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Fu H, Chen Z, Teng W, Du Z, Zhang Y, Ye X, Yu Z, Zhang Y, Pi X. Effects of fructooligosaccharides and Saccharomyces boulardii on the compositional structure and metabolism of gut microbiota in students. Microbiol Res 2024; 285:127741. [PMID: 38761487 DOI: 10.1016/j.micres.2024.127741] [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: 03/12/2024] [Revised: 04/21/2024] [Accepted: 04/29/2024] [Indexed: 05/20/2024]
Abstract
Fructooligosaccharides (FOS) are a common prebiotic widely used in functional foods. Meanwhile, Saccharomyces boulardii is a fungal probiotic frequenly used in the clinical treatment of diarrhea. Compared with single use, the combination of prebiotics and probiotics as symbiotics may be more effective in regulating gut microbiota as recently reported in the literature. The present study aimed to investigate the effects of FOS, S. boulardii and their combination on the structure and metabolism of the gut microbiota in healthy primary and secondary school students using an in vitro fermentation model. The results indicated that S. boulardii alone could not effectively regulate the community structure and metabolism of the microbiota. However, both FOS and the combination of FOS and S. boulardii could effectively regulate the microbiota, significantly inhibiting the growth of Escherichia-Shigella and Bacteroides, and controlling the production of the gases including H2S and NH3. In addition, both FOS and the combination could significantly promote the growth of Bifidobacteria and Lactobacillus, lower environmental pH, and enhance several physiological functions related to synthesis and metabolism. Nevertheless, the combination had more unique benefits as it promoted the growth of Lactobacillus, significantly increased CO2 production and enhanced the functional pathways of carbon metabolism and pyruvic acid metabolism. These findings provide guidance for clinical application and a theoretical basis for the development of synbiotic preparations.
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Affiliation(s)
- Hao Fu
- Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China
| | - Zhixian Chen
- National Key Laboratory of Agricultural Microbiology, Angel Yeast Co., Ltd., Yichang 443003, PR China; The Hubei Provincial Key Laboratory of Yeast Function, Angel Yeast Co., Ltd., Yichang 443003, PR China; Yi Chang Engineering and Technology Research Center of Nutrition and Health Food, Angel Yeast Co., Ltd., Yichang 443003, PR China
| | - Weilin Teng
- Department of infectious Disease Control and Prevention, HangZhou Center for Disease Control and Prevention, Hangzhou 310006, PR China
| | - Zhi Du
- Department of Pharmacy, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, PR China
| | - Yan Zhang
- National Key Laboratory of Agricultural Microbiology, Angel Yeast Co., Ltd., Yichang 443003, PR China; The Hubei Provincial Key Laboratory of Yeast Function, Angel Yeast Co., Ltd., Yichang 443003, PR China; Yi Chang Engineering and Technology Research Center of Nutrition and Health Food, Angel Yeast Co., Ltd., Yichang 443003, PR China
| | - Xiaoli Ye
- Department of Pharmacy, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, PR China
| | - Zaichun Yu
- College of Bioengineering, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Yinjun Zhang
- College of Bioengineering, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Xionge Pi
- Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China; Institute of Rural Development, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China.
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Catalán-Serra I, Thorsvik S, Beisvag V, Bruland T, Underhill D, Sandvik AK, Granlund AVB. Fungal Microbiota Composition in Inflammatory Bowel Disease Patients: Characterization in Different Phenotypes and Correlation With Clinical Activity and Disease Course. Inflamm Bowel Dis 2024; 30:1164-1177. [PMID: 38103028 PMCID: PMC11219482 DOI: 10.1093/ibd/izad289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Indexed: 12/17/2023]
Abstract
BACKGROUND There is growing evidence of the role of the mycobiome in inflammatory bowel disease (IBD). Variations within phenotypes and activity and with prognosis have been poorly studied. METHODS A total of 111 individuals were prospectively enrolled: 89 IBD patients (52 ulcerative colitis and 37 Crohn's disease [CD]) and 22 healthy individuals. Disease characteristics were collected and a fecal calprotectin >100 μg/mg was considered indicative of activity. A subset of patients was followed for 6 ± 2 years. Disease course was designated as either complicated or uncomplicated based on the need of intensified medication and/or surgery. ITS sequencing was performed targeting the ITS1 region. RESULTS We found lower Ascomycota/Basidiomycota ratio in IBD. Patients showed a marked increase in Candida dublinensis and Ca albicans and were depleted of Aspergillus rubrobrunneus and Penicillium brevicompactum (P ≤ .001) Saccharomyces was predominant in total colitis and Penicillium in proctitis. Several Penicillium species were depleted in total colitis vs proctitis. Ileal CD patients were enriched in Debaromyces hansenii and depleted of Ca tropicalis (P ≤ .001). Ca albicans was overrepresented in inflammatory (B1) vs fibrostenosing (B2) CD. Ca dublinensis was more abundant in active patients and correlated positively with fecal calprotectin and neutrophil gelatinase-associated lipocalin, while S pastorianus correlated inversely with activity. Ca sake was associated with complicated disease and increased abundance of Cryptococcus carnescens with the need for surgery in CD. CONCLUSIONS This study shows important differences in the mycobiome in IBD and within phenotypes. Selected fungal species were associated with complicated disease and the need of surgery in CD. This work adds to our understanding of the role of fungi in IBD, with potential clinical implications.
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Affiliation(s)
- Ignacio Catalán-Serra
- Centre of Molecular Inflammation Research, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
- Gastroenterology, Department of Medicine, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway
| | - Silje Thorsvik
- Centre of Molecular Inflammation Research, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Vidar Beisvag
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Torunn Bruland
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Gastroenterology and Hepatology, Clinic of Medicine, St. Olav’s University Hospital, Trondheim, Norway
| | - David Underhill
- Centre of Molecular Inflammation Research, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Research Division of Immunology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- F. Widjaja Foundation Inflammatory Bowel and Immunobiology Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Arne Kristian Sandvik
- Centre of Molecular Inflammation Research, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Gastroenterology and Hepatology, Clinic of Medicine, St. Olav’s University Hospital, Trondheim, Norway
| | - Atle van Beelen Granlund
- Centre of Molecular Inflammation Research, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Gastroenterology and Hepatology, Clinic of Medicine, St. Olav’s University Hospital, Trondheim, Norway
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Zhang WX, Shi LB, Zhou MS, Wu J, Shi HY. Efficacy of probiotics, prebiotics and synbiotics in irritable bowel syndrome: a systematic review and meta-analysis of randomized, double-blind, placebo-controlled trials. J Med Microbiol 2023; 72. [PMID: 37772692 DOI: 10.1099/jmm.0.001758] [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] [Indexed: 09/30/2023] Open
Abstract
Introduction. Irritable bowel syndrome (IBS) is a common gastrointestinal disorder that affects the quality of life of numerous people worldwide.Gap statement. The therapeutic role of gut microbiota modulation in IBS remains controversial.Aim. We aimed to assess the efficacy of probiotics, prebiotics or synbiotics in patients with IBS.Methodology. We searched MEDLINE and EMBASE up to 1 August 2023, to identify the randomized, double-blind, placebo-controlled trials investigating the effectiveness of probiotics, prebiotics or synbiotics among patients with IBS. Pooled analyses of the effects of probiotics in relieving IBS symptoms were calculated using a random-effects model. Further subgroup analyses were performed by different genera, doses and duration of treatment.Results. Our final analysis included 52 trials involving 6289 IBS patients. Probiotics significantly increased the overall response rate (RR:1.64; P<0.00001), subjective relief rate (RR:1.50; P=0.0002) and abdominal pain relief rate (RR:1.69; P<0.00001). As for specific genera, mixed probiotics (RR:1.41; P=0.0001), Bifidobacterium (RR:1.76; P<0.00001), Lactobacillus (RR:1.97; P=0.0004) and Saccharomyces (RR:1.31; P=0.0004) markedly relieved IBS symptoms. Mixed probiotics (RR:1.31; P=0.005), Lactobacillus (RR:2.22; P=0.04) and Bifidobacterium (RR:1.62; P<0.0001) elevated patients' subjective relief rate. Besides, probiotics effectively relieved the abdominal pain in IBS patients (RR:1.69; P<0.00001). Probiotics appeared to show a remarkable beneficial role at a dose of 109 c.f.u./day or above (RR:1.662; P<0.0001) and started to work at 4 weeks (RR 1.72; P<0.00001). Efficacy of prebiotics and synbiotics in IBS remained uncertain, due to the deficiency of available RCTs.Conclusions. Probiotics have a therapeutic role in IBS. However, the effect of different probiotics varies. The minimal effective dose of probiotics may be 109 c.f.u./day. With appropriate probiotic formula, the therapeutic effect can occur at 4 weeks. These data provide a basis for further research on the optimal probiotic therapy in IBS.
