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Sugrue I, Ross RP, Hill C. Bacteriocin diversity, function, discovery and application as antimicrobials. Nat Rev Microbiol 2024:10.1038/s41579-024-01045-x. [PMID: 38730101 DOI: 10.1038/s41579-024-01045-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2024] [Indexed: 05/12/2024]
Abstract
Bacteriocins are potent antimicrobial peptides that are produced by bacteria. Since their discovery almost a century ago, diverse peptides have been discovered and described, and some are currently used as commercial food preservatives. Many bacteriocins exhibit extensively post-translationally modified structures encoded on complex gene clusters, whereas others have simple linear structures. The molecular structures, mechanisms of action and resistance have been determined for a number of bacteriocins, but most remain incompletely characterized. These gene-encoded peptides are amenable to bioengineering strategies and heterologous expression, enabling metagenomic mining and modification of novel antimicrobials. The ongoing global antimicrobial resistance crisis demands that novel therapeutics be developed to combat infectious pathogens. New compounds that are target-specific and compatible with the resident microbiota would be valuable alternatives to current antimicrobials. As bacteriocins can be broad or narrow spectrum in nature, they are promising tools for this purpose. However, few bacteriocins have gone beyond preclinical trials and none is currently used therapeutically in humans. In this Review, we explore the broad diversity in bacteriocin structure and function, describe identification and optimization methods and discuss the reasons behind the lack of translation beyond the laboratory of these potentially valuable antimicrobials.
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Affiliation(s)
- Ivan Sugrue
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - R Paul Ross
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Colin Hill
- APC Microbiome Ireland, University College Cork, Cork, Ireland.
- School of Microbiology, University College Cork, Cork, Ireland.
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2
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Reuben RC, Torres C. Bacteriocins: potentials and prospects in health and agrifood systems. Arch Microbiol 2024; 206:233. [PMID: 38662051 PMCID: PMC11045635 DOI: 10.1007/s00203-024-03948-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/26/2024]
Abstract
Bacteriocins are highly diverse, abundant, and heterogeneous antimicrobial peptides that are ribosomally synthesized by bacteria and archaea. Since their discovery about a century ago, there has been a growing interest in bacteriocin research and applications. This is mainly due to their high antimicrobial properties, narrow or broad spectrum of activity, specificity, low cytotoxicity, and stability. Though initially used to improve food quality and safety, bacteriocins are now globally exploited for innovative applications in human, animal, and food systems as sustainable alternatives to antibiotics. Bacteriocins have the potential to beneficially modulate microbiota, providing viable microbiome-based solutions for the treatment, management, and non-invasive bio-diagnosis of infectious and non-infectious diseases. The use of bacteriocins holds great promise in the modulation of food microbiomes, antimicrobial food packaging, bio-sanitizers and antibiofilm, pre/post-harvest biocontrol, functional food, growth promotion, and sustainable aquaculture. This can undoubtedly improve food security, safety, and quality globally. This review highlights the current trends in bacteriocin research, especially the increasing research outputs and funding, which we believe may proportionate the soaring global interest in bacteriocins. The use of cutting-edge technologies, such as bioengineering, can further enhance the exploitation of bacteriocins for innovative applications in human, animal, and food systems.
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Affiliation(s)
- Rine Christopher Reuben
- Area of Biochemistry and Molecular Biology, OneHealth-UR Research Group, University of La Rioja, 26006, Logroño, Spain.
| | - Carmen Torres
- Area of Biochemistry and Molecular Biology, OneHealth-UR Research Group, University of La Rioja, 26006, Logroño, Spain
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3
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Loffredo MR, Nencioni L, Mangoni ML, Casciaro B. Antimicrobial peptides for novel antiviral strategies in the current post-COVID-19 pandemic. J Pept Sci 2024; 30:e3534. [PMID: 37501572 DOI: 10.1002/psc.3534] [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: 04/28/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/29/2023]
Abstract
The recent pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has highlighted how urgent and necessary the discovery of new antiviral compounds is for novel therapeutic approaches. Among the various classes of molecules with antiviral activity, antimicrobial peptides (AMPs) of innate immunity are among the most promising ones, mainly due to their different mechanisms of action against viruses and additional biological properties. In this review, the main physicochemical characteristics of AMPs are described, with particular interest toward peptides derived from amphibian skin. Living in aquatic and terrestrial environments, amphibians are one of the richest sources of AMPs with different primary and secondary structures. Besides describing the various antiviral activities of these peptides and the underlying mechanism, this review aims at emphasizing the high potential of these small molecules for the development of new antiviral agents that likely reduce the selection of resistant strains.
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Affiliation(s)
- Maria Rosa Loffredo
- Department of Biochemical Sciences "A. Rossi Fanelli", Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, Italy
| | - Lucia Nencioni
- Department of Public Health and Infectious Diseases, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, Italy
| | - Maria Luisa Mangoni
- Department of Biochemical Sciences "A. Rossi Fanelli", Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, Italy
| | - Bruno Casciaro
- Department of Biochemical Sciences "A. Rossi Fanelli", Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, Italy
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4
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Tang Y, Lei J, Ma X, Li J, Li H, Liu Z. Identification and characterization of a novel bacteriocin gene cluster in Lysinibacillus boronitolerans. Biotechnol Appl Biochem 2023; 70:1860-1869. [PMID: 37431158 DOI: 10.1002/bab.2488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 06/15/2023] [Indexed: 07/12/2023]
Abstract
Although the antibiotics inhibit or kill pathogens, the abuse leads to the resistance formation and even "Super Bacteria." Therefore, it is urgent to explore the natural and safe alternatives such as bacteriocin. In this study, an uncharacterized bacteriocin gene cluster for Lysinibacillus boronitolerans was first predicted by genome sequencing and bioinformatics analysis, of which including two biosynthetic genes, a regulatory gene, a transport-related gene, and six other genes. Subsequently, the 10.24-kb gene cluster was expressed in Escherichia coli BL21, and the lysate effectively inhibited the growths of pathogenic bacteria containing Bacillus pumilus, Bacillus velezensis, Pseudomonas syringae pv. tomato DC3000, and Xanthomonas axonopodis pv. manihotis. The antibacterial substance was purified by 70% ammonium sulfate precipitation and further identified by liquid chromatography-tandem mass spectrometry. The results showed that the antibacterial substance consisted of 44 amino acids and had 24.1% sequence identity with the cyanobacterin Piricyclamide 7005 E4 PirE4, a bacteriocin analogue. The minimal set of genes required for the biosynthesis of the antibacterial substance was determined by site-directed mutagenesis, suggesting both a transcriptional repressor and a phosphohydroxythreonine transaminase were essential. Subsequently, the evolution and conservation of the two proteins were analyzed among 22 Lysinibacillus species. Among them, the residues responsible for functions were identified. Collectively, our results set a solid foundation for investigation of the biosynthesis and application of bacteriocin.
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Affiliation(s)
- Yanqiong Tang
- School of Life Sciences, Hainan University, Haikou, China
| | - Junxia Lei
- School of Life Sciences, Hainan University, Haikou, China
| | - Xiang Ma
- School of Life Sciences, Hainan University, Haikou, China
| | - Juanjuan Li
- School of Life Sciences, Hainan University, Haikou, China
| | - Hong Li
- School of Life Sciences, Hainan University, Haikou, China
| | - Zhu Liu
- School of Life Sciences, Hainan University, Haikou, China
- One Health Institute, Hainan University, Haikou, China
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5
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Nicholas-Haizelden K, Murphy B, Hoptroff M, Horsburgh MJ. Bioprospecting the Skin Microbiome: Advances in Therapeutics and Personal Care Products. Microorganisms 2023; 11:1899. [PMID: 37630459 PMCID: PMC10456854 DOI: 10.3390/microorganisms11081899] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/20/2023] [Accepted: 07/25/2023] [Indexed: 08/27/2023] Open
Abstract
Bioprospecting is the discovery and exploration of biological diversity found within organisms, genetic elements or produced compounds with prospective commercial or therapeutic applications. The human skin is an ecological niche which harbours a rich and compositional diversity microbiome stemming from the multifactorial interactions between the host and microbiota facilitated by exploitable effector compounds. Advances in the understanding of microbial colonisation mechanisms alongside species and strain interactions have revealed a novel chemical and biological understanding which displays applicative potential. Studies elucidating the organismal interfaces and concomitant understanding of the central processes of skin biology have begun to unravel a potential wealth of molecules which can exploited for their proposed functions. A variety of skin-microbiome-derived compounds display prospective therapeutic applications, ranging from antioncogenic agents relevant in skin cancer therapy to treatment strategies for antimicrobial-resistant bacterial and fungal infections. Considerable opportunities have emerged for the translation to personal care products, such as topical agents to mitigate various skin conditions such as acne and eczema. Adjacent compound developments have focused on cosmetic applications such as reducing skin ageing and its associated changes to skin properties and the microbiome. The skin microbiome contains a wealth of prospective compounds with therapeutic and commercial applications; however, considerable work is required for the translation of in vitro findings to relevant in vivo models to ensure translatability.
