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Santana GB, Quelemes PV, da Silva Neta ER, de Lima SG, Vale GC. Chemical Characterization and Effect of a Lactobacilli-Postbiotic on Streptococcus mutans Biofilm In Vitro. Microorganisms 2024; 12:843. [PMID: 38792672 PMCID: PMC11124186 DOI: 10.3390/microorganisms12050843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/10/2024] [Accepted: 04/16/2024] [Indexed: 05/26/2024] Open
Abstract
Postbiotic is the term used to define the soluble factors, metabolic products, or byproducts released by live probiotic bacteria or after its lysis. The objective of this study was to carry out the chemical characterization of the postbiotic of Lacticaseibacillus rhamnosus LR-32 and to evaluate its in vitro effect on the development of the Streptococcus mutans biofilm. After the cultivation of the probiotic strain, the postbiotic was extracted by centrifuging the culture and filtering the supernatant. This postbiotic was characterized by using gas chromatography coupled with mass spectrometry (GC-MS), and then it was used to determine the growth inhibition of S. mutans in its planktonic form; additionally, its effects on the following parameters in 48 h biofilm were evaluated: viable bacteria, dry weight, and gene expression of glucosyltransferases and VicR gene. The control group consisted of the biofilm without any treatment. A paired t-test was performed for statistical analysis, with the p-value set at 5%. Seventeen compounds of various chemical classes were identified in the postbiotic, including sugars, amino acids, vitamins, and acids. The treatment with the postbiotic led to an inhibition of the growth of S. mutans in its planktonic form, as well as a decrease in the number of viable bacteria, reduction in dry weight, and a negative regulation of the gene expression of gtfB, gtfC, gtfD, and vicR in its biofilm state, compared with the nontreated group (p < 0.05). The postbiotic of L. rhamnosus impaired the development of S. mutans biofilm.
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Affiliation(s)
- Guilherme Bandeira Santana
- Postgraduate Program in Dentistry, Federal University of Piauí, Teresina 64049-550, Brazil; (G.B.S.); (P.V.Q.)
| | - Patrick Veras Quelemes
- Postgraduate Program in Dentistry, Federal University of Piauí, Teresina 64049-550, Brazil; (G.B.S.); (P.V.Q.)
| | - Enedina Rodrigues da Silva Neta
- Organic Geochemistry Laboratory, Postgraduate Program in Chemistry, Federal University of Piauí, Teresina 64049-550, Brazil; (E.R.d.S.N.); (S.G.d.L.)
| | - Sidney Gonçalo de Lima
- Organic Geochemistry Laboratory, Postgraduate Program in Chemistry, Federal University of Piauí, Teresina 64049-550, Brazil; (E.R.d.S.N.); (S.G.d.L.)
| | - Gláuber Campos Vale
- Postgraduate Program in Dentistry, Federal University of Piauí, Teresina 64049-550, Brazil; (G.B.S.); (P.V.Q.)
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Lee MK, Chen IH, Hsu IL, Tsai WH, Lee TY, Jhong JH, Liu BC, Huang TY, Lin FK, Chang WW, Wu JH. The impact of Lacticaseibacillus paracasei GMNL-143 toothpaste on gingivitis and oral microbiota in adults: a randomized, double-blind, crossover, placebo-controlled trial. BMC Oral Health 2024; 24:477. [PMID: 38643116 PMCID: PMC11031891 DOI: 10.1186/s12903-024-04251-4] [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] [Received: 01/31/2024] [Accepted: 04/11/2024] [Indexed: 04/22/2024] Open
Abstract
BACKGROUND This study examines the oral health benefits of heat-killed Lacticaseibacillus paracasei GMNL-143, particularly its potential in oral microbiota alterations and gingivitis improvement. METHODS We assessed GMNL-143's in vitro interactions with oral pathogens and its ability to prevent pathogen adherence to gingival cells. A randomized, double-blind, crossover clinical trial was performed on gingivitis patients using GMNL-143 toothpaste or placebo for four weeks, followed by a crossover after a washout. RESULTS GMNL-143 showed coaggregation with oral pathogens in vitro, linked to its surface layer protein. In patients, GMNL-143 toothpaste lowered the gingival index and reduced Streptococcus mutans in crevicular fluid. A positive relationship was found between Aggregatibacter actinomycetemcomitans and gingival index changes, and a negative one between Campylobacter and gingival index changes in plaque. CONCLUSION GMNL-143 toothpaste may shift oral bacterial composition towards a healthier state, suggesting its potential in managing mild to moderate gingivitis. TRIAL REGISTRATION ID NCT04190485 ( https://clinicaltrials.gov/ ); 09/12/2019, retrospective registration.
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Affiliation(s)
- Min-Kang Lee
- Department of Dentistry, Kaohsiung Medical University Hospital, No.100, Shih-Chuan 1st Road, Sanmin Dist, Kaohsiung City, 807378, Taiwan
| | - I-Hui Chen
- Department of Dentistry, Kaohsiung Medical University Hospital, No.100, Shih-Chuan 1st Road, Sanmin Dist, Kaohsiung City, 807378, Taiwan
| | - I-Ling Hsu
- Research and Development Department, GenMont Biotech Incorporation, Tainan City, 741014, Taiwan
| | - Wan-Hua Tsai
- Research and Development Department, GenMont Biotech Incorporation, Tainan City, 741014, Taiwan
| | - Tzong-Yi Lee
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu, 300193, Taiwan
| | - Jhih-Hua Jhong
- Department of Computer Science and Engineering, Yuan Ze University, Taoyuan City, 320315, Taiwan
| | - Bai-Chia Liu
- Research and Development Department, GenMont Biotech Incorporation, Tainan City, 741014, Taiwan
| | - Tsui-Yin Huang
- Research and Development Department, GenMont Biotech Incorporation, Tainan City, 741014, Taiwan
| | - Fang-Kuei Lin
- Research and Development Department, GenMont Biotech Incorporation, Tainan City, 741014, Taiwan
| | - Wen-Wei Chang
- Departement of Biomedical Sciences, Chung Shan Medical University, No. 110, Section 1, Chien-Kuo N. Rd, Taichung City, 402306, Taiwan.
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung City, 402306, Taiwan.
| | - Ju-Hui Wu
- Department of Dentistry, Kaohsiung Medical University Hospital, No.100, Shih-Chuan 1st Road, Sanmin Dist, Kaohsiung City, 807378, Taiwan.
- Department of Oral Hygiene, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung City, 807378, Taiwan.
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Boisen G, Prgomet Z, Enggren G, Dahl H, Mkadmi C, Davies JR. Limosilactobacillus reuteri inhibits the acid tolerance response in oral bacteria. Biofilm 2023; 6:100136. [PMID: 37408693 PMCID: PMC10319175 DOI: 10.1016/j.bioflm.2023.100136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 06/14/2023] [Accepted: 06/14/2023] [Indexed: 07/07/2023] Open
Abstract
Probiotic bacteria show promising results in prevention of the biofilm-mediated disease caries, but the mechanisms are not fully understood. The acid tolerance response (ATR) allows biofilm bacteria to survive and metabolize at low pH resulting from microbial carbohydrate fermentation. We have studied the effect of probiotic strains: Limosilactobacillus reuteri and Lacticaseibacillus rhamnosus on ATR induction in common oral bacteria. Communities of L. reuteri ATCC PTA5289 and Streptoccus gordonii, Streptococcus oralis, Streptococcus mutans or Actinomyces naeslundii in the initial stages of biofilm formation were exposed to pH 5.5 to allow ATR induction, followed by a low pH challenge. Acid tolerance was evaluated as viable cells after staining with LIVE/DEAD®BacLight™. The presence of L. reuteri ATCC PTA5289 caused a significant reduction in acid tolerance in all strains except S. oralis. When S. mutans was used as a model organism to study the effects of additional probiotic strains (L. reuteri SD2112, L. reuteri DSM17938 or L. rhamnosus GG) as well as L. reuteri ATCC PTA5289 supernatant on ATR development, neither the other probiotic strains nor supernatants showed any effect. The presence of L. reuteri ATCC PTA5289 during ATR induction led to down-regulation of three key genes involved in tolerance of acid stress (luxS, brpA and ldh) in Streptococci. These data suggest that live cells of probiotic L. reuteri ATCC PTA5289 can interfere with ATR development in common oral bacteria and specific strains of L. reuteri may thus have a role in caries prevention by inhibiting development of an acid-tolerant biofilm microbiota.
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Affiliation(s)
- Gabriella Boisen
- Section for Oral Biology and Pathology, Faculty of Odontology, Malmö University, Malmö, Sweden
- Biofilms - Research Center for Biointerfaces, Malmö University, SE-205 06 Malmö, Sweden
| | - Zdenka Prgomet
- Section for Oral Biology and Pathology, Faculty of Odontology, Malmö University, Malmö, Sweden
- Department of Biomedical Science, Faculty of Health and Society, Malmö University, Malmö, Sweden
| | - Gabriela Enggren
- Department of Biomedical Science, Faculty of Health and Society, Malmö University, Malmö, Sweden
- Biofilms - Research Center for Biointerfaces, Malmö University, SE-205 06 Malmö, Sweden
| | - Hanna Dahl
- Section for Oral Biology and Pathology, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Cindy Mkadmi
- Section for Oral Biology and Pathology, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Julia R. Davies
- Section for Oral Biology and Pathology, Faculty of Odontology, Malmö University, Malmö, Sweden
- Biofilms - Research Center for Biointerfaces, Malmö University, SE-205 06 Malmö, Sweden
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Nie Q, Wan X, Tao H, Yang Q, Zhao X, Liu H, Hu J, Luo Y, Shu T, Geng R, Gu Z, Fan F, Liu Z. Multi-function screening of probiotics to improve oral health and evaluating their efficacy in a rat periodontitis model. Front Cell Infect Microbiol 2023; 13:1261189. [PMID: 38029238 PMCID: PMC10660970 DOI: 10.3389/fcimb.2023.1261189] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 10/20/2023] [Indexed: 12/01/2023] Open
Abstract
The oral cavity is the second most microbially rich region of the human body, and many studies have shown that there is a strong association between microorganisms and oral health. Some pathogenic bacteria produce biofilms and harmful metabolites in the mouth that may cause oral problems such as oral malodor, periodontitis, and dental caries. Altering the oral microbiota by using probiotics may alleviate oral health problems. Thus, using multi-function screening, we aimed to identify probiotics that can significantly improve oral health. The main parameters were the inhibition of pathogenic bacteria growth, inhibition of biofilm formation, reduction in the production of indole, H2S, and NH3 metabolites that cause halitosis, increase in the production of H2O2 to combat harmful bacteria, and co-aggregation with pathogens to prevent their adhesion and colonization in the oral cavity. Tolerance to cholic acid and choline was also assessed. Bifidobacterium animalis ZK-77, Lactobacillus salivarius ZK-88, and Streptococcus salivarius ZK-102 had antibacterial activity and inhibited biofilm production to prevent caries. They also improved the oral malodor parameter, H2S, NH3, and indole production. The selected probiotics (especially L. salivarius ZK-88) alleviated the inflammation in the oral cavity of rats with periodontitis. The analysis of the gingival crevicular fluid microbiome after probiotic intervention showed that B. animalis ZK-77 likely helped to restore the oral microbiota and maintain the oral microecology. Next, we determined the best prebiotics for each candidate probiotic in order to obtain a formulation with improved effects. We then verified that a probiotics/prebiotic combination (B. animalis ZK-77, L. salivarius ZK-88, and fructooligosaccharides) significantly improved halitosis and teeth color in cats. Using whole-genome sequencing and acute toxicity mouse experiments involving the two probiotics, we found that neither probiotic had virulence genes and they had no significant effects on the growth or development of mice, indicating their safety. Taking the results together, B. animalis ZK-77 and L. salivarius ZK-88 can improve oral health, as verified by in vivo and in vitro experiments. This study provides a reference for clinical research and also provides new evidence for the oral health benefits of probiotics.
