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Čanak I, Kostelac D, Jakopović Ž, Markov K, Frece J. Lactic Acid Bacteria of Marine Origin as a Tool for Successful Shellfish Farming and Adaptation to Climate Change Conditions. Foods 2024; 13:1042. [PMID: 38611348 PMCID: PMC11011843 DOI: 10.3390/foods13071042] [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: 02/29/2024] [Revised: 03/21/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
Climate change, especially in the form of temperature increase and sea acidification, poses a serious challenge to the sustainability of aquaculture and shellfish farming. In this context, lactic acid bacteria (LAB) of marine origin have attracted attention due to their ability to improve water quality, stimulate the growth and immunity of organisms, and reduce the impact of stress caused by environmental changes. Through a review of relevant research, this paper summarizes previous knowledge on this group of bacteria, their application as protective probiotic cultures in mollusks, and also highlights their potential in reducing the negative impacts of climate change during shellfish farming. Furthermore, opportunities for further research and implementation of LAB as a sustainable and effective solution for adapting mariculture to changing climate conditions were identified.
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Affiliation(s)
| | | | | | | | - Jadranka Frece
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10 000 Zagreb, Croatia; (I.Č.); (D.K.); (K.M.)
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Cheng Y, Lou H, He H, He X, Wang Z, Gao X, Liu J. Genomic and biological control of Sclerotinia sclerotiorum using an extracellular extract from Bacillus velezensis 20507. Front Microbiol 2024; 15:1385067. [PMID: 38596383 PMCID: PMC11002150 DOI: 10.3389/fmicb.2024.1385067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Accepted: 03/12/2024] [Indexed: 04/11/2024] Open
Abstract
Introduction Sclerotinia sclerotiorum is a known pathogen that harms crops and vegetables. Unfortunately, there is a lack of effective biological control measures for this pathogen. Bacillus velezensis 20507 has a strong antagonistic effect on S. Sclerotiorum; however, the biological basis of its antifungal effect is not fully understood. Methods In this study, the broad-spectrum antagonistic microorganisms of B. velezensis 20507 were investigated, and the active antifungal ingredients in this strain were isolated, purified, identified and thermal stability experiments were carried out to explore its antifungal mechanism. Results The B. velezensis 20507 genome comprised one circular chromosome with a length of 4,043,341 bp, including 3,879 genes, 185 tandem repeats, 87 tRNAs, and 27 rRNAs. Comparative genomic analysis revealed that our sequenced strain had the closest genetic relationship with Bacillus velezensis (GenBank ID: NC 009725.2); however, there were significant differences in the positions of genes within the two genomes. It is predicted that B. velezensis 20507 encode 12 secondary metabolites, including difficidin, macrolactin H, fengycin, surfactin, bacillibactin, bacillothiazole A-N, butirosin a/b, and bacillaene. Results showed that B. velezensis 20507 produced various antagonistic effects on six plant pathogen strains: Exserohilum turcicum, Pyricularia oryzae, Fusarium graminearum, Sclerotinia sclerotiorum, Fusarium oxysporum, and Fusarium verticillioides. Acid precipitation followed by 80% methanol leaching is an effective method for isolating the antifungal component ME80 in B. velezensis 20507, which can damage the membranes of S. sclerotiorum hyphae and has good heat resistance. Using high-performance liquid chromatography, and Mass Spectrometry analysis, it is believed that fengycin C72H110N12O20 is the main active antifungal substance. Discussion This study provides new resources for the biological control of S. Sclerotiorum in soybeans and a theoretical basis for further clarification of the mechanism of action of B. velezensis 20507.
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Affiliation(s)
- Yunqing Cheng
- Jilin Provincial Key Laboratory of Plant Resource Science and Green Production, Jilin Normal University, Siping, Jilin, China
| | - Hanxiao Lou
- Jilin Provincial Key Laboratory of Plant Resource Science and Green Production, Jilin Normal University, Siping, Jilin, China
| | - Hongli He
- Jilin Provincial Key Laboratory of Plant Resource Science and Green Production, Jilin Normal University, Siping, Jilin, China
| | - Xinyi He
- Jilin Provincial Key Laboratory of Plant Resource Science and Green Production, Jilin Normal University, Siping, Jilin, China
| | - Zicheng Wang
- Department of Microbiology, Oregon State University, Corvallis, OR, United States
| | - Xin Gao
- Jilin Provincial Key Laboratory of Plant Resource Science and Green Production, Jilin Normal University, Siping, Jilin, China
| | - Jianfeng Liu
- Jilin Provincial Key Laboratory of Plant Resource Science and Green Production, Jilin Normal University, Siping, Jilin, China
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Zhang K, Liu S, Liang S, Xiang F, Wang X, Lian H, Li B, Liu F. Exopolysaccharides of lactic acid bacteria: Structure, biological activity, structure-activity relationship, and application in the food industry: A review. Int J Biol Macromol 2024; 257:128733. [PMID: 38092118 DOI: 10.1016/j.ijbiomac.2023.128733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 11/02/2023] [Accepted: 12/08/2023] [Indexed: 12/23/2023]
Abstract
Over the past few decades, researchers have discovered that probiotics play an important role in our daily lives. With the further deepening of research, more and more evidence show that bacterial metabolites have an important role in food and human health, which opens up a new direction for the research of lactic acid bacteria (LAB) in the food and pharmaceutical industry. Many LAB have been widely studied because of the ability of exopolysaccharides (EPS). Lactic acid bacteria exopolysaccharides (LAB EPS) not only have great potential in the treatment of human diseases but also can become natural ingredients in the food industry to provide special qualitative structure and flavor. This paper has organized and summarized the biosynthesis, strain selection, production process parameters, structure, and biological activity of LAB EPS, filling in the monotony and incompleteness of previous articles' descriptions of LAB EPS. Therefore, this paper focuses on the general biosynthetic pathway, structural characterization, structure-activity relationship, biological activity of LAB EPS, and their application in the food industry, which will help to deepen people's understanding of LAB EPS and develop new active drugs from LAB EPS. Although the research results are relatively affluent, the low yield, complex structure, and few clinical trials of EPS are still the reasons that hinder its development. Therefore, future knowledge expansion should focus on the regulation of structure, physicochemical properties, function, higher production of EPS, and clinical trial applications, which can further increase the commercial significance and value of EPS. Furthermore, better understanding the structure-function relationship of EPS in food remains a challenge to date.
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Affiliation(s)
- Kangyong Zhang
- Food College, Northeast Agricultural University, Harbin 150030, China
| | - Sibo Liu
- Food College, Northeast Agricultural University, Harbin 150030, China
| | - Shengnan Liang
- Food College, Northeast Agricultural University, Harbin 150030, China
| | - Fangqin Xiang
- Food College, Northeast Agricultural University, Harbin 150030, China
| | - Xiaodong Wang
- Food College, Northeast Agricultural University, Harbin 150030, China
| | - Huiqiang Lian
- Guangdong Jinhaikang Medical Nutrition Co., Ltd, Meizhou, China
| | - Bailiang Li
- Food College, Northeast Agricultural University, Harbin 150030, China.
| | - Fei Liu
- Food College, Northeast Agricultural University, Harbin 150030, China.
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Castellano P, Melian C, Burgos C, Vignolo G. Bioprotective cultures and bacteriocins as food preservatives. ADVANCES IN FOOD AND NUTRITION RESEARCH 2023; 106:275-315. [PMID: 37722775 DOI: 10.1016/bs.afnr.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
Food preservation technologies face the challenge of extending product shelf life applying different factors to prevent the microbiological spoilage of food and inhibit/inactivate food borne pathogens maintaining or even enhancing its quality. One such preservation strategy is the application of bacteriocins or bacteriocin-producer cultures as a kind of food biopreservation. Bacteriocins are ribosomally synthesized small polypeptide molecules that exert antagonistic activity against closely related and unrelated bacteria without harming the producing strain by specific immunity proteins. This chapter aims to contribute to current knowledge about innovative natural preservative agents and their application in the food industry. Specifically, its purpose is to analyze the classification of bacteriocins from lactic acid bacteria (LAB), desirable characteristics of bacteriocins that position them in a privileged place in food biopreservation technology, their success story as well as the bacteriocinogenic LAB in various food systems. Finally, challenges and barrier strategies used to enhance the efficiency of the bacteriocins antimicrobial effect are presented in this chapter.
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Affiliation(s)
- Patricia Castellano
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina.
| | - Constanza Melian
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina
| | - Carla Burgos
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina
| | - Graciela Vignolo
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina
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5
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Ovchinnikov KV, Kranjec C, Thorstensen T, Carlsen H, Diep DB. Bacteriocins Revitalize Non-Effective Penicillin G to Overcome Methicillin-Resistant Staphylococcus pseudintermedius. Antibiotics (Basel) 2022; 11:antibiotics11121691. [PMID: 36551348 PMCID: PMC9774949 DOI: 10.3390/antibiotics11121691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/15/2022] [Accepted: 11/19/2022] [Indexed: 11/25/2022] Open
Abstract
The rise of antibiotic-resistant bacteria is among the biggest challenges in human and veterinary medicine. One of the major factors that contributes to resistance is use of frontline clinical antibiotics in veterinary practices. To avoid this problem, searching for antimicrobials aimed at veterinary applications is becoming especially important. Thiopeptide micrococcin P1 and leaderless peptide EntEJ97s are two different bacteriocins that are very active against many gram-positive bacteria; however, sensitive bacteria can rapidly develop resistance towards those bacteriocins. To overcome this problem, we searched for synergy between those bacteriocins and conventional antibiotics against methicillin-resistant Staphylococcus pseudintermedius (MRSP): a common pathogen in animal skin infections. The two bacteriocins acted synergistically with each other and with penicillin G against MRSP clinical isolates in both planktonic and biofilm assays; they also prevented resistance development. The therapeutic potential was further validated in a murine skin infection model that showed that a combination of micrococcin P1, EntEJ97s and penicillin G reduced cell-forming units of MRSP by 2-log10 CFU/g. Taken together, our data show that a combination of bacteriocins with conventional antibiotics can not only prevent resistance development but also pave the way to revitalize some old, less useful antibiotics, such as penicillin, which by itself has no effect on methicillin-resistant pathogens.
