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Oliveira FS, da Silva Rodrigues R, Cavicchioli VQ, de Carvalho AF, Nero LA. Influence of different culture media on the antimicrobial activity of Pediococcus pentosaceus ST65ACC against Listeria monocytogenes. Braz J Microbiol 2024; 55:2539-2545. [PMID: 38789904 PMCID: PMC11405628 DOI: 10.1007/s42770-024-01391-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
Pediococcus pentosaceus ST65ACC is a bacteriocinogenic lactic acid bacteria (LAB) isolated from Brazilian artisanal cheese that is capable of inhibiting different food pathogens, mainly Listeria monocytogenes. The production of bacteriocins can be influenced by several growth conditions, such as temperature, pH, and medium composition. This study aimed to evaluate the effect of different culture media on the production of bacteriocins and antimicrobial activity of P. pentosaceus ST65ACC on L. monocytogenes Scott A. The strains were inoculated alone and in coculture in four different media: BHI broth, MRS broth, meat broth, and reconstituted skim milk (RSM) 10% (w/v). The culture media were then incubated at 37 °C for 96 h, and count analysis, pH measurement, and bacteriocin production were performed at 0, 24, 48, 72 and 96 h. L. monocytogenes was inhibited to nondetectable levels in coculture with P. pentosaceus ST65ACC in MRS broth within 96 h, consistent with the high production of bacteriocin throughout the analysis period (3,200-12,800 AU/mL). However, lower inhibitory activities of P. pentosaceus ST65ACC on L. monocytogenes Scott A were recorded in BHI, RSM, and meat broth, with low or no production of bacteriocins at the analyzed times. The composition of these culture media may have repressed the production and activity of bacteriocins and, consequently, the antagonist activity of P. pentosaceus ST65ACC on L. monocytogenes Scott A. The results showed that the antimicrobial activity was more effective in MRS broth, presenting greater production of bacteriocins and less variability when compared to the other media analyzed.
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Affiliation(s)
- Francielly Soares Oliveira
- Departamento de Veterinária, InsPOA- Laboratório de Inspeção de Produtos de Origem Animal, Universidade Federal de Viçosa, Viçosa, 36570 900, MG, Brazil
- InovaLeite - Laboratório de Pesquisa em Leites e Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, 36570 900, MG, Brazil
| | - Rafaela da Silva Rodrigues
- Departamento de Veterinária, InsPOA- Laboratório de Inspeção de Produtos de Origem Animal, Universidade Federal de Viçosa, Viçosa, 36570 900, MG, Brazil
- InovaLeite - Laboratório de Pesquisa em Leites e Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, 36570 900, MG, Brazil
| | - Valéria Quintana Cavicchioli
- Centro de Pesquisa em Alimentos, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, 74690 900, GO, Brazil
| | - Antônio Fernandes de Carvalho
- InovaLeite - Laboratório de Pesquisa em Leites e Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, 36570 900, MG, Brazil
| | - Luís Augusto Nero
- Departamento de Veterinária, InsPOA- Laboratório de Inspeção de Produtos de Origem Animal, Universidade Federal de Viçosa, Viçosa, 36570 900, MG, Brazil.
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Kompramool S, Singkhamanan K, Pomwised R, Chaichana N, Suwannasin S, Wonglapsuwan M, Jitpakdee J, Kantachote D, Yaikhan T, Surachat K. Genomic Insights into Pediococcus pentosaceus ENM104: A Probiotic with Potential Antimicrobial and Cholesterol-Reducing Properties. Antibiotics (Basel) 2024; 13:813. [PMID: 39334988 PMCID: PMC11428213 DOI: 10.3390/antibiotics13090813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2024] [Revised: 08/22/2024] [Accepted: 08/26/2024] [Indexed: 09/30/2024] Open
Abstract
Pediococcus pentosaceus, which often occurs in fermented foods, is characterized by numerous positive effects on the human health, such as the presence of possible probiotic abilities, the reduction of cholesterol levels, satisfactory antimicrobial activity, and certain therapeutic functions. This study was conducted with the goal of describing the genomic content of Pediococcus pentosaceus ENM104, a strain known for its inhibitory effects against pathogenic bacteria and its remarkable probiotic potential, including the induction of significant reductions in cholesterol levels and the production of γ-aminobutyric acid (GABA). The P. pentosaceus ENM104 chromosome is circular. The chromosome is 1,734,928 bp with a GC content of 37.2%. P. pentosaceus also harbors a circular plasmid, pENM104, that is 71,811 bp with a GC content of 38.1%. Functional annotations identified numerous genes associated with probiotic traits, including those involved in stress adaptation (e.g., heat stress: htpX, dnaK, and dnaJ), bile tolerance (e.g., ppaC), vitamin biosynthesis (e.g., ribU, ribZ, ribF, and btuD), immunomodulation (e.g., dltA, dltC, and dltD), and bacteriocin production (e.g., pedA). Notably, genes responsible for lowering cholesterol levels (bile salt hydrolase, bsh) and GABA synthesis (glutamate/GABA antiporter, gadC) were also identified. The in vitro assay results using cell-free supernatants of P. pentosaceus ENM104 revealed antibacterial activity against carbapenem-resistant bacteria, such as Pseudomonas aeruginosa, Klebsiella pneumoniae, and Acinetobacter baumannii, and the inhibition zone diameter increased progressively over time. This comprehensive study provides valuable insights into the molecular characteristics of P. pentosaceus ENM104, emphasizing its potential as a probiotic. Its notable cholesterol-lowering, GABA-producing, and antimicrobial capabilities suggest promising applications in the pharmaceutical and food industries. Future research should focus on further exploring these functional properties and assessing the strain's efficacy in clinical settings.
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Affiliation(s)
- Siriwan Kompramool
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (S.K.); (K.S.); (N.C.); (S.S.); (T.Y.)
| | - Kamonnut Singkhamanan
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (S.K.); (K.S.); (N.C.); (S.S.); (T.Y.)
| | - Rattanaruji Pomwised
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (R.P.); (M.W.); (J.J.); (D.K.)
| | - Nattarika Chaichana
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (S.K.); (K.S.); (N.C.); (S.S.); (T.Y.)
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (R.P.); (M.W.); (J.J.); (D.K.)
| | - Sirikan Suwannasin
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (S.K.); (K.S.); (N.C.); (S.S.); (T.Y.)
| | - Monwadee Wonglapsuwan
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (R.P.); (M.W.); (J.J.); (D.K.)
| | - Jirayu Jitpakdee
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (R.P.); (M.W.); (J.J.); (D.K.)
| | - Duangporn Kantachote
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (R.P.); (M.W.); (J.J.); (D.K.)
| | - Thunchanok Yaikhan
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (S.K.); (K.S.); (N.C.); (S.S.); (T.Y.)
| | - Komwit Surachat
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; (S.K.); (K.S.); (N.C.); (S.S.); (T.Y.)
- Translational Medicine Research Center, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
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Lima JMS, Carneiro KO, Pinto UM, Todorov SD. Bacteriocinogenic anti-listerial properties and safety assessment of Enterococcus faecium and Lactococcus garvieae strains isolated from Brazilian artisanal cheesemaking environment. J Appl Microbiol 2024; 135:lxae159. [PMID: 38925659 DOI: 10.1093/jambio/lxae159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 05/17/2024] [Accepted: 06/25/2024] [Indexed: 06/28/2024]
Abstract
AIMS This study aimed to prospect and isolate lactic acid bacteria (LAB) from an artisanal cheese production environment, to assess their safety, and to explore their bacteriocinogenic potential against Listeria monocytogenes. METHODS AND RESULTS Samples were collected from surfaces of an artisanal-cheese production facility and after rep-PCR and 16S rRNA sequencing analysis, selected strains were identified as to be belonging to Lactococcus garvieae (1 strain) and Enterococcus faecium (14 isolates, grouped into three clusters) associated with different environments (worktables, cheese mold, ripening wooden shelves). All of them presented bacteriocinogenic potential against L. monocytogenes ATCC 7644 and were confirmed as safe (γ-hemolytic, not presenting antibiotic resistance, no mucus degradation properties, and no proteolytic or gelatinase enzyme activity). Additionally, cell growth, acidification and bacteriocins production kinetics, bacteriocin stability in relation to different temperatures, pH, and chemicals were evaluated. According to performed PCR analysis all studied strains generated positive evidence for the presence of entA and entP genes (for production of enterocins A and enterocins P, respectively). However, pediocin PA-1 associated gene was recorded only in DNA obtained from E. faecium ST02JL and Lc. garvieae ST04JL. CONCLUSIONS It is worth considering the application of these safe LAB or their bacteriocins in situ as an alternative means of controlling L. monocytogenes in cheese production environments, either alone or in combination with other antimicrobials.
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Affiliation(s)
- João Marcos Scafuro Lima
- ProBacLab, Laboratory of Food Microbiology, Department of Food and Experimental Nutrition, Food Research Center, Faculty of Pharmaceutical Sciences, University of São Paulo, Sao Paulo, 05508-000, SP, Brazil
- Laboratory of Food Microbiology, Department of Food and Experimental Nutrition, Food Research Center, Faculty of Pharmaceutical Sciences, University of São Paulo, Sao Paulo, 05508-000, SP, Brazil
| | - Kayque Ordonho Carneiro
- ProBacLab, Laboratory of Food Microbiology, Department of Food and Experimental Nutrition, Food Research Center, Faculty of Pharmaceutical Sciences, University of São Paulo, Sao Paulo, 05508-000, SP, Brazil
- Laboratory of Food Microbiology, Department of Food and Experimental Nutrition, Food Research Center, Faculty of Pharmaceutical Sciences, University of São Paulo, Sao Paulo, 05508-000, SP, Brazil
| | - Uelinton Manoel Pinto
- Laboratory of Food Microbiology, Department of Food and Experimental Nutrition, Food Research Center, Faculty of Pharmaceutical Sciences, University of São Paulo, Sao Paulo, 05508-000, SP, Brazil
| | - Svetoslav Dimitrov Todorov
- ProBacLab, Laboratory of Food Microbiology, Department of Food and Experimental Nutrition, Food Research Center, Faculty of Pharmaceutical Sciences, University of São Paulo, Sao Paulo, 05508-000, SP, Brazil
- Laboratory of Food Microbiology, Department of Food and Experimental Nutrition, Food Research Center, Faculty of Pharmaceutical Sciences, University of São Paulo, Sao Paulo, 05508-000, SP, Brazil
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Smaoui S, Echegaray N, Kumar M, Chaari M, D'Amore T, Shariati MA, Rebezov M, Lorenzo JM. Beyond Conventional Meat Preservation: Saddling the Control of Bacteriocin and Lactic Acid Bacteria for Clean Label and Functional Meat Products. Appl Biochem Biotechnol 2024; 196:3604-3635. [PMID: 37615854 DOI: 10.1007/s12010-023-04680-x] [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] [Accepted: 08/16/2023] [Indexed: 08/25/2023]
Abstract
Advancements in food science and technology have paved the way for the development of natural antimicrobial compounds to ensure the safety and quality of meat and meat products. Among these compounds, bacteriocin produced by lactic acid bacteria has gained considerable scientific attention for its ability to preserve the healthy properties of meat while preventing spoilage. This natural preservative is seen as a pioneering tool and a potent alternative to chemical preservatives and heat treatment, which can have harmful effects on the nutritional and sensory qualities of meat. Bacteriocin produced by lactic acid bacteria can be used in various forms, including as starter/protective cultures for fermented meats, purified or partially purified forms, loaded in active films/coatings, or established in encapsulate systems. This review delves into the downstream purification schemes of LAB bacteriocin, the elucidation of their characteristics, and their modes of action. Additionally, the application of LAB bacteriocins in meat and meat products is examined in detail. Overall, the use of LAB bacteriocins holds immense potential to inspire innovation in the meat industry, reducing the dependence on harmful chemical additives and minimizing the adverse effects of heat treatment on nutritional and sensory qualities. This review provides a comprehensive understanding of the potential of bacteriocin produced by lactic acid bacteria as a natural and effective meat preservative.
