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Contessa CR, Moreira EC, Moraes CC, de Medeiros Burkert JF. Production and SERS characterization of bacteriocin-like inhibitory substances by latilactobacillus sakei in whey permeate powder: exploring natural antibacterial potential. Bioprocess Biosyst Eng 2024; 47:1723-1734. [PMID: 39014172 DOI: 10.1007/s00449-024-03065-6] [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: 01/16/2024] [Accepted: 07/10/2024] [Indexed: 07/18/2024]
Abstract
Bacteriocins are antimicrobial compounds that have awakened interest across several industries due to their effectiveness. However, their large-scale production often becomes unfeasible on an industrial scale, primarily because of high process costs. Addressing this challenge, this work analyzes the potential of using low-cost whey permeate powder, without any supplementation, to produce bacteriocin-like inhibitory substances (BLIS) through the fermentation of Latilactobacillus sakei. For this purpose, different concentrations of whey permeate powder (55.15 gL-1, 41.3 gL-1 and 27.5 gL-1) were used. The ability of L. sakei to produce BLIS was evaluated, as well as the potential of crude cell-free supernatant to act as a preservative. Raman spectroscopy and surface-enhanced Raman scattering (SERS) provided detailed insights into the composition and changes occurring during fermentation. SERS, in particular, enhanced peak definition significantly, allowing for the identification of key components, such as lactose, proteins, and phenylalanine, which are crucial in understanding the fermentation process and BLIS characteristics. The results revealed that the concentration of 55.15 gL-1 of whey permeate powder, in flasks without agitation and a culture temperature of 32.5 °C, presented the highest biological activity of BLIS, reaching 99% of inhibition of Escherichia coli and Staphylococcus aureus with minimum inhibitory concentration of 36-45%, respectively. BLIS production began within 60 h of cultivation and was associated with class II bacteriocins. The results demonstrate a promising approach for producing BLIS in an economical and environmentally sustainable manner, with potential implications for various industries.
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Affiliation(s)
- Camila Ramão Contessa
- Engineering and Science of Food Graduate Program, College of Chemistry and Food Engineering, Laboratory Bioprocess Engineering, Federal University of Rio Grande, PO Box 474, Rio Grande, RS, 96203-900, Brazil.
| | - Eduardo Ceretta Moreira
- Science and Engineering of Materials Graduate Program, Spectroscopy Laboratory, Federal University of Pampa, PO Box 1650, Bagé, RS, 96413170, Brazil
| | - Caroline Costa Moraes
- Science and Engineering of Materials Graduate Program, Laboratory of Microbiology and Food Toxicology, Federal University of Pampa, PO Box 1650, Bagé, RS, 96413170, Brazil
| | - Janaína Fernandes de Medeiros Burkert
- Engineering and Science of Food Graduate Program, College of Chemistry and Food Engineering, Laboratory Bioprocess Engineering, Federal University of Rio Grande, PO Box 474, Rio Grande, RS, 96203-900, Brazil
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Peng Z, Xiong T, Huang T, Xu X, Fan P, Qiao B, Xie M. Factors affecting production and effectiveness, performance improvement and mechanisms of action of bacteriocins as food preservative. Crit Rev Food Sci Nutr 2023; 63:12294-12307. [PMID: 35866501 DOI: 10.1080/10408398.2022.2100874] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Modern society is increasingly attracted with safe, natural, and additive-free food products, that gives preference to bacteriocins produced by General Recognized as Safe bacteria as a food preservative. Bacteriocins have been reported to be effective in extending shelf life of diverse foods such as meats, dairy products, wine, juice, and fruits and vegetables, whereas commercialized bacteriocins remain only nisin, pediocin, and Micocin. It is important that commercialized preservatives undergo an easy-to-handle manufacturing while maintaining high efficacy. Limited application of bacteriocins is most often caused by the absence of legislatives for use, low production, high cost and complicated purification process, reduced efficiency in the complex food matrix and insufficiently defined mechanism of action. Accordingly, this review provides an overview of bacteriocins, in relation to production stimulation, general purification scheme, impact of food matrix on bacteriocin effectiveness, and collaborative technology to improve bacteriocin performances. It is worth to note that purification and performance improvement technology remain the two challenging tasks in promoting bacteriocins as a widely used bio-preservative. Furthermore, this review for the first time divides bacteriocin receptors into specific classes (class I, II, III) and nonspecific class, to provide a basis for an in-depth understanding of the mechanism of action.
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Affiliation(s)
- Zhen Peng
- School of Food Science and Technology, Nanchang University, Nanchang, China
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Tao Xiong
- School of Food Science and Technology, Nanchang University, Nanchang, China
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Tao Huang
- School of Food Science and Technology, Nanchang University, Nanchang, China
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Xiaoyan Xu
- School of Food Science and Technology, Nanchang University, Nanchang, China
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Pengrong Fan
- School of Food Science and Technology, Nanchang University, Nanchang, China
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Baoling Qiao
- School of Food Science and Technology, Nanchang University, Nanchang, China
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Mingyong Xie
- School of Food Science and Technology, Nanchang University, Nanchang, China
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
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3
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Öztürk H, Geniş B, Özden Tuncer B, Tuncer Y. Bacteriocin production and technological properties of Enterococcus mundtii and Enterococcus faecium strains isolated from sheep and goat colostrum. Vet Res Commun 2023; 47:1321-1345. [PMID: 36738399 DOI: 10.1007/s11259-023-10080-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 01/31/2023] [Indexed: 02/05/2023]
Abstract
Enterococci are lactic acid bacteria (LAB) that play a role in the aroma formation, maturation, and sensory development of fermented foods such as meat and dairy products. They also contribute to the improvement of the extended shelf life of fermented foods by producing bacteriocin. The aim of this study was to isolate bacteriocin-producing LAB from sheep and goat colostrum, to characterize the bacteriocin-producing strains, and determine the technological properties of the strains. A total of 13 bacteriocin-producing LAB was isolated and identified as 11 Enterococcus mundtii and two Enterococcus faecium. The strains were found to be genetically different from each other by phylogenetic analysis of 16S rRNA gene sequences and random amplified polymorphic-DNA (RAPD-PCR). It has been determined that bacteriocins show activity in a wide pH range and are resistant to heat, lose their activity with proteolytic enzymes and α-amylase, but are resistant to detergents. While the presence of the munKS gene was detected in all of the strains, it was determined that E. faecium HC121.4, HC161.1, E. mundtii HC147.1, HC166.5, and HC166.8 strains contained multiple enterocin genes. Trisin-SDS-PAGE analysis revealed two active protein bands of approximately 5.1 and 5.5 kDa in E. faecium HC121.4 and one active protein band with a weight of approximately 4.96 kDa in other strains. E. mundtii strains and E. faecium HC161.1 were identified as mundticin KS producers, and E. faecium HC121.4 was defined as an enterocin A and B producer. Except for E. mundtii HC166.8, acid production of strains was found to be slow at 6 h and moderate at 24 h. None of them showed extracellular proteolytic and lipolytic activities. It was found that the strains had esterase, esterase lipase, leucine arylamidase, acid phosphatase, and naphthol-AS-Bl-phosphohydrolase activities, while protease activities were low and peptidase activities were high. In conclusion, bacteriocin producer 13 Enterococcus strains isolated from sheep and goat colostrum were found to have the potential to be included in starter culture combinations.
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Affiliation(s)
- Hüseyin Öztürk
- Department of Food Technology, Manavgat Vocational School, Akdeniz University, 07600, Antalya, Turkey
| | - Burak Geniş
- Faculty of Engineering, Department of Food Engineering, Süleyman Demirel University, 32260, Isparta, Turkey
| | - Banu Özden Tuncer
- Faculty of Engineering, Department of Food Engineering, Süleyman Demirel University, 32260, Isparta, Turkey
| | - Yasin Tuncer
- Faculty of Engineering, Department of Food Engineering, Süleyman Demirel University, 32260, Isparta, Turkey.
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Nanomedicine for drug resistant pathogens and COVID-19 using mushroom nanocomposite inspired with bacteriocin – A Review. INORG CHEM COMMUN 2023; 152:110682. [PMID: 37041990 PMCID: PMC10067464 DOI: 10.1016/j.inoche.2023.110682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/25/2023] [Accepted: 03/31/2023] [Indexed: 04/05/2023]
Abstract
Multidrug resistant (MDR) pathogens have become a major global health challenge and have severely threatened the health of society. Current conditions have gotten worse as a result of the COVID-19 pandemic, and infection rates in the future will rise. It is necessary to design, respond effectively, and take action to address these challenges by investigating new avenues. In this regard, the fabrication of metal NPs utilized by various methods, including green synthesis using mushroom, is highly versatile, cost-effective, eco-compatible, and superior. In contrast, biofabrication of metal NPs can be employed as a powerful weapon against MDR pathogens and have immense biomedical applications. In addition, the advancement in nanotechnology has made possible to modify the nanomaterials and enhance their activities. Metal NPs with biomolecules composite to prevents their microbial adhesion and kills the microbial pathogens through biofilm formation. Bacteriocin is an excellent antimicrobial peptide that works well as an augmentation substance to boost the antimicrobial effects. As a result, we concentrate on the creation of new, eco-compatible mycosynthesized metal NPs with bacteriocin nanocomposite via electrostatic, covalent, or non-covalent bindings. The synergistic benefits of metal NPs with bacteriocin to combat MDR pathogens and COVID-19, as well as other biomedical applications, are discussed in this review. Moreover, the importance of the adverse outcome pathway (AOP) in risk analysis of manufactured metal nanocomposite nanomaterial and their future possibilities also discussed.
