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Yoon KN, Yang J, Yeom SJ, Kim SS, Park JH, Song BS, Eun JB, Park SH, Lee JH, Kim HB, Lee JH, Kim JK. Lactiplantibacillus argentoratensis AGMB00912 protects weaning mice from ETEC infection and enhances gut health. Front Microbiol 2024; 15:1440134. [PMID: 39318427 PMCID: PMC11420142 DOI: 10.3389/fmicb.2024.1440134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Accepted: 08/30/2024] [Indexed: 09/26/2024] Open
Abstract
Maintaining a healthy intestinal environment, optimal epithelial barrier integrity, and balanced gut microbiota composition are essential for the growth performance of weaning pigs. We identified Lactiplantibacillus argentoratensis AGMB00912 (LA) in healthy porcine feces as having antimicrobial activity against pathogens and enhanced short-chain fatty acid (SCFA) production. Herein, we assess the protective role of LA using a weaning mouse model with enterotoxigenic Escherichia coli (ETEC) infection. LA treatment improves feed intake and weight gain and alleviates colon shortening. Furthermore, LA inhibits intestinal damage, increases the small intestine villus height compared with the ETEC group, and enhances SCFA production. Using the Kyoto Encyclopedia of Genes and Genomes and other bioinformatic tools, including InterProScan and COGNIZER, we validated the presence of SCFA-producing pathways of LA and Lactiplantibacillus after whole genome sequencing. LA mitigates ETEC-induced shifts in the gut microbiota, decreasing the proportion of Escherichia and Enterococcus and increasing SCFA-producing bacteria, including Kineothrix, Lachnoclostridium, Roseuburia, Lacrimispora, Jutongia, and Blautia. Metabolic functional prediction analysis revealed enhanced functions linked to carbohydrate, amino acid, and vitamin biosynthesis, along with decreased functions associated with infectious bacterial diseases compared to the ETEC group. LA mitigates the adverse effects of ETEC infection in weaning mice, enhances growth performance and intestinal integrity, rebalances gut microbiota, and promotes beneficial metabolic functions. These findings validate the functionality of LA in a small animal model, supporting its potential application in improving the health and growth performance of weaning pigs.
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Affiliation(s)
- Ki-Nam Yoon
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup-si, Republic of Korea
- Department of Food Science and Technology, Graduate School of Chonnam National University, Gwangju, Republic of Korea
| | - Jihye Yang
- Departments of Food and Animal Biotechnology and Agricultural Biotechnology, Research Institute of Agriculture and Life Sciences, Center for Food and Bioconvergence, Seoul National University, Seoul, Republic of Korea
| | - Seo-Joon Yeom
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup-si, Republic of Korea
| | - Sang-Su Kim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup-si, Republic of Korea
| | - Jong-Heum Park
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup-si, Republic of Korea
| | - Beom-Seok Song
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup-si, Republic of Korea
| | - Jong-Bang Eun
- Department of Food Science and Technology, Graduate School of Chonnam National University, Gwangju, Republic of Korea
| | - Seung-Hwan Park
- Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, Jeongeup-si, Republic of Korea
| | - Ju Huck Lee
- Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, Jeongeup-si, Republic of Korea
| | - Hyeun Bum Kim
- Department of Animal Resources Science, Dankook University, Cheonan, Republic of Korea
| | - Ju-Hoon Lee
- Departments of Food and Animal Biotechnology and Agricultural Biotechnology, Research Institute of Agriculture and Life Sciences, Center for Food and Bioconvergence, Seoul National University, Seoul, Republic of Korea
| | - Jae-Kyung Kim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup-si, Republic of Korea
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Das S, Konwar BK. Prophylactic application of vaginal lactic acid bacteria against urogenital pathogens and its prospective use in sanitary suppositories. Int Microbiol 2024; 27:179-202. [PMID: 37258658 DOI: 10.1007/s10123-023-00376-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/30/2023] [Accepted: 05/09/2023] [Indexed: 06/02/2023]
Abstract
Beneficial and pathogenic microbes coexist in the vaginal canal, where a diminishing population of lactic acid bacteria may cause recurring urogenital infections. Probiotic bacteria Lactobacillus crispatus, Lactobacillus gasseri, Lactobacillus vaginalis, and pathogenic microbes Enterococcus faecalis, Enterobacter cloacae, Shigella sp., Staphylococcus epidermidis, and Escherichia fergusonii were isolated from vaginal swabs. Lactobacillus sp. and their probiotic culture free supernatant (PCFS) inhibited the growth of the above-mentioned urogenital pathogens. L. crispatus produced both lactic acid and hydrogen peroxide, exhibiting the best antimicrobial potential against the studied pathogens. Lyophilized L. crispatus had a shelf life of 12 months and the lyophilized PCFS also retained its antibacterial property with a minimum inhibition concentration of 1 μg/μL. Carboxy-methyl cellulose-alginate, a green alternative to super-absorbent polymers, was encapsulated with L. crispatus cells. The probiotic in its encapsulated state retained its viability for 21 days, and the bead showed 30% solvent absorptive capacity. PCFS-laced non-woven fabric displayed antibacterial property with no change in its physicochemical properties. These probiotic and postbiotic formulations have excellent prophylactic potential for urogenital infections. Such formulations can be exploited as additives in sanitary suppositories to enhance vaginal health.
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Affiliation(s)
- Shreaya Das
- Department of MBBT, Tezpur University, Napaam-784028, Assam, India
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Babic M, Veljovic K, Popović N, Golic N, Radojkovic D, Stankovic M. Antioxidant effect of lactic acid bacteria in human bronchial epithelial cells exposed to cigarette smoke. J Appl Microbiol 2023; 134:lxad257. [PMID: 37951288 DOI: 10.1093/jambio/lxad257] [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: 01/26/2023] [Revised: 10/03/2023] [Accepted: 11/09/2023] [Indexed: 11/13/2023]
Abstract
AIMS Chronic lung diseases are a major and increasing global health problem, commonly caused by cigarette smoke. We aimed to explore the antioxidant effects of lactic acid bacteria (LAB) against cigarette smoke in bronchial epithelial cells. METHODS AND RESULTS The antioxidant effects of 21 heat-killed (HK) LAB strains were tested in cigarette smoke-stimulated BEAS-2B cells and 3-D bronchospheres organoids. We showed that HK Lactiplantibacillus plantarum BGPKM22 possesses antioxidant activity against cigarette smoke, resistance to hydrogen peroxide, and free radical neutralizing activity. We demonstrated that HK BGPKM22 inhibited cigarette smoke-induced expression of the Aryl hydrocarbon receptor (AhR) and Nuclear factor erythroid 2 related factor 2 (Nrf2) genes. The cell-free supernatant (SN) of BGPKM22 fully confirmed the effects of HK BGPKM22. CONCLUSIONS For the first time, we revealed that HK and SN of Lactip. plantarum BGPKM22 possess antioxidant activity and modulate AhR and Nrf2 gene expression in bronchial epithelial cells exposed to cigarette smoke.
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Affiliation(s)
- Mirjana Babic
- Laboratory for Molecular Biology, Group for Molecular Biology, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11042 Belgrade, Republic of Serbia
| | - Katarina Veljovic
- Laboratory for Molecular Microbiology, Group for Probiotics and Microbiota-Host Interaction, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11042 Belgrade, Republic of Serbia
| | - Nikola Popović
- Laboratory for Molecular Microbiology, Group for Probiotics and Microbiota-Host Interaction, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11042 Belgrade, Republic of Serbia
| | - Natasa Golic
- Laboratory for Molecular Microbiology, Group for Probiotics and Microbiota-Host Interaction, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11042 Belgrade, Republic of Serbia
| | - Dragica Radojkovic
- Laboratory for Molecular Biology, Group for Molecular Biology, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11042 Belgrade, Republic of Serbia
| | - Marija Stankovic
- Laboratory for Molecular Biology, Group for Molecular Biology, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11042 Belgrade, Republic of Serbia
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Choeisoongnern T, Chaiyasut C, Sivamaruthi BS, Makhamrueang N, Peerajan S, Sirilun S, Sittiprapaporn P. Bacteriocin-Producing Enterococcus faecium OV3-6 as a Bio-Preservative Agent to Produce Fermented Houttuynia cordata Thunb. Beverages: A Preliminary Study. Foods 2023; 12:3520. [PMID: 37835173 PMCID: PMC10572304 DOI: 10.3390/foods12193520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/20/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
Microbial contamination affects the quality of the fermented Houttuynia cordata Thunb. (H. cordata) beverage (FHB). The present study aimed to assess the bio-preservative property of Enterococcus faecium OV3-6 (E. faecium OV3-6) during the production of FHB. The antimicrobial activity against Escherichia coli, Salmonella, Bacillus cereus, and Staphylococcus aureus and the survival of E. faecium OV3-6 were studied. Then, FHB fermentation was performed with different preservatives (non-preservative, E. faecium OV3-6, cell-free supernatant of E. faecium OV3-6, and nisin) with and without representative pathogens. The maximum antimicrobial activity against S. aureus and B. cereus was observed after 18 h of cultivation in an MRS medium. E. faecium OV3-6 was used as a starter to produce the FHB, and the strain survived up to 48 h in the fermented beverage. E. faecium OV3-6 and its cell-free supernatant inhibited the growth of E. coli, Salmonella, B. cereus, and S. aureus in the stimulated FHB. The non-preservatives and nisin-containing FHB showed inhibition against Gram-positive pathogens. The FHB treated with E. faecium OV3-6 was rich in lactic acid bacteria, and the product was at an acceptable level of pH (less than 4.3). Certain limitations were identified in the study, such as lack of nutritional, metabolomics analysis, and safety and consumer acceptability of FHB. The results suggested that E. faecium OV3-6 could be used as a bio-preservative to produce fermented plant beverages (FPBs).
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Affiliation(s)
- Thiwanya Choeisoongnern
- Neuropsychological Research Laboratory, Neuroscience Research Center, School of Anti-Aging and Regenerative Medicine, Mae Fah Luang University, Bangkok 10110, Thailand
| | - Chaiyavat Chaiyasut
- Innovation Center for Holistic Health, Nutraceuticals and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand; (C.C.); (B.S.S.)
| | - Bhagavathi Sundaram Sivamaruthi
- Innovation Center for Holistic Health, Nutraceuticals and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand; (C.C.); (B.S.S.)
- Office of Research Administration, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Netnapa Makhamrueang
- Office of Research Administration, Chiang Mai University, Chiang Mai 50200, Thailand
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | | | - Sasithorn Sirilun
- Innovation Center for Holistic Health, Nutraceuticals and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand; (C.C.); (B.S.S.)