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Affiliation(s)
- Slim Smaoui
- Laboratory of Microbial, Enzymatic Biotechnology and Biomolecules (LBMEB), Center of Biotechnology of Sfax, University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, Sfax, 3018, Tunisia.
| | - Noemí Echegaray
- Centro Tecnológico de la Carne de Galicia, Avd. Galicia nº 4, Parque Tecnológico de Galicia, Ourense, San Cibrao das Viñas, 32900, Spain
| | - Manoj Kumar
- Chemical and Biochemical Processing Division, Central Institute for Research on Cotton Technology, Mumbai, 400019, India
| | - Moufida Chaari
- Laboratory of Microbial, Enzymatic Biotechnology and Biomolecules (LBMEB), Center of Biotechnology of Sfax, University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, Sfax, 3018, Tunisia
| | - Teresa D'Amore
- Deparment of Chemistry, Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Via Manfredonia, 20, 71121, Foggia, Italy
| | - Mohammad Ali Shariati
- Semey Branch of the Institute, Kazakh Research Institute of Processing and Food Industry, 238«G» Gagarin Ave, Almaty, 050060, Republic of Kazakhstan.
| | - Maksim Rebezov
- Department of Scientific Research, V. M. Gorbatov Federal Research Center for Food Systems of Russian Academy of Sciences, Moscow, 109316, Russian Federation
| | - Jose Manuel Lorenzo
- Centro Tecnológico de la Carne de Galicia, Avd. Galicia nº 4, Parque Tecnológico de Galicia, Ourense, San Cibrao das Viñas, 32900, Spain
- Área de Tecnología de los Alimentos, Facultad de Ciencias de Ourense, Universidade de Vigo, Ourense, 32004, Spain
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de Albuquerque TMNC, Campos GZ, d’Ovidio L, Pinto UM, Sobral PJDA, Galvão JA. Unveiling Safety Concerns in Brazilian Artisanal Cheeses: A Call for Enhanced Ripening Protocols and Microbiological Assessments. Foods 2024; 13:1644. [PMID: 38890872 PMCID: PMC11172062 DOI: 10.3390/foods13111644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/16/2024] [Accepted: 05/22/2024] [Indexed: 06/20/2024] Open
Abstract
Brazilian artisanal cheeses have recently gained significant commercial prominence and consumer favor, primarily due to their distinctive sensory attributes and cultural and historical appeal. Many of these cheeses are made with raw milk and undergo a relatively short ripening period, sometimes ranging from 4 to 8 days, though it is usually shorter than the period stated by law. Moreover, there is insufficient evidence regarding the efficacy of a short ripening period in reducing certain zoonotic foodborne pathogens, such as Brucella spp., Coxiella burnetiid, and Mycobacterium bovis (as part of the Mycobacterium tuberculosis complex). Additionally, a literature analysis revealed that the usual ripening conditions of Brazilian artisanal cheeses made with raw milk may be inefficient in reducing the levels of some hazardous bacterial, including Brucella spp., Listeria monocytogenes, coagulase-positive Staphylococcus, Salmonella, and Coxiella burnetti, to the acceptable limits established by law, thus failing to ensure product safety for all cheese types. Moreover, the assessment of the microbiological safety for this type of cheese should be broader and should also consider zoonotic pathogens commonly found in bovine herds. Finally, a standardized protocol for evaluating the effectiveness of cheese ripening must be established by considering its peculiarities.
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Affiliation(s)
| | - Gabriela Zampieri Campos
- Department of Food Sciences and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508-220, Brazil; (G.Z.C.); (L.d.); (U.M.P.)
| | - Loredana d’Ovidio
- Department of Food Sciences and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508-220, Brazil; (G.Z.C.); (L.d.); (U.M.P.)
| | - Uelinton Manoel Pinto
- Department of Food Sciences and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508-220, Brazil; (G.Z.C.); (L.d.); (U.M.P.)
- Food Research Center (FoRC), University of São Paulo, São Paulo 05508-220, Brazil;
| | - Paulo José do Amaral Sobral
- Food Research Center (FoRC), University of São Paulo, São Paulo 05508-220, Brazil;
- Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga 13635-900, Brazil
| | - Julia Arantes Galvão
- Department of Veterinary Medicine, Federal University of Paraná, Curitiba 80060-000, Brazil;
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Lu K, Wang X, Zhou Y, Zhu Q. Genomic characterization and probiotic potential assessment of an exopolysaccharide-producing strain Pediococcus pentosaceus LL-07 isolated from fermented meat. BMC Microbiol 2024; 24:142. [PMID: 38664612 PMCID: PMC11044368 DOI: 10.1186/s12866-024-03304-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 04/12/2024] [Indexed: 04/29/2024] Open
Abstract
BACKGROUND The genomic information available for Pediococcus pentosaceus is primarily derived from fermented fruits and vegetables, with less information available from fermented meat. P. pentosaceus LL-07, a strain isolated from fermented meat, has the capability of producing exopolysaccharides (EPS). To assess the probiotic attributes of P. pentosaceus LL-07, we conducted whole-genome sequencing (WGS) using the PacBio SequelIIe and Illumina MiSeq platforms, followed by in vitro experiments to explore its probiotic potential. RESULTS The genome size of P. pentosaceus LL-07 is 1,782,685 bp, comprising a circular chromosome and a circular plasmid. Our investigation revealed the absence of a CRISPR/Cas system. Sugar fermentation experiments demonstrated the characteristics of carbohydrate metabolism. P. pentosaceus LL-07 contains an EPS synthesis gene cluster consisting of 13 genes, which is different from the currently known gene cluster structure. NO genes associated with hemolysis or toxin synthesis were detected. Additionally, eighty-six genes related to antibiotic resistance were identified but not present in the prophage, transposon or plasmid. In vitro experiments demonstrated that P. pentosaceus LL-07 was comparable to the reference strain P. pentosaceus ATCC25745 in terms of tolerance to artificial digestive juice and bile, autoaggregation and antioxidation, and provided corresponding genomic evidence. CONCLUSION This study confirmed the safety and probiotic properties of P. pentosaceus LL-07 via complete genome and phenotype analysis, supporting its characterization as a potential probiotic candidate.
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Affiliation(s)
- Kuan Lu
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), College of Life Sciences/Institute of Agro-Bioengineering, Guizhou University, Guizhou Province, Guiyang, 550025, China
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, School of Liquor and Food Engineering, Guizhou University, Guizhou, Guiyang, 550025, China
| | - Xueya Wang
- Chili Pepper Research Institute, Guizhou Provincial Academy of Agricultural Sciences, Guizhou, Guiyang, 550006, China
| | - Ying Zhou
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, School of Liquor and Food Engineering, Guizhou University, Guizhou, Guiyang, 550025, China
| | - Qiujin Zhu
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), College of Life Sciences/Institute of Agro-Bioengineering, Guizhou University, Guizhou Province, Guiyang, 550025, China.
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, School of Liquor and Food Engineering, Guizhou University, Guizhou, Guiyang, 550025, China.
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Li W, Lim CH, Zhao Z, Wang Y, Conway PL, Loo SCJ. In Vitro Profiling of Potential Fish Probiotics, Enterococcus hirae Strains, Isolated from Jade Perch, and Safety Properties Assessed Using Whole Genome Sequencing. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10244-0. [PMID: 38498111 DOI: 10.1007/s12602-024-10244-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/03/2024] [Indexed: 03/20/2024]
Abstract
The demands of intensified aquaculture production and escalating disease prevalence underscore the need for efficacious probiotic strategies to enhance fish health. This study focused on isolating and characterising potential probiotics from the gut microbiota of the emerging aquaculture species jade perch (Scortum barcoo). Eighty-seven lactic acid bacteria and 149 other bacteria were isolated from the digestive tract of five adult jade perch. The screening revealed that 24 Enterococcus hirae isolates inhibited the freshwater pathogens Aeromonas sobria and Streptococcus iniae. Co-incubating E. hirae with the host gut suspensions demonstrated a two- to five-fold increase in the size of growth inhibition zones compared to the results when using gut suspensions from tilapia (a non-host), indicating host-specificity. Genome analysis of the lead isolate, E. hirae R44, predicted the presence of antimicrobial compounds like enterolysin A, class II lanthipeptide, and terpenes, which underlay its antibacterial attributes. Isolate R44 exhibited desirable probiotic characteristics, including survival at pH values within the range of 3 to 12, bile tolerance, antioxidant activity, ampicillin sensitivity, and absence of transferable antimicrobial resistance genes and virulence factors commonly associated with hospital Enterococcus strains (IS16, hylEfm, and esp). This study offers a foundation for sourcing host-adapted probiotics from underexplored aquaculture species. Characterisation of novel probiotics like E. hirae R44 can expedite the development of disease mitigation strategies to support aquaculture intensification.
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Affiliation(s)
- Wenrui Li
- NTU Institute for Health Technologies, Interdisciplinary Graduate Programme, Nanyang Technological University, 61 Nanyang Drive, Singapore, 637335, Singapore
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Chiun Hao Lim
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Zhongtian Zhao
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Yulan Wang
- Singapore Phenome Centre, Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore, 636921, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore, 636921, Singapore
| | - Patricia Lynne Conway
- Singapore Centre for Environmental Life Sciences Engineering, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Singapore
- Centre for Marine Science Innovation, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Say Chye Joachim Loo
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore, 636921, Singapore.
- Singapore Centre for Environmental Life Sciences Engineering, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Singapore.
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Landete JM, Montiel R, Rodríguez-Mínguez E, Arqués JL. Enterocins Produced by Enterococci Isolated from Breast-Fed Infants: Antilisterial Potential. CHILDREN (BASEL, SWITZERLAND) 2024; 11:261. [PMID: 38397373 PMCID: PMC10887673 DOI: 10.3390/children11020261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/20/2024] [Accepted: 01/30/2024] [Indexed: 02/25/2024]
Abstract
Enterocins are bacteriocins synthesized by Enterococcus strains that show an interesting antimicrobial effectiveness against foodborne pathogens such as Listeria monocytogenes. The objectives of this study were to identify and analyze the expression of enterocin genes of Enterococcus isolated from breast-fed infants and evaluate their ability to inhibit three human isolates of virulent L. monocytogenes, as well as some probiotic bacteria. The susceptibility of the strains of L. monocytogenes to fifteen antibiotics was tested, detecting their resistance to cefoxitin (constitutively resistant), oxacillin, and clindamycin. The production of enterocins A, B, and P was observed in Enterococcus faecium isolates, while enterocin AS-48 was detected in an Enterococcus faecalis isolate. AS-48 showed antilisterial activity by itself, while the joint action of enterocins A and B or B and P was necessary for inhibiting L. monocytogenes, demonstrating the synergistic effect of those combinations. The presence of multiple enterocin genes does not assure the inhibition of L. monocytogenes strains. However, the expression of multiple enterocin genes showed a good correlation with the inhibition capacity of these strains. Furthermore, the potential beneficial strains of lactobacilli and bifidobacteria examined were not inhibited by any of the enterocins produced individually or in combination, with the exception of Bifidobacterium longum BB536, which was inhibited by enterocin AS-48 and the joint production of enterocins A and B or B and P. The enterocins studied here could be candidates for developing alternative treatments against antibiotic-resistant bacterial infections. Moreover, these selected enterocin-producing E. faecium strains isolated from breast-fed infants could be used as probiotic strains due to their antilisterial effect, as well as the absence of virulence factors.
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Affiliation(s)
| | | | | | - Juan L. Arqués
- Department of Food Technology, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, INIA-CSIC, Carretera de La Coruña Km 7, 28040 Madrid, Spain; (J.M.L.); (R.M.); (E.R.-M.)
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Toquet M, Bataller E, Toledo-Perona R, Gomis J, Contreras A, Sánchez A, Jiménez-Trigos E, Gómez-Martín Á. In Vitro Interaction between Mycoplasma agalactiae and Small Ruminants' Endogenous Bacterial Strains of Enterococcus spp. and Coagulase-Negative Staphylococcus. Microorganisms 2024; 12:406. [PMID: 38399811 PMCID: PMC10891560 DOI: 10.3390/microorganisms12020406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/12/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024] Open
Abstract
Recently, an antimicrobial effect on Mycoplasma agalactiae (Ma), the main etiological agent of contagious agalactia (CA), was reported in vitro with strains of Enterococcus spp. from ovine and caprine milk. The aim of this work was to evaluate the interaction of Ma with the same Enterococcus spp. isolated from other anatomical locations (vagina) and other bacterial populations present in milk, such as coagulase-negative staphylococci (CNS). The vaginal Enterococcus strains and the raw milk CNS were isolated from sheep and goats. Experimental in vitro conditions were prepared to assess the growth of Ma with and without the presence of these strains. The selected vaginal strains were identified as Enterococcus (E.) hirae and E. mundtii, and the strains of CNS were identified as Staphylococcus petrasii. Different interactions of Ma with ovine and caprine wild vaginal strains of Enterococcus and dairy strains of CNS are described for the first time: Ma can grow exponentially during 15 h with the selected strains, although with certain strains, its optimal growth can be negatively affected (p < 0.05). The colonization and/or excretion of Ma could, therefore, be influenced by certain endogenous bacterial strains. Our results increase the knowledge about possible bacterial ecology dynamics surrounding CA.
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Affiliation(s)
- Marion Toquet
- Microbiological Agents Associated with Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Carrer Tirant lo Blanc, 7, 46115 Valencia, Spain
| | - Esther Bataller
- Microbiological Agents Associated with Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Carrer Tirant lo Blanc, 7, 46115 Valencia, Spain
| | - Raquel Toledo-Perona
- Microbiological Agents Associated with Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Carrer Tirant lo Blanc, 7, 46115 Valencia, Spain
| | - Jesús Gomis
- Microbiological Agents Associated with Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Carrer Tirant lo Blanc, 7, 46115 Valencia, Spain
| | - Antonio Contreras
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain
| | - Antonio Sánchez
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain
| | - Estrella Jiménez-Trigos
- Microbiological Agents Associated with Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Carrer Tirant lo Blanc, 7, 46115 Valencia, Spain
| | - Ángel Gómez-Martín
- Microbiological Agents Associated with Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Carrer Tirant lo Blanc, 7, 46115 Valencia, Spain
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10
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Choi GH, Holzapfel WH, Todorov SD. Diversity of the bacteriocins, their classification and potential applications in combat of antibiotic resistant and clinically relevant pathogens. Crit Rev Microbiol 2023; 49:578-597. [PMID: 35731254 DOI: 10.1080/1040841x.2022.2090227] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 04/18/2022] [Accepted: 06/13/2022] [Indexed: 12/19/2022]
Abstract
There is almost a century since discovery of penicillin by Alexander Fleming, a century of enthusiasm, abuse, facing development of antibiotic-resistance and clear conclusion that the modern medicine needs a new type of antimicrobials. Bacteriocins produced by Gram-positive and Gram-negative bacteria, Archaea and Eukaryotes were widely explored as potential antimicrobials with several applications in food industry. In last two decades bacteriocins showed their potential as promising alternative therapeutic for the treatment of antibiotic-resistant pathogens. Bacteriocins can be characterised as highly selective antimicrobials and therapeutics with low cytotoxicity. Most probably in order to solve the problems associated with the increasing number of antibiotic-resistant bacteria, the application of natural or bioengineered bacteriocins in addition to synergistically acting preparations of bacteriocins and conventional antibiotics, can be the next step in combat versus drug-resistant pathogens. In this overview we focussed on diversity of specific lactic acid bacteria and their bacteriocins. Moreover, some additional examples of bacteriocins from non-lactic acid, Gram-positive and Gram-negative bacteria, Archaea and eukaryotic organisms are presented and discussed. Therapeutic properties of bacteriocins, their bioengineering and combined applications, together with conventional antibiotics, were evaluated with the scope of application in human and veterinary medicine for combating (multi-)drug-resistant pathogens.