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Affiliation(s)
- Qingqing Nie
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Xuchun Wan
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Hua Tao
- Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Qianqian Yang
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Xueyang Zhao
- College of Life Sciences, Henan Normal University, Xinxiang, Henan, China
| | - Haixia Liu
- Huayuan Biotechnology Institute, Beijing, China
| | - Jun Hu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
- Hubei Jiangxia Laboratory, Wuhan, China
| | - Yanan Luo
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Ting Shu
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Ran Geng
- Huayuan Biotechnology Institute, Beijing, China
| | - Zhijing Gu
- Huayuan Biotechnology Institute, Beijing, China
| | - Fengkai Fan
- Hubei Key Laboratory of Purification and Application of Plant Anti-Cancer Ingredients, College of Chemistry and Life Science, Hubei University of Education, Wuhan, China
| | - Zhi Liu
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
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Dehghani Champiri I, Bamzadeh Z, Rahimi E, Rouhi L. Lacticaseibacillus paracasei LB12, a Potential Probiotic Isolated from Traditional Iranian Fermented Milk (Doogh). Curr Microbiol 2023; 80:333. [PMID: 37658854 DOI: 10.1007/s00284-023-03376-z] [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: 08/28/2022] [Accepted: 06/13/2023] [Indexed: 09/05/2023]
Abstract
In Iran, dairy-based fermented foods, like yogurt, cheese, fermented milk, buttermilk, kashk, butter, and Doogh are essential dietary components. Doogh is typically made using fermented yogurt or buttermilk. However, a literature review revealed a lack of research on extracting probiotics from Doogh during processing. As dairy products contain lactic acid bacteria, the aim was to isolate and identify them using culture and PCR-sequencing techniques. Samples of traditional Doogh were collected throughout the Chaharmahal Bakhtiari province of Iran. A specific number of strains have been isolated and among them, the strain LB12 was selected for further characterization based on its probiotic properties. Probiotic properties like adhesion capability, antagonistic activity, resistance to the simulated stomach and intestinal fluids, pH, and bile salt were assessed according to National Standard ISO 19459 of Iran. The LB12 strain was identified as Lacticaseibacillus paracasei by partial 16 rDNA sequence analysis. This L. paracasei strain demonstrated its in vitro resilience to stomach conditions with 58.04% survival at pH 3 and more than 50% resistance to different bile salt concentrations. L. paracasei LB12 showed a cell surface hydrophobicity of 38.18% and a 6.2 log CFU/ml resistance to simulated gastric and intestinal fluids, and a rate of auto- and co-aggregation of 15% and 22%, respectively. L. parasei LB12 showed also a moderate adhesion to HT-29 cell line. In conclusion, L. paracasei LB12 is considered a promising potential probiotic suitable for the development of food supplement and pharmaceutical products.
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Affiliation(s)
- Iman Dehghani Champiri
- Department of Microbiology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Zahra Bamzadeh
- Department of Microbiology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
- Department of Microbiology, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran.
| | - Ebrahim Rahimi
- Department of Food Hygiene and Public Health, Faculty of Veterinary Medicine, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Leila Rouhi
- Cellular and Developmental Research Center, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
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Araujo LDC, da Silva RAB, Silva CMPC, Salvador SLS, Messora MR, Furlaneto FAC, Mastrange MDA, Pucinelli CM, da Silva LAB. Bifidobacterium animalis subsp. lactis HN019 has antimicrobial activity against endodontic pathogens in vitro. Braz J Microbiol 2023; 54:2289-2295. [PMID: 37632683 PMCID: PMC10484865 DOI: 10.1007/s42770-023-01083-2] [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: 02/01/2022] [Accepted: 07/25/2023] [Indexed: 08/28/2023] Open
Abstract
The aim of the present study was to evaluate, in vitro, the antimicrobial activity of the probiotic Bifidobacterium animalis subsp. lactis HN019, through the well technique, against 10 microorganisms can be found involved in endodontic infections. The antimicrobial activity of the probiotic was performed on Streptococcus mutans, Streptococcus sobrinus, Lacticaseibacillus casei, Enterococcus faecalis, Staphylococcus aureus, Candida albicans, Porphyromonas gingivalis, Porphyromonas endodontalis, Fusobacterium nucleatum and Prevotella intermedia. For the control group, it was used non-pathogenic bacteria Escherichia coli, Saccharomyces cerevisiae, and Kocuria rizhopilla. After 48 to 72 h of incubation of the petri dishes containing the culture medium, the microorganism strains, and the probiotic, the plates were examined to assess the uniformity of microbial growth, presence of contaminants, and the halo of inhibition. After visual inspection, the reading of the halo of inhibition was performed with the aid of a digital caliper using a reflected light source to illuminate the inverted plate on a black, opaque background after removing the cap. Thus, 3 values were obtained from each bacterial inoculum, which were added and divided by three to obtain the average of the values. The results of the in vitro study demonstrated that the probiotic B. animalis subsp. lactis HN019 promoted the inhibition of all strains of the pathogens evaluated, with the exception of Candida albicans, demonstrating antimicrobial activity on these microorganisms.
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Affiliation(s)
- Lisa Danielly Curcino Araujo
- Department of Pediatric Dentistry, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.
| | - Raquel Assed Bezerra da Silva
- Department of Pediatric Dentistry, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | | | - Sérgio Luiz Sousa Salvador
- Department of Clinical Analyses, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Michel Reis Messora
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Flávia Aparecida Chaves Furlaneto
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Marina Del Arco Mastrange
- Department of Clinical Analyses, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Carolina Maschietto Pucinelli
- Department of Pediatric Dentistry, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Léa Assed Bezerra da Silva
- Department of Pediatric Dentistry, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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Elgamily HM, El-Sayed SM, El-Sayed HS, Youssef AM. Laboratory evaluation of anti-plaque and remineralization efficacy of sugarless probiotic jelly candy supplemented with natural nano prebiotic additive. Sci Rep 2023; 13:10977. [PMID: 37414826 PMCID: PMC10326239 DOI: 10.1038/s41598-023-37645-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 06/25/2023] [Indexed: 07/08/2023] Open
Abstract
We evaluated the anti-cariogenic effect of an experimental synbiotic compound containing probiotic Lacticaseibacillus rhamnosus (NRRL B-442)-based jelly candy supplemented with natural prebiotic grape seed extract (GSE) in a nanoemulsion formula on the colonization and establishment of Streptococcus mutans (ATCC 25175) and Actinomyces viscosus (ATTCC 19246) biofilms through counting colony forming units, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). We were then analysing the remineralizing effect of synbiotic jelly candy on human enamel surface lesions using Vickers microhardness testers, atomic force microscopy (AFM), SEM, energy-dispersive X-ray spectroscopy (EDAX), and confocal laser scanning microscopy (CLSM) at three stages (sound, after demineralization, and after pH cycling). We found after 21 days of treatment of the pH-cycled enamel discs with jelly candy for 10 min twice daily, a 68% decrease in S. mutans colony formation, reducing biofilm development, trapping S. mutans visualized in jelly candy under SEM examination, and significantly altering the morphological structure of these bacteria under TEM analysis. For remineralization measurements, statistically significant differences in microhardness integrated mineral loss, and lesion depth through CLSM between demineralization and treatment stages. These findings provide an effective anti-cariogenic synbiotic compound of grape seed extract and probiotic jelly candy with potential remineralizing activity.
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Affiliation(s)
- Hanaa M Elgamily
- Restorative and Dental Materials Department, Oral and Dental Research Institutes, National Research Centre, 33 El Bohouth St., Dokki, Giza, 12622, Egypt.
| | - Samah M El-Sayed
- Dairy Department, Food Industries and Nutrition Research Institute, National Research Centre, 33 El Bohouth St., Dokki, Giza, 12622, Egypt
| | - Hoda S El-Sayed
- Dairy Department, Food Industries and Nutrition Research Institute, National Research Centre, 33 El Bohouth St., Dokki, Giza, 12622, Egypt
| | - Ahmed M Youssef
- Packaging Materials Department, National Research Centre, 33 El Bohouth St., Dokki, Giza, 12622, Egypt
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Growth Conditions Influence Lactobacillus Cell-Free Supernatant Impact on Viability, Biofilm Formation, and Co-Aggregation of the Oral Periodontopathogens Fusobacterium nucleatum and Porphyromonas gingivalis. Biomedicines 2023; 11:biomedicines11030859. [PMID: 36979838 PMCID: PMC10045872 DOI: 10.3390/biomedicines11030859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 03/18/2023] Open
Abstract
Fusobacterium nucleatum and Porphyromonas gingivalis human periodontopathogens play a leading part in oral squamous cell carcinoma through cell proliferation, invasion, and persistent inflammation promotion and maintenance. To explore how the activity of Lactobacillus-derived cell-free supernatants (CFSs) can be influenced by growth medium components, CFSs were produced both in the standard MRS and the novel animal-derivative-free “Terreno Industriale Lattobacilli” (TIL) media, and in vitro screened for the containment of F. nucleatum and P. gingivalis both single and co-cultured and also for the interference on their co-aggregation. The viability assay demonstrated that the Limosilactobacillus reuteri LRE11 and Ligilactobacillus salivarius LS03 MRS-produced CFSs were significantly more effective against single and co-cultured pathogens. All the other CFSs significantly improved their efficacy when produced in TIL. Both MRS- and TIL-produced CFSs significantly inhibited the single and co-cultured pathogen biofilm formation. Only Levilactobacillus brevis LBR01 CFS in MRS specifically reduced F. nucleatum and P. gingivalis co-aggregation, while viable LBR01, LS03, and LRE11 in MRS significantly co-aggregated with the pathogens, but only LS03 cultivated in TIL improved this effect. This work paves the way to better consider environmental growth conditions when screening for probiotic and postbiotic efficacy as crucial to pathogen aggregation, adhesion to the host’s niches, and exclusion.
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Khodaii Z, Mardi S, Mardi P, Natanzi MM. Adjunctive role of Q10 with Ligilactobacillus salivarius, and Lactiplantibacillus plantarum probiotic Bacteria on the HEp-2 cells viability and adhesion of Streptococcus mutans. Front Cell Infect Microbiol 2023; 13:1053230. [PMID: 37187472 PMCID: PMC10175631 DOI: 10.3389/fcimb.2023.1053230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 04/11/2023] [Indexed: 05/17/2023] Open
Abstract
Objective Various studies have indicated the application of Coenzyme Q10 and probiotic bacteria such as Ligilactobacillus salivarius (L. salivarius) and Lactiplantibacillus plantarum (L. plantarum) in combating periodontal disease. Considering the positive effect of these two on oral health, and the destructive effect of S. mutans, in this study, we investigate the outcomes of the administration of probiotics and Q10 on infected HEp-2 cell viability and S. mutans adhesion in different settings. Methods A 3-week-old human epidermoid laryngeal (HEp-2) cell line was cultured and exposed to two different probiotics and 3 different doses of Q10 doses. Samples were contaminated by S. mutans immediately (therapeutic setting) and after 3 hours (preventive setting). Eventually, the viability of HEp-2 cells was investigated by MTT. Also, the number of adhered S. mutans was explored by direct and indirect adhesion assays. Results L. plantarum and L. salivarius protect epithelial cells against S. mutans in both therapeutic and preventive settings, albeit not fully. In contrast, Q10 completely preserves the viability of infected Her HEp-2 cells at all concentrations. The effects of the coexistence of Q10 and probiotics were not quite equal, among which L. salivarius and 5 μg of Q10 form the best results. The microscopic adherence assay of S. mutans revealed that samples containing Q10 had significantly lower adhesion of probiotics and S. mutans to HEp-2 cells. Similarly, plates containing L. salivarius with 5μg or L. plantarum with 1μg Q10 or sole presence of L. salivarius had the lowest S. mutans adherence among others. Also, L. salivarius with 5μg Q10 had one of the highest probiotic adherences. Conclusion In conclusion, co-administration of Q10 and probiotics especially in presence of L. salivarius with 5μg Q10 could have remarkable effects on HEp-2 cell viability, S. mutans, and probiotic adherence. Nevertheless, our study, for the first time, showed that Q10 might have an anti-bacterial activity by suppressing the adhesion of tested bacteria to HEp-2 cells. This hypothesis, if correct, suggests that due to their different mechanisms, co-prescription of Q10 and probiotics may lead to better clinical responses, especially in the mentiond dose.