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Affiliation(s)
- Kirill V. Ovchinnikov
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, 1430 Ås, Norway
| | - Christian Kranjec
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, 1430 Ås, Norway
| | - Tage Thorstensen
- Department of Plant Molecular Biology, Norwegian Institute of Bioeconomy Research, 1431 Ås, Norway
- AgriBiotix AS, 1433 Ås, Norway
| | - Harald Carlsen
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, 1430 Ås, Norway
| | - Dzung B. Diep
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, 1430 Ås, Norway
- Correspondence:
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Dini I, De Biasi MG, Mancusi A. An Overview of the Potentialities of Antimicrobial Peptides Derived from Natural Sources. Antibiotics (Basel) 2022; 11:1483. [PMID: 36358138 PMCID: PMC9686932 DOI: 10.3390/antibiotics11111483] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/20/2022] [Accepted: 10/21/2022] [Indexed: 07/21/2023] Open
Abstract
Antimicrobial peptides (AMPs) are constituents of the innate immune system in every kind of living organism. They can act by disrupting the microbial membrane or without affecting membrane stability. Interest in these small peptides stems from the fear of antibiotics and the emergence of microorganisms resistant to antibiotics. Through membrane or metabolic disruption, they defend an organism against invading bacteria, viruses, protozoa, and fungi. High efficacy and specificity, low drug interaction and toxicity, thermostability, solubility in water, and biological diversity suggest their applications in food, medicine, agriculture, animal husbandry, and aquaculture. Nanocarriers can be used to protect, deliver, and improve their bioavailability effectiveness. High cost of production could limit their use. This review summarizes the natural sources, structures, modes of action, and applications of microbial peptides in the food and pharmaceutical industries. Any restrictions on AMPs' large-scale production are also taken into consideration.
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Affiliation(s)
- Irene Dini
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy
| | | | - Andrea Mancusi
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Via Salute 2, 80055 Portici, Italy
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Lahiri D, Nag M, Dutta B, Sarkar T, Pati S, Basu D, Abdul Kari Z, Wei LS, Smaoui S, Wen Goh K, Ray RR. Bacteriocin: A natural approach for food safety and food security. Front Bioeng Biotechnol 2022; 10:1005918. [PMID: 36353741 PMCID: PMC9637989 DOI: 10.3389/fbioe.2022.1005918] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/05/2022] [Indexed: 08/27/2023] Open
Abstract
The call to cater for the hungry is a worldwide problem in the 21st century. Food security is the utmost prime factor for the increasing demand for food. Awareness of human health when using chemical preservatives in food has increased, resulting in the use of alternative strategies for preserving food and enhancing its shelf-life. New preservatives along with novel preservation methods have been instigated, due to the intensified demand for extended shelf-life, along with prevention of food spoilage of dairy products. Bacteriocins are the group of ribosomally synthesized antimicrobial peptides; they possess a wide range of biological activities, having predominant antibacterial activity. The bacteriocins produced by the lactic acid bacteria (LAB) are considered to be of utmost importance, due to their association with the fermentation of food. In recent times among various groups of bacteriocins, leaderless and circular bacteriocins are gaining importance, due to their extensive application in industries. These groups of bacteriocins have been least studied as they possess peculiar structural and biosynthetic mechanisms. They chemically possess N-to-C terminal covalent bonds having a predominant peptide background. The stability of the bacteriocins is exhibited by the circular structure. Up till now, very few studies have been performed on the molecular mechanisms. The structural genes associated with the bacteriocins can be combined with the activity of various proteins which are association with secretion and maturation. Thus the stability of the bacteriocins can be used effectively in the preservation of food for a longer period of time. Bacteriocins are thermostable, pH-tolerant, and proteolytically active in nature, which make their usage convenient to the food industry. Several research studies are underway in the domain of biopreservation which can be implemented in food safety and food security.
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Affiliation(s)
- Dibyajit Lahiri
- Department of Biotechnology, University of Engineering and Management, Kolkata, India
| | - Moupriya Nag
- Department of Biotechnology, University of Engineering and Management, Kolkata, India
| | - Bandita Dutta
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Kolkata, India
| | - Tanmay Sarkar
- Department of Food Processing Technology, Malda Polytechnic, West Bengal State Council of Technical Education, Govt of West Bengal, Malda, India
| | - Siddhartha Pati
- NatNov Bioscience Private Limited, Balasore, India
- Skills Innovation and Academic Network (SIAN) Institute, Association for Biodiversity Conservation and Research (ABC), Balasore, India
| | - Debarati Basu
- Department of Biotechnology, University of Engineering and Management, Kolkata, India
| | - Zulhisyam Abdul Kari
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, Kelantan, Malaysia
| | - Lee Seong Wei
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, Kelantan, Malaysia
| | - Slim Smaoui
- Laboratory of Microorganisms and Biomolecules, Center of Biotechnology of Sfax, Sfax, Tunisia
| | - Khang Wen Goh
- Faculty of Data Science and Information Technology, INTI International University, Nilai, Malaysia
| | - Rina Rani Ray
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Kolkata, India
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Perez RH, Zendo T, Sonomoto K. Multiple bacteriocin production in lactic acid bacteria. J Biosci Bioeng 2022; 134:277-287. [DOI: 10.1016/j.jbiosc.2022.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 11/30/2022]
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9
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Ovchinnikov KV, Oftedal TF, Reich SJ, Bar NS, Holo H, Skaugen M, Riedel CU, Diep DB. Genome-assisted Identification, Purification, and Characterization of Bacteriocins. Bio Protoc 2022; 12:e4477. [PMID: 35978579 PMCID: PMC9350922 DOI: 10.21769/bioprotoc.4477] [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: 04/19/2022] [Revised: 06/15/2022] [Accepted: 06/20/2022] [Indexed: 12/29/2022] Open
Abstract
Bacteriocins are antimicrobial peptides with activity against antibiotic resistant bacterial pathogens. Here, we describe a set of methods aimed at purifying, identifying, and characterizing new bacteriocins. The purification consists of ammonium sulphate precipitation, cation-exchange chromatography, and reversed-phase chromatography. The yield of the bacteriocin is quantified by bacteriocin antimicrobial activity in a microtiter plate assay after each purification step. The mass of the purified bacteriocin is assessed by MALDI TOF MS analysis of the active fractions after reversed-phase chromatography. The mass is compared with the theoretical mass based on genetic information from the whole genome sequencing of the bacteriocin producer strain. Physicochemical characterization is performed by assessing antimicrobial activity following heat and protease treatments. Fluorescent techniques are used to examine the capacity of the bacteriocin to disrupt membrane integrity. Herein a set of protocols for purification and characterization of the bacteriocin nisin Z is used as a typical example in this paper.
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Affiliation(s)
- Kirill V. Ovchinnikov
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Thomas F. Oftedal
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Sebastian J. Reich
- Institute of Microbiology and Biotechnology, Ulm University, Ulm, Germany
| | - Nadav S. Bar
- Department of Chemical Engineering, Norwegian University of Science and Technology, Trondheim, Norway
| | - Helge Holo
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Morten Skaugen
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | | | - Dzung B. Diep
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
,
*For correspondence:
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Application of Lactic Acid Bacteria (LAB) in Sustainable Agriculture: Advantages and Limitations. Int J Mol Sci 2022; 23:ijms23147784. [PMID: 35887142 PMCID: PMC9322495 DOI: 10.3390/ijms23147784] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 02/01/2023] Open
Abstract
Lactic acid bacteria (LAB) are significant groups of probiotic organisms in fermented food and are generally considered safe. LAB regulate soil organic matter and the biochemical cycle, detoxify hazardous chemicals, and enhance plant health. They are found in decomposing plants, traditional fermented milk products, and normal human gastrointestinal and vaginal flora. Exploring LAB identified in unknown niches may lead to isolating unique species. However, their classification is quite complex, and they are adapted to high sugar concentrations and acidic environments. LAB strains are considered promising candidates for sustainable agriculture, and they promote soil health and fertility. Therefore, they have received much attention regarding sustainable agriculture. LAB metabolites promote plant growth and stimulate shoot and root growth. As fertilizers, LAB can promote biodegradation, accelerate the soil organic content, and produce organic acid and bacteriocin metabolites. However, LAB show an antagonistic effect against phytopathogens, inhibiting fungal and bacterial populations in the rhizosphere and phyllosphere. Several studies have proposed the LAB bioremediation efficiency and detoxification of heavy metals and mycotoxins. However, LAB genetic manipulation and metabolic engineered tools provide efficient cell factories tailor-made to produce beneficial industrial and agro-products. This review discusses lactic acid bacteria advantages and limitations in sustainable agricultural development.