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Phakkharawat Sittiprapaporn
- Neuropsychological Research Laboratory, Neuroscience Research Center, School of Anti-Aging and Regenerative Medicine, Mae Fah Luang University, Bangkok 10110, Thailand
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Lake FB, van Overbeek LS, Baars JJP, Abee T, den Besten HMW. Growth performance of Listeria monocytogenes and background microbiota from mushroom processing environments. Int J Food Microbiol 2023; 395:110183. [PMID: 37001480 DOI: 10.1016/j.ijfoodmicro.2023.110183] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023]
Abstract
Interaction between Listeria monocytogenes and resident background microbiota may occur in food processing environments and may influence the survival of this pathogen in a factory environment. Therefore the aim of this study was to characterize the growth performance of microbiota isolated from the processing environments of frozen sliced mushrooms, and to investigate the competitive performance of L. monocytogenes when co-cultured with accompanying environmental microbiota. Acinetobacter, Enterobacteriaceae, Lactococcus and Pseudomonas were the most prominent background microbiota isolated from the processing environment of frozen sliced mushrooms. All individual microbiota strains were able to grow and form biofilm in filter-sterilized mushroom medium, with the mannitol-consumers Raoultella and Ewingella as top performers, reaching up to 9.6 and 9.8 log CFU/mL after 48 h incubation at room temperature. When L. monocytogenes mushroom isolates were co-cultured with the microbiota strains, L. monocytogenes counts ranged from 7.6 to 8.9 log CFU/mL after 24 h of incubation, while counts of the microbiota strains ranged from 5.5 to 9.0 log CFU/mL. Prolonged incubation up to 48 h resulted in further increase of L. monocytogenes counts when co-cultured with non-acidifying species Pseudomonas and Acinetobacter reaching 9.1 to 9.2 log CFU/mL, while a decrease of L. monocytogenes counts reaching 5.8 to 7.7 log CFU/mL was observed in co-culture with Enterobacteriaceae and acidifying Lactococcus representatives. In addition, L. monocytogenes grew also in spent mushroom media of the microbiota strains, except in acidified spent media of Lactococcus strains. These results highlight the competitive ability of L. monocytogenes during co-incubation with microbiota in fresh and in spent mushroom medium, indicative of its invasion and persistence capacity in food processing factory environments.
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Affiliation(s)
- Frank B Lake
- Food Microbiology, Wageningen University and Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - Leo S van Overbeek
- Biointeractions and Plant Health, Wageningen Plant Research, Wageningen University and Research, Droevendaalsesteeg 1, 6708 PB Wageningen, the Netherlands
| | - Johan J P Baars
- Plant Breeding, Wageningen Plant Research, Wageningen University and Research, Droevendaalsesteeg 1, 6708 PB Wageningen, the Netherlands
| | - Tjakko Abee
- Food Microbiology, Wageningen University and Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - Heidy M W den Besten
- Food Microbiology, Wageningen University and Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands.
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Li M, Xiao H, Su Y, Cheng D, Jia Y, Li Y, Yin Q, Gao J, Tang Y, Bai Q. Synergistic Inhibitory Effect of Honey and Lactobacillus plantarum on Pathogenic Bacteria and Their Promotion of Healing in Infected Wounds. Pathogens 2023; 12:pathogens12030501. [PMID: 36986423 PMCID: PMC10053434 DOI: 10.3390/pathogens12030501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/14/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023] Open
Abstract
Prevention and control of infections have become a formidable challenge due to the increasing resistance of pathogens to antibiotics. Probiotics have been discovered to have positive effects on the host, and it is well-known that some Lactobacilli are effective in treating and preventing inflammatory and infectious diseases. In this study, we developed an antibacterial formulation consisting of honey and Lactobacillus plantarum (honey-L. plantarum). The optimal formulation of honey (10%) and L. plantarum (1 × 109 CFU/mL) was used to investigate its antimicrobial effect and mechanism in vitro, and its healing effect on wound healing of whole skin infections in rats. Biofilm crystalline violet staining and fluorescent staining results indicated that the honey-L. plantarum formulation prevented the biofilm formation in Staphylococcus aureus and Pseudomonas aeruginosa and increased the number of dead bacteria in the biofilms. Further mechanism studies revealed that the honey-L. plantarum formulation may inhibit biofilm formation by upregulating biofilm-related genes (icaA, icaR, sigB, sarA, and agrA) and downregulating quorum sensing (QS) associated genes (lasI, lasR, rhlI, rhlR, and pqsR). Furthermore, the honey-L. plantarum formulation decreased the number of bacteria in the infected wounds of rats and accelerated the formation of new connective tissue to promote wound healing. Our study suggests that the honey-L. plantarum formulation provides a promising option for the treatment of pathogenic infections and wound healing.
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Affiliation(s)
- Mei Li
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing 401334, China
| | - Hong Xiao
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing 401334, China
| | - Yongmei Su
- Chongqing College of Traditional Chinese Medicine, Chongqing 402760, China
| | - Danlin Cheng
- The First Clinical School, Chongqing Medical University, Chongqing 400016, China
| | - Yan Jia
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing 401334, China
| | - Yingli Li
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing 401334, China
| | - Qi Yin
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing 401334, China
| | - Jieying Gao
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing 401334, China
| | - Yong Tang
- Chongqing Orthopedics Hospital of Traditional Chinese Medicine, Chongqing 400039, China
| | - Qunhua Bai
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing 401334, China
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Feed additives of bacterial origin as an immunoprotective or imunostimulating factor. ANNALS OF ANIMAL SCIENCE 2023. [DOI: 10.2478/aoas-2023-0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
Abstract
Since January 2006 when using antibiotics as growth promoters in animal feed have been banned scientists are looking for the best resolution to apply alternative substances. Extensive research into the health-promoting properties of probiotics and prebiotics has led to significant interest in the mechanisms of action of the combined administration of these feed additives as a synbiotic. Subsequent research has led to the development of new products. Among the most important health benefits of additives are, inhibiting the growth of pathogenic bacteria in the GI tract, maintenance of homeostasis, treatment of inflammatory bowel diseases, and increase in immunity. Specific immunomodulatory mechanisms of action are not well understood and the effect is not always positive, though there are no reports of adverse effects of these substances found in the literature. For this reason, research is still being conducted on their proper application. However, due to the difficulties of carrying out research on humans, evidence of the beneficial effect of these additives comes mainly from experiments on animals. The objective of the present work was to assess the effect of probiotics, prebiotics, and synbiotics, as well as new additives including postbiotics, proteobiotics, nutribiotics, and pharmabiotics, on specific immunomodulatory mechanisms of action, increase in immunity, the reduction of a broad spectrum of diseases.
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Mahdy MS, Azmy AF, Dishisha T, Mohamed WR, Ahmed KA, Hassan A, Aidy SE, El-Gendy AO. Irinotecan-gut microbiota interactions and the capability of probiotics to mitigate Irinotecan-associated toxicity. BMC Microbiol 2023; 23:53. [PMID: 36864380 PMCID: PMC9979425 DOI: 10.1186/s12866-023-02791-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 02/10/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND Irinotecan is a chemotherapeutic agent used to treat a variety of tumors, including colorectal cancer (CRC). In the intestine, it is transformed into SN-38 by gut microbial enzymes, which is responsible for its toxicity during excretion. OBJECTIVE Our study highlights the impact of Irinotecan on gut microbiota composition and the role of probiotics in limiting Irinotecan-associated diarrhea and suppressing gut bacterial β-glucuronidase enzymes. MATERIAL AND METHODS To investigate the effect of Irinotecan on the gut microbiota composition, we applied 16S rRNA gene sequencing in three groups of stool samples from healthy individuals, colon cancer, and Irinotecan treated patients (n = 5/group). Furthermore, three Lactobacillus spp.; Lactiplantibacillus plantarum (L. plantarum), Lactobacillus acidophilus (L. acidophilus), Lacticaseibacillus rhamnosus (L. rhamnosus) were used in a single and mixed form to in-vitro explore the effect of probiotics on the expression of β-glucuronidase gene from E. coli. Also, probiotics were introduced in single and mixed forms in groups of mice before the administration of Irinotecan, and their protective effects were explored by assessing the level of reactive oxidative species (ROS) as well as studying the concomitant intestinal inflammation and apoptosis. RESULTS The gut microbiota was disturbed in individuals with colon cancer and after Irinotecan treatment. In the healthy group, Firmicutes were more abundant than Bacteriodetes, which was the opposite in the case of colon-cancer or Irinotecan treated groups. Actinobacteria and Verrucomicrobia were markedly present within the healthy group, while Cyanobacteria were noted in colon-cancer and the Irinotecan-treated groups. Enterobacteriaceae and genus Dialister were more abundant in the colon-cancer group than in other groups. The abundance of Veillonella, Clostridium, Butryicicoccus, and Prevotella were increased in Irinotecan-treated groups compared to other groups. Using Lactobacillus spp. mixture in mice models significantly relieved Irinotecan-induced diarrhea through the reduction of both β-glucuronidase expression and ROS, in addition to guarding gut epithelium against microbial dysbiosis and proliferative crypt injury. CONCLUSIONS Irinotecan-based chemotherapy altered intestinal microbiota. The gut microbiota participates greatly in determining both the efficacy and toxicity of chemotherapies, of which the toxicity of Irinotecan is caused by the bacterial ß-glucuronidase enzymes. The gut microbiota can now be aimed and modulated to promote efficacy and decrease the toxicity of chemotherapeutics. The used probiotic regimen in this study lowered mucositis, oxidative stress, cellular inflammation, and apoptotic cascade induction of Irinotecan.
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Affiliation(s)
- Marwa S Mahdy
- Microbiology and Immunology Department, Faculty of Pharmacy, Beni-Suef University, Salah Salem Street, Beni-Suef, 62511, Egypt
| | - Ahmed F Azmy
- Microbiology and Immunology Department, Faculty of Pharmacy, Beni-Suef University, Salah Salem Street, Beni-Suef, 62511, Egypt
| | - Tarek Dishisha
- Microbiology and Immunology Department, Faculty of Pharmacy, Beni-Suef University, Salah Salem Street, Beni-Suef, 62511, Egypt
| | - Wafaa R Mohamed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Kawkab A Ahmed
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Ahmed Hassan
- Department of Clinical Oncology, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - Sahar El Aidy
- Host-Microbe Interactions, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Groningen, The Netherlands
| | - Ahmed O El-Gendy
- Microbiology and Immunology Department, Faculty of Pharmacy, Beni-Suef University, Salah Salem Street, Beni-Suef, 62511, Egypt.
