-purification method.
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Affiliation(s)
| | | | | | - Attilio Converti
- Department Civil, Chemical and Environmental Engineering, University of Genoa, Genoa, Italy
| | | | - Tatiana Souza Porto
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Recife, Brazil
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Alves RO, de Oliveira RL, da Silva OS, Porto ALF, Porto CS, Porto TS. Extractive fermentation for process integration of protease production by Aspergillus tamarii Kita UCP1279 and purification by PEG-Citrate Aqueous Two-Phase System. Prep Biochem Biotechnol 2021; 52:30-37. [PMID: 33787455 DOI: 10.1080/10826068.2021.1904257] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The present study evaluated the influence of the variables polyethylene glycol (PEG) molar mass, pH, PEG concentration and sodium citrate concentration in the integrated production of the protease from Aspergillus tamarii Kita UCP1279 by extractive fermentation, obtaining as a response the partition coefficient (K), activity yield (Y) and concentration factor (CF). The enzyme preferably partitioned to the top phase and obtained in the system formed by variables MPEG = 400 g mol-1, CPEG = 20% (w w-1), and CCIT = 20% (w w-1) and pH 6, in this condition were obtained CF = 1.90 and Y = 79.90%. The protease showed stability at a temperature of 60 °C for 180 min, with optimum temperature 40 °C and pH 8.0. For the ions and inhibitors effects, the protease activity increased when exposed to Fe2+, Ca2+ and Zn2 + and inhibited by EDTA, being classified as metalloprotease. The kinetic parameters Km (35.63 mg mL-1) and Vmax (1.205 mg mL-1 min-1) were also estimated. Thus, the protease showed desirable characteristics that enable future industrial applications, especially, for beer industry.
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Affiliation(s)
| | | | - Osmar Soares da Silva
- Laboratory of Basic Biology Teaching Azarias Salgado/LABAS, Reference High School Azarias Salgado, Angelim, Brazil
| | - Ana Lúcia Figueiredo Porto
- Laboratory of Bioactives Technology (LABTECBIO), Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Brazil
| | - Camila Souza Porto
- Laboratory of Bioproducts and Bioprocesses Development (LADBIOPROS), Education Unit of Penedo, Federal University of Alagoas, Penedo, Brazil
| | - Tatiana Souza Porto
- Academic Unit of Garanhuns, Federal Rural University of Pernambuco, Garanhuns, Brazil
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de Oliveira RL, Dos Santos VLV, da Silva MF, Porto TS. Kinetic/thermodynamic study of immobilized β-fructofuranosidase from Aspergillus tamarii URM4634 in chitosan beads and application on invert sugar production in packed bed reactor. Food Res Int 2020; 137:109730. [PMID: 33233298 DOI: 10.1016/j.foodres.2020.109730] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 09/13/2020] [Accepted: 09/13/2020] [Indexed: 01/14/2023]
Abstract
β-fructofuranosidase (FFase) from Aspergillus tamarii URM4634 was immobilized covalently in chitosan beads. It was characterized biochemically, studied in terms of kinetic and thermodynamic parameters, and applied on conversion of sucrose for invert sugar production in a packed bed reactor (PBR). The optimum reactional conditions were determined and obtained at pH 5.0 and 60 °C. FFase was thermostable at 50-55°C. At 50°C, the enzyme shows longer half-life (t1/2) (594.13 min) and a higher D-value (1,973.64 min). This indicates that immobilized FFase was stable at temperature commonly used in invert sugar production. The following thermodynamic parameters were obtained: activation energy (E*d = 301.57 kJ mol-1), enthalpy (298.76 ≤ ΔH*d ≤ 298.89 kJ mol-1), entropy (579.88 ≤ ΔS*d ≤ 589.27 J K-1 mol-1) and Gibbs free energy (100.29 ≤ ΔG*d ≤ 108.47 kJ mol-1). The high E*d, ΔH*d and ΔG*d values confirmed FFase thermostability. The high and positive values for ΔS*d indicate an increase in disorder due opening of the enzyme structure. The sucrose hydrolysis in PBR showed a maximum invert sugar yield (96.0%) at 15 min of operation. The hydrolysis process remained efficient up to 100 min (70.22%). The results obtained in the present study provide a good indication that immobilized FFase on chitosan beads in PBR is efficient to invert sugar production for food industry.