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Affiliation(s)
- Gee-Hyeun Choi
- ProBacLab, Department of Advanced Convergence, Handong Global University, Pohang, Republic of Korea
| | - Wilhelm Heinrich Holzapfel
- Human Effective Microbes, Department of Advanced Convergence, Handong Global University, Pohang, Republic of Korea
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11
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Miri S, Hassan H, Esmail GA, Njoku EN, Chiba M, Yousuf B, Ahmed TAE, Hincke M, Mottawea W, Hammami R. A Two Bacteriocinogenic Ligilactobacillus Strain Association Inhibits Growth, Adhesion, and Invasion of Salmonella in a Simulated Chicken Gut Environment. Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10148-5. [PMID: 37646968 DOI: 10.1007/s12602-023-10148-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2023] [Indexed: 09/01/2023]
Abstract
In this study, we aimed to develop a protective probiotic coculture to inhibit the growth of Salmonella enterica serovar Typhimurium in the simulated chicken gut environment. Bacterial strains were isolated from the digestive mucosa of broilers and screened in vitro against Salmonella Typhimurium ATCC 14028. A biocompatibility coculture test was performed, which identified two biocompatible strains, Ligilactobacillus salivarius UO.C109 and Ligilactobacillus saerimneri UO.C121 with high inhibitory activity against Salmonella. The cell-free supernatant (CFS) of the selected isolates exhibited dose-dependent effects, and the inhibitory agents were confirmed to be proteinaceous by enzymatic and thermal treatments. Proteome and genome analyses revealed the presence of known bacteriocins in the CFS of L. salivarius UO.C109, but unknown for L. saerimneri UO.C121. The addition of these selected probiotic candidates altered the bacterial community structure, increased the diversity of the chicken gut microbiota challenged with Salmonella, and significantly reduced the abundances of Enterobacteriaceae, Parasutterlla, Phascolarctobacterium, Enterococcus, and Megamonas. It also modulated microbiome production of short-chain fatty acids (SCFAs) with increased levels of acetic and propionic acids after 12 and 24 h of incubation compared to the microbiome challenged with S. Typhimurium. Furthermore, the selected probiotic candidates reduced the adhesion and invasion of Salmonella to Caco-2 cells by 37-39% and 51%, respectively, after 3 h of incubation, compared to the control. These results suggest that the developed coculture probiotic strains has protective activity and could be an effective strategy to control Salmonella infections in poultry.
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Affiliation(s)
- Saba Miri
- NuGut Research Platform, School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, K1N 6N5, Ottawa, ON, Canada
| | - Hebatoallah Hassan
- NuGut Research Platform, School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, K1N 6N5, Ottawa, ON, Canada
| | - Galal Ali Esmail
- NuGut Research Platform, School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, K1N 6N5, Ottawa, ON, Canada
| | - Emmanuel N Njoku
- NuGut Research Platform, School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, K1N 6N5, Ottawa, ON, Canada
| | - Mariem Chiba
- NuGut Research Platform, School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, K1N 6N5, Ottawa, ON, Canada
| | - Basit Yousuf
- NuGut Research Platform, School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, K1N 6N5, Ottawa, ON, Canada
| | - Tamer A E Ahmed
- NuGut Research Platform, School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, K1N 6N5, Ottawa, ON, Canada
| | - Maxwell Hincke
- Department of Innovation in Medical Education, Faculty of Medicine, University of Ottawa, K1H8M5, Ottawa, ON, Canada
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, K1H8M5, Ottawa, ON, Canada
| | - Walid Mottawea
- NuGut Research Platform, School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, K1N 6N5, Ottawa, ON, Canada
- Department of Microbiology and Immunology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Riadh Hammami
- NuGut Research Platform, School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, K1N 6N5, Ottawa, ON, Canada.
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada.
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Toquet M, Bataller E, Gomis J, Sánchez A, Toledo-Perona R, De la Fe C, Corrales JC, Gómez-Martín Á. Antibacterial potential of commercial and wild lactic acid bacteria strains isolated from ovine and caprine raw milk against Mycoplasma agalactiae. Front Vet Sci 2023; 10:1197701. [PMID: 37426075 PMCID: PMC10324661 DOI: 10.3389/fvets.2023.1197701] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 06/06/2023] [Indexed: 07/11/2023] Open
Abstract
Introduction The complexity of fighting contagious agalactia (CA) has raised the necessity of alternative antimicrobial therapies, such as probiotics. Lactic acid bacteria (LAB) are present in the mammary gland of small ruminants and their antimicrobial effect have been previously described against species like Mycoplasma bovis but never against Mycoplasma agalactiae (Ma). This in vitro study aims to evaluate the antimicrobial activity against Ma of ovine and caprine LAB strains and a human commercial probiotic (L2) of Lactobacillus spp. Methods A total of 63 possible LAB strains were isolated from nine ovine and caprine farms in Spain, three isolates (33B, 248D, and 120B) from the 63 strains were selected, based on their capacity to grow in a specific medium in vitro, for an in vitro experiment to assess their antimicrobial activity against Ma in Ultra High Temperature (UHT) processed goat milk (GM). A women commercial vaginal probiotic was also included in the study. The inoculum of L2 was prepared at a concentration of 3.24 × 108 CFU/mL and the average concentration of the inoculum of the wild LAB varied from 7.9 × 107 to 8.4 × 108 CFU/mL. Results The commercial probiotic L2 significantly reduced the concentration of Ma to 0.000 log CFU/mL (p < 0.001), strain 33B reduced it from 7.185 to 1.279 log CFU/mL (p < 0.001), and 120B from 6.825 to 6.466 log CFU/mL (p < 0.05). Strain 248D presented a bacteriostatic effect in GM. Moreover, the three wild strains and the commercial probiotic produced a significative reduction of the pH (p < 0.001). Discussion This is the first in vivo report of the antimicrobial potential of LAB strains against Ma and its interaction. Our results support possible future alternative strategies to antibiotic therapy, previously not contemplated, to fight CA in small ruminants. Further studies are necessary to elucidate the action mechanisms through which these LAB are able to inhibit Ma and to assess the safety of using these strains in possible in vivo studies.
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Affiliation(s)
- Marion Toquet
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | - Esther Bataller
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | - Jesús Gomis
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | - Antonio Sánchez
- Ruminant Health Research Group, Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Murcia, Spain
| | - Raquel Toledo-Perona
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | - Christian De la Fe
- Ruminant Health Research Group, Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Murcia, Spain
| | - Juan Carlos Corrales
- Ruminant Health Research Group, Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Murcia, Spain
| | - Ángel Gómez-Martín
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
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13
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Castellano P, Melian C, Burgos C, Vignolo G. Bioprotective cultures and bacteriocins as food preservatives. ADVANCES IN FOOD AND NUTRITION RESEARCH 2023; 106:275-315. [PMID: 37722775 DOI: 10.1016/bs.afnr.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
Food preservation technologies face the challenge of extending product shelf life applying different factors to prevent the microbiological spoilage of food and inhibit/inactivate food borne pathogens maintaining or even enhancing its quality. One such preservation strategy is the application of bacteriocins or bacteriocin-producer cultures as a kind of food biopreservation. Bacteriocins are ribosomally synthesized small polypeptide molecules that exert antagonistic activity against closely related and unrelated bacteria without harming the producing strain by specific immunity proteins. This chapter aims to contribute to current knowledge about innovative natural preservative agents and their application in the food industry. Specifically, its purpose is to analyze the classification of bacteriocins from lactic acid bacteria (LAB), desirable characteristics of bacteriocins that position them in a privileged place in food biopreservation technology, their success story as well as the bacteriocinogenic LAB in various food systems. Finally, challenges and barrier strategies used to enhance the efficiency of the bacteriocins antimicrobial effect are presented in this chapter.
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Affiliation(s)
- Patricia Castellano
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina.
| | - Constanza Melian
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina
| | - Carla Burgos
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina
| | - Graciela Vignolo
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina
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Identification, Purification, Characterization and Biopreservation Potential of Antimicrobial Peptide of Pediococcus acidilactici NCDC 252. Int J Pept Res Ther 2023. [DOI: 10.1007/s10989-022-10485-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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15
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Abouloifa H, Rokni Y, Hasnaoui I, Bellaouchi R, Gaamouche S, Ghabbour N, Karboune S, Ben Salah R, Brasca M, D'hallewin G, Saalaoui E, Asehraou A. Characterization of antimicrobial compounds obtained from the potential probiotic Lactiplantibacillus plantarum S61 and their application as a biopreservative agent. Braz J Microbiol 2022; 53:1501-1513. [PMID: 35804284 PMCID: PMC9433471 DOI: 10.1007/s42770-022-00791-5] [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: 03/09/2022] [Accepted: 06/30/2022] [Indexed: 11/02/2022] Open
Abstract
This work aimed to characterize the antimicrobial compounds obtained from the potential probiotic Lactiplantibacillus plantarum S61, isolated from traditional fermented green olive, involved in their activity against fungi and bacteria responsible for food spoilage and poisonings. Their application as a biopreservative agent was also investigated. The culture of L. plantarum S61 showed substantial antifungal and antibacterial activity against yeasts (Rhodotorula glutinis and Candida pelliculosa), molds (Penicillium digitatum, Aspergillus niger, Fusarium oxysporum, and Rhizopus oryzae), and pathogenic bacteria (Listeria monocytogenes ATCC 19,117, Salmonella enterica subsp. enterica ATCC 14,028, Staphylococcus aureus subsp. aureus ATCC 6538, Pseudomonas aeruginosa ATCC 49,189), with inhibition zones > 10 mm. Likewise, the cell-free supernatant (CFS) of L. plantarum S61 showed an essential inhibitory effect against fungi and bacteria, with inhibition diameters of 12.25-22.05 mm and 16.95-17.25 mm, respectively. The CFS inhibited molds' biomass and mycelium growth, with inhibition ranges of 63.18-83.64% and 22.57-38.93%, respectively. The antifungal activity of the CFS was stable during 4 weeks of storage at 25 °C, while it gradually decreased during storage at 4 °C. Several antimicrobial compounds were evidenced in the CFS of L. plantarum S61, including organic acids, ethanol, hydrogen peroxide, diacetyl, proteins, and fatty acids. The protein fraction, purified by reversed-phase high-performance liquid chromatography (RP-HPLC), demonstrated important antifungal activity, in relation to the fraction with molecular weight between 2 and 6 kDa. L. plantarum S61 and its CFS, tested in apple and orange fruit biopreservation, demonstrated their protective effect against P. digitatum spoilage. The CFS exhibited effectiveness in reducing Salmonella enterica subsp. enterica ATCC 14,028 in apple juice. L. plantarum S61 and/or its bioactive compounds CFS represent a promising strategy for biocontrol against pathogens and spoilage microorganisms in the agro-industry.