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Affiliation(s)
- Keir Nicholas-Haizelden
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L69 3BX, UK;
| | - Barry Murphy
- Unilever Research & Development, Port Sunlight, Wirral CH63 3JW, UK; (B.M.); (M.H.)
| | - Michael Hoptroff
- Unilever Research & Development, Port Sunlight, Wirral CH63 3JW, UK; (B.M.); (M.H.)
| | - Malcolm J. Horsburgh
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L69 3BX, UK;
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Fakharian F, Thirugnanam S, Welsh DA, Kim WK, Rappaport J, Bittinger K, Rout N. The Role of Gut Dysbiosis in the Loss of Intestinal Immune Cell Functions and Viral Pathogenesis. Microorganisms 2023; 11:1849. [PMID: 37513022 PMCID: PMC10384393 DOI: 10.3390/microorganisms11071849] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/15/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
The gut microbiome plays a critical role in maintaining overall health and immune function. However, dysbiosis, an imbalance in microbiome composition, can have profound effects on various aspects of human health, including susceptibility to viral infections. Despite numerous studies investigating the influence of viral infections on gut microbiome, the impact of gut dysbiosis on viral infection and pathogenesis remains relatively understudied. The clinical variability observed in SARS-CoV-2 and seasonal influenza infections, and the presence of natural HIV suppressors, suggests that host-intrinsic factors, including the gut microbiome, may contribute to viral pathogenesis. The gut microbiome has been shown to influence the host immune system by regulating intestinal homeostasis through interactions with immune cells. This review aims to enhance our understanding of how viral infections perturb the gut microbiome and mucosal immune cells, affecting host susceptibility and response to viral infections. Specifically, we focus on exploring the interactions between gamma delta (γδ) T cells and gut microbes in the context of inflammatory viral pathogenesis and examine studies highlighting the role of the gut microbiome in viral disease outcomes. Furthermore, we discuss emerging evidence and potential future directions for microbiome modulation therapy in the context of viral pathogenesis.
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Affiliation(s)
- Farzaneh Fakharian
- Department of Microbiology, Faculty of Biological Sciences and Technology, Shahid Beheshti University, Tehran 1983969411, Iran
| | - Siva Thirugnanam
- Tulane National Primate Research Center, Covington, LA 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - David A. Welsh
- Department of Microbiology, Immunology and Parasitology, Louisiana State University School of Medicine, New Orleans, LA 70806, USA
| | - Woong-Ki Kim
- Tulane National Primate Research Center, Covington, LA 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Jay Rappaport
- Tulane National Primate Research Center, Covington, LA 70433, USA
| | - Kyle Bittinger
- Division of Gastroenterology, Hepatology and Nutrition, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Namita Rout
- Tulane National Primate Research Center, Covington, LA 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
- Tulane Center for Aging, Tulane University School of Medicine, New Orleans, LA 70112, USA
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7
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Combating food spoilage and pathogenic microbes via bacteriocins: A natural and eco-friendly substitute to antibiotics. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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8
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Alam MZ, Maslanka JR, Abt MC. Immunological consequences of microbiome-based therapeutics. Front Immunol 2023; 13:1046472. [PMID: 36713364 PMCID: PMC9878555 DOI: 10.3389/fimmu.2022.1046472] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 12/16/2022] [Indexed: 01/15/2023] Open
Abstract
The complex network of microscopic organisms living on and within humans, collectively referred to as the microbiome, produce wide array of biologically active molecules that shape our health. Disruption of the microbiome is associated with susceptibility to a range of diseases such as cancer, diabetes, allergy, obesity, and infection. A new series of next-generation microbiome-based therapies are being developed to treat these diseases by transplanting bacteria or bacterial-derived byproducts into a diseased individual to reset the recipient's microbiome and restore health. Microbiome transplantation therapy is still in its early stages of being a routine treatment option and, with a few notable exceptions, has had limited success in clinical trials. In this review, we highlight the successes and challenges of implementing these therapies to treat disease with a focus on interactions between the immune system and microbiome-based therapeutics. The immune activation status of the microbiome transplant recipient prior to transplantation has an important role in supporting bacterial engraftment. Following engraftment, microbiome transplant derived signals can modulate immune function to ameliorate disease. As novel microbiome-based therapeutics are developed, consideration of how the transplants will interact with the immune system will be a key factor in determining whether the microbiome-based transplant elicits its intended therapeutic effect.
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Affiliation(s)
| | | | - Michael C. Abt
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
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9
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In Silico Analysis of Bacteriocins from Lactic Acid Bacteria Against SARS-CoV-2. Probiotics Antimicrob Proteins 2023; 15:17-29. [PMID: 34837166 PMCID: PMC8626284 DOI: 10.1007/s12602-021-09879-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/11/2021] [Indexed: 01/18/2023]
Abstract
The COVID-19 pandemic caused by a novel coronavirus (SARS-CoV-2) is a serious health concern in the twenty-first century for scientists, health workers, and all humans. The absence of specific biotherapeutics requires new strategies to prevent the spread and prophylaxis of the novel virus and its variants. The SARS-CoV-2 virus shows pathogenesis by entering the host cells via spike protein and Angiotensin-Converting Enzyme 2 receptor protein. Thus, the present study aims to compute the binding energies between a wide range of bacteriocins with receptor-binding domain (RBD) on spike proteins of wild type (WT) and beta variant (lineage B.1.351). Molecular docking analyses were performed to evaluate binding energies. Upon achieving the best bio-peptides with the highest docking scores, further molecular dynamics (MD) simulations were performed to validate the structure and interaction stability. Protein-protein docking of the chosen 22 biopeptides with WT-RBD showed docking scores lower than -7.9 kcal/mol. Pediocin PA-1 and salivaricin P showed the lowest (best) docking scores of - 12 kcal/mol. Pediocin PA-1, salivaricin B, and salivaricin P showed a remarkable increase in the double mutant's predicted binding affinity with -13.8 kcal/mol, -13.0 kcal/mol, and -12.5 kcal/mol, respectively. Also, a better predicted binding affinity of pediocin PA-1 and salivaricin B against triple mutant was observed compared to the WT. Thus, pediocin PA-1 binds stronger to mutants of the RBD, particularly to double and triple mutants. Salivaricin B showed a better predicted binding affinity towards triple mutant compared to WT, showing that it might be another bacteriocin with potential activity against the SARS-CoV-2 beta variant. Overall, pediocin PA-1, salivaricin P, and salivaricin B are the most promising candidates for inhibiting SARS-CoV-2 (including lineage B.1.351) entrance into the human cells. These bacteriocins derived from lactic acid bacteria hold promising potential for paving an alternative way for treatment and prophylaxis of WT and beta variants.
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Todorov SD, Popov I, Weeks R, Chikindas ML. Use of Bacteriocins and Bacteriocinogenic Beneficial Organisms in Food Products: Benefits, Challenges, Concerns. Foods 2022; 11:foods11193145. [PMID: 36230222 PMCID: PMC9563261 DOI: 10.3390/foods11193145] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 11/18/2022] Open
Abstract
This review’s objective was to critically revisit various research approaches for studies on the application of beneficial organisms and bacteriocins as effective biopreservatives in the food industry. There are a substantial number of research papers reporting newly isolated bacterial strains from fermented food products and their application as potential probiotics, including partial characterization of bacteriocins produced by these microorganisms. Most of these studies follow scientific community-accepted standard procedures and propose various applications of the studied strains and bacteriocins as potential biopreservatives for the food industry. A few investigations go somewhat further, performing model studies, exploring the application of expressed bacteriocins in a designed food product, or trying to evaluate the effectiveness of the studied potential probiotics and bacteriocins against foodborne pathogens. Some authors propose applications of bacteriocin producers as starter cultures and are exploring in situ bacteriocin production to aid in the effective control of foodborne pathogens. However, few studies have evaluated the possible adverse effects of bacteriocins, such as toxicity. This comes from well-documented reports on bacteriocins being mostly non-immunogenic and having low cytotoxicity because most of these proteinaceous molecules are small peptides. However, some studies have reported on bacteriocins with noticeable cytotoxicity, which may become even more pronounced in genetically engineered or modified bacteriocins. Moreover, their cytotoxicity can be very specific and is dependent on the concentration of the bacteriocin and the nature of the targeted cell. This will be discussed in detail in the present review.
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Affiliation(s)
- Svetoslav Dimitrov Todorov
- ProBacLab, Laboratório de Microbiologia de Alimentos, Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo 05508-000, SP, Brazil
- Correspondence: ; Tel.: +359-88-9583119
| | - Igor Popov
- Center for Agrobiotechnology, Don State Technical University, 344002 Rostov-on-Don, Russia
| | - Richard Weeks
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, New Brunswick, NJ 08904, USA
| | - Michael Leonidas Chikindas
- Center for Agrobiotechnology, Don State Technical University, 344002 Rostov-on-Don, Russia
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, New Brunswick, NJ 08904, USA
- Department of General Hygiene, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
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Umair M, Jabbar S, Zhaoxin L, Jianhao Z, Abid M, Khan KUR, Korma SA, Alghamdi MA, El-Saadony MT, Abd El-Hack ME, Cacciotti I, AbuQamar SF, El-Tarabily KA, Zhao L. Probiotic-Based Bacteriocin: Immunity Supplementation Against Viruses. An Updated Review. Front Microbiol 2022; 13:876058. [PMID: 36033850 PMCID: PMC9402254 DOI: 10.3389/fmicb.2022.876058] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/14/2022] [Indexed: 11/13/2022] Open
Abstract
Viral infections are a major cause of severe, fatal diseases worldwide. Recently, these infections have increased due to demanding contextual circumstances, such as environmental changes, increased migration of people and product distribution, rapid demographic changes, and outbreaks of novel viruses, including the COVID-19 outbreak. Internal variables that influence viral immunity have received attention along with these external causes to avert such novel viral outbreaks. The gastrointestinal microbiome (GIM), particularly the present probiotics, plays a vital role in the host immune system by mediating host protective immunity and acting as an immune regulator. Bacteriocins possess numerous health benefits and exhibit antagonistic activity against enteric pathogens and immunobiotics, thereby inhibiting viral infections. Moreover, disrupting the homeostasis of the GIM/host immune system negatively affects viral immunity. The interactions between bacteriocins and infectious viruses, particularly in COVID-19, through improved host immunity and physiology are complex and have not yet been studied, although several studies have proven that bacteriocins influence the outcomes of viral infections. However, the complex transmission to the affected sites and siRNA defense against nuclease digestion lead to challenging clinical trials. Additionally, bacteriocins are well known for their biofunctional properties and underlying mechanisms in the treatment of bacterial and fungal infections. However, few studies have shown the role of probiotics-derived bacteriocin against viral infections. Thus, based on the results of the previous studies, this review lays out a road map for future studies on bacteriocins for treating viral infections.
