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Dishan A, Gönülalan Z. Lacticaseibacillus paracasei AD22 Stress Response in Brined White Cheese Matrix: In Vitro Probiotic Profiles and Molecular Characterization. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10216-4. [PMID: 38421575 DOI: 10.1007/s12602-024-10216-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2024] [Indexed: 03/02/2024]
Abstract
Functionalizing foods involve discovering and integrating new candidate health-promoting bacteria into the food matrix. This study aimed (i) to reveal the probiotic potential of autochthonous Lacticaseibacillus paracasei AD22 by a series of in vitro tests and molecular characterization and (ii) to evaluate its application to the matrix of brined white cheese, which is the most common cheese in Türkiye, in terms of survival and stress response. To evaluate in vitro probiotic characteristics, L. paracasei AD22 was exposed to functional, technological, and safety tests. Pilot scale production was conducted to integrate L. paracasei AD22 into the brined white cheese matrix. The expression levels of stress-related genes (dnaK, groES, ftsH, argH, and hsp20) were detected by reverse-transcriptase polymerase chain reaction to determine the transcriptional stress response during ripening. The presence of genes encoding stress-related proteins was determined by whole-genome sequence analysis using a subsystem approach; the presence of antibiotic resistance and virulence genes was determined by ResFinder4.1 and VirulenceFinder 2.0 databases. The BAGEL4 database determined the presence of bacteriocin clusters. L. paracasei AD22 was found to survive in pH 2 and medium with 12% NaCl and did not cause hemolysis. Adhesion of the strain to Caco2 cells was 76.26 ± 4.81% and it had coaggregation/autoaggregation properties. It was determined that L. paracasei AD22 exceeded 7 log cfu/g in the cheese matrix at the end of the ripening period. Total mesophilic aerobes decreased in the cheese inoculated with L. paracasei AD22 after the 45th day of ripening. While hsp20 and groES genes were downregulated during ripening, argH was upregulated. Both downregulation and upregulation were observed in dnaK and ftsH. Fold changes indicating the expression levels of dnaK, groES, ftsH, argH, and hsp20 genes were not statistically significant during ripening (p > 0.05). Whole-genome sequence profiles revealed that the strain did not contain antibiotic and virulence genes but bacteriocin clusters encoding Enterolysin A (Class III bacteriocin), Carnosine CP52 (class II bacteriocin), Enterocin X beta chain (Class IIc bacteriocin), and the LanT region. Subsystems approach manifested that the most functional part of the genomic distribution belonged to metabolism, protein processing, and stress response functions. The study findings highlight that L. paracasei AD22 will provide biotechnological innovation as a probiotic adjunct because it contains tolerance factors and probiotic characteristics to produce new functional foods.
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Affiliation(s)
- Adalet Dishan
- Faculty of Veterinary Medicine, Dept. of Food Hygiene and Technology, Yozgat Bozok University, Yozgat, Türkiye.
| | - Zafer Gönülalan
- Faculty of Veterinary Medicine, Dept. of Veterinary Public Health, Erciyes University, Kayseri, Türkiye
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2
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Jiang Y, Wu J, Tian L, Liu Y, Zhao F, He Z, Mao Y, Jia J, Guan T. The therapeutic effects of fermented milk with lactic acid bacteria from traditional Daqu on hypertensive mice. J Dairy Sci 2024; 107:742-758. [PMID: 37709033 DOI: 10.3168/jds.2023-23858] [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: 06/11/2023] [Accepted: 08/26/2023] [Indexed: 09/16/2023]
Abstract
Lactic acid bacteria (LAB), a type of microorganism widely used in functional foods, has gained notable research attention in recent years. Certain strains possess the proteolytic ability to release potentially antihypertensive peptides from dairy proteins, which prompted us to explore the LAB strains from an understudied and unique ingredient, Daqu. We screened for 67 strains of LAB strains from traditional Daqu using the calcium dissolution ring method. Sixteen strains exhibiting angiotensin-converting enzyme inhibition (ACE-I) activity exceeding 50% were chosen for 16S rDNA sequencing and safety assessment. It is noteworthy that Enterococcus faecium CP640 and Lacticaseibacillus rhamnosus CP658 exhibited significant ACE-I activity, which was the result of strain fermentation in reconstituted skim milk. These 2 strains did not exhibit hemolytic activity or antibiotic resistance. They also did not produce biogenic amines and showed high survival rates in the gastrointestinal tract. Additionally, Enterococcus faecium CP640 and Lacticaseibacillus rhamnosus CP658 fermented milk exhibited a notable reduction in blood pressure levels in spontaneously hypertensive rats (SHR) compared with negative controls in SHR. Importantly, no adverse effect was observed in normal Wistar-Kyoto rats. Through the analysis of physiological, serum, and urine-related indicators, it was observed that Enterococcus faecium CP640 and Lacticaseibacillus rhamnosus CP658 have the potential to promote weight gain in SHR, alleviate excessive heart rate, improve renal function indicators, and effectively regulate blood sugar and uric acid levels in SHR. These 2 strains showed optimal properties in lowering blood pressure and have the potential to be used in functional dairy products in the future.
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Affiliation(s)
- Yuhang Jiang
- College of Food and Bioengineering, Xihua University, Chengdu, 610039, China; Food Microbiology Key Laboratory of Sichuan Province, Xihua University, Chengdu, 610039, China
| | - Jiang Wu
- College of Food and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Lei Tian
- College of Food and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Ying Liu
- College of Food and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Fan Zhao
- College of Food and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Zongjun He
- Sichuan Tujiu of Liquor Co. Ltd., Nanchong, 637000, China
| | - Yichen Mao
- Xinjiang Kaiduhe of Liquor Co. Ltd., Hejing, 841302, China
| | - Jian Jia
- Sichuan Jiashite of Environmental Testing Co. Ltd., Chengdu, 611730, China
| | - Tongwei Guan
- College of Food and Bioengineering, Xihua University, Chengdu, 610039, China; Food Microbiology Key Laboratory of Sichuan Province, Xihua University, Chengdu, 610039, China.
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3
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Chen T, Li B, Zheng K, Liu Y, Zhang Z, Hu H, Qian G, Jiang J. Lactobacillus paracasei R3 Alleviates Tumor Progression in Mice with Colorectal Cancer. Curr Microbiol 2023; 81:38. [PMID: 38091085 DOI: 10.1007/s00284-023-03525-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 07/25/2023] [Indexed: 12/18/2023]
Abstract
Lactobacillus paracasei (L. paracasei), a common probiotic lactobacillus, has important functions in the food industry and human health. However, different strains of L. paracasei inevitably show differences in activity and colonization resistance, leading to differentiation in their functions, as well as their physical or chemical properties. The purpose of this study was to evaluate the characteristics of L. paracasei R3 (L.p R3) isolated from healthy human feces and determine whether the criteria for edible probiotics is met. The hemolysis type, biofilm-forming ability, antibiotic susceptibility, toxicity, and effective activity of L.p R3 were determined by establishing its probiotic activity traits in vitro and in vivo. The results showed that L.p R3 had a moderate biofilm formation ability, was sensitive to 11 antibiotics, was resistant to eight antibiotics, and was not hemolytic. The culture characteristics, morphology, and biochemical responses of the strain were consistent with the seed batch characteristics. In toxicity assays, L.p R3-fed mice showed no abnormalities in body weight, growth, or various organs. Additionally, L.p R3 was found to be effective in the prevention and treatment of colorectal cancer. In conclusion, our results revealed that L.p R3 has potential value as an edible probiotic without toxic side effects and alleviated the tumor progression of colorectal cancer in mice.
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Affiliation(s)
- Tao Chen
- Center of Human Microecology Engineering and Technology of Guangdong Province, Guangdong Longsee Biomedical Corporation, Guangzhou, 510535, Guangdong, China
| | - Baoxia Li
- Center of Human Microecology Engineering and Technology of Guangdong Province, Guangdong Longsee Biomedical Corporation, Guangzhou, 510535, Guangdong, China
| | - Kangdi Zheng
- Center of Human Microecology Engineering and Technology of Guangdong Province, Guangdong Longsee Biomedical Corporation, Guangzhou, 510535, Guangdong, China
| | - Yan Liu
- Center of Human Microecology Engineering and Technology of Guangdong Province, Guangdong Longsee Biomedical Corporation, Guangzhou, 510535, Guangdong, China.
| | - Zhao Zhang
- Center of Human Microecology Engineering and Technology of Guangdong Province, Guangdong Longsee Biomedical Corporation, Guangzhou, 510535, Guangdong, China
| | - Huimei Hu
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China
| | - Guoqiang Qian
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China.
| | - Jianwei Jiang
- Department of Biochemistry, Basic Medical College, Jinan University, Guangzhou, 510630, Guangdong, China.
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De Simone N, Rocchetti MT, la Gatta B, Spano G, Drider D, Capozzi V, Russo P, Fiocco D. Antimicrobial Properties, Functional Characterisation and Application of Fructobacillus fructosus and Lactiplantibacillus plantarum Isolated from Artisanal Honey. Probiotics Antimicrob Proteins 2023; 15:1406-1423. [PMID: 36173591 PMCID: PMC10491547 DOI: 10.1007/s12602-022-09988-4] [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] [Accepted: 08/26/2022] [Indexed: 11/26/2022]
Abstract
Honey is a valuable reservoir of lactic acid bacteria (LAB) and, particularly, of fructophilic LAB (FLAB), a relatively novel subgroup of LAB whose functional potential for human and food application has yet to be explored. In this study, FLAB and LAB strains have been isolated from honeys of different floral origins and selected for their broad antimicrobial activity against typical foodborne pathogenic bacteria and spoilage filamentous fungi. The best candidates, two strains belonging to the species Lactiplantibacillus plantarum and Fructobacillus fructosus, were submitted to partial characterisation of their cell free supernatants (CFS) in order to identify the secreted metabolites with antimicrobial activity. Besides, these strains were examined to assess some major functional features, including in vitro tolerance to the oro-gastrointestinal conditions, potential cytotoxicity against HT-29 cells, adhesion to human enterocyte-like cells and capability to stimulate macrophages. Moreover, when the tested strains were applied on table grapes artificially contaminated with pathogenic bacteria or filamentous fungi, they showed a good ability to antagonise the growth of undesired microbes, as well as to survive on the fruit surface at a concentration that is recommended to develop a probiotic effect. In conclusion, both LAB and FLAB honey-isolated strains characterised in this work exhibit functional properties that validate their potential use as biocontrol agents and for the design of novel functional foods. We reported antimicrobial activity, cytotoxic evaluation, probiotic properties and direct food application of a F. fructosus strain, improving the knowledge of this species, in particular, and on FLAB, more generally.
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Affiliation(s)
- Nicola De Simone
- Department of Agriculture Food Natural Science Engineering (DAFNE), University of Foggia, via Napoli 25, 71122, Foggia, Italy
| | - Maria Teresa Rocchetti
- Department of Clinical and Experimental Medicine, University of Foggia, via Pinto 1, 71122, Foggia, Italy
| | - Barbara la Gatta
- Department of Agriculture Food Natural Science Engineering (DAFNE), University of Foggia, via Napoli 25, 71122, Foggia, Italy
| | - Giuseppe Spano
- Department of Agriculture Food Natural Science Engineering (DAFNE), University of Foggia, via Napoli 25, 71122, Foggia, Italy
| | - Djamel Drider
- UMR Transfrontalière BioEcoAgro N° 1158, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte d'Opale, ICV-Institut Charles Viollette, 59000, Lille, France
| | - Vittorio Capozzi
- Institute of Sciences of Food Production, National Research Council (CNR) of Italy, c/o CS-DAT, Via Michele Protano, 71122, Foggia, Italy
| | - Pasquale Russo
- Department of Agriculture Food Natural Science Engineering (DAFNE), University of Foggia, via Napoli 25, 71122, Foggia, Italy.
| | - Daniela Fiocco
- Department of Clinical and Experimental Medicine, University of Foggia, via Pinto 1, 71122, Foggia, Italy.
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Jin ES, Kim JY, Min J, Jeon SR, Choi KH, Khan SA, Moon GS, Jeong JH. Preliminary Study on Effect of Lactiplantibacillus plantarum on Osteoporosis in the Ovariectomized Rat. Food Sci Anim Resour 2023; 43:712-720. [PMID: 37483997 PMCID: PMC10359845 DOI: 10.5851/kosfa.2023.e29] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/14/2023] [Accepted: 06/14/2023] [Indexed: 07/25/2023] Open
Abstract
Osteoporosis is a growing global health concern primarily associated with decreased estrogen in postmenopausal women. Recently, some strains of probiotics were examined for potential anti-osteoporotic effects. This study intended to evaluate the impacts of Lactiplantibacillus plantarum MGE 3038 strain (MGE 3038) in ovariectomized rats. For this purpose, twelve weeks old female Wistar rats (n=21; 250-300 g) were divided into 3 groups; ovariectomy (OVX) group, OVX/MGE 3038 group and Sham group (control). In these groups; two went through respective OVX and one had daily MGE 3038 administration through oral gavage. Prior to 16 weeks after OVX, we collected blood samples and extracted the tibiae. We scanned the extracted tibiae by in-vivo micro-computed tomography (micro-CT) and evaluated pathology by hematoxylin and eosin (H&E) and Masson's trichrome staining. The serum levels of C-telopeptide of type I collagen (CTX), osteocalcin (OC), and the receptor activator of nuclear factor-ĸB ligand (RANKL) were examined. The OVX/MGE 3038 group showed increases in bone mineral density, trabecular bone volume, trabecular number, and trabecular thickness (Tb.Th), and a decrease in trabecular spacing than the OVX group. However, OVX/MGE 3038 group and control group were measurably comparable in Tb.Th. Micro-CT, H&E, and Masson's trichrome findings exhibited increased preservation and maintenance of trabecular bone structure in the OVX/MGE 3038 group in comparison to the OVX group. In serum, the levels of CTX, OC and RANKL were significantly different between the OVX and OVX/MGE 3038 groups. Taken together, L. plantarum MGE 3038 could be helpful for the treatment of osteoporosis.