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Affiliation(s)
- Houssam Abouloifa
- Research Unit of Microbiology, Biomolecules and Biotechnology, Laboratory of Chemistry-Physics and Biotechnology of Molecules and Materials, Faculty of Sciences and Techniques - Mohammedia, Hassan II University of Casablanca, Casablanca, Morocco. .,Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, Mohammed Premier University, 60 000, Oujda, Morocco.
| | - Yahya Rokni
- Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, Mohammed Premier University, 60 000, Oujda, Morocco.,Research Unit Bioprocess and Biointerfaces, Laboratory of Industrial Engineering and Surface Engineering, National School of Applied Sciences, Sultan Moulay Slimane University, Mghila, 23000, Beni Mellal, Morocco
| | - Ismail Hasnaoui
- Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, Mohammed Premier University, 60 000, Oujda, Morocco
| | - Reda Bellaouchi
- Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, Mohammed Premier University, 60 000, Oujda, Morocco
| | - Sara Gaamouche
- Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, Mohammed Premier University, 60 000, Oujda, Morocco
| | - Nabil Ghabbour
- Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, Mohammed Premier University, 60 000, Oujda, Morocco.,Laboratory of Natural Resources and Environment, Polydisciplinary Faculty of Taza, Sidi Mohamed Ben Abdellah University, B. P 1223, Taza, Morocco
| | - Salwa Karboune
- Department of Food Science and Agricultural Chemistry, Macdonald Campus, McGill University, 21,111 Lakeshore, Ste Anne de Bellevue, Quebec, H9X 3V9, Canada
| | - Riadh Ben Salah
- Laboratory of Microorganisms and Biomolecules, Centre of Biotechnology of Sfax, BP: 1177, 3018, Sfax, Tunisia
| | - Milena Brasca
- Institute of Sciences of Food Production, National Research Council of Italy, Via Celoria 2, 20133, Milan, Italy
| | - Guy D'hallewin
- Institute of Sciences of Food Production, National Research Council of Italy, UOS Sassari, Traversa La Crucca, 3 Loc. Baldinca, 07040, Sassari, Italy
| | - Ennouamane Saalaoui
- Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, Mohammed Premier University, 60 000, Oujda, Morocco
| | - Abdeslam Asehraou
- Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, Mohammed Premier University, 60 000, Oujda, Morocco
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De Marco I, Fusieger A, Nero LA, Kempka AP, Moroni LS. Bacteriocin-like inhibitory substances (BLIS) synthesized by Lactococcus lactis LLH20: Antilisterial activity and application for biopreservation of minimally processed lettuce (Lactuca sativa L.). BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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de Andrade BM, Margalho LP, Batista DB, Lucena IO, Kamimura BA, Balthazar CF, Brexó RP, Pia AK, Costa RA, Cruz AG, Granato D, Sant’Ana AS, Luna AS, de Gois JS. Chemometric classification of Brazilian artisanal cheeses from different regions according to major and trace elements by ICP-OES. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104519] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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18
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Wei Y, Wang J, Liu Z, Pei J, Brennan C, Abd El-Aty A. Isolation and Characterization of Bacteriocin-Producing Lacticaseibacillus rhamnosus XN2 from Yak Yoghurt and Its Bacteriocin. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27072066. [PMID: 35408465 PMCID: PMC9000875 DOI: 10.3390/molecules27072066] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 03/14/2022] [Accepted: 03/18/2022] [Indexed: 11/29/2022]
Abstract
Lactic acid bacteria (LAB) produce antimicrobial substances that could potentially inhibit the growth of pathogenic and food spoilage microorganisms. Lacticaseibacillus rhamnosus XN2, isolated from yak yoghurt, demonstrated antibacterial activity against Bacillus subtilis, B. cereus, Micrococcus luteus, Brochothrix thermosphacta, Clostridium butyricum, S. aureus, Listeria innocua CICC 10416, L. monocytogenes, and Escherichia coli. The antibacterial activity was estimated to be 3200 AU/mL after 30 h cultivation. Time-kill kinetics curve showed that the semi-purified cell-free supernatants (CFS) of strain XN2 possessed bactericidal activity. Flow cytometry analysis indicated disruption of the sensitive bacteria membrane by semi-purified CFS, which ultimately caused cell death. Interestingly, sub-lethal concentrations of semi-purified CFS were observed to reduce the production of α-haemolysin and biofilm formation. We further investigated the changes in the transcriptional level of luxS gene, which encodes signal molecule synthase (Al-2) induced by semi-purified CFS from strain XN2. In conclusion, L. rhamnosus XN2 and its bacteriocin showed antagonistic activity at both cellular and quorum sensing (QS) levels. Finally, bacteriocin was further purified by reversed-phase high-performance liquid chromatography (RP-HPLC), named bacteriocin XN2. The amino acid sequence was Met-Lue-Lys-Lys-Phe-Ser-Thr-Ala-Tyr-Val.
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Affiliation(s)
- Yonghua Wei
- College of Food Science, Shanxi Normal University, Taiyuan 030031, China;
| | - Jinze Wang
- Qinba State Key Laboratory of Biological Resources and Ecological Environment, Qinling-Bashan Mountains Bioresources Comprehensive Development C.I.C., Shaanxi Province Key Laboratory of Bio-Resources, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong 723001, China; (J.W.); (Z.L.)
| | - Zhe Liu
- Qinba State Key Laboratory of Biological Resources and Ecological Environment, Qinling-Bashan Mountains Bioresources Comprehensive Development C.I.C., Shaanxi Province Key Laboratory of Bio-Resources, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong 723001, China; (J.W.); (Z.L.)
| | - Jinjin Pei
- Qinba State Key Laboratory of Biological Resources and Ecological Environment, Qinling-Bashan Mountains Bioresources Comprehensive Development C.I.C., Shaanxi Province Key Laboratory of Bio-Resources, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong 723001, China; (J.W.); (Z.L.)
- Correspondence:
| | - Charles Brennan
- College of Food Science and Engineering, Royal Melbourne Institute of Technology, Melbourne 3046, Australia;
| | - A.M. Abd El-Aty
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt;
- Department of Medical Pharmacology, Faculty of Medicine, Atatürk University, Erzurum 25240, Turkey
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Oliveira FS, da Silva Rodrigues R, de Carvalho AF, Nero LA. Genomic Analyses of Pediococcus pentosaceus ST65ACC, a Bacteriocinogenic Strain Isolated from Artisanal Raw-Milk Cheese. Probiotics Antimicrob Proteins 2022; 15:630-645. [PMID: 34984631 DOI: 10.1007/s12602-021-09894-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/16/2021] [Indexed: 12/12/2022]
Abstract
Pediococcus pentosaceus ST65ACC was obtained from a Brazilian artisanal cheese (BAC) and characterized as bacteriocinogenic. This strain presented beneficial properties in previous studies, indicating its potential as a probiotic candidate. In this study, we aimed to carry out a genetic characterization based on whole-genome sequencing (WGS), including taxonomy, biotechnological properties, bacteriocin clusters and safety-related genes. WGS was performed using the Illumina MiSeq platform and the genome was annotated with the Prokaryotic Genome Annotation (Prokka). P. pentosaceus ST65ACC taxonomy was investigated and bacteriocin genes clusters were identified by BAGEL4, metabolic pathways were analyzed by Kyoto Encyclopedia of Genes and Genomes (KEGG) and safety-related genes were checked. P. pentosaceus ST65ACC had a total draft genome size of 1,933,194 bp with a GC content of 37.00%, and encoded 1950 protein coding sequences (CDSs), 6 rRNA, 55 tRNA, 1 tmRNA and no plasmids were detected. The analysis revealed absence of a CRISPR/Cas system, bacteriocin gene clusters for pediocin PA-1/AcH and penocin-A were identified. Genes related to beneficial properties, such as stress adaptation genes and adhesion genes, were identified. Furthermore, genes related to biogenic amines and virulence-related genes were not detected. Genes related to antibiotic resistance were identified, but not in prophage regions. Based on the obtained results, the beneficial potential of P. pentosaceus ST65ACC was confirmed, allowing its characterization as a potential probiotic candidate.
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Affiliation(s)
- Francielly Soares Oliveira
- InsPOA - Laboratório de Inspeção de Produtos de Origem Animal, Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, MG, 36570 900, Brazil.,Inovaleite - Laboratório de Pesquisa Em Leite E Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, MG, 36570 900, Brazil
| | - Rafaela da Silva Rodrigues
- InsPOA - Laboratório de Inspeção de Produtos de Origem Animal, Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, MG, 36570 900, Brazil.,Inovaleite - Laboratório de Pesquisa Em Leite E Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, MG, 36570 900, Brazil
| | - Antônio Fernandes de Carvalho
- Inovaleite - Laboratório de Pesquisa Em Leite E Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, MG, 36570 900, Brazil
| | - Luís Augusto Nero
- InsPOA - Laboratório de Inspeção de Produtos de Origem Animal, Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, MG, 36570 900, Brazil.
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20
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Qi Y, Huang L, Zeng Y, Li W, Zhou D, Xie J, Xie J, Tu Q, Deng D, Yin J. Pediococcus pentosaceus: Screening and Application as Probiotics in Food Processing. Front Microbiol 2021; 12:762467. [PMID: 34975787 PMCID: PMC8716948 DOI: 10.3389/fmicb.2021.762467] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/17/2021] [Indexed: 11/13/2022] Open
Abstract
Lactic acid bacteria (LAB) are vital probiotics in the food processing industry, which are widely spread in food additives and products, such as meat, milk, and vegetables. Pediococcus pentosaceus (P. pentosaceus), as a kind of LAB, has numerous probiotic effects, mainly including antioxidant, cholesterol-lowering, and immune effects. Recently, the applications in the probiotic- fermentation products have attracted progressively more attentions. However, it is necessary to screen P. pentosaceus with abundant functions from diverse sources due to the limitation about the source and species of P. pentosaceus. This review summarized the screening methods of P. pentosaceus and the exploration methods of probiotic functions in combination with the case study. The screening methods included primary screening and rescreening including gastric acidity resistance, bile resistance, adhesion, antibacterial effects, etc. The application and development prospects of P. pentosaceus were described in detail, and the shortcomings in the practical application of P. pentosaceus were evaluated to make better application of P. pentosaceus in the future.
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Affiliation(s)
- Yining Qi
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Hunan Normal University, Changsha, China
| | - Le Huang
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Hunan Normal University, Changsha, China
| | - Yan Zeng
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Hunan Normal University, Changsha, China
| | - Wen Li
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Hunan Normal University, Changsha, China
| | - Diao Zhou
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Hunan Normal University, Changsha, China
| | | | - Junyan Xie
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Qiang Tu
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- *Correspondence: Qiang Tu,
| | - Dun Deng
- Tangrenshen Group Co., Ltd., Zhuzhou, China
- Dun Deng,
| | - Jia Yin
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Hunan Normal University, Changsha, China
- Jia Yin,
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21
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Darbandi A, Asadi A, Mahdizade Ari M, Ohadi E, Talebi M, Halaj Zadeh M, Darb Emamie A, Ghanavati R, Kakanj M. Bacteriocins: Properties and potential use as antimicrobials. J Clin Lab Anal 2021; 36:e24093. [PMID: 34851542 PMCID: PMC8761470 DOI: 10.1002/jcla.24093] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/03/2021] [Accepted: 10/24/2021] [Indexed: 12/12/2022] Open
Abstract
A variety of bacteriocins originate from lactic acid bacteria, which have recently been modified by scientists. Many strains of lactic acid bacteria related to food groups could produce bacteriocins or antibacterial proteins highly effective against foodborne pathogens such as Staphylococcus aureus, Pseudomonas fluorescens, P. aeruginosa, Salmonella typhi, Shigella flexneri, Listeria monocytogenes, Escherichia coli O157:H7, and Clostridium botulinum. A wide range of bacteria belonging primarily to the genera Bifidobacterium and Lactobacillus have been characterized with different health‐promoting attributes. Extensive studies and in‐depth understanding of these antimicrobials mechanisms of action could enable scientists to determine their production in specific probiotic lactic acid bacteria, as they are potentially crucial for the final preservation of functional foods or for medicinal applications. In this review study, the structure, classification, mode of operation, safety, and antibacterial properties of bacteriocins as well as their effect on foodborne pathogens and antibiotic‐resistant bacteria were extensively studied.
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Affiliation(s)
- Atieh Darbandi
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Arezoo Asadi
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Marzieh Mahdizade Ari
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Elnaz Ohadi
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Malihe Talebi
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Masoume Halaj Zadeh
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Microbial Biotechnology Research Centre, Iran University of Medical Sciences, Tehran, Iran
| | - Amir Darb Emamie
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Maryam Kakanj
- Food and Drug Laboratory Research Center, Food and Drug Administration, MOH&ME, Tehran, Iran
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22
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Vasudevan L, V J, M S, Ts C. Mucosa-adherent Pediococcus Pentosaceus I44 isolated from healthy human and effect of oleic acid on its probiotic properties. CURRENT RESEARCH IN MICROBIAL SCIENCES 2021; 2:100058. [PMID: 34841348 PMCID: PMC8610357 DOI: 10.1016/j.crmicr.2021.100058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/07/2021] [Accepted: 08/12/2021] [Indexed: 11/04/2022] Open
Abstract
A Gram-positive, catalase-negative cocci identified as Pediococcus pentosaceus I44 was isolated from the ileal tissue of a healthy Indian. This isolate exhibited good tolerance to gastrointestinal conditions and bile stress. Oleic acid and oleic acid containing compounds (tween-80, olive oil and sesame oil) were found to have a significant effect on the stress tolerance ability and surface properties of this isolate invitro. Pediococcus pentosaceus I44 represents the autochthonous gut bacterial community and understanding such isolates provide useful insights into their role in human metabolism and health.
With the aim of selectively isolating and understanding the cultivable lactic acid bacteria that are autochthonous to human gut, biopsy samples were collected from the terminal ileum and caecum of healthy volunteers who underwent routine colonoscopy procedure. The use of tissue samples (over stool samples) provides for a better expression of the autochthonous bacterial population of the human gut. The strains that were stable after many rounds of sub-culture were identified and studied further. One such ileal isolate, a Gram-positive, catalase-negative cocci was identified to be Pediococcus pentosaceus I44. It was studied for its gastric tolerance, bile tolerance and surface properties, and reported here. The effect of tween-80, oleic acid, extra virgin olive oil and sesame oil on the aforementioned properties of P. pentosaceus I44 was also analysed. The isolate was able to survive well in simulated gastric fluid of pH 3.0 followed by treatment in simulated intestinal fluid with a survival percentage of around 70%. It was, however, unable to withstand pH 2.0 even in the presence of supplements. It showed good tolerance to bile stress (1% w/v), and its cell surface was found to be hydrophilic. P. pentosaceus I44 showed good aggregation of 87% after 24 h, with oleic acid having a significant effect on the isolate's aggregation potential. P. pentosaceus I44 is one of the few mucosa-bound cultivable bacteria that are adapted for survival in human colon. Studying and analysing such isolates might provide useful insights into their role in metabolism and health.