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Affiliation(s)
- Muhammad Umair
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
- Key Laboratory of Optoelectronic Devices and Systems, College of Physics and Optoelectronic Engineering, Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen, China
| | - Saqib Jabbar
- Food Science Research Institute (FSRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan
| | - Lu Zhaoxin
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Zhang Jianhao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Muhammad Abid
- Institute of Food and Nutritional Sciences, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, Pakistan
| | - Kashif-Ur R. Khan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Sameh A. Korma
- Department of Food Science, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Mashail A. Alghamdi
- Department of Biology, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohamed T. El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | | | - Ilaria Cacciotti
- Department of Engineering, INSTM RU, University of Rome “Niccolò Cusano”, Rome, Italy
| | - Synan F. AbuQamar
- Department of Biology, College of Science, United Arab Emirates University, Al-Ain, United Arab Emirates
| | - Khaled A. El-Tarabily
- Department of Biology, College of Science, United Arab Emirates University, Al-Ain, United Arab Emirates
- Khalifa Center for Genetic Engineering and Biotechnology, United Arab Emirates University, Al-Ain, United Arab Emirates
- Harry Butler Institute, Murdoch University, Murdoch, WA, Australia
| | - Liqing Zhao
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
- Key Laboratory of Optoelectronic Devices and Systems, College of Physics and Optoelectronic Engineering, Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen, China
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12
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In vitro evaluation of antiviral activity of Shouchella clausii probiotic strain and bacterial supernatant against herpes simplex virus type 1. Arch Microbiol 2022; 204:522. [PMID: 35879582 DOI: 10.1007/s00203-022-03137-9] [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: 08/08/2021] [Revised: 07/09/2022] [Accepted: 07/11/2022] [Indexed: 11/02/2022]
Abstract
Herpes simplex virus-1 (HSV-1) is an important human neurotropic virus infecting 70% of the world population. Due to the emergence of viral resistance via mutations in HSV-1 genes and some of the adverse effects of antiviral compounds, there is a growing need for safe, novel, and effective therapeutic and preventive strategies. The aim of the present study was to investigate for the first time the potential antiviral activity of Shouchella clausii probiotic strain and bacterial supernatant against HSV-1. The MTT assay was used to determine the possible cytotoxicity of the S. clausii and bacterial supernatant. Vero cells were treated by S. clausii, bacterial supernatant, and HSV-1 under pre-treatment (incubation of Vero cells with S. clausii then HSV-1 inoculation), pre-incubation (mixture of co-incubated HSV-1/S. clausii added to Vero cell), competition (adding HSV-1 and S. clausii into Vero cells simultaneously) and post-treatment (Vero cells inoculated with HSV-1 then incubated with S. clausii) assays. Viral titer reduction (TCID50) and viral DNA relative quantification by real-time PCR were measured in each experimental condition. The results indicated that S. clausii and its supernatant had the greatest inhibitory activity toward HSV-1 in pre-treatment assay. The HSV-1 titer treated with S. clausii, and bacterial supernatant was 3.6 and 2.2 Log10TCID50/mL lower compared to the control (7.66 Log10TCID50/mL). Results showed an antiviral effect of S. clausii and its supernatant. S. clausii could be considered as a novel inhibitor for HSV-1 infection.
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Montazeri-Najafabady N, Kazemi K, Gholami A. Recent advances in antiviral effects of probiotics: potential mechanism study in prevention and treatment of SARS-CoV-2. Biologia (Bratisl) 2022; 77:3211-3228. [PMID: 35789756 PMCID: PMC9244507 DOI: 10.1007/s11756-022-01147-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 06/07/2022] [Indexed: 12/14/2022]
Abstract
SARS-CoV-2 is responsible for coronavirus disease 2019 (COVID-19), progressively extended worldwide countries on an epidemic scale. Along with all the drug treatments suggested to date, currently, there are no approved management protocols and treatment regimens for SARS-CoV-2. The unavailability of optimal medication and effective vaccines against SARS-CoV-2 indicates the requirement for alternative therapies. Probiotics are living organisms that deliberate beneficial effects on the host when used sufficiently and in adequate amounts, and fermented food is their rich source. Probiotics affect viruses by antiviral mechanisms and reduce diarrhea and respiratory tract infection. At this point, we comprehensively evaluated the antiviral effects of probiotics and their mechanism with a particular focus on SARS-CoV-2. In this review, we suggested the conceptual and potential mechanisms of probiotics by which they could exhibit antiviral properties against SARS-CoV-2, according to the previous evidence concerning the mechanism of antiviral effects of probiotics. This study reviewed recent studies that speculate about the role of probiotics in the prevention of the SARS-CoV-2-induced cytokine storm through the mechanisms such as induction of anti-inflammatory cytokines (IL-10), downregulation of pro-inflammatory cytokines (TNF-α, IL-2, IL-6), inhibition of JAK signaling pathway, and act as HDAC inhibitor. Also, the recent clinical trials and their outcome have been reviewed.
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Affiliation(s)
- Nima Montazeri-Najafabady
- Endocrinology and Metabolism Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Pharmaceutical Science Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Kimia Kazemi
- Pharmaceutical Science Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ahmad Gholami
- Pharmaceutical Science Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
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14
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Alajlani MM. Characterization of subtilosin gene in wild type Bacillus spp. and possible physiological role. Sci Rep 2022; 12:10521. [PMID: 35732659 PMCID: PMC9217942 DOI: 10.1038/s41598-022-13804-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 05/27/2022] [Indexed: 11/09/2022] Open
Abstract
In a designed study to screen for antimicrobial exhibiting bacteria using molecular aspects, Bacillus species were considered to investigate antibiotic biosynthesis genes. 28 bacterial strains and 3 induced mutants were screened for the presence of subtilosin gene (sbo) and subtilosin through PCR and Mass spectrometry respectively. Sbo gene was detected in 16 out of 28 Bacillus strains. The results from gene sequences deliberated by multiple sequence alignments revealed high-level homology to the sequences of the sbo-alb gene locus of B. subtilis 168 and the other limited reported strains. Hence, this report provided additional strains to support the idea of subtilosin gene predominance amongst Bacillus strains isolated from environment and to find different species containing homologous genes, furthermore the utilization of its conserved region as a means of identifying Bacillus spp. that produce subtilosin. This is the first report to confirm the detection of subtilosin production from B. amyloliquefaciens.
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Affiliation(s)
- Muaaz Mutaz Alajlani
- Department of Pharmaceutical Biology/Pharmacognosy, Institute of Pharmacy, University of Halle-Wittenberg, Hoher Weg 8, 06120, Halle (Saale), Germany.
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15
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Alajlani MM. Characterization of subtilosin gene in wild type Bacillus spp. and possible physiological role. Sci Rep 2022; 12:10521. [DOI: https:/doi.org/10.1038/s41598-022-13804-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 05/27/2022] [Indexed: 08/08/2023] Open
Abstract
AbstractIn a designed study to screen for antimicrobial exhibiting bacteria using molecular aspects, Bacillus species were considered to investigate antibiotic biosynthesis genes. 28 bacterial strains and 3 induced mutants were screened for the presence of subtilosin gene (sbo) and subtilosin through PCR and Mass spectrometry respectively. Sbo gene was detected in 16 out of 28 Bacillus strains. The results from gene sequences deliberated by multiple sequence alignments revealed high-level homology to the sequences of the sbo-alb gene locus of B. subtilis 168 and the other limited reported strains. Hence, this report provided additional strains to support the idea of subtilosin gene predominance amongst Bacillus strains isolated from environment and to find different species containing homologous genes, furthermore the utilization of its conserved region as a means of identifying Bacillus spp. that produce subtilosin. This is the first report to confirm the detection of subtilosin production from B. amyloliquefaciens.
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16
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Isolation and partial characterization of a novel bacteriocin from Pseudomonas azotoformans with antimicrobial activity against Pasterella multocida. Arch Microbiol 2022; 204:112. [PMID: 34982208 DOI: 10.1007/s00203-021-02639-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 10/22/2021] [Accepted: 10/25/2021] [Indexed: 12/29/2022]
Abstract
In this study, a bacteriocin PA996 isolated from Pseudomonas azotoformans (P. azotoformans) was purified to homogeneity by ammonium sulphate precipitation and SP-Sepharose column chromatography. P. azotoformans began to grow at 6 h, reached exponential phase at 12-18 h. Bacteriocin PA996 was produced at 18 h and reached a maximum level of 2400 AU/mL. The molecular mass of purified bacteriocin PA996 was estimated by SDS-PAGE and its molecular mass was approximately 50 kDa. By screening in vitro, the bacteriocin PA996 showed an antimicrobial activity against Pasteurella multocida (P. multocida). The bacteriocin PA996 showed antibacterial activity in the range of pH2-10 and it was heat labile. The inhibitory activities were diminished after treatment with proteinase K, trypsin and papain, respectively, while catalase treatment was ineffective. The minimal inhibitory concentration (MIC) and bactericidal kinetics curves showed that the bacteriocin PA996 had a good inhibitory ability against P. multocida. Our data indicate that bacteriocin PA996 could inhibit the growth of P. maltocida and it may have the potential to apply as an alternative therapeutic drug.