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Affiliation(s)
- Eun-Sun Jin
- Department of Internal Medicine, College
of Medicine, Kyung Hee University, Seoul 02447, Korea
- Laboratory of Stem Cell Therapy, Asan
Medical Center, College of Medicine, University of Ulsan,
Seoul 05505, Korea
| | - Ji Yeon Kim
- Laboratory of Stem Cell Therapy, Asan
Medical Center, College of Medicine, University of Ulsan,
Seoul 05505, Korea
| | - JoongKee Min
- Laboratory of Stem Cell Therapy, Asan
Medical Center, College of Medicine, University of Ulsan,
Seoul 05505, Korea
| | - Sang Ryong Jeon
- Laboratory of Stem Cell Therapy, Asan
Medical Center, College of Medicine, University of Ulsan,
Seoul 05505, Korea
- Department of Neurological Surgery, Asan
Medical Center, College of Medicine, University of Ulsan,
Seoul 05505, Korea
| | - Kyoung Hyo Choi
- Laboratory of Stem Cell Therapy, Asan
Medical Center, College of Medicine, University of Ulsan,
Seoul 05505, Korea
- Department of Rehabilitation Medicine,
Asan Medical Center, College of Medicine, University of Ulsan,
Seoul 05505, Korea
| | - Shehzad Abid Khan
- 4D Convergence Technology Institute, Korea
National University of Transportation, Jeungpyeong 27909,
Korea
| | - Gi-Seong Moon
- 4D Convergence Technology Institute, Korea
National University of Transportation, Jeungpyeong 27909,
Korea
- Department of Biotechnology, Korea
National University of Transportation, Jeungpyeong 27909,
Korea
| | - Je Hoon Jeong
- Laboratory of Stem Cell Therapy, Asan
Medical Center, College of Medicine, University of Ulsan,
Seoul 05505, Korea
- Department of Neurosurgery, Soonchunhyang
University Bucheon Hospital, Bucheon 14584, Korea
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6
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Lee M, Yun YR, Choi EJ, Song JH, Kang JY, Kim D, Lee KW, Chang JY. Anti-obesity effect of vegetable juice fermented with lactic acid bacteria isolated from kimchi in C57BL/6J mice and human mesenchymal stem cells. Food Funct 2023; 14:1349-1356. [PMID: 36630124 DOI: 10.1039/d2fo02998g] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
This study aimed to investigate the effect of fermented vegetable juice (VJ) obtained from a blend of four crops (Brassica oleracea var. capitata, B. oleracea var. italica, Daucus carota L., and Beta vulgaris) on adipogenesis along with the identification of active compounds. Two lactic acid bacteria (LAB) (Companilactobacillus allii WiKim39 and Lactococcus lactis WiKim0124), isolated from kimchi, were used to ferment the VJ and their effectiveness was evaluated in differentiated human mesenchymal stem cells and obese mice. In vitro antibody array analysis was done to understand signaling proteins in adipogenesis. Gene Ontology enrichment analysis showed that differentially expressed proteins are related to biological processes including immunological processes. These were effectively regulated by LAB and fermented VJ. Supplementation of fermented VJ reduced the weight gain, blood biochemical indicators, and liver fat accumulation in mice. Oil Red O staining indicated that the fermentation metabolites of VJ (indole-3-lactic acid, leucic acid, and phenyllactic acid) had an inhibitory effect on lipid accumulation in vitro. Therefore, it can be concluded that LAB-fermented VJ and its metabolites have the potential to counter obesity, and thus can be therapeutically effective.
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Affiliation(s)
- Moeun Lee
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea. .,Biomodulation Major, Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Korea.
| | - Ye-Rang Yun
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea.
| | - Eun Ji Choi
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea.
| | - Jung Hee Song
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea.
| | - Jin Yong Kang
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea.
| | - Daun Kim
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea.
| | - Ki Won Lee
- Biomodulation Major, Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Korea. .,Advanced Institutes of Convergence Technology, Seoul National University, Suwon 16229, Korea
| | - Ji Yoon Chang
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea.
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Huligere SS, Chandana Kumari VB, Alqadi T, Kumar S, Cull CA, Amachawadi RG, Ramu R. Isolation and characterization of lactic acid bacteria with potential probiotic activity and further investigation of their activity by α-amylase and α-glucosidase inhibitions of fermented batters. Front Microbiol 2023; 13:1042263. [PMID: 36756202 PMCID: PMC9901530 DOI: 10.3389/fmicb.2022.1042263] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/23/2022] [Indexed: 01/24/2023] Open
Abstract
Probiotic microbiota plays a vital role in gastrointestinal health and possesses other beneficial attributes such as antimicrobial and antibiotic agents along with a significant role in the management of diabetes. The present study identifies the probiotic potential of Lactobacillus spp. isolated from three traditionally fermented foods namely, jalebi, medhu vada, and kallappam batters at biochemical, physiological, and molecular levels. By 16S rRNA gene amplification and sequencing, the isolates were identified. A similarity of >98% to Lacticaseibacillus rhamnosus RAMULAB13, Lactiplantibacillus plantarum RAMULAB14, Lactiplantibacillus pentosus RAMULAB15, Lacticaseibacillus paracasei RAMULAB16, Lacticaseibacillus casei RAMULAB17, Lacticaseibacillus casei RAMULAB20, and Lacticaseibacillus paracasei RAMULAB21 was suggested when searched for homology using NCBI database. Utilizing the cell-free supernatant (CS), intact cells (IC), and cell-free extract (CE) of the isolates, inhibitory potential activity against the carbohydrate hydrolyzing enzymes α-glucosidase and α-amylase was assessed. CS, CE, and IC of the isolates had a varying capability of inhibition against α-glucosidase (15.08 to 59.55%) and α-amylase (18.79 to 63.42%) enzymes. To assess the probiotic potential of seven isolates, various preliminary characteristics were examined. All the isolates exhibited substantial tolerance toward gastrointestinal conditions and also demonstrated the highest survival rate (> 99%), hydrophobicity (> 65%), aggregation (> 76%), adherence to HT-29 cells (> 84%), and chicken crop epithelial cells suggesting that the isolates had a high probiotic attribute. Additionally, the strains showed remarkable results in safety assessment assays (DNase and hemolytic), and antibacterial and antibiotic evaluations. The study concludes that the lactic acid bacteria (LAB) characterized possesses outstanding probiotic properties and has antidiabetic effects. In order to obtain various health advantages, LAB can be utilized as probiotic supplements.
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Affiliation(s)
- Sujay S. Huligere
- Department of Biotechnology and Bioinformatics, School of Life Sciences, JSS Academy of Higher Education and Research, Mysore, Karnataka, India
| | - V. B. Chandana Kumari
- Department of Biotechnology and Bioinformatics, School of Life Sciences, JSS Academy of Higher Education and Research, Mysore, Karnataka, India
| | - Taha Alqadi
- Department of Biology, Adham University College, Umm Al-Qura University, Makkah, Saudi Arabia
| | | | - Charley A. Cull
- Midwest Veterinary Services, Inc., Oakland, NE, United States
| | - Raghavendra G. Amachawadi
- Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS, United States,Raghavendra G. Amachawadi,
| | - Ramith Ramu
- Department of Biotechnology and Bioinformatics, School of Life Sciences, JSS Academy of Higher Education and Research, Mysore, Karnataka, India,*Correspondence: Ramith Ramu,
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Bacteriocin-Producing Lactic Acid Bacteria Strains with Antimicrobial Activity Screened from Bamei Pig Feces. Foods 2022; 11:foods11050709. [PMID: 35267342 PMCID: PMC8909009 DOI: 10.3390/foods11050709] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 02/18/2022] [Accepted: 02/22/2022] [Indexed: 12/10/2022] Open
Abstract
Lactic acid bacteria (LAB), which are characterized by producing various functional metabolites, including antioxidants, organic acids, and antimicrobial compounds, are widely used in the food industry to improve gut health and prevent the growth of spoilage microorganisms. With the continual incidence of foodborne disease and advocacy of consumers for gut health, LAB have been designated as vital biopreservative agents in recent years. Therefore, LAB with excellent antimicrobial properties and environmental tolerance should be explored further. In this study, we focus on screening the LAB strains from a specialty pig (Bamei pig) feces of the Tibetan plateau region and determine their antimicrobial properties and environmental tolerance to evaluate their potential probiotic values. A total of 116 LAB strains were isolated, from which the LAB strain Qinghai (QP)28-1 was identified as Lactiplantibacillus (L.) plantarum subsp. plantarum using 16S rDNA sequencing and recA amplification, showing the best growth capacity, acid production capacities, environmental tolerance, hydrophobicity, antibiotic susceptibility, and bacteriocin production capacity. Furthermore, this strain inhibited the growth of multiple pathogens by producing organic acids and bacteriocin. These bacteriocin-encoding genes were identified using PCR amplification, including plnS, plnN, and plnW. In conclusion, bacteriocin-producing L. plantarum subsp. plantarum QP28-1 stands out among these 116 LAB strains, and was considered to be a promising strain used for LAB-related food fermentation. Moreover, this study provides a convenient, comprehensive, and shareable profile for screening of superior functional and bacteriocin-producing LAB strains, which can be used in the food industry.
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Duraisamy S, Husain F, Balakrishnan S, Sathyan A, Subramani P, Chidambaram P, Arokiyaraj S, Al-Qahtani WH, Rajabathar J, Kumarasamy A. Phenotypic Assessment of Probiotic and Bacteriocinogenic Efficacy of Indigenous LAB Strains from Human Breast Milk. Curr Issues Mol Biol 2022; 44:731-749. [PMID: 35723336 PMCID: PMC8929004 DOI: 10.3390/cimb44020051] [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: 12/31/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 11/16/2022] Open
Abstract
Breast milk is the combination of bioactive compounds and microflora that promote newborn’s proper growth, gut flora, and immunity. Thus, it is always considered the perfect food for newborns. Amongst their bioactives, probiotic communities—especially lactic acid bacteria (LAB)—are characterized from breast milk over the first month of parturition. In this study, seven LAB were characterized phenotypically and genotypically as Levilactobacillus brevis BDUMBT08 (MT673657), L. gastricus BDUMBT09 (MT774596), L. paracasei BDUMBT10 (MT775430), L. brevis BDUMBT11 (MW785062), L. casei BDUMBT12 (MW785063), L. casei BDUMBT13 (MW785178), and Brevibacillus brevis M2403 (MK371781) from human breast milk. Their tolerance to lysozyme, acid, bile, gastric juice, pancreatic juice, and NaCl and potential for mucoadhesion, auto-aggregation, and co-aggregation with pathogens are of great prominence in forecasting their gut colonizing ability. They proved their safety aspects as they were negative for virulence determinants such as hemolysis and biofilm production. Antibiogram of LAB showed their sensitivity to more than 90% of the antibiotics tested. Amongst seven LAB, three isolates (L. brevis BDUMBT08 and BDUMBT11, and L. gatricus BDUMBT09) proved their bacteriocin producing propensity. Although the seven LAB isolates differed in their behavior, their substantial probiotic properties with safety could be taken as promising probiotics for further studies to prove their in vivo effects, such as health benefits, in humans.
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Affiliation(s)
- Senbagam Duraisamy
- Microbial Biotechnology Laboratory, Department of Marine Biotechnology, Bharathidasan University, Tiruchirappalli 620 024, India; (S.D.); (F.H.); (A.S.)
| | - Fazal Husain
- Microbial Biotechnology Laboratory, Department of Marine Biotechnology, Bharathidasan University, Tiruchirappalli 620 024, India; (S.D.); (F.H.); (A.S.)
| | | | - Aswathy Sathyan
- Microbial Biotechnology Laboratory, Department of Marine Biotechnology, Bharathidasan University, Tiruchirappalli 620 024, India; (S.D.); (F.H.); (A.S.)
| | - Prabhu Subramani
- Department of Biochemistry, Bharathidasan University, Tiruchirappalli 620 024, India; (P.S.); (P.C.)
| | - Prahalathan Chidambaram
- Department of Biochemistry, Bharathidasan University, Tiruchirappalli 620 024, India; (P.S.); (P.C.)
| | - Selvaraj Arokiyaraj
- Department of Food Science and Biotechnology, Sejong University, Gwangjin-gu, Seoul 05006, Korea;
| | - Wahidah H. Al-Qahtani
- Department of Food Science and Nutrition, College of Food & Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia;
| | | | - Anbarasu Kumarasamy
- Microbial Biotechnology Laboratory, Department of Marine Biotechnology, Bharathidasan University, Tiruchirappalli 620 024, India; (S.D.); (F.H.); (A.S.)