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Affiliation(s)
- Wen Xue Zhang
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Diseases, Beijing Digestive Disease Center, Beijing 100050, PR China
| | - Lu Bo Shi
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Diseases, Beijing Digestive Disease Center, Beijing 100050, PR China
| | - Min Si Zhou
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Diseases, Beijing Digestive Disease Center, Beijing 100050, PR China
| | - Jing Wu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Diseases, Beijing Digestive Disease Center, Beijing 100050, PR China
| | - Hai Yun Shi
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Diseases, Beijing Digestive Disease Center, Beijing 100050, PR China
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Collins JH, Kunyeit L, Weintraub S, Sharma N, White C, Haq N, Anu-Appaiah KA, Rao RP, Young EM. Genetic basis for probiotic yeast phenotypes revealed by nanopore sequencing. G3 (BETHESDA, MD.) 2023; 13:jkad093. [PMID: 37103477 PMCID: PMC10411601 DOI: 10.1093/g3journal/jkad093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 01/31/2023] [Accepted: 04/14/2023] [Indexed: 04/28/2023]
Abstract
Probiotic yeasts are emerging as preventative and therapeutic solutions for disease. Often ingested via cultured foods and beverages, they can survive the harsh conditions of the gastrointestinal tract and adhere to it, where they provide nutrients and inhibit pathogens like Candida albicans. Yet, little is known of the genomic determinants of these beneficial traits. To this end, we have sequenced 2 food-derived probiotic yeast isolates that mitigate fungal infections. We find that the first strain, KTP, is a strain of Saccharomyces cerevisiae within a small clade that lacks any apparent ancestry from common European/wine S. cerevisiae strains. Significantly, we show that S. cerevisiae KTP genes involved in general stress, pH tolerance, and adherence are markedly different from S. cerevisiae S288C but are similar to the commercial probiotic yeast species S. boulardii. This suggests that even though S. cerevisiae KTP and S. boulardii are from different clades, they may achieve probiotic effect through similar genetic mechanisms. We find that the second strain, ApC, is a strain of Issatchenkia occidentalis, one of the few of this family of yeasts to be sequenced. Because of the dissimilarity of its genome structure and gene organization, we infer that I. occidentalis ApC likely achieves a probiotic effect through a different mechanism than the Saccharomyces strains. Therefore, this work establishes a strong genetic link among probiotic Saccharomycetes, advances the genomics of Issatchenkia yeasts, and indicates that probiotic activity is not monophyletic and complimentary mixtures of probiotics could enhance health benefits beyond a single species.
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Affiliation(s)
- Joseph H Collins
- Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Lohith Kunyeit
- Department of Biology and Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609, USA
- Department of Microbiology and Fermentation Technology, CSIR—Central Food Technological Research Institute (CFTRI), Mysore, Karnataka 570020, India
| | - Sarah Weintraub
- Bioinformatics and Computational Biology, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Nilesh Sharma
- Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Charlotte White
- Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Nabeeha Haq
- Department of Biology, Brandeis University, Waltham, MA 02453, USA
| | - K A Anu-Appaiah
- Department of Microbiology and Fermentation Technology, CSIR—Central Food Technological Research Institute (CFTRI), Mysore, Karnataka 570020, India
| | - Reeta P Rao
- Department of Biology and Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Eric M Young
- Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, MA 01609, USA
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Aligita W, Singgih M, Sutrisno E, Adnyana IK. Hepatoprotective Properties of Water Kefir: A Traditional Fermented Drink and Its Potential Role. Int J Prev Med 2023; 14:93. [PMID: 37855014 PMCID: PMC10580206 DOI: 10.4103/ijpvm.ijpvm_29_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 11/01/2022] [Indexed: 10/20/2023] Open
Abstract
The liver is extremely vulnerable to damage because of its role in metabolism. Toxin, metabolic syndrome, alcohol, microorganisms, and autoimmune diseases can be the cause of liver damage. While different etiologies can cause liver disease, pathophysiologically, there are similarities in the role of free radicals, inflammatory mediators, and gut microbiome during the disease development. Therefore, ingredients with antioxidant, antiinflammatory, and antidysbiotic properties have the potential to act as hepatoprotectors; and water kefir is one of them. Water kefir is a traditional fermented drink made from water kefir grains, sugar, and dried fruit. Water kefir is dominated by lactic acid bacteria and yeast as a fermented beverage, and several species of this group of microorganisms have been shown as probiotics. According to researches, water kefir has strong antioxidant, antiinflammatory, and hepatoprotective effects. Even so, there are still few researches reported about water kefir as a hepatoprotective agent. Several studies, on the other hand, showed promising results. This review discusses the relationship between the pathophysiology of liver disease and the pharmacological activity of water kefir and other probiotics in general, which leads to the potential prospect of water kefir research as a hepatoprotective agent.
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Affiliation(s)
- Widhya Aligita
- School of Pharmacy, Bandung Institute of Technology, Bandung, Indonesia
- Faculty of Pharmacy, Bhakti Kencana University, Bandung, Indonesia
| | - Marlia Singgih
- School of Pharmacy, Bandung Institute of Technology, Bandung, Indonesia
| | - Entris Sutrisno
- Faculty of Pharmacy, Bhakti Kencana University, Bandung, Indonesia
| | - I. K. Adnyana
- School of Pharmacy, Bandung Institute of Technology, Bandung, Indonesia
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Nutritional supplements for the control of avian coccidiosis. ANNALS OF ANIMAL SCIENCE 2023. [DOI: 10.2478/aoas-2023-0013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Abstract
Coccidiosis is acclaimed as the most prevalent enteric parasitic ailment of poultry. It is caused by an apicomplexan protozoon of the genus Eimeria, which resides in chicken intestinal epithelium leading to intestinal damage. As a result, bloody droppings are there, feed efficiency is reduced, the growth rate is impaired, and egg production is temporarily decreased. Treatment and prevention of coccidiosis are primarily accomplished by inoculating live vaccines and administering anticoccidial drugs. Due to anticoccidials’ continuous and excessive use, the mounting issue is drug resistant Eimeria strains. The poultry industry has managed resistance-related issues by suggesting shuttle and rotation schemes. Furthermore, new drugs have also been developed and introduced, but it takes a long time and causes cost inflation in the poultry industry. Moreover, government disallows growth promoters and drugs at sub-therapeutic doses in poultry due to increased concerns about the drug residues in poultry products. These constraints have motivated scientists to work on alternative ways to control coccidiosis effectively, safely, and sustainably. Using nutritional supplements is a novel way to solve the constraints mentioned above. The intriguing aspects of using dietary supplements against coccidiosis are that they reduce the risk of drug-resistant pathogen strains, ensure healthy, nutritious poultry products, have less reliance on synthetic drugs, and are typically considered environmentally safe. Furthermore, they improve productivity, enhance nonspecific immunity, preventing oxidation of fats (acting as antioxidants) and inflammation (acting as an anti-inflammatory). The present manuscript focuses on the efficacy, possible mechanism of action, applications, and different facets of nutrition supplements (such as organic acids, minerals, vitamins, probiotics, essential oils, amino acids, dietary nucleotides, feed enzymes, and yeast derivatives) as feed additive for treating poultry coccidiosis.
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Sadeghi A, Ebrahimi M, Shahryari S, Kharazmi MS, Jafari SM. Food applications of probiotic yeasts; focusing on their techno-functional, postbiotic and protective capabilities. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.08.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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8
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Mourey F, Decherf A, Jeanne JF, Clément-Ziza M, Grisoni ML, Machuron F, Legrain-Raspaud S, Bourreille A, Desreumaux P. Saccharomyces cerevisiae I-3856 in irritable bowel syndrome with predominant constipation. World J Gastroenterol 2022; 28:2509-2522. [PMID: 35979259 PMCID: PMC9258277 DOI: 10.3748/wjg.v28.i22.2509] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/14/2022] [Accepted: 04/28/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Probiotics are a promising solution for managing irritable bowel syndrome (IBS). Saccharomyces cerevisiae (S. cerevisiae) I-3856 has already demonstrated beneficial effects in IBS subjects, particularly in IBS with predominant constipation (IBS-C).
AIM To confirm the efficacy of S. cerevisiae I-3856 in the management of gastrointestinal symptoms in IBS-C.
METHODS A randomized, double-blind, placebo-controlled clinical study was performed in a total of 456 subjects. After a run-in period, subjects were randomly assigned to the group receiving S. cerevisiae I-3856 (8 × 109 CFU daily) or the placebo for 8 wk, and they performed daily self-evaluations of gastrointestinal symptoms. The primary objective was to assess the effect of the probiotic on abdominal pain. The secondary objectives were the evaluation of other gastrointestinal symptoms, bowel movement frequency and consistency, and quality of life (QOL).
RESULTS A significantly higher proportion of abdominal pain responders was reported in the Probiotic group (45.1% vs 33.9%, P = 0.017). A nonsignificant difference in the area under the curve for abdominal pain over the second month of supplementation was observed in subjects receiving probiotic vs placebo [P = 0.073, 95%CI: -0.59 (-1.23; 0.05)]. No statistically significant differences were reported in the evolution of bowel movement frequency and stool consistency between the groups. After 8 wk of supplementation, the overall QOL score was significantly higher in the Probiotic group than in the Placebo group [P = 0.047, 95%CI: 3.86 (0.52; 7.20)]. Furthermore, exploratory analyses showed statistically significant and clinically relevant improvements in QOL scores in abdominal pain responders vs nonresponders.
CONCLUSION The results of this clinical study confirmed the abdominal pain alleviation properties of S. cerevisiae I-3856 in IBS-C. Abdominal pain relief was associated with improved QOL. ClinicalTrials.gov identifier: NCT03150212.
