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Tenea GN, Anrango Cajas B, Carlosama Sanchez B. Inhibitory-like Substances Produced by Yeasts Isolated from Andean Blueberries: Prospective Food Antimicrobials. Foods 2023; 12:2435. [PMID: 37444173 DOI: 10.3390/foods12132435] [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: 05/26/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023] Open
Abstract
Natural agents from microorganisms have emerged as suitable options to replace chemical preservatives in foods. In this study, the antibacterial activity of cell-free supernatant (CFS) from five native yeasts (Saccharomyces cerevisiae Lev6 and Lev30, C. pseudointermedia Lev8, Candida intermedia Lev9, C. parapsilosis Lev15) and the reference S. boulardi SSB, was evaluated against some indicator food pathogens. The generation of antimicrobials was reliant on strain-, and sugar-supplemented media, which supported yeast growth established at 30 °C and 200 rpm for 48 h. Treatment with proteinase K and catalase was unable to completely abolish the inhibitory effect, indicating that the active components are likely complex combinations of acids, proteins, hydrogen peroxide, and other metabolites. Although there was no impact on Listeria monocytogenes, exposure to CFS and extracellular fractions obtained through precipitation with methanol (PPm) at 120 °C for 60 min significantly (p < 0.05) increased the inhibitory activity against Escherichia coli, Salmonella enterica, Kosakonia cowanii, and Staphylococcus aureus, indicating that the inhibitory activity was stimulated by heat. Likewise, a synergistic inhibitory action against Listeria was obtained following the pretreatment of PPm with EDTA (ethylenediaminetetraacetic acid). These activities were yeast strain-dependent, with Lev6, Lev8, and Lev30 showing the highest activity. In addition, a heat-stable low-molecular-mass molecule under 5 kDa was detected in Lev30. Further research is required to evaluate the mode of action and characterize the composition of the released molecules in the CFS in order to develop a novel biocontrol agent based on yeasts.
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Affiliation(s)
- Gabriela N Tenea
- Biofood and Nutraceutics Research and Development Group (GIDIBAN), Faculty of Engineering in Agricultural and Environmental Sciences, Universidad Técnica del Norte, Av. 17 de Julio s-21, Barrio El Olivo, Ibarra 100150, Ecuador
| | - Blanca Anrango Cajas
- Biofood and Nutraceutics Research and Development Group (GIDIBAN), Faculty of Engineering in Agricultural and Environmental Sciences, Universidad Técnica del Norte, Av. 17 de Julio s-21, Barrio El Olivo, Ibarra 100150, Ecuador
| | - Bladimir Carlosama Sanchez
- Biofood and Nutraceutics Research and Development Group (GIDIBAN), Faculty of Engineering in Agricultural and Environmental Sciences, Universidad Técnica del Norte, Av. 17 de Julio s-21, Barrio El Olivo, Ibarra 100150, Ecuador
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Sampaio de Oliveira KB, Leite ML, Rodrigues GR, Duque HM, da Costa RA, Cunha VA, de Loiola Costa LS, da Cunha NB, Franco OL, Dias SC. Strategies for recombinant production of antimicrobial peptides with pharmacological potential. Expert Rev Clin Pharmacol 2020; 13:367-390. [PMID: 32357080 DOI: 10.1080/17512433.2020.1764347] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION The need to develop new drugs for the control of pathogenic microorganisms has redoubled efforts to prospect for antimicrobial peptides (AMPs) from natural sources and to characterize its structure and function. These molecules present a broad spectrum of action against different microorganisms and frequently present promiscuous action, with anticancer and immunomodulatory activities. Furthermore, AMPs can be used as biopharmaceuticals in the treatment of hospital-acquired infections and other serious diseases with relevant social and economic impacts.Areas covered: The low yield and the therefore difficult extraction and purification process in AMPs are problems that limit their industrial application and scientific research. Thus, optimized heterologous expression systems were developed to significantly boost AMP yields, allow high efficiency in purification and structural optimization for the increase of therapeutic activity.Expert opinion: This review provides an update on recent developments in the recombinant production of ribosomal and non-ribosomal synthesis of AMPs and on strategies to increase the expression of genes encoding AMPs at the transcriptional and translational levels and regulation of the post-translational modifications. Moreover, there are detailed reports of AMPs that have already reached marketable status or are in the pipeline under advanced stages of preclinical testing.