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Ide N, Kawada-Matsuo M, Le MNT, Hisatsune J, Nishi H, Hara T, Kitamura N, Kashiyama S, Yokozaki M, Kawaguchi H, Ohge H, Sugai M, Komatsuzawa H. Different CprABC amino acid sequences affect nisin A susceptibility in Clostridioides difficile isolates. PLoS One 2023; 18:e0280676. [PMID: 36662820 PMCID: PMC9858009 DOI: 10.1371/journal.pone.0280676] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 01/05/2023] [Indexed: 01/21/2023] Open
Abstract
Clinical isolates of Clostridioides difficile sometimes exhibit multidrug resistance and cause diarrhea after antibiotic administration. Metronidazole and vancomycin are often used as therapeutic agents, but resistance to these antibiotics has been found clinically. Therefore, the development of alternative antimicrobial agents is needed. Nisin A, produced by Lactococcus lactis, has been demonstrated to be effective against C. difficile infection. In this study, we evaluated the susceptibility of 11 C. difficile clinical isolates to nisin A and found that they could be divided into 2 groups: high and low susceptibility. Since CprABC and DltDABC, which are responsible for nisin A efflux and cell surface charge, respectively, have been reported to be related to nisin A susceptibility, we investigated the expression of cprA and dltA among the 11 strains. cprA expression in all strains was induced by nisin A, but dltA expression was not. The expression levels of both genes did not correlate with nisin A susceptibility in these clinical isolates. To evaluate cell surface charge, we performed a cytochrome C binding assay and found no relationship between charge and nisin A susceptibility. Then, we determined the whole genome sequence of each clinical isolate and carried out phylogenetic analysis. The 11 isolates separated into two major clusters, which were consistent with the differences in nisin A susceptibility. Furthermore, we found common differences in several amino acids in the sequences of CprA, CprB, and CprC between the two clusters. Therefore, we speculated that the different amino acid sequences of CprABC might be related to nisin A susceptibility. In addition, C. difficile strains could be divided in the same two groups based on susceptibility to epidermin and mutacin III, which are structurally similar to nisin A. These results suggest that genotypic variations in C. difficile strains confer different susceptibilities to bacteriocins.
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Affiliation(s)
- Noriaki Ide
- Department of General Dentistry, Hiroshima University Hospital, Hiroshima, Japan
| | - Miki Kawada-Matsuo
- Department of Bacteriology, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
| | - Mi Nguyen-Tra Le
- Department of Bacteriology, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
| | - Junzo Hisatsune
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
- Antimicrobial Resistance Research Centre, National Institute of Infectious Diseases, Higashi Murayama, Japan
| | - Hiromi Nishi
- Department of General Dentistry, Hiroshima University Hospital, Hiroshima, Japan
| | - Toshinori Hara
- Antimicrobial Resistance Research Centre, National Institute of Infectious Diseases, Higashi Murayama, Japan
- Section of Clinical Laboratory, Division of Clinical Support, Hiroshima University Hospital, Hiroshima, Japan
- Division of Laboratory Medicine, Hiroshima University Hospital, Hiroshima, Japan
| | - Norikazu Kitamura
- Antimicrobial Resistance Research Centre, National Institute of Infectious Diseases, Higashi Murayama, Japan
| | - Seiya Kashiyama
- Antimicrobial Resistance Research Centre, National Institute of Infectious Diseases, Higashi Murayama, Japan
- Section of Clinical Laboratory, Division of Clinical Support, Hiroshima University Hospital, Hiroshima, Japan
- Division of Laboratory Medicine, Hiroshima University Hospital, Hiroshima, Japan
| | - Michiya Yokozaki
- Antimicrobial Resistance Research Centre, National Institute of Infectious Diseases, Higashi Murayama, Japan
- Division of Laboratory Medicine, Hiroshima University Hospital, Hiroshima, Japan
| | - Hiroyuki Kawaguchi
- Department of General Dentistry, Hiroshima University Hospital, Hiroshima, Japan
| | - Hiroki Ohge
- Antimicrobial Resistance Research Centre, National Institute of Infectious Diseases, Higashi Murayama, Japan
- Department of Infectious Diseases, Hiroshima University Hospital, Hiroshima, Japan
| | - Motoyuki Sugai
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
- Antimicrobial Resistance Research Centre, National Institute of Infectious Diseases, Higashi Murayama, Japan
| | - Hitoshi Komatsuzawa
- Department of Bacteriology, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
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6
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Daba GM, Mostafa FA, Saleh SAA, Elkhateeb WA, Awad G, Nomiyama T, Zendo T, El-Dein AN. Purification, amino acid sequence, and characterization of bacteriocin GA15, a novel class IIa bacteriocin secreted by Lactiplantibacillus plantarum GCNRC_GA15. Int J Biol Macromol 2022; 213:651-662. [PMID: 35667456 DOI: 10.1016/j.ijbiomac.2022.06.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 05/26/2022] [Accepted: 06/01/2022] [Indexed: 01/10/2023]
Abstract
The bacteriocins produced by lactic acid bacteria (LAB) are attracting attention due to their promising applications in food and pharmaceuticals fields. Hence, a LAB strain, GCNRC_GA15, was isolated from Egyptian goat cheese, and molecularly identified as Lactiplantibacillus plantarum. This strain showed a wide antimicrobial spectrum, which was found to be of proteineous nature, suggesting that L. plantarum GCNRC_GA15 is a bacteriocin-producer. This bacteriocin (bacteriocin GA15) was partially purified using cation exchange, and hydrophobic interaction chromatography. Tricine SDS-PAGE analysis for the fraction showing bacteriocin activity has estimated the molecular mass to be 4369 Da. Furthermore, amino acid sequencing of this peptide has detected 34 amino acids, and comparing its amino acid sequence with those of some pediocin-like bacteriocins revealed that bacteriocin GA15 has the conserved sequence (YYGNGV/L) in its N-terminal region which identified bacteriocin GA15 as a pediocin-like bacteriocin. Bacteriocin GA15 showed good heat and pH stabilities, and its activity was enhanced after treatment with Tween 80 or Triton X-100. Bacteriocin production medium was statistically optimized using the Plackett-Burman and Central Composite designs. As a result, bacteriocin production increased from 800 to 12,800 AU/ml using the optimized medium in comparison with result recorded for the un-optimized medium.
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Affiliation(s)
- Ghoson M Daba
- Chemistry of Natural and Microbial Products Department, Pharmaceutical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt.
| | - Faten A Mostafa
- Chemistry of Natural and Microbial Products Department, Pharmaceutical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt
| | - Shireen A A Saleh
- Chemistry of Natural and Microbial Products Department, Pharmaceutical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt
| | - Waill A Elkhateeb
- Chemistry of Natural and Microbial Products Department, Pharmaceutical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt
| | - Ghada Awad
- Chemistry of Natural and Microbial Products Department, Pharmaceutical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt
| | - Taisei Nomiyama
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takeshi Zendo
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Asmaa Negm El-Dein
- Chemistry of Natural and Microbial Products Department, Pharmaceutical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt
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Kawahara A, Murakami C, Hayashi R, Zendo T, Matsusaki H. Characterization of multiple bacteriocin-producing Lactiplantibacillus plantarum PUK6 isolated from misozuke-tofu. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2022. [DOI: 10.3136/fstr.fstr-d-21-00294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Ai Kawahara
- Division of Food and Health Environmental Sciences, Department of Environmental and Symbiotic Sciences, Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto
| | - Chiaki Murakami
- Division of Food and Health Environmental Sciences, Department of Environmental and Symbiotic Sciences, Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto
| | - Riho Hayashi
- Division of Food and Health Environmental Sciences, Department of Environmental and Symbiotic Sciences, Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto
| | - Takeshi Zendo
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University
| | - Hiromi Matsusaki
- Division of Food and Health Environmental Sciences, Department of Environmental and Symbiotic Sciences, Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto
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Sosa FM, Parada RB, Marguet ER, Vallejo M. Utilization of Agro-Industrial Byproducts for Bacteriocin Production Using Enterococcus spp. Strains Isolated from Patagonian Marine Invertebrates. Curr Microbiol 2021; 79:16. [PMID: 34905107 DOI: 10.1007/s00284-021-02712-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 11/08/2021] [Indexed: 10/19/2022]
Abstract
This work's objective was to determine the antagonist activity of 11 Enterococcus spp. using industrial food wastes as a culture medium. The strains were isolated from invertebrates collected on the Argentinian Patagonia coast and selected by their high antibacterial activity. Phenotypic and genotypic techniques allowed identifying five E. hirae strains, five E. faecium strains, and one E. mundtii strain. The cell-free supernatants displayed inhibitory activity against most of the Gram-positive bacteria tested and Vibrio anguilarum. PCR amplification techniques detected the encoding genes of enterocin P in ten strains, mundtiicin KS in seven strains, enterocin B in six strains, hiracin JM79 in five strains, and enterocin A in three strains. The strains did not show gelatinase or hemolytic activities and were sensitive to gentamicin, kanamycin, streptomycin, tylosine, tetracycline, chloramphenicol and vancomycin. Cheese whey and hot trub derived from beer brewing were used alone or in combination to assay enterocin production. In all cases, the highest inhibitory activities were achieved when mixtures of both byproducts were used as growth medium. The results suggest that the selected strains can produce high levels of enterocins in a low-cost media composed of a mix of cheese whey and hot trub without additional supplementation with carbon or nitrogen sources.