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Lando V, Valduga NZ, Moroni LS. Functional characterization of Lactobacilli strains with antimicrobial activity against Salmonella spp. and cell viability in fermented dairy product. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2023. [DOI: 10.1016/j.bcab.2023.102605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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10
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İncili GK, Karatepe P, Akgöl M, Güngören A, Koluman A, İlhak Oİ, Kanmaz H, Kaya B, Hayaloğlu AA. Characterization of lactic acid bacteria postbiotics, evaluation in-vitro antibacterial effect, microbial and chemical quality on chicken drumsticks. Food Microbiol 2022; 104:104001. [DOI: 10.1016/j.fm.2022.104001] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 11/26/2021] [Accepted: 02/01/2022] [Indexed: 12/20/2022]
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Squarzanti DF, Zanetta P, Ormelli M, Manfredi M, Barberis E, Vanella VV, Amoruso A, Pane M, Azzimonti B. An animal derivative-free medium enhances Lactobacillus johnsonii LJO02 supernatant selective efficacy against the methicillin (oxacillin)-resistant Staphylococcus aureus virulence through key-metabolites. Sci Rep 2022; 12:8666. [PMID: 35606510 PMCID: PMC9126979 DOI: 10.1038/s41598-022-12718-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 05/09/2022] [Indexed: 12/15/2022] Open
Abstract
The spread of multidrug-resistant bacteria, such as the skin commensal Staphylococcus aureus, is a worldwide health challenge; new methods to counteract opportunistic pathogen growth and virulence are urgent. We compared the activity of Lacticaseibacillus rhamnosus LR06 (DSM 21981) and Lactobacillus johnsonii LJO02 (DSM 33828) cell-free supernatants (CFSs) produced in the conventional animal derivative-based MRS medium and an innovative animal derivative-free broth (TIL) versus the MDR S. aureus (ATCC 43300). CFS influence was assessed towards the viability, metabolic activity, and ability to form biofilm of the MDR strain through optical density, alamarBlue assay, and crystal violet staining; their content in short-chain fatty acids, lactic acid, and proteins was analysed via high-resolution mass spectrometry and gas chromatography. All CFSs reduce viable and metabolically active S. aureus, being TIL more efficient compared to MRS in stimulating lactic acid bacteria metabolism and decreasing S. aureus biofilm formation. Particularly, the CFS from LJO02 grown in TIL has the best efficacy, revealing a high amount of lactic acid and 59 peculiar proteins; its effectiveness is partially maintained upon trypsin and proteinase K treatments, but not by pepsin and pH basification. Therefore, antagonistic CFSs may represent a strategic prevention approach, with bacteriotherapeutic and bio-repair potential.
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Affiliation(s)
- Diletta Francesca Squarzanti
- Laboratory of Applied Microbiology, Department of Health Sciences (DiSS), Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100, Novara, Italy
| | - Paola Zanetta
- Laboratory of Applied Microbiology, Department of Health Sciences (DiSS), Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100, Novara, Italy
| | - Margherita Ormelli
- Laboratory of Applied Microbiology, Department of Health Sciences (DiSS), Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100, Novara, Italy
| | - Marcello Manfredi
- Laboratory of Biological Mass Spectrometry, Department of Translational Medicine (DiMeT), Center for Translational Research On Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100, Novara, Italy
| | - Elettra Barberis
- Laboratory of Biological Mass Spectrometry, Department of Translational Medicine (DiMeT), Center for Translational Research On Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100, Novara, Italy
| | - Virginia Vita Vanella
- Laboratory of Biological Mass Spectrometry, Department of Translational Medicine (DiMeT), Center for Translational Research On Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100, Novara, Italy
| | - Angela Amoruso
- Probiotical Research S.R.L, Via Mattei 3, 28100, Novara, Italy
| | - Marco Pane
- Probiotical Research S.R.L, Via Mattei 3, 28100, Novara, Italy
| | - Barbara Azzimonti
- Laboratory of Applied Microbiology, Department of Health Sciences (DiSS), Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100, Novara, Italy.
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12
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Lactiplantibacillus plantarum 299v as starter culture suppresses Enterobacteriaceae more efficiently than spontaneous fermentation of carrots. Food Microbiol 2022; 103:103952. [DOI: 10.1016/j.fm.2021.103952] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 11/12/2021] [Accepted: 11/19/2021] [Indexed: 12/28/2022]
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13
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Pereira WA, Piazentin ACM, de Oliveira RC, Mendonça CMN, Tabata YA, Mendes MA, Fock RA, Makiyama EN, Corrêa B, Vallejo M, Villalobos EF, de S Oliveira RP. Bacteriocinogenic probiotic bacteria isolated from an aquatic environment inhibit the growth of food and fish pathogens. Sci Rep 2022; 12:5530. [PMID: 35365686 PMCID: PMC8975912 DOI: 10.1038/s41598-022-09263-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 03/08/2022] [Indexed: 12/19/2022] Open
Abstract
The conditions of aquatic environments have a great influence on the microbiota of several animals, many of which are a potential source of microorganisms of biotechnological interest. In this study, bacterial strains isolated from aquatic environments were bioprospected to determine their probiotic profile and antimicrobial effect against fish and food pathogens. Two isolates, identified via 16S rRNA sequencing as Lactococcus lactis (L1 and L2) and one as Enterococcus faecium 135 (EF), produced a bacteriocin-like antimicrobial substance (BLIS), active against Listeria monocytogenes, Salmonella Choleraesuis and Salmonella Typhimurium. Antimicrobial activity of BLIS was reduced when exposed to high temperatures and proteolytic enzymes (trypsin, pepsin, papain and pancreatin). All strains were sensitive to 7 types of antibiotics (vancomycin, clindamycin, streptomycin, gentamicin, chloramphenicol, rifampicin and ampicillin), exhibited a high rate of adherence to Caco-2 cells and expressed no hemolysin and gelatinase virulence factors. EF showed some resistance at pH 2.5 and 3.0, and L2/EF showed higher resistance to the action of bile salts. Finally, the presence of bacteriocin genes encoding for proteins, including Nisin (L1 and L2), Enterocin A, B, P, and Mundticin KS (EF) was detected. The molecular and physiological evidence suggests that the bacterial isolates in this study could be used as natural antimicrobial agents and may be considered safe for probiotic application.
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Affiliation(s)
- Wellison Amorim Pereira
- Laboratory of Microbial Biomolecules, School of Pharmaceutical Sciences, University of São Paulo, Rua Do Lago, 250, Cidade Universitária, São Paulo, 05508-000, Brazil
| | - Anna Carolina M Piazentin
- Laboratory of Microbial Biomolecules, School of Pharmaceutical Sciences, University of São Paulo, Rua Do Lago, 250, Cidade Universitária, São Paulo, 05508-000, Brazil
| | - Rodrigo Cardoso de Oliveira
- Laboratory of Microbial Biomolecules, School of Pharmaceutical Sciences, University of São Paulo, Rua Do Lago, 250, Cidade Universitária, São Paulo, 05508-000, Brazil
| | - Carlos Miguel N Mendonça
- Laboratory of Microbial Biomolecules, School of Pharmaceutical Sciences, University of São Paulo, Rua Do Lago, 250, Cidade Universitária, São Paulo, 05508-000, Brazil
| | - Yara Aiko Tabata
- Fishing Institute of São Paulo/Salmoniculture Experimental Station, Av. Campos Do Jordão, Residencial Horto Florestal, Campos do Jordão, São Paulo, 12460-000, Brazil
| | - Maria Anita Mendes
- Chemical Engineering Department, University of São Paulo, Rua Do Lago, 250, Cidade Universitária, São Paulo, 05508-000, Brazil
| | - Ricardo Ambrósio Fock
- Laboratory of Experimental Hematology, University of São Paulo, Av. Prof. Lineu Prestes, 580, Cidade Universitária, São Paulo, 05508- 000, Brazil
| | - Edson Naoto Makiyama
- Laboratory of Experimental Hematology, University of São Paulo, Av. Prof. Lineu Prestes, 580, Cidade Universitária, São Paulo, 05508- 000, Brazil
| | - Benedito Corrêa
- Laboratory of Toxigenic Fungi and Mycotoxins, Av. Prof. Lineu Prestes, 1.374, Edifício Biomédicas II, 05508-900, São Paulo, Brasil
| | - Marisol Vallejo
- Bacterial Biotechnology Laboratory, Faculty of Natural Sciences and Health Sciences, UNPSJB, Sede Trelew, Chubut, Argentina
| | - Elias Figueroa Villalobos
- Nucleus of Research in Food Production, Faculty of Natural Resources, Catholic University of Temuco, Temuco, Chile
| | - Ricardo Pinheiro de S Oliveira
- Laboratory of Microbial Biomolecules, School of Pharmaceutical Sciences, University of São Paulo, Rua Do Lago, 250, Cidade Universitária, São Paulo, 05508-000, Brazil.
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14
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Martín I, Rodríguez A, Delgado J, Córdoba JJ. Strategies for Biocontrol of Listeria monocytogenes Using Lactic Acid Bacteria and Their Metabolites in Ready-to-Eat Meat- and Dairy-Ripened Products. Foods 2022; 11:foods11040542. [PMID: 35206018 PMCID: PMC8871320 DOI: 10.3390/foods11040542] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 12/14/2022] Open
Abstract
Listeria monocytogenes is one of the most important foodborne pathogens. This microorganism is a serious concern in the ready-to-eat (RTE) meat and dairy-ripened products industries. The use of lactic acid bacteria (LAB)-producing anti-L. monocytogenes peptides (bacteriocins) and/or lactic acid and/or other antimicrobial system could be a promising tool to control this pathogen in RTE meat and dairy products. This review provides an up to date about the strategies of use of LAB and their metabolites in RTE meat products and dairy foods by selecting the most appropriate strains, by analysing the mechanism by which they inhibit L. monocytogenes and methods of effective application of LAB, and their metabolites in these kinds of products to control this pathogen throughout the processing and storage. The selection of LAB with anti-L. monocytogenes activity allows to dispose of effective strains in meat and dairy-ripened products, achieving reductions form 2–5 logarithmic cycles of this pathogen throughout the ripening process. The combination of selected LAB strains with antimicrobial compounds, such as acid/sodium lactate and other strategies, as the active packaging could be the next future innovation for eliminating risk of L. monocytogenes in meat and dairy-ripened products.
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15
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Chowdhury N, Hazarika DJ, Goswami G, Sarmah U, Borah S, Boro RC, Barooah M. Acid tolerant bacterium Bacillus amyloliquefaciens MBNC retains biocontrol efficiency against fungal phytopathogens in low pH. Arch Microbiol 2022; 204:124. [PMID: 34997335 DOI: 10.1007/s00203-021-02741-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 11/28/2022]
Abstract
Soil pH conditions have important consequences for microbial community structure, their dynamics, ecosystem processes, and interactions with plants. Low soil pH affects the growth and functional activity of bacterial biocontrol agents which may experience a paradigm shift in their ability to act antagonistically against fungal phytopathogens. In this study, the antifungal activity of an acid-tolerant soil bacterium Bacillus amyloliquefaciens MBNC was evaluated under low pH and compared to its activity in neutral pH conditions. Bacterial supernatant from 3-day-old culture (approximately 11.2 × 108 cells/mL) grown in low pH conditions was found more effective against fungal pathogens. B. amyloliquefaciens MBNC harboured genes involved in the synthesis of secondary metabolites of which surfactin homologues, with varying chain length (C11-C15), were identified through High-Resolution Mass Spectroscopy. The pH of the medium influenced the production of these metabolites. Surfactin C15 was exclusive to the extract of pH 4.5; production of iturinA and surfactin C11 was detected only in pH 7.0, while surfactin C12, C13 and C14 were detected in extracts of both the pH conditions. The secretion of phytohormones viz. indole acetic acid and gibberellic acid by B. amyloliquefaciens MBNC was detected in higher amounts in neutral condition compared to acidic condition. Although, secretion of metabolites and phytohormones in B. amyloliquefaciens MBNC was influenced by the pH condition of the medium, the isolate retained its antagonistic efficiency against several fungal phyto-pathogens under acidic condition.