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Affiliation(s)
- Rodrigo Lira de Oliveira
- Northeast Biotechnology Network/RENORBIO, Federal Rural University of Pernambuco (UFRPE), Dom Manoel de Medeiros, Dois Irmãos, 52171-900 Recife, PE, Brazil
| | - Vinícius Luís Vilela Dos Santos
- Academic Unit of Garanhuns/UAG, Federal Rural University of Pernambuco (UFRPE), Av. Bom Pastor, Boa Vista, 55296-901 Garanhuns, PE, Brazil
| | - Marcos Fellipe da Silva
- Academic Unit of Garanhuns/UAG, Federal Rural University of Pernambuco (UFRPE), Av. Bom Pastor, Boa Vista, 55296-901 Garanhuns, PE, Brazil; Bioprocess and Metabolic Engineering Laboratory, Department Food Engineering, University of Campinas (UNICAMP), Cidade Universitária Zeferino Vaz, 80th Monteiro Lobato, 13.083-862, Campinas, São Paulo, Brazil
| | - Tatiana Souza Porto
- Northeast Biotechnology Network/RENORBIO, Federal Rural University of Pernambuco (UFRPE), Dom Manoel de Medeiros, Dois Irmãos, 52171-900 Recife, PE, Brazil; Academic Unit of Garanhuns/UAG, Federal Rural University of Pernambuco (UFRPE), Av. Bom Pastor, Boa Vista, 55296-901 Garanhuns, PE, Brazil.
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Fernandes LMG, Carneiro-da-Cunha MN, Silva JDC, Porto ALF, Porto TS. Purification and characterization of a novel Aspergillus heteromorphus URM 0269 protease extracted by aqueous two-phase systems PEG/citrate. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113957] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Oliveira RLD, Silva MFD, Silva SPD, Cavalcanti JVFL, Converti A, Porto TS. Immobilization of a commercial Aspergillus aculeatus enzyme preparation with fructosyltransferase activity in chitosan beads: A kinetic/thermodynamic study and fructo-oligosaccharides continuous production in enzymatic reactor. Food and Bioproducts Processing 2020. [DOI: 10.1016/j.fbp.2020.05.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Nascimento CO, Pedrosa Brandão Costa RM, Soares PA, Herculano PN, Porto TS, Nascimento TP, Lima CDA, Bezerra RP, Teixeira JA, Coelho LCBB, Dos Santos Correia MT, Carneiro-da-Cunha MDG, Porto ALF. Purification of a lectin from Cratylia mollis crude extract seed by a single step PEG/phosphate aqueous two-phase system. Prep Biochem Biotechnol 2020; 50:655-663. [PMID: 32068481 DOI: 10.1080/10826068.2020.1725771] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The partitioning and purification of lectins from the crude extract of Cratylia mollis seeds (Cramoll 1,4) was investigated in aqueous two-phase systems (ATPS). A factorial design model (24) was used to evaluate the influence of polyethylene glycol (PEG) molar mass (1500-8000 g/mol), PEG concentration (12.5-17.5% w/w), phosphate (10-15% w/w) concentration, and pH (6-8) on the differential partitioning, purification factor, and yield of the lectin. Polymer and salt concentration were the most important variables affecting partition of lectin and used to find optimum purification factor by experimental Box-Behnken design together with the response surface methodology (RSM). ATPS showed best conditions composed by 13.9% PEG1500, 15.3% phosphate buffer at pH 6, which ensured purification factor of 4.70. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis showed a single band of protein with 26.1 kDa. Furthermore, results demonstrated a thermostable lectin presenting activity until 60 °C and lost hemagglutinating activity at 80 °C. According to the obtained data it can be inferred that the ATPS optimization using RSM approach can be applied for recovery and purification of lectins.