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Lopes BS, Hanafiah A, Nachimuthu R, Muthupandian S, Md Nesran ZN, Patil S. The Role of Antimicrobial Peptides as Antimicrobial and Antibiofilm Agents in Tackling the Silent Pandemic of Antimicrobial Resistance. Molecules 2022; 27:molecules27092995. [PMID: 35566343 PMCID: PMC9105241 DOI: 10.3390/molecules27092995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 01/11/2023] Open
Abstract
Just over a million people died globally in 2019 due to antibiotic resistance caused by ESKAPE pathogens (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species). The World Health Organization (WHO) also lists antibiotic-resistant Campylobacter and Helicobacter as bacteria that pose the greatest threat to human health. As it is becoming increasingly difficult to discover new antibiotics, new alternatives are needed to solve the crisis of antimicrobial resistance (AMR). Bacteria commonly found in complex communities enclosed within self-produced matrices called biofilms are difficult to eradicate and develop increased stress and antimicrobial tolerance. This review summarises the role of antimicrobial peptides (AMPs) in combating the silent pandemic of AMR and their application in clinical medicine, focusing on both the advantages and disadvantages of AMPs as antibiofilm agents. It is known that many AMPs display broad-spectrum antimicrobial activities, but in a variety of organisms AMPs are not stable (short half-life) or have some toxic side effects. Hence, it is also important to develop new AMP analogues for their potential use as drug candidates. The use of one health approach along with developing novel therapies using phages and breakthroughs in novel antimicrobial peptide synthesis can help us in tackling the problem of AMR.
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Affiliation(s)
- Bruno S. Lopes
- Department of Medical Microbiology, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen AB25 2ZD, UK
- Correspondence: (B.S.L.); (A.H.)
| | - Alfizah Hanafiah
- Department of Medical Microbiology and Immunology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia;
- Correspondence: (B.S.L.); (A.H.)
| | - Ramesh Nachimuthu
- Antibiotic Resistance and Phage Therapy Laboratory, Department of Biomedical Sciences, Vellore Institute of Technology, School of Bioscience and Technology, Vellore 632014, India;
| | - Saravanan Muthupandian
- AMR and Nanotherapeutics Laboratory, Department of Pharmacology, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College, Chennai 600077, India;
| | - Zarith Nameyrra Md Nesran
- Department of Medical Microbiology and Immunology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia;
| | - Sandip Patil
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen 518038, China;
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12
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Dewi G, Kollanoor Johny A. Lactobacillus in Food Animal Production—A Forerunner for Clean Label Prospects in Animal-Derived Products. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.831195] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Lactobacillus, the largest genus within the lactic acid bacteria group, has served diverse roles in improving the quality of foods for centuries. The heterogeneity within this genus has resulted in the industry's continued use of their well-known functions and exploration of novel applications. Moreover, the perceived health benefits in many applications have also made them fond favorites of consumers and researchers alike. Their familiarity lends to their utility in the growing “clean label” movement, of which consumers prefer fewer additions to the food label and opt for recognizable and naturally-derived substances. Our review primarily focuses on the historical use of lactobacilli for their antimicrobial functionality in improving preharvest safety, a critical step to validate their role as biocontrol agents and antibiotic alternatives in food animal production. We also explore their potential as candidates catering to the consumer-driven demand for more authentic, transparent, and socially responsible labeling of animal products.
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Darbandi A, Asadi A, Mahdizade Ari M, Ohadi E, Talebi M, Halaj Zadeh M, Darb Emamie A, Ghanavati R, Kakanj M. Bacteriocins: Properties and potential use as antimicrobials. J Clin Lab Anal 2021; 36:e24093. [PMID: 34851542 PMCID: PMC8761470 DOI: 10.1002/jcla.24093] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/03/2021] [Accepted: 10/24/2021] [Indexed: 12/12/2022] Open
Abstract
A variety of bacteriocins originate from lactic acid bacteria, which have recently been modified by scientists. Many strains of lactic acid bacteria related to food groups could produce bacteriocins or antibacterial proteins highly effective against foodborne pathogens such as Staphylococcus aureus, Pseudomonas fluorescens, P. aeruginosa, Salmonella typhi, Shigella flexneri, Listeria monocytogenes, Escherichia coli O157:H7, and Clostridium botulinum. A wide range of bacteria belonging primarily to the genera Bifidobacterium and Lactobacillus have been characterized with different health‐promoting attributes. Extensive studies and in‐depth understanding of these antimicrobials mechanisms of action could enable scientists to determine their production in specific probiotic lactic acid bacteria, as they are potentially crucial for the final preservation of functional foods or for medicinal applications. In this review study, the structure, classification, mode of operation, safety, and antibacterial properties of bacteriocins as well as their effect on foodborne pathogens and antibiotic‐resistant bacteria were extensively studied.
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Affiliation(s)
- Atieh Darbandi
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Arezoo Asadi
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Marzieh Mahdizade Ari
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Elnaz Ohadi
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Malihe Talebi
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Masoume Halaj Zadeh
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Amir Darb Emamie
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Maryam Kakanj
- Food and Drug Laboratory Research Center, Food and Drug Administration, MOH&ME, Tehran, Iran
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Bin Hafeez A, Jiang X, Bergen PJ, Zhu Y. Antimicrobial Peptides: An Update on Classifications and Databases. Int J Mol Sci 2021; 22:11691. [PMID: 34769122 PMCID: PMC8583803 DOI: 10.3390/ijms222111691] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/24/2021] [Accepted: 10/25/2021] [Indexed: 02/06/2023] Open
Abstract
Antimicrobial peptides (AMPs) are distributed across all kingdoms of life and are an indispensable component of host defenses. They consist of predominantly short cationic peptides with a wide variety of structures and targets. Given the ever-emerging resistance of various pathogens to existing antimicrobial therapies, AMPs have recently attracted extensive interest as potential therapeutic agents. As the discovery of new AMPs has increased, many databases specializing in AMPs have been developed to collect both fundamental and pharmacological information. In this review, we summarize the sources, structures, modes of action, and classifications of AMPs. Additionally, we examine current AMP databases, compare valuable computational tools used to predict antimicrobial activity and mechanisms of action, and highlight new machine learning approaches that can be employed to improve AMP activity to combat global antimicrobial resistance.
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Affiliation(s)
- Ahmer Bin Hafeez
- Centre of Biotechnology and Microbiology, University of Peshawar, Peshawar 25120, Pakistan;
| | - Xukai Jiang
- Infection and Immunity Program, Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; (X.J.); (P.J.B.)
- National Glycoengineering Research Center, Shandong University, Qingdao 266237, China
| | - Phillip J. Bergen
- Infection and Immunity Program, Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; (X.J.); (P.J.B.)
| | - Yan Zhu
- Infection and Immunity Program, Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; (X.J.); (P.J.B.)
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15
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Wang Y, Wu J, Lv M, Shao Z, Hungwe M, Wang J, Bai X, Xie J, Wang Y, Geng W. Metabolism Characteristics of Lactic Acid Bacteria and the Expanding Applications in Food Industry. Front Bioeng Biotechnol 2021; 9:612285. [PMID: 34055755 PMCID: PMC8149962 DOI: 10.3389/fbioe.2021.612285] [Citation(s) in RCA: 147] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 04/16/2021] [Indexed: 12/31/2022] Open
Abstract
Lactic acid bacteria are a kind of microorganisms that can ferment carbohydrates to produce lactic acid, and are currently widely used in the fermented food industry. In recent years, with the excellent role of lactic acid bacteria in the food industry and probiotic functions, their microbial metabolic characteristics have also attracted more attention. Lactic acid bacteria can decompose macromolecular substances in food, including degradation of indigestible polysaccharides and transformation of undesirable flavor substances. Meanwhile, they can also produce a variety of products including short-chain fatty acids, amines, bacteriocins, vitamins and exopolysaccharides during metabolism. Based on the above-mentioned metabolic characteristics, lactic acid bacteria have shown a variety of expanded applications in the food industry. On the one hand, they are used to improve the flavor of fermented foods, increase the nutrition of foods, reduce harmful substances, increase shelf life, and so on. On the other hand, they can be used as probiotics to promote health in the body. This article reviews and prospects the important metabolites in the expanded application of lactic acid bacteria from the perspective of bioengineering and biotechnology.
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Affiliation(s)
- Yaqi Wang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Jiangtao Wu
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Mengxin Lv
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Zhen Shao
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Meluleki Hungwe
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Jinju Wang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Xiaojia Bai
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Jingli Xie
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Yanping Wang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Weitao Geng
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
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16
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Developing a functional lozenge with microencapsulated Lactiplantibacillus pentosus to improve oral and dental health. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.100883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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17
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Vachher M, Sen A, Kapila R, Nigam A. Microbial therapeutic enzymes: A promising area of biopharmaceuticals. CURRENT RESEARCH IN BIOTECHNOLOGY 2021. [DOI: 10.1016/j.crbiot.2021.05.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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18
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Tanhaieian A, Pourgonabadi S, Akbari M, Mohammadipour HS. The effective and safe method for preventing and treating bacteria-induced dental diseases by herbal plants and a recombinant peptide. J Clin Exp Dent 2020; 12:e523-e532. [PMID: 32665810 PMCID: PMC7335610 DOI: 10.4317/jced.55717] [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: 03/15/2019] [Accepted: 06/12/2019] [Indexed: 11/15/2022] Open
Abstract
Background This study was conducted aimed at evaluating the antibacterial property of the recombinant peptide of bacteriocin entrocin P (EnP), the essential oil of Cuminum cyminum, and the extract of Ferulago angulata on some oral pathogens. Besides, the cytotoxicity of EnP was evaluated.
Material and Methods The antimicrobial property was tested on streptococcus mutans (ATCC 35668), streptococcus salivarius (ATCC 9222), streptococcus oralis (ATCC 35037), and Enterococcus faecalis (ATCC 29212), using the microbroth dilution method. The 0.2% Chlorhexidin (CHX) mouthwash was used as the control group. Besides, the cytotoxicity analysis was done on gingival fibroblasts by the MTT colorimetric method. The data were reported using descriptive methods, and analyzed by one-way ANOVA, and Tukey’s HSD test.