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Affiliation(s)
- Naimisha Chowdhury
- DBT-North East Centre for Agricultural Biotechnology, Jorhat, Assam, 785013, India.,Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, Assam, 785013, India
| | - Dibya Jyoti Hazarika
- DBT-North East Centre for Agricultural Biotechnology, Jorhat, Assam, 785013, India.,Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, Assam, 785013, India
| | - Gunajit Goswami
- DBT-North East Centre for Agricultural Biotechnology, Jorhat, Assam, 785013, India
| | - Unmona Sarmah
- DBT-North East Centre for Agricultural Biotechnology, Jorhat, Assam, 785013, India
| | - Shrutirupa Borah
- Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, Assam, 785013, India
| | - Robin Chandra Boro
- Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, Assam, 785013, India
| | - Madhumita Barooah
- DBT-North East Centre for Agricultural Biotechnology, Jorhat, Assam, 785013, India. .,Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, Assam, 785013, India.
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16
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Imade EE, Omonigho SE, Babalola OO, Enagbonma BJ. Lactic acid bacterial bacteriocins and their bioactive properties against food-associated antibiotic-resistant bacteria. ANN MICROBIOL 2021. [DOI: 10.1186/s13213-021-01652-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Purpose
Incidence of foodborne diseases and growing resistance of pathogens to classical antibiotics is a major concern in the food industry. Consequently, there is increasing demand for safe foods with fewer chemical additives but natural products which are not harmful to the consumers. Bacteriocins, produced by lactic acid bacteria (LAB), is of interest because they are active in a nanomolar range, do not have toxic effects, and are readily available in fermented food products.
Methods
In this research, LAB were isolated from fufu, gari, kunu, nono, and ogi using De Mann, Rogosa, and Sharpe agar. Cell-free supernatants were prepared from 18-24 h LAB culture grown on MRS broth. Effect of organic acid was eliminated by adjusting the pH of the supernatants to 7.0 with 1M NaOH while the effect of hydrogen peroxide was eliminated by treating with Catalase enzyme. The supernatant was then filter-sterilized using a membrane filtration unit with a 0.2-μm pore size millipore filter and subjected to agar well diffusion assay against foodborne antibiotic-resistant bacteria.
Result
A total of 162 isolates were obtained from the food samples. The antimicrobial sensitivity test yielded positive results for 45 LAB isolates against Staphylococcus aureus ATCC 25923 while 52 LAB isolates inhibited Escherichia coli ATCC 25922. On confirmation of the bacteriocinogenic nature of the inhibitory substance, 4 of the LAB isolates displayed a remarkable degree of inhibition to Leuconostoc mesenteroides, Salmonella typhimurium, and Bacillus cereus. Agar well diffusion assay was also performed against antibiotic-resistant foodborne pathogens using the cell-free supernatant (CFS) obtained from Lactobacillus fermentum strain NBRC15885 (Limosilactobacillus fermentum), Lactobacillus fermentum strain CIP102980 (Limosilactobacillus fermentum), Lactobacillus plantarum strain JCM1149 (Lactiplantibacillus garii), and Lactobacillus natensis strain LP33 (Companilactobacillus nantensis). The foodborne pathogens exhibited a notable level of resistance to antibiotics, with B. cereus exhibiting a resistance profile of 40%, S. aureus (50%), K. pnuemoniae (70%), E. coli (60%), and S. typhi (40%). The (CFS) was able to inhibit the growth of B. cereus, Klebsiella pneumonia, S. typhimurium, S. aureus, and E. coli.
Conclusion
Therefore, it portends that the bacteriocins produced by the LAB isolated from these food products could act as probiotics for effective inhibition of the growth of antibiotic-resistant foodborne pathogens.
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17
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Sadiq FA, Flint S. Dairy strains of Anoxybacillus flavithermus inhibit lipase production by Geobacillus stearothermophilus. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2021.104996] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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İncili GK, Karatepe P, Akgöl M, Kaya B, Kanmaz H, Hayaloğlu AA. Characterization of Pediococcus acidilactici postbiotic and impact of postbiotic-fortified chitosan coating on the microbial and chemical quality of chicken breast fillets. Int J Biol Macromol 2021; 184:429-437. [PMID: 34166693 DOI: 10.1016/j.ijbiomac.2021.06.106] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/12/2021] [Accepted: 06/15/2021] [Indexed: 01/11/2023]
Abstract
This study was carried out to characterize antioxidant activity, total phenolic content, and the phenolic and flavonoids profile of postbiotic of Pediococcus acidilactici and to evaluate the effects of postbiotics (10% and 50%) alone and in combination with chitosan coating (1%) on the microbial and chemical quality of chicken breast fillets during storage at 4 °C. Antioxidant activity and total phenolic content of the postbiotics were found to be 1291.02 ± 1.5 mg/L TEAC and 2336.11 ± 2.36 mg/L GAE, respectively. The most abundant phenolic was vanillic acid, followed by t-caffeic, gallic, and caftaric acids. The postbiotic-chitosan (50% + 1%) combination decreased L. monocytogenes and S. Typhimurium counts by 1.5 and 2.1 log10 CFU/g, respectively, compared to the control (P < 0.05). This combination decreased the total viable count (TVC), lactic acid bacteria (LAB), and psychrotrophic bacteria count compared to the control (P < 0.05). No differences were found in thiobarbituric acid (TBA) values among the samples during storage (P > 0.05). Postbiotic treatment did not significantly change the pH values and color properties of the breast fillets (P > 0.05). Postbiotic-chitosan combinations extended the shelf-life by up to 12 days compared to the control. In conclusion, the postbiotic-chitosan combination can be used to preserve and improve the microbial quality of chicken meat products.
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Affiliation(s)
- Gökhan Kürşad İncili
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Fırat University, Elazığ, Turkey.
| | - Pınar Karatepe
- Food Processing Department, Keban Vocational School, Fırat University, Elazığ, Turkey
| | - Müzeyyen Akgöl
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Fırat University, Elazığ, Turkey
| | - Büşra Kaya
- Department of Food Engineering, Engineering Faculty, Inonu University, Malatya, Turkey
| | - Hilal Kanmaz
- Department of Food Engineering, Engineering Faculty, Inonu University, Malatya, Turkey
| | - Ali Adnan Hayaloğlu
- Department of Food Engineering, Engineering Faculty, Inonu University, Malatya, Turkey
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19
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Twomey E, Hill C, Field D, Begley M. Recipe for Success: Suggestions and Recommendations for the Isolation and Characterisation of Bacteriocins. Int J Microbiol 2021; 2021:9990635. [PMID: 34257667 PMCID: PMC8249226 DOI: 10.1155/2021/9990635] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/17/2021] [Accepted: 06/09/2021] [Indexed: 12/29/2022] Open
Abstract
Bacteriocins are bacterially produced antimicrobial peptides. Although only two peptides have been approved for use as natural preservatives foods, current research is focusing on expanding their application as potential therapeutics against clinical pathogens. Our laboratory group has been working on bacteriocins for over 25 years, and during that time, we have isolated bacteriocin-producing microorganisms from a variety of sources including human skin, human faeces, and various foods. These bacteriocins were purified and characterised, and their potential applications were examined. We have also identified bioengineered derivatives of the prototype lantibiotic nisin which possess more desirable properties than the wild-type, such as enhanced antimicrobial activity. In the current communication, we discuss the main methods that were employed to identify such peptides. Furthermore, we provide a step-by-step guide to carrying out these methods that include accompanying diagrams. We hope that our recommendations and advice will be of use to others in their search for, and subsequent analysis of, novel bacteriocins, and derivatives thereof.
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Affiliation(s)
- Ellen Twomey
- Department of Biological Sciences, Munster Technological University, Cork T12 P928, Ireland
| | - Colin Hill
- School of Microbiology, University College Cork, Cork T12YT20, Ireland
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland
| | - Des Field
- School of Microbiology, University College Cork, Cork T12YT20, Ireland
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland
| | - Máire Begley
- Department of Biological Sciences, Munster Technological University, Cork T12 P928, Ireland
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20
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Algburi A, Al-Hasani HM, Ismael TK, Abdelhameed A, Weeks R, Ermakov AM, Chikindas ML. Antimicrobial Activity of Bacillus subtilis KATMIRA1933 and Bacillus amyloliquefaciens B-1895 Against Staphylococcus aureus Biofilms Isolated from Wound Infection. Probiotics Antimicrob Proteins 2021; 13:125-134. [PMID: 32556931 DOI: 10.1007/s12602-020-09673-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Staphylococcal wound infections range from mild to severe with life-threatening complications. The challenge of controlling such infections is related to bacterial biofilm formation, which is a major factor contributing to antibiotic resistance and infection recurrence. In this study, four clinical isolates of staphylococci species; two isolates of methicillin-resistant Staphylococcus aureus (MRSA) and two methicillin-sensitive Staphylococcus aureus (MSSA) isolates. The identification of bacterial species based on cell morphology, initial biochemical tests, and the VITEK2 system were used to confirm the clinical microbiological diagnosis. Antibiotic sensitivity testing showed that the isolated staphylococci were highly resistant to the following antibiotics, amoxicillin, penicillin G, cefotaxime, and methicillin. Combinations of cefotaxime with the cell-free supernatants (CFS) of Bacillus subtilis KATMIRA1933 and Bacillus amyloliquefaciens B-1895, each one separately showed complementary activity against the tested staphylococci. The co-aggregation capability of the tested bacilli as beneficial bacteria against isolated staphylococci was also evaluated. The data showed a strong co-aggregation with scores (+ 3, + 4) which were reported between the bacilli strains and the isolated staphylococci. Furthermore, the CFS of bacilli strains showed an inhibitory effect against biofilm-associated MRSA and MSSA. These findings confirmed the ability of beneficial bacteria to compete with the pathogens at the site of colonization or for the source of nutrients and, eventually, lead to inhibition of the pathogens' capability of causing a wound infection. Such beneficial bacteria could play an important role in future pharmaceutical and industrial applications.