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Affiliation(s)
- Florian Mourey
- Research and Applications Department, Gnosis by Lesaffre, Lesaffre Group, Marcq-en-Baroeul 59700, France
| | - Amélie Decherf
- Research and Applications Department, Gnosis by Lesaffre, Lesaffre Group, Marcq-en-Baroeul 59700, France
| | - Jean-François Jeanne
- Research and Applications Department, Gnosis by Lesaffre, Lesaffre Group, Marcq-en-Baroeul 59700, France
| | - Mathieu Clément-Ziza
- Data Science and Bioinformatics Laboratory, Research and Development Department, Lesaffre International, Lesaffre Group, Marcq-en-Baroeul 59700, France
| | - Marie-Lise Grisoni
- Data Science and Bioinformatics Laboratory, Research and Development Department, Lesaffre International, Lesaffre Group, Marcq-en-Baroeul 59700, France
| | - François Machuron
- Data Science and Bioinformatics Laboratory, Research and Development Department, Lesaffre International, Lesaffre Group, Marcq-en-Baroeul 59700, France
| | - Sophie Legrain-Raspaud
- Research and Applications Department, Gnosis by Lesaffre, Lesaffre Group, Marcq-en-Baroeul 59700, France
| | - Arnaud Bourreille
- Institut des Maladies de l'Appareil Digestif, Centre Hospitalier Universitaire de Nantes, Nantes 44093, France
| | - Pierre Desreumaux
- Institute for Translational Research in Inflammation, Centre Hospitalier Universitaire de Lille, Lille 59000, France
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Alkalbani NS, Osaili TM, Al-Nabulsi AA, Obaid RS, Olaimat AN, Liu SQ, Ayyash MM. In Vitro Characterization and Identification of Potential Probiotic Yeasts Isolated from Fermented Dairy and Non-Dairy Food Products. J Fungi (Basel) 2022; 8:jof8050544. [PMID: 35628799 PMCID: PMC9147075 DOI: 10.3390/jof8050544] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 02/05/2023] Open
Abstract
This study is about the isolation of yeast from fermented dairy and non-dairy products as well as the characterization of their survival in in vitro digestion conditions and tolerance to bile salts. Promising strains were selected to further investigate their probiotic properties, including cell surface properties (autoaggregation, hydrophobicity and coaggregation), physiological properties (adhesion to the HT-29 cell line and cholesterol lowering), antimicrobial activities, bile salt hydrolysis, exopolysaccharide (EPS) producing capability, heat resistance and resistance to six antibiotics. The selected yeast isolates demonstrated remarkable survivability in an acidic environment. The reduction caused by in vitro digestion conditions ranged from 0.7 to 2.1 Log10. Bile salt tolerance increased with the extension in the incubation period, which ranged from 69.2% to 91.1% after 24 h. The ability of the 12 selected isolates to remove cholesterol varied from 41.6% to 96.5%, and all yeast strains exhibited a capability to hydrolyse screened bile salts. All the selected isolates exhibited heat resistance, hydrophobicity, strong coaggregation, autoaggregation after 24 h, robust antimicrobial activity and EPS production. The ability to adhere to the HT-29 cell line was within an average of 6.3 Log10 CFU/mL after 2 h. Based on ITS/5.8S ribosomal DNA sequencing, 12 yeast isolates were identified as 1 strain for each Candidaalbicans and Saccharomyces cerevisiae and 10 strains for Pichia kudriavzevii.
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Affiliation(s)
- Nadia S. Alkalbani
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al Ain P.O. Box 15551, United Arab Emirates;
| | - Tareq M. Osaili
- Department Clinical Nutrition and Dietetics, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates; (T.M.O.); (R.S.O.)
- Department of Nutrition and Food Technology, Jordan University of Science and Technology, Irbid 21121, Jordan;
| | - Anas A. Al-Nabulsi
- Department of Nutrition and Food Technology, Jordan University of Science and Technology, Irbid 21121, Jordan;
| | - Reyad S. Obaid
- Department Clinical Nutrition and Dietetics, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates; (T.M.O.); (R.S.O.)
| | - Amin N. Olaimat
- Department of Clinical Nutrition and Dietetics, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
| | - Shao-Quan Liu
- Department of Food Science and Technology, Faculty of Science, National University of Singapore, Singapore 117542, Singapore;
| | - Mutamed M. Ayyash
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al Ain P.O. Box 15551, United Arab Emirates;
- Correspondence:
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Calatayud M, Börner RA, Ghyselinck J, Verstrepen L, Medts JD, den Abbeele PV, Boulangé CL, Priour S, Marzorati M, Damak S. Water Kefir and Derived Pasteurized Beverages Modulate Gut Microbiota, Intestinal Permeability and Cytokine Production In Vitro. Nutrients 2021; 13:nu13113897. [PMID: 34836151 PMCID: PMC8625349 DOI: 10.3390/nu13113897] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/27/2021] [Accepted: 10/27/2021] [Indexed: 01/08/2023] Open
Abstract
Fermentation is an ancient food preservation process, and fermented products have been traditionally consumed in different cultures worldwide over the years. The interplay between human gut microbiota, diet and host health is widely recognized. Diet is one of the main factors modulating gut microbiota potentially with beneficial effects on human health. Fermented dairy products have received much attention, but other sources of probiotic delivery through food received far less attention. In this research, a combination of in vitro tools mimicking colonic fermentation and the intestinal epithelium have been applied to study the effect of different pasteurized and non-pasteurized water kefir products on gut microbiota, epithelial barrier function and immunomodulation. Water kefir increased beneficial short-chain fatty acid production at the microbial level, reduced detrimental proteolytic fermentation compounds and increased Bifidobacterium genus abundance. The observed benefits are enhanced by pasteurization. Pasteurized products also had a significant effect at the host level, improving inflammation-induced intestinal epithelial barrier disruption and increasing IL-10 and IL-1β compared to the control condition. Our data support the potential health benefits of water kefir and demonstrate that pasteurization, performed to prolong shelf life and stability of the product, also enhanced these benefits.
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Affiliation(s)
- Marta Calatayud
- ProDigest, Technologiepark 82, 9052 Zwijnaarde, Belgium; (M.C.); (J.G.); (L.V.); (J.D.M.); (P.V.d.A.)
- Center for Microbial Ecology and Technology (CMET), Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Rosa Aragao Börner
- Nestlé Institute of Health Sciences, and Nestlé Institute of Material Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland; (C.L.B.); (S.P.); (S.D.)
- Correspondence: (R.A.B.); (M.M.)
| | - Jonas Ghyselinck
- ProDigest, Technologiepark 82, 9052 Zwijnaarde, Belgium; (M.C.); (J.G.); (L.V.); (J.D.M.); (P.V.d.A.)
| | - Lynn Verstrepen
- ProDigest, Technologiepark 82, 9052 Zwijnaarde, Belgium; (M.C.); (J.G.); (L.V.); (J.D.M.); (P.V.d.A.)
| | - Jelle De Medts
- ProDigest, Technologiepark 82, 9052 Zwijnaarde, Belgium; (M.C.); (J.G.); (L.V.); (J.D.M.); (P.V.d.A.)
| | - Pieter Van den Abbeele
- ProDigest, Technologiepark 82, 9052 Zwijnaarde, Belgium; (M.C.); (J.G.); (L.V.); (J.D.M.); (P.V.d.A.)
| | - Claire L. Boulangé
- Nestlé Institute of Health Sciences, and Nestlé Institute of Material Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland; (C.L.B.); (S.P.); (S.D.)
| | - Sarah Priour
- Nestlé Institute of Health Sciences, and Nestlé Institute of Material Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland; (C.L.B.); (S.P.); (S.D.)
| | - Massimo Marzorati
- ProDigest, Technologiepark 82, 9052 Zwijnaarde, Belgium; (M.C.); (J.G.); (L.V.); (J.D.M.); (P.V.d.A.)
- Center for Microbial Ecology and Technology (CMET), Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
- Correspondence: (R.A.B.); (M.M.)
| | - Sami Damak
- Nestlé Institute of Health Sciences, and Nestlé Institute of Material Sciences, Nestlé Research, Société des Produits Nestlé S.A., Vers-chez-les-Blanc, 1000 Lausanne, Switzerland; (C.L.B.); (S.P.); (S.D.)
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11
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Hwang SB, Chelliah R, Kang JE, Rubab M, Banan-MwineDaliri E, Elahi F, Oh DH. Role of Recent Therapeutic Applications and the Infection Strategies of Shiga Toxin-Producing Escherichia coli. Front Cell Infect Microbiol 2021; 11:614963. [PMID: 34268129 PMCID: PMC8276698 DOI: 10.3389/fcimb.2021.614963] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 05/07/2021] [Indexed: 12/17/2022] Open
Abstract
Shiga toxin-producing Escherichia coli (STEC) is a global foodborne bacterial pathogen that is often accountable for colon disorder or distress. STEC commonly induces severe diarrhea in hosts but can cause critical illnesses due to the Shiga toxin virulence factors. To date, there have been a significant number of STEC serotypes have been evolved. STECs vary from nausea and hemorrhoid (HC) to possible lethal hemolytic-based uremic syndrome (HUS), thrombotic thrombocytopenic purpura (TTP). Inflammation-based STEC is usually a foodborne illness with Shiga toxins (Stx 1 and 2) thought to be pathogenesis. The STEC's pathogenicity depends significantly on developing one or more Shiga toxins, which can constrain host cell protein synthesis leading to cytotoxicity. In managing STEC infections, antimicrobial agents are generally avoided, as bacterial damage and discharge of accumulated toxins are thought the body. It has also been documented that certain antibiotics improve toxin production and the development of these species. Many different groups have attempted various therapies, including toxin-focused antibodies, toxin-based polymers, synbiotic agents, and secondary metabolites remedies. Besides, in recent years, antibiotics' efficacy in treating STEC infections has been reassessed with some encouraging methods. Nevertheless, the primary role of synbiotic effectiveness (probiotic and prebiotic) against pathogenic STEC and other enteropathogens is less recognized. Additional studies are required to understand the mechanisms of action of probiotic bacteria and yeast against STEC infection. Because of the consensus contraindication of antimicrobials for these bacterial pathogens, the examination was focused on alternative remedy strategies for STEC infections. The rise of novel STEC serotypes and approaches employed in its treatment are highlighted.