Results The strongest bacteriostatic and bactericidal effects of C. cyminum and F. angulata were observed for S.mutans and S. oralis, respectively (with the MIC and MBC value being 62.5 μg/mL). The antibacterial properties of EnP were comparable to those of CHX, being several times stronger than medicinal plants (1-14 μg/mL). Based on the cytotoxicity evaluation, there was no statistically significant difference observed between the cytotoxicity of the control group and that of Enp for three evaluations, except after 72 hours when the cell viability at the concentration of 3.75 µg/ml was significantly lower than that of the control group (P=0.05). However, no concentration of EnP was observed to be over 50% of the growth inhibition (IC50) of the fibroblasts for the three evaluations.
Conclusions EnP could be utilized in dental materials as a natural and safe antimicrobial agent against oral streptococci and E. faecalis, being as effective as CHX mouthwash. Key words:Antimicrobial peptide, Bacteriocin Entrocin P, Chlorhexidine, Cuminum cyminum, Enterococcus faecalis, Ferulago angulata.
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Affiliation(s)
- Abbas Tanhaieian
- Dental research center, School of Dentistry, Mashhad University of Medical Sciences Mashhad, Iran
| | - Solmaz Pourgonabadi
- Oral and maxillofacial department, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Akbari
- Department of Restorative and Cosmetic Dentistry, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamideh-Sadat Mohammadipour
- Dental materials research center, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
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19
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Dean SN, Rimmer MA, Turner KB, Phillips DA, Caruana JC, Hervey WJ, Leary DH, Walper SA. Lactobacillus acidophilus Membrane Vesicles as a Vehicle of Bacteriocin Delivery. Front Microbiol 2020; 11:710. [PMID: 32425905 PMCID: PMC7203471 DOI: 10.3389/fmicb.2020.00710] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 03/26/2020] [Indexed: 12/20/2022] Open
Abstract
Recent reports have shown that Gram-positive bacteria actively secrete spherical nanometer-sized proteoliposome membrane vesicles (MVs) into their surroundings. Though MVs are implicated in a broad range of biological functions, few studies have been conducted to examine their potential as delivery vehicles of antimicrobials. Here, we investigate the natural ability of Lactobacillus acidophilus MVs to carry and deliver bacteriocin peptides to the opportunistic pathogen, Lactobacillus delbrueckii. We demonstrate that upon treatment with lactacin B-inducing peptide, the proteome of the secreted MVs is enriched in putative bacteriocins encoded by the lab operon. Further, we show that purified MVs inhibit growth and compromise membrane integrity in L. delbrueckii, which is confirmed by confocal microscopy imaging and spectrophotometry. These results show that L. acidophilus MVs serve as conduits for antimicrobials to competing cells in the environment, suggesting a potential role for MVs in complex communities such as the gut microbiome. With the potential for controlling their payload through microbial engineering, MVs produced by L. acidophilus may be an interesting platform for effecting change in complex microbial communities or aiding in the development of new biomedical therapeutics.
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Affiliation(s)
- Scott N. Dean
- National Research Council Associate, Washington, DC, United States
| | | | - Kendrick B. Turner
- US Naval Research Laboratory, Center for Bio/Molecular Science & Engineering (Code 6900), Washington, DC, United States
| | - Daniel A. Phillips
- American Society for Engineering Education Associate, Washington, DC, United States
| | - Julie C. Caruana
- American Society for Engineering Education Associate, Washington, DC, United States
| | - William Judson Hervey
- US Naval Research Laboratory, Center for Bio/Molecular Science & Engineering (Code 6900), Washington, DC, United States
| | - Dagmar H. Leary
- US Naval Research Laboratory, Center for Bio/Molecular Science & Engineering (Code 6900), Washington, DC, United States
| | - Scott A. Walper
- US Naval Research Laboratory, Center for Bio/Molecular Science & Engineering (Code 6900), Washington, DC, United States
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20
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Sterling AJ, Snelling WJ, Naughton PJ, Ternan NG, Dooley JSG. Competent but complex communication: The phenomena of pheromone-responsive plasmids. PLoS Pathog 2020; 16:e1008310. [PMID: 32240270 PMCID: PMC7117660 DOI: 10.1371/journal.ppat.1008310] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Enterococci are robust gram-positive bacteria that are found in a variety of surroundings and that cause a significant number of healthcare-associated infections. The genus possesses a high-efficiency pheromone-responsive plasmid (PRP) transfer system for genetic exchange that allows antimicrobial-resistance determinants to spread within bacterial populations. The pCF10 plasmid system is the best characterised, and although other PRP systems are structurally similar, they lack exact functional homologues of pCF10-encoded genes. In this review, we provide an overview of the enterococcal PRP systems, incorporating functional details for the less-well-defined systems. We catalogue the virulence-associated elements of the PRPs that have been identified to date, and we argue that this reinforces the requirement for elucidation of the less studied systems.
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Affiliation(s)
- Amy J. Sterling
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, Londonderry, Northern Ireland
- * E-mail:
| | - William J. Snelling
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, Londonderry, Northern Ireland
| | - Patrick J. Naughton
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, Londonderry, Northern Ireland
| | - Nigel G. Ternan
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, Londonderry, Northern Ireland
| | - James S. G. Dooley
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, Londonderry, Northern Ireland
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21
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Genetics of Lactococci. Microbiol Spectr 2020; 7. [PMID: 31298208 DOI: 10.1128/microbiolspec.gpp3-0035-2018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Lactococcus lactis is the best characterized species among the lactococci, and among the most consumed food-fermenting bacteria worldwide. Thanks to their importance in industrialized food production, lactococci are among the lead bacteria understood for fundamental metabolic pathways that dictate growth and survival properties. Interestingly, lactococci belong to the Streptococcaceae family, which includes food, commensal and virulent species. As basic metabolic pathways (e.g., respiration, metal homeostasis, nucleotide metabolism) are now understood to underlie virulence, processes elucidated in lactococci could be important for understanding pathogen fitness and synergy between bacteria. This chapter highlights major findings in lactococci and related bacteria, and covers five themes: distinguishing features of lactococci, metabolic capacities including the less known respiration metabolism in Streptococcaceae, factors and pathways modulating stress response and fitness, interbacterial dialogue via metabolites, and novel applications in health and biotechnology.
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22
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Chen Y, Xu Y, Zhou T, Akkaya MS, Wang L, Li S, Li X. Biocontrol of Fusarium wilt disease in strawberries using bioorganic fertilizer fortified with Bacillus licheniformis X-1 and Bacillus methylotrophicus Z-1. 3 Biotech 2020; 10:80. [PMID: 32099731 DOI: 10.1007/s13205-020-2060-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 01/06/2020] [Indexed: 10/25/2022] Open
Abstract
Fusarium wilt caused by Fusarium oxysporum f. sp. fragariae is one of the most serious indigenous soil-borne fungal disease of strawberry. In this study, we have identified and investigated two sets of bacterial samples: Bacillus licheniformis (X-1) and Bacillus methylotrophicus (Z-1). Both of them were isolated from the rhizosphere soil of healthy strawberries which showed a strong inhibitory effect on Fusarium wilt caused by Fusarium oxysporum f. sp. fragariae. Bioorganic fertilizer developed by our team exhibiting a strong inhibition ability against the pathogen in comparison with the chemical and organic fertilizers. It allowed 80% disease free strawberry production together with improved physical and biochemical indexes in the pot experiments. The enzyme activity analysis of SOD, PPO, POD, and CAT in the bioorganic fertilizer (BOF) group showed significant increase with values; 48.8%, 68.7%, 85.9%, and 41.1% than that of the control group, respectively. The results of bacterial diversity showed that Bacillus in group BOF was almost three times as large as in the healthy soil control group (CK). Besides, the results of microbial diversity showed that Fusarium and Fusicolla of BOF was nearly five times less than that in CK and chemical fertilizer groups, where the Bacillus content reached to three times as much of the CK. Moreover, the enzymes activity and the content of beneficial microorganisms in the rhizosphere increased significantly. In this study, the bioorganic fertilizer developed by the isolated strains had significant effects on the control of strawberry Fusarium wilt disease. Our results demonstrate that BOF is a promising approach to control this disease in strawberry production.
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23
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Abdulhussain Kareem R, Razavi SH. Plantaricin bacteriocins: As safe alternative antimicrobial peptides in food preservation—A review. J Food Saf 2019. [DOI: 10.1111/jfs.12735] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Raghda Abdulhussain Kareem
- Department of Food Science, Engineering and Technology, Faculty of Agricultural Engineering and TechnologyUniversity of Tehran Karaj Iran
| | - Seyed Hadi Razavi
- Department of Food Science, Engineering and Technology, Faculty of Agricultural Engineering and TechnologyUniversity of Tehran Karaj Iran
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24
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Vukotic G, Polovic N, Mirkovic N, Jovcic B, Stanisavljevic N, Fira D, Kojic M. Lactococcin B Is Inactivated by Intrinsic Proteinase PrtP Digestion in Lactococcus lactis subsp. lactis BGMN1-501. Front Microbiol 2019; 10:874. [PMID: 31105670 PMCID: PMC6491934 DOI: 10.3389/fmicb.2019.00874] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 04/04/2019] [Indexed: 11/13/2022] Open
Abstract
In our previous study we demonstrated that proteinase PrtP is able to impair bacteriocin LcnB activity, despite being produced by the same organism and encoded by the same plasmid. However, precise mechanism of this action, i.e., the exact cleavage site within LcnB bacteriocin, as well as its effect on antimicrobial activity of the resulting peptide remained vague. Here we further explored the interplay between these two proteins and defined, using mass spectrometry, that this unusual hydrolysis indeed occurs in vivo, between the sixth and seventh amino acid on the N terminus of LcnB. To address whether the cleaved form of LcnB retains any level of activity, both recombinant and chemically synthesized variant of truncated LcnB were engineered and produced, but demonstrated no antimicrobial activity. When LcnB was recombinantly overexpressed and subjected to PrtP digestion, the change in its antimicrobial activity was monitored and the degradation products analyzed with reverse-phase high-pressure liquid chromatography. The results confirmed the inactivity of the truncated LcnB and additionally corroborated the PrtP cleavage site in LcnB bacteriocin. In addition, it was demonstrated that, once truncated, LcnB is not able to bind its receptor and is susceptible to additional hydrolysis. This is the first report on proteolytic inactivation of bacteriocins inside the same bacterial host.