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Affiliation(s)
- Ammar Algburi
- Department of Biotechnology, College of Science, University of Diyala, Baqubah, Iraq. .,Department of Scholarship and Cultural Relations, Presidency of Diyala University, Baqubah, Iraq.
| | - Halah M Al-Hasani
- Department of Biotechnology, College of Science, University of Diyala, Baqubah, Iraq
| | - Thurya K Ismael
- Educational Laboratories, General Teaching Hospital of Baqubah, Baqubah, Iraq
| | - Alyaa Abdelhameed
- Department of Biotechnology, College of Science, University of Diyala, Baqubah, Iraq
| | - Richard Weeks
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, New Brunswick, NJ, USA
| | | | - Michael L Chikindas
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, New Brunswick, NJ, USA.,Don State Technical University, Rostov-on-Don, Russia
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21
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The Effectiveness of Potential Probiotics Lactobacillus rhamnosus Vahe and Lactobacillus delbrueckii IAHAHI in Irradiated Rats Depends on the Nutritional Stage of the Host. Probiotics Antimicrob Proteins 2021; 12:1439-1450. [PMID: 32462507 DOI: 10.1007/s12602-020-09662-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Several species of eukaryotic organisms living in the high mountain areas of Armenia with naturally occurring levels of radiation have high adaptive responses to radiation. We speculate on the role of the gastrointestinal microbiota in this protection against radiation. Therefore, seventeen microorganisms with high antagonistic activities against several multi-drug-resistant pathogens were isolated from the human and animal gut microbiota, as well as from traditional Armenian fermented products. These strains were tested in vivo on Wistar rats to determine their ability to protect the eukaryotic host against radiation damages. The efficiency of the probiotics' application and the dependence on pre- and post-radiation nutrition of rats were described. The effects of Lactobacillus rhamnosus Vahe, isolated from a healthy breastfed infant, and Lactobacillus delbrueckii IAHAHI, isolated from the fermented dairy product matsuni, on the survival of irradiated rats, and their blood leucocyte and glucose levels, were considered to be the most promising, based on this study's results.
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22
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Toledo-Silva B, de Souza FN, Piepers S, Mertens K, Haesebrouck F, De Vliegher S. Metabolites of bovine-associated non-aureus staphylococci influence expression of Staphylococcus aureus agr-related genes in vitro. Vet Res 2021; 52:62. [PMID: 33926572 PMCID: PMC8082617 DOI: 10.1186/s13567-021-00933-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/12/2021] [Indexed: 12/17/2022] Open
Abstract
Communications via quorum sensing (QS) between non-aureus staphylococci (NAS) and Staphylococcus (S.) aureus in the bovine mammary gland remains largely unexplored. We determined whether 34 S. chromogenes, 11 S. epidermidis, and 14 S. simulans isolates originating from bovine milk samples and teat apices were able to regulate the QS of S. aureus, and if so, how in vitro growth inhibition of S. aureus by NAS, or NAS metabolites, or NAS cells themselves play a role in this process. In co-culture with S. aureus we observed that these 3 NAS species in general downregulated the expression of rnaIII, the effector molecule of the QS system, but this effect was more pronounced in S. chromogenes and S. simulans isolates than in S. epidermidis isolates. In vitro growth inhibition of S. aureus by NAS resulted in a small underestimation of the downregulating effect of NAS on rnaIII expression of S. aureus. Additionally, the culture supernatant of these NAS isolates and supernatant treated with proteinase K expressed greater regulatory activity over S. aureus virulence genes rnaIII, hla, and spa than washed NAS cells suspended in sterile water. These microbial interactions may influence S. aureus virulence and pathogenesis within the host. Isolation and identification of NAS metabolites affecting the QS system of S. aureus might help to develop alternative strategies for treatment and control of S. aureus mastitis.
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Affiliation(s)
- Bruno Toledo-Silva
- M-Team & Mastitis and Milk Quality Research Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
| | - Fernando Nogueira de Souza
- Veterinary Clinical Immunology Research Group, Department of Clinical Science, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, São Paulo, Brazil.,Postgraduate Program in Animal Science, Department of Veterinary Medicine, Federal University of Paraiba, Areia, Brazil
| | - Sofie Piepers
- M-Team & Mastitis and Milk Quality Research Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Kristien Mertens
- M-Team & Mastitis and Milk Quality Research Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Freddy Haesebrouck
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Sarne De Vliegher
- M-Team & Mastitis and Milk Quality Research Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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23
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Chandla S, Harjai K, Shukla G. Synergistic Effect of Biogenics Derived from Potential Probiotics Together with Zingerone Against Biofilm Formation by Pseudomonas aeruginosa PAO1. Probiotics Antimicrob Proteins 2021; 13:1481-1497. [PMID: 33783720 DOI: 10.1007/s12602-021-09763-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2021] [Indexed: 01/11/2023]
Abstract
Biogenics are compounds produced by living organisms such as animals, plants, bacteria, etc. Probiotics and their biogenics are known for their antimicrobial potential. Therefore, the present study was designed to evaluate the antibiofilm potential of probiotic-derived biogenics in conjunction with zingerone against the Pseudomonas aeruginosa PAO1 biofilm. Cell-free supernatant (CFS) of potential probiotics Pediococcus acidilactici BNS5B and Lactobacillus fermentum PUM was found to inhibit the growth of Ps. aeruginosa PAO1 maximally among the nineteen isolated lactic acid bacteria. L. fermentum PUM produced precipitated protein fraction (PP), organic acids (OAs), exopolysaccharides (EPSs), biosurfactants (BSs) and various volatile antimicrobial compounds, while Ped. acidilactici BNS5B was found to produce PP, OA, EPS, BS and fewer volatile antimicrobial compounds only. More specifically, CFS and selected biogenics (OA and PP from L. fermentum PUM; OA from Ped. acidilactici BNS5B) of both potential probiotics showed synergy with zingerone against Ps. aeruginosa growth as observed by FIC index (< 0.5). Interestingly, CFS of both potential probiotics in combination with zingerone led to the formation of a more distorted biofilm compared with OA of L. fermentum PUM and zingerone, OA of Ped. acidilactici BNS5B and zingerone, PP of L. fermentum PUM and zingerone as well as their individual counterparts. Similarly, both confocal laser scanning microscopy and XTT assay showed an increased number of dead and impaired cells along with the decreased viability of biofilm cells. Thus, it can be reckoned that a combination of probiotic-derived biogenics and zingerone can have therapeutic application against Ps. aeruginosa infections which needs to be validated clinically.
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Affiliation(s)
- Swati Chandla
- Department of Microbiology, Panjab University, Basic Medical Sciences (Block-1), South Campus Sector-25, 160014, Chandigarh, India
| | - Kusum Harjai
- Department of Microbiology, Panjab University, Basic Medical Sciences (Block-1), South Campus Sector-25, 160014, Chandigarh, India
| | - Geeta Shukla
- Department of Microbiology, Panjab University, Basic Medical Sciences (Block-1), South Campus Sector-25, 160014, Chandigarh, India.
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24
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Zielińska D, Łepecka A, Ołdak A, Długosz E, Kołożyn-Krajewska D. Growth and adhesion inhibition of pathogenic bacteria by live and heat-killed food-origin Lactobacillus strains or their supernatants. FEMS Microbiol Lett 2021; 368:6149457. [PMID: 33629723 DOI: 10.1093/femsle/fnab024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 02/23/2021] [Indexed: 12/27/2022] Open
Abstract
The study aimed to evaluate qualitatively and quantitatively the antimicrobial capacity of 10 potential probiotic Lactobacillus strains against model enteropathogens and spoilage microorganisms. The probiotic strains (live and heat-killed forms) were also assessed for their ability to inhibit adhesion of selected pathogens to Caco-2 cells. The largest inhibition zones (the diffusion method) were connected with the usage of whole bacteria cultures (WBC), also high and moderate with cell-free supernatant (CFS) and the lowest with cell-free neutralized supernatant (CNS). The highest antagonistic activity of Lactobacillus strains was observed against L. monocytogenes strains, moderate activity against Salmonella, Shigella, Escherichia coli, Pseudomonas and, the lowest against S.aureus, Bacillus and Enterococcus. The inhibition of adhesion to Caco-2 cells was very high in the case of E. coli, Salmonella and L. monocytogenes, and moderate in the case of S.aureus. On average, the inhibition effect was higher when pathogenic bacteria were treated by WBC, than heat-killed Lactobacillus. Although, in most samples, the effect was not significantly different (P> 0.05). The strains Lb. brevis O24 and Lb. rhamnosus K3 showed the biggest overall antimicrobial properties, and were most effective in adherence inhibition of investigated indicator strains. These bacteria or their metabolites can be used for the production of various foods or pharmaceutical products.
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Affiliation(s)
- Dorota Zielińska
- Department of Food Gastronomy and Food Hygiene, Institute of Human Nutrition Sciences, Warsaw University of Life Science - SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Anna Łepecka
- Department of Food Gastronomy and Food Hygiene, Institute of Human Nutrition Sciences, Warsaw University of Life Science - SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Aleksandra Ołdak
- Department of Food Gastronomy and Food Hygiene, Institute of Human Nutrition Sciences, Warsaw University of Life Science - SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Ewa Długosz
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Science - SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Danuta Kołożyn-Krajewska
- Department of Food Gastronomy and Food Hygiene, Institute of Human Nutrition Sciences, Warsaw University of Life Science - SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
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Galyean S, Sawant D, Shin AC. Immunometabolism, Micronutrients, and Bariatric Surgery: The Use of Transcriptomics and Microbiota-Targeted Therapies. Mediators Inflamm 2020; 2020:8862034. [PMID: 33281501 PMCID: PMC7685844 DOI: 10.1155/2020/8862034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/29/2020] [Accepted: 10/31/2020] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Obesity is associated with the gut microbiota and decreased micronutrient status. Bariatric surgery is a recommended therapy for obesity. It can positively affect the composition of the gut bacteria but also disrupt absorption of nutrients. Low levels of micronutrients can affect metabolic processes, like glycolysis, TCA cycle, and oxidative phosphorylation, that are associated with the immune system also known as immunometabolism. METHODS MEDLINE, PUBMED, and Google Scholar were searched. Articles involving gut microbiome, micronutrient deficiency, gut-targeted therapies, transcriptome analysis, micronutrient supplementation, and bariatric surgery were included. RESULTS Studies show that micronutrients play a pivotal role in the intestinal immune system and regulating immunometabolism. Research demonstrates that gut-targeting therapies may improve the microbiome health for bariatric surgery populations. There is limited research that examines the role of micronutrients in modulating the gut microbiota among the bariatric surgery population. CONCLUSIONS Investigations are needed to understand the influence that micronutrient deficiencies have on the gut, particularly immunometabolism. Nutritional transcriptomics shows great potential in providing this type of analysis to develop gut-modulating therapies as well as more personalized nutrition recommendations for bariatric surgery patients.
