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de Albuquerque Lima Duarte C, da Silva MG, Porto ALF, de Albuquerque Wanderley MC, da Silva SSS, de Andrade AF, Bezerra RP, Converti A, Ramos DG, de Araújo Viana Marques D, de Albuquerque PBS. Application of the galactomannan gel from Cassia grandis seeds for biomedical purposes: Study of the incorporation of collagenases and their release profile. Carbohydr Polym 2024; 334:122061. [PMID: 38553245 DOI: 10.1016/j.carbpol.2024.122061] [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: 11/11/2023] [Revised: 03/04/2024] [Accepted: 03/13/2024] [Indexed: 04/02/2024]
Abstract
The galactomannan-based gel from Cassia grandis seeds was used to incorporate Penicillium sp. UCP 1286 and commercial collagenases. Experiments were carried out according to a 23-full factorial design to identify the most significant parameters for the incorporation process. The pH of the incorporation solution (pHi), stirring time (t), and initial protein concentration in the crude extract (PCi) were selected as the three independent variables, and the efficiency of collagenase incorporation (E) and collagenolytic activity (CA) after 360 min as the responses. pHi and PCi showed positive statistically significant effects on E, while CA was positively influenced by pHi and t, but negatively by PCi. The fungi collagenase was released from the gel following a pseudo-Fickian behavior. Additionally, no <76 % of collagenase was efficiently incorporated into the gel retaining a high CA (32.5-69.8 U/mL). The obtained results for the commercial collagenase (E = 93.88 %, CA = 65.8 U/mL, and n = 0.10) demonstrated a pseudo-Fickian behavior similar to the fungi-collagenase. The results confirm the biotechnological potential of the gel as an efficient matrix for the incorporation of catalytic compounds; additionally, the incorporation of collagenases was achieved by retaining the proteases CA and releasing them in a controlled manner.
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Affiliation(s)
- Carolina de Albuquerque Lima Duarte
- Multiuser Biotechnology Laboratory of the Pernambuco Sertão, University of Pernambuco-UPE, Campus Arcoverde, Cícero Monteiro de Melo, 56503-146 Arcoverde, PE, Brazil; Biotechnology and Therapeutic Innovation Laboratory, University of Pernambuco-UPE, Campus Garanhuns, Rua Capitão Pedro Rodrigues, 55294-310 Garanhuns, PE, Brazil
| | - Mateus Gonçalves da Silva
- Biotechnology and Therapeutic Innovation Laboratory, University of Pernambuco-UPE, Campus Garanhuns, Rua Capitão Pedro Rodrigues, 55294-310 Garanhuns, PE, Brazil
| | - Ana Lúcia Figueiredo Porto
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Dom Manuel de Medeiros, 52171-900 Recife, PE, Brazil
| | | | - Sabrina Swan Souza da Silva
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Dom Manuel de Medeiros, 52171-900 Recife, PE, Brazil
| | - Alexsandra Frazão de Andrade
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Dom Manuel de Medeiros, 52171-900 Recife, PE, Brazil
| | - Raquel Pedrosa Bezerra
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Dom Manuel de Medeiros, 52171-900 Recife, PE, Brazil
| | - Attilio Converti
- Department of Civil, Chemical and Environmental Engineering, Pole of Chemical Engineering, via Opera Pia 15, I-16145 Genoa, Italy
| | - Diego Gomes Ramos
- Multiuser Biotechnology Laboratory of the Pernambuco Sertão, University of Pernambuco-UPE, Campus Arcoverde, Cícero Monteiro de Melo, 56503-146 Arcoverde, PE, Brazil; Integrated Laboratory of Applied Biotechnology, Biological Science Institute, University of Pernambuco (UPE), Rua Arnóbio Marques, 50100-130 Recife, PE, Brazil
| | - Daniela de Araújo Viana Marques
- Integrated Laboratory of Applied Biotechnology, Biological Science Institute, University of Pernambuco (UPE), Rua Arnóbio Marques, 50100-130 Recife, PE, Brazil
| | - Priscilla Barbosa Sales de Albuquerque
- Biological Science Institute, University of Pernambuco (UPE), Rua Arnóbio Marques, 50100-130 Recife, PE, Brazil; Laboratory of Bioprospecting and Applied Ethnopharmacotoxicology (LABEA), University of Pernambuco-UPE, Campus Garanhuns, Rua Capitão Pedro Rodrigues, 55294-310 Garanhuns, PE, Brazil.
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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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da Silva Júnior JN, Oliveira KKDS, Silva ACD, Lorena VMBD, Marques DDAV, Bezerra RP, Porto ALF. Microalgae extracts modulates the immune response in Trypanosoma cruzi-infected human cells. Cytokine 2024; 179:156621. [PMID: 38648682 DOI: 10.1016/j.cyto.2024.156621] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 04/09/2024] [Accepted: 04/16/2024] [Indexed: 04/25/2024]
Abstract
Chagas disease (CD) is caused by the hemoflagellate protozoan Trypanosoma cruzi. The control of the infection depends of the innate and acquired immune response of host. Moreover, CD plays a significant role in the immune response, and, in this context, microalgae can be an interesting alternative due to its immunomodulatory and trypanocidal effects. This study aimed to evaluate, in vitro, immunomodulatory potentials of the aqueous extracts of Chlorella vulgaris and Tetradesmus obliquus. Both microalgae extracts (ME) were obtained by sonication, and the selectivity index (SI) was determined by assays of inhibitory concentration (IC50) in T. cruzi trypomastigotes cells; as well as the cytotoxic concentrations (CC50) in human peripheral mononuclear cells (PBMC). The immune response was evaluated in T. cruzi-infected PBMC using the IC50 value. ME led to inhibition of T. cruzi trypomastigotes after 24 h of treatment, in which the IC50 values were 112.1 µg/ml to C. vulgaris and 15.8 µg ml-1 to T. obliquus. On the other hand, C. vulgaris did not affect the viability of PBMCs in concentrations up to 1000 µg ml-1, while T. obliquus was non-toxic to PBMCs in concentrations up to 253.44 µg ml-1. In addition, T. obliquus displayed a higher SI against T. cruzi (SI = 16.8), when compared with C. vulgaris (SI = 8.9). C. vulgaris decreased the levels of IFN, indicating a reduction of the inflammatory process; while T. obliquus displayed an interesting immunomodulatory effect, since discretely increased the levels of TNF and stimulated the production of the anti-inflammatory cytokine IL-10. This study confirms that ME are effective against T. cruzi trypomastigotes, and may able to control the parasitemia and preventing the progress of CD while regulating the inflammatory process.
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Affiliation(s)
| | | | - Ana Carla da Silva
- Laboratório de Imunoparasitologia, Departamento de Imunologia, Fundação Oswaldo Cruz, Instituto Aggeu Magalhães, Recife, Brazil
| | - Virginia Maria Barros de Lorena
- Laboratório de Imunoparasitologia, Departamento de Imunologia, Fundação Oswaldo Cruz, Instituto Aggeu Magalhães, Recife, Brazil
| | | | - Raquel Pedrosa Bezerra
- Laboratório de Tecnologia de Bioativos, Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Recife, Brazil.
| | - Ana Lúcia Figueiredo Porto
- Instituto Keizo Asami (iLIKA), Universidade Federal de Pernambuco, Recife, Brazil; Laboratório de Tecnologia de Bioativos, Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Recife, Brazil
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Costa EP, Brandão-Costa RMP, Albuquerque WWC, Nascimento TP, Sales Conniff AE, Cardoso KBB, Neves AGD, Batista JMDS, Porto ALF. Extracellular collagenase isolated from Streptomyces antibioticus UFPEDA 3421: purification and biochemical characterization. Prep Biochem Biotechnol 2024; 54:260-271. [PMID: 37355277 DOI: 10.1080/10826068.2023.2225090] [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: 06/26/2023]
Abstract
Collagenases are proteases able to degrade native and denatured collagen, with broad applications such as leather, food, and pharmaceutical industries. The aim of this research was to purify and characterize a collagenase from Streptomyces antibioticus. In the present work, the coffee ground substrate provided conditions to obtaining high collagenase activity (377.5 U/mL) using anion-exchange DEAE-Sephadex G50 chromatographic protocol. SDS-PAGE revealed the metallo-collagenase with a single band of 41.28 kDa and was able to hydrolyzed type I and type V collagen producing bioactive peptides that delayed the coagulation time. The enzyme activity showed stability across a range of pH (6.0-11) and temperature (30-55 °C) with optima at pH 7.0 and 60 °C, respectively. Activators include Mg+2, Ca+2, Na+, K+, while full inhibition was given by other tested metalloproteinase inhibitors. Kinetic parameters (Km of 27.14 mg/mol, Vmax of 714.29 mg/mol/min, Kcat of 79.9 s-1 and Kcat/Km of 2.95 mL/mg/s) and thermodynamic parameters (Ea of 65.224 kJ/mol, ΔH of 62.75 kJ/mol, ΔS of 1.96 J/mol, ΔG of 62.16 kJ/mol, ΔGE-S of 8.18 kJ/mol and ΔGE-T of -2.64 kJ/mol) were also defined. Coffee grounds showed to be an interesting source to obtaining a collagenase able to produce bioactive peptides with anticoagulant activity.