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Affiliation(s)
- Zohreh Khodaii
- Dietary Supplements and Probiotic Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Shayan Mardi
- Student Research Committee, Arak University of Medical Sciences, Arak, Iran
| | - Parham Mardi
- Student Research Committee, Alborz University of Medical Sciences, Karaj, Iran
| | - Mahboobeh Mehrabani Natanzi
- Dietary Supplements and Probiotic Research Center, Alborz University of Medical Sciences, Karaj, Iran
- Evidence-based Phytotherapy And Complementary Medicine Research Center, Alborz University of Medical Sciences, Karaj, Iran
- *Correspondence: Mahboobeh Mehrabani Natanzi,
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10
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Vitale I, Spano M, Puca V, Carradori S, Cesa S, Marinacci B, Sisto F, Roos S, Grompone G, Grande R. Antibiofilm activity and NMR-based metabolomic characterization of cell-free supernatant of Limosilactobacillus reuteri DSM 17938. Front Microbiol 2023; 14:1128275. [PMID: 36891385 PMCID: PMC9986594 DOI: 10.3389/fmicb.2023.1128275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 01/20/2023] [Indexed: 02/22/2023] Open
Abstract
The microbial biofilm has been defined as a "key virulence factor" for a multitude of microorganisms associated with chronic infections. Its multifactorial nature and variability, as well as an increase in antimicrobial resistance, suggest the need to identify new compounds as alternatives to the commonly used antimicrobials. The aim of this study was to assess the antibiofilm activity of cell-free supernatant (CFS) and its sub-fractions (SurE 10 K with a molecular weight <10 kDa and SurE with a molecular weight <30 kDa), produced by Limosilactobacillus reuteri DSM 17938, vs. biofilm-producing bacterial species. The minimum inhibitory biofilm concentration (MBIC) and the minimum biofilm eradication concentration (MBEC) were determined via three different methods and an NMR metabolomic analysis of CFS and SurE 10K was performed to identify and quantify several compounds. Finally, the storage stability of these postbiotics was evaluated by a colorimetric assay by analyzing changes in the CIEL*a*b parameters. The CFS showed a promising antibiofilm activity against the biofilm developed by clinically relevant microorganisms. The NMR of CFS and SurE 10K identifies and quantifies several compounds, mainly organic acids and amino acids, with lactate being the most abundant metabolite in all the analyzed samples. The CFS and SurE 10 K were characterized by a similar qualitative profile, with the exception of formate and glycine detected only in the CFS. Finally, the CIEL*a*b parameters assess the better conditions to analyze and use these matrices for the correct preservation of bioactive compounds.
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Affiliation(s)
- Irene Vitale
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Mattia Spano
- Department of Drug Chemistry and Technology, Sapienza University of Rome, Rome, Italy
| | - Valentina Puca
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Simone Carradori
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Stefania Cesa
- Department of Drug Chemistry and Technology, Sapienza University of Rome, Rome, Italy
| | - Beatrice Marinacci
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.,Department of Innovative Technologies in Medicine & Dentistry, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Francesca Sisto
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Stefan Roos
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden.,BioGaia AB, Stockholm, Sweden
| | | | - Rossella Grande
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.,Center for Advanced Studies and Technology (CAST), G. d'Annunzio University of Chieti-Pescara, Chieti, Italy
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11
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Use of the Probiotic Bifidobacterium animalis subsp. lactis HN019 in Oral Diseases. Int J Mol Sci 2022; 23:ijms23169334. [PMID: 36012597 PMCID: PMC9409207 DOI: 10.3390/ijms23169334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/16/2022] [Accepted: 08/16/2022] [Indexed: 11/25/2022] Open
Abstract
The oral cavity is one of the environments on the human body with the highest concentrations of microorganisms that coexist harmoniously and maintain homeostasis related to oral health. Several local factors can shift the microbiome to a pathogenic state of dysbiosis. Existing treatments for infections caused by changes in the oral cavity aim to control biofilm dysbiosis and restore microbial balance. Studies have used probiotics as treatments for oral diseases, due to their ability to reduce the pathogenicity of the microbiota and immunoinflammatory changes. This review investigates the role of the probiotic Bifidobacterium animalis subsp. lactis (B. lactis) HN019 in oral health, and its mechanism of action in pre-clinical and clinical studies. This probiotic strain is a lactic acid bacterium that is safe for human consumption. It mediates bacterial co-aggregation with pathogens and modulates the immune response. Studies using B. lactis HN019 in periodontitis and peri-implant mucositis have shown it to be a potential adjuvant treatment with beneficial microbiological and immunological effects. Studies evaluating its oral effects and mechanism of action show that this probiotic strain has the potential to be used in several dental applications because of its benefit to the host.
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12
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Outside the limits of bacterial viability: postbiotics in the management of periodontitis. Biochem Pharmacol 2022; 201:115072. [PMID: 35513043 DOI: 10.1016/j.bcp.2022.115072] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 01/17/2023]
Abstract
Periodontitis is a major cause of tooth loss in adults worldwide and is caused by an unbalanced oral microbiota in a susceptible host, ultimately leading to tissue breakdown and bone loss. Traditionally, the treatment for periodontitis is scaling and root planing; however, some cases require adjuvant therapy, such as antibiotics administration or surgery. Various factors are involved in the pathogenesis and interact in an unpredictable way, increasing the complexity of the disease and making it difficult to manage. In this context, the administration of probiotics aimed at resolving bacterial dysbiosis and the associated dysregulation of the immune system has been employed in clinical trials with encouraging results. However, the use of viable microorganisms is not risk-free, and immunocompromised patients may develop adverse effects. Therefore, the use of inactivated microbial cells, cell fractions, or soluble products and metabolites of probiotics, known as postbiotics, has gained increasing attention. In this commentary, we present the current literature assessing the impact of postbiotics on the growth and metabolism of periodontal pathogens, as well as on the progression of periodontitis in rodents and humans. We also discuss the limitations of the available data and what the scientific community should consider in order to transfer this innovative therapeutic modality from the bench to the bedside.
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13
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Wang J, Liu Y, Wang W, Ma J, Zhang M, Lu X, Liu J, Kou Y. The rationale and potential for using Lactobacillus in the management of periodontitis. JOURNAL OF MICROBIOLOGY (SEOUL, KOREA) 2022; 60:355-363. [PMID: 35344188 DOI: 10.1007/s12275-022-1514-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 02/07/2022] [Accepted: 02/25/2022] [Indexed: 01/13/2023]
Abstract
Periodontitis refers to a wide range of the inflammatory conditions of supporting dental structures. For some patients with periodontitis, antibacterial agents are needed as an adjuvant to mechanical debridement treatments and oral hygiene maintenance. However, the widespread use of broad-spectrum antibiotics for the prophylaxis and treatment of periodontal infections results in the emergence of resistant pathogens. Therefore, probiotics have become markedly interesting to researchers as a potentially safe alternative to periodontal treatment and maintenance. Probiotics have been used in medicine for decades and extensively applied to the treatment of inflammatory diseases through the modulation of microbial synergy and other mechanisms. A growing amount of evidence has shown that using Lactobacillus strains for oral cavity maintenance could improve periodontal health. In this study, we reviewed studies showing proof of the inhibitory effects of Lactobacillus species on periodontal inflammation. We also explored the rationale and potential for using Lactobacillus species in the management of periodontitis.
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Affiliation(s)
- Jiaqi Wang
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, 110122, P. R. China
| | - Yingman Liu
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, 110122, P. R. China
| | - Weiru Wang
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, 110122, P. R. China
| | - Jiaojiao Ma
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, 110122, P. R. China
| | - Manman Zhang
- Department of Oral Biology, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, 110122, P. R. China
| | - Xiaoying Lu
- Department of Oral Biology, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, 110122, P. R. China
| | - Jie Liu
- Science Experiment Center, China Medical University, Shenyang, 110122, P. R. China
| | - Yurong Kou
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, 110122, P. R. China. .,Department of Oral Biology, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, 110122, P. R. China.
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14
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Zeng Y, Fadaak A, Alomeir N, Wu TT, Rustchenko E, Qing S, Bao J, Gilbert C, Xiao J. Lactobacillus plantarum Disrupts S. mutans–C. albicans Cross-Kingdom Biofilms. Front Cell Infect Microbiol 2022; 12:872012. [PMID: 35392605 PMCID: PMC8980721 DOI: 10.3389/fcimb.2022.872012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 02/23/2022] [Indexed: 12/21/2022] Open
Abstract
Dental caries, an ecological dysbiosis of oral microflora, initiates from the virulent biofilms formed on tooth surfaces where cariogenic microorganisms metabolize dietary carbohydrates, producing acid that demineralizes tooth enamel. Forming cariogenic biofilms, Streptococcus mutans and Candida albicans are well-recognized and emerging pathogens for dental caries. Recently, probiotics have demonstrated their potential in treating biofilm-related diseases, including caries. However, limited studies have assessed their effect on cariogenic bacteria–fungi cross-kingdom biofilm formation and their underlying interactions. Here, we assessed the effect of four probiotic Lactobacillus strains (Lactobacillus rhamnosus ATCC 2836, Lactobacillus plantarum ATCC 8014, Lactobacillus plantarum ATCC 14917, and Lactobacillus salivarius ATCC 11741) on S. mutans and C. albicans using a comprehensive multispecies biofilm model that mimicked high caries risk clinical conditions. Among the tested probiotic species, L. plantarum demonstrated superior inhibition on the growth of C. albicans and S. mutans, disruption of virulent biofilm formation with reduced bacteria and exopolysaccharide (EPS) components, and formation of virulent microcolonies structures. Transcriptome analysis (RNA sequencing) further revealed disruption of S. mutans and C. albicans cross-kingdom interactions with added L. plantarum. Genes of S. mutans and C. albicans involved in metabolic pathways (e.g., EPS formation, carbohydrate metabolism, glycan biosynthesis, and metabolism) were significantly downregulated. More significantly, genes related to C. albicans resistance to antifungal medication (ERG4), fungal cell wall chitin remodeling (CHT2), and resistance to oxidative stress (CAT1) were also significantly downregulated. In contrast, Lactobacillus genes plnD, plnG, and plnN that contribute to antimicrobial peptide plantaricin production were significantly upregulated. Our novel study findings support further assessment of the potential role of probiotic L. plantarum for cariogenic biofilm control.
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Affiliation(s)
- Yan Zeng
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, United States
| | - Ahmed Fadaak
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, United States
| | - Nora Alomeir
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, United States
| | - Tong Tong Wu
- Department of Biostatistics and Computational Biology, University of Rochester Medical Center, Rochester, NY, United States
| | - Elena Rustchenko
- Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY, United States
| | - Shuang Qing
- University of Rochester River Campus, Rochester, NY, United States
| | - Jianhang Bao
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, United States
| | - Christie Gilbert
- Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, United States
| | - Jin Xiao
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, United States
- *Correspondence: Jin Xiao,
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15
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Ng E, Tay JRH, Saffari SE, Lim LP, Chung KM, Ong MMA. Adjunctive probiotics after periodontal debridement versus placebo: a systematic review and meta-analysis. Acta Odontol Scand 2022; 80:81-90. [PMID: 34197264 DOI: 10.1080/00016357.2021.1942193] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To comprehensively investigate the efficacy of adjunctive probiotics compared to placebo, using conventional and novel treatment outcomes. MATERIALS AND METHODS Three databases (MEDLINE, EMBASE, and CENTRAL) were searched. Outcomes included percent change in the total number of deep sites before and after therapy, change in mean probing pocket depth (mm), percentage patients requiring additional therapy, risk for disease progression, and microbiological and immunological results. Meta-analysis was conducted to evaluate treatment effects wherever appropriate. RESULTS Ten studies were selected from 818 records. Meta-analysis showed that adjunctive probiotics had no additional benefit for percentage change of the total number of deeper sites (≥5 mm, ≥6 mm, ≥7 mm) before and after therapy. No significant difference was observed for mean probing pocket depth reduction at 3 and 6 months. Statistically significant beneficial odds ratios for need for additional therapy (OR = 0.19, 95% CI [0.07-0.56]) and risk of disease progression (OR = 0.32, 95% CI [0.14-0.73]) were observed with probiotic administration. Immunological rather than microbiological outcomes correlated more consistently with clinical findings. No adverse events were reported. CONCLUSIONS Adjunctive probiotics are safe in systemically healthy individuals and could offer additional patient-level benefits compared to placebo, hence its use can sometimes be justified.