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Affiliation(s)
- Shannon Galyean
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas, USA
| | - Dhanashree Sawant
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas, USA
| | - Andrew C. Shin
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas, USA
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Costello KM, Smet C, Gutierrez-Merino J, Bussemaker M, Van Impe JF, Velliou EG. The impact of food model system structure on the inactivation of Listeria innocua by cold atmospheric plasma and nisin combined treatments. Int J Food Microbiol 2020; 337:108948. [PMID: 33197682 DOI: 10.1016/j.ijfoodmicro.2020.108948] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 08/14/2020] [Accepted: 10/25/2020] [Indexed: 12/14/2022]
Abstract
Novel processing methods such as cold atmospheric plasma (CAP) and natural antimicrobials like nisin, are of interest to replace traditional food decontamination approaches as, due to their mild nature, they can maintain desirable food characteristics, i.e., taste, texture, and nutritional content. However, the microbial growth characteristics (planktonic growth/surface colonies) and/or the food structure itself (liquid/solid surface) can impact the inactivation efficacy of these novel processing methods. More specifically, cells grown as colonies on a solid(like) surface experience a completely different growth environment to cells grown planktonically in liquid, and thus could display a different response to novel processing treatments through stress adaptation and/or cross protection mechanisms. The order in which combined treatments are applied could also impact their efficacy, especially if the mechanisms of action are complementary. This work presents a fundamental study on the efficacy of CAP and nisin, alone and combined, as affected by food system structure. More specifically, Listeria innocua was grown planktonically (liquid broth) or on a viscoelastic Xanthan gum gel system (1.5% w/v) and treated with CAP, nisin, or a combination of the two. Both the inactivation system, i.e., liquid versus solid(like) surface and the growth characteristics, i.e., planktonic versus colony growth, were shown to impact the treatment efficacy. The combination of nisin and CAP was more effective than individual treatments, but only when nisin was applied before the CAP treatment. This study provides insight into the environmental stress response/adaptation of L. innocua grown on structured systems in response to natural antimicrobials and novel processing technologies, and is a step towards the faster delivery of these food decontamination methods from the bench to the food industry.
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Affiliation(s)
- Katherine M Costello
- Bioprocess and Biochemical Engineering Group (BioProChem), Department of Chemical and Process Engineering, University of Surrey, Guildford GU2 7XH, UK
| | - Cindy Smet
- Chemical and Biochemical Process Technology and Control Laboratory (BioTeC+), KU Leuven, Sustainable Chemical Process Technology, Ghent, Belgium
| | | | - Madeleine Bussemaker
- Bioprocess and Biochemical Engineering Group (BioProChem), Department of Chemical and Process Engineering, University of Surrey, Guildford GU2 7XH, UK
| | - Jan F Van Impe
- School of Biosciences and Medicine, University of Surrey, Guildford GU2 7XH, UK
| | - Eirini G Velliou
- Bioprocess and Biochemical Engineering Group (BioProChem), Department of Chemical and Process Engineering, University of Surrey, Guildford GU2 7XH, UK.
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Cesa-Luna C, Baez A, Aguayo-Acosta A, Llano-Villarreal RC, Juárez-González VR, Gaytán P, Bustillos-Cristales MDR, Rivera-Urbalejo A, Muñoz-Rojas J, Quintero-Hernández V. Growth inhibition of pathogenic microorganisms by Pseudomonas protegens EMM-1 and partial characterization of inhibitory substances. PLoS One 2020; 15:e0240545. [PMID: 33057351 PMCID: PMC7561207 DOI: 10.1371/journal.pone.0240545] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 09/28/2020] [Indexed: 11/18/2022] Open
Abstract
The bacterial strain, EMM-1, was isolated from the rhizosphere of red maize ("Rojo Criollo") and identified as Pseudomonas protegens EMM-1 based on phylogenetic analysis of 16S rDNA, rpoB, rpoD, and gyrB gene sequences. We uncovered genes involved in the production of antimicrobial compounds like 2,4-diacetylphloroglucinol (2,4-DAPG), pyoluteorin, and lectin-like bacteriocins. These antimicrobial compounds are also produced by other fluorescent pseudomonads alike P. protegens. Double-layer agar assay showed that P. protegens EMM-1 inhibited the growth of several multidrug-resistant (MDR) bacteria, especially clinical isolates of the genera Klebsiella and β-hemolytic Streptococcus. This strain also displayed inhibitory effects against diverse fungi, such as Aspergillus, Botrytis, and Fusarium. Besides, a crude extract of inhibitory substances secreted into agar was obtained after the cold-leaching process, and physicochemical characterization was performed. The partially purified inhibitory substances produced by P. protegens EMM-1 inhibited the growth of Streptococcus sp. and Microbacterium sp., but no inhibitory effect was noted for other bacterial or fungal strains. The molecular weight determined after ultrafiltration was between 3 and 10 kDa. The inhibitory activity was thermally stable up to 60°C (but completely lost at 100°C), and the inhibitory activity remained active in a wide pH range (from 3 to 9). After treatment with a protease from Bacillus licheniformis, the inhibitory activity was decreased by 90%, suggesting the presence of proteic natural compounds. All these findings suggested that P. protegens EMM-1 is a potential source of antimicrobials to be used against pathogens for humans and plants.
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Affiliation(s)
- Catherine Cesa-Luna
- Ecology and Survival of Microorganisms Group (ESMG), Laboratorio de Ecología Molecular Microbiana (LEMM), Centro de Investigaciones en Ciencias Microbiológicas (CICM), Instituto de Ciencias (IC), Benemérita Universidad Autónoma de Puebla (BUAP), Puebla, Pue., México
| | - Antonino Baez
- Ecology and Survival of Microorganisms Group (ESMG), Laboratorio de Ecología Molecular Microbiana (LEMM), Centro de Investigaciones en Ciencias Microbiológicas (CICM), Instituto de Ciencias (IC), Benemérita Universidad Autónoma de Puebla (BUAP), Puebla, Pue., México
| | - Alberto Aguayo-Acosta
- Department of Microbiology and Immunology, Biological Sciences Faculty, Universidad Autónoma de Nuevo León, Ciudad Universitaria, San Nicolás de la Garza, Nuevo León, México
| | - Roberto Carlos Llano-Villarreal
- Ecology and Survival of Microorganisms Group (ESMG), Laboratorio de Ecología Molecular Microbiana (LEMM), Centro de Investigaciones en Ciencias Microbiológicas (CICM), Instituto de Ciencias (IC), Benemérita Universidad Autónoma de Puebla (BUAP), Puebla, Pue., México
| | - Víctor Rivelino Juárez-González
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México
| | - Paul Gaytán
- Unidad de Síntesis y Secuenciación de ADN, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México
| | - María del Rocío Bustillos-Cristales
- Ecology and Survival of Microorganisms Group (ESMG), Laboratorio de Ecología Molecular Microbiana (LEMM), Centro de Investigaciones en Ciencias Microbiológicas (CICM), Instituto de Ciencias (IC), Benemérita Universidad Autónoma de Puebla (BUAP), Puebla, Pue., México
| | - América Rivera-Urbalejo
- Ecology and Survival of Microorganisms Group (ESMG), Laboratorio de Ecología Molecular Microbiana (LEMM), Centro de Investigaciones en Ciencias Microbiológicas (CICM), Instituto de Ciencias (IC), Benemérita Universidad Autónoma de Puebla (BUAP), Puebla, Pue., México
- Facultad de Estomatología, BUAP, Puebla, Pue., México
| | - Jesús Muñoz-Rojas
- Ecology and Survival of Microorganisms Group (ESMG), Laboratorio de Ecología Molecular Microbiana (LEMM), Centro de Investigaciones en Ciencias Microbiológicas (CICM), Instituto de Ciencias (IC), Benemérita Universidad Autónoma de Puebla (BUAP), Puebla, Pue., México
| | - Verónica Quintero-Hernández
- Ecology and Survival of Microorganisms Group (ESMG), Laboratorio de Ecología Molecular Microbiana (LEMM), Centro de Investigaciones en Ciencias Microbiológicas (CICM), Instituto de Ciencias (IC), Benemérita Universidad Autónoma de Puebla (BUAP), Puebla, Pue., México
- CONACYT–ESMG, LEMM, CICM, IC-BUAP, Puebla, Pue., México
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Lebas M, Garault P, Carrillo D, Codoñer FM, Derrien M. Metabolic Response of Faecalibacterium prausnitzii to Cell-Free Supernatants from Lactic Acid Bacteria. Microorganisms 2020; 8:microorganisms8101528. [PMID: 33027936 PMCID: PMC7650636 DOI: 10.3390/microorganisms8101528] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/28/2020] [Accepted: 09/30/2020] [Indexed: 01/16/2023] Open
Abstract
Interest in preventive or therapeutic strategies targeting gut microbiota is increasing. Such strategies may involve the direct replenishment of the gut microbiota with single strains or strain mixtures, or the manipulation of strain abundance through dietary intervention, including lactic acid bacteria. A few candidate species associated with health benefits have been identified, including Faecalibacterium prausnitzii. Given its growth requirements, modulation of this bacterium has not been extensively studied. In this investigation, we explored the capacity of cell-free supernatants of different Lactobacillus, Streptococcus, Lactococcus, and Bifidobacterium strains to stimulate the growth of F. prausnitzii A2-165. Modulation by four strains with the greatest capacity to stimulate growth or delay lysis, Lactococcus lactis subsp. lactis CNCM I-1631, Lactococcus lactis subsp. cremoris CNCM I-3558, Lactobacillus paracasei CNCM I-3689, and Streptococcus thermophilus CNCM I-3862, was further characterized by transcriptomics. The response of F. prausnitzii to cell-free supernatants from these four strains revealed several shared characteristics, in particular, upregulation of carbohydrate metabolism and cell wall-related genes and downregulation of replication and mobilome genes. Overall, this study suggests differential responses of F. prausnitzii to metabolites produced by different strains, providing protection against cell death, with an increase in peptidoglycan levels for cell wall formation, and reduced cell mobilome activity.
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Affiliation(s)
- Mathilde Lebas
- Danone Nutricia Research, RD 128 Avenue de la Vauve, 91767 Palaiseau Cédex, France; (M.L.); (P.G.)
| | - Peggy Garault
- Danone Nutricia Research, RD 128 Avenue de la Vauve, 91767 Palaiseau Cédex, France; (M.L.); (P.G.)
| | - Daniel Carrillo
- Archer Daniels Midland Co-Biopolis ADM Nutrition, C/Catedratico Agustin Escardino num 9 Edif 2, Paterna, 46980 Valencia, Spain;
| | - Francisco M. Codoñer
- Archer Daniels Midland Co-Biopolis ADM Nutrition, C/Catedratico Agustin Escardino num 9 Edif 2, Paterna, 46980 Valencia, Spain;
- Present Address: Danone Nutricia Research, 30th Biopolis Street Matrix Building, Singapore 138671, Singapore
- Correspondence: (F.M.C.); (M.D.)
| | - Muriel Derrien
- Danone Nutricia Research, RD 128 Avenue de la Vauve, 91767 Palaiseau Cédex, France; (M.L.); (P.G.)
- Correspondence: (F.M.C.); (M.D.)