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Affiliation(s)
- Lavanya Vasudevan
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Jayanthi V
- Gleneagles Global Health City, Cheran Nagar, Perumbakkam, Chennai, Tamil Nadu 600100, India
| | - Srinivas M
- Gleneagles Global Health City, Cheran Nagar, Perumbakkam, Chennai, Tamil Nadu 600100, India
| | - Chandra Ts
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
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23
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Valledor SJD, Dioso CM, Bucheli JEV, Park YJ, Suh DH, Jung ES, Kim B, Holzapfel WH, Todorov SD. Characterization and safety evaluation of two beneficial, enterocin-producing Enterococcus faecium strains isolated from kimchi, a Korean fermented cabbage. Food Microbiol 2021; 102:103886. [PMID: 34809929 DOI: 10.1016/j.fm.2021.103886] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/09/2021] [Accepted: 08/16/2021] [Indexed: 12/22/2022]
Abstract
Enterococcus faecium ST20Kc and ST41Kc were isolated from kimchi, a traditional Korean fermented cabbage. Bacteriocins produced by both strains exhibited strong activity against Listeria monocytogenes and various Enterococcus spp., including 30 vancomycin-resistant enterococcal strains, but not against other lactic acid bacteria (LAB) on the evaluated test panel. The antimicrobials produced by the strains were found to be proteinaceous and stable even after exposure to varying pH, temperature, and chemicals used in the industry and laboratory processes. Antimicrobial activity of both strains was evaluated as bactericidal against exponentially growing cultures of L. monocytogenes ATCC® 15313™ and Enterococcus faecalis 200A. Based on tricine-SDS-PAGE, the molecular weights of the bacteriocins produced by the strains were between 4 and 6 kDa. Additionally, both strains were susceptible to antibiotics, including vancomycin, kanamycin, gentamycin, ampicillin, streptomycin, tylosin, chloramphenicol, clindamycin, and tetracycline. Adhesion genes, map, mub, and EF-Tu, were also detected in the genomes of both strains. With gastrointestinal stress induction, both strains showed high individual survival rates, and capability to reduce viable counts of L. monocytogenes ATCC® 15313™ and Enterococcus faecalis 200A in mixed cultures. Based on the metabolomics analysis, both strains were found to produce additional antimicrobial compounds, particularly, lactic acid, phenyllactic acid, and phenethylamine, which can be potentially involved in the antimicrobial interaction with pathogenic microorganisms.
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Affiliation(s)
- Samantha Joy D Valledor
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea
| | | | | | - Yu Jin Park
- HEM Pharma Inc., Suwon, Gyeonggi, 16229, Republic of Korea
| | - Dong Ho Suh
- HEM Pharma Inc., Suwon, Gyeonggi, 16229, Republic of Korea
| | - Eun Sung Jung
- HEM Pharma Inc., Suwon, Gyeonggi, 16229, Republic of Korea
| | - Bobae Kim
- HEM Pharma Inc., Pohang, Gyeongbuk, 37554, Republic of Korea
| | - Wilhelm Heinrich Holzapfel
- Human Effective Microbes, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea.
| | - Svetoslav Dimitrov Todorov
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea.
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24
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Penna ALB, Gigante ML, Todorov SD. Artisanal Brazilian Cheeses-History, Marketing, Technological and Microbiological Aspects. Foods 2021; 10:foods10071562. [PMID: 34359432 PMCID: PMC8307891 DOI: 10.3390/foods10071562] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/01/2021] [Accepted: 07/02/2021] [Indexed: 01/27/2023] Open
Abstract
This review focused on the historical, marketing, technological, and microbiological characteristics of artisanal Brazilian cheese. Brazilian cheese production was introduced and developed from the influence of immigrants considering the combination of climate, races of the animals, quality and specificity of milk, technological cheese-making processes and environmental microbiology, among other factors. It resulted in cheese products with specific physicochemical, microbiological, and sensory quality, which represent the heritage and identities of the different Brazilian regions. The production of artisanal cheese increased in many Brazilian regions, mainly in the southeast, especially due to the traditional production and innovative development of new varieties of cheese. The microbiological quality and safety of raw-milk artisanal cheese continues to be a concern and many studies have been focusing on this matter. Special attention needs to be given to the cheeses produced by raw milk, since numerous reports raised concerns related to their microbiological safety. This fact requires attention and the implementation of strict hygiene practices on the production and commercialization, besides appropriate governmental regulations and control. However, more studies on the relationship between technological processes and microbiological properties, which results in a superior culinary quality and safety of artisanal Brazilian cheeses, are needed.
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Affiliation(s)
- Ana Lucia Barretto Penna
- Department of Food Engineering and Technology, São Paulo State University—UNESP, São José do Rio Preto 15054-000, Brazil;
| | - Mirna Lucia Gigante
- Department of Food Technology, State University of Campinas, UNICAMP, Campinas 13083-862, Brazil;
| | - Svetoslav Dimitrov Todorov
- Department of Food Science and Experimental Nutrition, São Paulo University—USP, São Paulo 05508-000, Brazil
- ProBacLab, Department of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk 37554, Korea
- Correspondence: ; Tel.: +82-10-3490-3152
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25
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Biodiversity and technological features of Weissella isolates obtained from Brazilian artisanal cheese-producing regions. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111474] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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26
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de Castro Santos Melo C, da Silva Freire A, Galdeano MA, da Costa CF, de Oliveira Gonçalves APD, Dias FS, Menezes DR. Probiotic potential of Enterococcus hirae in goat milk and its survival in canine gastrointestinal conditions simulated in vitro. Res Vet Sci 2021; 138:188-195. [PMID: 34171542 DOI: 10.1016/j.rvsc.2021.06.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/26/2021] [Accepted: 06/07/2021] [Indexed: 11/29/2022]
Abstract
In canine nutrition, the use of goat nutraceutical dairy products is an innovative proposal. Therefore, the objective of this study was to prepare fermented goat milk with probiotic potential in dogs in an in vitro model. A total of 40 lactic acid bacteria (LAB) species were grown, of which 30 were CAP isolates originally from goat milk and 10 were CAN isolates originally from fecal material of newborn dogs. The isolates were selected based on resistance to the simulated canine gastrointestinal condition and acidifying ability. After this preliminary screening, the analyses were performed regarding β-galactosidase and exopolysaccharide formation, diacetyl production, adhesion proteins Mub and mapa, hydrophobicity, DPPH assay, virulence and antibiotic resistance. With these evaluations, four LAB isolates were identified using sequencing of the 16S rRNA gene. These were identified as Enterococcus hirae and were used to produce fermented goat milk. For statistical analysis, the data were analyzed using the Scott-Knott test and also submitted to analysis of variance and the Tukey test (P < 0.05). In the evaluation of goat milk fermented with E. hirae and control, over the 36-day storage period there was a reduction in pH and an increase in acidity, and higher levels of LAB were observed in goat milk fermented with E. hirae. Therefore, both these E. hirae isolates and the fermented goat milk produced showed satisfactory results in vitro, demonstrating probiotic efficiency and food safety for dogs.
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Affiliation(s)
- Carina de Castro Santos Melo
- Department of Veterinary Sciences in Semiarid, Federal University of Vale do São Francisco (UNIVASF), CEP: 56.300-990 Petrolina, Pernambuco, Brazil
| | | | | | - Camila Fraga da Costa
- Department of Veterinary Sciences in Semiarid, Federal University of Vale do São Francisco (UNIVASF), CEP: 56.300-990 Petrolina, Pernambuco, Brazil.
| | | | - Francesca Silva Dias
- Department of Veterinary Sciences in Semiarid, Federal University of Vale do São Francisco (UNIVASF), CEP: 56.300-990 Petrolina, Pernambuco, Brazil; Department of Veterinary Medicine, UNIVASF, CEP: 56.300-990 Petrolina, Pernambuco, Brazil
| | - Daniel Ribeiro Menezes
- Department of Veterinary Sciences in Semiarid, Federal University of Vale do São Francisco (UNIVASF), CEP: 56.300-990 Petrolina, Pernambuco, Brazil; Department of Veterinary Medicine, UNIVASF, CEP: 56.300-990 Petrolina, Pernambuco, Brazil
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27
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Kwoji ID, Aiyegoro OA, Okpeku M, Adeleke MA. Multi-Strain Probiotics: Synergy among Isolates Enhances Biological Activities. BIOLOGY 2021; 10:322. [PMID: 33924344 PMCID: PMC8070017 DOI: 10.3390/biology10040322] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/19/2021] [Accepted: 02/09/2021] [Indexed: 12/13/2022]
Abstract
The use of probiotics for health benefits is becoming popular because of the quest for safer products with protective and therapeutic effects against diseases and infectious agents. The emergence and spread of antimicrobial resistance among pathogens had prompted restrictions over the non-therapeutic use of antibiotics for prophylaxis and growth promotion, especially in animal husbandry. While single-strain probiotics are beneficial to health, multi-strain probiotics might be more helpful because of synergy and additive effects among the individual isolates. This article documents the mechanisms by which multi-strain probiotics exert their effects in managing infectious and non-infectious diseases, inhibiting antibiotic-resistant pathogens and health improvement. The administration of multi-strain probiotics was revealed to effectively alleviate bowel tract conditions, such as irritable bowel syndrome, inhibition of pathogens and modulation of the immune system and gut microbiota. Finally, while most of the current research focuses on comparing the effects of multi-strain and single-strain probiotics, there is a dearth of information on the molecular mechanisms of synergy among multi-strain probiotics isolates. This forms a basis for future research in the development of multi-strain probiotics for enhanced health benefits.
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Affiliation(s)
- Iliya D. Kwoji
- Discipline of Genetics, School of Life Sciences, Westville Campus, University of KwaZulu-Natal, Durban 4000, South Africa; (I.D.K.); (M.O.)
| | - Olayinka A. Aiyegoro
- Gastrointestinal Microbiology and Biotechnology Unit, Agricultural Research Council-Animal Production, Irene 0062, South Africa;
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom 2520, South Africa
| | - Moses Okpeku
- Discipline of Genetics, School of Life Sciences, Westville Campus, University of KwaZulu-Natal, Durban 4000, South Africa; (I.D.K.); (M.O.)
| | - Matthew A. Adeleke
- Discipline of Genetics, School of Life Sciences, Westville Campus, University of KwaZulu-Natal, Durban 4000, South Africa; (I.D.K.); (M.O.)
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28
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Jung S, Woo C, Fugaban JII, Vazquez Bucheli JE, Holzapfel WH, Todorov SD. Bacteriocinogenic Potential of Bacillus amyloliquefaciens Isolated from Kimchi, a Traditional Korean Fermented Cabbage. Probiotics Antimicrob Proteins 2021; 13:1195-1212. [PMID: 33721203 DOI: 10.1007/s12602-021-09772-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2021] [Indexed: 12/24/2022]
Abstract
Bacteriocin production is considered a favorable property for various beneficial cultures. In addition to their potential as biopreservatives, bacteriocins are also promising alternatives for the control of multidrug-resistant pathogens and the inhibition of some viruses and cancer cells. The objective of this study was to screen and characterize a bacteriocin-producing strain with the aim of its future application for control of Listeria monocytogenes, an important food-borne pathogen. A total of 22 potentially bacteriocinogenic strains active against L. monocytogenes ATCC15313 were isolated from locally produced kimchi through a three-level approach. Pure cultures were obtained according to good microbiological practices and differentiated through RAPD-PCR using the primers OPL01, OPL09, and OPL11. Altogether, 5 strains were selected for further study. Specific focus was given to strain ST05DL based on its specific inhibitory activity against L. monocytogenes ATCC15313, while not affecting different strains belonging to the genera Lactobacillus, Pediococcus, Leuconostoc, and Weissella, most of which are beneficial microorganisms. The strain ST05DL was identified as Bacillus amyloliquefaciens based on its sugar fermentation profile obtained through API50CHB analysis and 16S rRNA partial sequencing. The antimicrobial compound produced by B. amyloliquefaciens ST05DL was found to be sensitive to pepsin and α-chymotrypsin, evidence of its proteinaceous nature. The presence of skim milk, NaCl, Tween 80, glycerol, and SDS did not affect the antimicrobial activity. The addition of 20% cell-free supernatant (CFS) obtained from a 24-h culture of B. amyloliquefaciens ST05DL to an exponentially growing culture of L. monocytogenes ATCC15313 successfully inhibited the test microorganisms during the monitored 10-h incubation. Optimal bacteriocin production by B. amyloliquefaciens ST05DL was observed during the stationary phase at 12 h (800 AU/mL) and remained stable for the next 15 h. The ratio between live and dead cells during this period was 74.37% and 25.66%, respectively, as determined by flow cytometry. The presence of the virulence genes hblA, hblB, hblC, nheA, nheB, and nheC was not detected in the total DNA of B. amyloliquefaciens ST05DL, and the strain was resistant only to ampicillin out of 10 tested antibiotics. Future evaluation of expressed bacteriocin/s by B. amyloliquefaciens ST05DL (amino acid sequence, molecular mass, cytotoxicity, detailed mode of action, etc.), will be the next step in the characterization and its potential application as biopreservative and/or pharmaceutical product.