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Affiliation(s)
- Su-bin Hwang
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Ramachandran Chelliah
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Ji Eun Kang
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Momna Rubab
- School of Food and Agricultural Sciences, University of Management and Technology, Lahore, Pakistan
| | - Eric Banan-MwineDaliri
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Fazle Elahi
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Deog-Hwan Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
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12
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Chelliah R, Kim EJ, Daliri EBM, Antony U, Oh DH. In Vitro Probitotic Evaluation of Saccharomyces boulardii with Antimicrobial Spectrum in a Caenorhabditis elegans Model. Foods 2021; 10:foods10061428. [PMID: 34203095 PMCID: PMC8235530 DOI: 10.3390/foods10061428] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 06/05/2021] [Accepted: 06/16/2021] [Indexed: 11/16/2022] Open
Abstract
In the present study, we screened for potential probiotic yeast that could survive under extreme frozen conditions. The antimicrobial and heat-stable properties of the isolated yeast strains Saccharomyces boulardii (S. boulardii) (KT000032, KT000033, KT000034, KT000035, KT000036, and KT000037) was analyzed and compared with commercial probiotic strains. The results revealed that the tested S. boulardii KT000032 strain showed higher resistance to gastric enzymes (bile salts, pepsin, and pancreatic enzyme) at low pH, with broad antibiotic resistance. In addition, the strain also showed efficient auto-aggregation and co-aggregation abilities and efficient hydrophobicity in the in-vitro and in-vivo C. elegens gut model. Further, the KT000032 strain showed higher antimicrobial efficiency against 13 different enteropathogens and exhibited commensal relationships with five commercial probiotic strains. Besides, the bioactive compounds produced in the cell-free supernatant of probiotic yeast showed thermo-tolerance (95 °C for two hours). Furthermore, the thermo-stable property of the strains will facilitate their incorporation into ready-to-eat food products under extreme food processing conditions.
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Affiliation(s)
- Ramachandran Chelliah
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (R.C.); (E.-J.K.); (E.B.-M.D.)
| | - Eun-Ji Kim
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (R.C.); (E.-J.K.); (E.B.-M.D.)
| | - Eric Banan-Mwine Daliri
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (R.C.); (E.-J.K.); (E.B.-M.D.)
| | - Usha Antony
- Department of Biotechnology and Food Technology, Anna University, Chennai 600 025, India;
| | - Deog-Hwan Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (R.C.); (E.-J.K.); (E.B.-M.D.)
- Correspondence: ; Tel.: +82-33-250-6457
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13
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In Vitro Assessment of Probiotic Potential of Saccharomyces Cerevisiae DABRP5 Isolated from Bollo Batter, a Traditional Goan Fermented Food. Probiotics Antimicrob Proteins 2021; 13:796-808. [PMID: 33454871 DOI: 10.1007/s12602-020-09734-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2020] [Indexed: 12/11/2022]
Abstract
Bollo is a traditional Goan fermented food in which coarse wheat/wheat and finger millet is leavened with toddy. We here isolated 42 yeast strains from Bollo batter. Initial screening of the isolates with probiotic properties yielded four yeast isolates (DABRP1, DABRP2, DABRP5 and DABRP12). These isolates exhibited tolerance to high bile salt concentration and acidic pH and resistance to various antibiotics, which indicated their probiotic nature. All these yeast isolates were identified as Saccharomyces cerevisiae through D1D2-LSU-rDNA sequencing. These yeast isolates also showed higher percent hydrophobicity towards chloroform followed by n-hexadecane and o-xylene indicating their mucosal surface-adhesive property. To evaluate the safety of the isolates for them to be called as generally recognized as safe, the pathogenic behavior of the isolates determined through the in vitro hemolysis assay and evaluation of DNase and gelatinase activities. None of the isolates exhibited hemolysis or produced DNase or gelatinase and thus were considered potentially safe. In terms of beneficial effects, the most potent isolate S. cerevisiae DABRP5 showed antibacterial activity against the test pathogens. It also showed excellent antioxidant activity with DPPH free radical scavenging activity of 68.85 ± 0.69%, anti-inflammatory activity with 60.39 ± 0.34% inhibition of protein denaturation, and antidiabetic activity with 71.75 ± 0.45% inhibition of α-amylase activity. The isolate produced α-amylase, lipase, and β-galactosidase. The probiotic potential of the isolate S. cerevisiae DABRP5 was similar to that of the reference strain (Saccharomyces boulardii CNCM I-745) used in this study. The results thus indicate that yeast isolates from Bollo batter have probiotic potential.
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14
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Stiemsma LT, Nakamura RE, Nguyen JG, Michels KB. Does Consumption of Fermented Foods Modify the Human Gut Microbiota? J Nutr 2020; 150:1680-1692. [PMID: 32232406 PMCID: PMC7330458 DOI: 10.1093/jn/nxaa077] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/21/2020] [Accepted: 03/02/2020] [Indexed: 01/08/2023] Open
Abstract
The human microbiota is a key contributor to many aspects of human health and its composition is largely influenced by diet. There is a growing body of scientific evidence to suggest that gut dysbiosis (microbial imbalance of the intestine) is associated with inflammatory and immune-mediated diseases (e.g., inflammatory bowel disease and asthma). Regular consumption of fermented foods (e.g., kimchi, kefir, etc.) may represent a potential avenue to counter the proinflammatory effects of gut dysbiosis. However, an assessment of the available literature in this research area is lacking. Here we provide a critical review of current human intervention studies that analyzed the effect of fermented foods on the composition and/or function of the human gut microbiota. A total of 19 human intervention studies were identified that met this search criteria. In this review, we discuss evidence that consumption of fermented foods may modify the gut microbiota in humans. Further, there is cursory evidence to suggest that gut microbiota compositional changes mediate associations between fermented food consumption and human health outcomes. Although promising, there remains considerable heterogeneity in the human populations targeted in the intervention studies we identified. Larger longitudinal feeding studies with longer follow-up are necessary to confirm and enhance the current data. Further, future studies should consider analyzing microbiota function as a means to elucidate the mechanism linking fermented food consumption with human health. This review highlights methodologic considerations for intervention trials, emphasizing an expanse of research opportunities related to fermented food consumption in humans.
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Affiliation(s)
- Leah T Stiemsma
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA, USA
| | - Reine E Nakamura
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA, USA
| | - Jennifer G Nguyen
- Department of Biology, University of California, Los Angeles, CA, USA
| | - Karin B Michels
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA, USA
- Institute for Prevention and Cancer Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
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15
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Vaghef-Mehrabany E, Maleki V, Behrooz M, Ranjbar F, Ebrahimi-Mameghani M. Can psychobiotics “mood” ify gut? An update systematic review of randomized controlled trials in healthy and clinical subjects, on anti-depressant effects of probiotics, prebiotics, and synbiotics. Clin Nutr 2020; 39:1395-1410. [DOI: 10.1016/j.clnu.2019.06.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 05/30/2019] [Accepted: 06/07/2019] [Indexed: 02/07/2023]
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16
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Comparative immunophenotyping of Saccharomyces cerevisiae and Candida spp. strains from Crohn's disease patients and their interactions with the gut microbiome. J Transl Autoimmun 2020; 3:100036. [PMID: 32743520 PMCID: PMC7388382 DOI: 10.1016/j.jtauto.2020.100036] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 12/19/2019] [Accepted: 01/05/2020] [Indexed: 02/06/2023] Open
Abstract
Investigation of the fungal communities in animal models of Inflammatory Bowel Diseases (IBD) showed a controversial role of Saccharomyces cerevisiae and Candida spp. In health and disease. These conflicting observations could be ascribed to immunogenic differences among co-specific strains. To assess the relevance of intra-strains differences on yeast immunogenicity and impact on the microbiota, we screened S. cerevisiae and Candida spp. Strains isolated from fecal samples of IBD patients. We compared the cytokine profiles, obtained upon stimulation of Peripheral Blood Mononuclear Cells (PBMCs) and Dendritic Cells with different yeast strains, and evaluated the relationship between strain’s cell wall sugar amount and immune response. Moreover, the gut microbiota composition was explored in relation to fungal isolation from fecal samples by metabarcoding analysis. The comparison of cytokine profiles showed strain dependent rather than species-dependent differences in immune responses. Differences in immunogenicity correlated with the cell wall composition of S. cerevisiae intestinal strains. Stimulation of human healthy PBMCs with different strains showed a pro-inflammatory IL-6 response counterbalanced by IL-10 production. Interestingly, Crohn’s (CD) patients responded differently to “self” and “non-self” strains, eliciting pure Th1 or Th17 cytokine patterns. The differences observed in vitro were recapitulated in vivo, where different strains contributed in dramatically different ways to local epithelial activity and to the inflammation of wild type and Interleukin-deficient mice. Furthermore, we observed that the gut microbiota profiles significantly differentiated according to the presence of Saccharomyces or Candida spp. or the absence of fungal isolates in fecal samples. Our results show the importance to deepen metagenomics and immunophenotyping analyses to the strain level, to elucidate the role of fungal and bacterial communities in health and disease. Previous studies indicated an involvement of gut mycobiome in IBD pathogenesis. We screened for immunomodulatory properties S. cerevisiae and Candida strains from IBD patients. The fungal immunomodulation depends on strain-rather than species-specific traits. Differences in immunogenicity correlate with the cell wall composition of gut strains. CD patients responded differently to “self” and “non-self” strains.