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Affiliation(s)
- Franco M Sosa
- Laboratorio de Biotecnología Bacteriana, Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia San Juan Bosco, Trelew, Chubut, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Romina B Parada
- Laboratorio de Biotecnología Bacteriana, Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia San Juan Bosco, Trelew, Chubut, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Emilio R Marguet
- Laboratorio de Biotecnología Bacteriana, Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia San Juan Bosco, Trelew, Chubut, Argentina
| | - Marisol Vallejo
- Laboratorio de Biotecnología Bacteriana, Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia San Juan Bosco, Trelew, Chubut, Argentina.
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Mokoena MP, Omatola CA, Olaniran AO. Applications of Lactic Acid Bacteria and Their Bacteriocins against Food Spoilage Microorganisms and Foodborne Pathogens. Molecules 2021; 26:7055. [PMID: 34834145 PMCID: PMC8622874 DOI: 10.3390/molecules26227055] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/10/2021] [Accepted: 11/18/2021] [Indexed: 12/19/2022] Open
Abstract
Lactic acid bacteria (LAB) are Gram-positive and catalase-negative microorganisms used to produce fermented foods. They appear morphologically as cocci or rods and they do not form spores. LAB used in food fermentation are from the Lactobacillus and Bifidobacterium genera and are useful in controlling spoilage and pathogenic microbes, due to the bacteriocins and acids that they produce. Consequently, LAB and their bacteriocins have emerged as viable alternatives to chemical food preservatives, curtesy of their qualified presumption of safety (QPS) status. There is growing interest regarding updated literature on the applications of LAB and their products in food safety, inhibition of the proliferation of food spoilage microbes and foodborne pathogens, and the mitigation of viral infections associated with food, as well as in the development of creative food packaging materials. Therefore, this review explores empirical studies, documenting applications and the extent to which LAB isolates and their bacteriocins have been used in the food industry against food spoilage microorganisms and foodborne pathogens including viruses; as well as to highlight the prospects of their numerous novel applications as components of hurdle technology to provide safe and quality food products.
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Affiliation(s)
- Mduduzi P. Mokoena
- Department of Biotechnology and Food Science, Durban University of Technology (Steve Biko Campus), P.O. Box 1334, Durban 4000, South Africa
| | - Cornelius A. Omatola
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban 4000, South Africa; (C.A.O.); (A.O.O.)
| | - Ademola O. Olaniran
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban 4000, South Africa; (C.A.O.); (A.O.O.)
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10
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Daba GM, El-Dien AN, Saleh SA, Elkhateeb WA, Awad G, Nomiyama T, Yamashiro K, Zendo T. Evaluation of Enterococcus strains newly isolated from Egyptian sources for bacteriocin production and probiotic potential. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.102058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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11
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Twomey E, Hill C, Field D, Begley M. Recipe for Success: Suggestions and Recommendations for the Isolation and Characterisation of Bacteriocins. Int J Microbiol 2021; 2021:9990635. [PMID: 34257667 PMCID: PMC8249226 DOI: 10.1155/2021/9990635] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/17/2021] [Accepted: 06/09/2021] [Indexed: 12/29/2022] Open
Abstract
Bacteriocins are bacterially produced antimicrobial peptides. Although only two peptides have been approved for use as natural preservatives foods, current research is focusing on expanding their application as potential therapeutics against clinical pathogens. Our laboratory group has been working on bacteriocins for over 25 years, and during that time, we have isolated bacteriocin-producing microorganisms from a variety of sources including human skin, human faeces, and various foods. These bacteriocins were purified and characterised, and their potential applications were examined. We have also identified bioengineered derivatives of the prototype lantibiotic nisin which possess more desirable properties than the wild-type, such as enhanced antimicrobial activity. In the current communication, we discuss the main methods that were employed to identify such peptides. Furthermore, we provide a step-by-step guide to carrying out these methods that include accompanying diagrams. We hope that our recommendations and advice will be of use to others in their search for, and subsequent analysis of, novel bacteriocins, and derivatives thereof.
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Affiliation(s)
- Ellen Twomey
- Department of Biological Sciences, Munster Technological University, Cork T12 P928, Ireland
| | - Colin Hill
- School of Microbiology, University College Cork, Cork T12YT20, Ireland
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland
| | - Des Field
- School of Microbiology, University College Cork, Cork T12YT20, Ireland
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland
| | - Máire Begley
- Department of Biological Sciences, Munster Technological University, Cork T12 P928, Ireland
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12
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Gomez JS, Parada RB, Vallejo M, Marguet ER, Bellomio A, Perotti N, de Carvalho KG. Assessment of the bioprotective potential of lactic acid bacteria against Listeria monocytogenes in ground beef. Arch Microbiol 2021; 203:1427-1437. [PMID: 33388790 DOI: 10.1007/s00203-020-02118-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 07/13/2020] [Accepted: 11/08/2020] [Indexed: 10/22/2022]
Abstract
Lactic acid bacteria can be considered as natural biopreservative and good biotechnological alternative to food safety. In this study, the antilisterial compounds produced by Enterococcus isolates from the Patagonian environment and their effectiveness for the control of Listeria monocytogenes in a food model were studied. Enterococcus isolates whose cell-free supernatant presented activity against Listeria monocytogenes were identified and evaluated for their virulence factors. The activity of the antimicrobial compounds produced by Enterococcus sp. against Listeria monocytogenes Scott A in meat gravy and ground beef during refrigerated storage was tested. The results indicated that ten Enterococcus isolates presented activity against Listeria monocytogenes and none of the selected strains presented virulence factors. L. monocytogenes in the food models containing the antilisterial compounds produced by Enterococcus sp. has decreased over the days, indicating that these compounds and cultures are an alternative to control the growth of L. monocytogenes in foods.
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Affiliation(s)
- Johana S Gomez
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI), CONICET, Av. Belgrano y Pje. Caseros, San Miguel de Tucumán, 4000, Tucumán, Argentina
| | - Romina B Parada
- Laboratorio de Biotecnología Bacteriana, Fac. de Cs. Naturales y Cs. de la Salud - UNPSJB, Sede Trelew, Chubut, Argentina
| | - Marisol Vallejo
- Laboratorio de Biotecnología Bacteriana, Fac. de Cs. Naturales y Cs. de la Salud - UNPSJB, Sede Trelew, Chubut, Argentina
| | - Emilio R Marguet
- Laboratorio de Biotecnología Bacteriana, Fac. de Cs. Naturales y Cs. de la Salud - UNPSJB, Sede Trelew, Chubut, Argentina
| | - Augusto Bellomio
- Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT) Instituto de Química Biológica "Dr. Bernabé Bloj", Facultad de Bioquímica, Química y Farmacia - Universidad Nacional de Tucumán, Batalla de Chacabuco, 461, San Miguel de Tucuman, Tucumán, 4000, Argentina
| | - Nora Perotti
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI), CONICET, Av. Belgrano y Pje. Caseros, San Miguel de Tucumán, 4000, Tucumán, Argentina
| | - Kátia G de Carvalho
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI), CONICET, Av. Belgrano y Pje. Caseros, San Miguel de Tucumán, 4000, Tucumán, Argentina.