- Correspondence:
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10
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Asadi A, Lohrasbi V, Abdi M, Mirkalantari S, Esghaei M, Kashanian M, Oshaghi M, Talebi M. The probiotic properties and potential of vaginal Lactobacilli spp. isolated from healthy women against some vaginal pathogens. Lett Appl Microbiol 2022; 74:752-764. [DOI: 10.1111/lam.13660] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 01/21/2022] [Indexed: 11/26/2022]
Affiliation(s)
- Arezoo Asadi
- Department of Microbiology School of Medicine Iran University of Medical Sciences Tehran Iran
| | - Vahid Lohrasbi
- Department of Microbiology School of Medicine Iran University of Medical Sciences Tehran Iran
| | - Milad Abdi
- Department of Microbiology School of Medicine Iran University of Medical Sciences Tehran Iran
| | - Shiva Mirkalantari
- Department of Microbiology School of Medicine Iran University of Medical Sciences Tehran Iran
| | - Maryam Esghaei
- Department of Virology School of Medicine Iran University of Medical Sciences Tehran Iran
| | - Maryam Kashanian
- Department of Obstetrics & Gynecology Akbarabadi Teaching Hospital, Iran University of Medical Sciences Tehran Iran
| | - Mozhgan Oshaghi
- Department of Lab Sciences Faculty of Allied Medicine Iran University of Medical Sciences Tehran Iran
| | - Malihe Talebi
- Department of Microbiology School of Medicine Iran University of Medical Sciences Tehran Iran
- Microbial Biotechnology Research Centre Iran University of Medical Sciences Shahid Hemmat Highway Tehran Iran
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11
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Lee M, Song JH, Choi EJ, Yun YR, Lee KW, Chang JY. UPLC-QTOF-MS/MS and GC-MS Characterization of Phytochemicals in Vegetable Juice Fermented Using Lactic Acid Bacteria from Kimchi and Their Antioxidant Potential. Antioxidants (Basel) 2021; 10:antiox10111761. [PMID: 34829632 PMCID: PMC8614894 DOI: 10.3390/antiox10111761] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 10/30/2021] [Accepted: 11/01/2021] [Indexed: 12/22/2022] Open
Abstract
This study aims to investigate fermentative metabolites in probiotic vegetable juice from four crop varieties (Brassica oleracea var. capitata, B. oleracea var. italica, Daucus carota L., and Beta vulgaris) and their antioxidant properties. Vegetable juice was inoculated with two lactic acid bacteria (LAB) (Companilactobacillus allii WiKim39 and Lactococcus lactis WiKim0124) isolated from kimchi and their properties were evaluated using untargeted UPLC-QTOF-MS/MS and GC-MS. The samples were also evaluated for radical (DPPH• and OH•) scavenging activities, lipid peroxidation, and ferric-reducing antioxidant power. The fermented vegetable juices exhibited high antioxidant activities and increased amounts of total phenolic compounds. Fifteen compounds and thirty-two volatiles were identified using UPLC-QTOF-MS/MS and GC-MS, respectively. LAB fermentation significantly increased the contents of d-leucic acid, indole-3-lactic acid, 3-phenyllactic acid, pyroglutamic acid, γ-aminobutyric acid, and gluconic acid. These six metabolites showed a positive correlation with antioxidant properties. Thus, vegetable juices fermented with WiKim39 and WiKim0124 can be considered as novel bioactive health-promoting sources.
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Affiliation(s)
- Moeun Lee
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea; (M.L.); (J.H.S.); (E.J.C.); (Y.-R.Y.)
- Biomodulation Major, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
| | - Jung Hee Song
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea; (M.L.); (J.H.S.); (E.J.C.); (Y.-R.Y.)
| | - Eun Ji Choi
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea; (M.L.); (J.H.S.); (E.J.C.); (Y.-R.Y.)
| | - Ye-Rang Yun
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea; (M.L.); (J.H.S.); (E.J.C.); (Y.-R.Y.)
| | - Ki Won Lee
- Biomodulation Major, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
- Advanced Institutes of Convergence Technology, Seoul National University, Suwon 16229, Korea
- Correspondence: (K.W.L.); (J.Y.C.)
| | - Ji Yoon Chang
- Research and Development Division, World Institute of Kimchi, Gwangju 61755, Korea; (M.L.); (J.H.S.); (E.J.C.); (Y.-R.Y.)
- Correspondence: (K.W.L.); (J.Y.C.)
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12
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Toushik SH, Kim K, Ashrafudoulla M, Mizan MFR, Roy PK, Nahar S, Kim Y, Ha SD. Korean kimchi-derived lactic acid bacteria inhibit foodborne pathogenic biofilm growth on seafood and food processing surface materials. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.108276] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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13
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Kim KT, Kim JW, Kim SI, Kim S, Nguyen TH, Kang CH. Antioxidant and Anti-Inflammatory Effect and Probiotic Properties of Lactic Acid Bacteria Isolated from Canine and Feline Feces. Microorganisms 2021; 9:microorganisms9091971. [PMID: 34576864 PMCID: PMC8472280 DOI: 10.3390/microorganisms9091971] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/10/2021] [Accepted: 09/14/2021] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress is a phenomenon caused by an imbalance between the production of reactive oxygen species and antioxidant defenses. It plays an important role in numerous disease states, including chronic kidney disease, neurological disorders, cardiovascular diseases, diabetes, and cancer. Lactic acid bacteria (LAB) are known to have prominent antioxidant properties. Therefore, this study aimed to measure the antioxidant activity and anti-inflammatory potential of LAB isolated from animals for the efficient use of probiotics with host specificity. Antioxidant activity measurements of sixteen strains revealed that ABTS radical scavenging activities ranged from 26.3 to 57.4%, and DPPH free radical scavenging activities ranged from 4.7 to 13.5%. Based on the antioxidant activity assessment, five strains (Enterococcus faecium MG9003(YH9003), Enterococcus faecium MG9007(YH9007), Lactobacillus reuteri MG9012(YH9012), Lactobacillus fermentum MG9014(YH9014), and Pediococcus pentosaceus MG9015(YH9015)) were selected with the consideration of fermentation productivity (>1 × 109 CFU/g). The selected strains exhibited nitric oxide inhibition and inhibited inducible nitric oxide synthase and cyclooxygenase expression. Furthermore, probiotic properties, including intestinal adhesion and stability, were identified. Our results show that the selected animal-derived strains can be effective probiotic candidates for potential effects on animal hosts.
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14
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Double-Barrel Shotgun: Probiotic Lactic Acid Bacteria with Antiviral Properties Modified to Serve as Vaccines. Microorganisms 2021; 9:microorganisms9081565. [PMID: 34442644 PMCID: PMC8401918 DOI: 10.3390/microorganisms9081565] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 12/17/2022] Open
Abstract
Contrary to the general belief that the sole function of probiotics is to keep intestinal microbiota in a balanced state and stimulate the host’s immune response, several studies have shown that certain strains of lactic acid bacteria (LAB) have direct and/or indirect antiviral properties. LAB can stimulate the innate antiviral immune defence system in their host, produce antiviral peptides, and release metabolites that prevent either viral replication or adhesion to cell surfaces. The SARS-CoV (COVID-19) pandemic shifted the world’s interest towards the development of vaccines against viral infections. It is hypothesised that the adherence of SARS-CoV spike proteins to the surface of Bifidobacterium breve could elicit an immune response in its host and trigger the production of antibodies. The question now remains as to whether probiotic LAB could be genetically modified to synthesize viral antigens and serve as vaccines—this concept and the role that LAB play in viral infection are explored in this review.
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15
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Won G, Choi SI, Park N, Kim JE, Kang CH, Kim GH. In Vitro Antidiabetic, Antioxidant Activity, and Probiotic Activities of Lactiplantibacillus plantarum and Lacticaseibacillus paracasei Strains. Curr Microbiol 2021; 78:3181-3191. [PMID: 34213618 PMCID: PMC8289794 DOI: 10.1007/s00284-021-02588-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 06/22/2021] [Indexed: 12/22/2022]
Abstract
Diabetes, a chronic metabolic disorder, is characterized by persistent hyperglycemia. This study aimed to evaluate the hypoglycemic and antioxidant activities of lactic acid bacteria strains isolated from humans and food products and investigate the probiotic properties of the selected four strains. The hypoglycemic activity of the isolated strains was examined by evaluating the α-glucosidase and α-amylase inhibitory activities. The antioxidant activity was measured using the DPPH, ABTS, and FRAP assays. Four strains (Lactiplantibacillus plantarum MG4229, MG4296, MG5025, and Lacticaseibacillus paracasei MG5012) exhibited potent α-glucosidase inhibitory (>75%) and α-amylase inhibitory (>85%) activities, which were comparable to those of acarbose (>50%; 1000 μg/mL). Similarly, the radical scavenging and antioxidant activities of the four strains were comparable to those of ascorbic acid (50 μg/mL). Additionally, the probiotic properties of the four selected strains were examined based on acid and bile salt tolerance, auto-aggregation ability, and antibiotic resistance. The four strains were resistant to pH 2 (>50% of survivability) and 0.5% bile salt (>80% of survivability). Therefore, we suggest that the selected strains with hypoglycemic, antioxidant, probiotic properties can potentially prevent diabetes.
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Affiliation(s)
- GaYeong Won
- Department of Health Functional New Materials, Duksung Women's University, Seoul, 01369, Korea
| | - Soo-Im Choi
- Department of Health Functional New Materials, Duksung Women's University, Seoul, 01369, Korea
| | - NaYeong Park
- Department of Health Functional New Materials, Duksung Women's University, Seoul, 01369, Korea
| | - Ji-Eun Kim
- MEDIOGEN, Co., Ltd., Jecheon, 27159, Korea
| | | | - Gun-Hee Kim
- Department of Food and Nutrition, Duksung Women's University, Seoul, 01369, Korea.
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16
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das Neves Selis N, de Oliveira HBM, Leão HF, Dos Anjos YB, Sampaio BA, Correia TML, Almeida CF, Pena LSC, Reis MM, Brito TLS, Brito LF, Campos GB, Timenetsky J, Cruz MP, Rezende RP, Romano CC, da Costa AM, Yatsuda R, Uetanabaro APT, Marques LM. Lactiplantibacillus plantarum strains isolated from spontaneously fermented cocoa exhibit potential probiotic properties against Gardnerella vaginalis and Neisseria gonorrhoeae. BMC Microbiol 2021; 21:198. [PMID: 34187371 PMCID: PMC8243870 DOI: 10.1186/s12866-021-02264-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 06/15/2021] [Indexed: 01/24/2023] Open
Abstract
Background Probiotics are important tools in therapies against vaginal infections and can assist traditional antibiotic therapies in restoring healthy microbiota. Recent research has shown that microorganisms belonging to the genus Lactobacillus have probiotic potential. Thus, this study evaluated the potential in vitro probiotic properties of three strains of Lactiplantibacillus plantarum, isolated during the fermentation of high-quality cocoa, against Gardnerella vaginalis and Neisseria gonorrhoeae. Strains were evaluated for their physiological, safety, and antimicrobial characteristics. Results The hydrophobicity of L. plantarum strains varied from 26.67 to 91.67%, and their autoaggregation varied from 18.10 to 30.64%. The co-aggregation of L. plantarum strains with G. vaginalis ranged from 14.73 to 16.31%, and from 29.14 to 45.76% with N. gonorrhoeae. All L. plantarum strains could moderately or strongly produce biofilms. L. plantarum strains did not show haemolytic activity and were generally sensitive to the tested antimicrobials. All lactobacillus strains were tolerant to heat and pH resistance tests. All three strains of L. plantarum showed antimicrobial activity against the tested pathogens. The coincubation of L. plantarum strains with pathogens showed that the culture pH remained below 4.5 after 24 h. All cell-free culture supernatants (CFCS) demonstrated activity against the two pathogens tested, and all L. plantarum strains produced hydrogen peroxide. CFCS characterisation in conjunction with gas chromatography revealed that organic acids, especially lactic acid, were responsible for the antimicrobial activity against the pathogens evaluated. Conclusion The three strains of L. plantarum presented significant probiotic characteristics against the two pathogens of clinical importance. In vitro screening identified strong probiotic candidates for in vivo studies for the treatment of vaginal infections.
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Affiliation(s)
- Nathan das Neves Selis
- Programa de Pós-Graduação em Biologia e Biotecnologia de Microrganismos, Pavilhão Max de Menezes, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, CEP 45662-900, Ilhéus, BA, Brazil
| | - Hellen Braga Martins de Oliveira
- Programa de Pós-Graduação em Biologia e Biotecnologia de Microrganismos, Pavilhão Max de Menezes, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, CEP 45662-900, Ilhéus, BA, Brazil
| | - Hiago Ferreira Leão
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Yan Bento Dos Anjos
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Beatriz Almeida Sampaio
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Thiago Macêdo Lopes Correia
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Carolline Florentino Almeida
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Larissa Silva Carvalho Pena
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Mariane Mares Reis
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Thamara Louisy Santos Brito
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Laís Ferraz Brito
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Guilherme Barreto Campos
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Jorge Timenetsky
- Instituto de Ciências Biomédicas, Universidade de São Paulo, Avenida Professor Lineu Prestes, 2415, CEP 05508-900, São Paulo, SP, Brazil
| | - Mariluze Peixoto Cruz
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Rachel Passos Rezende
- Programa de Pós-Graduação em Biologia e Biotecnologia de Microrganismos, Pavilhão Max de Menezes, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, CEP 45662-900, Ilhéus, BA, Brazil
| | - Carla Cristina Romano
- Programa de Pós-Graduação em Biologia e Biotecnologia de Microrganismos, Pavilhão Max de Menezes, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, CEP 45662-900, Ilhéus, BA, Brazil
| | - Andréa Miura da Costa
- Programa de Pós-Graduação em Biologia e Biotecnologia de Microrganismos, Pavilhão Max de Menezes, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, CEP 45662-900, Ilhéus, BA, Brazil.,Departamento de Ciências Biológicas, Laboratório de Microbiologia da Agroindústria, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, CEP 45662-900, Ilhéus, BA, Brazil
| | - Regiane Yatsuda
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil
| | - Ana Paula Trovatti Uetanabaro
- Programa de Pós-Graduação em Biologia e Biotecnologia de Microrganismos, Pavilhão Max de Menezes, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, CEP 45662-900, Ilhéus, BA, Brazil.,Departamento de Ciências Biológicas, Laboratório de Microbiologia da Agroindústria, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, CEP 45662-900, Ilhéus, BA, Brazil
| | - Lucas Miranda Marques
- Programa de Pós-Graduação em Biologia e Biotecnologia de Microrganismos, Pavilhão Max de Menezes, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, CEP 45662-900, Ilhéus, BA, Brazil. .,Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58, CEP 45029-094, Vitória da Conquista, BA, Brazil.