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Affiliation(s)
| | | | - Paulo Antônio Soares
- Department of Biochemistry and Biophysics, Federal University of Pernambuco, Recife, Brazil
| | - Polyanna Nunes Herculano
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Recife, Brazil
| | - Tatiana Souza Porto
- Academic Unit of Garanhuns (UAG), Federal Rural University of Pernambuco (UFRPE), Garanhuns, Brazil
| | - Thiago Pajeú Nascimento
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Recife, Brazil
| | | | - Raquel Pedrosa Bezerra
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Recife, Brazil
| | - José Antônio Teixeira
- Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Braga, Portugal
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Amaral YMS, da Silva OS, de Oliveira RL, Porto TS. Production, extraction, and thermodynamics protease partitioning from Aspergillus tamarii Kita UCP1279 using PEG/sodium citrate aqueous two-phase systems. Prep Biochem Biotechnol 2020; 50:619-626. [DOI: 10.1080/10826068.2020.1721535] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
| | - Osmar Soares da Silva
- Laboratory of Basic Biology Teaching Azarias Salgado/LABAS, Reference High School Azarias Salgado, Angelim, PE, Brazil
| | - Rodrigo Lira de Oliveira
- Northeast Biotechnology Network/RENORBIO, Federal Rural University of Pernambuco, Dom Manoel de Medeiros, PE, Brazil
| | - Tatiana Souza Porto
- Academic Unit of Garanhuns, Federal Rural University of Pernambuco, Garanhuns, PE, Brazil
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14
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Oliveira RL, Silva MF, Converti A, Porto TS. Biochemical characterization and kinetic/thermodynamic study of
Aspergillus tamarii
URM4634 β‐fructofuranosidase with transfructosylating activity. Biotechnol Prog 2019; 35:e2879. [DOI: 10.1002/btpr.2879] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 06/19/2019] [Accepted: 07/01/2019] [Indexed: 02/04/2023]
Affiliation(s)
- Rodrigo Lira Oliveira
- Northeast Biotechnology Network/RENORBIOFederal Rural University of Pernambuco (UFRPE) Recife Brazil
| | - Marcos Fellipe Silva
- Academic Unit of Garanhuns/UAGFederal Rural University of Pernambuco (UFRPE) Garanhuns Brazil
| | - Attilio Converti
- Department of Civil, Chemical and Environmental Engineering, Pole of Chemical EngineeringGenoa University Genoa Italy
| | - Tatiana Souza Porto
- Academic Unit of Garanhuns/UAGFederal Rural University of Pernambuco (UFRPE) Garanhuns Brazil
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Nascimento JCDS, Soares VM, Pereira LBSDB, Bioni Filho L, Andrade GPD, Costa HND, Alcantara SFD, Porto ALF, Porto TS. Produção de fitase por Aspergillus niger var. phoenicis URM 4924 utilizando planejamentos fatoriais. Pubvet 2019. [DOI: 10.31533/pubvet.v13n3a291.1-10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Silva OSD, Alves RO, Porto TS. PEG-sodium citrate aqueous two-phase systems to in situ recovery of protease from Aspergillus tamarii URM4634 by extractive fermentation. Biocatalysis and Agricultural Biotechnology 2018. [DOI: 10.1016/j.bcab.2018.08.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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de Oliveira RL, da Silva OS, Converti A, Porto TS. Thermodynamic and kinetic studies on pectinase extracted from Aspergillus aculeatus: Free and immobilized enzyme entrapped in alginate beads. Int J Biol Macromol 2018; 115:1088-1093. [DOI: 10.1016/j.ijbiomac.2018.04.154] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 04/14/2018] [Accepted: 04/28/2018] [Indexed: 01/30/2023]