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13
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Hua B, Feng H, Han J, Qiao Z, Wang X, Zhang Q, Liu Z, Wu Z. Isolation and Characterization of a New Fusaricidin-Type Antibiotic Produced by Paenibacillus bovis sp. nov BD3526. Curr Microbiol 2020; 77:3990-3999. [PMID: 33044619 DOI: 10.1007/s00284-020-02206-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 09/09/2020] [Indexed: 10/23/2022]
Abstract
Paenibacillus bovis sp. nov BD3526, isolated from raw yak (Bos grunniens) milk, was able to produce antibacterial substances against Micrococcus luteus. The antibacterial substances produced by the strain BD3526 in 3% (w/v) wheat bran broth under aerobic conditions were precipitated from the cultivated broth with ammonium sulfate at 60% saturation. Two antibacterial compounds were obtained by Sephadex LH-20 chromatography and semi-preparative reverse-phase high-performance liquid chromatography (Semi-Pre RP-HPLC). The chemical structures of the two antibacterial compounds were further elucidated by means of ultra high-performance liquid chromatography-mass spectrometer/mass spectrometer (UHPLC-MS/MS). One compound, with a molecular mass of 883.56195 Da (M + H)+, was determined to be identical in chemical structure with that of the well-known compound fusaricidin A. The other antimicrobial compound with a molecular mass of 911.59393 Da (M + H)+ was determined to be a derivative of fusaricidin A by tandem mass spectrometry and amino acid composition analysis and was designed as bovisin. Bovisin possessed the stability against acid/alkali, heat and some proteases treatment, the same with the fusaricidin A. However, the minimal inhibition concentration (MIC) of bovisin on the tested indicator including Staphylococcus aureus, Micrococcus luteus, Listeria monocytogenes and Bacillus subtilis were 50, 50, 50, 50 μg/mL, respectively, slightly higher than those of fusaricidin A (6.25, 6.25, 6.25, 12.5 μg/mL), indicating bovisin with a weaker inhibitory activity.
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Affiliation(s)
- Bangqing Hua
- State Key Laboratory of Dairy Biotechnology, Technology Center and Dairy Research Institute of Bright Dairy & Food Co. Ltd., Shanghai, 200436, People's Republic of China.,Shanghai Engineering Research Center of Dairy Biotechnology, Shanghai, 200436, People's Republic of China
| | - Huafeng Feng
- State Key Laboratory of Dairy Biotechnology, Technology Center and Dairy Research Institute of Bright Dairy & Food Co. Ltd., Shanghai, 200436, People's Republic of China.,Shanghai Engineering Research Center of Dairy Biotechnology, Shanghai, 200436, People's Republic of China
| | - Jin Han
- State Key Laboratory of Dairy Biotechnology, Technology Center and Dairy Research Institute of Bright Dairy & Food Co. Ltd., Shanghai, 200436, People's Republic of China.,Shanghai Engineering Research Center of Dairy Biotechnology, Shanghai, 200436, People's Republic of China
| | - Zhenyi Qiao
- State Key Laboratory of Dairy Biotechnology, Technology Center and Dairy Research Institute of Bright Dairy & Food Co. Ltd., Shanghai, 200436, People's Republic of China.,Shanghai Engineering Research Center of Dairy Biotechnology, Shanghai, 200436, People's Republic of China
| | - Xiaohua Wang
- State Key Laboratory of Dairy Biotechnology, Technology Center and Dairy Research Institute of Bright Dairy & Food Co. Ltd., Shanghai, 200436, People's Republic of China.,Shanghai Engineering Research Center of Dairy Biotechnology, Shanghai, 200436, People's Republic of China
| | - Qiuxiang Zhang
- Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Zhenmin Liu
- State Key Laboratory of Dairy Biotechnology, Technology Center and Dairy Research Institute of Bright Dairy & Food Co. Ltd., Shanghai, 200436, People's Republic of China.,Shanghai Engineering Research Center of Dairy Biotechnology, Shanghai, 200436, People's Republic of China.,Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Zhengjun Wu
- State Key Laboratory of Dairy Biotechnology, Technology Center and Dairy Research Institute of Bright Dairy & Food Co. Ltd., Shanghai, 200436, People's Republic of China. .,Shanghai Engineering Research Center of Dairy Biotechnology, Shanghai, 200436, People's Republic of China.
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14
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Improvement of Lactobacillus plantarum for the enhanced production of bacteriocin like inhibitory substance using combinatorial approach. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101386] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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15
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Parlindungan E, Dekiwadia C, May BK, Jones OA. Nutrient stress as a means to enhance the storage stability of spray dried microencapsulated Lactobacillus plantarum B21. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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16
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Delcarlo SB, Parada R, Schelegueda LI, Vallejo M, Marguet ER, Campos CA. From the isolation of bacteriocinogenic LAB strains to the application for fish paste biopreservation. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.04.079] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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17
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Vallejo M, Parada RB, Marguet ER. [Isolation of enterocin-producing Enterococcus hirae strains from the intestinal content of the Patagonian mussel (Mytilus edulis platensis)]. Rev Argent Microbiol 2019; 52:136-144. [PMID: 31320255 DOI: 10.1016/j.ram.2019.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 05/02/2019] [Accepted: 06/01/2019] [Indexed: 01/22/2023] Open
Abstract
Two bacteriocin-producing lactic acid bacterial strains were isolated from the intestinal content of the Patagonian mussel and characterized by phenotypic and molecular tests. The isolates were identified as Enterococcus hirae and named E. hirae 463Me and 471Me. The presence of the enterocin P gene was identified in both strains by PCR techniques, while enterocin hiracin JM79 was detected only in the 471Me strain. Both strains were sensitive to clinically important antibiotics and among the virulence traits investigated by PCR amplification, only cylLl and cylLs could be detected; however, no hemolytic activity was observed in the blood agar test. Cell free supernatants were active against all Listeria and Enterococcus strains tested, Lactobacillus plantarum TwLb 5 and Vibrio anguilarum V10. Under optimal growth conditions, both strains displayed inhibitory activity against Listeria innocua ATCC 33090 after 2h of incubation. E. hirae 471Me achieved a maximum activity of 163840AU/ml after 6h of incubation, while the same value was recorded for E. hirae 463Me after 8h. In both cases, the antagonist activity reached its maximum before the growth achieved the stationary phase and remained stable up to 24h of incubation. To our knowledge, this is first report of the isolation of bacteriocinogenic E. hirae strains from the Patagonian mussel. The high inhibitory activity and the absence of virulence traits indicate that they could be applied in different biotechnological areas such as food biopreservation or probiotic formulations.
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Affiliation(s)
- Marisol Vallejo
- Laboratorio de Biotecnología Bacteriana, Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia San Juan Bosco, Trelew, Chubut, Argentina
| | - Romina B Parada
- Laboratorio de Biotecnología Bacteriana, Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia San Juan Bosco, Trelew, Chubut, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), República Argentina
| | - Emilio R Marguet
- Laboratorio de Biotecnología Bacteriana, Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia San Juan Bosco, Trelew, Chubut, Argentina.
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18
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Garzón K, Ortega C, Tenea GN. Characterization of Bacteriocin-Producing Lactic Acid Bacteria Isolated from Native Fruits of Ecuadorian Amazon. Pol J Microbiol 2019; 66:473-481. [PMID: 29319514 DOI: 10.5604/01.3001.0010.7037] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Tropical, wild-type fruits are considered biodiverse "hotspots" of microorganisms with possible functional characteristics to be investigated. In this study, several native lactic acid bacteria (LAB) of Ecuadorian Amazon showing highly inhibitory potential were identified and characterized. Based on carbohydrate fermentation profile and 16S rRNA gene sequencing, seven strains were assigned as Lactobacillus plantarum and one strain as Weissella confusa. Using agar-well diffusion method the active synthetized components released in the neutralized and hydroxide peroxide eliminated cell-free supernatant were inhibited by proteolytic enzymes, while the activity was maintained stable after the treatment with catalase, lysozyme, α-amylase and lipase suggesting their proteinaceous nature. The inhibitory activity was stimulated by acidic conditions, upon exposure to high heat and maintained stable at different ranges of sodium chloride (4-10%). The DNA sequencing analysis confirmed the presence of plw structural gene encoding for plantacirin W in the selected L. plantarum strains. Moreover, we showed that the active peptides of Cys5-4 strains contrast effectively, in a bactericidal manner, the growth of food borne E. coli UTNEc1 and Salmonella UTNSm2, with about tree fold reduction of viable counts at the early stage of the target cell growth. The results indicated that the bacteriocin produced by selected native lactic acid bacteria strains has elevated capacity to suppress several pathogenic microorganisms implying their potential as antimicrobial agents or food preservatives.