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In Vitro Evaluation of Potential Probiotic Strain Lactococcus lactis Gh1 and Its Bacteriocin-Like Inhibitory Substances for Potential Use in the Food Industry. Probiotics Antimicrob Proteins 2020; 13:422-440. [PMID: 32728855 DOI: 10.1007/s12602-020-09690-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Determination of a microbial strain for the joining into sustenance items requires both in vitro and in vivo assessment. A newly isolated bacteriocin-like inhibitory substance (BLIS) producing lactic acid bacterium, Lactococcus lactis Gh1, was isolated from a traditional flavour enhancer and evaluated in vitro for its potential applications in the food industry. Results from this study showed that L. lactis was tolerant to NaCl (≤ 4.0%, w/v), phenol (≤ 0.4%, w/v), 0.3% (w/v) bile salt, and pH 3. BLIS from L. lactis showed antimicrobial activity against Listeria monocytogenes ATCC 15313 and was susceptible to 10 types of antibiotics. The absence of haemolytic activity and the presence of acid phosphatase and naphthol-AS-BI-phosphohydrolase were observed in L. lactis. L. lactis could coagulate milk and showed a negative response to amylolytic and proteolytic activities and did not secrete β-galactosidase. The antimicrobial activity of BLIS was completely abolished at 121 °C. The BLIS was conserved at 4 °C in BHI and MRS medium up to 6-4 months, respectively. BLIS activity was more stable in BHI as compared to MRS after four freeze-thaw cycles and was not affected by a wide range of pH (pH 4-8). BLIS was sensitive to proteinase k and resistant to catalase and trypsin. The antimicrobial activity was slightly reduced by acetone, ethanol, methanol, and acetonitrile at 10% (v/v) and also towards Tween-80, urea, and NaCl 1% (v/v). Results from this study have demonstrated that L. lactis has a vast potential to be applied in the food industry, such as for the preparation of starter culture, functional foods, and probiotic products.
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Vallejo-Cordoba B, Castro-López C, García HS, González-Córdova AF, Hernández-Mendoza A. Postbiotics and paraprobiotics: A review of current evidence and emerging trends. ADVANCES IN FOOD AND NUTRITION RESEARCH 2020; 94:1-34. [PMID: 32892831 DOI: 10.1016/bs.afnr.2020.06.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In recent years, new probiotic-related concepts such as postbiotics and paraprobiotics have been coined to indicate that non-viable microorganisms or bacterial-free extracts may provide benefits to the host by offering additional bioactivities to probiotics, including but not limited to anti-inflammatory, immunomodulatory, anti-proliferative and antioxidant activities. Despite in vitro and in vivo studies that support the promising use of postbiotics and paraprobiotics as health promoters, the mechanism of action and the signaling pathway involved have not yet been fully elucidated. Therefore, the aim of this chapter is to provide an overview of novel probiotic-related concepts and the scientific evidence that supports their bioactivities as well as the possible mechanisms underlying their health-promoting effects. Additionally, current trends in food, feed, and pharmaceutical applications are discussed.
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Affiliation(s)
- Belinda Vallejo-Cordoba
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD, A.C.), Hermosillo, Sonora, Mexico
| | - Cecilia Castro-López
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD, A.C.), Hermosillo, Sonora, Mexico
| | - Hugo S García
- Unidad de Investigación y Desarrollo de Alimentos, Tecnológico Nacional de México/Instituto Tecnológico de Veracruz, Veracruz, Veracruz, Mexico
| | - Aarón F González-Córdova
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD, A.C.), Hermosillo, Sonora, Mexico
| | - Adrián Hernández-Mendoza
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD, A.C.), Hermosillo, Sonora, Mexico.
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George-Okafor U, Ozoani U, Tasie F, Mba-Omeje K. The efficacy of cell-free supernatants from Lactobacillus plantarum Cs and Lactobacillus acidophilus ATCC 314 for the preservation of home-processed tomato-paste. SCIENTIFIC AFRICAN 2020. [DOI: 10.1016/j.sciaf.2020.e00395] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Salari S, Ghasemi Nejad Almani P. Antifungal effects of Lactobacillus acidophilus and Lactobacillus plantarum against different oral Candida species isolated from HIV/ AIDS patients: an in vitro study. J Oral Microbiol 2020; 12:1769386. [PMID: 32922676 PMCID: PMC7448839 DOI: 10.1080/20002297.2020.1769386] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Oropharyngeal Candidiasis (OPC) is an opportunistic fungal infection occurring in immunocompromised patients such as HIV/AIDS. The purpose of this study was to evaluate the antifungal properties of Lactobacillus acidophilus and Lactobacillus plantarum on different Candida species isolated from oral cavity of HIV/AIDS patients compared to Fluconazole (FLC). In this study, the antifungal effects of both cells and cell-free supernatants (CFSs) of L. acidophilus and L. plantarum were investigated against different oral Candida species by co-aggregation, agar overlay interference and broth microdilution assays, respectively. Our results showed that the highest co-aggregation ratio of the two tested Lactic acid bacteria (LAB) was observed for C. krusei. Both L. acidophilus and L. plantarum at cell concentrations 1010 to 102 cfu/ml were able to inhibit the growth of most of the oral Candida species, except for C. albicans, and to some C. krusei. In this study, MIC and MFC values for CFS of L. acidophilus ranged from 100 to 200 µl/ml and 100 to 200 µl/ml, respectively, and MIC and MFC values for CFS of L. plantarum were 50 to 200 µl/ml and 50 to 200 µl/ml, respectively. The ranges of MIC and MFC for FLC were 256-1024 µg/ml and 512-2048 µg/ml, respectively. C. albicans and C. parapsilosis displayed the highest and least susceptibility to CFSs of two LAB, respectively. Our findings showed that both cells and CFSs of L. acidophilus and L. plantarum had antifungal effects against oral Candida species.
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Affiliation(s)
- Samira Salari
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman, Iran.,Students Research Committee, Kerman University of Medical Sciences, Kerman, Iran.,Department of Medical Parasitology and Mycology, Kerman University of Medical Sciences, Kerman, Iran
| | - Pooya Ghasemi Nejad Almani
- Students Research Committee, Kerman University of Medical Sciences, Kerman, Iran.,Department of Medical Parasitology and Mycology, Kerman University of Medical Sciences, Kerman, Iran.,Leishmaniasis Research Center, Kerman University of Medical Sciences, Kerman, Iran
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The efficacy of individual and combined commercial protective cultures against Listeria monocytogenes, Salmonella, O157 and non-O157 shiga toxin-producing Escherichia coli in growth medium and raw milk. Food Control 2020. [DOI: 10.1016/j.foodcont.2019.106924] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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34
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Vivero RJ, Mesa GB, Robledo SM, Herrera CXM, Cadavid-Restrepo G. Enzymatic, antimicrobial, and leishmanicidal bioactivity of gram-negative bacteria strains from the midgut of Lutzomyia evansi, an insect vector of leishmaniasis in Colombia. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2019; 24:e00379. [PMID: 31641623 PMCID: PMC6796522 DOI: 10.1016/j.btre.2019.e00379] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 09/15/2019] [Accepted: 09/15/2019] [Indexed: 02/03/2023]
Abstract
Knowledge regarding new compounds, peptides, and/or secondary metabolites secreted by bacteria isolated from the intestine of phebotominae has the potential to control insect vectors and pathogens (viruses, bacteria, and parasites) transmitted by them. In this respect, twelve Gram-negative bacteria isolated from the intestine of Lutzomyia evansi were selected and screened for their enzymatic, antimicrobial, and leishmanicidal activity. E. cancerogenus, E. aerogenes, P. otitidis, E. cloacae, L. soli, and P. ananatis exhibited enzymatic activity. 83.3% of the isolates displayed lipolytic and nitrate reductase activity and 58.3% of the isolates displayed protease activity. Hemolytic activity (17%) was identified only in E. hormaechei, and P. ananatis. E. cancerogenus, A. calcoaceticus, and P. otitidis showed cellulolytic activity. A. gyllenbergii, P. aeruginosa, and E. hormaechei showed amylolytic activity. In general, the totality of methanolic extracts exhibited antimicrobial activity, where E. hormaechei, A. calcoaceticus, and E. cancerogenus presented the highest activity against the evaluated reference bacteria strains. Cell-free supernatants (CFSS) of the Gram-negative bacteria showed higher growth inhibitory activity against the reference Gram-positive bacteria. The CFS of A. gyllenbergii was the most active antimicrobial in this study, against S. aureus (AAODs = 95.12%) and E. faecalis (AAODs = 86.90%). The inhibition percentages of CFS against Gram-positive bacteria showed statistically significant differences (repeated measure ANOVA df= 2; F= 6.095; P= 0.007832). The E. hormaechei methanolic extract showed leishmanicidal activity (CE-50 μg/ml = 47.7 + 3.8) against metacyclic promastigotes of Leishmania braziliensis (UA301). Based on this finding, we discuss the possible implications of these bacteria in digestion and physiological processes in the Lu. evansi intestine. P. ananatis, E. cloacae, E. hormaechei, and P. otitidis were considered the most promising bacteria in this study and they could potentially be used for biological control.
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Affiliation(s)
- Rafael J. Vivero
- Grupo de Microbiodiversidad y Bioprospección, Laboratorio de Biología Celular y Molecular, Universidad Nacional de Colombia, Sede Medellín, Colombia, Street 59 A # 63-20, Medellín 050003, Colombia
- PECET (Programa de Estudio y Control de Enfermedades Tropicales), Universidad de Antioquia, Medellín, Colombia, Laboratory 632, Medellín 050003, Colombia
| | - Gustavo Bedoya Mesa
- Grupo de Microbiodiversidad y Bioprospección, Laboratorio de Biología Celular y Molecular, Universidad Nacional de Colombia, Sede Medellín, Colombia, Street 59 A # 63-20, Medellín 050003, Colombia
| | - Sara M. Robledo
- PECET (Programa de Estudio y Control de Enfermedades Tropicales), Universidad de Antioquia, Medellín, Colombia, Laboratory 632, Medellín 050003, Colombia
| | - Claudia Ximena Moreno Herrera
- Grupo de Microbiodiversidad y Bioprospección, Laboratorio de Biología Celular y Molecular, Universidad Nacional de Colombia, Sede Medellín, Colombia, Street 59 A # 63-20, Medellín 050003, Colombia
| | - Gloria Cadavid-Restrepo
- Grupo de Microbiodiversidad y Bioprospección, Laboratorio de Biología Celular y Molecular, Universidad Nacional de Colombia, Sede Medellín, Colombia, Street 59 A # 63-20, Medellín 050003, Colombia
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Piqué N, Berlanga M, Miñana-Galbis D. Health Benefits of Heat-Killed (Tyndallized) Probiotics: An Overview. Int J Mol Sci 2019; 20:E2534. [PMID: 31126033 PMCID: PMC6566317 DOI: 10.3390/ijms20102534] [Citation(s) in RCA: 271] [Impact Index Per Article: 54.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 05/17/2019] [Accepted: 05/21/2019] [Indexed: 02/07/2023] Open
Abstract
Nowadays, the oral use of probiotics is widespread. However, the safety profile with the use of live probiotics is still a matter of debate. Main risks include: Cases of systemic infections due to translocation, particularly in vulnerable patients and pediatric populations; acquisition of antibiotic resistance genes; or interference with gut colonization in neonates. To avoid these risks, there is an increasing interest in non-viable microorganisms or microbial cell extracts to be used as probiotics, mainly heat-killed (including tyndallized) probiotic bacteria (lactic acid bacteria and bifidobacteria). Heat-treated probiotic cells, cell-free supernatants, and purified key components are able to confer beneficial effects, mainly immunomodulatory effects, protection against enteropathogens, and maintenance of intestinal barrier integrity. At the clinical level, products containing tyndallized probiotic strains have had a role in gastrointestinal diseases, including bloating and infantile coli-in combination with mucosal protectors-and diarrhea. Heat-inactivated probiotics could also have a role in the management of dermatological or respiratory allergic diseases. The reviewed data indicate that heat-killed bacteria or their fractions or purified components have key probiotic effects, with advantages versus live probiotics (mainly their safety profile), positioning them as interesting strategies for the management of common prevalent conditions in a wide variety of patients´ characteristics.