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17
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Characterization of Tonsil Microbiota and Their Effect on Adenovirus Reactivation in Tonsillectomy Samples. Microbiol Spectr 2021; 9:e0124621. [PMID: 34668748 PMCID: PMC8528100 DOI: 10.1128/spectrum.01246-21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The adenoviral DNA is prevalent in adenotonsillectomy specimens from pediatric patients, though the virus seems to be in latent state. The tonsils are at the forefront of airway entry point and are the first line of defense against airway viral and bacterial infections. We hypothesized that tonsil microbiota plays a role in human adenovirus (HAdV) latency and reactivation. In this study, we surveyed the presence of HAdV in tonsillectomy samples from 81 patients and found that HAdV DNA was in 85.2% of the tonsil samples. We then determined the microbiota of the samples. Taxonomic profiling showed that Proteobacteria, Firmicutes, Fusobacteriota, and Bacteroidota accounted for approximately 70% of the total phyla in tonsil samples. A correlation analysis showed that the HAdV-positive samples had significantly higher abundance of Neisseria and Bifidobacterium and lower abundance of Streptococcus, Ochrobactrum, and Lactobacillus than that of the HAdV-negative samples. Culture-based isolation followed by 16S rRNA sequencing identified Staphylococcus aureus, Streptococcus pneumoniae, Veillonella, Prevotella,Capnocytophaga sputigena, Pseudomonas aeruginosa, Neisseria, and Moraxella catarrhalis from the samples. Gas chromatography-mass spectrometry (GC-MS) profiling of short-chain fatty acids in bacterial cultures of minced tonsillectomy tissues or representative isolates showed the cultures contained various amounts of short-chain fatty acids (SCFAs). Treatment of isolated tonsil lymphocytes with bacterial lipopolysaccharide (LPS) or with SCFAs promoted HAdV reactivation. The compounds also promoted HAdV reactivation in a xenograft model with implanted tonsil fragments. This study shows a potential interplay between tonsil microbiota and HAdV reactivation that may lead to recurrent virus infection of respiratory tract disease. IMPORTANCE Human adenovirus infection is common among pediatric patients and can be life-threatening among organ transplant recipients. Adenovirus is transmitted by close contact, but it is believed that a majority of invasive events appear to arise from viral reactivation. The human tonsil is a reservoir for virus latency and has a high prevalence of latently infected adenovirus. Also, tonsils are located at the gateway of the respiratory tracts and are commonly exposed to bacterial pathogens. Here, we uncovered adenoviral DNA-positive and -negative samples that appeared to harbor distinct distribution patterns of microorganisms. SCFAs, primary metabolites of microbiota on tonsils, could induce the adenovirus reactivation in tonsil lymphocytes, resulting in adenovirus replication and production of infectious virions. The study suggests that viral-bacterial interaction plays a role in virus reactivation from latency and could be a contributing factor for recurrent viral infection in pediatric patients.
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18
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Pradhan D, Biswasroy P, Kar B, Bhuyan SK, Ghosh G, Rath G. Clinical Interventions and Budding Applications of Probiotics in the Treatment and Prevention of Viral Infections. Arch Med Res 2021; 53:122-130. [PMID: 34690010 DOI: 10.1016/j.arcmed.2021.09.008] [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: 04/06/2021] [Revised: 09/06/2021] [Accepted: 09/30/2021] [Indexed: 02/07/2023]
Abstract
Over the period, viral infections remain the utmost challenge in front of the scientific community. Continuous shifting and drafting of viral antigenic peptides are the main drivers in the development of antiviral drug resistance. The resurgence of disease, difficulties facing the development of an effective vaccine and undesirable immunological outcomes, foster to develop an alternative therapeutic approach to combat viral infections. Biomimetic nature of viral particles competent to invade the host cell by downregulating the expression of immune responsive cells. To revive from such complications, strengthening the innate immunity places first and foremost defense mechanisms to restrict viral infiltration. Variegated probiotic strains show antiviral activity by stimulating the macrophage and dendritic cell to secret the inflammation response mediated chemokines and cytokines, production of antimicrobial peptides, and biosurfactants, modulate the antiviral gens expression, alter the proportional functionality of CD4+CD25+Foxp3+ regulatory cells (Tregs), etc. With the appreciation for the antiviral activity and health benefits, however, the selectivity of specific probiotic strain from the diversified microbiome, the interactive molecular mechanism of probiotics, viability and sustainability of a specific number of a probiotic strain at the end of the shelf life, stability, selection of the formulation materials, identification and validation of the key process parameters have the major challenges for the development of an effective probiotic therapy against viral infections.
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Affiliation(s)
- Deepak Pradhan
- School of Pharmaceutical Sciences, Siksha "O" Anusandhan, Odisha, India
| | - Prativa Biswasroy
- School of Pharmaceutical Sciences, Siksha "O" Anusandhan, Odisha, India
| | - Biswakanth Kar
- School of Pharmaceutical Sciences, Siksha "O" Anusandhan, Odisha, India
| | - Sanat Kumar Bhuyan
- Institute of Dental Sciences, Siksha "O" Anusandhan University, Odisha, India
| | - Goutam Ghosh
- School of Pharmaceutical Sciences, Siksha "O" Anusandhan, Odisha, India
| | - Goutam Rath
- School of Pharmaceutical Sciences, Siksha "O" Anusandhan, Odisha, India.
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González-Pérez CJ, Aispuro-Hernández E, Vargas-Arispuro I, Hernández-Mendoza A, Ayala Zavala JF, Martínez-Téllez MA. Are Bacteriocins a Feasible Solution for Current Diverse Global Problems? Protein Pept Lett 2021; 28:1330-1337. [PMID: 34629038 DOI: 10.2174/0929866528666211008154430] [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: 12/15/2020] [Revised: 07/29/2021] [Accepted: 08/02/2021] [Indexed: 11/22/2022]
Abstract
The development of effective technologies to cope with persistent and progressive global problems in the areas of human health and sustainable development has become an imperative worldwide challenge. The search for natural alternatives has led to the discovery of bacteriocins, which are potent protein antimicrobial compounds produced by most bacteria. The relevance of these molecules is evidenced by the more than 4,500 papers published in the last decade in Scopus index journals highlighting their versatility and potential to impact various aspects of daily life, including the food industry, medicine, and agriculture. Bacteriocins have demonstrated antibacterial, antifungal, antiviral, and anticancer activity, and they also act as microbiota regulators and plant growth promoters. This mini-review aims to provide insights into the current state and emerging roles of bacteriocins, as well as their potential and limitations as feasible solutions against current diverse global problems.
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Affiliation(s)
- C J González-Pérez
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera Gustavo Enrique Astiazarán Rosas #46, 83304, Hermosillo, Sonora. Mexico
| | - E Aispuro-Hernández
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera Gustavo Enrique Astiazarán Rosas #46, 83304, Hermosillo, Sonora. Mexico
| | | | | | - J F Ayala Zavala
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera Gustavo Enrique Astiazarán Rosas #46, 83304, Hermosillo, Sonora. Mexico
| | - M A Martínez-Téllez
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera Gustavo Enrique Astiazarán Rosas #46, 83304, Hermosillo, Sonora. Mexico
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20
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Antiviral Active Compounds Derived from Natural Sources against Herpes Simplex Viruses. Viruses 2021; 13:v13071386. [PMID: 34372592 PMCID: PMC8310208 DOI: 10.3390/v13071386] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 02/06/2023] Open
Abstract
Herpes simplex viruses (HSV) are ubiquitously distributed with a seroprevalence ranging up to 95% in the adult population. Refractory viral infections with herpes simplex virus type 1 (HSV-1) and type 2 (HSV-2) represent a major global health issue. In particular, the increasing occurrence of resistance to conventional antiviral drugs make the therapy of such infections even more challenging. For instance, the frequent and long-term use of acyclovir and other nucleoside analogues targeting the viral DNA-polymerase enhance the development of resistant viruses. Particularly, the incidental increase of those strains in immunocompromised patients is alarming and represent a major health concern. Alternative treatment concepts are clearly needed. Natural products such as herbal medicines showed antiherpetic activity in vitro and in vivo and proved to be an excellent source for the discovery and isolation of novel antivirals. By this means, numerous plant-derived compounds with antiviral or antimicrobial activity could be isolated. Natural medicines and their ingredients are well-tolerated and could be a good alternative for treating herpes simplex virus infections. This review provides an overview of the recent status of natural sources such as plants, bacteria, fungi, and their ingredients with antiviral activity against herpes simplex viruses. Furthermore, we highlight the most potent herbal medicines and ingredients as promising candidates for clinical investigation and give an overview about the most important drug classes along with their potential antiviral mechanisms. The content of this review is based on articles that were published between 1996 and 2021.
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21
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CBP22, a Novel Bacteriocin Isolated from Clostridium butyricum ZJU-F1, Protects against LPS-Induced Intestinal Injury through Maintaining the Tight Junction Complex. Mediators Inflamm 2021; 2021:8032125. [PMID: 34158805 PMCID: PMC8187061 DOI: 10.1155/2021/8032125] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 09/14/2020] [Accepted: 05/10/2021] [Indexed: 12/30/2022] Open
Abstract
A novel bacteriocin secreted by Clostridium butyricum ZJU-F1 was isolated using ammonium sulfate fractionation, cation exchange chromatography, affinity chromatography, and reverse-phase high-performance liquid chromatography (RP-HPLC). The bacteriocin, named CBP22, contained 22 amino acids with the sequence PSAWQITKCAGSIAWALGSGIF. Analysis of its structure and physicochemical properties indicated that CBP22 had a molecular weight of 2264.63 Da and a +1 net charge. CBP22 showed activity against E. col K88, E. coli ATCC25922, and S. aureus ATCC26923. The effects and potential mechanisms of bacteriocin CBP22 on the innate immune response were investigated with a lipopolysaccharide- (LPS-) induced mouse model. The results showed that pretreatment with CBP22 prevented LPS-induced impairment in epithelial tissues and significantly reduced serum levels of IgG, IgA, IgM, TNF-α, and sIgA. Moreover, CBP22 treatment increased the expression of the zonula occludens and reduced permeability as well as apoptosis in the jejunum in LPS-treated mice. In summary, CBP22 inhibits the intestinal injury and prevents the gut barrier dysfunction induced by LPS, suggesting the potential use of CBP22 for treating intestinal damage.
