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Nogueira FC, de Souza AÁ, Araújo NMS, de Souza LAL, Guimarães Gomes Silva R, de Oliveira Bezerra de Sousa D, Coêlho Cavalcanti B, de Moraes Filho MO, Gurgel do Amaral Valente Sá L, Vitoriano Nobre Júnior H, de Oliveira HD. Antifungal activity of a trypsin inhibitor from Salvia hispanica L. (chia) seeds against fluconazole-resistant strains of Candida spp. and evaluation of its toxicity in vitro. Braz J Microbiol 2024; 55:1205-1217. [PMID: 38594492 PMCID: PMC11153404 DOI: 10.1007/s42770-024-01337-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 04/03/2024] [Indexed: 04/11/2024] Open
Abstract
The incidence of Candida species resistant to traditional antifungal drugs is increasing globally. This issue significantly impacts patients' lives and increases healthcare expenses, confirming the need to develop novel therapeutic strategies. Recently, a thermostable trypsin inhibitor named ShTI (11.558 kDa), which has antibacterial effects on Staphylococcus aureus, was isolated from Salvia hispanica L. (chia) seeds. This study aimed to assess the antifungal effect of ShTI against Candida species and its synergism with fluconazole and to evaluate its mode of action. Preliminary toxicological studies on mouse fibroblasts were also performed. ShTI exhibited antifungal effects against C. parapsilosis (ATCC® 22,019), C. krusei (ATCC® 6258), and six clinical fluconazole-resistant strains of C. albicans (2), C. parapsilosis (2), and C. tropicalis (2). The minimum inhibitory concentration (MIC) values were 4.1 µM (inhibiting 50% of the isolates) and 8.2 µM (inhibiting 100% of the isolates). Additionally, when combined with fluconazole, ShTI had a synergistic effect on C. albicans, altering the morphological structure of the yeast. The mode of action of ShTI against C. krusei (ATCC® 6258) and C. albicans involves cell membrane permeabilization, the overproduction of reactive oxygen species, the formation of pseudohyphae, pore formation, and consequently, cell death. In addition, ShTI (8.65 and 17.3 µM) had noncytotoxic and nongenotoxic effects on L929 mouse fibroblasts. These findings suggest that ShTI could be a promising antimicrobial candidate, but further research is necessary to advance its application as a novel antifungal agent.
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Affiliation(s)
- Francisca Cristiane Nogueira
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Adson Ávila de Souza
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Nadine Monteiro Salgueiro Araújo
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Larissa Alves Lopes de Souza
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Rafael Guimarães Gomes Silva
- Department of Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Daniele de Oliveira Bezerra de Sousa
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Bruno Coêlho Cavalcanti
- Drug Research and Development Center, Federal University of Ceará, Campus Do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | - Manoel Odorico de Moraes Filho
- Drug Research and Development Center, Federal University of Ceará, Campus Do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | | | - Hélio Vitoriano Nobre Júnior
- Drug Research and Development Center, Federal University of Ceará, Campus Do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | - Hermógenes David de Oliveira
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil.
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de Souza EP, Ferro M, Pelá VT, Fernanda-Carlos T, Borges CGG, Taira EA, Ventura TMO, Arencibia AD, Buzalaf MAR, Henrique-Silva F. Maquiberry Cystatins: Recombinant Expression, Characterization, and Use to Protect Tooth Dentin and Enamel. Biomedicines 2023; 11:biomedicines11051360. [PMID: 37239031 DOI: 10.3390/biomedicines11051360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
Phytocystatins are proteinaceous competitive inhibitors of cysteine peptidases involved in physiological and defensive roles in plants. Their application as potential therapeutics for human disorders has been suggested, and the hunt for novel cystatin variants in different plants, such as maqui (Aristotelia chilensis), is pertinent. Being an understudied species, the biotechnological potential of maqui proteins is little understood. In the present study, we constructed a transcriptome of maqui plantlets using next-generation sequencing, in which we found six cystatin sequences. Five of them were cloned and recombinantly expressed. Inhibition assays were performed against papain and human cathepsins B and L. Maquicystatins can inhibit the proteases in nanomolar order, except MaquiCPIs 4 and 5, which inhibit cathepsin B in micromolar order. This suggests maquicystatins' potential use for treating human diseases. In addition, since we previously demonstrated the efficacy of a sugarcane-derived cystatin to protect dental enamel, we tested the ability of MaquiCPI-3 to protect both dentin and enamel. Both were protected by this protein (by One-way ANOVA and Tukey's Multiple Comparisons Test, p < 0.05), suggesting its potential usage in dental products.