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Affiliation(s)
- Ethan Ng
- Discipline of Periodontics, Faculty of Dentistry, National University of Singapore, Singapore
- Department of Restorative Dentistry, National Dental Centre Singapore, Singapore
| | - John Rong Hao Tay
- Discipline of Periodontics, Faculty of Dentistry, National University of Singapore, Singapore
- Department of Restorative Dentistry, National Dental Centre Singapore, Singapore
| | | | - Lum Peng Lim
- Discipline of Periodontics, Faculty of Dentistry, National University of Singapore, Singapore
| | - Kong Mun Chung
- Discipline of Periodontics, Faculty of Dentistry, National University of Singapore, Singapore
| | - Marianne Meng Ann Ong
- Department of Restorative Dentistry, National Dental Centre Singapore, Singapore
- Oral Health Academic Clinical Programme, Duke-NUS Medical School, Singapore
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16
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Bakhshi M, Salari S, Almani PGN, Afshari SAK. Evaluation of the antifungal activity of Lactobacillus reuteri against Candida species. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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17
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Identification and characterization of Bacillus coagulans strains for probiotic activity and safety. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.112233] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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18
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Shivangi S, Devi PB, Ragul K, Shetty PH. Probiotic Potential of Bacillus Strains Isolated from an Acidic Fermented Food Idli. Probiotics Antimicrob Proteins 2021; 12:1502-1513. [PMID: 32266650 DOI: 10.1007/s12602-020-09650-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Present study is intended to assess the probiotic properties of Bacillus spp. isolated from idli batter, a traditional fermented food of Southern India and Sri Lanka. A total of 32 isolates were screened for potential pathogenic behaviour through haemolysis assay, DNase activity and antibiotics sensitivity. Two of the isolates were found to be potentially safe and identified as Bacillus spp. These strains were characterized for in vitro probiotic attributes and antioxidant activity. Both the strains showed strong acid and bile tolerance, transit tolerance, lysozyme tolerance, cell surface hydrophobicity, auto-aggregation, co-aggregation, biofilm formation potential and adhesion to human colon adenocarcinoma (HT 29) cell line demonstrating potential probiotic ability. These strains also exhibited considerable cholesterol binding, thermostability, β-galactosidase production, proteolytic, amylolytic and lipolytic activity. Cell-free supernatant inhibited the biofilm formation by Pseudomonas aeruginosa (KT266804) to 90%. Intact cells showed significant DPPH (41%), hydroxyl (31%), radical scavenging activity and lipid peroxidation inhibition (20.38%), while cell-free extracts exhibited significant superoxide anion radical scavenging activity (16.25%). Results revealed that isolates could be potential probiotic candidate after further assessment of in vivo probiotic properties and safety evaluation and could be utilised as starter cultures in functional foods.
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Affiliation(s)
- Sharma Shivangi
- Department of Food Science and Technology, Pondicherry University, Puducherry, 605014, India
| | - Palanisamy Bruntha Devi
- Department of Food Science and Technology, Pondicherry University, Puducherry, 605014, India
| | - Kessavane Ragul
- Department of Food Science and Technology, Pondicherry University, Puducherry, 605014, India
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19
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Ng E, Tay JRH, Ong MMA, Bostanci N, Belibasakis GN, Seneviratne CJ. Probiotic therapy for periodontal and peri-implant health - silver bullet or sham? Benef Microbes 2021; 12:215-230. [PMID: 34057054 DOI: 10.3920/bm2020.0182] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Probiotics are thought to be beneficial microbes that influence health-related outcomes through host immunomodulation and modulation of the bacteriome. Its reported success in the treatment of gastrointestinal disorders has led to further research on its potential applicability within the dental field due to similarities such as a polymicrobial aetiology and disease associated microbial-shifts. Although the literature is replete with studies demonstrating its efficacy, the use of probiotics in dentistry continues to polarise opinion. Here, we explore the evidence for probiotics and its effect on periodontal and peri-implant health. MEDLINE, EMBASE, and CENTRAL were systemically searched from June 2010 to June 2020 based on a formulated search strategy. Of 1,956 potentially relevant articles, we selected 27 double-blinded randomised clinical trials in the areas of gingivitis, periodontitis, residual pockets during supportive periodontal therapy, and peri-implant diseases, and reviewed their efficacy in these clinical situations. We observed substantial variation in treatment results and protocols between studies. Overall, the evidence for probiotic therapy for periodontal and peri-implant health appears unconvincing. The scarcity of trials with adequate power and follow-up precludes any meaningful clinical recommendations. Thus, the routine use of probiotics for these purposes are currently unsubstantiated. Further multi-centre trials encompassing a standardised investigation on the most promising strains and administration methods, with longer observation times are required to confirm the benefits of probiotic therapy for these applications.
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Affiliation(s)
- E Ng
- Department of Restorative Dentistry, National Dental Centre Singapore, 5 Second Hospital Ave, 168938, Singapore
| | - J R H Tay
- Department of Restorative Dentistry, National Dental Centre Singapore, 5 Second Hospital Ave, 168938, Singapore
| | - M M A Ong
- Department of Restorative Dentistry, National Dental Centre Singapore, 5 Second Hospital Ave, 168938, Singapore.,Oral Health Academic Clinical Programme, Duke-NUS Medical School, 8 College Road, 169857, Singapore
| | - N Bostanci
- Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, P.O. Box 4064, 14104 Huddinge, Sweden
| | - G N Belibasakis
- Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, P.O. Box 4064, 14104 Huddinge, Sweden
| | - C J Seneviratne
- Oral Health Academic Clinical Programme, Duke-NUS Medical School, 8 College Road, 169857, Singapore.,Singapore Oral Microbiomics Initiative, National Dental Research Institute Singapore, National Dental Centre Singapore, Second Hospital Ave, 168938, Singapore
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20
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Probiotic Properties and Immunomodulatory Activity of Lactobacillus Strains Isolated from Dairy Products. Microorganisms 2021; 9:microorganisms9040825. [PMID: 33924561 PMCID: PMC8069045 DOI: 10.3390/microorganisms9040825] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 01/09/2023] Open
Abstract
Lactobacilli species are an effective biotherapeutic alternative against bacterial infections and intestinal inflammatory disorders. However, it is important to evaluate their beneficial properties, before considering them as probiotics for medical use. In this study we evaluated some probiotic properties of Lactobacillus rhamnosus GG, Lactobacillus rhamnosus KLSD, Lactobacillus helveticus IMAU70129, and Lactobacillus casei IMAU60214 previously isolated from dairy products and as control Lactobacillus casei Shirota. Experimental evaluations revealed that all strains expressed hydrophobicity (25–40%), auto-aggregation (55–60%), NaCl tolerance (1–4%), adhesion to Caco-2 cells (25–33%), partial inhibition on adherence of Escherichia coli ATCC 35218, Salmonella Typhimurium ATCC 14028, and Staphylococcus aureus ATCC 23219. Cell-free supernatants (CFS) of Lactobacilli also inhibit growth of these pathogens. In immunomodulatory properties a reduction of interleukin-8 (IL-8) and nitric oxide (NO) release was observed in assays with Caco-2 cells stimulated with interleukin-1β (1 ng/mL), or lipopolysaccharide (0.1 µg/mL). On the other hand, the damage induced to Caco-2 cells with sodium dodecyl sulfate (SDS) was attenuated when the cultured cells were pretreated with L. rhamnosus KLDS, L. helveticus IMAU70129 and L. casei IMAU60214. These Lactobacilli possess probiotic properties determined by both an antagonistic activity on pathogenic bacteria and reduction in the inflammatory response of cells treated with SDS, a pro-inflammatory stimulant.
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21
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Rahne M, Basic A, Almståhl A. Explorative study on Lactobacillus species and their acid-producing capacity and anti-microbial activity in head and neck cancer patients. Clin Exp Dent Res 2021; 7:924-933. [PMID: 33787075 PMCID: PMC8543467 DOI: 10.1002/cre2.426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVE To determine acid-producing capacity and anti-microbial activity of Lactobacillus species collected pretreatment and post treatment in head and neck cancer patients. MATERIAL AND METHODS Lactobacillus isolates from 21 patients pretreatment and post treatment were identified using molecular methods. The patients' stimulated salivary secretion was determined pretreatment, and 6 and 12 months post treatment and caries lesions/new filled surfaces registered at 24 months post treatment. The acid-producing capacity of the Lactobacillus isolate was analyzed using a colorimetric fermentation test in microtiter plates. The anti-microbial activity of the isolates against Streptococcus mutans associated with caries, and against the mucosal pathogens Staphylococcus aureus, Candida albicans, and Enterococcus faecalis was analyzed by determining inhibitory zones on agar plates. RESULTS The most frequent species were L. paracasei (n = 21), L. casei/rhamnosus (n = 17) and L. fermentum (n = 10). Sixty-seven percent of the patients harbored L. paracasei either at 6 or 12 months post radiotherapy. The corresponding figures for L. casei/rhamnosus and L. fermentum were 62% and 33%. L. paracasei strains showed the best acid-producing capacity and L. fermentum strains the lowest. Strong acid-producing capacity was most common among isolates collected at 6 months post treatment. Seventy-two percent of the strains showed an anti-microbial activity against S. mutans, one strain against S. aureus and none against C. albicans or E. faecalis. CONCLUSION The most frequent species isolated from head and neck cancer patients both pretreatment and post treatment were L. paracasei, L. casei/rhamnosus, and L. fermentum. L. paracasei showed the best acid-producing capacity and the highest proportion with anti-microbial activity against S. mutans.
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Affiliation(s)
- Matilda Rahne
- Department of Oral Microbiology and Immunology, Institute of Odontology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Amina Basic
- Department of Oral Microbiology and Immunology, Institute of Odontology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Annica Almståhl
- Department of Oral Microbiology and Immunology, Institute of Odontology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
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22
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Afrin S, Akter S, Begum S, Hossain MN. The Prospects of Lactobacillus oris as a Potential Probiotic With Cholesterol-Reducing Property From Mother's Milk. Front Nutr 2021; 8:619506. [PMID: 33748173 PMCID: PMC7969506 DOI: 10.3389/fnut.2021.619506] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 02/08/2021] [Indexed: 12/17/2022] Open
Abstract
This experiment was conducted to characterize potential Lactobacillus spp. isolated from mother's milk and infant feces to obtain new and specific probiotic strains. In this study, seven ascendant strains were identified as Lactobacillus spp. based on their morphological characteristics and biochemical properties. Among them, only one (C-1) isolate was identified as Lactobacillus oris through BioLogTM identification. The study further investigated the isolate through probiotic potentiality tests such as pH and bile tolerance, NaCl tolerance test, gastric juice tolerance, antioxidant activity, resistance to hydrogen, reduction of sodium nitrate, antimicrobial activity, and antibiotic susceptibility test. The result showed that the strain is a potential probiotic based on probiotic capability. The identified strain was most acid-tolerant and retained around 80% viability for up to 4 h at pH 1.0 and 2.0. The isolate showed tolerance against up to 1.50% bile concentration and gastric juice and was able to grow 1-6% NaCl concentrations. Lactobacillus oris showed resistance to most antibiotics as well as antagonistic activity against the tested pathogen, good antioxidant properties, reduction of sodium nitrate and H2O2. The isolate exhibited good intestinal epithelial adhesion properties, and SDS page was performed for secreted protein analysis. Moreover, the strain showed promising cholesterol-lowering properties based on the cholesterol level. This present result indicates that L. oris has superior probiotic properties and can be regarded as a potential probiotic candidate.
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Affiliation(s)
- Sadia Afrin
- Institute of Food Science and Technology, Bangladesh Council of Scientific and Industrial Research, Dhaka, Bangladesh
| | - Suraiya Akter
- Department of Microbiology, Jagannath University, Dhaka, Bangladesh
| | - Shamima Begum
- Department of Microbiology, Jagannath University, Dhaka, Bangladesh
| | - Md Nur Hossain
- Institute of Food Science and Technology, Bangladesh Council of Scientific and Industrial Research, Dhaka, Bangladesh
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23
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He Y, Na R, Niu X, Xiao B, Yang H. Lactobacillus rhamnosus and Lactobacillus casei Affect Various Stages of Gardnerella Species Biofilm Formation. Front Cell Infect Microbiol 2021; 11:568178. [PMID: 33680986 PMCID: PMC7933028 DOI: 10.3389/fcimb.2021.568178] [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: 07/06/2020] [Accepted: 01/04/2021] [Indexed: 01/18/2023] Open
Abstract
Bacterial vaginosis (BV) and its recurrence are most commonly associated with the formation of Gardnerella species biofilm. Probiotics are typically used to treat BV; however, the optimal period of Lactobacillus probiotic application in BV treatment remains uncertain. The present study aimed to explore the effects of Lactobacillus rhamnosus and Lactobacillus casei on various stages of biofilm formation in Gardnerella species. The biofilm-forming ability of seven strains, including one Gardnerella vaginalis ATCC 14018 and six clinically isolated Gardnerella species, was determined via gentian violet staining assay. Moreover, the sensitivity of the planktonic and biofilm forms toward metronidazole and clindamycin was assessed via microdilution broth method. L. rhamnosus Xbb-LR-1 and L. casei Xbb-LC-1 were added during various stages of biofilm formation in Gardnerella species and were cocultured for 24 h. The biofilm thickness of each sample was determined via confocal laser scanning microscopy (CLSM). The absolute quantities of Gardnerella species in each sample was obtained via real time polymerase chain reaction method, and the pH value was obtained using a pH indicator paper. Biofilm formation by Gardnerella species in a medium with distinct pH values was observed via gentian violet staining, CLSM, and scanning electron microscopy (SEM). The biofilm increased the resistance of Gardnerella species toward metronidazole and clindamycin. L. rhamnosus added at the initial biofilm formation stage in Gardnerella species exhibited highest inhibitory effect, with a percentage inhibition of 38.17% ± 1.35%. When the pH value of the culture medium was <4.5 or >6.5, ATCC 14018 could hardly form a biofilm; however, at pH ≥4.5 and ≤6.5, it was able to form a stronger biofilm. The amount of biofilm attained maximum value at optical density of 3.29 ± 0.28 (595 nm), pH 5.5, and at 36 h. Biofilm formation increases the resistance of Gardnerella species toward antibiotics. Maintaining an acidic vaginal environment with pH <4.5 and a vaginal microbiota dominated by Lactobacillus remarkably prevents the formation of Gardnerella species biofilm at the initial stage, which further has a significant impact on the treatment and prevention of biofilm-related infections.