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22
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Huang F, Teng K, Liu Y, Cao Y, Wang T, Ma C, Zhang J, Zhong J. Bacteriocins: Potential for Human Health. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5518825. [PMID: 33936381 PMCID: PMC8055394 DOI: 10.1155/2021/5518825] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/25/2021] [Accepted: 03/30/2021] [Indexed: 11/17/2022]
Abstract
Due to the challenges of antibiotic resistance to global health, bacteriocins as antimicrobial compounds have received more and more attention. Bacteriocins are biosynthesized by various microbes and are predominantly used as food preservatives to control foodborne pathogens. Now, increasing researches have focused on bacteriocins as potential clinical antimicrobials or immune-modulating agents to fight against the global threat to human health. Given the broad- or narrow-spectrum antimicrobial activity, bacteriocins have been reported to inhibit a wide range of clinically pathogenic and multidrug-resistant bacteria, thus preventing the infections caused by these bacteria in the human body. Otherwise, some bacteriocins also show anticancer, anti-inflammatory, and immune-modulatory activities. Because of the safety and being not easy to cause drug resistance, some bacteriocins appear to have better efficacy and application prospects than existing therapeutic agents do. In this review, we highlight the potential therapeutic activities of bacteriocins and suggest opportunities for their application.
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Affiliation(s)
- Fuqing Huang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100008, China
| | - Kunling Teng
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yayong Liu
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100008, China
| | - Yanhong Cao
- The Animal Husbandry Research Institute of Guangxi Zhuang Autonomous Region, Nanning 530000, China
| | - Tianwei Wang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Cui Ma
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jie Zhang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jin Zhong
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100008, China
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23
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Fu Y, Jaarsma AH, Kuipers OP. Antiviral activities and applications of ribosomally synthesized and post-translationally modified peptides (RiPPs). Cell Mol Life Sci 2021; 78:3921-3940. [PMID: 33532865 PMCID: PMC7853169 DOI: 10.1007/s00018-021-03759-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 12/15/2020] [Accepted: 01/08/2021] [Indexed: 12/15/2022]
Abstract
The emergence and re-emergence of viral epidemics and the risks of antiviral drug resistance are a serious threat to global public health. New options to supplement or replace currently used drugs for antiviral therapy are urgently needed. The research in the field of ribosomally synthesized and post-translationally modified peptides (RiPPs) has been booming in the last few decades, in particular in view of their strong antimicrobial activities and high stability. The RiPPs with antiviral activity, especially those against enveloped viruses, are now also gaining more interest. RiPPs have a number of advantages over small molecule drugs in terms of specificity and affinity for targets, and over protein-based drugs in terms of cellular penetrability, stability and size. Moreover, the great engineering potential of RiPPs provides an efficient way to optimize them as potent antiviral drugs candidates. These intrinsic advantages underscore the good therapeutic prospects of RiPPs in viral treatment. With the aim to highlight the underrated antiviral potential of RiPPs and explore their development as antiviral drugs, we review the current literature describing the antiviral activities and mechanisms of action of RiPPs, discussing the ongoing efforts to improve their antiviral potential and demonstrate their suitability as antiviral therapeutics. We propose that antiviral RiPPs may overcome the limits of peptide-based antiviral therapy, providing an innovative option for the treatment of viral disease.
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Affiliation(s)
- Yuxin Fu
- Department of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747 AG, Groningen, The Netherlands
| | - Ate H Jaarsma
- Department of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747 AG, Groningen, The Netherlands
- Department of Environmental Science, Aarhus University, 4000, Roskilde, Denmark
| | - Oscar P Kuipers
- Department of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747 AG, Groningen, The Netherlands.
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24
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Harper A, Vijayakumar V, Ouwehand AC, ter Haar J, Obis D, Espadaler J, Binda S, Desiraju S, Day R. Viral Infections, the Microbiome, and Probiotics. Front Cell Infect Microbiol 2021; 10:596166. [PMID: 33643929 PMCID: PMC7907522 DOI: 10.3389/fcimb.2020.596166] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 12/23/2020] [Indexed: 01/07/2023] Open
Abstract
Viral infections continue to cause considerable morbidity and mortality around the world. Recent rises in these infections are likely due to complex and multifactorial external drivers, including climate change, the increased mobility of people and goods and rapid demographic change to name but a few. In parallel with these external factors, we are gaining a better understanding of the internal factors associated with viral immunity. Increasingly the gastrointestinal (GI) microbiome has been shown to be a significant player in the host immune system, acting as a key regulator of immunity and host defense mechanisms. An increasing body of evidence indicates that disruption of the homeostasis between the GI microbiome and the host immune system can adversely impact viral immunity. This review aims to shed light on our understanding of how host-microbiota interactions shape the immune system, including early life factors, antibiotic exposure, immunosenescence, diet and inflammatory diseases. We also discuss the evidence base for how host commensal organisms and microbiome therapeutics can impact the prevention and/or treatment of viral infections, such as viral gastroenteritis, viral hepatitis, human immunodeficiency virus (HIV), human papilloma virus (HPV), viral upper respiratory tract infections (URTI), influenza and SARS CoV-2. The interplay between the gastrointestinal microbiome, invasive viruses and host physiology is complex and yet to be fully characterized, but increasingly the evidence shows that the microbiome can have an impact on viral disease outcomes. While the current evidence base is informative, further well designed human clinical trials will be needed to fully understand the array of immunological mechanisms underlying this intricate relationship.
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Affiliation(s)
- Ashton Harper
- ADM Health & Wellness, Medical Affairs Department, Somerset, United Kingdom
| | - Vineetha Vijayakumar
- ADM Health & Wellness, Medical Affairs Department, Somerset, United Kingdom,*Correspondence: Vineetha Vijayakumar,
| | - Arthur C. Ouwehand
- Global Health and Nutrition Sciences, DuPont Nutrition and Biosciences, Kantvik, Finland
| | | | - David Obis
- Innovation Science & Nutrition Department, Danone Nutricia Research, Palaiseau, France
| | | | - Sylvie Binda
- Lallemand Health Solutions, Montreal, QC, Canada
| | | | - Richard Day
- ADM Health & Wellness, Medical Affairs Department, Somerset, United Kingdom
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25
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Soltani S, Hammami R, Cotter PD, Rebuffat S, Said LB, Gaudreau H, Bédard F, Biron E, Drider D, Fliss I. Bacteriocins as a new generation of antimicrobials: toxicity aspects and regulations. FEMS Microbiol Rev 2021; 45:fuaa039. [PMID: 32876664 PMCID: PMC7794045 DOI: 10.1093/femsre/fuaa039] [Citation(s) in RCA: 203] [Impact Index Per Article: 67.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 08/25/2020] [Indexed: 02/07/2023] Open
Abstract
In recent decades, bacteriocins have received substantial attention as antimicrobial compounds. Although bacteriocins have been predominantly exploited as food preservatives, they are now receiving increased attention as potential clinical antimicrobials and as possible immune-modulating agents. Infections caused by antibiotic-resistant bacteria have been declared as a global threat to public health. Bacteriocins represent a potential solution to this worldwide threat due to their broad- or narrow-spectrum activity against antibiotic-resistant bacteria. Notably, despite their role in food safety as natural alternatives to chemical preservatives, nisin remains the only bacteriocin legally approved by regulatory agencies as a food preservative. Moreover, insufficient data on the safety and toxicity of bacteriocins represent a barrier against the more widespread use of bacteriocins by the food and medical industry. Here, we focus on the most recent trends relating to the application of bacteriocins, their toxicity and impacts.