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Pammi N, Bhukya KK, Lunavath RK, Bhukya B. Bioprospecting of Palmyra Palm ( Borassus flabellifer) Nectar: Unveiling the Probiotic and Therapeutic Potential of the Traditional Rural Drink. Front Microbiol 2021; 12:683996. [PMID: 34262545 PMCID: PMC8274697 DOI: 10.3389/fmicb.2021.683996] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 06/04/2021] [Indexed: 01/27/2023] Open
Abstract
The present study investigates the therapeutic and probiotic attributes of traditional Toddy Palm Nectar (TPN). Glucose was found to be the highest with 4.37 mg/ml and arabinose was the least with 2.85 mg/ml. The average ethanol concentration of fresh TPN was found to be 0.3 mg/ml. The nutritional profile of TPN revealed 18 volatile fatty acids, the major one being hexadecenoic acid (M/Z 74). Amino acid profiling showed 26 amino acids, with OH-lysine-2 the highest (12.86%). About 120 morphologically distinct lactic acid bacteria (LAB) were isolated from 26 TPN samples, based on differential growth and in vitro probiotic characteristics. After 16S rRNA sequencing, four indigenous LAB strains were identified as Lactobacillus plantarum group OUBN1, Enterococcus faecium OUBN3, Pediococcus acidilactici OUBN4, and Pediococcus pentosaceous OUBN5 and their sequences were deposited to NCBI. Microbiological safety evaluation studies showed the absence of hemolytic, gelatinolytic and proteolytic activity. The bacterial isolate OUBN3 showed a maximum survival rate of 6.91 ± 0.04 log cfu/ml at acidic pH 2.5 and isolate OUBN5 showed 6.94 ± 0.02 log cfu/ml at pH 3.0. Similarly, the isolate OUBN5 showed 7.92 ± 0.03 log cfu/ml to 0.3% ox-bile after 4 h and 8.94 ± 0.03 log cfu/ml to simulated gastric juice after 3 h of treatments. OUBN1 expressed the highest autoaggregation (81.76 ± 1.25%), cell surface hydrophobicity (79.71 ± 3.42%), and displayed the maximum coaggregation with E. coli MTCC452 (76.96%), K. pneumoniae MTCC109 (75.62%), and S. aureus MTCC902 (70.69%). All strains showed significant antibiotic and antimicrobial activity. Isolate OUBN1 displayed hydroxyl radical scavenging activity (68.71 ± 1.0%) with an IC50 value of 75.62 μg/ml and the highest anti-cancer activity (percentage inhibition of 88.55) against HT-29 cells. Based on the characteristics observed, L. plantarum group OUBN1 and P. pentosaceous OUBN5 were found to be potential isolates to employ as probiotic microbiota in food and forage preparations. These findings reinforce the fact that LAB isolated from TPN could be exploited as an alternative means toward potential therapeutic applications.
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Affiliation(s)
- Nagamani Pammi
- Centre for Microbial and Fermentation Technology, Department of Microbiology, University College of Science, Osmania University, Hyderabad, India
| | - Kiran Kumar Bhukya
- Centre for Microbial and Fermentation Technology, Department of Microbiology, University College of Science, Osmania University, Hyderabad, India
| | - Ravi Kumar Lunavath
- Centre for Microbial and Fermentation Technology, Department of Microbiology, University College of Science, Osmania University, Hyderabad, India
| | - Bhima Bhukya
- Centre for Microbial and Fermentation Technology, Department of Microbiology, University College of Science, Osmania University, Hyderabad, India
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Probiotic Potential and Wide-spectrum Antimicrobial Activity of Lactic Acid Bacteria Isolated from Infant Feces. Probiotics Antimicrob Proteins 2021; 13:90-101. [PMID: 32405962 DOI: 10.1007/s12602-020-09658-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In this study, we aimed to characterize lactic acid bacteria strains derived from infants' feces, to evaluate the probiotic potential and explore the wide-spectrum antimicrobial activity. Of 800 isolates, 20 inhibited the growth of enterotoxigenic Escherichia coli K88 and Salmonella enterica ATCC 13076. On the basis of 16S rRNA sequence analysis, the 20 isolates were assigned to Lactobacillus casei (7), Lactobacillus paracasei (2), Lactobacillus plantarum (4), Lactobacillus rhamnosus (2), Enterococcus avium (3), Enterococcus faecium (1), and Enterococcus lactis (1) species. In addition, 12 strains with high antimicrobial activity were investigated for the presence of probiotic properties such as physiological-biochemical characteristics, antimicrobial susceptibility, hemolytic activity, hydrophobicity, and aggregation activity. Wide-spectrum antimicrobial activity analysis revealed that approximately all tested strains inhibited the ten pathogens, and four strains (ZX221, ZX633, ZX3131, and ZX3875) had good probiotic properties and survived after being exposed to simulated gastrointestinal tract conditions. Moreover, we investigated the influence of pH on the wide-spectrum antimicrobial activity and found that four strains inhibited most pathogens at pH 4.5 and pH 5, whereas only ZX633 had an inhibitory effect on Bacillus subtilis ATCC 6633 and Micrococcus luteus ATCC 4698 at pH 5.5. Overall, Lact. casei ZX633 had wide-spectrum antimicrobial activity and could be considered a potential probiotic.
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19
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Hossain MI, Kim K, Rahaman Mizan MF, Toushik SH, Ashrafudoulla M, Roy PK, Nahar S, Jahid IK, Choi C, Park SH, Ha SD. Comprehensive molecular, probiotic, and quorum-sensing characterization of anti-listerial lactic acid bacteria, and application as bioprotective in a food (milk) model. J Dairy Sci 2021; 104:6516-6534. [PMID: 33741164 DOI: 10.3168/jds.2020-19034] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 12/30/2020] [Indexed: 12/13/2022]
Abstract
Listeria monocytogenes is a major foodborne pathogen that adversely affects the food industry. In this study, 6 anti-listerial lactic acid bacteria (LAB) isolates were screened. These anti-listerial LAB isolates were identified via 16S rRNA gene sequencing and analyzed via repetitive extragenic palindromic-PCR. Probiotic assessment of these isolates, comprising an evaluation of the antibiotic susceptibility, tolerance to lysozyme, simulated gastric and intestinal juices, and gut conditions (low pH, bile salts, and 0.4% phenol), was carried out. Most of the isolates were resistant to streptomycin, vancomycin, gentamycin, kanamycin, and ciprofloxacin. All of the isolates were negative for virulence genes, including agg, ccf, cylA, cylB, cylLL, cylLS, cylM, esp, and gelE, and hemolytic activity. Furthermore, autoinducer-2 (a quorum-sensing molecule) was detected and quantified via HPLC with fluorescence detection after derivatization with 2,3-diaminonaphthalene. Metabolites profiles of the Lactobacillus sakei D.7 and Lactobacillus plantarum I.60 were observed and presented various organic acids linked with antibacterial activity. Moreover, freeze-dried cell-free supernatants from Lb. sakei (55 mg/mL) and Lb. plantarum (40 mg/mL) showed different minimum effective concentration (MEC) against L. monocytogenes in the food model (whole milk). In summary, these anti-listerial LAB isolates do not pose a risk to consumer health, are eco-friendly, and may be promising candidates for future use as bioprotective cultures and new probiotics to control contamination by L. monocytogenes in the food and dairy industries.
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Affiliation(s)
- Md Iqbal Hossain
- Department of Food Science and Technology, Advanced Food Safety Research Group, Brain Korea 21 Plus, Chung-Ang University, Anseong, 17546, South Korea
| | - Kyeongjun Kim
- Department of Food Science and Technology, Advanced Food Safety Research Group, Brain Korea 21 Plus, Chung-Ang University, Anseong, 17546, South Korea
| | - Md Furkanur Rahaman Mizan
- Department of Food Science and Technology, Advanced Food Safety Research Group, Brain Korea 21 Plus, Chung-Ang University, Anseong, 17546, South Korea
| | - Sazzad Hossen Toushik
- Department of Food Science and Technology, Advanced Food Safety Research Group, Brain Korea 21 Plus, Chung-Ang University, Anseong, 17546, South Korea
| | - Md Ashrafudoulla
- Department of Food Science and Technology, Advanced Food Safety Research Group, Brain Korea 21 Plus, Chung-Ang University, Anseong, 17546, South Korea
| | - Pantu Kumar Roy
- Department of Food Science and Technology, Advanced Food Safety Research Group, Brain Korea 21 Plus, Chung-Ang University, Anseong, 17546, South Korea
| | - Shamsun Nahar
- Department of Food Science and Technology, Advanced Food Safety Research Group, Brain Korea 21 Plus, Chung-Ang University, Anseong, 17546, South Korea
| | - Iqbal Kabir Jahid
- Department of Microbiology, Jashore University of Science and Technology, Jashore-7408, Bangladesh
| | - Changsun Choi
- Department of Food and Nutrition, School of Food Science and Technology, Chung-Ang University, Anseong, 17546, South Korea
| | - Si Hong Park
- Department of Food Science and Technology, Oregon State University, Corvallis 97331
| | - Sang-Do Ha
- Department of Food Science and Technology, Advanced Food Safety Research Group, Brain Korea 21 Plus, Chung-Ang University, Anseong, 17546, South Korea.
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20
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Selection of Potential Probiotic Bacteria from Exclusively Breastfed Infant Faeces with Antagonistic Activity Against Multidrug-Resistant ESKAPE Pathogens. Probiotics Antimicrob Proteins 2020; 13:739-750. [PMID: 33190215 DOI: 10.1007/s12602-020-09724-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2020] [Indexed: 01/04/2023]
Abstract
The past decade has brought a significant rise in antimicrobial resistance, and the ESKAPE pathogens (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa and Enterobacter species) have considerably aggravated a threat to public health, causing nosocomial infections worldwide. The objective of the current study was to isolate novel probiotic strain with antimicrobial activity against multidrug-resistant ESKAPE pathogens. For this purpose, eighteen breastfed infant faeces were collected and lactic acid bacteria (LAB) with antagonistic activity were isolated. Out of 102 anaerobic LAB isolated, only nine exhibited inhibitory activity against all ESKAPE pathogens. These selected nine isolates were further characterized for their probiotic attributes such as lysozyme tolerance, simulated gastrointestinal tolerance, cellular auto-aggregation and cell surface hydrophobicity. Bile salt deconjugation and cholesterol-lowering capacity was also determined. Among all nine, isolate LBM220 was found to possess superior probiotic potential. Confirmatory identification of isolate LBM220 was done by both 16S rRNA sequence analysis and mass spectrometric analysis using MALDI-TOF. Based on BLAST result, isolate LBM220 was identified as Lactobacillus gasseri. Phylogenetic analysis of Lactobacillus gasseri LBM220 [accession number MN097539] was performed. Also, detailed safety evaluation study of Lact. gasseri LBM220 showed the presence of intrinsic antibiotic resistance and the absence of hemolytic, DNase, gelatinase and toxic mucinolytic activity. Time kill assay was also performed to confirm the strong kill effect of Lact. gasseri LBM220 on all six multidrug resistant ESKAPE pathogens. Thus, Lact. gasseri LBM220 can be utilized and explored as potential probiotic with therapeutic intervention.
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Rezaei M, Noori N, Shariatifar N, Gandomi H, Akhondzadeh Basti A, Mousavi Khaneghah A. Isolation of lactic acid probiotic strains from Iranian camel milk: Technological and antioxidant properties. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109823] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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22
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Sabbatini S, Monari C, Ballet N, Decherf AC, Bozza S, Camilloni B, Perito S, Vecchiarelli A. Anti-Biofilm Properties of Saccharomyces cerevisiae CNCM I-3856 and Lacticaseibacillus rhamnosus ATCC 53103 Probiotics against G. vaginalis. Microorganisms 2020; 8:microorganisms8091294. [PMID: 32847138 PMCID: PMC7564297 DOI: 10.3390/microorganisms8091294] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/19/2020] [Accepted: 08/20/2020] [Indexed: 12/24/2022] Open
Abstract
Bacterial vaginosis (BV) is characterized by the presence of a polymicrobial biofilm where Gardnerella vaginalis plays a key role. Previously, we demonstrated that Saccharomyces cerevisiae CNCM (French National Collection of Cultures of Microorganisms) I-3856 is helpful in resolving experimental simulated BV in mice. In this study, we analyzed its capacity to affect G. vaginalis biofilms and to potentiate the activity of standard antimicrobial agents. We also investigated the anti-biofilm activity of Lacticaseibacillus rhamnosus GG (ATCC 53103), a well-known strain for its intestinal healthy benefits. Biofilm biomass was assessed by crystal violet staining, and G. vaginalis viability was assessed by a colony forming unit (CFU) assay. Here, for the first time, we demonstrated that S. cerevisiae CNCM I-3856 as well as L. rhamnosus GG were able (i) to significantly inhibit G. vaginalis biofilm formation, (ii) to markedly reduce G. vaginalis viability among the biomass constituting the biofilm, (iii) to induce disaggregation of preformed biofilm, and (iv) to kill a consistent amount of bacterial cells in a G. vaginalis preformed biofilm. Furthermore, S. cerevisiae CNCM I-3856 strongly potentiates the metronidazole effect on G. vaginalis biofilm viability. These results suggest that S. cerevisiae CNCM I-3856 as well as L. rhamnosus GG could be potential novel therapeutic agents against bacterial vaginosis.