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Affiliation(s)
- Yuanhui He
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
| | - Risu Na
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
| | - Xiaoxi Niu
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
| | - Bingbing Xiao
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
| | - Huixia Yang
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
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Piwat S, Teanpaisan R, Manmontri C, Wattanarat O, Pahumunto N, Makeudom A, Krisanaprakornkit S, Nirunsittirat A. Efficacy of Probiotic Milk for Caries Regression in Preschool Children: A Multicenter Randomized Controlled Trial. Caries Res 2020; 54:491-501. [DOI: 10.1159/000509926] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 07/04/2020] [Indexed: 11/19/2022] Open
Abstract
This multicenter double-blind randomized controlled trial aimed to determine the efficacy of daily or triweekly consumption of reconstituted milk powder, containing <i>Lactobacillus paracasei</i>SD1, in preschool children for caries prevention. A 6-month intervention was conducted in 487 children (aged 37.6 ± 9.2 months) with ≤4 decayed teeth from 8 childcare centers. Using stratified block randomization, participants were randomly allocated into 3 groups, comprising: (1) daily probiotic, receiving probiotic milk once daily, (2) triweekly probiotic, randomly receiving probiotic milk 3 days a week and the placebo milk for the remaining 4 days, and (3) placebo, receiving milk without probiotics. Each tooth surface was assessed for caries status using the modified Nyvad criteria at baseline (T0), 6 (T6) and 12 (T12) months after T0. Study outcomes were caries transition, including caries progression and regression during the T0–T6, T6–T12 and T0–T12 periods. Negative binomial regression with a generalized linear model was used to estimate the caries outcomes, which were reported as incidence rate ratios (IRRs) and 95% confidence intervals (CIs). At baseline, caries prevalence and mean decayed surfaces were 81.9% and 7.29 ± 7.60, respectively. Three groups were balanced at baseline with an overall dropout rate of 25.2%. After adjusting for age, sex, and the number of noncavitated and cavitated caries at baseline, a decreased caries risk during T0–T6 was shown in both the daily and triweekly probiotic groups (adjusted IRR 0.83, 95% CI 0.72–0.96 in both groups) and during T0–T12 (adjusted IRR 0.84, 95% CI 0.76–0.94, and adjusted IRR 0.86, 95% CI 0.76–0.96, respectively) compared to the placebo group. In contrast, significantly increased regressive surfaces were demonstrated during T0–T6 by adjusted IRR 1.76 (95% CI 1.25–2.48) and 2.01 (95% CI 1.42–2.85) and during T0–T12 by adjusted IRR 1.98 (95% CI 1.50–2.61) and 1.92 (95% CI 1.45–2.55) for the daily and triweekly groups, respectively. In conclusion, probiotic milk consumption either daily or triweekly can modestly prevent new caries, but considerably reverse carious lesions, suggesting that a daily or triweekly dose interval is sufficient to reverse carious lesions.
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Influence of Probiotics on the Salivary Microflora Oral Streptococci and Their Integration into Oral Biofilm. Antibiotics (Basel) 2020; 9:antibiotics9110803. [PMID: 33202719 PMCID: PMC7697717 DOI: 10.3390/antibiotics9110803] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/05/2020] [Accepted: 11/10/2020] [Indexed: 02/07/2023] Open
Abstract
Probiotics’ ability to integrate into dental biofilms is not yet clarified. The aim of this trial was to detect probiotic bacteria from probiotic products in dental biofilm and saliva during and after intake. In this parallel, randomized clinical trial, 39 subjects wore customized appliances to build up intra-oral biofilms (72-h periods). The trial was divided into screening (S) to determine baseline biofilm flora, intervention (I), and wash out (WO). During I (28 days), subjects consumed a product containing (a) Enterococcus faecalis (b) Lactobacilluscasei, or (c) Lactobacillus rhamnosus GG. Probiotic bacteria and Streptococci spp. were detected in the biofilms and saliva of the 35 subjects that were included in the analysis. During I and WO, the ratio of probiotics in the biofilm was very low compared to total bacterial load, while saliva had slightly but not significantly higher values. No significant changes of probiotic bacteria (p > 0.05) were found at any visit during I or WO. The proportion of streptococci was significantly reduced (p < 0.05) during I and even lower in WO, compared to S. Probiotic bacteria could neither integrate nor persist in dental biofilm and saliva but did influence the growth of streptococci in biofilm and saliva.
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Thymol, cardamom and Lactobacillus plantarum nanoparticles as a functional candy with high protection against Streptococcus mutans and tooth decay. Microb Pathog 2020; 148:104481. [DOI: 10.1016/j.micpath.2020.104481] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/01/2020] [Accepted: 09/03/2020] [Indexed: 11/23/2022]
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Rose Jørgensen M, Thestrup Rikvold P, Lichtenberg M, Østrup Jensen P, Kragelund C, Twetman S. Lactobacillus rhamnosus strains of oral and vaginal origin show strong antifungal activity in vitro. J Oral Microbiol 2020; 12:1832832. [PMID: 33178403 PMCID: PMC7594750 DOI: 10.1080/20002297.2020.1832832] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/30/2020] [Accepted: 10/02/2020] [Indexed: 12/21/2022] Open
Abstract
Background: Intake of probiotic bacteria may prevent oral Candida infection. Objective: To screen the antifungal activity of 14 Lactobacillus candidate strains of human origin, against six opportunistic C. albicans and non-albicans species. A second aim was to study the acid production of the four strains showing the strongest antifungal activity. Methods: We used an agar overlay growth inhibition assay to the assess the antifungal activity of the lactobacilli. The acid-producing capacity was measured with pH micro-sensors. Results: All 14 Lactobacillus candidates inhibited the growth of the Candida spp. The four best-performing strains were L. rhamnosus DSM 32992 (oral origin), L. rhamnosus DSM 32991 (oral), L. jensenii 22B42 (vaginal), and L. rhamnosus PB01 (vaginal). The difference between L. rhamnosus DSM 32992 and the other three strains was statistically significant (p < 0.001). The Candida spp. differed in susceptibility; C. parapsilosis was highly inhibited, while C. krusei was not or slightly inhibited. The oral L. rhamnosus DSM 32992 and DSM 32991 strains showed the lowest pH-values. Conclusion: Screening of probiotic lactobacilli showed significant strain-dependent variations in their antifungal capacity in a pH-dependent mode. Two strains of oral origin were most effective. A further characterization seems justified to elaborate on their probiotic properties.
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Affiliation(s)
- Mette Rose Jørgensen
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Pernille Thestrup Rikvold
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Mads Lichtenberg
- Costerton Biofilm Center, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Peter Østrup Jensen
- Costerton Biofilm Center, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
- Department of Clinical Microbiology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Camilla Kragelund
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Svante Twetman
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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de Alvarenga JA, de Barros PP, de Camargo Ribeiro F, Rossoni RD, Garcia MT, Dos Santos Velloso M, Shukla S, Fuchs BB, Shukla A, Mylonakis E, Junqueira JC. Probiotic Effects of Lactobacillus paracasei 28.4 to Inhibit Streptococcus mutans in a Gellan-Based Formulation. Probiotics Antimicrob Proteins 2020; 13:506-517. [PMID: 32980974 DOI: 10.1007/s12602-020-09712-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/20/2020] [Indexed: 12/21/2022]
Abstract
Streptococcus mutans is considered to be a major bacterium involved in dental caries, and the control of virulence mechanisms is fundamental to prevent disease. Probiotics present a promising preventive method; however, the use of probiotics requires its incorporation into delivery materials to facilitate oral colonization. Thus, we performed a comprehensive study examining preventive effects of Lactobacillus paracasei 28.4-enriched gellan hydrogel materials to inhibit S. mutans in planktonic and biofilm states, addressing its influence in the production of extracellular polysaccharides (EPS) and altered gene expression of several cariogenic virulence factors. L. paracasei 28.4, a strain isolated from the oral cavity of a caries-free individual, was incorporated in three gellan hydrogels (0.5%, 0.75%, and 1% w/v). The pretreatment with probiotic-gellan formulations provided a release of L. paracasei cells over 24 h that was sufficient to inhibit the planktonic growth of S. mutans, independent of the gellan concentrations and pH variations. This pretreatment also had inhibitory activity against S. mutans biofilms, exhibiting a reduction of 0.57 to 1.54 log10 in CFU/mL (p < 0.0001) and a decrease of 68.8 to 71.3% in total biomass (p < 0.0001) compared with the control group. These inhibitory effects were associated with the decreased production of EPS by 80% (p < 0.0001) and the downregulation of luxS, brpA, gbpB, and gtfB genes. The gellan formulation containing L. paracasei 28.4 exhibited probiotic effects for preventing S. mutans growth, biofilm formation, and production of cariogenic factors to suggest possible use in tooth decay prevention.
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Affiliation(s)
- Janaína Araújo de Alvarenga
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University/UNESP, Av. Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
| | - Patrícia Pimentel de Barros
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University/UNESP, Av. Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil.
| | - Felipe de Camargo Ribeiro
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University/UNESP, Av. Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
| | - Rodnei Dennis Rossoni
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University/UNESP, Av. Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
| | - Maíra Terra Garcia
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University/UNESP, Av. Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
| | - Marisol Dos Santos Velloso
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University/UNESP, Av. Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
| | - Shashank Shukla
- School of Engineering, Brown University, Providence, RI, USA
| | - Beth Burgwyn Fuchs
- Rhode Island Hospital, Alpert Medical School & Brown University, Providence, RI, USA
| | - Anita Shukla
- School of Engineering, Brown University, Providence, RI, USA
| | - Eleftherios Mylonakis
- Rhode Island Hospital, Alpert Medical School & Brown University, Providence, RI, USA
| | - Juliana Campos Junqueira
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University/UNESP, Av. Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
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Ishikawa KH, Mita D, Kawamoto D, Nicoli JR, Albuquerque-Souza E, Lorenzetti Simionato MR, Mayer MPA. Probiotics alter biofilm formation and the transcription of Porphyromonas gingivalis virulence-associated genes. J Oral Microbiol 2020; 12:1805553. [PMID: 32944156 PMCID: PMC7482675 DOI: 10.1080/20002297.2020.1805553] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background and Objective The potential of probiotics on the prevention and control of periodontitis and other chronic inflammatory conditions has been suggested. Lactobacillus and Bifidobacterium species influence P. gingivalis interaction with gingival epithelial cells (GECs) but may not act in a unique way. In order to select the most appropriate probiotic against P. gingivalis, we aimed to evaluate the effect of several strains on Porphyromonas gingivalis biofilm formation and transcription virulence-associated factors (PgVAFs). Methods Cell-free pH neutralized supernatants (CFS) and living Lactobacillus spp. and Bifidobacterium spp. were tested against P. gingivalis ATCC 33277 and W83, in mono- and multi-species (with Streptococcus oralis and S. gordonii) biofilms. Relative transcription of P. gingivalis genes (fimA, mfa1, kgp, rgp, ftsH and luxS) was determined in biofilms and under GECs co-infection. Results Probiotics CFS reduced P. gingivalis ATCC 33277 levels in mono-species biofilms and living probiotics reduced P. gingivalis abundance in multi-species biofilms. L. acidophilus LA5 down-regulated transcription of most PgVAFs in biofilms and GECs. Conclusions Probiotics affect P. gingivalis biofilm formation by down-regulating overall PgVAFs with the most pronounced effect observed for L. acidophilus LA5.