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Affiliation(s)
- Sungmin Jung
- ProBacLab, Graduate School of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea
| | - Chaerin Woo
- ProBacLab, Graduate School of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea
| | - Joanna Ivy Irorita Fugaban
- ProBacLab, Graduate School of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea
| | - Jorge Enrique Vazquez Bucheli
- ProBacLab, Graduate School of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea
| | - Wilhelm Heinrich Holzapfel
- ProBacLab, Graduate School of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea
| | - Svetoslav Dimitrov Todorov
- ProBacLab, Graduate School of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea.
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29
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Woo C, Jung S, Fugaban JII, Bucheli JEV, Holzapfel WH, Todorov SD. Bacteriocin production by Leuconostoc citreum ST110LD isolated from organic farm soil, a promising biopreservative. J Appl Microbiol 2021; 131:1226-1239. [PMID: 33590587 DOI: 10.1111/jam.15042] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/14/2021] [Accepted: 02/11/2021] [Indexed: 11/29/2022]
Abstract
AIMS The objective of this study was to isolate a bacteriocin-producing strain and to characterize the expressed bacteriocin for the control of Listeria monocytogenes with aim of biopreservation application. METHODS AND RESULTS Soil samples from a Korean organic farm were subjected to microbiological analysis for isolation of potential bacteriocinogenic LAB, based on a three-level approach, using L. monocytogenes ATCC 15313 as an indicator test micro-organism. From a total of 17 isolates with inhibitory potential, seven were confirmed to be bacteriocin producers. The selected isolates were differentiated based on their morphology, catalase reaction, sugar fermentation profile obtained by API50CHL and by RAPD-PCR generating two unique profiles. One of the isolates, ST110LD, a specific strong producer of anti-Listeria bacteriocins (12 800 AU ml-1 ) was identified as Leuconostoc citreum. The proteinaceous nature of the inhibitory compound produced by Leuc. citreum ST110LD was confirmed through treatment with pepsin and α-chymotrypsin. Bacteriocin activity was observed to be not affected by the presence of milk, NaCl, SDS, Tween 80 or glycerol. Bacteriocin ST110LD effectively inhibited the growth of exponentially growing L. monocytogenes ATCC 15313 during a 10-h incubation period in BHI at 37°C. In addition, this bacteriocin showed specific inhibition of only Listeria spp., but did not inhibit the growth of beneficial cultures included in the microbial test panel for assessment of the spectrum of activity. CONCLUSIONS Leuconostoc citreum ST110LD was evaluated as safe bacterium strain, producing bacteriocin with high specificity against listerial and enterococcal species. Specificity of producer strain and expressed bacteriocin can be explored in biopreservation of different fermented food products or applied in biotherapy of antibiotic resistant listerial or enterococcal infections. SIGNIFICANCE AND IMPACT OF THE STUDY To the best of our knowledge, this is the first report of bacteriocin produced by Leuc. citreum strain with highly specific antimicrobial activity against Listeria sp. and Enterococcus sp.
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Affiliation(s)
- C Woo
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, South Korea
| | - S Jung
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, South Korea
| | - J I I Fugaban
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, South Korea
| | - J E V Bucheli
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, South Korea
| | - W H Holzapfel
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, South Korea
| | - S D Todorov
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, South Korea
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Jiang S, Cai L, Lv L, Li L. Pediococcus pentosaceus, a future additive or probiotic candidate. Microb Cell Fact 2021; 20:45. [PMID: 33593360 PMCID: PMC7885583 DOI: 10.1186/s12934-021-01537-y] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 02/04/2021] [Indexed: 12/12/2022] Open
Abstract
Background Pediococcus pentosaceus, a promising strain of lactic acid bacteria (LAB), is gradually attracting attention, leading to a rapid increase in experimental research. Due to increased demand for practical applications of microbes, the functional and harmless P. pentosaceus might be a worthwhile LAB strain for both the food industry and biological applications. Results As an additive, P. pentosaceus improves the taste and nutrition of food, as well as the storage of animal products. Moreover, the antimicrobial abilities of Pediococcus strains are being highlighted. Evidence suggests that bacteriocins or bacteriocin-like substances (BLISs) produced by P. pentosaceus play effective antibacterial roles in the microbial ecosystem. In addition, various strains of P. pentosaceus have been highlighted for probiotic use due to their anti-inflammation, anticancer, antioxidant, detoxification, and lipid-lowering abilities. Conclusions Therefore, it is necessary to continue studying P. pentosaceus for further use. Thorough study of several P. pentosaceus strains should clarify the benefits and drawbacks in the future.
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Affiliation(s)
- Shiman Jiang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases and Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Lingzhi Cai
- The Infectious Diseases Department, The First People's Hospital of Wenling, The Affiliated Wenling Hospital of Wenzhou Medical University, Taizhou, China
| | - Longxian Lv
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases and Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases and Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
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Margalho LP, van Schalkwijk S, Bachmann H, Sant’Ana AS. Enterococcus spp. in Brazilian artisanal cheeses: Occurrence and assessment of phenotypic and safety properties of a large set of strains through the use of high throughput tools combined with multivariate statistics. Food Control 2020. [DOI: 10.1016/j.foodcont.2020.107425] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Musiy LY, Tsisaryk OY, Slyvka IM, Kushnir II. Antagonistic activity of strains of lactic acid bacteria isolated from Carpathian cheese. REGULATORY MECHANISMS IN BIOSYSTEMS 2020. [DOI: 10.15421/022089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
A promising area for improving probiotics is the search for new sources of strains and the development of complex preparations which would include different types of bacterial cultures that complement each other. Sources of selection may be traditional dairy products, in particular, cheeses made from raw milk. Wild strains can be endowed with antibacterial properties. The antagonistic action of lactic acid bacteria (LAB) has long attracted the attention of researchers and scientists. The aim of the study was to investigate the antagonistic activity against pathogenic and opportunistic microorganisms of LAB strains isolated from traditional Carpathian cheese. Three samples of cheese were selected for the research – one sample of brynza and budz (brynza before salting), made in the highlands of the Carpathians, and one sample of budz, made in the foothills. LAB were identified using classic microbiological and modern molecular genetic methods (RAPD-PCR, RFLP-PCR, 16S rRNA gene sequencing). The objects of our studies were five strains of LAB: Lactococcus lactis IMAU32258, L. garvieae JB2826472, Enterococcus durans FMA8, E. faecium L3-23, E. faecium IMAU9421. Technological parameters such as acid-forming activity of milk fermentation, resistance to high concentrations of NaCl and temperature optimums of cultivation were taken as the main criteria for assessing the suitability of LAB for inclusion in fermentation preparations. Antagonistic activity was determined by agar diffusion (agar well method) and optic density of test cultures using a Multiscan FC microplate reader (Thermo scientifiс, USA) at the wave of 620 nm. There were four reference strains of pathogenic and opportunistic microorganisms were test cultures: Listeria monocytogenes PCM 2191, Staphylococcus aureus PCM 458, Escherichia coli PCM 2208, Salmonella typhimurium PCM 2182. Strains of the test cultures were received from the collection of microorganisms of the Institute of Biology and Biotechnology the (University of Rzeszów, Poland). According to the ability of LAB strains to form lactic acid, L. lactis IMAU32258 was the best acid-forming agent with an acid-forming energy of 94 °T. E. faecium was characterized by moderate levels of active and titratable acidity. Less pronounced acid-forming ability was determined for the species E. durans and L. garvieae. Cultures of the genus E. faecium, L. garvieae and E. durans were the most resistant to high concentrations of NaCl (6.5%). Regarding temperature optimums, we found that strains of E. faecium and E. durans species grew both at temperatures of 10, 15 and 45 °C, whereas no growth of L. lactis IMAU32258 and L. garvieae JB282647 2 was observed at 45 °C. Among the studied bacteria, the strains of E. durans FMA8 and E. faecium L3-23 were characterized by the highest antagonistic activity in producing the largest zones of growth inhibition and optic density of pathogenic and opportunistic microorganisms. The strain L. garvieae JB282647 2 exhibited the lowest level of antagonistic activity against pathogenic and opportunistic microorganisms.
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Margalho LP, Jorge GP, Noleto DAP, Silva CE, Abreu JS, Piran MVF, Brocchi M, Sant'Ana AS. Biopreservation and probiotic potential of a large set of lactic acid bacteria isolated from Brazilian artisanal cheeses: From screening to in product approach. Microbiol Res 2020; 242:126622. [PMID: 33099234 DOI: 10.1016/j.micres.2020.126622] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 09/28/2020] [Accepted: 10/03/2020] [Indexed: 12/21/2022]
Abstract
The increasing interest in products with functional properties has encouraged the search for new lactic acid bacteria (LAB) present in natural sources, as traditional fermented foods. In this study, a large set of wild LAB isolates (n = 220) from Brazilian artisanal cheeses (BAC) were assessed for their probiotic and biopreservation potential. First, the rational selection was performed. From the tested isolates, 92 (41.8 %) were resistant to low pH (2 and 3). These isolates were submitted to bile salt (0.4 % Oxgall powder) resistance, and 22 were selected and submitted to adhesion assays. The autoaggregation values ranged from 68.5-99% and were considered moderate to high (20-70 %). Hydrophobicity values varied significantly between LAB (5.0-64.3%), and seven isolates presented values higher than 40 %. All selected LAB (n=22) were capable of adhering to Caco-2 (> 70 %) cells, and none isolate displayed any tested gene for biogenic amine production. Most isolates (18/22) showed less than 1 log CFU reduction after passage through the simulated gastrointestinal tract (GIT) conditions. A total of twenty isolates satisfied key in vitro criteria to be considered as probiotics. A hierarchical cluster analysis (HCA) was performed, and two clusters were observed, showing high variability between Lactobacillus plantarum isolates regarding adhesion properties and survival to GIT stress and one influence of the source of isolation on these properties. After screening, the antimicrobial activity of Lb. plantarum (1QB77) was tested in microcheeses in which survival of two relevant pathogenic bacteria (Staphylococcus aureus and Listeria monocytogenes) was monitored along ripening and after a simulated GIT passage, concomitantly. L. plantarum (1QB77) has shown the ability to reach high counts (∼ 9 log CFU/g) at the end of ripening. This isolate was also able to reduce counts of S. aureus and L. monocytogenes in microcheeses in approx. 2.3 and 2.5 log CFU/g, respectively, until the 21st day of ripening; and about 3.2 and 3.5 log CFU/g after simulated GIT passage. Overall, the assessment of the probiotic properties of a large set of LAB was fundamental for gaining insights on the technological, functional, and potential regional traits of wild LAB isolates that can be used to develop starter cultures for tailored applications.
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Affiliation(s)
- Larissa P Margalho
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Genesy P Jorge
- Tropical Disease Laboratory, Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, SP, Brazil
| | - Deise A P Noleto
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Christian E Silva
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Júlia S Abreu
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Marcos V F Piran
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Marcelo Brocchi
- Tropical Disease Laboratory, Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, SP, Brazil
| | - Anderson S Sant'Ana
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil.
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Cui G, Pan C, Xu P, Li Y, Wang L, Gong B, Li X, Huang S. Purification and characterization of a novel bacteriocin produced by Enterococcus faecalis CG-9 from human saliva. BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1830714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
- Gongcheng Cui
- College of Life Science and Technology, Guangxi University, Guangxi, Nanning, PR China
| | - Changpei Pan
- Nanning Science and Technology Enterprise Incubation Base Co., Ltd, Guangxi, Nanning, PR China
| | - Peng Xu
- College of Life Science and Technology, Guangxi University, Guangxi, Nanning, PR China
| | - Yanting Li
- College of Life Science and Technology, Guangxi University, Guangxi, Nanning, PR China
| | - Lijuan Wang
- College of Life Science and Technology, Guangxi University, Guangxi, Nanning, PR China
| | - Binting Gong
- College of Life Science and Technology, Guangxi University, Guangxi, Nanning, PR China
| | - Xiangping Li
- College of Animal Science and Technology, Guangxi University, Guangxi, Nanning, PR China
| | - Shihai Huang
- College of Life Science and Technology, Guangxi University, Guangxi, Nanning, PR China
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Suárez N, Weckx S, Minahk C, Hebert EM, Saavedra L. Metagenomics-based approach for studying and selecting bioprotective strains from the bacterial community of artisanal cheeses. Int J Food Microbiol 2020; 335:108894. [PMID: 33032033 DOI: 10.1016/j.ijfoodmicro.2020.108894] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 09/10/2020] [Accepted: 09/15/2020] [Indexed: 01/18/2023]
Abstract
A metagenome-based approach was used to assess the taxonomic affiliation and functional potential for bacteriocin production of the bacterial community in cow's milk artisanal cheeses from Northwestern Argentina. Three different samples were analyzed by high-throughput sequencing of the V4 region of the 16S rRNA gene and shotgun metagenomics. Taxonomic analysis showed that cheese A and C were quite similar whereas cheese B displayed a rather different bacterial composition. Overall, two families, Streptococceae and Enterococceae, dominated the artisanal cheese microbiota, being the former family prevalent in cheese B and the later family the most important in samples A and C. Besides the usual species associated to cheeses, a number of bacterial taxa that have not been previously found in Argentinean artisanal cheeses were reported in the present work such as Macrococcus caseolyticus and Streptococcus macedonicus Functional metagenomics analysis using the bacteriocin mining software BAGEL3, identified 2 ORFs encoding antimicrobial peptides in cheese B and 42 different peptides in sample C. The bacteriocin genes found showed good correlation with taxonomy. Based on the microbial diversity and functional features found through shotgun metagenomic sequencing, a culture-dependent approach was applied aiming to isolate bacteriocin-producing bacteria able to inhibit the growth of the foodborne pathogen Listeria monocytogenes. From 151 bacterial colonies derived from the cheese samples, 10 were associated to high anti-Listeria activity. Based on partial 16S rRNA gene sequencing and RAPD-PCR analysis, all bacteriocinogenic isolates were identified as Enterococcus faecium. Finally, we carried out a pilot experiment with L. monocytogenes-contaminated cheese using one of the enterococcal isolates as a bioprotective adjunct culture. The use of E. faecium CRL1879 during artisanal cheese manufacturing did not alter the main organoleptic properties of the cheese and ensured an efficient control of the foodborne pathogen up to 30 days. This finding supports the use of E. faecium CRL1879 as an adjunct culture in the cheese-making process with a combination of both safety and minimal processing.