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Affiliation(s)
- Samuele Sabbatini
- Department of Medicine, Medical Microbiology Section, University of Perugia, Polo Unico Sant’Andrea delle Fratte, 06132, Perugia, Italy; (S.S.); (S.B.); (B.C.); (S.P.); (A.V.)
| | - Claudia Monari
- Department of Medicine, Medical Microbiology Section, University of Perugia, Polo Unico Sant’Andrea delle Fratte, 06132, Perugia, Italy; (S.S.); (S.B.); (B.C.); (S.P.); (A.V.)
- Correspondence:
| | - Nathalie Ballet
- Lesaffre International, Lesaffre Group, Rue Gabriel Péri 137, Marcq-en-Baroeul, 59700, France;
| | | | - Silvia Bozza
- Department of Medicine, Medical Microbiology Section, University of Perugia, Polo Unico Sant’Andrea delle Fratte, 06132, Perugia, Italy; (S.S.); (S.B.); (B.C.); (S.P.); (A.V.)
| | - Barbara Camilloni
- Department of Medicine, Medical Microbiology Section, University of Perugia, Polo Unico Sant’Andrea delle Fratte, 06132, Perugia, Italy; (S.S.); (S.B.); (B.C.); (S.P.); (A.V.)
| | - Stefano Perito
- Department of Medicine, Medical Microbiology Section, University of Perugia, Polo Unico Sant’Andrea delle Fratte, 06132, Perugia, Italy; (S.S.); (S.B.); (B.C.); (S.P.); (A.V.)
| | - Anna Vecchiarelli
- Department of Medicine, Medical Microbiology Section, University of Perugia, Polo Unico Sant’Andrea delle Fratte, 06132, Perugia, Italy; (S.S.); (S.B.); (B.C.); (S.P.); (A.V.)
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N'Guessan Gnaman KC, Bouttier S, Yeo A, Aka Any-Grah AAS, Geiger S, Huang N, Nicolas V, Villebrun S, Faye-Kette H, Ponchel G, Koffi AA, Agnely F. Characterization and in vitro evaluation of a vaginal gel containing Lactobacillus crispatus for the prevention of gonorrhea. Int J Pharm 2020; 588:119733. [PMID: 32768529 DOI: 10.1016/j.ijpharm.2020.119733] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/31/2020] [Accepted: 08/01/2020] [Indexed: 11/26/2022]
Abstract
The increasing resistance of Neisseria gonorrhoeae to any current antibiotic treatment and the difficulties associated with the use of prevention means such as condom urge the need for alternative methods to prevent this sexually transmitted infection. In this work, a prevention strategy based on the use of a vaginal gel containing Lactobacilli was assessed in vitro. A Lactobacillus crispatus strain (ATCC 33197) was selected based on the published data on its ability to inhibit Neisseria gonorrhoeae. Its probiotic properties were first characterized. Then, a thermo-sensitive hydrogel containing 21.5% of poloxamer 407, 1% of sodium alginate and 9log10 CFU of Lactobacillus crispatus per gel sample (5 g) was developed. The gelation temperature and the rheological characteristics of this formulation appeared suitable for a vaginal administration. Lactobacillus crispatus was viable in the gel for six months although a large amount of the bacteria was not culturable. The ability of Lactobacillus crispatus to inhibit Neisseria gonorrhoeae was still observed with the gel. Such system, thus, appeared promising for the prevention of gonorrhea.
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Affiliation(s)
- K C N'Guessan Gnaman
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France; Laboratoire de Pharmacie Galénique, Cosmétologie et Législation Pharmaceutique, UFR des Sciences Pharmaceutiques et Biologiques d'Abidjan, Université Félix Houphouet-Boigny, 01 BP V 34 Abidjan 01, Côte d'Ivoire
| | - S Bouttier
- INRAE, AgroParisTech, MIcalis Institute, Équipe Bactéries pathogènes et santé, Université Paris-Saclay, 92290 Châtenay-Malabry, France
| | - A Yeo
- Institut Pasteur, Departement de microbiologie, Unité des agents du tractus génital, Abidjan, Côte d'Ivoire
| | - A A S Aka Any-Grah
- Laboratoire de Pharmacie Galénique, Cosmétologie et Législation Pharmaceutique, UFR des Sciences Pharmaceutiques et Biologiques d'Abidjan, Université Félix Houphouet-Boigny, 01 BP V 34 Abidjan 01, Côte d'Ivoire
| | - S Geiger
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France
| | - N Huang
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France
| | - V Nicolas
- Université Paris-Saclay, SFR-UMS-IPSIT, Plateforme d'imagerie cellulaire MIPSIT, 92290 Châtenay-Malabry, France
| | - S Villebrun
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France
| | - H Faye-Kette
- Institut Pasteur, Departement de microbiologie, Unité des agents du tractus génital, Abidjan, Côte d'Ivoire
| | - G Ponchel
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France
| | - A A Koffi
- Laboratoire de Pharmacie Galénique, Cosmétologie et Législation Pharmaceutique, UFR des Sciences Pharmaceutiques et Biologiques d'Abidjan, Université Félix Houphouet-Boigny, 01 BP V 34 Abidjan 01, Côte d'Ivoire
| | - F Agnely
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France.
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24
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Onbas T, Osmanagaoglu O, Kiran F. Potential Properties of Lactobacillus plantarum F-10 as a Bio-control Strategy for Wound Infections. Probiotics Antimicrob Proteins 2020; 11:1110-1123. [PMID: 30523603 DOI: 10.1007/s12602-018-9486-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
In this study, Lactobacillus plantarum F-10, a promising probiotic strain isolated from fecal microbiota of healthy breastfed infant, was assessed as a bio-control strategy for wound infections. Pseudomonas aeruginosa PAO1/ATCC 27853, methicillin-resistant Staphylococcus aureus ATCC 43300, and their hospital-derived strains isolated from skin chronic wound samples were used as important skin pathogens. The cell-free extract (CFE) of the strain F-10 was shown to inhibit the growth of all pathogens tested, while no inhibition was observed when CFE was neutralized. The strain displayed no hemolysis and exhibited a strong auto-aggregating phenotype (51.48 ± 1.45%, 5 h) as well as co-aggregation. Antibiotic resistance profile was found to be safe according to the European Food Safety Authority. Biofilm formation was measured by crystal violet assay and visualized with scanning electron microscopy and confocal laser scanning microscopy. One hundred percent reduction in biofilm formation of all pathogens tested was obtained by sub-MIC value (12.5 mg/ml) of CFE following 24-h co-incubation. Inhibition of quorum sensing-controlled virulence factors (motility, protease and elastase activity, production of pyocyanin and rhamnolipid) of P. aeruginosa strains was also observed. DPPH radical scavenging activity of the CFE was determined as 88.57 ± 0.49%. In conclusion, our results suggest that L. plantarum F-10 may represent an alternative bio-control strategy against skin infections with its antimicrobial, anti-biofilm, anti-quorum sensing, and antioxidant activity.
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Affiliation(s)
- Tugce Onbas
- Faculty of Science, Department of Biology, Ankara University, Tandogan, 06100, Ankara, Turkey
| | - Ozlem Osmanagaoglu
- Faculty of Science, Department of Biology, Ankara University, Tandogan, 06100, Ankara, Turkey
| | - Fadime Kiran
- Faculty of Science, Department of Biology, Ankara University, Tandogan, 06100, Ankara, Turkey.
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25
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Liu YS, Liu Q, Jiang YL, Yang WT, Huang HB, Shi CW, Yang GL, Wang CF. Surface-Displayed Porcine IFN-λ3 in Lactobacillus plantarum Inhibits Porcine Enteric Coronavirus Infection of Porcine Intestinal Epithelial Cells. J Microbiol Biotechnol 2020; 30:515-525. [PMID: 31838830 PMCID: PMC9728374 DOI: 10.4014/jmb.1909.09041] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Interferon (IFN)-λ plays an essential role in mucosal cells which exhibit strong antiviral activity. Lactobacillus plantarum (L. plantarum) has substantial application potential in the food and medical industries because of its probiotic properties. Alphacoronaviruses, especially porcine epidemic diarrhea virus (PEDV) and transmissible gastroenteritis virus (TGEV), cause high morbidity and mortality in piglets resulting in economic loss. Co-infection by these two viruses is becoming increasingly frequent. Therefore, it is particularly important to develop a new drug to prevent diarrhea infected with mixed viruses in piglets. In this study, we first constructed an anchored expression vector with CWA (C-terminal cell wall anchor) on L. plantarum. Second, we constructed two recombinant L. plantarum strains that anchored IFN-λ3 via pgsA (N-terminal transmembrane anchor) and CWA. Third, we demonstrated that both recombinant strains possess strong antiviral effects against coronavirus infection in the intestinal porcine epithelial cell line J2 (IPEC-J2). However, recombinant L. plantarum with the CWA anchor exhibited a more powerful antiviral effect than recombinant L. plantarum with pgsA. Consistent with this finding, Lb.plantarum-pSIP-409-IFN-λ3-CWA enhanced the expression levels of IFN-stimulated genes (ISGs) (ISG15, OASL, and Mx1) in IPEC-J2 cells more than did recombinant Lb.plantarum-pSIP-409-pgsA'-IFN-λ3. Our study verifies that recombinant L. plantarum inhibits PEDV and TGEV infection in IPEC-J2 cells, which may offer great potential for use as a novel oral antiviral agent in therapeutic applications for combating porcine epidemic diarrhea and transmissible gastroenteritis. This study is the first to show that recombinant L. plantarum suppresses PEDV and TGEV infection of IPEC-J2 cells.
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Affiliation(s)
- Yong-Shi Liu
- College of Animal Science and Technology, Jilin Provincial Engineering Research Center of Animal Probiotics, Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, P.R. China
| | - Qiong Liu
- College of Animal Science and Technology, Jilin Provincial Engineering Research Center of Animal Probiotics, Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, P.R. China
| | - Yan-Long Jiang
- College of Food Engineering, Jilin Engineering Normal University, 3050 KaiXuan Road, Changchun, Jilin 130052, P.R. China
| | - Wen-Tao Yang
- College of Food Engineering, Jilin Engineering Normal University, 3050 KaiXuan Road, Changchun, Jilin 130052, P.R. China
| | - Hai-Bin Huang
- College of Food Engineering, Jilin Engineering Normal University, 3050 KaiXuan Road, Changchun, Jilin 130052, P.R. China
| | - Chun-Wei Shi
- College of Food Engineering, Jilin Engineering Normal University, 3050 KaiXuan Road, Changchun, Jilin 130052, P.R. China
| | - Gui-Lian Yang
- College of Animal Science and Technology, Jilin Provincial Engineering Research Center of Animal Probiotics, Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, P.R. China,Corresponding authors C.F.W. Phone/Fax: +86-43184533425 E-mail: G.L.Y. E-mail:
| | - Chun-Feng Wang
- College of Food Engineering, Jilin Engineering Normal University, 3050 KaiXuan Road, Changchun, Jilin 130052, P.R. China,Corresponding authors C.F.W. Phone/Fax: +86-43184533425 E-mail: G.L.Y. E-mail:
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26
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Yin H, Chen C, Boomer A, Byun S, Venkitanarayanan K, Macarisin D, Patel J. Biocontrol of
Listeria
on cantaloupes with lactic acid bacteria. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14465] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Hsin‐Bai Yin
- Environmental Microbial and Food Safety Laboratory Agricultural Research Service United States Department of Agriculture Beltsville MD USA
| | - Chi‐Hung Chen
- Environmental Microbial and Food Safety Laboratory Agricultural Research Service United States Department of Agriculture Beltsville MD USA
| | - Ashley Boomer
- Environmental Microbial and Food Safety Laboratory Agricultural Research Service United States Department of Agriculture Beltsville MD USA
| | - Suyeun Byun
- Environmental Microbial and Food Safety Laboratory Agricultural Research Service United States Department of Agriculture Beltsville MD USA
| | | | - Dumitru Macarisin
- Office of Regulatory Science Center for Food Safety and Applied Nutrition Food and Drug Administration College Park MD USA
| | - Jitendra Patel
- Environmental Microbial and Food Safety Laboratory Agricultural Research Service United States Department of Agriculture Beltsville MD USA
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27
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Xu T, Chen Y, Yu L, Wang J, Huang M, Zhu N. Effects of Lactobacillus plantarum on intestinal integrity and immune responses of egg-laying chickens infected with Clostridium perfringens under the free-range or the specific pathogen free environment. BMC Vet Res 2020; 16:47. [PMID: 32028947 PMCID: PMC7006139 DOI: 10.1186/s12917-020-2264-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 01/24/2020] [Indexed: 12/28/2022] Open
Abstract
Background Necrotic enteritis, which is caused by Clostridium perfringens, has resulted in more than $2 billion losses in the poultry industry every year. Due to the ban of antibiotics in feed industry, alternatives like environment improvement and probiotics have been found to be effective as well. In our study, we aim to explore the protective effect of Lactobacillus plantarum supplementation on CP infected chickens in two environments. Results The results showed that the Clostridium perfringens administration led to visible and histomorphological gut lesions. In the specific pathogen free or free-range system environment, dietary supplementation with LP obvious increased the ratio of intestinal villus height to crypt depth and the expression of MUC2 mRNA in ileum mucosa, then reduced the mRNA expression level of TNF-α gene in the ileum mucosa. LP treatment significantly reduced the contents of total protein, total superoxide dismutase and glutamic oxaloacetic transaminase in serum of the chickens. Conclusions The specific pathogen free environment contributed to the recovery of pre-inflammation of the chickens, and free-range system environment contributed to the repair of damage in the later stages of chicken inflammation. Supplementation of LP in FRS environment was more conducive to the recovery of CP infected in chickens.