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Affiliation(s)
- Goran Vukotic
- Faculty of Biology, University of Belgrade, Belgrade, Serbia
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | | | - Nemanja Mirkovic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Branko Jovcic
- Faculty of Biology, University of Belgrade, Belgrade, Serbia
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Nemanja Stanisavljevic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Djordje Fira
- Faculty of Biology, University of Belgrade, Belgrade, Serbia
| | - Milan Kojic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
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25
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Jagadeesan Y, Athinarayanan S, Ayub SBM, Balaiah A. Assessment of Synthesis Machinery of Two Antimicrobial Peptides from Paenibacillus alvei NP75. Probiotics Antimicrob Proteins 2019; 12:39-47. [DOI: 10.1007/s12602-019-09541-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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26
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Antibacterial activity and lantibiotic post-translational modification genes in Streptococcus spp. isolated from ruminal fluid. ANN MICROBIOL 2018. [DOI: 10.1007/s13213-018-1407-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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27
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Fira D, Dimkić I, Berić T, Lozo J, Stanković S. Biological control of plant pathogens by Bacillus species. J Biotechnol 2018; 285:44-55. [DOI: 10.1016/j.jbiotec.2018.07.044] [Citation(s) in RCA: 228] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 07/20/2018] [Accepted: 07/31/2018] [Indexed: 11/16/2022]
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28
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Favaro L, Todorov SD. Bacteriocinogenic LAB Strains for Fermented Meat Preservation: Perspectives, Challenges, and Limitations. Probiotics Antimicrob Proteins 2018; 9:444-458. [PMID: 28921417 DOI: 10.1007/s12602-017-9330-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Over the last decades, much research has focused on lactic acid bacteria (LAB) bacteriocins because of their potential as biopreservatives and their action against the growth of spoilage microbes. Meat and fermented meat products are prone to microbial contamination, causing health risks, as well as economic losses in the meat industry. The use of bacteriocin-producing LAB starter or protective cultures is suitable for fermented meats. However, although bacteriocins can be produced during meat processing, their levels are usually much lower than those achieved during in vitro fermentations under optimal environmental conditions. Thus, the direct addition of a bacteriocin food additive would be desirable. Moreover, safety and technological characteristics of the bacteriocinogenic LAB must be considered before their widespread applications. This review describes the perspectives and challenges toward the complete disclosure of new bacteriocins as effective preservatives in the production of safe and "healthy" fermented meat products.
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Affiliation(s)
- Lorenzo Favaro
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università 16, 35020, Legnaro, PD, Italy.
| | - Svetoslav Dimitrov Todorov
- Food Research Center (FoRC), Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, 580, Professor Lineu Prestes, 13B, Sao Paulo, SP, 05508-000, Brazil
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29
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Lantibiotic production is a burden for the producing staphylococci. Sci Rep 2018; 8:7471. [PMID: 29749386 PMCID: PMC5945643 DOI: 10.1038/s41598-018-25935-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 04/11/2018] [Indexed: 11/08/2022] Open
Abstract
Lantibiotics are antimicrobial peptides that contain non-proteinogenic amino acids lanthionine and 3-methyllanthionine and are produced by Gram-positive bacteria. Here we addressed the pros and cons of lantibiotic production for its producing strains. Two staphylococcal strains, S. gallinarum Tü3928 and S. epidermidis Tü3298 producing gallidermin and epidermin respectively were selected. In each of these parental strains, the structural genes gdmA and epiA were deleted; all the other biosynthetic genes including the immunity genes were left intact. Comparative analysis of the lantibiotic-producing strains with their non-producing mutants revealed that lantibiotic production is a burden for the cells. The production affected growth, caused release of ATP, lipids and increased the excretion of cytoplasmic proteins (ECP). The epidermin and gallidermin immunity genes were insufficient to protect the cells from their own product. Co-cultivation studies showed that the ΔgdmA mutant has an advantage over the parental strain; the latter was outcompeted. On the one hand, the production of staphylococcal lantibiotics is beneficial by suppressing competitors, but on the other hand they impose a burden on the producing-strains when they accumulate in higher amounts. Our observations explain why antibiotic-producing strains occur as a minority on our skin and other ecological niches, but retain corresponding antibiotic resistance.
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30
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Jia FF, Pang XH, Zhu DQ, Zhu ZT, Sun SR, Meng XC. Role of the luxS gene in bacteriocin biosynthesis by Lactobacillus plantarum KLDS1.0391: A proteomic analysis. Sci Rep 2017; 7:13871. [PMID: 29066774 PMCID: PMC5654829 DOI: 10.1038/s41598-017-13231-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 09/20/2017] [Indexed: 11/18/2022] Open
Abstract
Certain probiotic species of lactic acid bacteria, especially Lactobacillus plantarum, regulate bacteriocin synthesis through quorum sensing (QS) systems. In this study, we aimed to investigate the luxS-mediated molecular mechanisms of QS during bacteriocin synthesis by L. plantarum KLDS1.0391. In the absence of luxS, the ‘spot-on-the-lawn’ method showed that the bacteriocin production by L. plantarum KLDS1.0391 significantly decreased upon co-cultivation with L. helveticus KLDS1.9207 (P < 0.01) but did not change significantly when mono-cultivated. Furthermore, liquid chromatography-electrospray ionization tandem mass spectrometry analysis showed that, as a response to luxS deletion, L. plantarum KLDS1.0391 altered the expression level of proteins involved in carbohydrate metabolism, amino acid metabolism, fatty acid synthesis and metabolism, and the two-component regulatory system. In particular, the sensor histidine kinase AgrC (from the two-component system, LytTR family) was expressed differently between the luxS mutant and the wild-type strain during co-cultivation, whereas no significant differences in proteins related to bacteriocin biosynthesis were found upon mono-cultivation. In summary, we found that the production of bacteriocin was regulated by carbohydrate metabolism, amino acid metabolism, fatty acid synthesis and metabolism, and the two-component regulatory system. Furthermore, our results demonstrate the role of luxS-mediated molecular mechanisms in bacteriocin production.
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Affiliation(s)
- Fang-Fang Jia
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China.,Synergetic Innovation Center of Food Safety and Nutrition, Northeast Agricultural University, Harbin, 150030, China
| | - Xue-Hui Pang
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China.,Synergetic Innovation Center of Food Safety and Nutrition, Northeast Agricultural University, Harbin, 150030, China
| | - De-Quan Zhu
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China.,Synergetic Innovation Center of Food Safety and Nutrition, Northeast Agricultural University, Harbin, 150030, China.,College of Life Sciences, Jiamusi University, Jiamusi, 154007, China
| | - Zong-Tao Zhu
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China.,Synergetic Innovation Center of Food Safety and Nutrition, Northeast Agricultural University, Harbin, 150030, China
| | - Si-Rui Sun
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China.,Synergetic Innovation Center of Food Safety and Nutrition, Northeast Agricultural University, Harbin, 150030, China
| | - Xiang-Chen Meng
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China. .,Synergetic Innovation Center of Food Safety and Nutrition, Northeast Agricultural University, Harbin, 150030, China.
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31
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Bäuerl C, Umu ÖCO, Hernandez PE, Diep DB, Pérez-Martínez G. A Method to Assess Bacteriocin Effects on the Gut Microbiota of Mice. J Vis Exp 2017. [PMID: 28784971 DOI: 10.3791/56053] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Very intriguing questions arise with our advancing knowledge on gut microbiota composition and the relationship with health, particularly relating to the factors that contribute to maintaining the population balance. However, there are limited available methodologies to evaluate these factors. Bacteriocins are antimicrobial peptides produced by many bacteria that may confer a competitive advantage for food acquisition and/or niche establishment. Many probiotic lactic acid bacteria (LAB) strains have great potential to promote human and animal health by preventing the growth of pathogens. They can also be used for immuno-modulation, as they produce bacteriocins. However, the antagonistic activity of bacteriocins is normally determined by laboratory bioassays under well-defined but over-simplified conditions compared to the complex gut environment in humans and animals, where bacteria face multifactorial influences from the host and hundreds of microbial species sharing the same niche. This work describes a complete and efficient procedure to assess the effect of a variety of bacteriocins with different target specificities in a murine system. Changes in the microbiota composition during the bacteriocin treatment are monitored using compositional 16S rDNA sequencing. Our approach uses both the bacteriocin producers and their isogenic non-bacteriocin-producing mutants, the latter giving the ability to distinguish bacteriocin-related from non-bacteriocin-related modifications of the microbiota. The fecal DNA extraction and 16S rDNA sequencing methods are consistent and, together with the bioinformatics, constitute a powerful procedure to find faint changes in the bacterial profiles and to establish correlations, in terms of cholesterol and triglyceride concentration, between bacterial populations and health markers. Our protocol is generic and can thus be used to study other compounds or nutrients with the potential to alter the host microbiota composition, either when studying toxicity or beneficial effects.