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Affiliation(s)
- Elizianne Pereira Costa
- Department of Animal Morphology and Physiology, Rural Federal University of Pernambuco, Recife, PE, Brazil
- Center of Biological Sciences, Federal University of Pernambuco, Recife, PE, Brazil
| | | | | | | | | | | | | | | | - Ana Lúcia Figueiredo Porto
- Department of Animal Morphology and Physiology, Rural Federal University of Pernambuco, Recife, PE, Brazil
- Center of Biological Sciences, Federal University of Pernambuco, Recife, PE, Brazil
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Rangel AHDN, Bezerra DAFVDA, Sales DC, Araújo EDOM, Lucena LMD, Porto ALF, Véras ÍVUM, Lacerda AF, Ribeiro CVDM, Anaya K. An Overview of the Occurrence of Bioactive Peptides in Different Types of Cheeses. Foods 2023; 12:4261. [PMID: 38231707 DOI: 10.3390/foods12234261] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/25/2023] [Accepted: 10/05/2023] [Indexed: 01/19/2024] Open
Abstract
The search for improvements in quality of life has increasingly involved changes in the diet, especially the consumption of foods which, in addition to having good nutritional value, are characterized by offering health benefits. Among the molecules that trigger several beneficial responses are peptides, which are specific fragments of proteins known to produce positive effects on the human body. This review aimed to discuss the bioactive potential of peptides from cheeses. Studies show that the protein composition of some cheese varieties exhibits a potential for the release of bioactive peptides. The production of these peptides can be promoted by some technological procedures that affect the milk structure and constituents. The cheese maturation process stands out for producing bioactive peptides due to the action of enzymes produced by lactic acid bacteria. Thus, in addition to being proteins with high biological value due to their excellent amino acid profile, peptides from some types of cheeses are endowed with functional properties such as anti-hypertensive, antimicrobial, antioxidant, anticarcinogenic, opioid, and zinc-binding activities.
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Affiliation(s)
| | | | - Danielle Cavalcanti Sales
- Academic Unit Specialized in Agricultural, Federal University of Rio Grande do Norte (UFRN), Macaiba 59280000, Brazil
| | | | - Luis Medeiros de Lucena
- Academic Unit Specialized in Agricultural, Federal University of Rio Grande do Norte (UFRN), Macaiba 59280000, Brazil
| | - Ana Lúcia Figueiredo Porto
- Morfology and Animal Fisiology Departament, Rural Federal University of Pernambuco (UFRPE), Recife 55292901, Brazil
| | | | - Ariane Ferreira Lacerda
- Federal Institute of Education, Science and Technology (IFRN), Currais Novos 59380000, Brazil
| | | | - Katya Anaya
- Faculty of Health Sciences of Trairi, Federal University of Rio Grande do Norte (UFRN), Santa Cruz 59200000, Brazil
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Júnior JNDS, da Silva AC, Oliveira KKDS, Moreira LR, Caires SDFFDS, da Silva AJ, Moura YAS, Marques DDAV, Bezerra RP, de Lorena VMB, Porto ALF. Green microalgae as a potential source of trypanocide compounds. Nat Prod Res 2023:1-7. [PMID: 36661179 DOI: 10.1080/14786419.2023.2169688] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 02/09/2022] [Revised: 12/16/2022] [Accepted: 01/04/2023] [Indexed: 01/21/2023]
Abstract
Due to the limitations of Chagas disease therapy, microalgae can be promising in the search of new trypanocidal compounds, since these organisms produce bioactive compounds with large pharmaceutical applications, including antiparasitic effects. In this work, trypanocidal activity of aqueous extract of Tetradesmus obliquus and, for the first time, aqueous extract of Chlorella vulgaris, were evaluated against trypomastigote forms of Trypanosoma cruzi. In addition, cytotoxic activity in Vero cells was evaluated. Our results showed that C. vulgaris and T. obliquus present trypanocidal activity (IC50 = 32.9 µg ml-1 and 36.4 µg ml-1, respectively), however, C. vulgaris did not present cytotoxic effects in Vero cells (CC50 > 600 µg ml-1) and displayed a higher selectivity against trypomastigotes forms of T. cruzi (SI > 18). Thus, microalgae extracts, such as aqueous extract of C. vulgaris, are promising potential candidates for the development of natural antichagasic drugs.
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Affiliation(s)
| | - Ana Carla da Silva
- Laboratório de Imunoparasitologia, Departamento de Imunologia, Fundação Oswaldo Cruz, Insituto Aggeu Magalhães, Recife, Brazil
| | | | - Leyllane Rafael Moreira
- Laboratório de Imunoparasitologia, Departamento de Imunologia, Fundação Oswaldo Cruz, Insituto Aggeu Magalhães, Recife, Brazil
| | | | - Aldeni José da Silva
- Laboratório de Tecnologia de Bioativos, Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Recife, Brazil
| | | | - Daniela de Araújo Viana Marques
- Laboratório de Biotecnologia Aplicada a Doenças Infecto-Parasitárias, Instituto de Ciências Biológicas, Universidade de Pernambuco, Recife, Brazil
| | - Raquel Pedrosa Bezerra
- Laboratório de Tecnologia de Bioativos, Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Recife, Brazil
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de Arruda MCS, da Silva MROB, Cavalcanti VLR, Brandao RMPC, de Araújo Viana Marques D, de Lima LRA, Porto ALF, Bezerra RP. Antitumor lectins from algae: A systematic review. ALGAL RES 2023. [DOI: 10.1016/j.algal.2022.102962] [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: 01/12/2023]
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Couto MTTD, Silva AVD, Sobral RVDS, Rodrigues CH, Cunha MNCD, Leite ACL, Figueiredo MDVB, de Paula Oliveira J, Costa RMPB, Conniff AES, Porto ALF, Nascimento TP. Production, extraction and characterization of a serine protease with fibrinolytic, fibrinogenolytic and thrombolytic activity obtained by Paenibacillus graminis. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.05.005] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Silva DFD, de Souza EP, Porto ALF, Silva ABD, Simas Teixeira MF, Duarte Neto JMW, Converti A, Marques DDAV, Lima Duarte CDA. First report of collagenase production by Trichosporon sp. strain isolated from pollen of Amazonian bee ( Melipona seminigra seminigra). Prep Biochem Biotechnol 2022; 52:1069-1077. [PMID: 35130473 DOI: 10.1080/10826068.2022.2028637] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Trichosporon yeasts are widely employed to produce lipids, lipases, and aspartic peptidases, but there are no previous studies on collagenase production. This work aimed to select the best collagenase producing Amazonian Trichosporon strains. Moreover, a 23-full factorial design (FFD) and a 22-central composite design combined with Response Surface Methodology were applied to optimize production and find the best conditions for hydrolysis of type I bovine collagen. Most of the studied strains had some collagenolytic activity, but the selected one achieved the highest value (44.02 U) and a biomass concentration of 2.31 g/L. The best collagenase production conditions were 160 rpm of agitation, pH 5.5 and a substrate concentration of 4.0 g/L. The former experimental design showed that substrate concentration was the only statistically significant factor on both biomass concentration and collagenase activity, while the latter showed simultaneous effects of substrate concentration and pH on collagenolytic activity, which peaked at pH 5.5-6.4 and substrate concentration of 3.0-3.4 g/L. An additional 2³-FFD was finally used to optimize the conditions collagen hydrolysis, and pH 6, 25 °C and a substrate concentration of 7.5 (g/L) ensured the highest hydrolysis degree. This study is the first that describes optimized conditions of collagenase production by Trichosporon strains.
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Affiliation(s)
- Douglas Ferreira da Silva
- Biotechnology and Therapeutic Innovation Laboratory, University of Pernambuco-UPE, Campus Garanhuns, Garanhuns, Brazil
| | - Emerson Pequeno de Souza
- Biotechnology and Therapeutic Innovation Laboratory, University of Pernambuco-UPE, Campus Garanhuns, Garanhuns, Brazil
| | - Ana Lúcia Figueiredo Porto
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Recife, Brazil
| | | | | | | | - Attilio Converti
- Department of Civil, Chemical and Environmental Engineering, Pole of Chemical Engineering, Genoa, Italy
| | - Daniela de Araújo Viana Marques
- Laboratory of Biotechnology Applied to Infectious and Parasitic Diseases, Biological Science Institute, University of Pernambuco (UPE), Recife, Brazil
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Marques da Silva M, Wanderley Duarte Neto JM, Barros Regueira BV, Torres do Couto MT, Vitória da Silva Sobral R, Sales Conniff AE, Pedrosa Brandão Costa RM, Cajubá de Britto Lira Nogueira M, Pereira da Silva Santos N, Pastrana L, Lima Leite AC, Converti A, Nascimento TP, Figueiredo Porto AL. Immobilization of fibrinolytic protease from Mucor subtilissimus UCP 1262 in magnetic nanoparticles. Protein Expr Purif 2022; 192:106044. [PMID: 34998976 DOI: 10.1016/j.pep.2022.106044] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 11/15/2021] [Accepted: 01/03/2022] [Indexed: 11/28/2022]
Abstract
This work reports the immobilization of a fibrinolytic protease (FP) from Mucor subtilissimus UCP 1262 on Fe3O4 magnetic nanoparticles (MNPs) produced by precipitation of FeCl3·6H2O and FeCl2·4H2O, coated with polyaniline and activated with glutaraldehyde. The FP was obtained by solid state fermentation, precipitated with 40-60% ammonium sulfate, and purified by DEAE-Sephadex A50 ion exchange chromatography. The FP immobilization procedure allowed for an enzyme retention of 52.13%. The fibrinolytic protease immobilized on magnetic nanoparticles (MNPs/FP) maintained more than 60% of activity at a temperature of 40 to 60 °C and at pH 7 to 10, when compared to the non-immobilized enzyme. MNPs and MNPs/FP did not show any cytotoxicity against HEK-293 and J774A.1 cells. MNPs/FP was not hemolytic and reduced the hemolysis induced by MNPs from 2.07% to 1.37%. Thrombus degradation by MNPs/FP demonstrated that the immobilization process guaranteed the thrombolytic activity of the enzyme. MNPs/FP showed a total degradation of the γ chain of human fibrinogen within 90 min. These results suggest that MNPs/FP may be used as an alternative strategy to treat cardiovascular diseases with a targeted release through an external magnetic field.