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Affiliation(s)
- N Suárez
- Laboratorio de Genética y Biología Molecular, CERELA-CONICET, Centro de Referencia para Lactobacilos, Chacabuco 145, San Miguel de Tucumán T4000ILC, Tucumán, Argentina
| | - S Weckx
- Research Group of Industrial Microbiology and Food Biotechnology (IMDO), Faculty of Sciences and Bioengineering Sciences, Vrije Universiteit Brussel (VUB), Pleinlaan 2, B-1050 Brussels, Belgium
| | - C Minahk
- Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT) and Instituto de Química Biológica "Dr. Bernabé Bloj", Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Chacabuco 461, T4000ILI San Miguel de Tucumán, Argentina
| | - E M Hebert
- Laboratorio de Genética y Biología Molecular, CERELA-CONICET, Centro de Referencia para Lactobacilos, Chacabuco 145, San Miguel de Tucumán T4000ILC, Tucumán, Argentina.
| | - L Saavedra
- Laboratorio de Genética y Biología Molecular, CERELA-CONICET, Centro de Referencia para Lactobacilos, Chacabuco 145, San Miguel de Tucumán T4000ILC, Tucumán, Argentina.
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CHOEISOONGNERN T, SIVAMARUTHI BS, SIRILUN S, PEERAJAN S, CHOISET Y, RABESONA H, HAERTLÉ T, CHAIYASUT C. Screening and identification of bacteriocin-like inhibitory substances producing lactic acid bacteria from fermented products. FOOD SCIENCE AND TECHNOLOGY 2020. [DOI: 10.1590/fst.13219] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
| | | | | | | | - Yvan CHOISET
- Institut National de la Recherche Agronomique, France
| | | | - Thomas HAERTLÉ
- Institut National de la Recherche Agronomique, France; Poznan University of Life Sciences, Poland; Teheran University, Iran
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Jutinico‐Shubach A, Gutiérrez‐Cortés C, Suarez H. Antilisterial activity of chitosan‐based edible coating incorporating cell‐free supernatant from
Pediococcus pentosaceus
147 on the preservation of fresh cheese. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14715] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | | | - Héctor Suarez
- Instituto de Ciencia y Tecnología de Alimentos Universidad Nacional de Colombia Bogotá Colombia
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Nisin Production by Enterococcus hirae DF105Mi Isolated from Brazilian Goat Milk. Probiotics Antimicrob Proteins 2020; 11:1391-1402. [PMID: 31124051 DOI: 10.1007/s12602-019-09553-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The purpose of this study was to select the promising biopreservation bacteriocin producer strain from goat milk and characterize the expressed bacteriocin, related to its physiological and biochemical properties and specificity of operon encoding production and expression of antimicrobial peptide. Brazilian goat milk was used as the source for the selection of bacteriocin-producing lactic acid bacteria. One strain (DF105Mi) stood out for its strong activity against several Listeria monocytogenes strains. Selected strain was identified based on the biochemical and physiological characteristics and 16s rRNA analysis. The bacteriocin production and inhibitory spectrum of strain DF105Mi were studied, together with the evaluation of the effect of temperature, pH, and chemicals on bacteriocin stability and production, activity, and adsorption to target cells as well as to the cell surface of bacteriocin producers. Physiological and bio-molecular analyses based on targeting of different genes, parts of nisin operon were performed in order to investigate the hypothesis that the studied strain can produce and express nisin. Based on biochemical, physiological, and 16s rRNA analysis, the strain DF105Mi was classified as Enterococcus hirae. The selected strain produces a bacteriocin which is stable in a wide range of pH (2.0-12.0), temperature (up to 120 °C), presence of selected chemicals and presents adsorption affinity to different test organisms, process influenced by environmental conditions. Higher bacteriocin production by Ent. hirae DF105Mi was recorded during stationary growth phase, but only when the strain was cultured at 37 °C. The strain's genetic analysis indicated presence of the genes coding for the production of the bacteriocin nisin. This result was confirmed by cross-checking the sensitivity of the produced strain to commercial nisin A. The strong anti-Listeria activity, bacteriocin adsorption, and stability of produced bacteriocin indicate that Ent. hirae DF105Mi presents a differentiated potential application for biopreservation of fermented dairy products.
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Potential Control of Listeria monocytogenes by Bacteriocinogenic Enterococcus hirae ST57ACC and Pediococcus pentosaceus ST65ACC Strains Isolated From Artisanal Cheese. Probiotics Antimicrob Proteins 2020; 11:696-704. [PMID: 30069686 DOI: 10.1007/s12602-018-9449-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bacteriocinogenic Enterococcus hirae ST57ACC and Pediococcus pentosaceus ST65ACC strains, previously isolated from artisanal cheese, were evaluated for their safety with the aim to determine whether they could be used as beneficial strains, especially in the control of Listeria monocytogenes. Both isolates survived simulated gastrointestinal conditions and showed high levels of auto- and co-aggregation with L. monocytogenes, although the hydrophobicity of cells varied. Using the agar-spot test with 33 commercial drugs from different groups, only anti-inflammatory drugs and drugs containing loratadine and propranolol hydrochloride were able to affect the growth of the tested strains. Both strains were resistant to 3 out of 11 antibiotics tested by the disc diffusion method, and low frequencies of antibiotic resistance-encoding genes were observed by PCR analysis. Tested strains neither presented biogenic amine-related genes nor produced these substances. Aside from some antibiotic resistance characteristics, the tested strains were considered safe as they lack other virulence-related genes. E. hirae ST57ACC and P. pentosaceus ST65ACC both presented beneficial properties, particularly their ability to survive gastrointestinal conditions and to aggregate with L. monocytogenes, which can facilitate the elimination of this pathogen. Further studies should be conducted to better understand these interactions.
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Zhang Y, Yang J, Liu Y, Wu Y, Fang Z, Wang Y, Sun L, Deng Q, Gooneratne R, Xiao L. A novel bacteriocin PE-ZYB1 produced by Pediococcus pentosaceus zy-B isolated from intestine of Mimachlamys nobilis: Purification, identification and its anti-listerial action. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108760] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Fusieger A, Perin LM, Teixeira CG, de Carvalho AF, Nero LA. The ability of Lactococcus lactis subsp. lactis bv. diacetylactis strains in producing nisin. Antonie van Leeuwenhoek 2019; 113:651-662. [DOI: 10.1007/s10482-019-01373-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 12/06/2019] [Indexed: 12/30/2022]
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Gontijo MTP, Silva JDS, Vidigal PMP, Martin JGP. Phylogenetic distribution of the bacteriocin repertoire of lactic acid bacteria species associated with artisanal cheese. Food Res Int 2019; 128:108783. [PMID: 31955749 DOI: 10.1016/j.foodres.2019.108783] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 10/22/2019] [Accepted: 10/26/2019] [Indexed: 12/20/2022]
Abstract
The microbiota contributes to artisanal cheese bioprotection and biopreservation through inter and intraspecific competition. This work aimed to investigate the phylogenetic distribution of the repertoire of bacteriocin structural genes of model lactic acid bacteria (LAB) in order to investigate its respective role in the artisanal cheeses microenvironment. A phylogenetic analysis of the rRNA 16S gene from 445 model strains of LAB was conducted using bayesian inference and the repertoire of bacteriocin genes was predicted from these strains by BAGEL software. Bacterial strains were clustered in five monophyletic clades (A, B, C, D and E) with high posterior probability values (PP > 0.99). One bacteriocin structural gene was predicted for 88.5% of the analyzed strains. The majority of the species encoded different classes of bacteriocins. Greater diversity of bacteriocin genes was found for strains included in clade A, comprising Lactococcus lactis, Streptococcus agalactiae, Streptococcus thermophilus, Streptococcus macedonicus, Enterococcus faecalis and Enterococcus faecium. In addition, Lactococcus lactis presented higher diversity of bacteriocin classes, encoding glycocins, lanthipeptides, sactipeptides, cyclic and linear azole-containing peptides, included in bacteriocins class I, besides class II and III. The results suggest that the distribution of bacteriocin structural genes is related to the phylogenetic clades of LAB species, with a higher frequency in some specific clades. Information comprised in this study contributes to comprehend the bacterial competition mechanisms in the artisanal cheese microenvironment.
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Affiliation(s)
- Marco Túlio Pardini Gontijo
- Departamento de Microbiologia, Centro de Ciências Biológicas e da Saúde (CCB), Universidade Federal de Viçosa (UFV), Viçosa, 36570-900, Minas Gerais, Brazil.
| | - Jackson de Sousa Silva
- Departamento de Engenharia de Produção, Centro de Ciências e Tecnologia (CCT), Universidade Regional do Cariri (URCA), Juazeiro do Norte, 63040-000 Ceará, Brazil.
| | - Pedro Marcus Pereira Vidigal
- Núcleo de Análise de Biomoléculas (NUBIOMOL), Universidade Federal de Viçosa (UFV), Viçosa, 36570-900, Minas Gerais, Brazil
| | - José Guilherme Prado Martin
- Departamento de Microbiologia, Centro de Ciências Biológicas e da Saúde (CCB), Universidade Federal de Viçosa (UFV), Viçosa, 36570-900, Minas Gerais, Brazil
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Todorov S, Cavicchioli V, Ananieva M, Bivolarski V, Vasileva T, Hinkov A, Todorov D, Shishkov S, Haertlé T, Iliev I, Nero L, Ivanova I. Expression of coagulin A with low cytotoxic activity by
Pediococcus pentosaceus
ST65ACC isolated from raw milk cheese. J Appl Microbiol 2019; 128:458-472. [DOI: 10.1111/jam.14492] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 10/10/2019] [Accepted: 10/14/2019] [Indexed: 12/17/2022]
Affiliation(s)
- S.D. Todorov
- Faculdade de Ciências Farmacêuticas Universidade de São Paulo São Paulo Brazil
- Departamento de Veterinária Universidade Federal de Viçosa Viçosa Brazil
| | - V.Q. Cavicchioli
- Departamento de Veterinária Universidade Federal de Viçosa Viçosa Brazil
- Department of Biochemistry and Microbiology Faculty of Biology Plovdiv University Paisii Hilendarski Plovdiv Bulgaria
- Department of General and Applied Microbiology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - M. Ananieva
- Department of General and Applied Microbiology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - V.P. Bivolarski
- Department of Biochemistry and Microbiology Faculty of Biology Plovdiv University Paisii Hilendarski Plovdiv Bulgaria
| | - T.A. Vasileva
- Department of Biochemistry and Microbiology Faculty of Biology Plovdiv University Paisii Hilendarski Plovdiv Bulgaria
| | - A.V. Hinkov
- Laboratory of Virology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - D.G. Todorov
- Laboratory of Virology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - S. Shishkov
- Laboratory of Virology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - T. Haertlé
- Institut National de la Recherche Agronomique UR 1268 Biopolymeres Interactions Assemblages Nantes cedex 3 France
| | - I.N. Iliev
- Department of Biochemistry and Microbiology Faculty of Biology Plovdiv University Paisii Hilendarski Plovdiv Bulgaria
| | - L.A. Nero
- Departamento de Veterinária Universidade Federal de Viçosa Viçosa Brazil
| | - I.V. Ivanova
- Department of General and Applied Microbiology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
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44
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Babich O, Dyshlyuk L, Sukhikh S, Prosekov A, Ivanova S, Pavsky V, Chaplygina T, Kriger O. Effects of Biopreservatives Combined with Modified Atmosphere Packaging on the Quality of Apples and Tomatoes. POL J FOOD NUTR SCI 2019. [DOI: 10.31883/pjfns/110564] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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45
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Kamimura BA, Magnani M, Luciano WA, Campagnollo FB, Pimentel TC, Alvarenga VO, Pelegrino BO, Cruz AG, Sant'Ana AS. Brazilian Artisanal Cheeses: An Overview of their Characteristics, Main Types and Regulatory Aspects. Compr Rev Food Sci Food Saf 2019; 18:1636-1657. [PMID: 33336917 DOI: 10.1111/1541-4337.12486] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 07/12/2019] [Indexed: 12/11/2022]
Abstract
A large variety of cheeses exist in Brazil, reflecting historical and cultural aspects. Brazilian artisanal cheeses present differences in the processing, ripening time (when applied), type of milk used, texture, size, shape, color, moisture content, flavor, the use or not of starter cultures, among others. This review describes the main artisanal cheeses produced in Brazil, focusing on general and particular characteristics associated with their making process and geographical identity. Overall, the high variability of the physicochemical data and deficiency of information on sensorial properties of Brazilian artisanal cheeses were noticed. On the other hand, culture-dependent methods were mostly used to expand the knowledge into the microbiology of these cheeses, whereas their microbial diversity has been recently discovered through the use of 16S rRNA gene sequencing-based methods. The certification of a geographical indication for Brazilian artisanal cheeses may encompass an essential milestone for adding value to these products. Regardless of their significance in the diet, culture, and economy of producing regions, taken together, the reviewed literature discloses the need of insightful studies to generate scientific data to support the expansion of the market, while ensuring the protection of historic aspects related to the production of Brazilian artisanal cheeses.