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17
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Shamekhi S, Lotfi H, Abdolalizadeh J, Bonabi E, Zarghami N. An overview of yeast probiotics as cancer biotherapeutics: possible clinical application in colorectal cancer. Clin Transl Oncol 2020; 22:1227-1239. [PMID: 31919760 DOI: 10.1007/s12094-019-02270-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Accepted: 12/08/2019] [Indexed: 02/07/2023]
Abstract
The previous reports have established a strong link between diet, lifestyle, and gut microbiota population with the onset of the colorectal cancer (CRC). Administration of probiotics has become a particular interest in prevention and treatment of CRC. As potential dietary complements, probiotics might be able to lower the risk of CRC and manage the safety of traditional cancer therapies such as surgery, radiation therapy, and chemotherapy. This review investigates the promising effects of probiotics as biotherapeutics, with due attention to possible clinical application of yeast probiotics in prevention and treatment of CRC. In addition, various underlying anti-cancer mechanisms are covered here based on scientific evidence and findings from numerous experimental studies. Application of probiotics as biotherapeutics in CRC, however, needs to be approved by human clinical trials. It is of prime concern, to find potential probiotic strains, effective doses for administrations and regimes, and molecular mechanisms involved in prevention and treatment.
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Affiliation(s)
- S Shamekhi
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - H Lotfi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - J Abdolalizadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - E Bonabi
- Department of Medical Microbiology, Faculty of Medicine, Istanbul Aydin University, Istanbul, Turkey
| | - N Zarghami
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran. .,Department of Clinical Biochemistry and Laboratory Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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18
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Kiarie EG, Leung H, Akbari Moghaddam Kakhki R, Patterson R, Barta JR. Utility of Feed Enzymes and Yeast Derivatives in Ameliorating Deleterious Effects of Coccidiosis on Intestinal Health and Function in Broiler Chickens. Front Vet Sci 2019; 6:473. [PMID: 31921926 PMCID: PMC6933770 DOI: 10.3389/fvets.2019.00473] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 12/05/2019] [Indexed: 12/11/2022] Open
Abstract
Coccidiosis induced necrotic lesions impair digestive capacity and barrier function in concurrence with increased risks for secondary bacterial infections. The industry has been successful in controlling coccidiosis with anticoccidials and vaccination. However, concerns over Eimeria species resistant to anticoccidials, gaps in vaccination and restriction on antibiotics is stimulating research and application of alternative and/or complimentary strategies for coccidiosis control. The aim of this paper is to appraise literature on the utility of feed enzymes and yeast derivatives in modulating coccidiosis. Feed enzymes can complement endogenous enzymes (protease, amylase, and lipase) that may become insufficient in coccidiosis afflicted birds. Coccidiosis in the upper small intestine creates conditions that enhances efficacy of phytase and there are reports indicating supplemental phytase can mitigate the negative impact of coccidiosis on bone quality. Increase in intestinal short chain fatty acids due supplemental fiber degrading enzymes has been linked with reduced survivability of Eimeria. There is evidence whole yeast (live or dead) and derivatives can modulate coccidiosis. Immunomudulation properties of the yeast derivatives have been shown to enhance cellular and humoral immunity in Eimeria challenge models which is critical for effectiveness of coccidial vaccination. Moreover, yeast nucleotides have been shown to be beneficial in stimulating healing of intestinal mucosal surface. Other novel work has shown that certain yeast cells can produce derivatives with anticoccidial compounds effective in attenuating oocysts shedding. Yeast cell surface has also been shown to be an effective oral Eimeria vaccine delivery vehicle. Overall, while further refinement research is warranted to address inconsistencies in responses and commercial application, there is evidence feed enzymes and yeast derivatives could complement strategies for maintaining intestinal function to bolster growth performance in broilers compromised with coccidiosis. However, broilers receive diets containing several feed additives with distinct mode of actions and yet there is dearth of empirical data on the expected responses.Future evaluations should consider combinations of additives to document animal responses and potential synergies.
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Affiliation(s)
- Elijah G. Kiarie
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - Haley Leung
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | | | - Rob Patterson
- Department of Technical Services and Innovation, Canadian Bio-Systems Inc., Calgary, AL, Canada
| | - John R. Barta
- Department of Pathobiology, University of Guelph, Guelph, ON, Canada
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19
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Mohajeri Amiri M, Fazeli MR, Babaee T, Amini M, Hayati Roodbari N, Mousavi SB, Samadi N. Production of Vitamin D 3 Enriched Biomass of Saccharomyces Cerevisiae as A Potential Food Supplement: Evaluation and Optimization of Culture Conditions Using Plackett-Burman and Response Surface Methodological Approaches. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2019; 18:974-987. [PMID: 31531078 PMCID: PMC6706739 DOI: 10.22037/ijpr.2019.1100660] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Vitamin D deficiency causes osteoporosis, osteopenia, fractures, rickets, and more recently is linked with some chronic illnesses such as cancer. Because of the safety and probiotic properties of the yeast Saccharomyces cerevisiae, we hypothesized that yeast cells enriched with cholecalciferol (vitamin D3) could represent a solution for prevention or treatment of vitamin D deficiency. In this study S. cerevisiae was used as a vitamin D3 accumulator for the first time and the optimal conditions for enrichment of S. cerevisiae were determined. The Plackett-Burman screening studies were used for selection of the most important factors affecting cholecalciferol entrapment. Response surface methodology was employed for optimization of cholecalciferol accumulation in S. cerevisiae cells by using Box-Behnken design. A modified quadratic polynomial model fit the data appropriately. The optimal points of variables to maximize the response were cholecalciferol initial concentration of 358021.16 IU/mL, tryptone concentration of 1.82 g/L, sucrose concentration of 7.13 % (w/v), and shaking speed of 140.46 rpm. The maximum amount of cholecalciferol in dry cell weight of S. cerevisiae was 4428.11 IU/g. The cholecalciferol entrapment in yeast biomass increased about two-folds in optimized condition which indicates efficiency of optimization.
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Affiliation(s)
- Morteza Mohajeri Amiri
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Reza Fazeli
- Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Tahereh Babaee
- Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohsen Amini
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasim Hayati Roodbari
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Seyed Babak Mousavi
- Biotechnology Group, Chemical Engineering Department, Tarbiat Modares University, Tehran, Iran
| | - Nasrin Samadi
- Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.,Pharmaceutical Quality Assurance Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
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20
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Liu Y, Chang J, Wang P, Yin QQ, Huang WW, Liu CQ, Bai XX, Zhu Q, Gao TZ, Zhou P. Effects of Saccharomyces cerevisiae on alleviating cytotoxicity of porcine jejunal epithelia cells induced by deoxynivalenol. AMB Express 2019; 9:137. [PMID: 31482249 PMCID: PMC6722165 DOI: 10.1186/s13568-019-0863-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Accepted: 08/23/2019] [Indexed: 02/06/2023] Open
Abstract
Deoxynivalenol (DON) is one of the mycotoxins most frequently encountering in cereal-based foods throughout the world. Saccharomyces cerevisiae was used to alleviate porcine jejunal epithelia cell (IPEC-J2) injury induced by DON in this study. The results indicated that cell viability and proliferation rates were significantly decreased when DON concentrations were increased from 0 to 64 µM after 24 h incubation (p < 0.05). The longer incubation time and higher DON concentrations would cause more serious effects on cell viability. S. cerevisiae could significantly degrade DON and decrease lactic dehydrogenase (LDH) release in the cells induced by DON (p < 0.05). DON (4 µM) could increase necrotic and apoptotic cell rates as well as decrease viable cell rates, compared with the control group (p < 0.05). However, S. cerevisiae addition in the DON group could decrease necrotic, late apoptotic and early apoptotic cell rates by 38.05%, 46.37% and 44.78% respectively, increase viable cell rates by 2.35%, compared with the single DON group (p < 0.05). In addition, S. cerevisiae addition could up-regulate mRNA abundances of IL-6, IL-8 and IL-10 in IPEC-J2 cells (p < 0.05), but down-regulate mRNA abundances of tight junction proteins (TJP-1) and occludin by 36.13% and 50.18% at 1 µM of DON (p < 0.05). It could be concluded that S. cerevisiae was able to alleviate IPEC-J2 cell damage exposed to DON.
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21
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de Melo Pereira GV, de Oliveira Coelho B, Magalhães Júnior AI, Thomaz-Soccol V, Soccol CR. How to select a probiotic? A review and update of methods and criteria. Biotechnol Adv 2018; 36:2060-2076. [PMID: 30266342 DOI: 10.1016/j.biotechadv.2018.09.003] [Citation(s) in RCA: 221] [Impact Index Per Article: 36.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 09/18/2018] [Accepted: 09/24/2018] [Indexed: 02/07/2023]
Abstract
International competition within the dairy market and increasing public awareness about the importance of functional food consumption are providing new challenges for innovation in the probiotic sector. In this context, countless references are currently dedicated to the selection and characterization of new species and more specific strains of probiotic bacteria. In general, these studies adopt basic selection criteria established by the World Health Organization (WHO), including host-associated stress resistance, epithelium adhesion ability, and antimicrobial activity. These aspects are applied to ensure that the candidate probiotic could withstand the stressful conditions of the human digestive system and exert functional proprieties. However, it cannot be assumed that these novel microbial strains are capable of offering several biological benefits attributed to probiotics. Additionally, safety-associated selection criteria, such as plasmid-associated antibiotic resistance spreading and enterotoxin production, are often neglected. This article reviews the recent developments in the processes, strategies, and methods, such as anticarcinogenic, antidepression, antianxiety, antiobesity, antidiabetic, immunostimulatory, and cholesterol-lowering assessments, to select probiotic strains with the ultimate objective of assisting future probiotic microbe evaluation studies.