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Affiliation(s)
- Samira Soltani
- Food Science Department, Faculty of Agriculture and Food Sciences, Université Laval, G1V 0A6 Québec, Canada
| | - Riadh Hammami
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, 75 Laurier Ave. E, Ottawa, ON K1N 6N5, Canada
| | - Paul D Cotter
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, P61 C996 Ireland
- APC Microbiome Ireland, Institute and school of Microbiology, University College Cork, Western Road, Cork, T12 YN60, Ireland
| | - Sylvie Rebuffat
- Muséum National d'Histoire Naturelle, Centre National de la Recherche Scientifique, Laboratory Molecules of Communication and Adaptation of Microorganisms (MCAM), UMR 7245 CNRS-MNHN, CP 54, 57 rue Cuvier, 75005 Paris, France
| | - Laila Ben Said
- Food Science Department, Faculty of Agriculture and Food Sciences, Université Laval, G1V 0A6 Québec, Canada
| | - Hélène Gaudreau
- Food Science Department, Faculty of Agriculture and Food Sciences, Université Laval, G1V 0A6 Québec, Canada
| | - François Bédard
- Faculty of Pharmacy and Centre de Recherche en Endocrinologie Moléculaire et Oncologique et Génomique Humaine, Université Laval, 2705 Boulevard Laurier, Quebec G1V 4G2, Canada
| | - Eric Biron
- Faculty of Pharmacy and Centre de Recherche en Endocrinologie Moléculaire et Oncologique et Génomique Humaine, Université Laval, 2705 Boulevard Laurier, Quebec G1V 4G2, Canada
| | - Djamel Drider
- Institut Charles Viollette, Université de Lille, EA 7394, 53955 Villeneuve d'Ascq, France
| | - Ismail Fliss
- Food Science Department, Faculty of Agriculture and Food Sciences, Université Laval, G1V 0A6 Québec, Canada
- Institute of Nutrition and Functional Foods, Université Laval, 2440 Boulevard Hochelaga, Québec G1V 0A6, Canada
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Abstract
Research on lactic acid bacteria has confirmed how specific strains possess probiotic properties and impart unique sensory characteristics to food products. The use of probiotic lactic acid bacteria (LAB) in many food products, thus confers various health benefits to humans when they are frequently consumed in adequate amounts. The advent of functional food or the concept of nutraceuticals objectively places more emphasis on seeking alternatives to limit the use of medications thus promoting the regular consumption of fermented foods. Probiotic use has thus been recommended to fulfill the role of nutraceuticals, as no side effects on human health have been reported. Probiotics and lactic acid bacteria can boost and strengthen the human immune system, thereby increasing its resistance against numerous disease conditions. Consumer safety and confidence in dairy and fermented food products and the desire of the food industry to meet the sensory and health needs of consumers, has thus increased the demand for probiotic starter cultures with exceptional performance coupled with health benefiting properties. The potential of probiotic cultures and lactic acid bacteria in many industrial applications including fermented food products generally affects product characteristics and also serves as health-promoting foods for humans. The alleviation of lactose intolerance in many populations globally has been one of the widely accepted health claims attributed to probiotics and lactic acid bacteria, although many diseases have been treated with probiotic lactic acid bacteria and have been proven with scientific and clinical studies. The aim of our review was to present information related to lactic acid bacteria, the new classification and perspectives on industrial applications with a special emphasis on food safety and human health.
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27
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Tiwari SK, Dicks LMT, Popov IV, Karaseva A, Ermakov AM, Suvorov A, Tagg JR, Weeks R, Chikindas ML. Probiotics at War Against Viruses: What Is Missing From the Picture? Front Microbiol 2020; 11:1877. [PMID: 32973697 PMCID: PMC7468459 DOI: 10.3389/fmicb.2020.01877] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 07/16/2020] [Indexed: 01/07/2023] Open
Abstract
Our world is now facing a multitude of novel infectious diseases. Bacterial infections are treated with antibiotics, albeit with increasing difficulty as many of the more common causes of infection have now developed broad spectrum antimicrobial resistance. However, there is now an even greater challenge from both old and new viruses capable of causing respiratory, enteric, and urogenital infections. Reports of viruses resistant to frontline therapeutic drugs are steadily increasing and there is an urgent need to develop novel antiviral agents. Although this all makes sense, it seems rather strange that relatively little attention has been given to the antiviral capabilities of probiotics. Over the years, beneficial strains of lactic acid bacteria (LAB) have been successfully used to treat gastrointestinal, oral, and vaginal infections, and some can also effect a reduction in serum cholesterol levels. Some probiotics prevent gastrointestinal dysbiosis and, by doing so, reduce the risk of developing secondary infections. Other probiotics exhibit anti-tumor and immunomodulating properties, and in some studies, antiviral activities have been reported for probiotic bacteria and/or their metabolites. Unfortunately, the mechanistic basis of the observed beneficial effects of probiotics in countering viral infections is sometimes unclear. Interestingly, in COVID-19 patients, a clear decrease has been observed in cell numbers of Lactobacillus and Bifidobacterium spp., both of which are common sources of intestinal probiotics. The present review, specifically motivated by the need to implement effective new counters to SARS-CoV-2, focusses attention on viruses capable of co-infecting humans and other animals and specifically explores the potential of probiotic bacteria and their metabolites to intervene with the process of virus infection. The goal is to help to provide a more informed background for the planning of future probiotic-based antiviral research.
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Affiliation(s)
- Santosh Kumar Tiwari
- Department of Genetics, Maharshi Dayanand University, Rohtak, India,*Correspondence: Santosh Kumar Tiwari,
| | - Leon M. T. Dicks
- Department of Microbiology, Stellenbosch University, Stellenbosch, South Africa
| | - Igor V. Popov
- Center for Agro-Biotechnology, Faculty of Bioengineering and Veterinary Medicine, Don State Technical University, Rostov-on-Don, Russia
| | - Alena Karaseva
- Institute of Experimental Medicine, Saint Petersburg, Russia
| | - Alexey M. Ermakov
- Center for Agro-Biotechnology, Faculty of Bioengineering and Veterinary Medicine, Don State Technical University, Rostov-on-Don, Russia
| | - Alexander Suvorov
- Institute of Experimental Medicine, Saint Petersburg, Russia,Saint Petersburg State University, Saint Petersburg, Russia
| | | | - Richard Weeks
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, Brunswick, NJ, United States
| | - Michael L. Chikindas
- Center for Agro-Biotechnology, Faculty of Bioengineering and Veterinary Medicine, Don State Technical University, Rostov-on-Don, Russia,Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, Brunswick, NJ, United States
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28
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Metabolic Shift of an Isogenic Strain of Enterococcus faecalis 14, Deficient in Its Own Bacteriocin Synthesis, as Revealed by a Transcriptomic Analysis. Int J Mol Sci 2020; 21:ijms21134653. [PMID: 32629918 PMCID: PMC7369866 DOI: 10.3390/ijms21134653] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/19/2020] [Accepted: 06/29/2020] [Indexed: 01/07/2023] Open
Abstract
The production of antimicrobial molecules often involves complex biological pathways. This study aimed at understanding the metabolic and physiological networks of enterocin EntDD14-associated function, in the bacteriocinogenic strain, Enterococcus faecalis 14. A global and comparative transcriptomic study was carried out on E. faecalis 14 and its isogenic mutant Δbac, inactivated in genes coding for EntDD14. The in vitro ability to form biofilm on polystyrene plates was assessed by the crystal violet method, while the cytotoxicity on human colorectal adenocarcinoma Caco-2 cells was determined by the Cell Counting Kit-8. Transcriptomic data revealed that 71 genes were differentially expressed in both strains. As expected, genes coding for EntDD14 were downregulated in the Δbac mutant, whereas the other 69 genes were upregulated. Upregulated genes were associated with phage-related chromosomal islands, biofilm formation capability, resistance to environmental stresses, and metabolic reprogramming. Interestingly, the Δbac mutant showed an improved bacterial growth, a high capacity to form biofilm on inanimate surfaces and a very weak cytotoxicity level. These multiple metabolic rearrangements delineate a new line of defense to counterbalance the loss of EntDD14.
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Ladjouzi R, Lucau-Danila A, Benachour A, Drider D. A Leaderless Two-Peptide Bacteriocin, Enterocin DD14, Is Involved in Its Own Self-Immunity: Evidence and Insights. Front Bioeng Biotechnol 2020; 8:644. [PMID: 32671042 PMCID: PMC7332713 DOI: 10.3389/fbioe.2020.00644] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 05/26/2020] [Indexed: 12/28/2022] Open
Abstract
Enterocin DD14 (EntDD14) is a two-peptide leaderless bacteriocin produced by Enterococcus faecalis 14, a strain previously isolated from meconium. EntDD14 has a strong antibacterial activity against Gram-positive bacteria. Leaderless bacteriocins, unlike bacteriocins with leader peptides, are immediately active after their translation, and a producing strain has then to develop specific mechanisms to protect both intra and extracellular compartments. The in silico analysis of Ent. faecalis 14 genome allowed to locate downstream of structural ddAB genes, 8 other adjacent genes, designed ddCDEFGHIJ, which collectively may form three operons. To gain insights on immunity mechanisms of Ent. faecalis 14, mutant strains knocked out in ddAB genes encoding bacteriocin precursor peptides (Δbac) and/or ABC transporter (ΔddI) of EntDD14 were constructed and characterized. Importantly, Δbac mutant strains, from which structural ddAB genes were deleted, resulted unable to produce EntDD14 and sensitive to exogenous EntDD14 showing their involvement in the Ent. faecalis 14 immunity system. Moreover, the sensitivity of Δbac mutants appeared not to be associated with the down-regulation of ddCDEFGHIJ gene expression since they were similarly expressed in both Δbac and wild-type strains during the log phase while they were found significantly down-regulated in the Δbac mutant strain after 24 h of growth. Data gathered from this study suggest also the implication of the ABC transporter (ddHIJ) in the active export of EntDD14 but ruled-out its involvement in the primary self-immunity system. Interestingly, non-bacteriocin producing Ent. faecalis JH2-2 cells transformed with ddAB, or ddAB plus genes encoding the ABC transporter (ddAB-HIJ) did not produce EntDD14 and remained sensitive to its action. Of note, trans-complementation of the Δbac mutant strain with these constructions allowed to recover the WT phenotype. To the best of our knowledge, this is the first study delineating the role of the intracellular two-peptide leaderless bacteriocins in their self-immunity.