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Affiliation(s)
- Chrstine Bäuerl
- Departamento de Biotecnología, Instituto de Agroquímica y Tecnología de Alimentos (IATA), Consejo Superior de Investigaciones Científicas (CSIC)
| | - Özgun C O Umu
- Department of Food Safety and Infection Biology, Norwegian University of Life Sciences (NMBU)
| | - Pablo E Hernandez
- Departamento de Nutrición, Bromatología y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid (UCM)
| | - Dzung B Diep
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences (NMBU)
| | - Gaspar Pérez-Martínez
- Departamento de Biotecnología, Instituto de Agroquímica y Tecnología de Alimentos (IATA), Consejo Superior de Investigaciones Científicas (CSIC);
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Abstract
Fermented sausages are highly treasured traditional foods. A large number of distinct sausages with different properties are produced using widely different recipes and manufacturing processes. Over the last years, eating fermented sausages has been associated with potential health hazards due to their high contents of saturated fats, high NaCl content, presence of nitrite and its degradation products such as nitrosamines, and use of smoking which can lead to formation of toxic compounds such as polycyclic aromatic hydrocarbons. Here we review the recent literature regarding possible health effects of the ingredients used in fermented sausages. We also go through attempts to improve the sausages by lowering the content of saturated fats by replacing them with unsaturated fats, reducing the NaCl concentration by partly replacing it with KCl, and the use of selected starter cultures with desirable properties. In addition, we review the food pathogenic microorganisms relevant for fermented sausages(Escherichia coli,Salmonella enterica,Staphylococcus aureus,Listeria monocytogenes,Clostridium botulinum, andToxoplasma gondii)and processing and postprocessing strategies to inhibit their growth and reduce their presence in the products.
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Abbasiliasi S, Tan JS, Tengku Ibrahim TA, Bashokouh F, Ramakrishnan NR, Mustafa S, Ariff AB. Fermentation factors influencing the production of bacteriocins by lactic acid bacteria: a review. RSC Adv 2017. [DOI: 10.1039/c6ra24579j] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Lactic acid bacteria (LAB) are the major interest in food industry primarily by virtue of their biopreservative properties.
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Affiliation(s)
- Sahar Abbasiliasi
- Department of Microbiology
- Faculty of Biotechnology and Biomolecular Sciences
- Universiti Putra Malaysia
- 43400 UPM Serdang
- Malaysia
| | - Joo Shun Tan
- Bioprocess Technology
- School of Industrial Technology
- Universiti Sains Malaysia
- Malaysia
| | | | - Fatemeh Bashokouh
- Pharmacology discipline
- Faculty of medicine
- UiTM
- 47000 Sungai Buloh
- Malaysia
| | | | - Shuhaimi Mustafa
- Department of Microbiology
- Faculty of Biotechnology and Biomolecular Sciences
- Universiti Putra Malaysia
- 43400 UPM Serdang
- Malaysia
| | - Arbakariya B. Ariff
- Bioprocessing and Biomanufacturing Research Centre
- Faculty of Biotechnology and Biomolecular Sciences
- Universiti Putra Malaysia
- 43400 UPM Serdang
- Malaysia
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ur Rahman U, Khan MI, Sohaib M, Sahar A, Ishaq A. Exploiting microorganisms to develop improved functional meat sausages: A review. FOOD REVIEWS INTERNATIONAL 2016. [DOI: 10.1080/87559129.2016.1175012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Ubaid ur Rahman
- National Institute of Food Science and Technology, Faculty of Food, Nutrition and Home Sciences, University of Agriculture Faisalabad, Pakistan
| | - Muhammad Issa Khan
- National Institute of Food Science and Technology, Faculty of Food, Nutrition and Home Sciences, University of Agriculture Faisalabad, Pakistan
| | - Muhammad Sohaib
- Institute of Home and Food Sciences, Government College University Faisalabad, Pakistan
| | - Amna Sahar
- Department of Food Engineering, Faculty of Agricultural Engineering and Technology, University of Agriculture Faisalabad, Pakistan
| | - Anum Ishaq
- National Institute of Food Science and Technology, Faculty of Food, Nutrition and Home Sciences, University of Agriculture Faisalabad, Pakistan
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Zorič Peternel M, Čanžek Majhenič A, Holo H, Nes IF, Salehian Z, Berlec A, Rogelj I. Wide-Inhibitory Spectra Bacteriocins Produced by Lactobacillus gasseri K7. Probiotics Antimicrob Proteins 2016; 2:233-40. [PMID: 26781318 DOI: 10.1007/s12602-010-9044-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The aim of our study was to determine the genetic characterization and classification of Lb. gasseri K7 bacteriocins, comparison with bacteriocins of the Lb. gasseri LF221 strain and other related strains. Bacteriocin-encoding genes were amplified by PCR, subjected to DNA sequencing, and BLAST sequence analysis was performed to search the database for homologous peptides. Lb. gasseri K7 produces two two-peptide bacteriocins, named gassericin K7 A and gassericin K7 B. Their nucleotide sequences were deposited at GenBank, under accession numbers EF392861 for the gassericin K7 A and AY307382 for the gassericin K7 B. Analysis of gene clusters of bacteriocins in Lb. gasseri K7 strain revealed a 100 percent sequence identity with bacteriocins in LF221 strain. An active peptide of gassericin K7 B is homologous to the complementary peptide of gassericin T, and a complementary peptide of gassericin K7 B is homologous to the active peptide of gassericin T. Another surprising finding was that the sakacin T-beta peptide is partly homologous to the active peptide of gassericin K7 A, while the other sakacin T peptide (alfa) is partly homologous to the complementary peptide of gassericin K7 B. Gassericins of Lb. gasseri K7 strain were both classified as two-peptide bacteriocins. Human probiotic strains Lb. gasseri K7 and LF221 are different isolates but with identical bacteriocin genes. They produce wide-inhibitory spectra bacteriocins that are new members of two-peptide bacteriocins with some homologies to other bacteriocins in this group. Described bacteriocins offer a great potential in applications in food industry, pharmacy and biomedicine.
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Affiliation(s)
- Metoda Zorič Peternel
- Chair of Dairy Science, Zootechnical Department, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia.
| | - Andreja Čanžek Majhenič
- Chair of Dairy Science, Zootechnical Department, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Helge Holo
- Laboratory of Microbial Gene Technology, Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Science, Ås, Norway
| | - Ingolf F Nes
- Laboratory of Microbial Gene Technology, Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Science, Ås, Norway
| | - Zhian Salehian
- Laboratory of Microbial Gene Technology, Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Science, Ås, Norway
| | - Aleš Berlec
- Department of Biotechnology, Chemistry and Biochemistry, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Irena Rogelj
- Chair of Dairy Science, Zootechnical Department, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
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Baindara P, Chaudhry V, Mittal G, Liao LM, Matos CO, Khatri N, Franco OL, Patil PB, Korpole S. Characterization of the Antimicrobial Peptide Penisin, a Class Ia Novel Lantibiotic from Paenibacillus sp. Strain A3. Antimicrob Agents Chemother 2016; 60:580-91. [PMID: 26574006 PMCID: PMC4704198 DOI: 10.1128/aac.01813-15] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 11/08/2015] [Indexed: 11/20/2022] Open
Abstract
Attempts to isolate novel antimicrobial peptides from microbial sources have been on the rise recently, despite their low efficacy in therapeutic applications. Here, we report identification and characterization of a new efficient antimicrobial peptide from a bacterial strain designated A3 that exhibited highest identity with Paenibacillus ehimensis. Upon purification and subsequent molecular characterization of the antimicrobial peptide, referred to as penisin, we found the peptide to be a bacteriocin-like peptide. Consistent with these results, RAST analysis of the entire genome sequence revealed the presence of a lantibiotic gene cluster containing genes necessary for synthesis and maturation of a lantibiotic. While circular dichroism and one-dimension nuclear magnetic resonance experiments confirmed a random coil structure of the peptide, similar to other known lantibiotics, additional biochemical evidence suggests posttranslational modifications of the core peptide yield six thioether cross-links. The deduced amino acid sequence of the putative biosynthetic gene penA showed approximately 74% similarity with elgicin A and 50% similarity with the lantibiotic paenicidin A. Penisin effectively killed methicillin-resistant Staphylococcus aureus (MRSA) and did not exhibit hemolysis activity. Unlike other lantibiotics, it effectively inhibited the growth of Gram-negative bacteria. Furthermore, 80 mg/kg of body weight of penisin significantly reduced bacterial burden in a mouse thigh infection model and protected BALB/c mice in a bacteremia model entailing infection with Staphylococcus aureus MTCC 96, suggesting that it could be a promising new antimicrobial peptide.