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Affiliation(s)
- Karina Garzón
- Faculty of Engineering in Agricultural and Environmental Sciences, The Technical University of the North, Ibarra, Barrio El Olivo, Ecuador
| | - Clara Ortega
- Faculty of Engineering in Agricultural and Environmental Sciences, The Technical University of the North, Ibarra, Barrio El Olivo, Ecuador
| | - Gabriela N Tenea
- Faculty of Engineering in Agricultural and Environmental Sciences, The Technical University of the North, Ibarra, Barrio El Olivo, Ecuador
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Screening of the Enterocin-Encoding Genes and Their Genetic Determinism in the Bacteriocinogenic Enterococcus faecium GHB21. Probiotics Antimicrob Proteins 2018; 11:325-331. [PMID: 30027472 DOI: 10.1007/s12602-018-9448-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Enterococci are well-known for their ability to produce a variety of antimicrobial peptides called enterocins. Most of these enterocins withstand extreme conditions and are very effective against a broad spectrum of undesirable bacteria including some Gram-negative bacteria. The same enterococci strain can produce multiple enterocins simultaneously. The genetic determinants of these bacteriocins can either be located on plasmids or on bacterial chromosome. Digestion of Enterococcus faecium GHB21 plasmids with various restriction endonucleases suggests the presence of two plasmids named pGHB-21.1 and pGHB-21.2 whose respective sizes are ~ 10.0 kb and ~ 3.3 kb. The screening of enterocin-encoding genes among E. faecium GHB21 genome by PCR followed by amplicon sequencing indicated the presence of three different enterocin structural genes similar to entA, entB, and entP genes previously detected in other E. faecium strains. These enterocin genes were, subsequently, localized on the bacterial chromosome based on PCR-targeted screening using total DNA and plasmids of E. faecium GHB21 as separate templates.
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20
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Antimicrobial biodegradable food packaging impregnated with Bacteriocin 7293 for control of pathogenic bacteria in pangasius fish fillets. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2017.10.026] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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21
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Mokoena MP. Lactic Acid Bacteria and Their Bacteriocins: Classification, Biosynthesis and Applications against Uropathogens: A Mini-Review. Molecules 2017; 22:molecules22081255. [PMID: 28933759 PMCID: PMC6152299 DOI: 10.3390/molecules22081255] [Citation(s) in RCA: 285] [Impact Index Per Article: 40.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 07/15/2017] [Accepted: 07/25/2017] [Indexed: 12/14/2022] Open
Abstract
Several lactic acid bacteria (LAB) isolates from the Lactobacillus genera have been applied in food preservation, partly due to their antimicrobial properties. Their application in the control of human pathogens holds promise provided appropriate strains are scientifically chosen and a suitable mode of delivery is utilized. Urinary tract infection (UTI) is a global problem, affecting mainly diabetic patients and women. Many uropathogens are developing resistance to commonly used antibiotics. There is a need for more research on the ability of LAB to inhibit uropathogens, with a view to apply them in clinical settings, while adhering to strict selection guidelines in the choice of candidate LAB. While several studies have indicated the ability of LAB to elicit inhibitory activities against uropathogens in vitro, more in vivo and clinical trials are essential to validate the efficacy of LAB in the treatment and prevention of UTI. The emerging applications of LAB such as in adjuvant therapy, oral vaccine development, and as purveyors of bioprotective agents, are relevant in infection prevention and amelioration. Therefore, this review explores the potential of LAB isolates and their bacteriocins to control uropathogens, with a view to limit clinical use of antibiotics.
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Affiliation(s)
- Mduduzi Paul Mokoena
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal, Westville Campus, Private Bag X54001, Durban 4000, South Africa.
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22
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Grau T, Vilcinskas A, Joop G. Probiotic Enterococcus mundtii Isolate Protects the Model Insect Tribolium castaneum against Bacillus thuringiensis. Front Microbiol 2017; 8:1261. [PMID: 28736550 PMCID: PMC5500611 DOI: 10.3389/fmicb.2017.01261] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 06/23/2017] [Indexed: 12/30/2022] Open
Abstract
Enterococcus mundtii strains isolated from the larval feces of the Mediterranean flour moth Ephestia kuehniella show antimicrobial activity against a broad spectrum of Gram-positive and Gram-negative bacteria. The in vitro probiotic characterization of one isolate revealed a high auto-aggregation score, a hydrophilic cell surface, tolerance for low pH, no hemolytic activity, and susceptibility to all tested antibiotics. We used the red flour beetle Tribolium castaneum, an established model organism, for the in vivo characterization of one probiotic E. mundtii isolate from E. kuehniella larvae. Tribolium castaneum larvae were fed orally with the probiotic isolate or the corresponding supernatant and then infected with either the entomopathogen Bacillus thuringiensis or Pseudomonas entomophila. Larvae exposed to the isolate or the supernatant showed increased survival following infection with B. thuringiensis but not P. entomophila. Heat treatment or treatment with proteinase K reduced the probiotic effect of the supernatant. However, the increased resistance attracts a fitness penalty manifested as a shorter lifespan and reduced fertility. T. castaneum has, pending on further research, the potential as an alternative model for the pre-screening of probiotics.
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Affiliation(s)
- Thorben Grau
- Institute for Insect Biotechnology, Justus-Liebig-University GiessenGiessen, Germany
| | - Andreas Vilcinskas
- Institute for Insect Biotechnology, Justus-Liebig-University GiessenGiessen, Germany
- Department of Bioresources, Fraunhofer Institute for Molecular Biology and Applied EcologyGiessen, Germany
| | - Gerrit Joop
- Institute for Insect Biotechnology, Justus-Liebig-University GiessenGiessen, Germany
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23
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Current state of purification, isolation and analysis of bacteriocins produced by lactic acid bacteria. Appl Microbiol Biotechnol 2017; 101:1323-1335. [DOI: 10.1007/s00253-017-8088-9] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 12/21/2016] [Accepted: 12/23/2016] [Indexed: 12/30/2022]
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24
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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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25
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Ishibashi N, Seto H, Koga S, Zendo T, Sonomoto K. Identification of Lactococcus-Specific Bacteriocins Produced by Lactococcal Isolates, and the Discovery of a Novel Bacteriocin, Lactococcin Z. Probiotics Antimicrob Proteins 2016; 7:222-31. [PMID: 26093857 DOI: 10.1007/s12602-015-9196-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Lactic acid bacteria that produce Lactococcus-specific bacteriocins were isolated and identified as Lactococcus lactis from fresh corn or lettuce. Among them, four isolates were identified as lactococcin Q producers. Seven isolates showed antimicrobial activity against a lactococcin Q producer, L. lactis QU 4, as well as against nisin Z and lacticin Q producers belonging to L. lactis. Strain QU 7 was selected as a standard strain and showed no cross-immunity to lactococcin Q or other lactococcal bacteriocins. The bacteriocin produced by strain QU 7 was purified in three chromatographic steps, and its molecular mass was determined to be 5041.35 Da. The amino acid sequence analysis revealed that it is a novel class IId bacteriocin, referred to as lactococcin Z. It consisted of 45 amino acid residues. The lczA gene encoding the prepeptide of lactococcin Z showed homology to lactococcins A, B, and M. Thus, this report demonstrates a new example of Lactococcus-specific bacteriocins.
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Affiliation(s)
- Naoki Ishibashi
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka, 812-8581, Japan
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26
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Bacteriocinogenic Potential of Enterococcus faecium Isolated from Wine. Probiotics Antimicrob Proteins 2016; 8:150-60. [DOI: 10.1007/s12602-016-9222-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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27
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Shokri D, Rabbani Khorasgani M, Zaghian S, Fatemi SM, Mohkam M, Ghasemi Y, Taheri-Kafrani A. Determination of Acquired Resistance Profiles of Pseudomonas aeruginosa Isolates and Characterization of an Effective Bacteriocin-Like Inhibitory Substance (BLIS) Against These Isolates. Jundishapur J Microbiol 2016; 9:e32795. [PMID: 27800131 PMCID: PMC5080677 DOI: 10.5812/jjm.32795] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 12/25/2015] [Accepted: 04/18/2016] [Indexed: 01/29/2023] Open
Abstract
Background The emergence of pan-drug resistant strains (PDR) of Pseudomonas aeruginosa has led to renewed efforts to identify alternative agents, such as bacteriocins and bacteriocin-like inhibitory substances (BLISs). Objectives The aims of this study were to determine the acquired resistance profiles of multidrug-resistant (MDR), extensively drug-resistant (XDR), and PDR P. aeruginosa isolates based on the revised definitions of the CDC and ECDC and to screen and characterize effective BLISs against these isolates. Patients and Materials In a cross-sectional study, 96 P. aeruginosa strains were isolated during a 12-month period. The resistance profiles of these isolates were determined as MDR, XDR, and PDR, and the data were analyzed using WHONET5.6 software. A BLIS against the P. aeruginosa strains was characterized based on its physicochemical properties, size, growth curves, and production profiles. Results Among the 96 isolates of P. aeruginosa, 2 (2.1%), 94 (97.9%), and 63 (65.6%) were non-MDR, MDR, and XDR, respectively, and 1 (1.1%) was PDR. The most effective antibiotics against these isolates were polymyxins and fosfomycin. A BLIS isolated from the P. aeruginosa DSH22 strain had potent activity against 92 (95.8%) of the 96 isolates. The BLIS was heat stable, (up to 100°C for 10 min), UV stable, and active within a pH range of 3 - 9. The activity of BLIS disappeared when treated with trypsin, proteinase K, and pepsin, indicating its proteinous nature. Based on its size (25 kDa), the BLIS may belong to the large colicin-like bacteriocin family. BLIS production started in the midexponential phase of growth, and the maximum level (2700 AU/mL) occurred in the late-stationary phase after 25 hours of incubation at 30°C. Conclusions This BLIS with broad-spectrum activity may be a potential agent for the treatment or control of drug-resistant strains of P. aeruginosa infection.