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Affiliation(s)
- Kamila Botelho Sampaio de Oliveira
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Michel Lopes Leite
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Gisele Regina Rodrigues
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Harry Morales Duque
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Rosiane Andrade da Costa
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Victor Albuquerque Cunha
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Lorena Sousa de Loiola Costa
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Nicolau Brito da Cunha
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Octavio Luiz Franco
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil.,Universidade de Brasília, Pós-graduação em Patologia Molecular, Campus Darcy Ribeiro , Brasília, Brazil.,S-Inova Biotech, Pós-graduação em Biotecnologia, Universidade Católica Dom Bosco , Campo Grande, Mato Grosso do Sul, Brazil
| | - Simoni Campos Dias
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil.,Universidade de Brasília, Pós-graduação em Biologia Animal, Campus Darcy Ribeiro , Brasília, Brazil
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Wu Y, Liu Y, Dong K, Li Q. Effects of human β-defensin 3 fused with carbohydrate-binding domain on the function of type III secretion system in Pseudomonas aeruginosa PA14. Braz J Microbiol 2020; 51:29-35. [PMID: 31933178 DOI: 10.1007/s42770-020-00223-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 01/07/2020] [Indexed: 02/06/2023] Open
Abstract
Antimicrobial peptides are considered to be one of the candidate antimicrobial agents for antibiotic-resistant bacterial infection in the future. The effects of antimicrobial peptide hBD3-CBD on Pseudomonas aeruginosa PA14 and PA14 ΔexsA were analyzed by the bactericidal effects, hemolysis assays, pyocyanin pigment productions, and virulence factor expressions (exoU, exoS, hcnA, and lasB). Pyocyanin production and virulence factor expressions are important features of the type III secretion system in Pseudomonas aeruginosa. HBD3-CBD killed PA14 and PA14 ΔexsA with similar efficiency; it lowered the hemolysis levels of PA14 and PA14 ΔexsA and reduced the pyocyanin production, biofilm formation, and exoU, exoS, and lasB expressions in PA14. Compared with PA14, PA14 ΔexsA showed a lower hemolysis effect, pyocyanin production, exoU, and lasB expressions. The effects of hBD3-CBD on the PA14 toxin secretion were similar to the changes in the type III secretion system mutant isolate PA14 ΔexsA. Our results demonstrated that the type III secretion system was involved in the biological functions on PA 14 from hBD3-CBD.
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Affiliation(s)
- Yunqiang Wu
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, B06, Building 1, 280 South Chongqing Road, Shanghai, 200025, China.,Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yanan Liu
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, B06, Building 1, 280 South Chongqing Road, Shanghai, 200025, China
| | - Ke Dong
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Qingtian Li
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, B06, Building 1, 280 South Chongqing Road, Shanghai, 200025, China.
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Younis G, Awad A, Dawod RE, Yousef NE. Antimicrobial activity of yeasts against some pathogenic bacteria. Vet World 2017; 10:979-983. [PMID: 28919693 PMCID: PMC5591489 DOI: 10.14202/vetworld.2017.979-983] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 07/27/2017] [Indexed: 11/16/2022] Open
Abstract
Aim: This study was designed to isolate and identify yeast species from milk and meat products, and to test their antimicrobial activity against some bacterial species. Materials and Methods: A total of 160 milk and meat products samples were collected from random sellers and super markets in New Damietta city, Damietta, Egypt. Samples were subjected to yeast isolation procedures and tested for its antimicrobial activity against Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli. In addition, all yeast species isolates were subjected to polymerase chain reaction (PCR) for detection of khs (kievitone hydratase) and pelA (pectate degrading enzyme)genes. Results: The recovery rate of yeasts from sausage was 20% (2/10) followed by kareish cheese, processed cheese, and butter 10% (1/10) each as well as raw milk 9% (9/100), and fruit yoghurt 30% (6/20). Different yeast species were recovered, namely, Candida kefyr (5 isolates), Saccharomyces cerevisiae (4 isolates), Candida intermedia (3 isolates), Candida tropicalis (2 isolates), Candida lusitaniae (2 isolates), and Candida krusei (1 isolate). khs gene was detected in all S. cerevisiae isolates, however, pelA gene was not detected in all identified yeast species. Antimicrobial activity of recovered yeasts against the selected bacterial species showed high activity with C. intermedia against S. aureus and E. coli, C. kefyr against E. coli, and C. lusitaniae against S. aureus. Moderate activities were obtained with C. tropicalis, C. lusitaniae, and S. cerevisiae against E. coli; meanwhile, all the tested yeasts revealed a very low antimicrobial activity against P. aeruginosa. Conclusion: The obtained results confirmed that some kinds of yeasts have the ability to produce antimicrobial compounds that could inhibit some pathogenic and spoilage bacteria and these antimicrobial activity of yeasts enables them to be one of the novel agents in controlling spoilage of food.