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Affiliation(s)
- Marllyn Marques da Silva
- Laboratory of Nanotechnology, Biotechnology and Cell Culture, Academic Center of Vitória, Federal University of Pernambuco, 55608-680, Vitória de Santo Antão, Pernambuco, Brazil
| | - José Manoel Wanderley Duarte Neto
- Laboratory of Bioactive Technology, Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Rua Dom Manoel de Medeiros, s/n, Dois Irmãos, 52171-900, Recife, Pernambuco, Brazil
| | - Bruno Vinícius Barros Regueira
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil
| | - Milena Tereza Torres do Couto
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil
| | - Renata Vitória da Silva Sobral
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil
| | - Amanda Emmanuelle Sales Conniff
- Department of Molecular Medicine- College of Medicine, University of South Florida, Bruce B. Downs Blvd, MDC 3518, 12901, Tampa, FL, United States
| | - Romero Marcos Pedrosa Brandão Costa
- Laboratory of Advances in Protein Biotechnology (LABIOPROT), Institute of Biological Sciences, University of Pernambuco, Rua Arnóbio Marquês, 310 - Santo Amaro, Recife - PE, 50100-130, Recife, Pernambuco, Brazil
| | - Mariane Cajubá de Britto Lira Nogueira
- Laboratory of Nanotechnology, Biotechnology and Cell Culture, Academic Center of Vitória, Federal University of Pernambuco, 55608-680, Vitória de Santo Antão, Pernambuco, Brazil
| | - Noemia Pereira da Silva Santos
- Laboratory of Nanotechnology, Biotechnology and Cell Culture, Academic Center of Vitória, Federal University of Pernambuco, 55608-680, Vitória de Santo Antão, Pernambuco, Brazil
| | - Lorenzo Pastrana
- International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga, Braga, 4715-330, Portugal
| | - Ana Cristina Lima Leite
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil
| | - Attilio Converti
- Department of Civil, Chemical and Environmental Engineering, Pole of Chemical Engineering, University of Genoa, Via Opera Pia 15, I-16145 Genoa, Italy
| | - Thiago Pajeú Nascimento
- Laboratory of Bioactive Technology, Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Rua Dom Manoel de Medeiros, s/n, Dois Irmãos, 52171-900, Recife, Pernambuco, Brazil
| | - Ana Lúcia Figueiredo Porto
- Laboratory of Bioactive Technology, Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Rua Dom Manoel de Medeiros, s/n, Dois Irmãos, 52171-900, Recife, Pernambuco, Brazil.
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Moura YAS, da Silva Júnior JN, Lorena VMBD, Amorim APD, Porto ALF, Marques DDAV, Bezerra RP. Effects of algae bioactive compounds on Trypanosoma cruzi: A systematic review. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Duarte Neto JMW, Silva JDC, Sousa F, Gonçalves OSL, Wanderley MCDA, Sarmento B, Lima CDA, Neves-Petersen MT, Porto ALF. Structural and functional analysis of broad pH and thermal stable protease from Penicillium aurantiogriseum URM 4622. Prep Biochem Biotechnol 2021; 52:578-589. [PMID: 34533419 DOI: 10.1080/10826068.2021.1972429] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
This study aimed to better characterize a recently purified stable extracellular alkaline peptidase produced by Penicillium aurantiogriseum (URM 4622) through fluorescence spectroscopy, far-UV circular dichroism, kinetic and thermodynamic models to understand its' structure-activity and denaturation. Fluorescence data showed that changing pH leads to tryptophan residues exposure to more hydrophilic environments at optimum activity pH 9.0 and 10.0. When thermally treated, it displayed less unfolding at these pH values, along with 4-fold less photoproducts formation than at neutral pH. Different pH CD spectra showed more β-sheet (21.5-43.0%) than α-helix (1-6.2%). At pH9.0, more than 2-fold higher α-helix content than any other pH. The melting temperature (Tm) was observed between 50 and 60 °C at all pH studied, with lower Tm at pH 9.0-11.0 (54.9-50.3 °C). The protease displayed two phase transition, with two energies of denaturation, and a 4-fold higher thermal stability (ΔH°m) than reports for other microorganism's proteases. An irreversible folding transition occurs between 50 and 60 °C. It displayed energies of denaturation suggesting higher thermal stability than reported for other microorganism's proteases. These results help elucidating the applicability of this new stable protease.
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Affiliation(s)
| | | | - Flávia Sousa
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
| | | | | | - Bruno Sarmento
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
| | | | - Maria Teresa Neves-Petersen
- Department of Health Science and Technology, Aalborg University, Aalborg Ø, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Ana Lúcia Figueiredo Porto
- Keizo Asami Immunopathology Laboratory (LIKA), Federal University of Pernambuco (UFPE), Recife, PE, Brazil.,Department of Morphology and Physiology, Federal Rural University of Pernambuco, UFRPE, Recife, PE, Brasil
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13
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Nascimento JMD, Leão TEH, Nascimento TP, Conniff AS, Batista JMDS, Costa RMPB, Porto ALF, Leite ACL. Evaluation of the influence of temperature on the protein-tannic acid complex. Int J Biol Macromol 2021; 182:2056-2065. [PMID: 34087296 DOI: 10.1016/j.ijbiomac.2021.05.179] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/22/2021] [Accepted: 05/26/2021] [Indexed: 01/04/2023]
Abstract
Precipitation of blood products from plasma fractionation has played a fundamental role in the industrial purification of important therapeutic products. Only a few studies have been reported by using tannins as proteins precipitant agent from whole plasma while, several conditions have been analyzed. Here, we decided to verify the effect of the temperature on the precipitation process of plasma proteins using tannic acid (TA). Plasma proteins were precipitated with tannic acid by using different temperature incubations. Subsequently, the protein-TA complex was analyzed by SDS-PAGE and quantified. In addition, the protein activity of the complex was measured after heating, as well as the structural changes of the complexes were accompanied by thermogravimetric analysis, differential scanning calorimetry and circular dichroism. In all conditions tested, tannic acid was able to precipitate without selectively separating the proteins in the mixture by using different temperatures during the precipitation process. Furthermore, the protein concentration from the plasma precipitate was not affected by different temperatures and the plasma precipitate was able to dissolve fibrin clots in vitro.
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Affiliation(s)
- Jéssica Miranda do Nascimento
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420 Recife, Pernambuco, Brazil
| | - Talita Emanuely Henrique Leão
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420 Recife, Pernambuco, Brazil
| | - Thiago Pajeú Nascimento
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420 Recife, Pernambuco, Brazil; Laboratory of Bioactive Technology, Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, 52171-900 Recife, Pernambuco, Brazil
| | | | - Juanize Matias da Silva Batista
- Laboratory of Bioactive Technology, Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, 52171-900 Recife, Pernambuco, Brazil
| | - Romero Marcos Pedrosa Brandão Costa
- Laboratory of Advances in Protein Biotechnology (LABIOPROT), Institute of Biological Sciences, University of Pernambuco, Rua Arnóbio Marquês, 310 - Santo Amaro, Recife - PE, 50100-130 Recife, Pernambuco, Brazil
| | - Ana Lúcia Figueiredo Porto
- Laboratory of Bioactive Technology, Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, 52171-900 Recife, Pernambuco, Brazil
| | - Ana Cristina Lima Leite
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420 Recife, Pernambuco, Brazil.
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14
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Santos JVDO, Porto ALF, Cavalcanti IMF. Potential Application of Combined Therapy with Lectins as a Therapeutic Strategy for the Treatment of Bacterial Infections. Antibiotics (Basel) 2021; 10:antibiotics10050520. [PMID: 34063213 PMCID: PMC8147472 DOI: 10.3390/antibiotics10050520] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 04/26/2021] [Accepted: 04/30/2021] [Indexed: 12/18/2022] Open
Abstract
Antibiotic monotherapy may become obsolete mainly due to the continuous emergence of resistance to available antimicrobials, which represents a major uncertainty to human health. Taking into account that natural products have been an inexhaustible source of new compounds with clinical application, lectins are certainly one of the most versatile groups of proteins used in biological processes, emerging as a promising alternative for therapy. The ability of lectins to recognize carbohydrates present on the cell surface allowed for the discovery of a wide range of activities. Currently the number of antimicrobials in research and development does not match the rate at which resistance mechanisms emerge to an effective antibiotic monotherapy. A promising therapeutic alternative is the combined therapy of antibiotics with lectins to enhance its spectrum of action, minimize adverse effects, and reduce resistance to treatments. Thus, this review provides an update on the experimental application of antibiotic therapies based on the synergic combination with lectins to treat infections specifically caused by multidrug-resistant and biofilm-producing Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa. We also briefly discuss current strategies involving the modulation of the gut microbiota, its implications for antimicrobial resistance, and highlight the potential of lectins to modulate the host immune response against oxidative stress.