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Affiliation(s)
- Tianyue Xu
- Present address: Jiangxi Province Key Laboratory of Animal Nutrition, College of animal science and technology, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, People's Republic of China
| | - Yan Chen
- Present address: Jiangxi Province Key Laboratory of Animal Nutrition, College of animal science and technology, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, People's Republic of China
| | - Longfei Yu
- Present address: Jiangxi Province Key Laboratory of Animal Nutrition, College of animal science and technology, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, People's Republic of China
| | - Jun Wang
- Present address: Jiangxi Province Key Laboratory of Animal Nutrition, College of animal science and technology, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, People's Republic of China
| | - Mingxing Huang
- Present address: Jiangxi Province Key Laboratory of Animal Nutrition, College of animal science and technology, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, People's Republic of China
| | - Nianhua Zhu
- Present address: Jiangxi Province Key Laboratory of Animal Nutrition, College of animal science and technology, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, People's Republic of China.
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28
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Reuben RC, Roy PC, Sarkar SL, Rubayet Ul Alam ASM, Jahid IK. Characterization and evaluation of lactic acid bacteria from indigenous raw milk for potential probiotic properties. J Dairy Sci 2019; 103:1223-1237. [PMID: 31759592 DOI: 10.3168/jds.2019-17092] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 10/11/2019] [Indexed: 12/28/2022]
Abstract
Raw milk contains wide microbial diversity, composed mainly of lactic acid bacteria (LAB), which are used as probiotics in both human and animal husbandry. We isolated, characterized, and evaluated LAB from indigenous Bangladeshi raw milk to assess probiotic potential, including antagonistic activity (against Escherichia coli O157: H7, Enterococcus faecalis, Salmonella Typhimurium, Salmonella Enteritidis, and Listeria monocytogenes), survivability in simulated gastric juice, tolerance to phenol and bile salts, adhesion to ileum epithelial cells, auto- and co-aggregation, hydrophobicity, α-glucosidase inhibitory activity, and antibiotic susceptibility tests. The 4 most promising LAB strains showed probiotic potential and were identified as Lactobacillus casei, Lactobacillus plantarum (which produced plantaricin EF), Lactobacillus fermentum, and Lactobacillus paracasei. These strains inhibited all pathogens tested at various degrees, and competitively excluded pathogens with viable counts of 3.0 to 6.0 log cfu/mL. Bacteriocin, organic acids, and low-molecular-weight substances were mainly responsible for antimicrobial activity by the LAB strains. All 4 LAB strains were resistant to oxacillin and 3 were resistant to vancomycin and streptomycin, with multiple antibiotic resistance indices >0.2. After further in vivo evaluation, these LAB strains could be considered probiotic candidates with application in the food industry.
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Affiliation(s)
- R C Reuben
- Department of Microbiology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore-7408, Bangladesh; Department of Science Laboratory Technology, Nasarawa State Polytechnic, PMB 109 Lafia, Nigeria
| | - P C Roy
- Department of Microbiology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore-7408, Bangladesh
| | - S L Sarkar
- Department of Microbiology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore-7408, Bangladesh
| | - A S M Rubayet Ul Alam
- Department of Microbiology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore-7408, Bangladesh
| | - I K Jahid
- Department of Microbiology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore-7408, Bangladesh.
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29
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Antifungal and Antivirulence Activity of Vaginal Lactobacillus Spp. Products against Candida Vaginal Isolates. Pathogens 2019; 8:pathogens8030150. [PMID: 31547398 PMCID: PMC6789721 DOI: 10.3390/pathogens8030150] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 09/05/2019] [Accepted: 09/07/2019] [Indexed: 11/17/2022] Open
Abstract
Candida yeasts are generally found in the vaginal microbiota; however, disruption of the balance maintained by host factors and microorganisms results in vulvovaginal candidiasis (VVC). This study evaluated the antagonistic activity of vaginal Lactobacillus spp. on Candida albicans to verify whether active compounds of Lactobacillus spp. had antifungal and antivirulence activity. The antagonism assay showed that 15 out of 20 Lactobacillus strains had an inhibitory effect on C. albicans. Biosurfactants displayed surface-tension-reducing activity, with the best value obtained for Lactobacillus gasseri 1. Lactobacillus rhamnosus ATCC 9595, Lactobacillus acidophilus ATCC 4356, and Lactobacillus paracasei 11 produced biosurfactants that decreased C. albicans adhesion and disrupted biofilm formation. The best results were obtained in the pre-incubation assay for L. gasseri 1 and L. paracasei 11. Overall, Lactobacillus strains showed significant anti-Candida activity, and their biosurfactants exhibited considerable anti-adhesion and antibiofilm activity against C. albicans. To be considered safe for use in vivo, the safety of biosurfactant (BS) should be investigated using cytotoxicity assays.
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30
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Ouarabi L, Chait YA, Seddik HA, Drider D, Bendali F. Newly Isolated Lactobacilli strains from Algerian Human Vaginal Microbiota: Lactobacillus fermentum Strains Relevant Probiotic's Candidates. Probiotics Antimicrob Proteins 2019; 11:43-54. [PMID: 29185234 DOI: 10.1007/s12602-017-9360-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Lactobacilli strains are considered as a preventive means for treatment of vaginal infections or post-antibiotic treatment to repopulate the vaginal mucosa. This study aimed at establishing the vaginal lactobacillus profile of Algerian women with different vaginal diseases. Afterwards, lactobacilli isolated from swabs were in vitro characterized for their probiotic hallmarks. This prospective study allowed isolation of 44 Lactobacillus strains and 160 potentially pathogens, among which are Escherichia coli (50 isolates), Staphylococcus sp. (38 isolates), Enterococcus sp. (16 isolates), and Candida sp. (56 isolates). All Lactobacilli strains were characterized for their antagonism, adhesion to polystyrene, and resistance to acidity and bile. Consequently, six Lactobacillus strains (Lb. fermentum 5LB4, 5LB10, 5LB12, Lb. plantarum 5LB2, 5LB11, and Lactobacillus sp. 4LB9) were moderately or weakly adherent, and 35 potentially pathogens exhibited weak to strong adhesion to polystyrene. Antagonism was recorded for 36 Lactobacillus strains towards E. coli 6E2, S. aureus 7S3, Enterococcus sp. 5EN8, and Candida albicans C1 used as indicator organisms. Finally, Lb. fermentum 9LB6, 4LB16, and 10LB1 and Lb. plantarum 9LB4 were remarkable for their inhibitory activity, absence of hemolytic potential, and for their resistance to acidity (pH 1.5) and bile (0.5%) harsh conditions.
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Affiliation(s)
- Liza Ouarabi
- Laboratoire de Microbiologie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000, Bejaia, Algeria
| | - Yasmina Ait Chait
- Laboratoire de Microbiologie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000, Bejaia, Algeria
| | - Hamza Ait Seddik
- Laboratoire de Microbiologie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000, Bejaia, Algeria.,Université de Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, F-59000, Lille, France
| | - Djamel Drider
- Université de Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, F-59000, Lille, France
| | - Farida Bendali
- Laboratoire de Microbiologie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000, Bejaia, Algeria.
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31
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Xu Y, Tian Y, Cao Y, Li J, Guo H, Su Y, Tian Y, Wang C, Wang T, Zhang L. Probiotic Properties of Lactobacillus paracasei subsp. paracasei L1 and Its Growth Performance-Promotion in Chicken by Improving the Intestinal Microflora. Front Physiol 2019; 10:937. [PMID: 31404251 PMCID: PMC6670285 DOI: 10.3389/fphys.2019.00937] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 07/09/2019] [Indexed: 12/12/2022] Open
Abstract
Lactobacillus paracasei subsp. paracasei L1 was previously isolated from sweet potato sour liquid. This bacterial species specifically binds onto starch granular surfaces, triggering the enzymatic hydrolysis of raw starch. We investigated the functional and safety properties of strain L1 in vitro to establish its probiotic potential, and analyzed its effect on growth performance and intestinal microflora of chicken in feeding experiments. The optimal growth conditions of strain L1 included low pH and high concentrations of bile salts and NaCl. Its 1-, 2-, and 24-h autoaggregation values were 15.8 ± 1.2%, 20.4 ± 2.3%, and 47.2 ± 0.8%, respectively, with the surface hydrophobicity value at 560 nm of 38.1 ± 2.7%. Further, its adhesion rate to Caco-2 cells was 22.37 ± 1.44%. Strain L1 was resistant to erythromycin and azithromycin, but sensitive to other antibiotics tested. For the feeding experiments, 240 chickens with similar weights were randomly divided into a control (C) group and strain L1 (L) group and fed for 8 weeks. Strain L1 promoted the weight gain of chickens in L group. A significant increase in the population size of the two phyla and 23 genera in the small intestine was observed in the presence of strain L1 (P < 0.05), with 0 phyla and 4 genera showing significant increase in the cecum (P < 0.05). In the small intestine, the abundance of six functional genes at Kyoto Encyclopedia of Genes and Genomes (KEGG) level 2 and 49 genes at KEGG level 3 was significantly increased in group L (P < 0.05), with lesser changes noted in the cecum. An increase in the metabolic pathway functions, including enzyme families and the digestive system, was observed in the intestinal microbiota in the L group compared to the C group. However, the other metabolic pathway functions, including metabolism of fatty acid biosynthesis, as well as metabolism of glycerolipids and propanoate, increased in the cecal microbiota of the L group relative to the C group. These changes are most likely related to the changes in the gut microbiota composition. Collectively, strain L1 supplementation may promote growth performance and improve the intestinal microflora in chicken although further studies are needed to confirm this.
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Affiliation(s)
- Yunhe Xu
- Department of Food Science and Engineering, Jinzhou Medical University, Jinzhou, China
| | - Yuan Tian
- Department of Food Science and Engineering, Jinzhou Medical University, Jinzhou, China
| | - Yunfang Cao
- Tianwang Animal Health Supervision Institute, Jinzhou Economic and Technological Development Zone, Jinzhou, China
| | - Jianguo Li
- Department of Food Science and Engineering, Jinzhou Medical University, Jinzhou, China
| | - Haonan Guo
- Department of Food Science and Engineering, Jinzhou Medical University, Jinzhou, China
| | - Yuhong Su
- Department of Food Science and Engineering, Jinzhou Medical University, Jinzhou, China
| | - Yumin Tian
- Department of Food Science and Engineering, Jinzhou Medical University, Jinzhou, China
| | - Cheng Wang
- Department of Food Science and Engineering, Jinzhou Medical University, Jinzhou, China
| | - Tianqi Wang
- Department of Food Science and Engineering, Jinzhou Medical University, Jinzhou, China
| | - Lili Zhang
- Department of Food Science and Engineering, Jinzhou Medical University, Jinzhou, China
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Belguesmia Y, Alard J, Mendil R, Ravallec R, Grangette C, Drider D, Cudennec B. In vitro probiotic properties of selected lactobacilli and multi-strain consortium on immune function, gut barrier strengthening and gut hormone secretion. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.04.028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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Assessment of the Antimicrobial Potentiality and Functionality of Lactobacillus plantarum Strains Isolated from the Conventional Inner Mongolian Fermented Cheese Against Foodborne Pathogens. Pathogens 2019; 8:pathogens8020071. [PMID: 31117307 PMCID: PMC6631976 DOI: 10.3390/pathogens8020071] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 05/07/2019] [Accepted: 05/13/2019] [Indexed: 12/23/2022] Open
Abstract
Lactobacillus plantarum are amongst the diversified lactic acid bacteria (LAB) species which are being utilized abundantly in the food industry. Numerous L. plantarum strains have been reported to produce several antimicrobial compounds. Diacetyl, hydrogen peroxide, organic acids, as well as bacteriocins can also be exemplified by a variable spectrum of actions. The current study was intended to conduct the screening and characterization of antimicrobial prospective of L. plantarum from traditional Inner Mongolian fermented hard cheese. Foodborne pathogens, Salmonella typhimurium, Escherichia coli O157:H7, Listeria monocytogenes, and Staphylococcus aureus, were examined by using the Oxford cup technique and the mixed culture inhibition assays. The resulting analyses disclosed that L. plantarum KLDS1.0344 indicated broad antimicrobial spectrum against all selected pathogens as compared to other LAB used in this study. Additionally, the decrement of the pathogen population was observed up to 3.47 logs in mixed culture inhibition assays. L. plantarum KLDS 1.0344 acid production was recorded up to 71.8 ± 3.59 °D in mixed culture while antimicrobial particles released in cell free supernatants demonstrated bacteriocin-like characteristics showing substantial pH stability (2.0–6.0), proteolytic enzyme reduced the antibacterial activity (15.2 ± 0.6 mm–20.4 ± 0.8 mm), heat stability (20 min at 120 °C) against selected pathogens. Moreover, the spectrum range of antimicrobial peptides after the partial purification was decreased as compared to the crude bacteriocin-like compound. The SDS-PAGE analysis showed the molecular weight range of partially purified bacteriocin from 12 to 45 kDa. After analyzing the obtained data from the current experimentation showed that the capability of L. plantarum KLDS 1.0344 to oppose the pathogen growth in vitro relies on the occurrence of organic acids along with bacteriocin-like compounds proving L. plantarum KLDS 1.0344 as a potentially appropriate candidate as an alternative bio-control agent against foodborne pathogens.