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Silva JDC, de França PRL, Porto TS. Optimized extraction of polygalacturonase from Aspergillus aculeatus URM4953 by aqueous two-phase systems PEG/Citrate. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.04.112] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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da Silva OS, de Almeida EM, de Melo AHF, Porto TS. Purification and characterization of a novel extracellular serine-protease with collagenolytic activity from Aspergillus tamarii URM4634. Int J Biol Macromol 2018; 117:1081-1088. [PMID: 29870814 DOI: 10.1016/j.ijbiomac.2018.06.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 05/31/2018] [Accepted: 06/01/2018] [Indexed: 11/25/2022]
Abstract
An extracellular serine-protease from Aspergillus tamarii URM4634 was purified and characterized. The possibility of using Aspergillus tamarii URM4634 protease in detergent formulations and collagenolytic activity was investigated. The protease demonstrated excellent stability at pH range 7.0-11.0, the optimum being at pH 9.0. The enzyme was stable at 40 °C for 180 min, enhanced by Mg++ and Ca++, but inhibited by Zn++, and strongly inhibited by phenylmethylsulfonyl fluoride (PMSF), suggested as serine-protease. The azocasein substrate result showed Km = 0.434 mg/mL and Vmax = 7.739 mg/mL/min. SDS-PAGE and azocasein zymography showed that the purified alkaline protease (2983.8 U/mg) had a molecular mass of 49.3 kDa. The enzyme was purified by column chromatography using Sephadex A50 resin. The proteolytic activity was activated by SDS (sodium dodecyl sulfate), Tween-80, Tween 20 and Triton-100. This study demonstrated that A. tamarii URM4634 protease has potent, stable and compatible collagenolytic activity to the desired level in local laundry detergent brands compared with similar enzymes produced by solid-state fermentation. This protease can thus be chosen as an option in both the food industry to tenderization meat and the detergent industry to washing process.
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Affiliation(s)
- Osmar Soares da Silva
- Northeast Biotechnology Network/RENORBIO, Federal Rural University of Pernambuco/UFRPE, Dom Manoel de Medeiros, s/n, Dois Irmãos, 52171-900 Recife, PE, Brazil
| | - Elizane Melo de Almeida
- Academic Unit of Garanhuns/UAG, Federal Rural University of Pernambuco/UFRPE, Av. Bom Pastor, s/n, Boa Vista, 55296-901 Garanhuns, PE, Brazil
| | - Allan Henrique Félix de Melo
- Academic Unit of Garanhuns/UAG, Federal Rural University of Pernambuco/UFRPE, Av. Bom Pastor, s/n, Boa Vista, 55296-901 Garanhuns, PE, Brazil
| | - Tatiana Souza Porto
- Academic Unit of Garanhuns/UAG, Federal Rural University of Pernambuco/UFRPE, Av. Bom Pastor, s/n, Boa Vista, 55296-901 Garanhuns, PE, Brazil.
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de Oliveira RL, Dias JL, da Silva OS, Porto TS. Immobilization of pectinase from Aspergillus aculeatus in alginate beads and clarification of apple and umbu juices in a packed bed reactor. Food and Bioproducts Processing 2018. [DOI: 10.1016/j.fbp.2018.02.005] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Soares da Silva O, Lira de Oliveira R, de Carvalho Silva J, Converti A, Souza Porto T. Thermodynamic investigation of an alkaline protease from Aspergillus tamarii URM4634: A comparative approach between crude extract and purified enzyme. Int J Biol Macromol 2018; 109:1039-1044. [DOI: 10.1016/j.ijbiomac.2017.11.081] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 11/06/2017] [Accepted: 11/13/2017] [Indexed: 10/18/2022]
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da Silva OS, Gomes MHG, de Oliveira RL, Porto ALF, Converti A, Porto TS. Partitioning and extraction protease from Aspergillus tamarii URM4634 using PEG-citrate aqueous two-phase systems. Biocatalysis and Agricultural Biotechnology 2017. [DOI: 10.1016/j.bcab.2016.12.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Nascimento TP, Sales AE, Porto CS, Brandão RMP, de Campos-Takaki GM, Teixeira JAC, Porto TS, Porto ALF, Converti A. Purification of a fibrinolytic protease from Mucor subtilissimus UCP 1262 by aqueous two-phase systems (PEG/sulfate). J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1025:16-24. [DOI: 10.1016/j.jchromb.2016.04.046] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 04/13/2016] [Accepted: 04/29/2016] [Indexed: 11/24/2022]