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Affiliation(s)
- João Victor de Oliveira Santos
- Laboratory of Immunopathology Keizo Asami (LIKA), Federal University of Pernambuco (UFPE), Recife 50670-901, Pernambuco, Brazil;
| | - Ana Lúcia Figueiredo Porto
- Department of Morphology and Animal Physiology Animal, Federal Rural University of Pernambuco (UFRPE), Recife 52171-900, Pernambuco, Brazil;
| | - Isabella Macário Ferro Cavalcanti
- Laboratory of Immunopathology Keizo Asami (LIKA), Federal University of Pernambuco (UFPE), Recife 50670-901, Pernambuco, Brazil;
- Academic Center of Vitória (CAV), Laboratory of Microbiology and Immunology, Federal University of Pernambuco (UFPE), Vitória de Santo Antão 55608-680, Pernambuco, Brazil
- Correspondence: ; Tel.: + 55-81-2101-2501
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15
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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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16
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da Silva TAF, de Freitas LS, da Silva LVJB, Duarte Neto JMW, da Silva GR, Maranhão LMDAC, de Lacerda CA, Oliveira JDP, Bezerra RP, Porto ALF. Effect of the volumetric oxygen mass transfer coefficient on producing δ-endotoxins by Bacillus thuringiensis in culture medium based on forage palm. Biocatalysis and Agricultural Biotechnology 2021. [DOI: 10.1016/j.bcab.2021.101960] [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: 11/15/2022]
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17
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Oliveira VDM, Assis CRD, Costa BDAM, Neri RCDA, Monte FTD, Freitas HMSDCV, França RCP, Santos JF, Bezerra RDS, Porto ALF. Physical, biochemical, densitometric and spectroscopic techniques for characterization collagen from alternative sources: A review based on the sustainable valorization of aquatic by-products. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129023] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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18
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Barros PDSD, Silva PECE, Nascimento TP, Costa RMPB, Bezerra RP, Porto ALF. Fibrinolytic enzyme from Arthrospira platensis cultivated in medium culture supplemented with corn steep liquor. Int J Biol Macromol 2020; 164:3446-3453. [DOI: 10.1016/j.ijbiomac.2020.08.217] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/27/2020] [Accepted: 08/28/2020] [Indexed: 11/26/2022]
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19
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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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20
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Paulo AJ, Wanderley MCDA, de Oliveira RJV, Vieira WADS, Alves LC, Viana Marques DDA, Converti A, Porto ALF. Production and partial purification by PEG/citrate ATPS of a β-galactosidase from the new promising isolate Cladosporium tenuissimum URM 7803. Prep Biochem Biotechnol 2020; 51:289-299. [PMID: 32907464 DOI: 10.1080/10826068.2020.1815054] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
β-Galactosidase production, partial purification and characterization by a new fungal were investigated. Partial purification was performed by aqueous two-phase system (ATPS) using polyethylene glycol (PEG) molar mass, PEG concentration, citrate concentration and pH as the independent variables. Purification factor (PF), partition coefficient (K) and yield (Y) were the responses. After identification by rDNA sequencing and classification as Cladosporium tenuissimum URM 7803, this isolate achieved a maximum cell concentration and β-galactosidase activity of 0.48 g/L and 462.1 U/mL, respectively. β-Galactosidase partitioned preferentially for bottom salt-rich phase likely due to hydrophobicity and volume exclusion effect caused in the top phase by the high PEG concentration and molar mass. The highest value of PF (12.94) was obtained using 24% (w/w) PEG 8000 g/mol and 15% (w/w) citrate, while that of Y (79.76%) using 20% (w/w) PEG 400 g/mol and 25% (w/w) citrate, both at pH 6. The enzyme exhibited optimum temperature in crude and ATPS extracts in the ranges 35-50 °C and 40-55 °C, respectively, and optimum pH in the range 3.0-4.5, with a fall of enzyme activity under alkaline conditions. Some metal ions and detergents inhibited, while others stimulated enzyme activity. Finally, C. tenuissimum URM 7803 β-galactosidase showed a profile suitable for prebiotics production.
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Affiliation(s)
- Anderson José Paulo
- Campus Tefé, Federal Institute of Education, Science and Technology of Amazon (IFAM), Tefé, Brazil
| | | | | | | | - Luiz Carlos Alves
- Institute Aggeu Magalhães-IAM/FIOCRUZ, Federal University of Pernambuco, Recife, Brazil
| | - Daniela de Araújo Viana Marques
- Laboratory of Biotechnology Applied to Infectious and Parasitic Diseases, Biological Science Institute, University of Pernambuco-ICB/UPE, Santo Amaro, Recife, Brazil
| | - Attilio Converti
- Department of Civil, Chemical and Environmental Engineering, Pole of Chemical Engineering, Genoa, Italy
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21
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Santos DDS, Calaça PRDA, Porto ALF, de Souza PRE, de Freitas NSA, Cavalcanti Vieira Soares MT. What Differentiates Probiotic from Pathogenic Bacteria? The Genetic Mobility of Enterococcus faecium Offers New Molecular Insights. OMICS 2020; 24:706-713. [PMID: 32762606 DOI: 10.1089/omi.2020.0078] [Citation(s) in RCA: 5] [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] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Enterococcus faecium is a lactic acid bacterium with applications in food engineering and nutrigenomics, including as starter cultures in fermented foods. To differentiate the E. faecium probiotic from pathogenic bacteria, physiological analyses are often used but they do not guarantee that a bacterial strain is not pathogenic. We report here new findings and an approach based on comparison of the genetic mobility of (1) probiotic, (2) pathogenic, and (3) nonpathogenic and non-probiotic strains, so as to differentiate probiotics, and inform their safe use. The region of the 16S ribosomal DNA (rDNA) genes of different E. faecium strains native to Pernambuco-Brazil was used with the GenBank query sequence. Complete genomes were selected and divided into three groups as noted above to identify the mobile genetic elements (MGEs) (transposase, integrase, conjugative transposon protein and phage) and antibiotic resistance genes (ARGs), and to undertake pan-genome analysis and multiple genome alignment. Differences in the number of MGEs were found in ARGs, in the presence and absence of the genes that differentiate E. faecium probiotics and pathogenic bacteria genetically. Our data suggest that genetic mobility appears to be informative in differentiating between probiotic and pathogenic strains. While the present findings are not necessarily applicable to all probiotics, they offer novel molecular insights to guide future research in nutrigenomics, clinical medicine, and food engineering on new ways to differentiate pathogenic from probiotic bacteria.
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Affiliation(s)
- Dayane da Silva Santos
- Research Support Center (CENAPESQ), Rural Federal University of Pernambuco, Recife, Brazil.,Biology Department, Rural Federal University of Pernambuco, Recife, Brazil
| | - Priscilla Régia de Andrade Calaça
- Research Support Center (CENAPESQ), Rural Federal University of Pernambuco, Recife, Brazil.,Department of Animal Morphology and Physiology, Rural Federal University of Pernambuco, Recife, Brazil
| | - Ana Lúcia Figueiredo Porto
- Research Support Center (CENAPESQ), Rural Federal University of Pernambuco, Recife, Brazil.,Department of Animal Morphology and Physiology, Rural Federal University of Pernambuco, Recife, Brazil
| | - Paulo Roberto Eleutério de Souza
- Biology Department, Rural Federal University of Pernambuco, Recife, Brazil.,Genetics, Biochemistry and Sequencing Laboratory, Tânia Falcão-Genoma, Recife, Brazil
| | | | - Maria Taciana Cavalcanti Vieira Soares
- Research Support Center (CENAPESQ), Rural Federal University of Pernambuco, Recife, Brazil.,Department of Animal Morphology and Physiology, Rural Federal University of Pernambuco, Recife, Brazil
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22
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de Melo Oliveira V, Carneiro da Cunha MN, Dias de Assis CR, Matias da Silva Batista J, Nascimento TP, dos Santos JF, de Albuquerque Lima C, de Araújo Viana Marques D, de Souza Bezerra R, Figueiredo Porto AL. Separation and partial purification of collagenolytic protease from peacock bass (Cichla ocellaris) using different protocol: Precipitation and partitioning approaches. Biocatalysis and Agricultural Biotechnology 2020. [DOI: 10.1016/j.bcab.2020.101509] [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: 10/25/2022]
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23
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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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24
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Torres MÉLM, Brandão-Costa RMP, Santos JVDO, Cavalcanti IMF, Silva MMD, Nascimento TP, Nascimento CDO, Porto ALF. DdeL, a novel thermostable lectin from Dypsis decaryi seeds: Biological properties. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.07.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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25
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Silva DDD, Lima MDSFD, Silva MFD, Silva GRD, Campos JF, Albuquerque WWC, Cavalcanti MTH, Porto ALF. Bioactive water-soluble peptides from fresh buffalo cheese may be used as product markers. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.03.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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26
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Santos DDS, Calaça PRDA, Porto ALF, Souza PRED, Cavalcanti MTH. CARACTERIZAÇÃO PARCIAL PROBIÓTICA E MOLECULAR DE BACTÉRIAS ÁCIDO LÁCTICAS ISOLADAS DE QUEIJO DE COALHO DA CIDADE DE ARCOVERDE – PERNAMBUCO. Iniciac cient Cesumar 2019. [DOI: 10.17765/1518-1243.2019v21n1p7-14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
O conhecimento da biodiversidade das cepas de bactérias ácido lácticas autóctones é muito importante para a produção de queijo de coalho com qualidade, pois as BAL atuam na inibição do crescimento de microrganismos indesejáveis por competição ou pela ação de proteínas antimicrobianas denominadas bacteriocinas por elas sintetizadas. Além dos efeitos probióticos apontados por pesquisas, com benefícios para a saúde humana. Por isso, esse trabalho teve por objetivo a caracterização parcial probiótica de bactérias ácido lácticas isoladas de queijo de coalho da cidade de Arcoverde – Pernambuco. As bactérias ácido lácticas utilizadas foram previamente isoladas do queijo de coalho da cidade de Arcoverde-PE e conservadas sob refrigeração no Centro de Apoio à pesquisa-Cenapesq. Foram usadas 11 cepas bacterianas diferentes para os testes. As BAL foram submetidas ao teste de resistência ao valor de pH baixo, resistência à presença de sais biliares, atividade antagonista e caracterização molecular, seguindo parâmetros da Agência Nacional de Vigilância Sanitária. Das 11 bactérias isoladas da cidade de Arcoverde-PE apenas duas foram eficientes para a maioria dos testes e identificadas como Enterococcus, demonstrando o seu potencial probiótico. Portanto, percebemos que bactérias isoladas do queijo de coalho pernambucano representam importante fonte de microrganismos benéficos para a tecnologia de alimentos e saúde humana e animal.