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Affiliation(s)
- Dariush Shokri
- Department of Biology, Faculty of Sciences, University of Isfahan, Isfahan, IR Iran
| | - Mohammad Rabbani Khorasgani
- Department of Biology, Faculty of Sciences, University of Isfahan, Isfahan, IR Iran
- Corresponding author: Mohammad Rabbani Khorasgani, Department of Biology, Faculty of Sciences, University of Isfahan, Isfahan, IR Iran. Tel: +98-03137932480, Fax: +98-3137932456, E-mail:
| | - Saeideh Zaghian
- Nanobiotechnology Department, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, IR Iran
| | - Seyed Masih Fatemi
- Department of Microbiology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, IR Iran
| | - Milad Mohkam
- Department of Pharmaceutical Biotechnology, Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, IR Iran
| | - Younes Ghasemi
- Department of Pharmaceutical Biotechnology, Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, IR Iran
| | - Asghar Taheri-Kafrani
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, IR Iran
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Antibacterial Activity of Probiotic Lactobacillus plantarum HK01: Effect of Divalent Metal Cations and Food Additives on Production Efficiency of Antibacterial Compounds. Probiotics Antimicrob Proteins 2016; 5:121-30. [PMID: 26782737 DOI: 10.1007/s12602-013-9130-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
One hundred and sixty lactic acid bacteria, isolated from Iranian traditional dairy products, were screened for antibacterial potential. Among them, an isolate showing remarkable antibacterial activity against both Staphylococcus aureus (PTCC 1112) and Escherichia coli (PTCC 1338) was selected based on minimum inhibitory concentration (AU/mL). The morphological and biochemical characteristics of the isolate matched the literature description about genus Lactobacillus. Partial sequencing of 16S rRNA gene and its alignment with other Lactobacillus strains revealed that the isolate was closely related to the Lactobacillus plantarum. The isolate also exhibited the highest similarity (>99 %) to L. plantarum. We thus tentatively classified the bacterial isolate as L. plantarum HK01. The antibacterial active compound from HK01 strain remained stable for 45 min at 121 °C, and it reached a maximum activity at the end of log phase and the early part of stationary phase. The antibacterial activity of the test isolate, its probiotic properties and production efficacy through addition of some divalent metal cations and food additives were studied as well. The study of bile salt hydrolase (BSH) activity as a function of growth revealed that HK01 strain hydrolysing up to 5 % of sodium salt of glycodeoxycholic acid, correlated with the presence of bsh gene in the isolate. HK01 strain showed high resistance to lysozyme, good adaptation to simulated gastric juice and a moderate bile tolerance. Results obtained from simulated gastric juice conditions showed no significant difference occured during the 70 min. HK01 strain was classified as a strain with low hydrophobicity (34.2 %). Addition of trisodium citrate dehydrates as a food-grade chelator of divalent cations restored antibacterial compound production in MRS broth. Antibacterial compounds of L. plantarum HK01 endured treatment with 10 g/L of SDS, Tween 20, Tween 80 and urea. Concerning food additives, the results demonstrated that antibacterial compound production by L. plantarum HK01 was influenced by the presence of surfactants, EDTA, KCl and sodium citrate.
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Synergistic antimicrobial action and potential application for fish preservation of a bacteriocin produced by Enterococcus mundtii isolated from Odontesthes platensis. Lebensm Wiss Technol 2015. [DOI: 10.1016/j.lwt.2015.06.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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30
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Woraprayote W, Pumpuang L, Tosukhowong A, Roytrakul S, Perez RH, Zendo T, Sonomoto K, Benjakul S, Visessanguan W. Two putatively novel bacteriocins active against Gram-negative food borne pathogens produced by Weissella hellenica BCC 7293. Food Control 2015. [DOI: 10.1016/j.foodcont.2015.02.036] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Potential of bacteriocin-producing lactic acid bacteria for safety improvements of traditional Thai fermented meat and human health. Meat Sci 2015; 109:101-5. [PMID: 26100576 DOI: 10.1016/j.meatsci.2015.05.030] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 05/13/2015] [Accepted: 05/15/2015] [Indexed: 11/20/2022]
Abstract
Lactic acid bacteria (LAB) are very important in converting of agricultural products into safe, delicious and shelf stable foods for human consumption. The preservative activity of LAB in foods is mainly attributed to the production of anti-microbial metabolites such as organic acids and bacteriocins which enables them to grow and control the growth of pathogens and spoilage microorganisms. Besides ensuring safety, bacteriocin-producing LAB with their probiotic potentials could also be emerging as a means to develop functional meat products with desirable health benefits. Nevertheless, to be qualified as a candidate probiotic culture, other prerequisite probiotic properties of bacteriocin-producing LAB have to be assessed according to regulatory guidelines for probiotics. Nham is an indigenous fermented sausage of Thailand that has gained popularity and acceptance among Thais. Since Nham is made from raw meat and is usually consumed without cooking, risks due to undesirable microorganisms such as Salmonella spp., Staphylococcus aureus, and Listeria monocytogenes, are frequently observed. With an ultimate goal to produce safer and healthier product, our research attempts on the development of a variety of new Nham products are discussed.
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Enterocin F4-9, a Novel O-Linked Glycosylated Bacteriocin. Appl Environ Microbiol 2015; 81:4819-26. [PMID: 25956765 DOI: 10.1128/aem.00940-15] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 05/04/2015] [Indexed: 11/20/2022] Open
Abstract
Enterococcus faecalis F4-9 isolated from Egyptian salted-fermented fish produces a novel bacteriocin, termed enterocin F4-9. Enterocin F4-9 was purified from the culture supernatant by three steps, and its molecular mass was determined to be 5,516.6 Da by mass spectrometry. Amino acid and DNA sequencing showed that the propeptide consists of 67 amino acid residues, with a leader peptide containing a double glycine cleavage site to produce a 47-amino-acid mature peptide. Enterocin F4-9 is modified by two molecules of N-acetylglucosamine β-O-linked to Ser37 and Thr46. The O-linked N-acetylglucosamine moieties are essential for the antimicrobial activity of enterocin F4-9. Further analysis of the enterocin F4-9 gene cluster identified enfC, which has high sequence similarity to a glycosyltransferase. The antimicrobial activity of enterocin F4-9 covered a limited range of bacteria, including, interestingly, a Gram-negative strain, Escherichia coli JM109. Enterocin F4-9 is sensitive to protease, active at a wide pH range, and moderately resistant to heat.