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Affiliation(s)
- Karin Hitomi Ishikawa
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Daniela Mita
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Dione Kawamoto
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Jacques Robert Nicoli
- Department of Microbiology, Biological Science Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Emmanuel Albuquerque-Souza
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.,Division of Periodontics, Department of Stomatology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | | | - Marcia Pinto Alves Mayer
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.,Division of Periodontics, Department of Stomatology, School of Dentistry, University of São Paulo, São Paulo, Brazil
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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: 40] [Impact Index Per Article: 10.0] [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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Salari S, Ghasemi Nejad Almani P. Antifungal effects of Lactobacillus acidophilus and Lactobacillus plantarum against different oral Candida species isolated from HIV/ AIDS patients: an in vitro study. J Oral Microbiol 2020; 12:1769386. [PMID: 32922676 PMCID: PMC7448839 DOI: 10.1080/20002297.2020.1769386] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Oropharyngeal Candidiasis (OPC) is an opportunistic fungal infection occurring in immunocompromised patients such as HIV/AIDS. The purpose of this study was to evaluate the antifungal properties of Lactobacillus acidophilus and Lactobacillus plantarum on different Candida species isolated from oral cavity of HIV/AIDS patients compared to Fluconazole (FLC). In this study, the antifungal effects of both cells and cell-free supernatants (CFSs) of L. acidophilus and L. plantarum were investigated against different oral Candida species by co-aggregation, agar overlay interference and broth microdilution assays, respectively. Our results showed that the highest co-aggregation ratio of the two tested Lactic acid bacteria (LAB) was observed for C. krusei. Both L. acidophilus and L. plantarum at cell concentrations 1010 to 102 cfu/ml were able to inhibit the growth of most of the oral Candida species, except for C. albicans, and to some C. krusei. In this study, MIC and MFC values for CFS of L. acidophilus ranged from 100 to 200 µl/ml and 100 to 200 µl/ml, respectively, and MIC and MFC values for CFS of L. plantarum were 50 to 200 µl/ml and 50 to 200 µl/ml, respectively. The ranges of MIC and MFC for FLC were 256-1024 µg/ml and 512-2048 µg/ml, respectively. C. albicans and C. parapsilosis displayed the highest and least susceptibility to CFSs of two LAB, respectively. Our findings showed that both cells and CFSs of L. acidophilus and L. plantarum had antifungal effects against oral Candida species.
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Affiliation(s)
- Samira Salari
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman, Iran.,Students Research Committee, Kerman University of Medical Sciences, Kerman, Iran.,Department of Medical Parasitology and Mycology, Kerman University of Medical Sciences, Kerman, Iran
| | - Pooya Ghasemi Nejad Almani
- Students Research Committee, Kerman University of Medical Sciences, Kerman, Iran.,Department of Medical Parasitology and Mycology, Kerman University of Medical Sciences, Kerman, Iran.,Leishmaniasis Research Center, Kerman University of Medical Sciences, Kerman, Iran
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Bijle MN, Neelakantan P, Ekambaram M, Lo ECM, Yiu CKY. Effect of a novel synbiotic on Streptococcus mutans. Sci Rep 2020; 10:7951. [PMID: 32409686 PMCID: PMC7224275 DOI: 10.1038/s41598-020-64956-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 04/22/2020] [Indexed: 12/21/2022] Open
Abstract
We examined the effect of L-arginine - (i) on the growth of L. rhamnosus GG (LrG) and (ii) combined LrG synbiotic on the growth of cariogenic S. mutans. Viability of LrG was assessed using MTT/XTT assays, confocal imaging with ADS activity measurement. The effect of L-arginine (0.5%/1%/2%) (2×/24 h) with LrG on S. mutans was evaluated by measuring the colony forming units, biofilm biomass, real-time qPCR and confocal imaging. The pH of the spent media was measured immediately and 24 h post-treatment with assessment of lactic acid. The LrG viability was highest with 2% L-arginine (p < 0.001). Confocal imaging showed that 2% L-arginine increased biofilm thickness of LrG. The 2% L-arginine and LrG synbiotic significantly inhibited the growth of S. mutans (p < 0.001) reducing the viable counts (p = 0.002) and biofilm biomass (p < 0.001). The pH of spent media was the highest when treated with 2% L-arginine and LrG synbiotic (p < 0.001) with no difference between post-treatment and 24 h post-treatment (p > 0.05). Conversely, the 2% L-arginine and LrG synbiotic showed the lowest lactic acid production (p < 0.001). This study demonstrated that L-arginine enhanced the growth of LrG. The 2% L-arginine and LrG synbiotic synergistically inhibits the growth of S. mutans with significant potential to develop as an anti-caries regimen.
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Affiliation(s)
- Mohammed Nadeem Bijle
- Paediatric Dentistry, Faculty of Dentistry, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Prasanna Neelakantan
- Endodontology, Faculty of Dentistry, The University of Hong Kong, Pok Fu Lam, Hong Kong.
| | - Manikandan Ekambaram
- Paediatric Dentistry, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
| | - Edward C M Lo
- Dental Public Health, Faculty of Dentistry, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Cynthia Kar Yung Yiu
- Paediatric Dentistry, Faculty of Dentistry, The University of Hong Kong, Pok Fu Lam, Hong Kong.
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Barzegari A, Kheyrolahzadeh K, Hosseiniyan Khatibi SM, Sharifi S, Memar MY, Zununi Vahed S. The Battle of Probiotics and Their Derivatives Against Biofilms. Infect Drug Resist 2020; 13:659-672. [PMID: 32161474 PMCID: PMC7049744 DOI: 10.2147/idr.s232982] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 02/06/2020] [Indexed: 01/08/2023] Open
Abstract
Biofilm-related infections have been a major clinical problem and include chronic infections, device-related infections and malfunction of medical devices. Since biofilms are not fully available for the human immune system and antibiotics, they are difficult to eradicate and control; therefore, imposing a global threat to human health. There have been avenues to tackle biofilms largely based on the disruption of their adhesion and maturation. Nowadays, the use of probiotics and their derivatives has gained a growing interest in battling against pathogenic biofilms. In the present review, we have a close look at probiotics with the ultimate objective of inhibiting biofilm formation and maturation. Overall, insights into the mechanisms by which probiotics and their derivatives can be used in the management of biofilm infections would be warranted.
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Affiliation(s)
- Abolfazl Barzegari
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Keyvan Kheyrolahzadeh
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
- Azad University, Tabriz, Iran
| | | | - Simin Sharifi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Yousef Memar
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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In vitro inhibitory effect of two commercial probiotics on chromogenic actinomycetes. Eur Arch Paediatr Dent 2020; 21:673-677. [PMID: 32034698 DOI: 10.1007/s40368-020-00512-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 01/29/2020] [Indexed: 10/25/2022]
Abstract
PURPOSE Black extrinsic discoloration is a common clinical and aesthetic problem. This study aims to evaluate the potential in vitro antagonistic activity of two commercial probiotics, Streptococcus salivarius M18 and Lactobacillus reuteri ProDentis, against microorganisms associated with black stains. METHODS Streptococcus salivarius M18 and Lactobacillus reuteri were tested against Aggregatibacter actinomycetemcomitans and Actinomyces naeslundiiusing their cell-free fermentative broth in a planktonic growth inhibition test. RESULTS Both probiotic cell-free supernatants showed the ability to reduce the pathogenic bacteria growth in a dose-dependent way. Streptococcus salivarius M18 showed a stronger antimicrobial activity than Lactobacillus reuteri ProDentis against the two indicator strains used. A. naeslundi was less susceptible to the probiotic activity of both S. salivarius and L. reuteri compared to A. actinomycetemcomitans. CONCLUSIONS The obtained results demonstrate a potent antagonistic ability of probiotics to reduce the growth of microorganisms associated with black tooth stains. Therefore, these strains could be evaluated for a therapeutic use against dental pigmentations.
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Berkes E, Liao YH, Neef D, Grandalski M, Monsul N. Potentiated In Vitro Probiotic Activities of Lactobacillus fermentum LfQi6 Biofilm Biomass Versus Planktonic Culture. Probiotics Antimicrob Proteins 2019; 12:1097-1114. [PMID: 31828607 DOI: 10.1007/s12602-019-09624-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
In this study, we describe enhanced in vitro probiotic activities of preformed biofilms versus planktonic cultures of Lactobacillus fermentum LfQi6 (LfQi6), a lactic acid bacterium (LAB) isolated from the human microbiome. These evaluations are used to help predict host in vivo probiotic benefits and therefore indicate that LfQi6 may provide significant probiotic benefits in the human host when administered as preformed biofilms rather than as planktonic cultures. Specifically, LfQi6 biofilms demonstrated improved in vitro performance versus LfQi6 planktonic cultures for host gastrointestinal survival and engraftment, strain-specific antimicrobial and anti-biofilm activity against clinically significant pathogens, concurrent promotion of beneficial gastrointestinal commensal biofilms, beneficial commensal enzyme activities, and host cellular-protective glutathione antioxidant activity. Evaluation of LfQi6 according to the European Food Safety Authority (EFSA 2007, 2012, 2015) Guidelines and Joint FAO/WHO Expert Consultation on Evaluation of Health and Nutritional Properties of Probiotics in Food Evaluation of Probiotics in Food (FAO/WHO, 2002) demonstrates strain safety. In summary, in vitro evaluation of Lact. fermentum LfQi6 demonstrates significant evidence for strain-specific probiotic characteristics and safety. Moreover, strain-specific as well as biofilm-phenotype-specific benefits demonstrated in vitro furthermore suggest that in vivo use of LfQi6 biofilm biomass may be of greater benefit to the human host than the use of standard planktonic cultures. This concept - potentiating probiotic benefits through the use of preformed commensal biofilms - is novel and may serve to further broaden the application of microbial biofilms to human health.
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Affiliation(s)
- Eva Berkes
- Quorum Innovations, LLC, 2068 Hawthorne Street, Sarasota, FL, 34239, USA.
- Florida State University College of Medicine Clerkship Faculty Sarasota Regional Campus, Sarasota, FL, USA.
| | - Yu-Hsien Liao
- Quorum Innovations, LLC, 2068 Hawthorne Street, Sarasota, FL, 34239, USA
| | - Daniel Neef
- Quorum Innovations, LLC, 2068 Hawthorne Street, Sarasota, FL, 34239, USA
| | - Michael Grandalski
- Quorum Innovations, LLC, 2068 Hawthorne Street, Sarasota, FL, 34239, USA
| | - Nicholas Monsul
- Quorum Innovations, LLC, 2068 Hawthorne Street, Sarasota, FL, 34239, USA
- Florida State University College of Medicine Clerkship Faculty Sarasota Regional Campus, Sarasota, FL, USA
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Ng ZJ, Zarin MA, Lee CK, Phapugrangkul P, Tan JS. Isolation and characterization of Enterococcus faecium DSM 20477 with ability to secrete antimicrobial substance for the inhibition of oral pathogen Streptococcus mutans UKMCC 1019. Arch Oral Biol 2019; 110:104617. [PMID: 31794906 DOI: 10.1016/j.archoralbio.2019.104617] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 11/12/2019] [Accepted: 11/14/2019] [Indexed: 11/15/2022]
Abstract
Streptococcus mutans and Candida albicans are the main oral pathogens which contribute to dental caries that affects all ages of human being. OBJECTIVES This study focuses on the potential of crude cell free supernatant (CCFS) from lactic acid bacteria (LAB) to inhibit of the growth of S. mutans UKMCC 1019. DESIGN A total of 61 CCFS from LAB strains were screened for their inhibitory ability against S. mutans UKMCC 1019 by broth microdilution method. The selected LAB with highest antimicrobial activity was identified and its CCFS was characterized for pH stability, temperature tolerance, enzyme sensitivity, metabolism of carbohydrates, enzymatic activities and antimicrobial activity against S. mutans UKMCC 1019 and C. albicans UKMCC 3001 by well diffusion assay. The effect of CCFS on cell structure of S. mutans UKMCC 1019 was observed under transmission electron microscopy (TEM). RESULTS The CCFS from isolate CC2 from Kimchi showed the highest inhibition against S. mutans UKMCC 1019, which was 76.46 % or 4406.08 mm2/mL and it was identified to be most closely related to Enterococcus faecium DSM 20477 based on 16 s rRNA sequencing. The CCFS of E. faecium DSM 20477 had high tolerance to acidic and alkaline environment as well as high temperature. It also shows high antifungal activities against C. albicans UKMCC 3001 with 2362.56 mm2/mL. Under TEM, the cell walls and the cytoplasm membrane of S. mutans UKMCC 1019 were disrupted by the antimicrobial substance, causing cell lysis. CONCLUSIONS Hence, the CCFS from E. faecium DSM 20477 is a potential bacteriocin in future for the treatment of dental caries.