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Pino A, Bartolo E, Caggia C, Cianci A, Randazzo CL. Detection of vaginal lactobacilli as probiotic candidates. Sci Rep 2019; 9:3355. [PMID: 30833631 PMCID: PMC6399336 DOI: 10.1038/s41598-019-40304-3] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 02/08/2019] [Indexed: 11/18/2022] Open
Abstract
The vaginal microbiota of healthy women is dominated by lactobacilli, which exerts important health-promoting effects to the host. In the present study, 261 lactobacilli isolated from vagina of healthy women were screened for their potential probiotic characteristics. Safety features (haemolytic activity, antibiotic susceptibility, bile salt hydrolase activity) and functional properties (resistance to low pH and bile salts, lysozyme tolerance, gastrointestinal survival, antagonistic activity against pathogens, hydrophobicity, auto-aggregation, and co-aggregation abilities, hydrogen peroxide production, biofilm formation, exopolysaccharide production, adhesion capacity to both normal human vagina epithelial cells and Caco-2 epithelial cells, and lactic acid production) were in depth evaluated. Seven strains, identified as Lactobacillus rhamnosus, Lactobacillus helveticus and Lactobacillus salivarius fulfilled the criteria described above. Therefore, the vaginal ecosystem represents a suitable source of probiotic candidates that could be used in new functional formulates for both gastrointestinal and vaginal eubiosis.
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Affiliation(s)
- Alessandra Pino
- Department of Agricultural, Food and Environment, University of Catania, Catania, Italy
| | - Emanuela Bartolo
- Department of General Surgery and Medical Surgical Specialties, Gynecological Clinic, University of Catania, Policlinico Universitario, Catania, Italy
| | - Cinzia Caggia
- Department of Agricultural, Food and Environment, University of Catania, Catania, Italy
| | - Antonio Cianci
- Department of General Surgery and Medical Surgical Specialties, Gynecological Clinic, University of Catania, Policlinico Universitario, Catania, Italy
| | - Cinzia L Randazzo
- Department of Agricultural, Food and Environment, University of Catania, Catania, Italy.
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Evaluation of probiotic Lactobacillus plantarum against foodborne pathogens and its fermentation potential in improving Lolium multiflorum silage quality. 3 Biotech 2018; 8:443. [PMID: 30333945 DOI: 10.1007/s13205-018-1449-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 09/24/2018] [Indexed: 12/19/2022] Open
Abstract
The objective of this study was to isolate the lactic acid bacteria from fermented silage sample and analyze their antibacterial activities, probiotic properties, and fermentation potential in silage. Eleven lactic acid bacteria (LAB) were selected based on distinct morphologies and preliminary studies. Cell-free supernatant (CFS) was then prepared from the selected strains for antibacterial analysis. L-30 strain and its CFS showed highest inhibition (> 10 mm) against tested foodborne pathogens as compared to other strains. Hereafter, the strain L-30 was named as KCC-30 and used for further studies. KCC-30 can survive in the harsh conditions of GIT such as low pH ( 2) and bile salt environment (oxgal) than standard L. plantarum KACC-91016 (pH 2: 27.2% vs 20.5%; oxgal: 72.3% vs 57.7%, both p < 0.05). In addition, KCC-30 exhibited strong auto-aggregation (68.3% vs 51.5%) and co-aggregation (33% vs 23.9%) properties. For silage experiment, KCC-30 treatment did not alter the nutrient profiles of silage. At the same time, KCC-30 treatment increased the lactic acid content of silage as compared to untreated silage (5.55 DM% vs 3.11 DM%). An increase of lactic acid content in the silage is due to higher lactic acid bacteria population in KCC-30 treated silage (15.33 × 107 CFU/g vs 7.66 × 107 CFU/g) than untreated silage (p < 0.05). Overall data suggested that KCC-30 exhibited strong probiotic potential and improved the quality of Lolium multiflorum silage by increasing the lactic acid level. Therefore, KCC-30 could be considered as potential strain to improve the fermentation quality of L. multiflorum silage.
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Melgaço ACC, Blohem Pessoa WF, Freire HP, Evangelista de Almeida M, Santos Barbosa M, Passos Rezende R, Timenetsky J, Miranda Marques L, Romano CC. Potential of Maintaining a Healthy Vaginal Environment by Two Lactobacillus Strains Isolated from Cocoa Fermentation. BIOMED RESEARCH INTERNATIONAL 2018; 2018:7571954. [PMID: 30364031 PMCID: PMC6186379 DOI: 10.1155/2018/7571954] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 08/28/2018] [Accepted: 09/12/2018] [Indexed: 11/25/2022]
Abstract
Bacteria in the genera Mycoplasma and Ureaplasma do not have cell walls and therefore interact with host cells through lipid-associated membrane proteins (LAMP). These lipoproteins are important for both surface adhesion and modulation of host immune responses. Mycoplasma and Ureaplasma have been implicated in cases of bacterial vaginosis (BV), which can cause infertility, abortion, and premature delivery. In contrast, bacteria of the genus Lactobacillus, which are present in the vaginal microbiota of healthy women, are thought to inhibit local colonization by pathogenic microorganisms. The aim of the present study was to evaluate the in vitro interactions between lipoproteins of Mycoplasma and Ureaplasma species and vaginal lineage (HMVII) cells and to study the effect of Lactobacillus isolates from cocoa fermentation on these interactions. The tested Lactobacillus strains showed some important probiotic characteristics, with autoaggregation percentages of 28.55% and 31.82% for L. fermentum FA4 and L. plantarum PA3 strains, respectively, and percent adhesion values of 31.66 and 41.65%, respectively. The two strains were hydrophobic, with moderate to high hydrophobicity values, 65.33% and 71.12% for L. fermentum FA4 and L. plantarum PA3 in toluene. Both strains secreted acids into the culture medium with pH=4.32 and pH=4.33, respectively, and showed antibiotics susceptibility profiles similar to those of other lactobacilli. The strains were also able to inhibit the death of vaginal epithelial cells after incubation with U. parvum LAMP from 41.03% to 2.43% (L. fermentum FA4) and 0.43% (L. plantarum PA3) and also managed to significantly decrease the rate of cell death caused by the interaction with LAMP of M. hominis from 34.29% to 14.06% (L. fermentum FA4) and 14.61% (L. plantarum PA3), thus demonstrating their potential for maintaining a healthy vaginal environment.
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Affiliation(s)
- Ana Clara Correia Melgaço
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz (UESC), Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, 45662-900 Ilhéus, BA, Brazil
| | - Wallace Felipe Blohem Pessoa
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz (UESC), Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, 45662-900 Ilhéus, BA, Brazil
| | - Herbert Pina Freire
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz (UESC), Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, 45662-900 Ilhéus, BA, Brazil
| | - Milena Evangelista de Almeida
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz (UESC), Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, 45662-900 Ilhéus, BA, Brazil
| | - Maysa Santos Barbosa
- Instituto de Ciências Biomédicas, Departamento de Microbiologia, Laboratório de Micoplasmas, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Rachel Passos Rezende
- Departamento de Ciências Biológicas, Laboratório de Biotecnologia Microbiana, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz (UESC), Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, 45662-900 Ilhéus, BA, Brazil
| | - Jorge Timenetsky
- Instituto de Ciências Biomédicas, Departamento de Microbiologia, Laboratório de Micoplasmas, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Lucas Miranda Marques
- Instituto de Ciências Biomédicas, Departamento de Microbiologia, Laboratório de Micoplasmas, Universidade de São Paulo (USP), São Paulo, Brazil
- Instituto Multidisciplinar em Saúde/Campus Anísio Teixeira, Universidade Federal da Bahia, IMS/CAT-UFBA, Vitória da Conquista, Brazil
| | - Carla Cristina Romano
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz (UESC), Campus Soane Nazaré de Andrade, Salobrinho, Rodovia Jorge Amado, Km 16, 45662-900 Ilhéus, BA, Brazil
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Choi AR, Patra JK, Kim WJ, Kang SS. Antagonistic Activities and Probiotic Potential of Lactic Acid Bacteria Derived From a Plant-Based Fermented Food. Front Microbiol 2018; 9:1963. [PMID: 30197633 PMCID: PMC6117381 DOI: 10.3389/fmicb.2018.01963] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Accepted: 08/02/2018] [Indexed: 12/20/2022] Open
Abstract
In this study, antagonistic activities and probiotic potential of lactic acid bacteria (LAB) derived from a plant-based fermented food, kimchi, were demonstrated. The cell free supernatants (CFS) from Lactobacillus curvatus KCCM 43119, Leuconostoc mesenteroides KCCM 43060, Weissella cibaria KCTC 3746, and W. koreensis KCCM 41517 completely inhibited the growth of foodborne pathogenic bacteria, while neutralized CFS (pH 6.5) partially inhibited the growth. The competition, exclusion, and displacement of foodborne pathogenic bacteria by the LAB strains from adhesion to HT-29 cells were investigated. The LAB strains were able to compete with, exclude, and displace the foodborne pathogenic bacteria. However, the degree of inhibition due to the adhesion was found to be a LAB strain-dependent phenomenon. The LAB strains showed high coaggregation with foodborne pathogenic bacteria, and they also exhibited high resistance to acidic condition. Except W. cibaria KCTC 3746, all LAB strains were capable of surviving in the presence of bile salts. Furthermore, while all LAB strains were resistant to chloramphenicol, kanamycin, streptomycin, gentamicin, and erythromycin, only W. cibaria KCTC 3746 and W. koreensis KCCM 41517 displayed resistance to vancomycin. These results suggest that the LAB strains derived from kimchi exerted antagonistic activities against foodborne pathogenic bacteria with probiotic potential.
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Affiliation(s)
- Ah-Rang Choi
- Department of Food Science and Biotechnology, College of Life Science and Biotechnology, Dongguk University-Seoul, Goyang, South Korea
| | - Jayanta Kumar Patra
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Goyang, South Korea
| | - Wang June Kim
- Department of Food Science and Biotechnology, College of Life Science and Biotechnology, Dongguk University-Seoul, Goyang, South Korea
| | - Seok-Seong Kang
- Department of Food Science and Biotechnology, College of Life Science and Biotechnology, Dongguk University-Seoul, Goyang, South Korea
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38
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Zaylaa M, Al Kassaa I, Alard J, Peucelle V, Boutillier D, Desramaut J, Dabboussi F, Pot B, Grangette C. Probiotics in IBD: Combining in vitro and in vivo models for selecting strains with both anti-inflammatory potential as well as a capacity to restore the gut epithelial barrier. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.05.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Arena MP, Elmastour F, Sane F, Drider D, Fiocco D, Spano G, Hober D. Inhibition of coxsackievirus B4 by Lactobacillus plantarum. Microbiol Res 2018; 210:59-64. [DOI: 10.1016/j.micres.2018.03.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 03/05/2018] [Accepted: 03/17/2018] [Indexed: 01/14/2023]
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40
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Isolation and characterization of gluten-degrading Enterococcus mundtii and Wickerhamomyces anomalus, potential probiotic strains from indigenously fermented sourdough (Khamir). Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.01.023] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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41
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Administration of Lactobacillus plantarum Lp62 to dam rats at the end of delivery and during lactation affects TGF-β1 level and nutritional milk composition, and body weight of pups. Eur J Nutr 2018; 58:1137-1146. [DOI: 10.1007/s00394-018-1628-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 01/29/2018] [Indexed: 12/23/2022]
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42
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Jung YJ, Lee YT, Ngo VL, Cho YH, Ko EJ, Hong SM, Kim KH, Jang JH, Oh JS, Park MK, Kim CH, Sun J, Kang SM. Heat-killed Lactobacillus casei confers broad protection against influenza A virus primary infection and develops heterosubtypic immunity against future secondary infection. Sci Rep 2017; 7:17360. [PMID: 29234060 PMCID: PMC5727132 DOI: 10.1038/s41598-017-17487-8] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 11/23/2017] [Indexed: 02/08/2023] Open
Abstract
Lactic acid bacteria (LAB) are the common probiotics. Here, we investigated the antiviral protective effects of heat-killed LAB strain Lactobacillus casei DK128 (DK128) on influenza viruses. Intranasal treatment of mice with DK128 conferred protection against different subtypes of influenza viruses by lessening weight loss and lowering viral loads. Protection via heat-killed DK128 was correlated with an increase in alveolar macrophage cells in the lungs and airways, early induction of virus specific antibodies, reduced levels of pro-inflammatory cytokines and innate immune cells. Importantly, the mice that were protected against primary viral infection as a result of heat-killed DK128 pretreatment developed subsequent heterosubtypic immunity against secondary virus infection. For protection against influenza virus via heat-killed DK128 pretreatment, B cells and partially CD4 T cells but not CD8 T cells were required as inferred from studies using knockout mouse models. Our study provides insight into how hosts can be equipped with innate and adaptive immunity via heat-killed DK128 treatment to protect against influenza virus, supporting that heat-killed LAB may be developed as anti-virus probiotics.