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Affiliation(s)
- Rabia Ladjouzi
- UMR Transfrontalière BioEcoAgro N° 1158, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
| | - Anca Lucau-Danila
- UMR Transfrontalière BioEcoAgro N° 1158, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
| | | | - Djamel Drider
- UMR Transfrontalière BioEcoAgro N° 1158, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
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30
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Ermolenko EI, Desheva YA, Kolobov AA, Kotyleva MP, Sychev IA, Suvorov AN. Anti-Influenza Activity of Enterocin B In vitro and Protective Effect of Bacteriocinogenic Enterococcal Probiotic Strain on Influenza Infection in Mouse Model. Probiotics Antimicrob Proteins 2020; 11:705-712. [PMID: 30143997 DOI: 10.1007/s12602-018-9457-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In spite of scientific evidence demonstrating the antiviral activity of lactic-acids bacteria, little is known about the mechanism of their action. Previously, several bacteriocins isolated from lactic acid bacteria (LAB) and some other microorganisms were reported as having antiviral activity in vitro. In the present study, chemically synthetized enterocin B (EntB) and the strain E. faecium L3, known as the producer of this peptide, were tested for activity against influenza viruses. The inhibition of cytopathic effect of А/Perth/16/2009(H3N2) and A/South Africa/3626/2013(H1N1) pdm influenza viruses in MDCK cells by chemically synthetized EntB was revealed. The EntB demonstrated antiviral activity at a concentration of 2.5-5 μg/ml depending on the dose of viruses. This peptide exhibited low toxicity in MDCK cells, causing partial damage of the monolayer of the cells only at a concentration above 10 μg/ml. It was also shown, that strain E. faecium L3-protected mice from lethal A/South Africa/3626/2013(H1N1) pdm infection. We speculate that this protective effect of enterococci may be associated with the specific action of enterocin B, which possesses antiviral activity in vitro.
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Affiliation(s)
- E I Ermolenko
- Institute of Experimental Medicine, 12 Academician Pavlov str., Saint Petersburg, 197376, Russia. .,Saint-Petersburg State University, 7-9 University Emb., Saint Petersburg, 199034, Russia.
| | - Y A Desheva
- Institute of Experimental Medicine, 12 Academician Pavlov str., Saint Petersburg, 197376, Russia.,Saint-Petersburg State University, 7-9 University Emb., Saint Petersburg, 199034, Russia
| | - A A Kolobov
- Institute of Highly Pure Biopreparations, Ministry of Public Health of the Russian Federation, 7 Pudozhsakya str., Saint Petersburg, 197110, Russia
| | - M P Kotyleva
- Institute of Experimental Medicine, 12 Academician Pavlov str., Saint Petersburg, 197376, Russia
| | - I A Sychev
- Institute of Experimental Medicine, 12 Academician Pavlov str., Saint Petersburg, 197376, Russia
| | - A N Suvorov
- Institute of Experimental Medicine, 12 Academician Pavlov str., Saint Petersburg, 197376, Russia.,Saint-Petersburg State University, 7-9 University Emb., Saint Petersburg, 199034, Russia
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31
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Treml J, Gazdová M, Šmejkal K, Šudomová M, Kubatka P, Hassan STS. Natural Products-Derived Chemicals: Breaking Barriers to Novel Anti-HSV Drug Development. Viruses 2020; 12:E154. [PMID: 32013134 PMCID: PMC7077281 DOI: 10.3390/v12020154] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/20/2020] [Accepted: 01/23/2020] [Indexed: 01/06/2023] Open
Abstract
Recently, the problem of viral infection, particularly the infection with herpes simplex virus type 1 (HSV-1) and type 2 (HSV-2), has dramatically increased and caused a significant challenge to public health due to the rising problem of drug resistance. The antiherpetic drug resistance crisis has been attributed to the overuse of these medications, as well as the lack of new drug development by the pharmaceutical industry due to reduced economic inducements and challenging regulatory requirements. Therefore, the development of novel antiviral drugs against HSV infections would be a step forward in improving global combat against these infections. The incorporation of biologically active natural products into anti-HSV drug development at the clinical level has gained limited attention to date. Thus, the search for new drugs from natural products that could enter clinical practice with lessened resistance, less undesirable effects, and various mechanisms of action is greatly needed to break the barriers to novel antiherpetic drug development, which, in turn, will pave the road towards the efficient and safe treatment of HSV infections. In this review, we aim to provide an up-to-date overview of the recent advances in natural antiherpetic agents. Additionally, this paper covers a large scale of phenolic compounds, alkaloids, terpenoids, polysaccharides, peptides, and other miscellaneous compounds derived from various sources of natural origin (plants, marine organisms, microbial sources, lichen species, insects, and mushrooms) with promising activities against HSV infections; these are in vitro and in vivo studies. This work also highlights bioactive natural products that could be used as templates for the further development of anti-HSV drugs at both animal and clinical levels, along with the potential mechanisms by which these compounds induce anti-HSV properties. Future insights into the development of these molecules as safe and effective natural anti-HSV drugs are also debated.
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Affiliation(s)
- Jakub Treml
- Department of Molecular Biology and Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, Palackého tř. 1946/1, 612 42 Brno, Czech Republic;
| | - Markéta Gazdová
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, Palackého tř. 1946/1, 612 42 Brno, Czech Republic; (M.G.); (K.Š.)
| | - Karel Šmejkal
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, Palackého tř. 1946/1, 612 42 Brno, Czech Republic; (M.G.); (K.Š.)
| | - Miroslava Šudomová
- Museum of Literature in Moravia, Klášter 1, 664 61 Rajhrad, Czech Republic;
| | - Peter Kubatka
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 036 01 Martin, Slovakia;
- Division of Oncology, Biomedical Center Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Sherif T. S. Hassan
- Department of Applied Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 6-Suchdol, 165 21 Prague, Czech Republic
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32
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Yang LB, Guo G, Zhao XY, Su PP, Fu P, Peng J, Xiu JF, Li BY. Antifungal Activity and Physicochemical Properties of a Novel Antimicrobial Protein AMP-17 from Musca domestica. Pol J Microbiol 2019; 68:383-390. [PMID: 31880884 PMCID: PMC7256848 DOI: 10.33073/pjm-2019-041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 08/01/2019] [Accepted: 08/04/2019] [Indexed: 12/18/2022] Open
Abstract
Antimicrobial peptides (AMPs) are cationic small peptide chains that have good antimicrobial activity against a variety of bacteria, fungi, and viruses. AMP-17 is a recombinant insect AMP obtained by a prokaryotic expression system. However, the full antifungal activity, physicochemical characteristics, and cytotoxicity of AMP-17 were previously unknown. AMP-17 was shown to have good antifungal activity against five pathogenic fungi, with minimum inhibitory concentrations (MIC) of 9.375-18.75 μg/ml, and minimum fungicidal concentrations (MFC) of 18.75-37.5 μg/ml. Notably, the antifungal activity of AMP-17 against Cryptococcus neoformans was superior to that of other Candida spp. In addition, the hemolytic rate of AMP-17 was only 1.47%, even at the high concentration of 16× MIC. AMP-17 was insensitive to temperature and high salt ion concentration, with temperatures of 98°C and -80°C, and NaCl and MgCl2 concentrations of 50-200 mmol/l, having no significant effect on antifungal activity. However, AMP-17 was sensitive to proteases, trypsin, pepsin, and proteinase K. The elucidation of antifungal activity, physicochemical properties and cytotoxicity of AMP-17 provided an experimental basis for its safety evaluation and application, as well as indicated that AMP-17 might be a promising drug. Antimicrobial peptides (AMPs) are cationic small peptide chains that have good antimicrobial activity against a variety of bacteria, fungi, and viruses. AMP-17 is a recombinant insect AMP obtained by a prokaryotic expression system. However, the full antifungal activity, physicochemical characteristics, and cytotoxicity of AMP-17 were previously unknown. AMP-17 was shown to have good antifungal activity against five pathogenic fungi, with minimum inhibitory concentrations (MIC) of 9.375–18.75 μg/ml, and minimum fungicidal concentrations (MFC) of 18.75–37.5 μg/ml. Notably, the antifungal activity of AMP-17 against Cryptococcus neoformans was superior to that of other Candida spp. In addition, the hemolytic rate of AMP-17 was only 1.47%, even at the high concentration of 16× MIC. AMP-17 was insensitive to temperature and high salt ion concentration, with temperatures of 98°C and –80°C, and NaCl and MgCl2 concentrations of 50–200 mmol/l, having no significant effect on antifungal activity. However, AMP-17 was sensitive to proteases, trypsin, pepsin, and proteinase K. The elucidation of antifungal activity, physicochemical properties and cytotoxicity of AMP-17 provided an experimental basis for its safety evaluation and application, as well as indicated that AMP-17 might be a promising drug.
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Affiliation(s)
- Long-Bing Yang
- School of Basic Medical Sciences, Guizhou Medical University , Guiyang , China ; Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University , Guiyang , China
| | - Guo Guo
- School of Basic Medical Sciences, Guizhou Medical University , Guiyang , China ; Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University , Guiyang , China
| | - Xin-Yu Zhao
- School of Basic Medical Sciences, Guizhou Medical University , Guiyang , China ; Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University , Guiyang , China
| | - Pei-Pei Su
- School of Basic Medical Sciences, Guizhou Medical University , Guiyang , China ; Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University , Guiyang , China
| | - Ping Fu
- School of Basic Medical Sciences, Guizhou Medical University , Guiyang , China
| | - Jian Peng
- Research Center of Medical Biotechnology Engineering, Guizhou Medical University , Guiyang , China
| | - Jiang-Fan Xiu
- School of Basic Medical Sciences, Guizhou Medical University , Guiyang , China
| | - Bo-Yan Li
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University , Guiyang , China ; School of Food Science, Guizhou Medical University , Guiyang , China
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33
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Stein T. Oxygen-Limiting Growth Conditions and Deletion of the Transition State Regulator Protein Abrb in Bacillus subtilis 6633 Result in an Increase in Subtilosin Production and a Decrease in Subtilin Production. Probiotics Antimicrob Proteins 2019; 12:725-731. [DOI: 10.1007/s12602-019-09547-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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34
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Guo N, Zhang B, Hu H, Ye S, Chen F, Li Z, Chen P, Wang C, He Q. Caerin1.1 Suppresses the Growth of Porcine Epidemic Diarrhea Virus In Vitro via Direct Binding to the Virus. Viruses 2018; 10:v10090507. [PMID: 30231560 PMCID: PMC6165370 DOI: 10.3390/v10090507] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 09/04/2018] [Accepted: 09/13/2018] [Indexed: 01/04/2023] Open
Abstract
Porcine epidemic diarrhea (PED) has re-emerged in recent years and has already caused huge economic losses to the porcine industry all over the world. Therefore, it is urgent for us to find out efficient ways to prevent and control this disease. In this study, the antiviral activity of a cationic amphibian antimicrobial peptide Caerin1.1 against porcine epidemic diarrhea virus (PEDV) was evaluated by an in vitro system using Vero cells. We found that even at a very low concentration, Caerin1.1 has the ability to destroy the integrity of the virus particles to block the release of the viruses, resulting in a considerable decrease in PEDV infections. In addition, Caerin1.1 showed powerful antiviral activity without interfering with the binding progress between PEDV and the receptor of the cells, therefore, it could be used as a potential antiviral drug or as a microbicide compound for prevention and control of PEDV.