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Affiliation(s)
- Zhang Jin Ng
- Bioprocess Technology, School of Industrial Technology, Universiti Sains Malaysia, 11800, Gelugor, Pulau Pinang, Malaysia
| | - Mazni Abu Zarin
- Bioprocess Technology, School of Industrial Technology, Universiti Sains Malaysia, 11800, Gelugor, Pulau Pinang, Malaysia
| | - Chee Keong Lee
- Bioprocess Technology, School of Industrial Technology, Universiti Sains Malaysia, 11800, Gelugor, Pulau Pinang, Malaysia
| | | | - Joo Shun Tan
- Bioprocess Technology, School of Industrial Technology, Universiti Sains Malaysia, 11800, Gelugor, Pulau Pinang, Malaysia.
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Pelekos G, Ho SN, Acharya A, Leung WK, McGrath C. A double‐blind, paralleled‐arm, placebo‐controlled and randomized clinical trial of the effectiveness of probiotics as an adjunct in periodontal care. J Clin Periodontol 2019; 46:1217-1227. [DOI: 10.1111/jcpe.13191] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 08/21/2019] [Indexed: 12/01/2022]
Affiliation(s)
- George Pelekos
- Faculty of Dentistry The University of Hong Kong Hong Kong SAR China
| | - Sze Nga Ho
- Faculty of Dentistry The University of Hong Kong Hong Kong SAR China
| | - Aneesha Acharya
- Faculty of Dentistry The University of Hong Kong Hong Kong SAR China
- Dr D Y Patil Dental College and Hospital Pune India
| | - Wai Keung Leung
- Faculty of Dentistry The University of Hong Kong Hong Kong SAR China
| | - Colman McGrath
- Faculty of Dentistry The University of Hong Kong Hong Kong SAR China
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In Vitro Probiotic Properties and DNA Protection Activity of Yeast and Lactic Acid Bacteria Isolated from A Honey-Based Kefir Beverage. Foods 2019; 8:foods8100485. [PMID: 31614798 PMCID: PMC6835213 DOI: 10.3390/foods8100485] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 09/30/2019] [Accepted: 10/04/2019] [Indexed: 01/20/2023] Open
Abstract
The probiotic characteristics of three acid-tolerant microbial strains, viz.,Lactobacillus satsumensis LPBF1, Leuconostoc mesenteroides LPBF2 and Saccharomyes cerevisiae LPBF3, isolated from a honey-based kefir functional beverage, were studied following the requirements established by the Food and Agriculture Organization of the United Nation/World Health Organization (FAO/WHO), including host-associated stress resistance, epithelium adhesion ability, and antimicrobial activity. The three microbial strains tolerated different pH values (2.0, 3.0, 4.0 and 7.0) and bile salt concentrations (0.3% and 0.6%), and survive in the presence of simulated gastric juice, which are conditions imposed by the gastrointestinal tract. In addition, they showed high percentages of hydrophobicity, auto aggregation and anti-pathogenic against Escherichia coli and Staphylococcus aureus, with no hemolytic activity. The protective capacity of human DNA through microbial treatment was investigated by single-cell gel electrophoresis (SCGE) comet assay. The three selected strains showed DNA protection effect against damage caused by hydroxyl radical (H2O2). However, when the S. cerevisiae treatment was applied, the most effective DNA protection index was observed, which can be associated to its high production of extracellular antioxidants as reveled by the 2,2-diphenyl-1-picryl-hydrazylhydrate (DPPH) method. These results indicated that the three selected microbial strains could be useful for preventing oxidative DNA damage and cellular oxidation in food products. As well-adapted microbial cells, the selected strains can be used for production of non-dairy functional beverages, especially for vegans and/or vegetarians and lactose intolerants.
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Functional Probiotic Assessment and In Vivo Cholesterol-Lowering Efficacy of Weissella sp. Associated with Arid Lands Living-Hosts. BIOMED RESEARCH INTERNATIONAL 2018; 2018:1654151. [PMID: 30539003 PMCID: PMC6261067 DOI: 10.1155/2018/1654151] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 11/05/2018] [Indexed: 01/21/2023]
Abstract
The research and the selection of novel probiotic strains from novel niches are receiving increased attention on their proclaimed health benefits to both humans and animals. This study aimed to evaluate the functional properties of Weissella strains from arid land living-hosts and to select strains with cholesterol-lowering property in vitro and in vivo, for use as probiotics. They were assessed for acid and bile tolerance, antibiotic susceptibility, membrane properties, antibacterial activity, antiadhesive effect against pathogens to host cell lines, and cholesterol assimilation in vitro. Our results showed that the majority of strains revealed resistance to gastrointestinal conditions. All the strains were nonhemolytic and sensitive to most of the tested antibiotics. They also exhibited high rates of autoaggregation and some of them showed high coaggregation with selected pathogens and high adhesion ability to two different cell lines (Caco-2 and MIM/PPk). Particularly, W. halotolerans F99, from camel feces, presented a broad antibacterial spectrum against pathogens, reduced Enterococcus faecalis and Escherichia coli adhesion to Caco-2 cells, and was found to reduce, in vitro, the cholesterol level by 49 %. Moreover, W. halotolerans F99 was evaluated for the carbohydrate utilization as well as the serum lipid metabolism effect in Wistar rats fed a high-cholesterol diet. W. halotolerans F99 showed an interesting growth on different plant-derivative oligosaccharides as sole carbon sources. Compared with rats fed a high-fat (HF) diet without Weissella administration, total serum cholesterol, low-density lipoprotein cholesterol, and triglycerides levels were significantly (p<0.001) reduced in W. halotolerans F99-treated HF rats, with no significant change in high-density lipoprotein cholesterol HDL-C levels. On the basis of these results, this is the first study to report that W. halotolerans F99, from camel feces, can be developed as cholesterol-reducing probiotic strain. Further studies may reveal their potential and possible biotechnological and probiotic applications.
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Sharma S, Kandasamy S, Kavitake D, Shetty PH. Probiotic characterization and antioxidant properties of Weissella confusa KR780676, isolated from an Indian fermented food. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.06.033] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Rossoni RD, Velloso MDS, de Barros PP, de Alvarenga JA, Santos JDD, Santos Prado ACCD, Ribeiro FDC, Anbinder AL, Junqueira JC. Inhibitory effect of probiotic Lactobacillus supernatants from the oral cavity on Streptococcus mutans biofilms. Microb Pathog 2018; 123:361-367. [PMID: 30053602 DOI: 10.1016/j.micpath.2018.07.032] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 07/23/2018] [Accepted: 07/23/2018] [Indexed: 12/11/2022]
Abstract
Probiotics can release bioactive substances that can inhibit the growth and biofilm formation of pathogenic microorganisms such as Streptococcus mutans. In this context, we evaluated whether the supernatants of Lactobacillus strains isolated from caries-free subjects can inhibit S. mutans, one of the most important bacteria for dental caries. First, the supernatants of 22 Lactobacillus strains were screened for antibacterial activity against S. mutans in planktonic cultures. All 22 Lactobacillus strains studied (100%) showed antibacterial activity. Thereafter, the Lactobacillus strains with the greatest reductions in the planktonic S. mutans cultures were tested on biofilms. The L. fermentum 20.4, L. paracasei 11.6, L. paracasei 20.3 and L. paracasei 25.4 strains could significantly reduce the number of S. mutans cells in biofilms formed in hydroxyapatite (p < 0.05). This reduction was also confirmed by scanning electron microscopy analysis and was not caused by the decreased pH value in the medium (p > 0.05). In addition, the supernatants of these probiotic strains could also reduce the total biomass of S. mutans biofilms (p < 0.05). In conclusion, most of the Lactobacillus strains tested have some antibacterial activity against S. mutans. L. fermentum 20.4, L. paracasei 11.6, L. paracasei 20.3 and L. paracasei 25.4 produce bioactive substances that caused a significant reduction in S. mutans biofilms.
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Affiliation(s)
- Rodnei Dennis Rossoni
- Department of Biosciences and Oral Diagnosis, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, São Paulo, Brazil.
| | - Marisol Dos Santos Velloso
- Department of Biosciences and Oral Diagnosis, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, São Paulo, Brazil.
| | - Patrícia Pimentel de Barros
- Department of Biosciences and Oral Diagnosis, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, São Paulo, Brazil.
| | - Janaina Araújo de Alvarenga
- Department of Biosciences and Oral Diagnosis, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, São Paulo, Brazil.
| | - Jéssica Diane Dos Santos
- Department of Biosciences and Oral Diagnosis, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, São Paulo, Brazil.
| | | | - Felipe de Camargo Ribeiro
- Department of Biosciences and Oral Diagnosis, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, São Paulo, Brazil.
| | - Ana Lia Anbinder
- Department of Biosciences and Oral Diagnosis, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, São Paulo, Brazil.
| | - Juliana Campos Junqueira
- Department of Biosciences and Oral Diagnosis, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, São Paulo, Brazil.
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Bourgeois D, David A, Inquimbert C, Tramini P, Molinari N, Carrouel F. Quantification of carious pathogens in the interdental microbiota of young caries-free adults. PLoS One 2017; 12:e0185804. [PMID: 29016613 PMCID: PMC5634565 DOI: 10.1371/journal.pone.0185804] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Accepted: 09/19/2017] [Indexed: 11/06/2022] Open
Abstract
Background The majority of caries lesions in adults occur on the proximal tooth surfaces of the posterior teeth. A comprehensive study of the composition of the oral microbiota is fundamental for a better understanding of the etiology of interdental caries. Methods Twenty-five caries-free subjects (20–35 years old) were enrolled in the study. The interdental biofilm of four interdental sites were collected. The real-time polymerase chain reaction (PCR) methodology were used to quantify (i) the following bacteria: Streptococcus spp., Streptococcus mutans, Lactobacillus spp., Enterococcus spp., and Enterococcus faecalis; (ii) the fungus Candida albicans; and (iii) total bacteria. Results Streptococcus spp. was the most abundant species, followed by Lactobacillus spp. and Enterococcus spp. Streptococcus spp. and Lactobacillus spp. were detected at all tested sites and Enterococcus spp. at 99% of sites. S. mutans was detected at only 28% of the tested sites and C. albicans was detected at 11% of sites. E. faecalis was never detected. In 54.5% of the biofilm inhabited by C. albicans, S. mutans was present. Moreover, 28% of the ID sites co-expressed S. mutans and Lactobacillus spp. The studied pathogens were organized into two correlated groups of species. Strikingly, the fungus C. albicans and the bacteria Enterococcus spp. cluster together, whereas Streptococcus spp., S. mutans and Lactobacillus spp. form one distinct cluster. Conclusion The interdental biofilm of young caries-free adults is comprised of pathogens that are able to induce interproximal caries. That several of these pathogens are implicated in heart disease or other systemic diseases is an argument for the disruption of interdental biofilms using daily oral hygiene.
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Affiliation(s)
- Denis Bourgeois
- Laboratory "Systemic Health Care" EA4129, University Lyon 1, Lyon, France
- Department of Prevention and Public Health, Faculty of Dentistry, University Lyon 1, Lyon, France
- * E-mail:
| | - Alexandra David
- Laboratory "Systemic Health Care" EA4129, University Lyon 1, Lyon, France
| | - Camille Inquimbert
- Laboratory "Systemic Health Care" EA4129, University Lyon 1, Lyon, France
| | - Paul Tramini
- Department of Dental Public Health, University of Montpellier, Montpellier, France
| | - Nicolas Molinari
- Service DIM, CHU de Montpellier, UMR 5149 IMAG, University of Montpellier, Montpellier, France
| | - Florence Carrouel
- Laboratory "Systemic Health Care" EA4129, University Lyon 1, Lyon, France
- Department Basic and Clinical Biological Sciences, Faculty of Dentistry, University Lyon 1, Lyon, France
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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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Lin YTJ, Chou CC, Hsu CYS. Effects of Lactobacillus casei Shirota intake on caries risk in children. J Dent Sci 2017; 12:179-184. [PMID: 30895045 PMCID: PMC6395271 DOI: 10.1016/j.jds.2016.09.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 09/08/2016] [Accepted: 09/13/2016] [Indexed: 12/13/2022] Open
Abstract
Background/purpose Yakult is a well-known probiotic beverage consisting of a single live bacterial species, Lactobacillus casei Shirota. However, the potential cariogenic/cariostatic effects of Yakult intake among children have not been studied yet. Hence, this study aimed to investigate the clinical effects of short-term Yakult intake on oral biofilm acidogenicity, cariogenic bacterial counts, and caries risk in children. Materials and methods Eighteen children, 7–11 years of age, consumed standard Yakult daily for 7 days. Prior to and after intervention, functional oral biofilm acidogenicity characterized by the Stephan curve, Lactobacillus and Streptococcus mutans counts, and caries risk were determined. Results Probiotic intervention demonstrated significant increase in minimum pH from 4.88 to 5.14 (P = 0.02), 18.2% reduction in area under the Stephen curve [area under the curve (AUC)], and 29.3% decrease in pH recovery time, although these two differences were not statistically significant. No difference was observed in S. mutans and Lactobacillus counts or caries risk after intervention (all P > 0.05). However, on subgroup analysis using “reduction of AUC” to separate “responders” from the “nonresponders”, the significant cariostatic effects on oral biofilm acidogenicity, among “responders”, were revealed by an increase in minimum pH (P = 0.005) and a reduction in pH recovery time (P = 0.003). Conclusion There may be a potential cariostatic effect of short-term Yakult intake in reducing functional biofilm acidogenicity in children with certain oral biofilm and risk profile. Further studies may be needed to validate this probiotic effect. Quality risk assessment may be critical prior to prescribing/recommending Yakult as an adjunct caries-preventive treatment for children.