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Affiliation(s)
- Gamal Younis
- Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Mansoura University, 35516 Mansoura, Egypt
| | - Amal Awad
- Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Mansoura University, 35516 Mansoura, Egypt
| | - Rehab E Dawod
- Department of Bacteriology, Animal Health Research Institute, Damietta Branch, Damietta, Egypt
| | - Nehal E Yousef
- Department of Bacteriology, Animal Health Research Institute, Damietta Branch, Damietta, Egypt
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Lin P, Li Y, Dong K, Li Q. The Antibacterial Effects of an Antimicrobial Peptide Human β-Defensin 3 Fused with Carbohydrate-Binding Domain on Pseudomonas aeruginosa PA14. Curr Microbiol 2015; 71:170-6. [PMID: 25862466 DOI: 10.1007/s00284-015-0814-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 02/27/2015] [Indexed: 01/27/2023]
Abstract
Pseudomonas aeruginosa is one of the most opportunistic bacterial pathogens in human communities. Being a potential antibacterial agent, antimicrobial peptide human β-defensin 3-carbohydrate-binding domain (hBD3-CBD) was evaluated in this study by in vitro bactericidal test, special gene expressions, hBD3-CBD effects on biofilm formation assays, swimming, twitching, and swarming activities of P. aeruginosa PA14, and hBD3-CBD effects on the antibiotic 50 % minimal inhibitory concentration (MIC50) and 90 % minimal inhibitory concentration (MIC90) against clinical P. aeruginosa isolates. The MIC against P. aeruginosa PA14 was 32 μg/ml; hBD3-CBD showed significant bactericidal activities when the concentration reached 8 μg/ml, and when the concentration reached 2 μg/ml, hBD3-CBD successfully repressed the biofilm productions in P. aeruginosa PA14. hBD3-CBD could inhibit the in vitro swimming, twitching, and swarming activities of P. aeruginosa PA14. When 5 μg/ml hBD3-CBD was combined with antibiotics, it decreased the MIC50 and MIC90 of tetracycline, rifampicin, and streptomycin against clinical P. aeruginosa isolates. As new antibacterial agents, hBD3-CBD and other AMPs might be used together with antibiotics to deal with infections in the future, especially the skin and soft tissue infections of drug-resistant P. aeruginosa.
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Affiliation(s)
- Ping Lin
- Department of Medical Laboratory, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China
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Zhang Y, Liu Y, Sun Y, Liu Q, Wang X, Li Z, Hao J. In vitro synergistic activities of antimicrobial peptide brevinin-2CE with five kinds of antibiotics against multidrug-resistant clinical isolates. Curr Microbiol 2014; 68:685-92. [PMID: 24474334 DOI: 10.1007/s00284-014-0529-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2013] [Accepted: 12/02/2013] [Indexed: 11/25/2022]
Abstract
Antimicrobial peptides are the promising candidates for withstanding multidrug-resistant bacteria (MDRB) which were caused by the misuse and extensive use of antibiotics. In this research, in vitro activities of one antimicrobial cationic peptide, brevinin-2CE alone and in combination with five kinds of antibiotics were assessed against clinical isolates of extended-spectrum β-lactamase-producing Escherichia coli and methicillin-resistant Staphylococcus aureus. The results showed that most of the combination groups had synergistic effects. Also, it was obvious that brevinin-2CE had more rapid and severe action on the tested MDRBs which demonstrated that brevinin-2CE and the antibiotics had different antimicrobial mechanisms. Thus, it was presumed that the antimicrobial peptides destroyed the bacterial cells via pore formation mechanisms which lead to the increasing of membrane permeability; and then the other compounds like antibiotics might enter into the cells and accomplish the antimicrobial activities more rapidly and efficiently.
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Affiliation(s)
- Yuan Zhang
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, Shaanxi, China
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