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Affiliation(s)
- Eduardo Pereira de Souza
- Department of Genetics and Evolution, Federal University of São Carlos (UFSCar), São Carlos 13565-905, SP, Brazil
| | - Milene Ferro
- Department of General and Applied Biology, Institute of Biosciences, São Paulo State University (UNESP), Rio Claro 13506-900, SP, Brazil
| | - Vinicius Taioqui Pelá
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo (USP), Bauru 17012-901, SP, Brazil
| | - Thais Fernanda-Carlos
- Department of Genetics and Evolution, Federal University of São Carlos (UFSCar), São Carlos 13565-905, SP, Brazil
| | | | - Even Akemi Taira
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo (USP), Bauru 17012-901, SP, Brazil
| | - Talita Mendes Oliveira Ventura
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo (USP), Bauru 17012-901, SP, Brazil
| | - Ariel Domingo Arencibia
- Center of Biotechnology in Natural Resources, Faculty of Agrarian and Forestry Sciences, Catholic University of Maule (UCM), Talca 3466706, Chile
| | - Marília Afonso Rabelo Buzalaf
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo (USP), Bauru 17012-901, SP, Brazil
| | - Flávio Henrique-Silva
- Department of Genetics and Evolution, Federal University of São Carlos (UFSCar), São Carlos 13565-905, SP, Brazil
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da Silva Neto JX, Dias LP, Lopes de Souza LA, Silva da Costa HP, Vasconcelos IM, Pereira ML, de Oliveira JTA, Cardozo CJP, Gonçalves Moura LFW, de Sousa JS, Carneiro RF, Lopes TDP, Bezerra de Sousa DDO. Insights into the structure and mechanism of action of the anti-candidal lectin Mo-CBP2 and evaluation of its synergistic effect and antibiofilm activity. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Silva AL, Bezerra LP, Freitas CDT, Silva AFB, Mesquita FP, Neto NAS, Oliveira JPB, Aguiar TKB, Nagano CS, Carneiro RF, Oliveira JTA, Albuquerque CC, Souza PFN. Luffa operculata seed proteins: Identification by LC-ESI-MS/MS and biotechnological potential against Candida albicans and C. krusei. Anal Biochem 2022; 655:114851. [PMID: 35977597 DOI: 10.1016/j.ab.2022.114851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 08/02/2022] [Accepted: 08/04/2022] [Indexed: 11/01/2022]
Abstract
L: operculata is a plant commonly found in the North and Northeast of Brazil. Although the regional population knows its medicinal potential, there are few scientific studies about its antimicrobial potential. Thus, this study aimed to characterize the proteins from L. operculata seeds extracted using different solutions and evaluate their antimicrobial potentials. The protein extracts obtained with NaCl and sodium acetate buffer presented the best inhibitory activities against Candida albicans and C. krusei. The study of the mechanism of action revealed proteins from L. operculata seeds induced pore formation on the membrane and ROS overaccumulation. Scanning Electron Microscopy images also showed severe morphological changes in Candida albicans and C. krusei. Proteins from L.operculata seeds did not show antibacterial activity. The enzymatic assays revealed the presence of proteolytic enzymes, serine and cysteine protease inhibitors, and chitinases in both protein extracts. Proteomic analysis by LC-ESI-MS/MS identified 57 proteins related to many biological processes, such as defense to (a)biotic stress, energetic metabolism, protein folding, and nucleotide metabolism. In conclusion, the L. operculata seed proteins have biotechnological potential against the human pathogenic yeasts Candida albicans and C. krusei.