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Nobre C, do Nascimento AKC, Silva SP, Coelho E, Coimbra MA, Cavalcanti MTH, Teixeira JA, Porto ALF. Process development for the production of prebiotic fructo-oligosaccharides by penicillium citreonigrum. Bioresour Technol 2019; 282:464-474. [PMID: 30897484 DOI: 10.1016/j.biortech.2019.03.053] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/08/2019] [Accepted: 03/09/2019] [Indexed: 06/09/2023]
Abstract
A new isolated P. citreonigrum URM 4459 was selected to produce fructooligosaccharides (FOS) in an efficient, economical and fast one-step fermentation. Optimal culture conditions were stablished by experimental design. Experiments run in bioreactor resulted in a high yield, content, productivity and purity of FOS (0.65 ± 0.06 gFOS/ginitial Sucrose, 126.3 ± 0.1 g/L, 2.28 ± 0.08 g/L.h and 61 ± 0%). The FOS mixture was purified up to 92% (w/w) with an activated charcoal column. FOS produced were able to promote lactobacilli and bifidobacteria growth. Higher bacteria cell density was obtained for microbial-FOS mixtures than commercial Raftilose® P95. Some strains grew even faster in the FOS mixture produced than in all other carbon sources. FOS were resistant to the simulated gastrointestinal conditions. A high amount of a reducing trisaccharide was identified in the FOS produced mixture, possibly neokestose, which may explain the great prebiotic potential of the FOS.
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Affiliation(s)
- Clarisse Nobre
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - Ana Karoline Caitano do Nascimento
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Av. Dom Manoel de Medeiros, s/n, 52171-900 Recife, PE, Brazil
| | - Soraia Pires Silva
- QOPNA & LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Elisabete Coelho
- QOPNA & LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Manuel A Coimbra
- QOPNA & LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Maria Taciana Holanda Cavalcanti
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Av. Dom Manoel de Medeiros, s/n, 52171-900 Recife, PE, Brazil
| | - José António Teixeira
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - Ana Lúcia Figueiredo Porto
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Av. Dom Manoel de Medeiros, s/n, 52171-900 Recife, PE, Brazil
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Dias GMP, Silva ABD, Granja NMC, Silva TND, Lima GVM, Cavalcanti MTH, Porto ALF. Can Coalho cheese lactic microbiota be used in dairy fermentation to reduce foodborne pathogens? Sci Plena 2019. [DOI: 10.14808/sci.plena.2019.021501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In order to study the biodiversity of lactic acid bacteria (LAB) and evaluate their potential for use in dairy fermentation to inhibit foodborne pathogens, we collected two types of Coalho cheese made with raw milk from an artisanal production located in Venturosa, Agreste Region in the state of Pernambuco. From 480 isolates, 210 (Gram-positive; catalase-negative; able to clot skim milk) were identified as LAB and 78 were identified at genus level. The genera found were Enterococcus (37.1%), Streptococcus (25.6%), Lactococcus (19.2%) and Leuconostoc (15.3%). The technology potential showed that most of the LAB exhibited proteolytic activity (82.9%), diacetyl production (65.7%), grown in 3, 4 and 6.5% NaCl (more than 50%), and rapidly acidified milk (52.6%) due to the production of lactic acid. The antagonistic potential showed that most LAB inhibited the growth of Staphylococcus aureus ATCC 6538 (82.89%) and Escherichia coli ATCC 25922 (88.15%), and 72.36% of the LAB presented antimicrobial activity against the two indicators. Among the Enterococcus strains, most (more than 70%) were gama-hemolitic and none produced gelatinase. This study allowed for the selection of strains with promising potential for use in dairy fermentation that could reduce the contamination of milk and cheese by foodborne pathogens.
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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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da Silva MM, Rocha TA, de Moura DF, Chagas CA, de Aguiar Júnior FCA, da Silva Santos NP, Da Silva Sobral RV, do Nascimento JM, Lima Leite AC, Pastrana L, Costa RMPB, Nascimento TP, Porto ALF. Effect of acute exposure in swiss mice (Mus musculus) to a fibrinolytic protease produced by Mucor subtilissimus UCP 1262: An histomorphometric, genotoxic and cytological approach. Regul Toxicol Pharmacol 2019; 103:282-291. [PMID: 30790607 DOI: 10.1016/j.yrtph.2019.02.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [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: 11/20/2018] [Revised: 02/04/2019] [Accepted: 02/12/2019] [Indexed: 12/22/2022]
Abstract
The fibrinolytic enzyme produced by Mucor subtilissimus UCP 1262 was obtained by solid fermentation and purified by ion exchange chromatography using DEAE-Sephadex A50. The enzyme toxicity was evaluated using mammalian cell lineages: HEK-293, J774.A1, Sarcoma-180 and PBMCs which appeared to be viable at a level of 80%. The biochemical parameters of the mice treated with an acute dose of enzyme (2000 mg/mL) identified alterations of AST and ALT and the histomorphometric analysis of the liver showed a loss of endothelial cells (P < 0.001). However, these changes are considered minimal to affirm that there was a significant degree of hepatotoxicity. The comet assay and the micronucleus test did not identify damage in the DNA of the erythrocytes of the animals treated. The protease did not degrade the Aα and Bβ chains of human and bovine fibrinogens, thus indicating that it does not act as anticoagulant, but rather as a fibrinolytic agent. The assay performed to assess blood biocompatibility shows that at dose of 0.3-5 mg/mL the hemolytic grade is considered insignificant. Moreover, the enzyme did not prolong bleeding time in mice when dosed with 1 mg/kg. These results indicate that this enzyme produced is a potential competitor for developing novel antithrombotic drugs.
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Affiliation(s)
- Marllyn Marques da Silva
- Laboratory of Biotechnology and Pharmaceuticals, Academic Center of Vitoria, Federal University of Pernambuco, 55608-680, Vitória de Santo Antão, Pernambuco, Brazil.
| | - Tamiris Alves Rocha
- Laboratory of Natural Products, Department of Biochemistry, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil.
| | - Danielle Feijó de Moura
- Laboratory of Natural Products, Department of Biochemistry, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil.
| | - Cristiano Aparecido Chagas
- Laboratory of Biotechnology and Pharmaceuticals, Academic Center of Vitoria, Federal University of Pernambuco, 55608-680, Vitória de Santo Antão, Pernambuco, Brazil.
| | | | - Noêmia Pereira da Silva Santos
- Laboratory of Nanotechnology, Biotechnology and Cell Culture, Academic Center of Vitória, Federal University of Pernambuco, 55608-680, Vitória de Santo Antão, Pernambuco, Brazil.
| | - Renata Vitória Da Silva Sobral
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil.
| | - Jéssica Miranda do Nascimento
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil.
| | - Ana Cristina Lima Leite
- Laboratory of Research in Biotechnology and Hemoderivatives, Department of Pharmaceutical Sciences, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil.
| | - Lorenzo Pastrana
- International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga, Braga, 4715-330, Portugal.
| | - Romero Marcos Pedrosa Brandão Costa
- Laboratory of Bioactive Technology, Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Rua Dom Manoel de Medeiros, s / n, Dois Irmãos, 52171-900, Recife, Pernambuco, Brazil.
| | - Thiago Pajeú Nascimento
- Laboratory of Bioactive Technology, Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Rua Dom Manoel de Medeiros, s / n, Dois Irmãos, 52171-900, Recife, Pernambuco, Brazil.
| | - Ana Lúcia Figueiredo Porto
- Laboratory of Bioactive Technology, Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Rua Dom Manoel de Medeiros, s / n, Dois Irmãos, 52171-900, Recife, Pernambuco, Brazil.
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Oliveira VDM, Neri RCDA, Monte FTDD, Roberto NA, Costa HMS, Assis CRD, Santos JF, Bezerra RS, Porto ALF. Crosslink-free collagen from Cichla ocellaris: Structural characterization by FT-IR spectroscopy and densitometric evaluation. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.09.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Melo RGD, Andrade AFD, Bezerra RP, Correia DS, Souza VCD, Brasileiro-Vidal AC, Viana Marques DDA, Porto ALF. Chlorella vulgaris mixotrophic growth enhanced biomass productivity and reduced toxicity from agro-industrial by-products. Chemosphere 2018; 204:344-350. [PMID: 29674146 DOI: 10.1016/j.chemosphere.2018.04.039] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 03/05/2018] [Accepted: 04/07/2018] [Indexed: 05/28/2023]
Abstract
Algal wastewater remediation has become attractive for a couple of years now, however the effectiveness of genetic toxicity reducing of some by-products through microalgae are still not well reported. This study aimed to evaluate the growth, nutrients and toxicity removal of Chlorella vulgaris cultivated under autotrophic and mixotrophic conditions in three agro-industrial by-products. Mixotrophic culture using corn steep liquor showed higher cell concentration, specific growth rate, maximum cell productivity and biomass protein content when compared to cheese whey and vinasse. Nutrient removal results showed that C. vulgaris was able to completely remove corn steep liquor nutrients, while in cheese whey and vinasse culture this removal was not as efficient, observing remaining COD. This work evaluated for the first time the corn steep liquor and cheese whey genetic toxicity through Allium cepa seeds assay. These results demonstrate that corn steep liquor toxicity was totally eliminated by C. vulgaris cultivation, and cheese whey and vinasse toxicity were minimized. This study proves that the mixotrophic cultivation of C. vulgaris can increase cellular productivity, as well as it is a suitable and economic alternative to remove the toxicity from agroindustrial by-products.
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Affiliation(s)
- Rebeca Gonçalves de Melo
- Bioscience Center, Federal University of Pernambuco, Avenue Prof. Moraes Rego 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Alexsandra Frazão de Andrade
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, 52171-900 Recife, PE, Brazil
| | - Raquel Pedrosa Bezerra
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, 52171-900 Recife, PE, Brazil
| | - Dominick Spindola Correia
- Department of Genetics, Federal University of Pernambuco, Avenue Prof. Moraes Rego 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Vanessa Cristina de Souza
- Department of Genetics, Federal University of Pernambuco, Avenue Prof. Moraes Rego 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Ana Christina Brasileiro-Vidal
- Department of Genetics, Federal University of Pernambuco, Avenue Prof. Moraes Rego 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | | | - Ana Lúcia Figueiredo Porto
- Bioscience Center, Federal University of Pernambuco, Avenue Prof. Moraes Rego 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil; Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, 52171-900 Recife, PE, Brazil.