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Affiliation(s)
| | - Vasvi Chaudhry
- CSIR Institute of Microbial Technology, Chandigarh, India
| | - Garima Mittal
- CSIR Institute of Microbial Technology, Chandigarh, India
| | - Luciano M Liao
- Institute of Chemistry, Federal University of Goiás, Goiânia, Brazil
| | - Carolina O Matos
- Institute of Chemistry, Federal University of Goiás, Goiânia, Brazil
| | - Neeraj Khatri
- CSIR Institute of Microbial Technology, Chandigarh, India
| | - Octavio L Franco
- Centro de Analises Proteomicas e Bioquimicas, Pós-graduacão em Ciências Genomicas e Biotecnologia, Brasília, Brazil S-Inova, Programa de Pós-Graduacão em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil
| | - Prabhu B Patil
- CSIR Institute of Microbial Technology, Chandigarh, India
| | - Suresh Korpole
- CSIR Institute of Microbial Technology, Chandigarh, India
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37
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Dubovskii PV, Vassilevski AA, Kozlov SA, Feofanov AV, Grishin EV, Efremov RG. Latarcins: versatile spider venom peptides. Cell Mol Life Sci 2015; 72:4501-22. [PMID: 26286896 PMCID: PMC11113828 DOI: 10.1007/s00018-015-2016-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 08/05/2015] [Accepted: 08/06/2015] [Indexed: 12/14/2022]
Abstract
Arthropod venoms feature the presence of cytolytic peptides believed to act synergetically with neurotoxins to paralyze prey or deter aggressors. Many of them are linear, i.e., lack disulfide bonds. When isolated from the venom, or obtained by other means, these peptides exhibit common properties. They are cationic; being mostly disordered in aqueous solution, assume amphiphilic α-helical structure in contact with lipid membranes; and exhibit general cytotoxicity, including antifungal, antimicrobial, hemolytic, and anticancer activities. To suit the pharmacological needs, the activity spectrum of these peptides should be modified by rational engineering. As an example, we provide a detailed review on latarcins (Ltc), linear cytolytic peptides from Lachesana tarabaevi spider venom. Diverse experimental and computational techniques were used to investigate the spatial structure of Ltc in membrane-mimicking environments and their effects on model lipid bilayers. The antibacterial activity of Ltc was studied against a panel of Gram-negative and Gram-positive bacteria. In addition, the action of Ltc on erythrocytes and cancer cells was investigated in detail with confocal laser scanning microscopy. In the present review, we give a critical account of the progress in the research of Ltc. We explore the relationship between Ltc structure and their biological activity and derive molecular characteristics, which can be used for optimization of other linear peptides. Current applications of Ltc and prospective use of similar membrane-active peptides are outlined.
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Affiliation(s)
- Peter V Dubovskii
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10 Miklukho-Maklaya, Moscow, 117997, Russia.
| | - Alexander A Vassilevski
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10 Miklukho-Maklaya, Moscow, 117997, Russia
| | - Sergey A Kozlov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10 Miklukho-Maklaya, Moscow, 117997, Russia
| | - Alexey V Feofanov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10 Miklukho-Maklaya, Moscow, 117997, Russia
- Biological Faculty, M.V. Lomonosov Moscow State University, 1 Leninskie Gory, Moscow, 119234, Russia
| | - Eugene V Grishin
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10 Miklukho-Maklaya, Moscow, 117997, Russia
| | - Roman G Efremov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10 Miklukho-Maklaya, Moscow, 117997, Russia
- Higher School of Economics, 20 Myasnitskaya, Moscow, 101000, Russia
- Moscow Institute of Physics and Technology (State University), 9 Institutskiy per., Dolgoprudny, Moscow Region, 141700, Russia
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Impact of Environmental Factors on Bacteriocin Promoter Activity in Gut-Derived Lactobacillus salivarius. Appl Environ Microbiol 2015; 81:7851-9. [PMID: 26341205 DOI: 10.1128/aem.02339-15] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 08/30/2015] [Indexed: 12/27/2022] Open
Abstract
Bacteriocin production is regarded as a desirable probiotic trait that aids in colonization and persistence in the gastrointestinal tract (GIT). Strains of Lactobacillus salivarius, a species associated with the GIT, are regarded as promising probiotic candidates and have a number of associated bacteriocins documented to date. These include multiple class IIb bacteriocins (salivaricin T, salivaricin P, and ABP-118) and the class IId bacteriocin bactofencin A, which show activity against medically important pathogens. However, the production of a bacteriocin in laboratory media does not ensure production under stressful environmental conditions, such as those encountered within the GIT. To allow this issue to be addressed, the promoter regions located upstream of the structural genes encoding the L. salivarius bacteriocins mentioned above were fused to a number of reporter proteins (green fluorescent protein [GFP], red fluorescent protein [RFP], and luciferase [Lux]). Of these, only transcriptional fusions to GFP generated signals of sufficient strength to enable the study of promoter activity in L. salivarius. While analysis of the class IIb bacteriocin promoter regions indicated relatively weak GFP expression, assessment of the promoter of the antistaphylococcal bacteriocin bactofencin A revealed a strong promoter that is most active in the absence of the antimicrobial peptide and is positively induced in the presence of mild environmental stresses, including simulated gastric fluid. Taken together, these data provide information on factors that influence bacteriocin production, which will assist in the development of strategies to optimize in vivo and in vitro production of these antimicrobials.
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39
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Inhibitory effects of Lactobacillus fermentum on microbial growth and biofilm formation. Arch Microbiol 2015; 197:1027-32. [PMID: 26267163 DOI: 10.1007/s00203-015-1140-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Revised: 06/17/2015] [Accepted: 08/04/2015] [Indexed: 12/24/2022]
Abstract
Beneficial effects of Lactobacilli have been reported, and lactic bacteria are employed for conservation of foods. Therefore, the effects of a Lactobacillus fermentum strain were analyzed regarding inhibitory effects on staphylococci, Candida albicans and enterotoxigenic enterobacteria by transmission electron microscopy (TEM). TEM of bacterial biofilms was performed using cocultures of bacteriocin-producing L. fermentum 97 with different enterotoxigenic strains: Staphylococcus epidermidis expressing the ica gene responsible for biofilm formation, Staphylococcus aureus producing enterotoxin type A, Citrobacter freundii, Enterobacter cloaceae, Klebsiella oxytoca, Proteus mirabilis producing thermolabile and thermostable enterotoxins determined by elt or est genes, and Candida albicans. L. fermentum 97 changed morphological features and suppressed biofilm formation of staphylococci, enterotoxigenic enterobacteria and Candida albicans; a marked transition to resting states, a degradation of the cell walls and cytoplasm, and a disruption of mature bacterial biofilms were observed, the latter indicating efficiency even in the phase of higher cell density.
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40
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Bartkiene E, Mozuriene E, Juodeikiene G, Zadeike D, Maruska A, Stankevicius M, Ragazinskiene O, Cizeikiene D. Pork meat products functional value and safety parameters improving by using lactic acid fermentation of savory plants. Journal of Food Science and Technology 2015. [DOI: 10.1007/s13197-015-1861-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Grande Burgos MJ, Pulido RP, Del Carmen López Aguayo M, Gálvez A, Lucas R. The Cyclic Antibacterial Peptide Enterocin AS-48: Isolation, Mode of Action, and Possible Food Applications. Int J Mol Sci 2014; 15:22706-22727. [PMID: 25493478 PMCID: PMC4284732 DOI: 10.3390/ijms151222706] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 11/30/2014] [Accepted: 12/02/2014] [Indexed: 11/30/2022] Open
Abstract
Enterocin AS-48 is a circular bacteriocin produced by Enterococcus. It contains a 70 amino acid-residue chain circularized by a head-to-tail peptide bond. The conformation of enterocin AS-48 is arranged into five alpha-helices with a compact globular structure. Enterocin AS-48 has a wide inhibitory spectrum on Gram-positive bacteria. Sensitivity of Gram-negative bacteria increases in combination with outer-membrane permeabilizing treatments. Eukaryotic cells are bacteriocin-resistant. This cationic peptide inserts into bacterial membranes and causes membrane permeabilization, leading ultimately to cell death. Microarray analysis revealed sets of up-regulated and down-regulated genes in Bacillus cereus cells treated with sublethal bacteriocin concentration. Enterocin AS-48 can be purified in two steps or prepared as lyophilized powder from cultures in whey-based substrates. The potential applications of enterocin AS-48 as a food biopreservative have been corroborated against foodborne pathogens and/or toxigenic bacteria (Listeria monocytogenes, Bacillus cereus, Staphylococcus aureus, Escherichia coli, Salmonella enterica) and spoilage bacteria (Alicyclobacillus acidoterrestris, Bacillus spp., Paenibacillus spp., Geobacillus stearothermophilus, Brochothrix thermosphacta, Staphylococcus carnosus, Lactobacillus sakei and other spoilage lactic acid bacteria). The efficacy of enterocin AS-48 in food systems increases greatly in combination with chemical preservatives, essential oils, phenolic compounds, and physico-chemical treatments such as sublethal heat, high-intensity pulsed-electric fields or high hydrostatic pressure.
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Affiliation(s)
- María José Grande Burgos
- Department of Health Sciences, University of Jaen, Campus Las Lagunillas s/n, 23071 Jaen, Spain.
| | - Rubén Pérez Pulido
- Department of Health Sciences, University of Jaen, Campus Las Lagunillas s/n, 23071 Jaen, Spain.
| | | | - Antonio Gálvez
- Department of Health Sciences, University of Jaen, Campus Las Lagunillas s/n, 23071 Jaen, Spain.
| | - Rosario Lucas
- Department of Health Sciences, University of Jaen, Campus Las Lagunillas s/n, 23071 Jaen, Spain.
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Kim YO, Park IS, Kim DJ, Nam BH, Kim DG, Jee YJ, An CM. Identification and characterization of a bacteriocin produced by an isolated Bacillus sp. SW1-1 that exhibits antibacterial activity against fish pathogens. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s13765-014-4174-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Perez RH, Zendo T, Sonomoto K. Novel bacteriocins from lactic acid bacteria (LAB): various structures and applications. Microb Cell Fact 2014; 13 Suppl 1:S3. [PMID: 25186038 PMCID: PMC4155820 DOI: 10.1186/1475-2859-13-s1-s3] [Citation(s) in RCA: 269] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Bacteriocins are heat-stable ribosomally synthesized antimicrobial peptides produced by various bacteria, including food-grade lactic acid bacteria (LAB). These antimicrobial peptides have huge potential as both food preservatives, and as next-generation antibiotics targeting the multiple-drug resistant pathogens. The increasing number of reports of new bacteriocins with unique properties indicates that there is still a lot to learn about this family of peptide antibiotics. In this review, we highlight our system of fast tracking the discovery of novel bacteriocins, belonging to different classes, and isolated from various sources. This system employs molecular mass analysis of supernatant from the candidate strain, coupled with a statistical analysis of their antimicrobial spectra that can even discriminate novel variants of known bacteriocins. This review also discusses current updates regarding the structural characterization, mode of antimicrobial action, and biosynthetic mechanisms of various novel bacteriocins. Future perspectives and potential applications of these novel bacteriocins are also discussed.