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Affiliation(s)
- Núria Piqué
- Microbiology Section, Department of Biology, Healthcare and Environment, Faculty of Pharmacy and Food Sciences, Universitat de Barcelona (UB), Av Joan XXIII, 27-31, 08028 Barcelona, Catalonia, Spain.
- Institut de Recerca en Nutrició i Seguretat Alimentària de la UB (INSA-UB), Universitat de Barcelona, 08921 Barcelona, Catalonia, Spain.
| | - Mercedes Berlanga
- Microbiology Section, Department of Biology, Healthcare and Environment, Faculty of Pharmacy and Food Sciences, Universitat de Barcelona (UB), Av Joan XXIII, 27-31, 08028 Barcelona, Catalonia, Spain.
| | - David Miñana-Galbis
- Microbiology Section, Department of Biology, Healthcare and Environment, Faculty of Pharmacy and Food Sciences, Universitat de Barcelona (UB), Av Joan XXIII, 27-31, 08028 Barcelona, Catalonia, Spain.
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Costello KM, Gutierrez-Merino J, Bussemaker M, Ramaioli M, Baka M, Van Impe JF, Velliou EG. Modelling the microbial dynamics and antimicrobial resistance development of Listeria in viscoelastic food model systems of various structural complexities. Int J Food Microbiol 2018; 286:15-30. [PMID: 30031225 DOI: 10.1016/j.ijfoodmicro.2018.07.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 06/01/2018] [Accepted: 07/10/2018] [Indexed: 12/27/2022]
Abstract
Minimal processing for microbial decontamination, such as the use of natural antimicrobials, is gaining interest in the food industry as these methods are generally milder than conventional processing, therefore better maintaining the nutritional content and sensory characteristics of food products. The aim of this study was to quantify the impact of (i) structural composition and complexity, (ii) growth location and morphology, and (iii) the natural antimicrobial nisin, on the microbial dynamics of Listeria innocua. More specifically, viscoelastic food model systems of various compositions and internal structure were developed and characterised, i.e. monophasic Xanthan gum-based and biphasic Xanthan gum/Whey protein-based viscoelastic systems. The microbial dynamics of L. innocua at 10 °C, 30 °C and 37 °C were monitored and compared for planktonic growth in liquid, or in/on (immersed or surface colony growth) the developed viscoelastic systems, with or without a sublethal concentration of nisin. Microscopy imaging was used to determine the bacterial colony size and spatial organisation in/on the viscoelastic systems. Selective growth of L. innocua on the protein phase of the developed biphasic system was observed for the first time. Additionally, significant differences were observed in the colony size and distribution in the monophasic Xanthan gum-based systems depending on (i) the type of growth (surface/immersed) and (ii) the Xanthan gum concentration. Furthermore, the system viscosity in monophasic Xanthan gum-based systems had a protective role against the effects of nisin for immersed growth, and a further inhibitory effect for surface growth at a suboptimal temperature (10 °C). These findings give a systematic quantitative insight on the impact of nisin as an environmental challenge on the growth and spatial organisation of L. innocua, in viscoelastic food model systems of various structural compositions/complexities. This study highlights the importance of accounting for system structural composition/complexity when designing minimal food processing methods with natural antimicrobials.
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Affiliation(s)
- Katherine M Costello
- Bioprocess and Biochemical Engineering Group (BioProChem), Department of Chemical and Process Engineering, University of Surrey, Guildford GU2 7XH, UK
| | | | - Madeleine Bussemaker
- Bioprocess and Biochemical Engineering Group (BioProChem), Department of Chemical and Process Engineering, University of Surrey, Guildford GU2 7XH, UK
| | - Marco Ramaioli
- Bioprocess and Biochemical Engineering Group (BioProChem), Department of Chemical and Process Engineering, University of Surrey, Guildford GU2 7XH, UK
| | - Maria Baka
- Chemical and Biochemical Process Technology and Control Laboratory (BioTeC+), KU Leuven, Sustainable Chemical Process Technology, Campuses Ghent & Aalst, Gebroeders De Smetstraat 1, 9000 Ghent, Belgium
| | - Jan F Van Impe
- Chemical and Biochemical Process Technology and Control Laboratory (BioTeC+), KU Leuven, Sustainable Chemical Process Technology, Campuses Ghent & Aalst, Gebroeders De Smetstraat 1, 9000 Ghent, Belgium
| | - Eirini G Velliou
- Bioprocess and Biochemical Engineering Group (BioProChem), Department of Chemical and Process Engineering, University of Surrey, Guildford GU2 7XH, UK..
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Comparison of Antibacterial Activity of Lactobacillus plantarum Strains Isolated from Two Different Kinds of Regional Cheeses from Poland: Oscypek and Korycinski Cheese. BIOMED RESEARCH INTERNATIONAL 2017. [PMID: 28626762 PMCID: PMC5463104 DOI: 10.1155/2017/6820369] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Oscypek and korycinski are traditional Polish cheeses, exclusively produced in Tatra and in Podlasie region, respectively, produced from raw, unpasteurized milk. The 29 Lactobacillus plantarum strains were isolated on MRS agar from 12 cheese samples and used as a material for study. The main purpose of the work was to assess the antimicrobial properties and recognition of selected strains for the unique antagonistic activity and preservation role in food. It has been found that the highest antimicrobial activity was observed in the case of L. monocytogenes strains; however, the level of that activity was different depending on the Lb. plantarum strain. Strains from oscypek produced broad spectrum, and a few strains isolated from korycinski cheese produced a narrow spectrum of antimicrobial compounds, other than organic acids and hydrogen peroxide. Moreover, the antagonistic activity shown by Lb. plantarum strains is connected with the source from which a given strain was isolated. Strains isolated from oscypek cheese represented stronger activity against L. monocytogenes, whereas strains isolated from korycinski cheese were more active against E. coli. Strains Lb. plantarum Os13 and Kor14 could be considered as good candidates for protective cultures to extend durability of food products.
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Rzepkowska A, Zielińska D, Ołdak A, Kołożyn-Krajewska D. Organic whey as a source of Lactobacillus
strains with selected technological and antimicrobial properties. Int J Food Sci Technol 2017. [DOI: 10.1111/ijfs.13471] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Anna Rzepkowska
- Department of Food Gastronomy and Food Hygiene; Faculty of Human Nutrition and Consumer Sciences; Warsaw University of Life Sciences; Warsaw 02787 Poland
| | - Dorota Zielińska
- Department of Food Gastronomy and Food Hygiene; Faculty of Human Nutrition and Consumer Sciences; Warsaw University of Life Sciences; Warsaw 02787 Poland
| | - Aleksandra Ołdak
- Department of Food Gastronomy and Food Hygiene; Faculty of Human Nutrition and Consumer Sciences; Warsaw University of Life Sciences; Warsaw 02787 Poland
| | - Danuta Kołożyn-Krajewska
- Department of Food Gastronomy and Food Hygiene; Faculty of Human Nutrition and Consumer Sciences; Warsaw University of Life Sciences; Warsaw 02787 Poland
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Zanfardino A, Criscuolo G, Di Luccia B, Pizzo E, Ciavatta M, Notomista E, Carpentieri A, Pezzella A, Varcamonti M. Identification of a new small bioactive peptide from Lactobacillus gasseri supernatant. Benef Microbes 2017; 8:133-141. [DOI: 10.3920/bm2016.0098] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Ten lactic acid bacteria (LAB) strains, previously isolated from human ileal biopsy of healthy volunteers, were screened for production and secretion of molecules having anti-bacterial and anti-biofilm activities. Because many recent reports indicate that LAB secreted molecules may exert immune-modulatory action, we also tested the effect on human intestinal HCT116 cells challenged with bacterial lipopolysaccharides. One of the Lactobacillus gasseri strains, SF1109, strongly inhibited: (1) Pseudomonas aeruginosa growth; (2) Escherichia coli biofilm production; (3) LPS induction of P-ERK1/2 in HCT116 cells, and was selected for further characterisation of the secreted active molecule. Cell-free supernatant of the L. gasseri SF1109 was analysed and one 1.3 kDa peptide has been characterised. Eight out twelve amino acids of this peptide were identified allowing the synthesis of an octa-peptide which still presented the mentioned activities.
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Affiliation(s)
- A. Zanfardino
- Department of Biology, University of Naples Federico II, Via Cintia, 80126 Naples, Italy
| | - G. Criscuolo
- Department of Biology, University of Naples Federico II, Via Cintia, 80126 Naples, Italy
| | - B. Di Luccia
- Department of Biology, University of Naples Federico II, Via Cintia, 80126 Naples, Italy
| | - E. Pizzo
- Department of Biology, University of Naples Federico II, Via Cintia, 80126 Naples, Italy
| | - M.L. Ciavatta
- CNR - Institute of Biomolecular Chemistry, Via Campi Flegrei 34, 80078 Pozzuoli, Italy
| | - E. Notomista
- Department of Biology, University of Naples Federico II, Via Cintia, 80126 Naples, Italy
| | - A. Carpentieri
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia, 80126 Naples, Italy
| | - A. Pezzella
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia, 80126 Naples, Italy
| | - M. Varcamonti
- Department of Biology, University of Naples Federico II, Via Cintia, 80126 Naples, Italy
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Aguilar-Toalá J, Santiago-López L, Peres C, Peres C, Garcia H, Vallejo-Cordoba B, González-Córdova A, Hernández-Mendoza A. Assessment of multifunctional activity of bioactive peptides derived from fermented milk by specific Lactobacillus plantarum strains. J Dairy Sci 2017; 100:65-75. [DOI: 10.3168/jds.2016-11846] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 09/27/2016] [Indexed: 12/20/2022]
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Membrane disruption and DNA binding of Staphylococcus aureus cell induced by a novel antimicrobial peptide produced by Lactobacillus paracasei subsp. tolerans FX-6. Food Control 2016. [DOI: 10.1016/j.foodcont.2015.06.044] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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