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Viana Marques DDA, Machado SEF, Ebinuma VCS, Duarte CDAL, Converti A, Porto ALF. Production of β-Lactamase Inhibitors by Streptomyces Species. Antibiotics (Basel) 2018; 7:E61. [PMID: 30018235 PMCID: PMC6163296 DOI: 10.3390/antibiotics7030061] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/07/2018] [Accepted: 07/12/2018] [Indexed: 12/11/2022] Open
Abstract
β-Lactamase inhibitors have emerged as an effective alternative to reduce the effects of resistance against β-lactam antibiotics. The Streptomyces genus is known for being an exceptional natural source of antimicrobials and β-lactamase inhibitors such as clavulanic acid, which is largely applied in clinical practice. To protect against the increasing prevalence of multidrug-resistant bacterial strains, new antibiotics and β-lactamase inhibitors need to be discovered and developed. This review will cover an update about the main β-lactamase inhibitors producers belonging to the Streptomyces genus; advanced methods, such as genetic and metabolic engineering, to enhance inhibitor production compared with wild-type strains; and fermentation and purification processes. Moreover, clinical practice and commercial issues are discussed. The commitment of companies and governments to develop innovative strategies and methods to improve the access to new, efficient, and potentially cost-effective microbial products to combat the antimicrobial resistance is also highlighted.
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Affiliation(s)
- Daniela de Araújo Viana Marques
- Campus Serra Talhada, University of Pernambuco, Avenida Custódio Conrado, 600, AABB, Serra Talhada, Pernambuco 56912-550, Brazil.
| | - Suellen Emilliany Feitosa Machado
- Department of Antibiotics, Federal University of Pernambuco, Avenida da Engenharia, 2° andar, Cidade Universitária, Recife, Pernambuco 50740-600, Brazil.
| | - Valéria Carvalho Santos Ebinuma
- Department of Bioprocesses and Biotechnology, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Rodovia Araraquara-Jaú/Km 01, Araraquara 14800-903, Brazil.
| | | | - Attilio Converti
- Department of Civil, Chemical and Environmental Engineering, Chemical Pole, University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy.
| | - Ana Lúcia Figueiredo Porto
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Av. Dom Manoel de Medeiros, Recife, Pernambuco 52171-900, Brazil.
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Silva PEDCE, Barros RCD, Albuquerque WWC, Brandão RMP, Bezerra RP, Porto ALF. In vitro thrombolytic activity of a purified fibrinolytic enzyme from Chlorella vulgaris. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1092:524-529. [PMID: 29910122 DOI: 10.1016/j.jchromb.2018.04.040] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [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: 01/24/2018] [Revised: 04/01/2018] [Accepted: 04/23/2018] [Indexed: 11/27/2022]
Abstract
A fibrinolytic enzyme was produced by microalga Chlorella vulgaris cultivated in autotrophic and mixotrophic conditions added corn steep liquor, purified by a single chromatographic step, then biochemical characterization and in vitro thrombolytic activity was performed. Maximum cell concentration (1637.45 ± 15 mg L-1) and productivity (181.93 mg L-1 day-1) was obtained in mixotrophic culture using 1% corn steep liquor. Enzyme-extracted microalgal biomass was purified by acetone precipitation and DEAE Sephadex anion exchange chromatography up to 2 fold with recovery of 4.0%. After purification, fibrinolytic activity was 1834.6 U mg-1 and 226.86 mm2 by spectrophotometry and fibrin plate assays, respectively. SDS-PAGE results exhibited a protein band of about 45 kDa and fibrinolytic band was detected by fibrin zymography. Enzyme activity was enhanced in the presence of Fe2+ and inhibited by phenylmethane sulfonyl fluoride (PMSF) and ethylenediamine tetracetic acid (EDTA), which suggest it to be a metal-dependent serine protease. The extract also showed a red blood cell lysis <4% and in vitro thrombolytic activity of 25.6% in 90 min of reaction. These results indicate that the fibrinolytic enzyme from C. vulgaris may have potential applications in the prevention and treatment of thrombosis.
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Affiliation(s)
- Páblo Eugênio da Costa E Silva
- Laboratory of Immunopathology Keizo Asami (LIKA), Federal University of Pernambuco-UFPE, Av. Prof. Moraes s/n, 50670-901 Recife, PE, Brazil
| | - Rafaela Cavalcante de Barros
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Av. Dom Manoel de Medeiros s/n, 52171-900 Recife, PE, Brazil
| | - Wendell Wagner Campos Albuquerque
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Av. Dom Manoel de Medeiros s/n, 52171-900 Recife, PE, Brazil
| | - Romero Marcos Pedrosa Brandão
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Av. Dom Manoel de Medeiros s/n, 52171-900 Recife, PE, Brazil
| | - Raquel Pedrosa Bezerra
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Av. Dom Manoel de Medeiros s/n, 52171-900 Recife, PE, Brazil
| | - Ana Lúcia Figueiredo Porto
- Laboratory of Immunopathology Keizo Asami (LIKA), Federal University of Pernambuco-UFPE, Av. Prof. Moraes s/n, 50670-901 Recife, PE, Brazil; Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco-UFRPE, Av. Dom Manoel de Medeiros s/n, 52171-900 Recife, PE, Brazil.
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Tavares Estevam AC, Alonso Buriti FC, de Oliveira TA, Pereira EVDS, Florentino ER, Porto ALF. Aqueous extract of Gracilaria birdiae (Plastino & Oliveira) as a texture modifier in fermented milks. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2017.12.052] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Duarte Neto JMW, Wanderley MCDA, Lima CDA, Porto ALF. Single step purification via magnetic nanoparticles of new broad pH active protease from Penicillium aurantiogriseum. Protein Expr Purif 2018; 147:22-28. [PMID: 29448066 DOI: 10.1016/j.pep.2018.01.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [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: 08/10/2017] [Revised: 01/31/2018] [Accepted: 01/31/2018] [Indexed: 11/19/2022]
Abstract
A new set of applications can be achieved when using high stability proteases. Industrially, high costs can be related to production medium and purification process. Magnetic nanoparticles have been successfully used for rapid and scalable purification. In this work, azocasein were immobilized on magnetite nanoparticles and applied in a single step purification of protease produced by Penicillium aurantiogriseum using soybean flour medium, and the new purified enzyme was characterized. Glutaraldehyde activated nanoparticles were used in azocasein immobilization and then incubated with dialyzed 60-80% saline precipitation fraction of crude extract for purification. Adsorbents were washed 7 times (0.1 M NaCl solution) and eluted 3 times (1 M NaCl solution), these final elutions contained the purified protease. This protease was purified 55.68-fold, retaining 46% of its original activity. Presented approximately 40 kDa on SDS-PAGE and optimum activity at 45 °C and pH 9.0. Maintained over 60% of activity from pH 6.0 to 11.0. Kept more than 50% activity from 15 to 55 °C, did not lose any activity over 48 h at 25 °C. Inhibitors assay suggested a serine protease with aspartic residues on its active site. Results report a successful application of an alternative purification method and novel broad pH tolerant protease.
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Affiliation(s)
- José Manoel Wanderley Duarte Neto
- Laboratorio de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco - UFPE, Av. Prof. Moraes Lins do Rego, s/n, 50670-901, Recife, PE, Brazil
| | - Maria Carolina de Albuquerque Wanderley
- Laboratorio de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco - UFPE, Av. Prof. Moraes Lins do Rego, s/n, 50670-901, Recife, PE, Brazil
| | - Carolina de Albuquerque Lima
- Faculdade de Ciência, Educação e Tecnologia de Garanhuns, Universidade de Pernambuco - UPE, Av. Capitão Pedro Rodrigues, n° 105, Garanhuns, PE, Brazil
| | - Ana Lúcia Figueiredo Porto
- Laboratorio de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco - UFPE, Av. Prof. Moraes Lins do Rego, s/n, 50670-901, Recife, PE, Brazil; Departmento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco - UFRPE, Av. Dom Manoel de Medeiros, s/n, 52171-900, Recife, PE, Brazil.
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Tavares Estevam AC, de Almeida MC, de Oliveira TA, Florentino ER, Alonso Buriti FC, Porto ALF. Comparison of dairy desserts produced with a potentially probiotic mixed culture and dispersions obtained from Gracilaria birdiae and Gracilaria domingensis seaweeds used as thickening agents. Food Funct 2018; 8:3075-3082. [PMID: 28745749 DOI: 10.1039/c7fo00776k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dairy desserts have emerged as interesting options for the incorporation of probiotics, bioactive ingredients and alternative sources of thickeners. This shows an opportunity to investigate the use of Gracilaria seaweeds in the formulation of potentially probiotic dairy desserts. This study aimed to compare the effects of dispersions obtained from Gracilaria domingensis and Gracilaria birdiae used as thickening agents on texture properties of dairy desserts fermented with SAB 440-A, composed of the starter Streptococcus thermophilus and the potential probiotics Bifidobacterium animalis and Lactobacillus acidophilus, and also to study their physicochemical characteristics, microbial viability and sensory acceptability. No significant differences between desserts with G. birdiae or G. domingensis dispersions regarding total solids, ash and fat content, as well as pH, titratable acidity, the viability of the microorganisms of the mixed culture and sensory acceptability were verified (P > 0.05). Nonetheless, the dessert with G. domingensis dispersion showed higher dietary fibre content and significantly increased firmness than the one produced with G. birdiae (P < 0.05). Moreover, B. animalis was able to maintain higher populations, above 7 log cfu g-1 during 21 days of storage of desserts, in the presence of either G. birdiae or G. domingensis dispersions, despite the fact that L. acidophilus has shown low viability in the final products. Therefore, the G. domingensis dispersion is suitable to be used as a thickening agent to produce dairy desserts with enhanced firmness and good sensory acceptability, it being also advisable to use only B. animalis as a probiotic for this product.