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Affiliation(s)
- André L Silva
- Plant Biochemistry and Physiology Laboratory, State University of Rio Grande of North, Mossoró, Rio Grande do Norte, Brazil
| | - Leandro P Bezerra
- Plant Biochemistry and Physiology Laboratory, State University of Rio Grande of North, Mossoró, Rio Grande do Norte, Brazil; Department of Biochemistry and Molecular Biology, Laboratory of Plant Defense Proteins, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Cleverson D T Freitas
- Department of Biochemistry and Molecular Biology, Laboratory of Plant Defense Proteins, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Ayrles F B Silva
- Department of Biochemistry and Molecular Biology, Laboratory of Plant Defense Proteins, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Felipe P Mesquita
- Drug Research and Development Center, Department of Medicine, Federal University of Ceará, Brazil
| | - Nilton A S Neto
- Department of Biochemistry and Molecular Biology, Laboratory of Plant Defense Proteins, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - João P B Oliveira
- Department of Biochemistry and Molecular Biology, Laboratory of Plant Defense Proteins, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Tawanny K B Aguiar
- Department of Biochemistry and Molecular Biology, Laboratory of Plant Defense Proteins, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Celso S Nagano
- Drug Research and Development Center, Department of Medicine, Federal University of Ceará, Brazil
| | - Rômulo F Carneiro
- Drug Research and Development Center, Department of Medicine, Federal University of Ceará, Brazil
| | - Jose T A Oliveira
- Department of Biochemistry and Molecular Biology, Laboratory of Plant Defense Proteins, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Cynthia C Albuquerque
- Plant Biochemistry and Physiology Laboratory, State University of Rio Grande of North, Mossoró, Rio Grande do Norte, Brazil
| | - Pedro F N Souza
- Department of Biochemistry and Molecular Biology, Laboratory of Plant Defense Proteins, Federal University of Ceará, Fortaleza, Ceará, Brazil; Department of Fishing Engineering, Federal University of Ceará, Fortaleza, Ceará, Brazil.
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Balbinott N, Margis R. Review: Unraveling the origin of the structural and functional diversity of plant cystatins. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 321:111342. [PMID: 35696902 DOI: 10.1016/j.plantsci.2022.111342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/02/2022] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
The regulation of protease activity is a critical factor for the physiological balance during plant growth and development. Among the proteins involved in controlling protease activity are the cystatins, well-described inhibitors of cysteine proteases present in viruses, bacteria and most Eukaryotes. Plant cystatins, commonly called phytocystatins, display unique structural and functional diversity and are classified according to their molecular weight as type-I, -II, and -III. Their gene structure is highly conserved across Viridiplantae and provides insights into their evolutionary relationships. Many type-I phytocystatins with introns share sequence similarities with type-II phytocystatins. New data shows that they could have originated from recent losses of the carboxy-terminal extension present in type-II phytocystatins. Intronless type-I phytocystatins originated from a single event shared by flowering plants. Pieces of evidence show multiple events of gene duplications, intron losses, and gains throughout the expansion and diversity of the phytocystatin family. Gene duplication events in Gymnosperms and Eudicots resulted in inhibitors with amino acid substitutions that may modify their interaction with target proteases and other proteins. This review brings a phylogenomic analysis of plant cystatin evolution and contributes to a broader understanding of their origins. A complete functional genomic analysis among phytocystatins and their roles in plant development and responses to abiotic and biotic stresses remains a question to be fully solved.
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Affiliation(s)
- Natalia Balbinott
- Laboratório de Genomas e Populações de Plantas, Departamento de Biofísica, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, 91501-970, Porto Alegre, Brazil; Programa de Pós-graduação em Genética e Biologia Molecular, Departamento de Genética, Universidade Federal do Rio Grande do Sul, 91501-970, Porto Alegre, Brazil
| | - Rogerio Margis
- Laboratório de Genomas e Populações de Plantas, Departamento de Biofísica, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, 91501-970, Porto Alegre, Brazil; Programa de Pós-graduação em Genética e Biologia Molecular, Departamento de Genética, Universidade Federal do Rio Grande do Sul, 91501-970, Porto Alegre, Brazil; Programa de Pós-graduação em Biologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, 91501-970, Porto Alegre, Brazil; Programa INCT Plant Stress Biotech, EMBRAPA, CENARGEN, Brasilia, DF, Brazil.
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Purification and Characterization of a Novel Thermostable Papain Inhibitor from Moringa oleifera with Antimicrobial and Anticoagulant Properties. Pharmaceutics 2021; 13:pharmaceutics13040512. [PMID: 33917878 PMCID: PMC8068210 DOI: 10.3390/pharmaceutics13040512] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 11/26/2022] Open
Abstract
Plant cystatins (or phytocystatins) comprise a large superfamily of natural bioactive small proteins that typically act as protein inhibitors of papain-like cysteine proteases. In this report, we present the purification and characterization of the first phytocystatin isolated from Moringa oleifera (MoPI). MoPI has a molecular mass of 19 kDa and showed an extraordinary physicochemical stability against acidic pHs and high temperatures. Our findings also revealed that MoPI is one of the most potent cysteine protease inhibitors reported to date, with Ki and IC50 values of 2.1 nM and 5.7 nM, respectively. More interestingly, MoPI presents a strong antimicrobial activity against human pathogens such as Enterococcus faecalis and Staphylococcus aureus. In addition, MoPI also showed important anticoagulant activity, which is an unprecedented property for this family of protease inhibitors. These results highlight the pharmaceutical potential of this plant and its derived bioactive molecules.