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da Silva OS, de Oliveira RL, Souza-Motta CM, Porto ALF, Porto TS. Novel Protease from <i>Aspergillus tamarii</i> URM4634: Production and Characterization Using Inexpensive Agroindustrial Substrates by Solid-State Fermentation. ACTA ACUST UNITED AC 2016. [DOI: 10.4236/aer.2016.44012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Nascimento TP, Sales AE, Porto CS, Brandão RMP, Takaki GMC, Teixeira JAC, Porto TS, Porto ALF. Production and Characterization of New Fibrinolytic Protease from <i>Mucor subtillissimus</i> UCP 1262 in Solid-State Fermentation. ACTA ACUST UNITED AC 2015. [DOI: 10.4236/aer.2015.33009] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Salmon DNX, Walter A, Porto TS, Moreira KA, Vandenberghe LPDS, Soccol CR, Porto ALF, Spier MR. Aqueous two-phase extraction for partial purification ofSchizophyllum communephytase produced under solid-state fermentation. BIOCATAL BIOTRANSFOR 2014. [DOI: 10.3109/10242422.2013.872633] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Bezerra VS, Campos JF, Silva RAD, Porto TS, Lima Filho JLD, Porto ALF. Biotechnological richness of the northeastern semi-arid region: antioxidant activity of casein hydrolysates from Moxotó goat milk (Capra hircus Linnaeus, 1758) obtained by papain action. Food Sci Technol 2013. [DOI: 10.1590/s0101-20612013005000074] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Vilma Sobral Bezerra
- Universidade Federal Rural de Pernambuco, Brasil; Universidade Federal de Pernambuco, Brasil
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Sales AE, de Souza FASD, Teixeira JA, Porto TS, Porto ALF. Integrated Process Production and Extraction of the Fibrinolytic Protease from Bacillus sp. UFPEDA 485. Appl Biochem Biotechnol 2013; 170:1676-88. [DOI: 10.1007/s12010-013-0306-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Accepted: 05/17/2013] [Indexed: 11/30/2022]
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Kirsch LDS, Pinto ACDS, Teixeira MFS, Porto TS, Porto ALF. Partition of proteases from Lentinus citrinus DPUA 1535 by the Peg/Phosphate Aqueous Two-Phase System. QUIM NOVA 2012. [DOI: 10.1590/s0100-40422012001000004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Kirsch LDS, Pinto ACDS, Porto TS, Porto ALF, Teixeira MFS. The influence of different submerged cultivation conditions on mycelial biomass and protease production by Lentinus citrinus Walleyn et Rammeloo DPUA 1535 (Agaricomycetideae). Int J Med Mushrooms 2011; 13:185-92. [PMID: 22135895 DOI: 10.1615/intjmedmushr.v13.i2.110] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The influence of different carbon and nitrogen sources, pH of the culture medium, and temperature and period of cultivation on mycelial biomass production and protease activity by Lentinus citrinus DPUA 1535 were investigated in submerged culture. A 2(5) full factorial design with three central points was employed, and the results showed that at a significance level of 95% only nitrogen source and temperature were statistically significant for mycelial biomass production. On the other hand, for protease activity all factors and some interactions were significant, and the temperature and nitrogen source had the most significant effect. The best condition for mycelial biomass production (5.76 mg mL(-1)) and protease activity (32.3 U mL(-1)) was obtained in medium formulated with 0.5% soluble starch, 0.2% gelatin, pH 7.0, 25 degrees C, in 5 days.