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Affiliation(s)
| | - Bruna de Oliveira Coelho
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | | | - Vanete Thomaz-Soccol
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Carlos Ricardo Soccol
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, PR, Brazil.
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22
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French and Mediterranean-style diets: Contradictions, misconceptions and scientific facts-A review. Food Res Int 2018; 116:840-858. [PMID: 30717015 DOI: 10.1016/j.foodres.2018.09.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 08/29/2018] [Accepted: 09/08/2018] [Indexed: 12/15/2022]
Abstract
The determination of appropriate dietary strategies for the prevention of chronic degenerative diseases, cancer, diabetes, and cardiovascular diseases remains a challenging and highly relevant issue worldwide. Epidemiological dietary interventions have been studied for decades with contrasting impacts on human health. Moreover, research scientists and physicians have long debated diets encouraging alcohol intake, such as the Mediterranean and French-style diets, with regard to their impact on human health. Understanding the effects of these diets may help to improve in the treatment and prevention of diseases. However, further studies are warranted to determine which individual food components, or combinations thereof, have a beneficial impact on different diseases, since a large number of different compounds may occur in a single food, and their fate in vivo is difficult to measure. Most explanations for the positive effects of Mediterranean-style diet, and of the French paradox, have focused largely on the beneficial properties of antioxidants, among other compounds/metabolites, in foods and red wine. Wine is a traditional alcoholic beverage that has been associated with both healthy and harmful effects. Not withstanding some doubts, there is reasonable unanimity among researchers as to the beneficial effects of moderate wine consumption on cardiovascular disease, diabetes, osteoporosis, and longevity, which have been ascribed to polyphenolic compounds present in wine. Despite this, conflicting findings regarding the impact of alcohol consumption on human health, and contradictory findings concerning the effects of non-alcoholic wine components such as resveratrol, have led to confusion among consumers. In addition to these contradictions and misconceptions, there is a paucity of human research studies confirming known positive effects of polyphenols in vivo. Furthermore, studies balancing both known and unknown prognostic factors have mostly been conducted in vitro or using animal models. Moreover, current studies have shifted focus from red wine to dairy products, such as cheese, to explain the French paradox. The aim of this review is to highlight the contradictions, misconceptions, and scientific facts about wines and diets, giving special focus to the Mediterranean and French diets in disease prevention and human health improvement. To answer the multiplicity of questions regarding the effects of diet and specific diet components on health, and to relieve consumer uncertainty and promote health, comprehensive cross-demographic studies using the latest technologies, which include foodomics and integrated omics approaches, are warranted.
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Singh AK, Hertzberger RY, Knaus UG. Hydrogen peroxide production by lactobacilli promotes epithelial restitution during colitis. Redox Biol 2018; 16:11-20. [PMID: 29471162 PMCID: PMC5835490 DOI: 10.1016/j.redox.2018.02.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/01/2018] [Accepted: 02/10/2018] [Indexed: 12/14/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a multifactorial chronic inflammatory disease of the gastrointestinal tract, characterized by cycles of acute flares, recovery and remission phases. Treatments for accelerating tissue restitution and prolonging remission are scarce, but altering the microbiota composition to promote intestinal homeostasis is considered a safe, economic and promising approach. Although probiotic bacteria have not yet fulfilled fully their promise in clinical trials, understanding the mechanism of how they exert beneficial effects will permit devising improved therapeutic strategies. Here we probe if one of the defining features of lactobacilli, the ability to generate nanomolar H2O2, contributes to their beneficial role in colitis. H2O2 generation by wild type L. johnsonii was modified by either deleting or overexpressing the enzymatic H2O2 source(s) followed by orally administering the bacteria before and during DSS colitis. Boosting luminal H2O2 concentrations within a physiological range accelerated recovery from colitis, while significantly exceeding this H2O2 level triggered bacteraemia. This study supports a role for increasing H2O2 within the physiological range at the epithelial barrier, independently of the enzymatic source and/or delivery mechanism, for inducing recovery and remission in IBD.
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Affiliation(s)
- Ashish K Singh
- Conway Institute, School of Medicine, University College Dublin, Dublin, Ireland
| | - Rosanne Y Hertzberger
- Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands; NIZO Food Research, Ede, The Netherlands
| | - Ulla G Knaus
- Conway Institute, School of Medicine, University College Dublin, Dublin, Ireland.
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Anti-inflammatory potential of Lactobacillus plantarum LS/07 in acute colitis in rats. ACTA VET-BEOGRAD 2018. [DOI: 10.2478/acve-2018-0005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Abstract
To evaluate the efficiency of the probiotic strain Lactobacillus plantarum LS/07 in dextran sulphate sodium (DSS) induced acute colitis selected biochemical (activity of β-glucuronidase), microbiological (counts of lactobacilli and coliforms), and immunological (IL-6, IL-8, IL-13, NF-κB, MPO) parameters were assessed. Sprague-Dawley rats were divided into groups: Control, Acute colitis, and Probiotic. Acute colitis was induced using 5% DSS in drinking water for 7d. DSS induced an inflammatory process in the colonic tissue, increased the activity of β-glucuronidase (p<0.001), increased the counts of coliform bacteria and decreased lactobacilli counts (p<0.05), and activated the production of the measured parameters (NF-κB, MPO, IL-6, IL-8) except of IL-13. Lactobacillus plantarum LS/07 in the diet alleviated the DSS induced inflammatory process by inhibiting the production of IL-6, IL-8, the activities of NF-κB and MPO, and stimulated the production of IL-13. The probiotic reduced the activity of β-glucuronidase (p<0.05), increased lactobacilli counts and decreased coliform bacteria. These results indicate that dietary intake of Lactobacillus plantarum LS/07 suppressed the expression of markers playing an important role in the inflammatory process. We conclude that the anti-inflammatory properties of Lactobacillus plantarum LS/07 makes its suitable for the prevention or treatment of colitis.
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Fakruddin M, Hossain MN, Ahmed MM. Antimicrobial and antioxidant activities of Saccharomyces cerevisiae IFST062013, a potential probiotic. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:64. [PMID: 28109187 PMCID: PMC5251302 DOI: 10.1186/s12906-017-1591-9] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 01/17/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Probiotic yeast has become a field of interest to scientists in recent years. METHODS Conventional cultural method was employed to isolate and identify yeast and standard methods were used to determine different probiotic attributes, antimicrobial and antioxidant properties. RESULTS This study reports potential probiotic properties of a strain of S. cerevisiae IFST 062013 isolated from fruit. The isolate is tolerant to a wide range of temperature and pH, high concentration of bile salt and NaCl, gastric juice, intestinal environment, α-amylase, trypsin and lysozyme. It can produce organic acid and showed resistance against tetracycline, ampicillin, gentamycin, penicillin, polymixin B and nalidixic acid. It can assimilate cholesterol, can produce killer toxin, vitamin B12, glutathione, siderophore and strong biofilm. It showed moderate auto-aggregation ability and cell surface hydrophobicity. The isolate can produce enzymes such as amylase, protease, lipase, cellulose, but unable to produce galactosidase. The isolate can't produce gelatinase and DNase. The isolate showed moderate anti-microbial activity against bacteria and fungi and cell lysate showed better antimicrobial activity than whole cell and culture supernatant. Again, the isolate showed better anti-bacterial activity against gram negative bacteria than gram positive. The isolate showed strong antioxidant activity, reducing power, nitric oxide and hydroxyl radical scavenging activity, significant brine shrimp cytotoxicity and acute toxicity and metal ion chelating activity. The isolate did not induce any detectable change in general health of mice upon oral toxicity testing and found to be safe in mouse model. The isolate improve lymphocyte proliferation and cytokine production in treated mice. CONCLUSIONS Such isolate could be potential as probiotic to be used therapeutically.
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Affiliation(s)
- Md Fakruddin
- Industrial Microbiology Laboratory, Institute of Food Science and Technology (IFST), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh.
| | - Md Nur Hossain
- Industrial Microbiology Laboratory, Institute of Food Science and Technology (IFST), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Monzur Morshed Ahmed
- Industrial Microbiology Laboratory, Institute of Food Science and Technology (IFST), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
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26
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Smith IM, Baker A, Christensen JE, Boekhout T, Frøkiær H, Arneborg N, Jespersen L. Kluyveromyces marxianus and Saccharomyces boulardii Induce Distinct Levels of Dendritic Cell Cytokine Secretion and Significantly Different T Cell Responses In Vitro. PLoS One 2016; 11:e0167410. [PMID: 27898740 PMCID: PMC5127564 DOI: 10.1371/journal.pone.0167410] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Accepted: 11/14/2016] [Indexed: 02/07/2023] Open
Abstract
Interactions between members of the intestinal microbiota and the mucosal immune system can significantly impact human health, and in this context, fungi and food-related yeasts are known to influence intestinal inflammation through direct interactions with specialized immune cells in vivo. The aim of the present study was to characterize the immune modulating properties of the food-related yeast Kluyveromyces marxianus in terms of adaptive immune responses indicating inflammation versus tolerance and to explore the mechanisms behind the observed responses. Benchmarking against a Saccharomyces boulardii strain with probiotic effects documented in clinical trials, we evaluated the ability of K. marxianus to modulate human dendritic cell (DC) function in vitro. Further, we assessed yeast induced DC modulation of naive T cells toward effector responses dominated by secretion of IFNγ and IL-17 versus induction of a Treg response characterized by robust IL-10 secretion. In addition, we blocked relevant DC surface receptors and investigated the stimulating properties of β-glucan containing yeast cell wall extracts. K. marxianus and S. boulardii induced distinct levels of DC cytokine secretion, primarily driven by Dectin-1 recognition of β-glucan components in their cell walls. Upon co-incubation of yeast exposed DCs and naive T cells, S. boulardii induced a potent IFNγ response indicating TH1 mobilization. In contrast, K. marxianus induced a response dominated by Foxp3+ Treg cells, a characteristic that may benefit human health in conditions characterized by excessive inflammation and positions K. marxianus as a strong candidate for further development as a novel yeast probiotic.