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Affiliation(s)
- Yng-Tzer Joseph Lin
- Pediatric Dentistry, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taiwan
| | - Chein-Chin Chou
- Pediatric Dentistry, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taiwan
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Jørgensen MR, Kragelund C, Jensen PØ, Keller MK, Twetman S. Probiotic Lactobacillus reuteri has antifungal effects on oral Candida species in vitro. J Oral Microbiol 2017; 9:1274582. [PMID: 28326154 PMCID: PMC5328390 DOI: 10.1080/20002297.2016.1274582] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 12/14/2016] [Accepted: 12/16/2016] [Indexed: 12/18/2022] Open
Abstract
Background: An alternative approach for managing Candida infections in the oral cavity by modulating the oral microbiota with probiotic bacteria has been proposed. Objective: The aim was to investigate the antifungal potential of the probiotic bacterium Lactobacillus reuteri (DSM 17938 and ATCC PTA 5289) against six oral Candida species (C. albicans, C. glabrata, C. krusei, C. tropicalis, C. dubliniensis, and C. parapsilosis).
Design: The lactobacilli were tested for their ability to co-aggregate with and inhibit the growth of the yeasts assessed by spectrophotometry and the agar overlay inhibition assay. Additionally, the pH was evaluated with microsensors, and the production of hydrogen peroxide (H2O2) by the lactobacilli was verified. Results: Both L. reuteri strains showed co-aggregation abilities with the yeasts. The lactobacilli almost completely inhibited the growth of C. albicans and C. parapsilosis, but did not affect C. krusei. Statistically significant differences in co-aggregation and growth inhibition capacities between the two L. reuteri strains were observed (p<0.001). The pH measurements suggested that C. krusei can resist the acids produced by the lactobacilli. Conclusions:L. reuteri exhibited antifungal properties against five of the six most common oral Candida species. Further, the results reconfirms that the probiotic capacity of L. reuteri is strain specific.
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Affiliation(s)
- Mette Rose Jørgensen
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
| | - Camilla Kragelund
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
| | | | - Mette Kirstine Keller
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
| | - Svante Twetman
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
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Complete genome sequence of probiotic Lactobacillus reuteri ZLR003 isolated from healthy weaned pig. J Biotechnol 2016; 228:69-70. [DOI: 10.1016/j.jbiotec.2016.04.044] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 04/25/2016] [Indexed: 11/22/2022]
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47
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Jiang Q, Stamatova I, Kari K, Meurman JH. Inhibitory activity in vitro of probiotic lactobacilli against oral Candida under different fermentation conditions. Benef Microbes 2016; 6:361-8. [PMID: 25380800 DOI: 10.3920/bm2014.0054] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Clinical studies have shown that probiotics positively affect oral health by decreasing gum bleeding and/or reducing salivary counts of certain oral pathogens. Our aim was to investigate the inhibitory effect of six probiotic lactobacilli against opportunistic oral Candida species. Sugar utilisation by both lactobacilli and Candida was also assessed. Agar overlay assay was utilised to study growth inhibition of Candida albicans, Candida glabrata and Candida krusei by Lactobacillus rhamnosus GG, Lactobacillus casei Shirota, Lactobacillus reuteri SD2112, Lactobacillus brevis CD2, Lactobacillus bulgaricus LB86 and L. bulgaricus LB Lact. The inhibitory effect was measured at pH 5.5, 6.4, and 7.2, respectively, and in the presence of five different carbohydrates in growth medium (glucose, fructose, lactose, sucrose, and sorbitol). Growth and final pH values were measured at two-hour time points to 24 h. L. rhamnosus GG showed the strongest inhibitory activity in fructose and glucose medium against C. albicans, followed by L. casei Shirota, L. reuteri SD2112 and L. brevis CD2. None of the lactobacilli tested affected the growth of C. krusei. Only L. rhamnosus GG produced slight inhibitory effect on C. glabrata. The lower pH values led to larger inhibition zones. Sugar fermentation profiles varied between the strains. L. casei Shirota grew in the presence of all sugars tested, whereas L. brevis CD2 could utilise only glucose and fructose. All Candida species metabolised the available sugars but the most rapid growth was observed with C. glabrata. The results suggest that commercially available probiotics differ in their inhibitory activity and carbohydrate utilisation; the above properties are modified by different pH values and sugars with more pronounced inhibition at lower pH.
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Affiliation(s)
- Q Jiang
- Institute of Dentistry, University of Helsinki, P.O. Box 41, 00014 Helsinki, Finland
| | - I Stamatova
- Institute of Dentistry, University of Helsinki, P.O. Box 41, 00014 Helsinki, Finland Faculty of Dental Medicine, Medical University of Plovdiv, 26 Vasil Aprilov, 4000 Plovdiv, Bulgaria
| | - K Kari
- Institute of Dentistry, University of Helsinki, P.O. Box 41, 00014 Helsinki, Finland
| | - J H Meurman
- Institute of Dentistry, University of Helsinki, P.O. Box 41, 00014 Helsinki, Finland Institute of Dentistry, University of Helsinki, Department of Oral and Maxillofacial Diseases, Helsinki University Central Hospital, P.O. Box 263, 00029 Hus, Helsinki, Finland
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Saha S, Tomaro-Duchesneau C, Rodes L, Malhotra M, Tabrizian M, Prakash S. Investigation of probiotic bacteria as dental caries and periodontal disease biotherapeutics. Benef Microbes 2015; 5:447-60. [PMID: 25006013 DOI: 10.3920/bm2014.0011] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Oral diseases, specifically dental caries and periodontal disease, are characterised by increases in pathogenic microorganisms, increased demineralisation and increased inflammation and levels of inflammatory markers. Despite the therapeutic strategies, oral diseases have elevated prevalence rates. Recent work has demonstrated that probiotic bio-therapeutics can decrease oral pathogen counts, including caries-causing Streptococcus mutans and oral inflammation. The aim of this work was to investigate putative probiotic bacteria, selected for S. mutans inhibition and for their oral health-promoting characteristics. The probiotic bacteria were screened for S. mutans inhibition, probiotic bacteriocin activity, salivary pH modulation, probiotic nutrient (sucrose) competition, probiotic co-aggregation with S. mutans, bacterial attachment to oral epithelial keratinocytes, bacterial nitric oxide production and bacterial antioxidant activity. The results indicate that Lactobacillus reuteri strains NCIMB 701359, NCIMB 701089, NCIMB 702655 and NCIMB 702656 inhibited S. mutans to non-detectable levels (<10 cfu/ml). L. reuteri strains also demonstrated the highest antioxidant capacity of the tested strains (7.73-13.99 µM Trolox equivalents), suggesting their use as both caries and periodontal disease therapeutics. Although Lactobacillus fermentum NCIMB 5221 inhibited S. mutans at lower levels, it significantly buffered the pH (4.18) of saliva containing S. mutans, co-aggregated with S. mutans (10.09%), demonstrated high levels of sucrose consumption (138.11 mM) and successfully attached to gingival epithelial cells (11%). This study identified four L. reuteri strains and one L. fermentum strain to be further investigated as oral disease biotherapeutics.
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Affiliation(s)
- S Saha
- Biomedical Technology and Cell Therapy Research Laboratory, Departments of Biomedical Engineering, Physiology and Artificial Cells and Organs Research Center, Faculty of Medicine, McGill University, 3775 University Street, Montreal, QC, H3A 2B4, Canada Faculty of Dentistry, McGill University, Montreal, QC, H3A 2B2, Canada
| | - C Tomaro-Duchesneau
- Biomedical Technology and Cell Therapy Research Laboratory, Departments of Biomedical Engineering, Physiology and Artificial Cells and Organs Research Center, Faculty of Medicine, McGill University, 3775 University Street, Montreal, QC, H3A 2B4, Canada
| | - L Rodes
- Biomedical Technology and Cell Therapy Research Laboratory, Departments of Biomedical Engineering, Physiology and Artificial Cells and Organs Research Center, Faculty of Medicine, McGill University, 3775 University Street, Montreal, QC, H3A 2B4, Canada
| | - M Malhotra
- Biomedical Technology and Cell Therapy Research Laboratory, Departments of Biomedical Engineering, Physiology and Artificial Cells and Organs Research Center, Faculty of Medicine, McGill University, 3775 University Street, Montreal, QC, H3A 2B4, Canada
| | - M Tabrizian
- Biomedical Technology and Cell Therapy Research Laboratory, Departments of Biomedical Engineering, Physiology and Artificial Cells and Organs Research Center, Faculty of Medicine, McGill University, 3775 University Street, Montreal, QC, H3A 2B4, Canada Faculty of Dentistry, McGill University, Montreal, QC, H3A 2B2, Canada
| | - S Prakash
- Biomedical Technology and Cell Therapy Research Laboratory, Departments of Biomedical Engineering, Physiology and Artificial Cells and Organs Research Center, Faculty of Medicine, McGill University, 3775 University Street, Montreal, QC, H3A 2B4, Canada
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Piwat S, Sophatha B, Teanpaisan R. An assessment of adhesion, aggregation and surface charges of Lactobacillus
strains derived from the human oral cavity. Lett Appl Microbiol 2015; 61:98-105. [DOI: 10.1111/lam.12434] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Revised: 04/16/2015] [Accepted: 04/16/2015] [Indexed: 11/30/2022]
Affiliation(s)
- S. Piwat
- Common Oral Diseases and Epidemiology Research Center; Faculty of Dentistry; Prince of Songkla University; Hat-Yai Thailand
- Department of Preventive Dentistry; Faculty of Dentistry; Prince of Songkla University; Hat-Yai Thailand
| | - B. Sophatha
- Common Oral Diseases and Epidemiology Research Center; Faculty of Dentistry; Prince of Songkla University; Hat-Yai Thailand
- Department of Stomatology; Faculty of Dentistry; Prince of Songkla University; Hat-Yai Thailand
| | - R. Teanpaisan
- Common Oral Diseases and Epidemiology Research Center; Faculty of Dentistry; Prince of Songkla University; Hat-Yai Thailand
- Department of Stomatology; Faculty of Dentistry; Prince of Songkla University; Hat-Yai Thailand
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50
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Probiotics to counteract biofilm-associated infections: promising and conflicting data. Int J Oral Sci 2014; 6:189-94. [PMID: 25257882 PMCID: PMC5153589 DOI: 10.1038/ijos.2014.52] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/16/2014] [Indexed: 01/01/2023] Open
Abstract
Altered bowel flora is currently thought to play a role in a variety of disease conditions, and the use of Bifidobacterium spp. and Lactobacillus spp. as probiotics has been demonstrated to be health-promoting, even if the success of their administration depends on the applied bacterial strain(s) and the targeted disease. In the last few decades, specific probiotics have been shown to be effective in the treatment or the prevention of acute viral gastroenteritis, pediatric post-antibiotic-associated diarrhea, some pediatric allergic disorders, necrotizing enterocolitis in preterm infants, inflammatory bowel diseases and postsurgical pouchitis. The potential application of probiotics is continuously widening, with new evidence accumulating to support their effect on the prevention and treatment of other disease conditions, including several oral diseases, such as dental caries, periodontal diseases and oral malodor, as well as genitourinary and wound infections. Considering the increasingly widespread ability of pathogens to generate persistent biofilm-related infections, an even more attractive proposal is to administer probiotics to prevent or counteract biofilm development. The response of biofilm-based oral, intestinal, vaginal and wound infections to probiotics treatment will be reviewed here in light of the most recent results obtained in this field.
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