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Affiliation(s)
- Bruna A Kamimura
- the Dept. of Food Science, Faculty of Food Engineering, Univ. of Campinas, Campinas, SP, Brazil
| | - Marciane Magnani
- the Lab. of Microbial Processes in Foods, Dept. of Food Engineering, Federal Univ. of Paraiba, João Pessoa, PB, Brazil
| | - Winnie A Luciano
- the Lab. of Microbial Processes in Foods, Dept. of Food Engineering, Federal Univ. of Paraiba, João Pessoa, PB, Brazil
| | - Fernanda B Campagnollo
- the Dept. of Food Science, Faculty of Food Engineering, Univ. of Campinas, Campinas, SP, Brazil
| | | | - Verônica O Alvarenga
- the Dept. of Food Science, Faculty of Food Engineering, Univ. of Campinas, Campinas, SP, Brazil
| | - Beatriz O Pelegrino
- the Dept. of Food Technology, Faculty of Veterinary, Fluminense Federal Univ., Niterói, RJ, Brazil
| | - Adriano G Cruz
- the Dept. of Food Technology, Faculty of Veterinary, Fluminense Federal Univ., Niterói, RJ, Brazil.,the Dept. of Food, Federal Inst. of Education, Science, and Technology of Rio de Janeiro, 20270-021, Rio de Janeiro, RJ, Brazil
| | - Anderson S Sant'Ana
- the Dept. of Food Science, Faculty of Food Engineering, Univ. of Campinas, Campinas, SP, Brazil
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46
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Gong L, He H, Li D, Cao L, Khan TA, Li Y, Pan L, Yan L, Ding X, Sun Y, Zhang Y, Yi G, Hu S, Xia L. A New Isolate of Pediococcus pentosaceus (SL001) With Antibacterial Activity Against Fish Pathogens and Potency in Facilitating the Immunity and Growth Performance of Grass Carps. Front Microbiol 2019; 10:1384. [PMID: 31316478 PMCID: PMC6610308 DOI: 10.3389/fmicb.2019.01384] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 06/03/2019] [Indexed: 11/13/2022] Open
Abstract
Probiotic-feeding continues to be a promising strategy to control the bacterial pathogens in aquaculture. A new Pediococcus pentosaceus strain (SL001) was isolated from 1000s of soil samples, which exhibited wide antimicrobial spectrum of against fish pathogens, involving Aeromonas hydrophila, Aeromonas veronii, Aeromonas sobria, Edwardsiella tarda, Lactococcus garvieae, and Plesiomonas shigelloide. The challenge test against A. hydrophila showed that the survival rate of SL001-supplemented group was significantly higher than that of control group (P < 0.05). Moreover, SL001 could stably colonize in gut of grass carp and increased mucus-secreting goblet cells and extended intestinal villi could be observed in SL001-supplemented group (P < 0.05). Feeding with SL001 supplemented diet could significantly enhance the growth rate (P < 0.05) and markedly affect gut microbiota structure of grass carps, resulting in reduced potential pathogens and increased potential probiotics. Furthermore, feeding grass carps with SL001 caused the up-regulated expression of insulin-like growth factor (IGF-1 and IGF-2) and down-regulated expression of myostatin (MSTN-1 and MSTN-2) (P < 0.05), which probably also account for the increased growth rate of SL001-fed group. Meanwhile, relative mRNA expression levels of immune-related genes in liver, spleen, and head kidney were analyzed in grass carps after feeding for 30 days with SL001 supplemented diets. In all three immune organs, the expression levels of immunoglobulin M (IgM) and complement 3 (C3) were significantly increased (P < 0.05), whereas the interleukin-8 (IL-8) was down-regulated (P < 0.05). Besides, whole genome sequencing revealed several probiotics properties of SL001, including organic acid synthesis, bacteriocin synthesis (coagulin), superoxide dismutase, and digestive enzymes. In conclusion, P. pentosaceus SL001 which could enhance immunity and promoter growth rate of grass carps, is prospective to be used as a dietary probiotic in freshwater fish aquaculture.
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Affiliation(s)
- Liang Gong
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Haocheng He
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Dongjie Li
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Lina Cao
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Tahir Ali Khan
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Yanping Li
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Lifei Pan
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Liang Yan
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Xuezhi Ding
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Yunjun Sun
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Youming Zhang
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Ganfeng Yi
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Shengbiao Hu
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
| | - Liqiu Xia
- State Key Laboratory of Developmental Biology of Freshwater Fishes, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha, China
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47
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Cavicchioli VQ, Todorov SD, Iliev I, Ivanova I, Drider D, Nero LA. Physiological and molecular insights of bacteriocin production by Enterococcus hirae ST57ACC from Brazilian artisanal cheese. Braz J Microbiol 2019; 50:369-377. [PMID: 30852798 DOI: 10.1007/s42770-019-00068-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 12/07/2018] [Indexed: 11/25/2022] Open
Abstract
The bacteriocinogenic Enterococcus hirae ST57ACC recently isolated from a Brazilian artisanal cheese was subjected here to additional analyses in order to evaluate its bacteriocin production and the potential influence of ABC transporter system in its expression. Besides these physiological and molecular aspects, the bacteriocin was evaluated for its cytotoxicity against HT-29. Differences in the inoculum size had no impact on the growth of E. hirae ST57ACC; however, the bacteriocin was only produced after 9 h of growth when the strain was inoculated at 5% or 10% (v/v), with similar levels of bacteriocin production obtained by both conventional growth and batch fermentation. Furthermore, potential expression of ABC transporters corresponding to the bacteriocin transport and sugar metabolism was identified. In terms of adverse effects, when a semi-purified fraction of the bacteriocin and the cell-free supernatant were tested against HT-29, total cell viability was similar to observed on untreated cells, indicating the absence of cytotoxic effect. Based on the obtained results, E. hirae ST57ACC can produce its bacteriocin at industrial level by using bioreactors, its bacteriocin expression is potentially influenced by the ABC transporter system, and no cytotoxic effects were observed on HT-29 cells, indicating its potential use as a bio-preservative.
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Affiliation(s)
| | - Svetoslav Dimitrov Todorov
- Departamento de Veterinária, Universidade Federal de Viçosa, Campus UFV, Viçosa, MG, 36570-900, Brazil
- Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 580, São Paulo, SP, 05508-000, Brazil
| | - Ilia Iliev
- Department of Biochemistry and Microbiology, Faculty of Biology, Plovdiv University, 4 Tzar Asen Str, 4000, Plovdiv, Bulgaria
| | - Iskra Ivanova
- Department of General and Applied Microbiology, Faculty of Biology, Sofia University "St. Kliment Ohridski", 8 Dragan Tzankov Blvd., 1164, Sofia, Bulgaria
| | - Djamel Drider
- Université de Lille, INRA, Université d'Artois, Université du Littoral-Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, F-59000, Lille, France
| | - Luís Augusto Nero
- Departamento de Veterinária, Universidade Federal de Viçosa, Campus UFV, Viçosa, MG, 36570-900, Brazil.
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Kim DH, Kim S, Lee JH, Kim JH, Che X, Ma HW, Seo DH, Kim TI, Kim WH, Kim SW, Cheon JH. Lactobacillus acidophilus suppresses intestinal inflammation by inhibiting endoplasmic reticulum stress. J Gastroenterol Hepatol 2019; 34:178-185. [PMID: 29933526 DOI: 10.1111/jgh.14362] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Revised: 06/07/2018] [Accepted: 06/08/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND AND AIM Nuclear factor kappa B (NF-κB) activation and endoplasmic reticulum (ER) stress signaling play significant roles in the pathogenesis of inflammatory bowel disease (IBD). Thus, we evaluated whether new therapeutic probiotics have anti-colitic effects, and we investigated their mechanisms related to NF-κB and ER-stress pathways. METHODS Luciferase, nitric oxide, and cytokine assays using HT-29 or RAW264.7 cells were conducted. Mouse colitis was induced using dextran sulfate sodium and confirmed by disease activity index and histology. Macrophages and T-cell subsets in isolated peritoneal cavity cells and splenocytes were analyzed by flow cytometry. Gene and cytokine expression profiles were determined using reverse-transcription polymerase chain reaction. RESULTS Lactobacillus acidophilus (LA1) and Pediococcus pentosaceus inhibited nitric oxide production in RAW264.7 cells, but only LA1 inhibited Tnfa and induced Il10 expression. LA1 increased the lifespan of dextran sulfate sodium-treated mice and attenuated the severity of colitis by inducing M2 macrophages in peritoneal cavity cells and Th2 and Treg cells in splenocytes. The restoration of goblet cells in the colon was accompanied by the induction of Il10 expression and the suppression of pro-inflammatory cytokines. Additionally, we found that LA1 exerts an anti-colitic effect by improving ER stress in HT-29 cells as well as in vivo. CONCLUSIONS We showed that LA1 significantly interferes with ER stress and suppresses NF-κB activation. Our findings suggest that LA1 can be used as a potent immunomodulator in IBD treatment, and the regulation of ER stress may have significant implications in treating IBD.
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Affiliation(s)
- Da Hye Kim
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Soochan Kim
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Jin Ha Lee
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.,Department of Health Promotion, Severance Hospital, Seoul, Korea
| | - Jae Hyeon Kim
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Xiumei Che
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Hyun Woo Ma
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Dong Hyuk Seo
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Tae Ii Kim
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
| | - Won Ho Kim
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
| | - Seung Won Kim
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Hee Cheon
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
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49
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Characterization of bacteriocins produced by strains of Pediococcus pentosaceus isolated from Minas cheese. ANN MICROBIOL 2018. [DOI: 10.1007/s13213-018-1345-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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50
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Campagnollo FB, Margalho LP, Kamimura BA, Feliciano MD, Freire L, Lopes LS, Alvarenga VO, Cadavez VAP, Gonzales-Barron U, Schaffner DW, Sant'Ana AS. Selection of indigenous lactic acid bacteria presenting anti-listerial activity, and their role in reducing the maturation period and assuring the safety of traditional Brazilian cheeses. Food Microbiol 2018. [PMID: 29526214 DOI: 10.1016/j.fm.2018.02.006] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Artisanal raw milk cheeses are highly appreciated dairy products in Brazil and ensuring their microbiological safety has been a great need. This study reports the isolation and characterization of lactic acid bacteria (LAB) strains with anti-listerial activity, and their effects on Listeria monocytogenes during refrigerated shelf-life of soft Minas cheese and ripening of semi-hard Minas cheese. LAB strains (n = 891) isolated from Minas artisanal cheeses (n = 244) were assessed for anti-listerial activity by deferred antagonism assay at 37 °C and 7 °C. The treatments comprised the production of soft or semi-hard Minas cheeses using raw or pasteurized milk, and including the addition of selected LAB only [Lactobacillus brevis 2-392, Lactobacillus plantarum 1-399 and 4 Enterococcus faecalis (1-37, 2-49, 2-388 and 1-400)], L. monocytogenes only, selected LAB co-inoculated with L. monocytogenes, or without any added cultures. At 37 °C, 48.1% of LAB isolates showed anti-listerial capacity and 77.5% maintained activity at 7 °C. Selected LAB strains presented a bacteriostatic effect on L. monocytogenes in soft cheese. L. monocytogenes was inactivated during the ripening of semi-hard cheeses by the mix of LAB added. Times to attain a 4 log-reduction of L. monocytogenes were 15 and 21 days for semi-hard cheeses produced with raw and pasteurized milk, respectively. LAB with anti-listerial activity isolated from artisanal Minas cheeses can comprise an additional barrier to L. monocytogenes growth during the refrigerated storage of soft cheese and help shorten the ripening period of semi-hard cheeses aged at ambient temperature.
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Affiliation(s)
- Fernanda B Campagnollo
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Larissa P Margalho
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Bruna A Kamimura
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Marcelo D Feliciano
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Luisa Freire
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Letícia S Lopes
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Verônica O Alvarenga
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Vasco A P Cadavez
- CIMO Mountain Research Center, School of Agriculture, Polytechnic Institute of Braganza, Braganza, Portugal
| | - Ursula Gonzales-Barron
- CIMO Mountain Research Center, School of Agriculture, Polytechnic Institute of Braganza, Braganza, Portugal
| | - Donald W Schaffner
- Department of Food Science, School of Environmental and Biological Sciences, Rutgers - The State University of New Jersey, New Brunswick, NJ, USA
| | - Anderson S Sant'Ana
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, SP, Brazil.
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