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Affiliation(s)
- Nan Guo
- Division of Animal Infectious Diseases, State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Bingzhou Zhang
- Division of Animal Infectious Diseases, State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Han Hu
- Division of Animal Infectious Diseases, State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Shiyi Ye
- Division of Animal Infectious Diseases, State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Fangzhou Chen
- Division of Animal Infectious Diseases, State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Zhonghua Li
- Division of Animal Infectious Diseases, State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Pin Chen
- Division of Animal Infectious Diseases, State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Chunmei Wang
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture, Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China.
| | - Qigai He
- Division of Animal Infectious Diseases, State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
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Drider D, Bendali F, Naghmouchi K, Chikindas ML. Bacteriocins: Not Only Antibacterial Agents. Probiotics Antimicrob Proteins 2018; 8:177-182. [PMID: 27481236 DOI: 10.1007/s12602-016-9223-0] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This commentary was aimed at shedding light on the multifunction of bacteriocins mainly those produced by lactic acid bacteria. These antibacterial agents were first used to improve food safety and quality. With the increasing antibiotic resistance concern worldwide, they have been considered as viable agents to replace or potentiate the fading abilities of conventional antibiotics to control human pathogens. Bacteriocins were also shown to have potential as antiviral agents, plant protection agents, and anticancer agents. Bacteriocins were reported to be involved in shaping bacterial communities through inter- and intra-specific interactions, conferring therefore to producing strains a probiotic added value. Furthermore, bacteriocins recently were shown as molecules with a fundamental impact on the resilience and virulence of some pathogens.
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Affiliation(s)
- Djamel Drider
- Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394 - ICV - Institut Charles Viollette, 59000, Lille, France.
| | - Farida Bendali
- Laboratoire de Microbiologie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000, Bejaïa, Algeria
| | - Karim Naghmouchi
- Laboratoire des Microorganismes et Biomolécules Actives (LMBA), Faculté des Sciences de Tunis, Université El-Manar II 2092 El-Manar-II, Tunis, Tunisia
| | - Michael L Chikindas
- School of Environmental and Biological Sciences, Rutgers State University, New Brunswick, NJ, 08901, USA.,Center for Digestive Health, New Jersey Institute for Food, Nutrition and Health, New Brunswick, NJ, 08901, USA
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36
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Singh A, Vishwakarma V, Singhal B. Metabiotics: The Functional Metabolic Signatures of Probiotics: Current State-of-Art and Future Research Priorities—Metabiotics: Probiotics Effector Molecules. ACTA ACUST UNITED AC 2018. [DOI: 10.4236/abb.2018.94012] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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37
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Chikindas ML, Weeks R, Drider D, Chistyakov VA, Dicks LM. Functions and emerging applications of bacteriocins. Curr Opin Biotechnol 2017; 49:23-28. [PMID: 28787641 DOI: 10.1016/j.copbio.2017.07.011] [Citation(s) in RCA: 298] [Impact Index Per Article: 42.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 07/19/2017] [Accepted: 07/23/2017] [Indexed: 12/17/2022]
Abstract
Bacteriocins, defined as ribosomally synthesized antimicrobial peptides, have traditionally been used as food preservatives, either added or produced by starter cultures during fermentation. In-depth studies of a select few bacteriocins opened exiting new research fields and broadened the application of these antimicrobial peptides. The possibility of developing bacteriocins into next generation antibiotics, accompanied with the rapid development in genetics and nanotechnology, paves the way to even more fascinating applications such as novel carrier molecules (delivery systems) and the treatment of cancer. Also, some bacteriocins are found to regulate quorum sensing which suggests novel applications for this group of substances. While there is some interesting translational research on bacteriocins from Gram-negative bacteria, the majority of application-oriented studies are focused on bacteriocins from Gram-positive microorganisms, mostly lactic acid bacteria. The applications of bacteriocins are expanding from food to human health.
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Affiliation(s)
- Michael L Chikindas
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, 65 Dudley Road, New Brunswick, NJ 08901, USA; Center for Digestive Health, New Jersey Institute for Food, Nutrition and Health, 61 Dudley Road, New Brunswick, NJ 08901, USA.
| | - Richard Weeks
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, 65 Dudley Road, New Brunswick, NJ 08901, USA
| | - Djamel Drider
- Université de Lille, EA 7394 - ICV - Institut Charles Viollette, 59000 Lille, France
| | - Vladimir A Chistyakov
- D. I. Ivanovsky Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don 344090, Prospekt Stachki 194/1, Russia
| | - Leon Mt Dicks
- Department of Microbiology, Stellenbosch University, 7600 Stellenbosch, South Africa
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Quintero-Gil C, Parra-Suescún J, Lopez-Herrera A, Orduz S. In-silico design and molecular docking evaluation of peptides derivatives from bacteriocins and porcine beta defensin-2 as inhibitors of Hepatitis E virus capsid protein. Virusdisease 2017; 28:281-288. [PMID: 29291214 DOI: 10.1007/s13337-017-0383-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 05/29/2017] [Indexed: 02/06/2023] Open
Abstract
Hepatitis E virus (HEV) is considered the main etiological agent that causes acute hepatitis. It is estimated that 20 million cases occur annually worldwide, reaching mortality rates of 28% in pregnant women. To date, available treatments and vaccines have not been entirely effective. In this study, six antiviral peptides derived from the sequences of porcine Beta-Defensin-2 and bacteriocins Nisin and Subtilosin were generate using in silico tools in order to propose new antiviral agents. Through the use of molecular docking, interactions between the HEV capsid protein and the six new antiviral peptide candidates were evaluated. A peptide of 15 residues derived from Subtilosin showed the best docking energy (-7.0 kcal/mol) with the capsid protein. This is the first report to our knowledge involving a non-well study viral protein interacting with peptides susceptibles to being synthesized, and that could be subsequently evaluated in vitro; moreover, this study provide novel information on the nature of the dimerization pocket of the HEV capsid protein, and could help to understand the first steps in the viral replication cycle, needed for the virus entry to the host cell.
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Affiliation(s)
- Carolina Quintero-Gil
- Escuela de Biociencias, Grupo Biología Funcional, Universidad Nacional de Colombia, Sede Medellín, Calle 59A # 63-20, Medellín, Colombia
| | - Jaime Parra-Suescún
- Facultad de Ciencias Agrarias, Grupo Biodiversidad y Genética Molecular (BIOGEM), Universidad Nacional de Colombia, Sede Medellín, Calle 59A # 63-20, Medellín, Colombia
| | - Albeiro Lopez-Herrera
- Facultad de Ciencias Agrarias, Grupo Biodiversidad y Genética Molecular (BIOGEM), Universidad Nacional de Colombia, Sede Medellín, Calle 59A # 63-20, Medellín, Colombia
| | - Sergio Orduz
- Escuela de Biociencias, Grupo Biología Funcional, Universidad Nacional de Colombia, Sede Medellín, Calle 59A # 63-20, Medellín, Colombia
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Nikiforova OA, Klykov S, Volski A, Dicks LMT, Chikindas ML. Subtilosin A production by Bacillus subtilis KATMIRA1933 and colony morphology are influenced by the growth medium. ANN MICROBIOL 2015. [DOI: 10.1007/s13213-015-1149-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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40
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Chew MF, Tham HW, Rajik M, Sharifah S. Anti-dengue virus serotype 2 activity and mode of action of a novel peptide. J Appl Microbiol 2015; 119:1170-80. [DOI: 10.1111/jam.12921] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/07/2015] [Accepted: 07/21/2015] [Indexed: 11/27/2022]
Affiliation(s)
- M.-F. Chew
- Virus-Host Interaction Group; Infectious Disease Laboratory (MR3); Jeffrey Cheah School of Medicine and Health Sciences; Monash University Malaysia; Selangor Malaysia
| | - H.-W. Tham
- Virus-Host Interaction Group; Infectious Disease Laboratory (MR3); Jeffrey Cheah School of Medicine and Health Sciences; Monash University Malaysia; Selangor Malaysia
| | - M. Rajik
- Synamatix Sdn. Bhd.; Chemistry Lab 4; Enterprise 2; Technology Park Malaysia; Kuala Lumpur Malaysia
| | - S.H. Sharifah
- Virus-Host Interaction Group; Infectious Disease Laboratory (MR3); Jeffrey Cheah School of Medicine and Health Sciences; Monash University Malaysia; Selangor Malaysia
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41
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Purification and characterization of a novel bacteriocin CAMT2 produced by Bacillus amyloliquefaciens isolated from marine fish Epinephelus areolatus. Food Control 2015. [DOI: 10.1016/j.foodcont.2014.11.038] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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