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Protease Inhibitors Purified from the Canola Meal Extracts of Two Genetically Diverse Genotypes Exhibit Antidiabetic and Antihypertension Properties. Molecules 2021; 26:molecules26072078. [PMID: 33916639 PMCID: PMC8038563 DOI: 10.3390/molecules26072078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/22/2021] [Accepted: 04/01/2021] [Indexed: 12/29/2022] Open
Abstract
Valorization of vegetable oil waste residues is gaining importance due to their high protein and polyphenol contents. Protease inhibitors (PIs), proteins from these abundantly available waste residues, have recently gained importance in treating chronic diseases. This research aimed to use canola meal of genetically diverse Brassica napus genotypes, BLN-3347 and Rivette, to identify PIs with diverse functionalities in therapeutic and pharmacological applications. The canola meal PI purification steps involved: native PAGE and trypsin inhibition activity, followed by ammonium sulfate fractionation, anion exchange, gel filtration, and reverse-phase chromatography. The purified PI preparations were characterized using SDS-PAGE, isoelectric focusing (IEF), and N terminal sequencing. SDS-PAGE analysis of PI preparations under native reducing and nonreducing conditions revealed three polymorphic PIs in each genotype. The corresponding IEF of the genotype BLN-3347, exhibited three acidic isoforms with isoelectric points (pI) of 4.6, 4.0, and 3.9, while Rivette possessed three isoforms, exhibiting two basic forms of pI 8.65 and 9.9, and one acidic of pI 6.55. Purified PI preparations from both the genotypes displayed dipeptidyl peptidase-IV (DPP-IV) and angiotensin-converting enzyme (ACE) inhibition activities; the BLN-3347 PI preparation exhibited a strong inhibitory effect with lower IC50 values (DPP-IV 37.42 µg/mL; ACE 129 µg/mL) than that from Rivette (DPP-IV 67.97 µg/mL; ACE 376.2 µg/mL). In addition to potential human therapy, these highly polymorphic PIs, which can inhibit damaging serine proteases secreted by canola plant pathogens, have the potential to be used by canola plant breeders to seek qualitative trait locus (QTLs) linked to genes conferring resistance to canola diseases.
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Lopes TDP, Souza PFN, da Costa HPS, Pereira ML, da Silva Neto JX, de Paula PC, Brilhante RSN, Oliveira JTA, Vasconcelos IM, Sousa DOB. Mo-CBP 4, a purified chitin-binding protein from Moringa oleifera seeds, is a potent antidermatophytic protein: In vitro mechanisms of action, in vivo effect against infection, and clinical application as a hydrogel for skin infection. Int J Biol Macromol 2020; 149:432-442. [PMID: 32004601 DOI: 10.1016/j.ijbiomac.2020.01.257] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/09/2020] [Accepted: 01/25/2020] [Indexed: 12/29/2022]
Abstract
Dermatophytes belonging to Trichophyton ssp. are important anthropophilic and zoophilic pathogens, which developed resistance to griseofulvin, the common antifungal drug used to treat dermatophytosis. In this context, Moringa oleifera seed proteins have been described as antifungal agents with potential applications. Thus, this work aimed to evaluate the antidermatophytic in vitro, focusing on mechanisms, and in vivo potential of Mo-CBP4, purified from M. oleifera seeds. Mo-CBP4was purified after protein extraction with 50 mM Tris-HCl buffer, pH 8.0, and chromatography on chitin and CM Sepharose™ columns and antidermatophytic potential of Mo-CBP4 evaluated in vitro and in vivo. In vitro, Mo-CBP4 reduced in 50% the germination of microconidia of Trichophyton mentagrophytes at 45 μM; but did not show inhibition of mycelial growth. Mo-CBP4 (45 μM) presents the inhibitory activity even when incubated with N-acetyl-d-glucosamine (NAG). Analysis of the mechanisms of Mo-CBP4 revealed an increase in membrane permeability, ROS overproduction and damage to cell wall leading to microconidia death. Furthermore, using in vivo models, Mo-CBP4 (5, 10 and 20 mg g-1) reduced the severity and time of dermatophytosis. Altogether, these findings indicate that Mo-CBP4 has great potential for the development of novel antifungal drugs for the clinical treatment of dermatophytosis.
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Affiliation(s)
| | - Pedro Filho Noronha Souza
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | | | - Mirella Leite Pereira
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - João Xavier da Silva Neto
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Paulo Carvalho de Paula
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | | | - Jose Tadeu Abreu Oliveira
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Ilka Maria Vasconcelos
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
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