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Affiliation(s)
- Ida M. Smith
- Health & Nutrition Division Discovery, Chr. Hansen A/S, Hørsholm, Denmark
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
- * E-mail:
| | - Adam Baker
- Health & Nutrition Division Discovery, Chr. Hansen A/S, Hørsholm, Denmark
| | - Jeffrey E. Christensen
- Institute of Metabolic and Cardiovascular Disease, French Institute of Health and Medical Research (INSERM), Toulouse, France
| | - Teun Boekhout
- CBS-KNAW Fungal Biodiversity Centre, Utrecht, The Netherlands
| | - Hanne Frøkiær
- Department of Veterinary Disease Biology, University of Copenhagen, Frederiksberg, Denmark
| | - Nils Arneborg
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | - Lene Jespersen
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
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27
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Saber A, Alipour B, Faghfoori Z, Yari Khosroushahi A. Cellular and molecular effects of yeast probiotics on cancer. Crit Rev Microbiol 2016; 43:96-115. [PMID: 27561003 DOI: 10.1080/1040841x.2016.1179622] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The cancer is one of the main causes of human deaths worldwide. The exact mechanisms of initiation and progression of malignancies are not clear yet, but there is a common agreement about the role of colonic microbiota in the etiology of different cancers. Probiotics have been examined for their anti-cancer effects, and different mechanisms have been suggested about their antitumor functions. Nonpathogenic yeasts, as members of probiotics family, can be effective on gut microbiota dysbiosis. Generally safe yeasts have shown so many beneficial effects on human health. Probiotic yeasts influence physiology, metabolism, and immune homeostasis in the colon and contribute to cancer treatment due to possessing anti-inflammatory, anti-proliferative and anti-cancer properties. This study reviews some of the health-beneficial effects of probiotic yeasts and their biological substances like folic acid and β-glucan on cancer and focuses on the possible cellular and molecular mechanisms of probiotic yeasts such as influencing pathogenic bacteria, inactivation of carcinogenic compounds, especially those derived from food, improvement of intestinal barrier function, modulation of immune responses, antitoxic function, apoptosis, and anti-proliferative effects.
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Affiliation(s)
- Amir Saber
- a Biotechnology Research Center, Faculty of Nutrition, Tabriz University of Medical Sciences , Tabriz , Iran.,b Student Research Committee, Faculty of Nutrition, Tabriz University of Medical Sciences , Tabriz , Iran.,c Department of Biochemistry and Diet Therapy , Faculty of Nutrition, Tabriz University of Medical Sciences , Tabriz , Iran
| | - Beitollah Alipour
- c Department of Biochemistry and Diet Therapy , Faculty of Nutrition, Tabriz University of Medical Sciences , Tabriz , Iran.,d Nutrition Research Center, Faculty of Nutrition, Tabriz University of Medical Sciences , Tabriz , Iran
| | - Zeinab Faghfoori
- e Faculty of Medicine, Semnan University of Medical Sciences , Semnan , Iran
| | - Ahmad Yari Khosroushahi
- f Drug Applied Research Center, Faculty of Pharmacy, Tabriz University of Medical Sciences , Tabriz , Iran.,g Department of Pharmacognosy , Faculty of Pharmacy, Tabriz University of Medical Sciences , Tabriz , Iran
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Govender M, Choonara YE, van Vuuren S, Kumar P, du Toit LC, Pillay V. Design and evaluation of an oral multiparticulate system for dual delivery of amoxicillin and Lactobacillus acidophilus. Future Microbiol 2016; 11:1133-45. [PMID: 27545143 DOI: 10.2217/fmb-2016-0059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
AIM A delayed-release dual delivery system for amoxicillin and the probiotic Lactobacillus acidophilus was developed and evaluated. MATERIALS & METHODS Statistical optimization of a cross-linked denatured ovalbumin protective matrix was first synthesized using a Box-Behnken experimental design prior to encapsulation with glyceryl monostereate. The encapsulated ovalbumin matrix was thereafter incorporated with amoxicillin in a gastro-resistant capsule. In vitro characterization and stability analysis of the ovalbumin and encapsulated components were also performed Results: Protection of L. acidophilus probiotic against the bactericidal effects of amoxicillin within the dual formulation was determined. CONCLUSION The dual formulation in this study proved effective and provides insight into current microbiome research to identify, classify and use functional healthy bacteria to develop novel probiotic delivery technologies.
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Affiliation(s)
- Mershen Govender
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy & Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Yahya E Choonara
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy & Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Sandy van Vuuren
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy & Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Pradeep Kumar
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy & Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Lisa C du Toit
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy & Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
| | - Viness Pillay
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy & Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown, 2193, South Africa
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Fiorda FA, de Melo Pereira GV, Thomaz-Soccol V, Medeiros AP, Rakshit SK, Soccol CR. Development of kefir-based probiotic beverages with DNA protection and antioxidant activities using soybean hydrolyzed extract, colostrum and honey. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2016.01.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Rizzetto L, Ifrim DC, Moretti S, Tocci N, Cheng SC, Quintin J, Renga G, Oikonomou V, De Filippo C, Weil T, Blok BA, Lenucci MS, Santos MAS, Romani L, Netea MG, Cavalieri D. Fungal Chitin Induces Trained Immunity in Human Monocytes during Cross-talk of the Host with Saccharomyces cerevisiae. J Biol Chem 2016; 291:7961-72. [PMID: 26887946 DOI: 10.1074/jbc.m115.699645] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Indexed: 11/06/2022] Open
Abstract
The immune system is essential to maintain the mutualistic homeostatic interaction between the host and its micro- and mycobiota. Living as a commensal,Saccharomyces cerevisiaecould potentially shape the immune response in a significant way. We observed thatS. cerevisiaecells induce trained immunity in monocytes in a strain-dependent manner through enhanced TNFα and IL-6 production upon secondary stimulation with TLR ligands, as well as bacterial and fungal commensals. Differential chitin content accounts for the differences in training properties observed among strains, driving induction of trained immunity by increasing cytokine production and direct antimicrobial activity bothin vitroandin vivo These chitin-induced protective properties are intimately associated with its internalization, identifying a critical role of phagosome acidification to facilitate microbial digestion. This study reveals how commensal and passenger microorganisms could be important in promoting health and preventing mucosal diseases by modulating host defense toward pathogens and thus influencing the host microbiota-immune system interactions.
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Affiliation(s)
- Lisa Rizzetto
- From the Research and Innovation Centre, Fondazione Edmund Mach, 38010 San Michele all'Adige TN, Italy
| | - Daniela C Ifrim
- the Department of Internal Medicine, Division of Experimental Internal Medicine, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Silvia Moretti
- the Department of Experimental Medicine, University of Perugia, Polo Unico Sant'Andrea delle Fratte, 06123 Perugia PG, Italy
| | - Noemi Tocci
- From the Research and Innovation Centre, Fondazione Edmund Mach, 38010 San Michele all'Adige TN, Italy
| | - Shih-Chin Cheng
- the Department of Internal Medicine, Division of Experimental Internal Medicine, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Jessica Quintin
- the Department of Internal Medicine, Division of Experimental Internal Medicine, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Giorgia Renga
- the Department of Experimental Medicine, University of Perugia, Polo Unico Sant'Andrea delle Fratte, 06123 Perugia PG, Italy
| | - Vasilis Oikonomou
- the Department of Experimental Medicine, University of Perugia, Polo Unico Sant'Andrea delle Fratte, 06123 Perugia PG, Italy
| | - Carlotta De Filippo
- From the Research and Innovation Centre, Fondazione Edmund Mach, 38010 San Michele all'Adige TN, Italy, the Institute of Biometeorology, National Research Council, 50145 Florence, Italy
| | - Tobias Weil
- From the Research and Innovation Centre, Fondazione Edmund Mach, 38010 San Michele all'Adige TN, Italy
| | - Bastiaan A Blok
- the Department of Internal Medicine, Division of Experimental Internal Medicine, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Marcello S Lenucci
- the Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università del Salento, 73100 Lecce LE, Italy
| | - Manuel A S Santos
- the Department of Biology and CESAM (Centro de Estudos do Ambiente e do Mar), University of Aveiro, 3810-193 Aveiro, Portugal, and
| | - Luigina Romani
- the Department of Experimental Medicine, University of Perugia, Polo Unico Sant'Andrea delle Fratte, 06123 Perugia PG, Italy
| | - Mihai G Netea
- the Department of Internal Medicine, Division of Experimental Internal Medicine, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Duccio Cavalieri
- From the Research and Innovation Centre, Fondazione Edmund Mach, 38010 San Michele all'Adige TN, Italy, the Institute of Biometeorology, National Research Council, 50145 Florence, Italy, the Department of Biology, University of Florence, 50019 Sesto Fiorentino FI, Italy
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Cordonnier C, Thévenot J, Etienne-Mesmin L, Denis S, Alric M, Livrelli V, Blanquet-Diot S. Dynamic In Vitro Models of the Human Gastrointestinal Tract as Relevant Tools to Assess the Survival of Probiotic Strains and Their Interactions with Gut Microbiota. Microorganisms 2015; 3:725-45. [PMID: 27682114 PMCID: PMC5023271 DOI: 10.3390/microorganisms3040725] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 06/08/2015] [Accepted: 09/11/2015] [Indexed: 02/07/2023] Open
Abstract
The beneficial effects of probiotics are conditioned by their survival during passage through the human gastrointestinal tract and their ability to favorably influence gut microbiota. The main objective of this study was to use dynamic in vitro models of the human digestive tract to investigate the effect of fasted or fed state on the survival kinetics of the new probiotic Saccharomyces cerevisiae strain CNCM I-3856 and to assess its influence on intestinal microbiota composition and activity. The probiotic yeast showed a high survival rate in the upper gastrointestinal tract whatever the route of admistration, i.e., within a glass of water or a Western-type meal. S. cerevisiae CNCM I-3856 was more sensitive to colonic conditions, as the strain was not able to colonize within the bioreactor despite a twice daily administration. The main bacterial populations of the gut microbiota, as well as the production of short chain fatty acids were not influenced by the probiotic treatment. However, the effect of the probiotic on the gut microbiota was found to be individual dependent. This study shows that dynamic in vitro models can be advantageously used to provide useful insight into the behavior of probiotic strains in the human digestive environment.