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Vallejo M, Ledesma P, Anselmino L, Marguet E. Efecto de las condiciones de crecimiento y composición del medio de cultivo sobre la producción de bacteriocina de Enterococcus mundtii Tw56. REVISTA COLOMBIANA DE BIOTECNOLOGÍA 2014. [DOI: 10.15446/rev.colomb.biote.v16n2.47238] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Antimicrobial activity of a UV-stable bacteriocin-like inhibitory substance (BLIS) produced by Enterococcus faecium strain DSH20 against vancomycin-resistant Enterococcus (VRE) strains. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2014; 47:371-6. [DOI: 10.1016/j.jmii.2013.05.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2013] [Revised: 05/02/2013] [Accepted: 05/07/2013] [Indexed: 11/24/2022]
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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: 278] [Impact Index Per Article: 27.8] [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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Jaouani I, Abbassi M, Alessandria V, Bouraoui J, Ben Salem R, Kilani H, Mansouri R, Messadi L, Cocolin L. High inhibition of Paenibacillus larvae
and Listeria monocytogenes
by Enterococcus
isolated from different sources in Tunisia and identification of their bacteriocin genes. Lett Appl Microbiol 2014; 59:17-25. [DOI: 10.1111/lam.12239] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 02/16/2014] [Accepted: 02/17/2014] [Indexed: 11/27/2022]
Affiliation(s)
- I. Jaouani
- Laboratory of Bacteriological Research; Institute of Veterinary Research of Tunisia; Bab Saadoun Tunis Tunisia
| | - M.S. Abbassi
- Laboratory of Bacteriological Research; Institute of Veterinary Research of Tunisia; Bab Saadoun Tunis Tunisia
| | - V. Alessandria
- Dipartimento di Scienze Agrarie; Forestali e Alimentari; Università di Torino; Grugliasco Turin Italy
| | - J. Bouraoui
- Laboratory of Bacteriological Research; Institute of Veterinary Research of Tunisia; Bab Saadoun Tunis Tunisia
| | - R. Ben Salem
- Laboratory of Bacteriological Research; Institute of Veterinary Research of Tunisia; Bab Saadoun Tunis Tunisia
| | - H. Kilani
- Laboratory of Bacteriological Research; Institute of Veterinary Research of Tunisia; Bab Saadoun Tunis Tunisia
| | - R. Mansouri
- Laboratory of Bacteriological Research; Institute of Veterinary Research of Tunisia; Bab Saadoun Tunis Tunisia
| | - L. Messadi
- National School of Veterinary Medicine; Department of Microbiology and Immunology; La Manouba University; Sidi Thabet Tunisia
| | - L. Cocolin
- Dipartimento di Scienze Agrarie; Forestali e Alimentari; Università di Torino; Grugliasco Turin Italy
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Shiwa Y, Yanase H, Hirose Y, Satomi S, Araya-Kojima T, Watanabe S, Zendo T, Chibazakura T, Shimizu-Kadota M, Yoshikawa H, Sonomoto K. Complete genome sequence of Enterococcus mundtii QU 25, an efficient L-(+)-lactic acid-producing bacterium. DNA Res 2014; 21:369-77. [PMID: 24568933 PMCID: PMC4131831 DOI: 10.1093/dnares/dsu003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Enterococcus mundtii QU 25, a non-dairy bacterial strain of ovine faecal origin, can ferment both cellobiose and xylose to produce l-lactic acid. The use of this strain is highly desirable for economical l-lactate production from renewable biomass substrates. Genome sequence determination is necessary for the genetic improvement of this strain. We report the complete genome sequence of strain QU 25, primarily determined using Pacific Biosciences sequencing technology. The E. mundtii QU 25 genome comprises a 3 022 186-bp single circular chromosome (GC content, 38.6%) and five circular plasmids: pQY182, pQY082, pQY039, pQY024, and pQY003. In all, 2900 protein-coding sequences, 63 tRNA genes, and 6 rRNA operons were predicted in the QU 25 chromosome. Plasmid pQY024 harbours genes for mundticin production. We found that strain QU 25 produces a bacteriocin, suggesting that mundticin-encoded genes on plasmid pQY024 were functional. For lactic acid fermentation, two gene clusters were identified—one involved in the initial metabolism of xylose and uptake of pentose and the second containing genes for the pentose phosphate pathway and uptake of related sugars. This is the first complete genome sequence of an E. mundtii strain. The data provide insights into lactate production in this bacterium and its evolution among enterococci.
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Affiliation(s)
- Yuh Shiwa
- Genome Research Center, NODAI Research Institute, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Hiroaki Yanase
- Department of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Yuu Hirose
- Electronics-Inspired Interdisciplinary Research Institute (EIIRIS), Toyohashi University of Technology, Toyohashi 441-8580, Japan
| | - Shohei Satomi
- Laboratory of Microbial Technology, Division of Applied Molecular Microbiology and Biomass Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
| | - Tomoko Araya-Kojima
- Department of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Satoru Watanabe
- Department of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Takeshi Zendo
- Laboratory of Microbial Technology, Division of Applied Molecular Microbiology and Biomass Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
| | - Taku Chibazakura
- Department of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Mariko Shimizu-Kadota
- Department of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan Department of Environmental Science, Musashino University, 3-3-3 Ariake, Koto-ku, Tokyo 135-0063, Japan
| | - Hirofumi Yoshikawa
- Genome Research Center, NODAI Research Institute, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan Department of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Kenji Sonomoto
- Laboratory of Microbial Technology, Division of Applied Molecular Microbiology and Biomass Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
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Settanni L, Guarcello R, Gaglio R, Francesca N, Aleo A, Felis GE, Moschetti G. Production, stability, gene sequencing and in situ anti-Listeria activity of mundticin KS expressed by three Enterococcus mundtii strains. Food Control 2014. [DOI: 10.1016/j.foodcont.2013.07.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Espeche MC, Juárez Tomás MS, Wiese B, Bru E, Nader-Macías MEF. Physicochemical factors differentially affect the biomass and bacteriocin production by bovine Enterococcus mundtii CRL1656. J Dairy Sci 2013; 97:789-97. [PMID: 24359825 DOI: 10.3168/jds.2013-7070] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Accepted: 10/28/2013] [Indexed: 01/29/2023]
Abstract
Bovine Enterococcus mundtii CRL1656 (Centro de Referencia para Lactobacilos Culture Collection) produces an anti-Listeria and anti-Streptococcus dysgalactiae bacteriocin identified as mundticin CRL1656. The strain and its bacteriocin are candidates to be included in a beneficial product to prevent bovine mastitis as an alternative to antimicrobial agents. To optimize the production of biomass and mundticin CRL1656 by E. mundtii CRL1656, a complete 3 × 2(4) factorial design was applied. The effect of culture medium, initial pH, inoculum size, incubation temperature, and agitation conditions on biomass and bacteriocin production was evaluated simultaneously. Growth parameters were determined using the modified Gompertz model. A nonlinear model was used to estimate the effects of the variables on growth parameters. Bacteriocin production was analyzed using a linear mixed model. Optimal biomass and mundticin CRL1656 production by E. mundtii CRL1656 were obtained in different conditions. Maximal growth was recorded in autolyzed yeast, peptone, tryptone, Tween 80, and glucose or M17 broths, pH 6.5, 5.0% inoculum, 30 °C, with agitation. However, bacteriocin titers were higher in autolyzed yeast, peptone, tryptone, Tween 80, and glucose or de Man-Rogosa-Sharpe (MRS) broths, pH 6.5, 30°C, both with or without agitation. Knowledge of the optimum conditions for growth and bacteriocin production of E. mundtii CRL1656 will allow the obtainment of high levels of biomass and mundticin CRL1656 as bioingredients of potential products to prevent bovine mastitis.
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Affiliation(s)
- M Carolina Espeche
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina, 4000 San Miguel de Tucumán, Argentina
| | - M Silvina Juárez Tomás
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina, 4000 San Miguel de Tucumán, Argentina
| | - Birgitt Wiese
- Institut für Biometrie, Medizinische Hochschule, 30625 Hannover, Germany
| | - Elena Bru
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina, 4000 San Miguel de Tucumán, Argentina
| | - M E Fátima Nader-Macías
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina, 4000 San Miguel de Tucumán, Argentina.
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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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Honeybees and beehives are rich sources for fructophilic lactic acid bacteria. Syst Appl Microbiol 2013; 36:444-8. [PMID: 23845309 DOI: 10.1016/j.syapm.2013.06.002] [Citation(s) in RCA: 114] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Revised: 06/04/2013] [Accepted: 06/04/2013] [Indexed: 12/14/2022]
Abstract
Fructophilic lactic acid bacteria (FLAB) are a specific group of lactic acid bacteria (LAB) characterized and described only recently. They prefer fructose as growth substrate and inhabit only fructose-rich niches. Honeybees are high-fructose-consuming insects and important pollinators in nature, but reported to be decreasing in the wild. In the present study, we analyzed FLAB microbiota in honeybees, larvae, fresh honey and bee pollen. A total of 66 strains of LAB were isolated from samples using a selective isolation technique for FLAB. Surprisingly, all strains showed fructophilic characteristics. The 66 strains and ten FLAB strains isolated from flowers in a separate study were genotypically separated into six groups, four of which being identified as Lactobacillus kunkeei and two as Fructobacillus fructosus. One of the L. kunkeei isolates showed antibacterial activity against Melissococcus plutonius, a causative pathogen of European foulbrood, this protection being attributable to production of an antibacterial peptide or protein. Culture-independent analysis suggested that bee products and larvae contained simple Lactobacillus-group microbiota, dominated by L. kunkeei, although adult bees carried a more complex microbiota. The findings clearly demonstrate that honeybees and their products are rich sources of FLAB, and FLAB are potential candidates for future bee probiotics.
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Cui Y, Zhang C, Wang Y, Shi J, Zhang L, Ding Z, Qu X, Cui H. Class IIa bacteriocins: diversity and new developments. Int J Mol Sci 2012; 13:16668-707. [PMID: 23222636 PMCID: PMC3546714 DOI: 10.3390/ijms131216668] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Revised: 10/10/2012] [Accepted: 11/12/2012] [Indexed: 12/02/2022] Open
Abstract
Class IIa bacteriocins are heat-stable, unmodified peptides with a conserved amino acids sequence YGNGV on their N-terminal domains, and have received much attention due to their generally recognized as safe (GRAS) status, their high biological activity, and their excellent heat stability. They are promising and attractive agents that could function as biopreservatives in the food industry. This review summarizes the new developments in the area of class IIa bacteriocins and aims to provide uptodate information that can be used in designing future research.