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Affiliation(s)
- Rodney H Perez
- Laboratory of Microbial Technology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
| | - Takeshi Zendo
- Laboratory of Microbial Technology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
| | - Kenji Sonomoto
- Laboratory of Microbial Technology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
- Laboratory of Functional Food Design, Department of Functional Metabolic Design, Bio-Architecture Center, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
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45
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A conserved streptococcal membrane protein, LsrS, exhibits a receptor-like function for lantibiotics. J Bacteriol 2014; 196:1578-87. [PMID: 24509319 DOI: 10.1128/jb.00028-14] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Streptococcus mutans strain GS-5 produces a two-peptide lantibiotic, Smb, which displays inhibitory activity against a broad spectrum of bacteria, including other streptococci. For inhibition, lantibiotics must recognize specific receptor molecules present on the sensitive bacterial cells. However, so far no such receptor proteins have been identified for any lantibiotics. In this study, using a powerful transposon mutagenesis approach, we have identified in Streptococcus pyogenes a gene that exhibits a receptor-like function for Smb. The protein encoded by that gene, which we named LsrS, is a membrane protein belonging to the CAAX protease family. We also found that nisin, a monopeptide lantibiotic, requires LsrS for its optimum inhibitory activity. However, we found that LsrS is not required for inhibition by haloduracin and galolacticin, both of which are two-peptide lantibiotics closely related to Smb. LsrS appears to be a well-conserved protein that is present in many streptococci, including S. mutans. Inactivation of SMU.662, an LsrS homolog, in S. mutans strains UA159 and V403 rendered the cells refractory to Smb-mediated killing. Furthermore, overexpression of LsrS in S. mutans created cells more susceptible to Smb. Although LsrS and its homolog contain the CAAX protease domain, we demonstrate that inactivation of the putative active sites on the LsrS protein has no effect on its receptor-like function. This is the first report describing a highly conserved membrane protein that displays a receptor-like function for lantibiotics.
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Comparative genomic and transcriptomic analyses of NaCl-tolerant Staphylococcus sp. OJ82 isolated from fermented seafood. Appl Microbiol Biotechnol 2013; 98:807-22. [PMID: 24346282 DOI: 10.1007/s00253-013-5436-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Revised: 11/25/2013] [Accepted: 11/26/2013] [Indexed: 12/25/2022]
Abstract
Bacteria belonging to the Staphylococcus genus reside in various natural environments; however, only disease-associated Staphylococcus strains have received attention while ecological function and physiologies of non-pathogenic strains were often neglected. Because high level of tolerance against NaCl is a common trait of Staphylococcus, we investigated the characteristics of halotolerance in Staphylococcus sp. OJ82 isolated from fermented seafood containing a high concentration of NaCl. Among the 292 isolates screened, OJ82 showed the highest β-galactosidase and extracellular protease activities under high-salt conditions. Comparative genomic analysis with other Staphylococcus strains showed that (a) replication origins are highly conserved, (b) the OJ82 strain has a high number of amino acid transport- and metabolism-related genes, and (c) OJ82 has many unique proteins (15 %) and 12 prophage-related genomic islands. RNA-seq analysis under high-salt conditions showed that genes involved in cell membranes, transport, osmotic stress, ATP synthesis, and translation are highly expressed. OJ82 may use the ribulose monophosphate pathway to detoxify some toxic intermediates under high-salt conditions. Six new and three known non-coding small RNAs of the OJ82 strain were also found in the RNA-seq analysis. Genomic and transcriptomic analyses identified target β-galactosidase and extracellular protease. Interestingly, the OJ82 strain became resistant to bacteriocin produced by the Bacillus strain only under high-salt conditions. Our data showed that the OJ82 strain adapted to high-salt conditions by expressing core cellular processes (translation, ATP production) and defense genes (membrane synthesis, compatible solute transports, ribulose monophosphate pathway) could survive bacteriocin exposure under high-salt conditions.
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Kanmani P, Satish Kumar R, Yuvaraj N, Paari KA, Pattukumar V, Arul V. Probiotics and its functionally valuable products-a review. Crit Rev Food Sci Nutr 2013; 53:641-58. [PMID: 23627505 DOI: 10.1080/10408398.2011.553752] [Citation(s) in RCA: 128] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
During the past two decades probiotic bacteria have been increasingly proposed as health promoting bacteria in variety of food system, because of its safety, functional, and technological characteristics. Commonly, Lactobacillus spp., Bifidobacterium spp., Saccharomyces boulardii, and some other microorganisms have been considered as probiotic strains. Possibly these bacterial strains exerted several beneficial effects into gastrointestinal tract of host while administered with variety of food system. Lactic acid bacteria (LAB) usually produce antimicrobial substances like bacteriocin which have broad spectrum of antagonist effect against closely related Gram positive and Gram negative pathogens. LAB strains often produce polymeric substances such as exopolysaccharides (EPS) which increase the colonization of probiotic bacteria by cell-cell interactions in gastrointestinal tract. LAB also produces biosurfactant which showed that the wide range of antimicrobial activity against bacterial pathogen as well as its antiadhesive properties reduces the adhesion of pathogens into gastric wall membrane. Furthermore, LAB strains have also been reported for production of antioxidants which are ability to scavenge the free radicals such as superoxide anions and hydroxyl radicals. For this sense, this review article is mainly focused on the ecology, biosynthesis, genetics, target sites, and applications of bacteriocins and EPS from LAB strains. Moreover, this review discusses about the production and functions of nutritive essential element folate and iron chelating agent such as siderophores from LAB.
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Affiliation(s)
- Paulraj Kanmani
- Department of Biotechnology, School of Life Sciences, Pondicherry University, Pondicherry, 605014, India
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SmbFT, a putative ABC transporter complex, confers protection against the lantibiotic Smb in Streptococci. J Bacteriol 2013; 195:5592-601. [PMID: 24123816 DOI: 10.1128/jb.01060-13] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Streptococcus mutans, a dental pathogen, secretes different kinds of lantibiotic and nonlantibiotic bacteriocins. For self-protection, a bacteriocin producer strain must possess one or more cognate immunity mechanisms. We report here the identification of one such immunity complex in S. mutans strain GS-5 that confers protection against Smb, a two-component lantibiotic. The immunity complex that we identified is an ABC transporter composed of two proteins: SmbF (the ATPase component) and SmbT (the permease component). Both of the protein-encoding genes are located within the smb locus. We show that GS-5 becomes sensitized to Smb upon deletion of smbT, which makes the ABC transporter nonfunctional. To establish the role SmbFT in providing immunity, we heterologously expressed this ABC transporter complex in four different sensitive streptococcal species and demonstrated that it can confer resistance against Smb. To explore the specificity of SmbFT in conferring resistance, we tested mutacin IV (a nonlantibiotic), nisin (a single peptide lantibiotics), and three peptide antibiotics (bacitracin, polymyxin B, and vancomycin). We found that SmbFT does not recognize these structurally different peptides. We then tested whether SmbFT can confer protection against haloduracin, another two-component lantibiotic that is structurally similar to Smb; SmbFT indeed conferred protection against haloduracin. SmbFT can also confer protection against an uncharacterized but structurally similar lantibiotic produced by Streptococcus gallolyticus. Our data suggest that SmbFT truly displays immunity function and confer protection against Smb and structurally similar lantibiotics.
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Hammami R, Fernandez B, Lacroix C, Fliss I. Anti-infective properties of bacteriocins: an update. Cell Mol Life Sci 2013; 70:2947-67. [PMID: 23109101 PMCID: PMC11113238 DOI: 10.1007/s00018-012-1202-3] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Revised: 09/05/2012] [Accepted: 10/18/2012] [Indexed: 02/01/2023]
Abstract
Bacteriocin production is a widespread phenomenon among bacteria. Bacteriocins hold great promise for the treatment of diseases caused by pathogenic bacteria and could be used in the future as alternatives to existing antibiotics. The anti-infective potential of bacteriocins for inhibiting pathogens has been shown in various food matrices including cheese, meat, and vegetables. However, their inhibition of pathogens in vivo remains unclear and needs more investigation, due mainly to difficulties associated with demonstrating their health benefits. Many bacteriocins produced by established or potential probiotic organisms have been evaluated as potential therapeutic agents and interesting findings have been documented in vitro as well as in a few in vivo studies. Some recent in vivo studies point to the efficacy of bacteriocin-based treatments of human and animal infections. While further investigation remains necessary before the possibilities for bacteriocins in clinical practice can be described more fully, this review provides an overview of their potential applications to human and veterinary health.
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Affiliation(s)
- Riadh Hammami
- STELA Dairy Research Centre, Nutraceuticals and Functional Foods Institute, Université Laval, Quebec, QC, Canada.
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Zhang T, Pan Y, Li B, Ou J, Zhang J, Chen Y, Peng X, Chen L. Molecular cloning and antimicrobial activity of enterolysin A and helveticin J of bacteriolysins from metagenome of Chinese traditional fermented foods. Food Control 2013. [DOI: 10.1016/j.foodcont.2012.11.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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