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Affiliation(s)
- Yu-Jin Jung
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, Georgia, 30303, USA
| | - Young-Tae Lee
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, Georgia, 30303, USA
| | - Vu Le Ngo
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, Georgia, 30303, USA
| | - Young-Hee Cho
- Department of Animal Resource Science, Dankook University, 119, Dandae-ro, Dongnam-gu, Cheonan-si, Chungnam, 330-714, Korea
| | - Eun-Ju Ko
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, Georgia, 30303, USA
| | - Sung-Moon Hong
- Department of Animal Resource Science, Dankook University, 119, Dandae-ro, Dongnam-gu, Cheonan-si, Chungnam, 330-714, Korea
| | - Ki-Hye Kim
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, Georgia, 30303, USA
| | - Ji-Hun Jang
- Tobico Inc. Chungnam Techno Park, Jiksan-Eup, Seobuk-Gu, Cheonan-Si, Chungnam, 331-858, Korea
| | - Joon-Suk Oh
- Tobico Inc. Chungnam Techno Park, Jiksan-Eup, Seobuk-Gu, Cheonan-Si, Chungnam, 331-858, Korea
| | - Min-Kyung Park
- Department of Human Nutrition and Food Science, Chungwoon University, Namjang-Ri, Hongsung-Eup, Hongsung-Kun, Chungnam, 350-701, Korea
| | - Cheol-Hyun Kim
- Department of Animal Resource Science, Dankook University, 119, Dandae-ro, Dongnam-gu, Cheonan-si, Chungnam, 330-714, Korea
| | - Jun Sun
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, Chicago, USA
| | - Sang-Moo Kang
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, Georgia, 30303, USA.
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Rokana N, Mallappa RH, Batish VK, Grover S. Interaction between putative probiotic Lactobacillus strains of Indian gut origin and Salmonella: Impact on intestinal barrier function. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2016.08.021] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Grau T, Vilcinskas A, Joop G. Probiotic Enterococcus mundtii Isolate Protects the Model Insect Tribolium castaneum against Bacillus thuringiensis. Front Microbiol 2017; 8:1261. [PMID: 28736550 PMCID: PMC5500611 DOI: 10.3389/fmicb.2017.01261] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 06/23/2017] [Indexed: 12/30/2022] Open
Abstract
Enterococcus mundtii strains isolated from the larval feces of the Mediterranean flour moth Ephestia kuehniella show antimicrobial activity against a broad spectrum of Gram-positive and Gram-negative bacteria. The in vitro probiotic characterization of one isolate revealed a high auto-aggregation score, a hydrophilic cell surface, tolerance for low pH, no hemolytic activity, and susceptibility to all tested antibiotics. We used the red flour beetle Tribolium castaneum, an established model organism, for the in vivo characterization of one probiotic E. mundtii isolate from E. kuehniella larvae. Tribolium castaneum larvae were fed orally with the probiotic isolate or the corresponding supernatant and then infected with either the entomopathogen Bacillus thuringiensis or Pseudomonas entomophila. Larvae exposed to the isolate or the supernatant showed increased survival following infection with B. thuringiensis but not P. entomophila. Heat treatment or treatment with proteinase K reduced the probiotic effect of the supernatant. However, the increased resistance attracts a fitness penalty manifested as a shorter lifespan and reduced fertility. T. castaneum has, pending on further research, the potential as an alternative model for the pre-screening of probiotics.
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Affiliation(s)
- Thorben Grau
- Institute for Insect Biotechnology, Justus-Liebig-University GiessenGiessen, Germany
| | - Andreas Vilcinskas
- Institute for Insect Biotechnology, Justus-Liebig-University GiessenGiessen, Germany
- Department of Bioresources, Fraunhofer Institute for Molecular Biology and Applied EcologyGiessen, Germany
| | - Gerrit Joop
- Institute for Insect Biotechnology, Justus-Liebig-University GiessenGiessen, Germany
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Wang S, Wang Q, Yang E, Yan L, Li T, Zhuang H. Antimicrobial Compounds Produced by Vaginal Lactobacillus crispatus Are Able to Strongly Inhibit Candida albicans Growth, Hyphal Formation and Regulate Virulence-related Gene Expressions. Front Microbiol 2017; 8:564. [PMID: 28421058 PMCID: PMC5378977 DOI: 10.3389/fmicb.2017.00564] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 03/20/2017] [Indexed: 01/09/2023] Open
Abstract
The female vaginal environment contains diverse microorganisms, and their interactions play significant roles in health and disease. Lactobacillus species are the predominant vaginal microorganisms in healthy women and relevant as a barrier to defense against pathogens, including Candida albicans. The yeast-to-hyphae transition is believed to be a determinant of C. albicans pathogenesis. In this study, we investigated the effects of vaginal isolates of L. crispatus (seven strains), L. gasseri (six strains), and L. jensenii (five strains) on growth, hyphal formation and virulence-related genes expression of C. albicans ATCC 10231. We found that the L. crispatus showed the most significant antimicrobial activities in microplate-based liquid medium assay (P < 0.05). All seven cell-free supernatants (CFS) from L. crispatus strains reduced the growth of C. albicans by >60%. The effects might be due to their productions of some secretory antimicrobial compounds in addition to H2O2 and organic acids. Furthermore, each of the CFS of Lactobacillus strains was found to significantly suppress the yeast-to-hyphae transition of C. albicans under hyphae-inducing conditions (RPMI 1640 medium supplemented with 10% fetal bovine serum). The hyphae inhibition rates of C. albicans treated by CFS from L. crispatus, L. gasseri, and L. jensenii were 88.3 ± 3.02%, 84.9 ± 6.0%, and 81.9 ± 6.2%, respectively. Moreover, the expression of hyphae-specific genes (ALS3, HWP1, ECE1, EAP1, and SAP5) and transcriptional regulatory genes (EFG1, TEC1, and NRG1) were analyzed using quantitative real-time PCR. The results demonstrated that L. crispatus CFS significantly down-regulated the expression of hyphae-specific genes ALS3 (0.140-fold)), HWP1 (0.075-fold), and ECE1 (0.045-fold), while up-regulated the expression of the negative transcriptional regulator gene NRG1 with 1.911-fold. The antimicrobial compounds from L. crispatus B145 against Candida growth were heat stable and protease resistance, but those against hyphal formation were partially sensitive to the same treatments. Our novel findings suggest that L. crispatus, a dominant Lactobacillus species associated with a healthy vagina, could strongly inhibit C. albicans growth and hyphal formation. L. crispatus might repress the expression of hyphae-specific genes (ALS3, HWP1, and ECE1) in a NRG1-dependent manner. Besides, L. crispatus B145 is highly worthwhile for probiotic investigation.
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Affiliation(s)
- Shuai Wang
- Department of Microbiology and Center of Infectious Disease, School of Basic Medical Sciences, Peking University Health Science CenterBeijing, China
| | - Qiangyi Wang
- Department of Microbiology and Center of Infectious Disease, School of Basic Medical Sciences, Peking University Health Science CenterBeijing, China
| | - Ence Yang
- Department of Microbiology and Center of Infectious Disease, School of Basic Medical Sciences, Peking University Health Science CenterBeijing, China
| | - Ling Yan
- Department of Microbiology and Center of Infectious Disease, School of Basic Medical Sciences, Peking University Health Science CenterBeijing, China
| | - Tong Li
- Department of Microbiology and Center of Infectious Disease, School of Basic Medical Sciences, Peking University Health Science CenterBeijing, China
| | - Hui Zhuang
- Department of Microbiology and Center of Infectious Disease, School of Basic Medical Sciences, Peking University Health Science CenterBeijing, China
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Lactobacillus plantarum and Its Probiotic and Food Potentialities. Probiotics Antimicrob Proteins 2017; 9:111-122. [DOI: 10.1007/s12602-017-9264-z] [Citation(s) in RCA: 121] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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The safe enterocin DD14 is a leaderless two-peptide bacteriocin with anti-Clostridium perfringens activity. Int J Antimicrob Agents 2017; 49:282-289. [PMID: 28104423 DOI: 10.1016/j.ijantimicag.2016.11.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 11/04/2016] [Accepted: 11/12/2016] [Indexed: 12/17/2022]
Abstract
Enterococcus faecalis 14, a strain previously isolated from meconium, displayed activity against four Clostridium perfringens isolates when co-cultured on agar plates. The anti-Clostridium activity was ascribed to the production of enterocin DD14, which was subsequently purified. The minimum inhibitory concentration (MIC) of enterocin DD14 against one collection strain and one clinical C. perfringens strain was determined at 50 µg/mL. Furthermore, using the intestinal epithelial cell line IPEC-1, it was shown that E. faecalis 14 was not cytotoxic after 24 h of contact, and no cytotoxicity was observed when IPEC-1 cells were incubated with pure enterocin DD14 for 4 h. Enterocin DD14 was characterised using mass spectrometry and was shown to consist of two small proteins of 5200.74 Da and 5206.41 Da, respectively. The two peptides (DD14A and DD14B) have highly similar amino acid sequences and no signal peptide, which classifies enterocin DD14 as a class IIb leaderless two-peptide bacteriocin. The genes encoding DD14A and DD14B were sequenced and were shown to be 100% identical to other previously described enterocins MR10A and MR10B, in contrast to the producing strains, which are different. Consequently, the present in vitro study supports the potential of this E. faecalis 14 strain and/or its purified enterocin DD14 as putative anti-C. perfringens compounds in chickens.
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Abstract
In recent decades, probiotics have shown beneficial effects on animal and human health. Probiotics can protect the host against several health threats, including infectious diseases. Before 1995, researchers believed that the effect of probiotics was only on gut microbiota which can restore the gut flora and thus prevent pathogenic bacteria from triggering gastroenteritis. Recent studies have shown that the immunomodulatory activity is the most important mechanism of action of probiotics. From this information, researchers started to evaluate the effect of some immunobiotics, not only on pathogenic bacteria but also on viruses, including enteric and respiratory viruses. Several studies have confirmed the potential antiviral activity of some probiotics due to the immunomodulatory effect. These studies were conducted on humans (clinical trials) and in animal models. In this chapter, probiotics with antiviral effect against respiratory and enteric viruses will be presented and discussed, as well as their mechanisms of action.
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49
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The Application of Molecular Methods Towards an Understanding of the Role of the Vaginal Microbiome in Health and Disease. METHODS IN MICROBIOLOGY 2017. [DOI: 10.1016/bs.mim.2017.08.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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50
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Melo TA, Dos Santos TF, de Almeida ME, Junior LAGF, Andrade EF, Rezende RP, Marques LM, Romano CC. Inhibition of Staphylococcus aureus biofilm by Lactobacillus isolated from fine cocoa. BMC Microbiol 2016; 16:250. [PMID: 27793096 PMCID: PMC5084336 DOI: 10.1186/s12866-016-0871-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Accepted: 10/26/2016] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Biofilm production represents an important virulence and pathogenesis factor for Staphylococcus aureus. The formation of biofilms on medical devices is a major concern in hospital environments, as they can become a constant source of infection. Probiotic bacteria, such as Lactobacillus fermentum and L. plantarum, have been found to inhibit biofilm formation; however little is known about the underlying mechanism. In this study, we tested the activity of supernatants produced by L. fermentum TCUESC01 and L. plantarum TCUESC02, isolated during the fermentation of fine cocoa, against S. aureus CCMB262 biofilm production. We measured inhibition of biofilm formation in vitro and analyzed biofilm structure by confocal and electronic microscopy. Additionally, we quantified the expression of S. aureus genes icaA and icaR involved in the synthesis of the biofilm matrix by real-time PCR. RESULTS Both Lactobacillus supernatants inhibited S. aureus growth. However, only L. fermentum TCUESC01 significantly reduced the thickness of the biofilm, from 14 μm to 2.83 μm (at 18 mg∙mL-1, 90 % of the minimum inhibitory concentration, MIC), 3.12 μm (at 14 mg∙mL-1, 70 % of the MIC), and 5.21 μm (at 10 mg∙mL-1, 50 % of the MIC). Additionally, L. fermentum TCUESC01 supernatant modulated the expression of icaA and icaR. CONCLUSIONS L. fermentum TCUESC01 reduces the formation of S. aureus biofilm under subinhibitory conditions. Inhibition of biofilm production probably depends on modulation of the ica operon.
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Affiliation(s)
- Tauá Alves Melo
- Department of Biological Sciences, Santa Cruz State University, Ilhéus-Itabuna Road, km 16 Salobrinho, Ilhéus, 45662-900, Bahia State, Brazil
| | - Thalis Ferreira Dos Santos
- Department of Biological Sciences, Santa Cruz State University, Ilhéus-Itabuna Road, km 16 Salobrinho, Ilhéus, 45662-900, Bahia State, Brazil
| | - Milena Evangelista de Almeida
- Department of Biological Sciences, Santa Cruz State University, Ilhéus-Itabuna Road, km 16 Salobrinho, Ilhéus, 45662-900, Bahia State, Brazil
| | - Luiz Alberto Gusmão Fontes Junior
- Department of Biological Sciences, Santa Cruz State University, Ilhéus-Itabuna Road, km 16 Salobrinho, Ilhéus, 45662-900, Bahia State, Brazil
| | - Ewerton Ferraz Andrade
- Multidisciplinary Institute for Health, Federal University of Bahia, Rio de Contas Street, Candeiasn 17,58 Block, Vitória da Conquista, 45029-094, Bahia State, Brazil
| | - Rachel Passos Rezende
- Department of Biological Sciences, Santa Cruz State University, Ilhéus-Itabuna Road, km 16 Salobrinho, Ilhéus, 45662-900, Bahia State, Brazil
| | - Lucas Miranda Marques
- Multidisciplinary Institute for Health, Federal University of Bahia, Rio de Contas Street, Candeiasn 17,58 Block, Vitória da Conquista, 45029-094, Bahia State, Brazil
| | - Carla Cristina Romano
- Department of Biological Sciences, Santa Cruz State University, Ilhéus-Itabuna Road, km 16 Salobrinho, Ilhéus, 45662-900, Bahia State, Brazil.
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