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Affiliation(s)
- Yanhua Cui
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China; E-Mails: (Y.C.); (C.Z.); (Z.D.)
| | - Chao Zhang
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China; E-Mails: (Y.C.); (C.Z.); (Z.D.)
| | - Yunfeng Wang
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, China; E-Mail:
| | - John Shi
- Guelph Food Research Center, Agriculture and Agri-Food Canada, Guelph, ON N1G5C9, Canada; E-Mail:
| | - Lanwei Zhang
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China; E-Mails: (Y.C.); (C.Z.); (Z.D.)
| | - Zhongqing Ding
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China; E-Mails: (Y.C.); (C.Z.); (Z.D.)
| | - Xiaojun Qu
- Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin 150010, China; E-Mail:
| | - Hongyu Cui
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, China; E-Mail:
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Application of bacteriocinogenic Enterococcus mundtii CRL35 and Enterococcus faecium ST88Ch in the control of Listeria monocytogenes in fresh Minas cheese. Food Microbiol 2012; 32:38-47. [DOI: 10.1016/j.fm.2012.04.005] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2011] [Revised: 03/08/2012] [Accepted: 04/04/2012] [Indexed: 11/21/2022]
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Bigwood T, Hudson JA, Cooney J, McIntyre L, Billington C, Heinemann JA, Wall F. Inhibition of Listeria monocytogenes by Enterococcus mundtii isolated from soil. Food Microbiol 2012; 32:354-60. [PMID: 22986201 DOI: 10.1016/j.fm.2012.07.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Revised: 07/23/2012] [Accepted: 07/30/2012] [Indexed: 11/15/2022]
Abstract
Two bacterial isolates with inhibitory activity against Listeria monocytogenes and Enterococcus faecalis were obtained from soil. Genotypic and phenotypic characterization identified them as Enterococcus mundtii, a species whose ability to compete with L. monocytogenes is relatively unexplored compared to other members of the genus. The thermal stability of the inhibitory factor and its sensitivity to proteolytic enzymes indicate that it is most likely a bacteriocin. Both isolates grew at comparable rates to L. monocytogenes at 5 °C and 10 °C in vitro. One isolate killed L. monocytogenes when it reached concentrations of 10(6)-10(8) CFU ml(-1). Minimum inocula of 10(6) and 10(5) CFU ml(-1) of E. mundtii were required to reduce and maintain L. monocytogenes concentrations beneath the level of detection at 5 °C and 10 °C, respectively. In situ experiments at 5 °C showed that E. mundtii inhibited the growth of L. monocytogenes on vacuum-packed cold smoked salmon during its four week shelf life. E. mundtii could, therefore, control the growth of L. monocytogenes at low temperatures, indicating a potential application in controlling this pathogen in chilled foods. To control growth of Listeria, the concentration of E. mundtii needs to be high, but it is possible that a purified bacteriocin could be used to achieve the same effect.
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Affiliation(s)
- T Bigwood
- Food Safety Programme, Institute of Environmental Science and Research Ltd (ESR), Christchurch Science Centre, PO Box 29-181, Ilam, Christchurch, New Zealand.
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Masuda Y, Zendo T, Sawa N, Perez RH, Nakayama J, Sonomoto K. Characterization and identification of weissellicin Y and weissellicin M, novel bacteriocins produced by Weissella hellenica QU 13. J Appl Microbiol 2011; 112:99-108. [PMID: 22008177 DOI: 10.1111/j.1365-2672.2011.05180.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS To identify and characterize novel bacteriocins from Weissella hellenica QU 13. METHODS AND RESULTS Weissella hellenica QU 13, isolated from a barrel used to make Japanese pickles, produced two novel bacteriocins termed weissellicin Y and weissellicin M. The primary structures of weissellicins Y and M were determined, and their molecular masses were determined to be 4925·12 and 4968·40 Da, respectively. Analysis of the DNA sequence encoding the bacteriocins revealed that they were synthesized and secreted without N-terminal extensions such as leader sequences or sec signal peptides. Weissellicin M showed significantly high and characteristic homology with enterocins L50A and L50B, produced by Enterococcus faecium L50, while weissellicin Y showed no homology with any other known bacteriocins. Both bacteriocins showed broad antimicrobial spectra, with especially high antimicrobial activity against species, which contaminate pickles, such as Bacillus coagulans, and weissellicin M showed relatively higher activity than weissellicin Y. Furthermore, the stability of weissellicin M against pH and heat was distinctively higher than that of weissellicin Y. CONCLUSIONS Weissella hellenica QU 13 produced two novel leaderless bacteriocins, weissellicin Y and weissellicin M, and weissellicin M exhibited remarkable potency that could be employed by pickle-producing industry. SIGNIFICANCE AND IMPACT OF THE STUDY This study is the first report, which represents a complete identification and characterization of novel leaderless bacteriocins from Weissella genus.
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Affiliation(s)
- Y Masuda
- Laboratory of Microbial Technology, Division of Applied Molecular Microbiology and Biomass Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, Higashi-ku, Fukuoka, Japan
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Aguilar-Galvez A, Dubois-Dauphin R, Campos D, Thonart P. Genetic determination and localization of multiple bacteriocins produced by Enterococcus faecium CWBI-B1430 and Enterococcus mundtii CWBI-B1431. Food Sci Biotechnol 2011. [DOI: 10.1007/s10068-011-0041-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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47
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The influence of growth conditions on enterocin-like production by Enterococcus faecium CWBI-B1430 and Enterococcus mundtii CWBI-B1431 isolates from artisanal Peruvian cheeses. ANN MICROBIOL 2011. [DOI: 10.1007/s13213-011-0219-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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48
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Ikeda S, Anda M, Inaba S, Eda S, Sato S, Sasaki K, Tabata S, Mitsui H, Sato T, Shinano T, Minamisawa K. Autoregulation of nodulation interferes with impacts of nitrogen fertilization levels on the leaf-associated bacterial community in soybeans. Appl Environ Microbiol 2011; 77:1973-80. [PMID: 21239540 PMCID: PMC3067336 DOI: 10.1128/aem.02567-10] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2010] [Accepted: 01/07/2011] [Indexed: 11/20/2022] Open
Abstract
The diversities leaf-associated bacteria on nonnodulated (Nod(-)), wild-type nodulated (Nod(+)), and hypernodulated (Nod(++)) soybeans were evaluated by clone library analyses of the 16S rRNA gene. To analyze the impact of nitrogen fertilization on the bacterial leaf community, soybeans were treated with standard nitrogen (SN) (15 kg N ha(-1)) or heavy nitrogen (HN) (615 kg N ha(-1)) fertilization. Under SN fertilization, the relative abundance of Alphaproteobacteria was significantly higher in Nod(-) and Nod(++) soybeans (82% to 96%) than in Nod(+) soybeans (54%). The community structure of leaf-associated bacteria in Nod(+) soybeans was almost unaffected by the levels of nitrogen fertilization. However, differences were visible in Nod(-) and Nod(++) soybeans. HN fertilization drastically decreased the relative abundance of Alphaproteobacteria in Nod(-) and Nod(++) soybeans (46% to 76%) and, conversely, increased those of Gammaproteobacteria and Firmicutes in these mutant soybeans. In the Alphaproteobacteria, cluster analyses identified two operational taxonomic units (OTUs) (Aurantimonas sp. and Methylobacterium sp.) that were especially sensitive to nodulation phenotypes under SN fertilization and to nitrogen fertilization levels. Arbuscular mycorrhizal infection was not observed on the root tissues examined, presumably due to the rotation of paddy and upland fields. These results suggest that a subpopulation of leaf-associated bacteria in wild-type Nod(+) soybeans is controlled in similar ways through the systemic regulation of autoregulation of nodulation, which interferes with the impacts of N levels on the bacterial community of soybean leaves.
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Affiliation(s)
- Seishi Ikeda
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Mizue Anda
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Shoko Inaba
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Shima Eda
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Shusei Sato
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Kazuhiro Sasaki
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Satoshi Tabata
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Hisayuki Mitsui
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Tadashi Sato
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Takuro Shinano
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
| | - Kiwamu Minamisawa
- Graduate School of Life Sciences, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan, Memuro Research Station, National Agricultural Research Center for Hokkaido Region, Shinsei, Memuro-cho, Kasaigun, Hokkaido 082-0081, Japan, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan, National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8555, Japan
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The role of environmental factors and medium composition on bacteriocin production by an aquaculture probiotic Enterococcus faecium MC13 isolated from fish intestine. KOREAN J CHEM ENG 2011. [DOI: 10.1007/s11814-010-0443-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Abdel-Rahman MA, Tashiro Y, Zendo T, Shibata K, Sonomoto K. Isolation and characterisation of lactic acid bacterium for effective fermentation of cellobiose into optically pure homo l-(+)-lactic acid. Appl Microbiol Biotechnol 2010; 89:1039-49. [DOI: 10.1007/s00253-010-2986-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2010] [Revised: 10/25/2010] [Accepted: 10/25/2010] [Indexed: 11/25/2022]
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