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Herculano PN, Porto TS, Moreira KA, Pinto GAS, Souza-Motta CM, Porto ALF. Cellulase production by Aspergillus japonicus URM5620 using waste from castor bean (Ricinus communis L.) under solid-state fermentation. Appl Biochem Biotechnol 2011; 165:1057-67. [PMID: 21779793 DOI: 10.1007/s12010-011-9321-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Accepted: 06/28/2011] [Indexed: 10/18/2022]
Abstract
The activity of β-glucosidase (βG), total cellulase (FPase) and endoglucanase (CMCase), produced by Aspergillus japonicus URM5620, was studied on solid-state fermentation using castor bean meal as substrate. The effect of the substrate amount, initial moisture, pH, and temperature on cellulase production was studied using a full factorial design (2(4)). The maximum βG, FPase, and CMCase activity was 88.3, 953.4, and 191.6 U/g dry substrate, respectively. The best enzyme activities for all three enzymes were obtained at the same conditions with 5.0 g of substrate, initial moisture 15% at 25 °C and pH 6.0 with 120 h of fermentation. The optimum activity for FPase and CMCase was found at pH 3.0 at an optimum temperature of 50 °C for FPase and of 55 °C for CMCase. The cellulases were stable in the range of pH 3.0-10.0 at 50 °C temperature. The enzyme production optimization demonstrated clearly the impact of the process parameters on the yield of the cellulolytic enzymes.
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Affiliation(s)
- Polyanna Nunes Herculano
- Mycology Department, Federal University of Pernambuco, Cidade Universitária, CEP 50670-420 Recife, Pernambuco, Brazil
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Porto TS, Pessôa-Filho PA, Neto BB, Filho JLL, Converti A, Porto ALF, Pessoa A. Removal of proteases from Clostridium perfringens fermented broth by aqueous two-phase systems (PEG/citrate). J Ind Microbiol Biotechnol 2007; 34:547-52. [PMID: 17566805 DOI: 10.1007/s10295-007-0230-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2006] [Accepted: 05/16/2007] [Indexed: 10/23/2022]
Abstract
In order to reduce the toxicity of Clostridium perfringens fermentation broths used in vaccine preparation, we developed two-phase aqueous systems for removal of toxin-activating proteases. Removal of the proteases inhibits the conversion of protoxin to active toxin. In order to establish the conditions under which the phase separation occurs, binodal curves, formed by poly(ethylene glycol) (PEG) and sodium citrate, were investigated at different values of pH and PEG molar mass. A 2(4)-experimental design was used to evaluate the influence of PEG molar mass and concentration, citrate concentration and pH on protease partition coefficient, removal.factor and protease removal yield. It has been found that simultaneous increase in PEG molar mass and decrease in citrate concentration remarkably improved the removal factor, whereas the protease removal yield showed an opposite trend. The best conditions for the system under consideration (removal factor of 2.69 and yield of 116%) were obtained at pH 8.0 using PEG molar mass of 8000 g mol(-1) and concentrations of PEG and citrate of 24 and 15%, respectively.
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Affiliation(s)
- Tatiana Souza Porto
- Department of Biochemical and Pharmaceutical Technology, University of São Paulo, 05508-000 Sio Paulo, SP, Brazil.
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Cavalcanti MTH, Porto TS, de Barros Neto B, Lima-Filho JL, Porto ALF, Pessoa A. Aqueous two-phase systems extraction of α-toxin from Clostridium perfringens type A. J Chromatogr B Analyt Technol Biomed Life Sci 2006; 833:135-40. [PMID: 16513438 DOI: 10.1016/j.jchromb.2006.01.023] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2005] [Revised: 01/10/2006] [Accepted: 01/17/2006] [Indexed: 11/19/2022]
Abstract
Two sequential half-fraction designs were applied to studying the alpha-toxin partition produced by Clostridium perfringens type A in aqueous two phase systems (ATPS), as a function of four factors: PEG molar mass and concentration, phosphate concentration and pH. The highest purification factor, yield and partition coefficient results were obtained with PEG 8000 (15%, w/w), phosphate at 20% (w/w) and pH 8.0. This system allows, in a single step, an alpha-toxin purification of 4.6-fold with final activity yield of 230% and partition coefficient of 113.9 in the PEG rich phase.
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Affiliation(s)
- Maria Taciana Holanda Cavalcanti
- Departament of Biochemical and Pharmaceutical Technology, University of São Paulo, Av. Prof. Lineu Prestes, 580, B.16. 05508-000, São Paulo, SP, Brazil
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