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Affiliation(s)
- Adriana Carneiro Tavares Estevam
- Keizo Asami Laboratory of Immunopathology, Federal University of Pernambuco, Av. Prof. Moraes Rego, 1235, 50670-901, Recife, PE, Brazil.
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Santos APP, Silva MDS, Costa EVL, Rufino RD, Santos VA, Ramos CS, Sarubbo LA, Porto ALF. Production and characterization of a biosurfactant produced by Streptomyces sp. DPUA 1559 isolated from lichens of the Amazon region. ACTA ACUST UNITED AC 2017; 51:e6657. [PMID: 29267499 PMCID: PMC5731328 DOI: 10.1590/1414-431x20176657] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 10/04/2017] [Indexed: 11/23/2022]
Abstract
Surfactants are amphipathic compounds containing both hydrophilic and hydrophobic groups, capable to lower the surface or interfacial tension. Considering the advantages of the use of biosurfactants produced by microorganisms, the aim of this paper was to develop and characterize a biosurfactant produced by Streptomyces sp. DPUA1559 isolated from lichens of the Amazon region. The microorganism was cultured in a mineral medium containing 1% residual frying soybean oil as the carbon source. The kinetics of biosurfactant production was accompanied by reducing the surface tension of the culture medium from 60 to values around 27.14 mN/m, and by the emulsification index, which showed the efficiency of the biosurfactant as an emulsifier of hydrophobic compounds. The yield of the isolated biosurfactant was 1.74 g/L, in addition to the excellent capability of reducing the surface tension (25.34 mN/m), as observed from the central composite rotational design when the biosurfactant was produced at pH 8.5 at 28°C. The critical micelle concentration of the biosurfactant was determined as 0.01 g/mL. The biosurfactant showed thermal and pH stability regarding the surface tension reduction, and tolerance under high salt concentrations. The isolated biosurfactant showed no toxicity to the micro-crustacean Artemia salina, and to the seeds of lettuce (Lactuca sativa L.) and cabbage (Brassica oleracea L.). The biochemistry characterization of the biosurfactant showed a single protein band, an acid character and a molecular weight around 14.3 kDa, suggesting its glycoproteic nature. The results are promising for the industrial application of this new biosurfactant.
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Affiliation(s)
- A P P Santos
- Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Recife, PE, Brasil
| | - M D S Silva
- Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Recife, PE, Brasil
| | - E V L Costa
- Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Recife, PE, Brasil
| | - R D Rufino
- Centro de Ciências e Tecnologia, Universidade Católica de Pernambuco, Recife, PE, Brasil
| | - V A Santos
- Centro de Ciências e Tecnologia, Universidade Católica de Pernambuco, Recife, PE, Brasil
| | - C S Ramos
- Departamento de Química, Universidade Federal Rural de Pernambuco, Recife, PE, Brasil
| | - L A Sarubbo
- Centro de Ciências e Tecnologia, Universidade Católica de Pernambuco, Recife, PE, Brasil
| | - A L F Porto
- Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Recife, PE, Brasil
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Costa RM, Albuquerque WWC, Silva MC, Paula RAD, Melo MS, Oliva ML, Porto ALF. Can γ-radiation modulate hemagglutinating and anticoagulant activities of PpyLL, a lectin from Phthirusa pyrifolia? Int J Biol Macromol 2017; 104:125-136. [DOI: 10.1016/j.ijbiomac.2017.06.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 06/01/2017] [Accepted: 06/02/2017] [Indexed: 10/19/2022]
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de Andrade Calaça PR, Bezerra RP, Albuquerque WWC, Porto ALF, Cavalcanti MTH. Probiotics as a preventive strategy for surgical infection in colorectal cancer patients: a systematic review and meta-analysis of randomized trials. Transl Gastroenterol Hepatol 2017; 2:67. [PMID: 28905008 DOI: 10.21037/tgh.2017.08.01] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 07/25/2017] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Infection following abdominal surgery remains a major factor in morbidity among colorectal cancer (CRC) patients. Probiotic therapy has been suggested to improve the clinical and laboratory outcome of patients undergoing gastrointestinal surgery. The aim of this study was to investigate the efficacy of probiotic lactic acid bacteria in patients with CRC in the pre- and postoperative phases. METHODS Systematic database searches identified 1,080 related articles. However, only seven articles were selected according to the eligibility criteria for qualitative and quantitative evaluation. RESULTS Most of the reviewed articles presented satisfactory results related to the prevention of surgical inflammation in patients undergoing resection of CRC when using strains of Lactobacillus genus, predominantly. CONCLUSIONS Probiotics are suggested to prevent surgical inflammation of CRC, at the same time that the combination of particular microorganisms administered is beneficial to the treatment and surgical recovery.
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Affiliation(s)
- Priscilla Régia de Andrade Calaça
- Laboratory of Technology of Bioactive Product (LABTECBIO), Department of Morphology and Animal Physiology, DMFA, Federal Rural University of Pernambuco, Recife, Brazil.,Research Support Center (CENAPESQ), Federal Rural University of Pernambuco, Recife, Brazil
| | - Raquel Pedrosa Bezerra
- Laboratory of Technology of Bioactive Product (LABTECBIO), Department of Morphology and Animal Physiology, DMFA, Federal Rural University of Pernambuco, Recife, Brazil.,Research Support Center (CENAPESQ), Federal Rural University of Pernambuco, Recife, Brazil
| | - Wendell Wagner Campos Albuquerque
- Laboratory of Technology of Bioactive Product (LABTECBIO), Department of Morphology and Animal Physiology, DMFA, Federal Rural University of Pernambuco, Recife, Brazil
| | - Ana Lúcia Figueiredo Porto
- Laboratory of Technology of Bioactive Product (LABTECBIO), Department of Morphology and Animal Physiology, DMFA, Federal Rural University of Pernambuco, Recife, Brazil.,Research Support Center (CENAPESQ), Federal Rural University of Pernambuco, Recife, Brazil.,Laboratory of Immunopathology Keizo Asami (LIKA), Federal University of Pernambuco (UFPE), Recife, Brazil
| | - Maria Taciana Holanda Cavalcanti
- Laboratory of Technology of Bioactive Product (LABTECBIO), Department of Morphology and Animal Physiology, DMFA, Federal Rural University of Pernambuco, Recife, Brazil.,Research Support Center (CENAPESQ), Federal Rural University of Pernambuco, Recife, Brazil
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41
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Lima MDSFD, Souza KMSD, Albuquerque WWC, Teixeira JAC, Cavalcanti MTH, Porto ALF. Saccharomyces cerevisiae from Brazilian kefir-fermented milk: An in vitro evaluation of probiotic properties. Microb Pathog 2017; 110:670-677. [PMID: 28478200 DOI: 10.1016/j.micpath.2017.05.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 03/17/2017] [Accepted: 05/02/2017] [Indexed: 12/23/2022]
Abstract
The therapeutic use of probiotics for supporting the antibiotic action against gastrointestinal disorders is a current trend and emerging applications have gained popularity because of their support for various microbiological activities in digestive processes. Microorganisms isolated from kefir with great probiotic properties, in addition to high resistance to harsh environmental conditions, have been widely researched. Administration of probiotic yeasts offers a number of advantages, when compared to bacteria, because of particular characteristics as their larger cell size. In the present study, 28 strains of Saccharomyces cerevisiae were isolated, after in vitro digestion of kefir-fermented milk, and identified by molecular based approaches. A screening was performed to determine important quality requirements for probiotics including: antagonistic and antioxidant activities, β-galactosidase synthesis, autoaggregation, surface hydrophobicity and adhesion to epithelial cells. The results showed strains: with antagonistic activity against microbial pathogens such as Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus subtilis; able to produce β-galactosidase; with antioxidant activity levels higher than 90%; with hydrophobicity activity and autoaggregation ability (evaluated by adhesion test, where all the strains presented adhesion to mice ileal epithelial cells). These findings are relevant and the strains are recommended for further in vivo studies as well as for potential therapeutic applications.
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Affiliation(s)
| | | | | | | | - Maria Taciana Holanda Cavalcanti
- Laboratory of Immunopathology Keizo Asami (LIKA), Federal University of Pernambuco (UFPE), Recife, Brazil; Department of Morphology and Animal Physiology (DMFA), University Federal Rural of Pernambuco (UFRPE), Recife, Brazil
| | - Ana Lúcia Figueiredo Porto
- Laboratory of Immunopathology Keizo Asami (LIKA), Federal University of Pernambuco (UFPE), Recife, Brazil; Department of Morphology and Animal Physiology (DMFA), University Federal Rural of Pernambuco (UFRPE), Recife, Brazil.
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42
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Duarte Neto JMW, Maciel JDC, Campos JF, Carvalho Junior LBD, Marques DAV, Lima CDA, Porto ALF. Optimization of Penicillium aurantiogriseum protease immobilization on magnetic nanoparticles for antioxidant peptides' obtainment. Prep Biochem Biotechnol 2017; 47:644-654. [PMID: 28278110 DOI: 10.1080/10826068.2017.1292286] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [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
This work reports an optimization of protease from Penicillium aurantiogriseum immobilization on polyaniline-coated magnetic nanoparticles for antioxidant peptides' obtainment derived from bovine casein. Immobilization process was optimized using a full two-level factorial design (24) followed by a response surface methodology. Using the derivative, casein was hydrolyzed uncovering its peptides that were sequenced and had antioxidant properties tested through (2,2'-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt) (ABTS) radical scavenging and hydrogen peroxide scavenging assays. Optimal conditions for immobilization were 2 hr of immobilization, offered protein amount of 200 µg/mL, immobilization pH of 6.3 and 7.3 hr of activation. Derivative keeps over 74% of its original activity after reused five times. Free and immobilized enzyme casein hydrolysates presented similar peptide mass fingerprints, and prevalent peptides could be sequenced. Hydrolysates presented more than 2.5× higher ROS scavenging activity than nonhydrolyzed casein, which validates the immobilized protease capacity to develop casein-derived natural ingredients with potential for functional foods.
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Affiliation(s)
| | - Jackeline da Costa Maciel
- a Keizo Asami immunopathology Laboratory (LIKA), Federal University of Pernambuco , Recife , PE , Brazil
| | | | - Luiz Bezerra de Carvalho Junior
- a Keizo Asami immunopathology Laboratory (LIKA), Federal University of Pernambuco , Recife , PE , Brazil.,c Biochemistry Department, Federal University of Pernambuco (UFPE) , Recife , PE , Brazil
| | | | | | - Ana Lúcia Figueiredo Porto
- a Keizo Asami immunopathology Laboratory (LIKA), Federal University of Pernambuco , Recife , PE , Brazil.,d University of Pernambuco, Serra Talhada Campus , Serra Talhada , PE , Brazil
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43
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Lima MDSFD, Silva RAD, Lima Filho JLD, Porto ALF, Cavalcanti MTH. Queijo de coalho artesanal: fonte alternativa de peptídeos antimicrobianos. Braz J Food Technol 2017. [DOI: 10.1590/1981-6723.19316] [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] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Resumo O objetivo da pesquisa foi extrair, obter o perfil peptídico e avaliar a atividade antimicrobiana do extrato peptídico bruto de duas amostras de queijo de Coalho artesanal produzidos no município de Venturosa, localizado no Agreste de Pernambuco – Brasil. Nas eletroforeses realizadas, foram evidenciadas de 12 a 15 bandas. Na análise por espectrometria de massa, foram identificados 24 fragmentos peptídeos. O extrato peptídico bruto apresentou atividade antimicrobiana diante dos microrganismos Enterococcus faecalis ATCC 6057, Bacillus subtilis ATCC 6633, Escherichia coli ATCC 25922 e Pseudomonas aeruginosa ATCC 27853 na concentração de 225 mg/mL. Os presentes resultados sugerem que em aproximadamente 5 g do queijo são encontrados peptídeos capazes de inibir o crescimento dos microrganismos patogênicos testados. Sendo assim, pode-se indicar o caráter funcional do queijo de Coalho.
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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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45
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Wanderley MCDA, Neto JMWD, Filho JLDL, Lima CDA, Teixeira JAC, Porto ALF. Collagenolytic enzymes produced by fungi: a systematic review. Braz J Microbiol 2017; 48:13-24. [PMID: 27756540 PMCID: PMC5220638 DOI: 10.1016/j.bjm.2016.08.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 06/30/2016] [Accepted: 08/15/2016] [Indexed: 11/29/2022] Open
Abstract
Specific proteases capable of degrading native triple helical or denatured collagen have been required for many years and have a large spectrum of applications. There are few complete reports that fully uncover production, characterization and purification of fungi collagenases. In this review, authors searched through four scientific on line data bases using the following keywords (collagenolytic OR collagenase) AND (fungi OR fungus OR fungal) AND (production OR synthesis OR synthesize) AND (characterization). Scientific criteria were adopted in this review to classify found articles by score (from 0 to 10). After exclusion criteria, 21 articles were selected. None obtained the maximum of 10 points defined by the methodology, which indicates a deficiency in studies dealing simultaneously with production, characterization and purification of collagenase by fungi. Among microorganisms studied the non-pathogenic fungi Penicillium aurantiogriseum and Rhizoctonia solani stood out in volumetric and specific collagenase activity. The only article found that made sequencing of a true collagenase showed 100% homology with several metalloproteinases fungi. A clear gap in literature about collagenase production by fungi was verified, which prevents further development in the area and increases the need for further studies, particularly full characterization of fungal collagenases with high specificity to collagen.
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Affiliation(s)
| | | | - José Luiz de Lima Filho
- Universidade Federal de Pernambuco (UFPE), Laboratório de Imunopatologia Keizo Asami (LIKA), Recife, PE, Brasil
| | - Carolina de Albuquerque Lima
- Universidade de Pernambuco (UPE), Faculdade de Ciências, Educação e Tecnologia de Garanhuns, Garanhuns, PE, Brasil
| | | | - Ana Lúcia Figueiredo Porto
- Universidade Federal Rural de Pernambuco (UFRPE), Departamento de Morfologia e Fisiologia Animal, Recife, PE, Brasil.
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Ferreira CMO, Correia PC, Brandão-Costa RMP, Albuquerque WWC, Lin Liu TPS, Campos-Takaki GM, Porto ALF. Collagenase produced fromAspergillussp. (UCP 1276) using chicken feather industrial residue. Biomed Chromatogr 2016; 31. [DOI: 10.1002/bmc.3882] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 09/28/2016] [Accepted: 10/28/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Catarina Michelle Oliveira Ferreira
- Department of Animal Morphology and Physiology; Rural Federal University of Pernambuco - UFRPE; Recife PE Brazil
- Department of Biotechnology; Laboratory of Imunopathology Keizo Asami; Federal University of Pernambuco; Recife PE Brazil
| | - Patyanne Carvalho Correia
- Department of Animal Morphology and Physiology; Rural Federal University of Pernambuco - UFRPE; Recife PE Brazil
| | | | | | - Tatiana Pereira Shin Lin Liu
- Department of Animal Morphology and Physiology; Rural Federal University of Pernambuco - UFRPE; Recife PE Brazil
| | | | - Ana Lúcia Figueiredo Porto
- Department of Animal Morphology and Physiology; Rural Federal University of Pernambuco - UFRPE; Recife PE Brazil
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47
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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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48
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Albuquerque WWC, Costa RMPB, Fernandes TDSE, Porto ALF. Evidences of the static magnetic field influence on cellular systems. Progress in Biophysics and Molecular Biology 2016; 121:16-28. [DOI: 10.1016/j.pbiomolbio.2016.03.003] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Accepted: 03/10/2016] [Indexed: 01/29/2023]
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Tavares Estevam AC, Alonso Buriti FC, de Oliveira TA, Pereira EVDS, Florentino ER, Porto ALF. Effect of Aqueous Extract of the Seaweed Gracilaria domingensis on the Physicochemical, Microbiological, and Textural Features of Fermented Milks. J Food Sci 2016; 81:C874-80. [PMID: 26989840 DOI: 10.1111/1750-3841.13264] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [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: 11/20/2015] [Accepted: 02/05/2016] [Indexed: 11/30/2022]
Abstract
The effects of the Gracilaria domingensis seaweed aqueous extract in comparison with gelatin on the physicochemical, microbial, and textural characteristics of fermented milks processed with the mixed culture SAB 440 A, composed of Streptococcus thermophilus, Lactobacillus acidophilus, and Bifidobacterium animalis ssp. lactis, were investigated. The addition of G. domingensis aqueous extract did not affect pH, titratable acidity, and microbial viability of fermented milks when compared with the control (with no texture modifier) and the products with added gelatin. Fermented milk with added the seaweed aqueous extract showed firmness, consistency, cohesiveness, and viscosity index at least 10% higher than those observed for the control product (P < 0.05). At 4 h of fermentation, the fermented milks with only G. domingensis extract showed a texture comparable to that observed for products containing only gelatin. At 5 h of fermentation, firmness and consistency increased significantly (P < 0.05) in products with only seaweed extract added, a behavior not observed in products with the full amount of gelatin, probably due to the differences between the interactions of these ingredients with casein during the development of the gel network throughout the acidification of milk. The G. domingensis aqueous extract appears as a promising gelatin alternative to be used as texture modifier in fermented milks and related dairy products.
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Affiliation(s)
- Adriana Carneiro Tavares Estevam
- Keizo Asami Laboratory of Immunopathology, Federal Univ. of Pernambuco, Av. Prof. Moraes Rego, 1235, 50670-901, Recife, PE, Brazil
| | - Flávia Carolina Alonso Buriti
- Dept. of Pharmacy, Center of Biological and Health Sciences, State Univ. of Paraíba, R. Juvêncio Arruda, s/n, 58429-600, Campina Grande, PB, Brazil
| | - Tiago Almeida de Oliveira
- Dept. of Statistics, Center of Sciences and Technology, State Univ. of Paraíba, R. Juvêncio Arruda, s/n, 58109-790, Campina Grande, PB, Brazil
| | - Elainy Virginia Dos Santos Pereira
- Dept. of Chemistry, Center of Sciences and Technology, State Univ. of Paraíba, R. Juvêncio Arruda, s/n, 58109-790, Campina Grande, PB, Brazil
| | - Eliane Rolim Florentino
- Dept. of Chemistry, Center of Sciences and Technology, State Univ. of Paraíba, R. Juvêncio Arruda, s/n, 58109-790, Campina Grande, PB, Brazil
| | - Ana Lúcia Figueiredo Porto
- Keizo Asami Laboratory of Immunopathology, Federal Univ. of Pernambuco, Av. Prof. Moraes Rego, 1235, 50670-901, Recife, PE, Brazil.,Dept. of Morphology and Animal Physiology, Federal Rural Univ. of Pernambuco, Av. Dom Manoel de Medeiros s/n, 52171-900, Recife, PE, Brazil
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50
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Brandão-Costa RMP, Araújo VF, Neves E, Correia MTS, Porto ALF, Carneiro-da-Cunha MDG. Sub-chronic effects of a Phthirusa pyrifolia aqueous extract on reproductive function and comparative hormone levels in male rats. Asian Pac J Trop Biomed 2016. [DOI: 10.1016/j.apjtb.2015.12.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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