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Affiliation(s)
- Charlotte Cordonnier
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
- Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Unité Mixte de Recherche Institut National de la Santé Et de la Recherche Médicale (UMR INSERM) / Université d'Auvergne U1071 Unité Sous Contrat - Institut National de Recherche Agronomique (USC-INRA) 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, CBRV 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Jonathan Thévenot
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
- Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Unité Mixte de Recherche Institut National de la Santé Et de la Recherche Médicale (UMR INSERM) / Université d'Auvergne U1071 Unité Sous Contrat - Institut National de Recherche Agronomique (USC-INRA) 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, CBRV 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Lucie Etienne-Mesmin
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
- Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Unité Mixte de Recherche Institut National de la Santé Et de la Recherche Médicale (UMR INSERM) / Université d'Auvergne U1071 Unité Sous Contrat - Institut National de Recherche Agronomique (USC-INRA) 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, CBRV 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Sylvain Denis
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Monique Alric
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Valérie Livrelli
- Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Unité Mixte de Recherche Institut National de la Santé Et de la Recherche Médicale (UMR INSERM) / Université d'Auvergne U1071 Unité Sous Contrat - Institut National de Recherche Agronomique (USC-INRA) 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, CBRV 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
- Service de Bactériologie, Centre Hospitalier Universitaire (CHU), Clermont-Ferrand, 58 rue Montalembert, 63000 Clermont-Ferrand, France.
| | - Stéphanie Blanquet-Diot
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
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Palma ML, Zamith-Miranda D, Martins FS, Bozza FA, Nimrichter L, Montero-Lomeli M, Marques ETA, Douradinha B. Probiotic Saccharomyces cerevisiae strains as biotherapeutic tools: is there room for improvement? Appl Microbiol Biotechnol 2015; 99:6563-70. [PMID: 26142388 DOI: 10.1007/s00253-015-6776-x] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 06/14/2015] [Accepted: 06/17/2015] [Indexed: 02/06/2023]
Abstract
The probiotic yeast Saccharomyces cerevisiae var boulardii is widely used as a low cost and efficient adjuvant against gastrointestinal tract disorders such as inflammatory bowel disease and treatment of several types of diarrhea, both in humans and animals. S. boulardii exerts its protective mechanisms by binding and neutralizing enteric pathogens or their toxins, by reducing inflammation and by inducing the secretion of sIgA. Although several S. cerevisiae strains have proven probiotic potential in both humans and animals, only S. boulardii is currently licensed for use in humans. Recently, some researchers started using S. boulardii as heterologous protein expression systems. Combined with their probiotic activity, the use of these strains as prophylactic and therapeutic proteins carriers might result in a positive combined effort to fight specific diseases. Here, we provide an overview of the current use of S. cerevisiae strains as probiotics and their mechanisms of action. We also discuss their potential to produce molecules with biotherapeutic application and the advantages and hurdles of this approach. Finally, we suggest future directions and alternatives for which the combined effort of specific immunomodulatory effects of probiotic S. cerevisiae strains and ability to express desired foreign genes would find a practical application.
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Affiliation(s)
- Mariana L Palma
- Laboratório de Dermatologia e Imunodeficiências, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
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Plé C, Breton J, Daniel C, Foligné B. Maintaining gut ecosystems for health: Are transitory food bugs stowaways or part of the crew? Int J Food Microbiol 2015; 213:139-43. [PMID: 25816749 DOI: 10.1016/j.ijfoodmicro.2015.03.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 03/09/2015] [Accepted: 03/15/2015] [Indexed: 02/07/2023]
Abstract
Do food ecosystems feed gut ecosystems? And if so… fuel the immune system? Recent developments in metagenomics have provided researchers tools to open the "black box" of microbiome science. These novel technologies have enabled the establishment of correlations between dysbiotic microbial communities and many diseases. The complex interaction of the commensal microbiota with the immune system is a topic of substantial interest due to its relevance to health. The human gastrointestinal tract is composed of an immense number of resident and transient microorganisms. Both may play a direct and vital role in the maintenance of human health and well-being. An understanding of the interactions and mechanisms through which commensal and food-derived microbes shape host immunity and metabolism may yield new insights into the pathogenesis of many immune-mediated diseases. Consequently, by manipulating the contribution of food microbiota to the functionality of the gut ecosystem, there is great hope for development of new prophylactic and therapeutic interventions. This paper presents some insights and comments on the possible impact of exogenous fermented food microbes on the gut homeostasis. We shed light on the similar features shared by both fermented food microbes and probiotics. In particular, the key role of microbial strains as part of food ecosystems for health and diseases is discussed through the prism of fermented dairy products and gut inflammation.
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Affiliation(s)
- Coline Plé
- Center for Infection and Immunity of Lille, Institut Pasteur de Lille, Team Lactic Acid Bacteria & Mucosal Immunity, INSERM U1019, CNRS UMR 8204, University of Lille, 1 Rue du Pr Calmette, BP 245, F-59019 Lille, France
| | - Jérôme Breton
- Center for Infection and Immunity of Lille, Institut Pasteur de Lille, Team Lactic Acid Bacteria & Mucosal Immunity, INSERM U1019, CNRS UMR 8204, University of Lille, 1 Rue du Pr Calmette, BP 245, F-59019 Lille, France
| | - Catherine Daniel
- Center for Infection and Immunity of Lille, Institut Pasteur de Lille, Team Lactic Acid Bacteria & Mucosal Immunity, INSERM U1019, CNRS UMR 8204, University of Lille, 1 Rue du Pr Calmette, BP 245, F-59019 Lille, France
| | - Benoît Foligné
- Center for Infection and Immunity of Lille, Institut Pasteur de Lille, Team Lactic Acid Bacteria & Mucosal Immunity, INSERM U1019, CNRS UMR 8204, University of Lille, 1 Rue du Pr Calmette, BP 245, F-59019 Lille, France.
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Papadimitriou K, Zoumpopoulou G, Foligné B, Alexandraki V, Kazou M, Pot B, Tsakalidou E. Discovering probiotic microorganisms: in vitro, in vivo, genetic and omics approaches. Front Microbiol 2015; 6:58. [PMID: 25741323 PMCID: PMC4330916 DOI: 10.3389/fmicb.2015.00058] [Citation(s) in RCA: 191] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Accepted: 01/17/2015] [Indexed: 12/13/2022] Open
Abstract
Over the past decades the food industry has been revolutionized toward the production of functional foods due to an increasing awareness of the consumers on the positive role of food in wellbeing and health. By definition probiotic foods must contain live microorganisms in adequate amounts so as to be beneficial for the consumer’s health. There are numerous probiotic foods marketed today and many probiotic strains are commercially available. However, the question that arises is how to determine the real probiotic potential of microorganisms. This is becoming increasingly important, as even a superficial search of the relevant literature reveals that the number of proclaimed probiotics is growing fast. While the vast majority of probiotic microorganisms are food-related or commensal bacteria that are often regarded as safe, probiotics from other sources are increasingly being reported raising possible regulatory and safety issues. Potential probiotics are selected after in vitro or in vivo assays by evaluating simple traits such as resistance to the acidic conditions of the stomach or bile resistance, or by assessing their impact on complicated host functions such as immune development, metabolic function or gut–brain interaction. While final human clinical trials are considered mandatory for communicating health benefits, rather few strains with positive studies have been able to convince legal authorities with these health claims. Consequently, concern has been raised about the validity of the workflows currently used to characterize probiotics. In this review we will present an overview of the most common assays employed in screening for probiotics, highlighting the potential strengths and limitations of these approaches. Furthermore, we will focus on how the advent of omics technologies has reshaped our understanding of the biology of probiotics, allowing the exploration of novel routes for screening and studying such microorganisms.
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Affiliation(s)
- Konstantinos Papadimitriou
- Laboratory of Dairy Research, Department of Food Science and Human Nutrition, Agricultural University of Athens, Athens Greece
| | - Georgia Zoumpopoulou
- Laboratory of Dairy Research, Department of Food Science and Human Nutrition, Agricultural University of Athens, Athens Greece
| | - Benoit Foligné
- Bactéries Lactiques et Immunité des Muqueuses, Institut Pasteur de Lille, Centre d'Infection et d'Immunité de Lille, Université Lille Nord de France, CNRS UMR8204, Lille France
| | - Voula Alexandraki
- Laboratory of Dairy Research, Department of Food Science and Human Nutrition, Agricultural University of Athens, Athens Greece
| | - Maria Kazou
- Laboratory of Dairy Research, Department of Food Science and Human Nutrition, Agricultural University of Athens, Athens Greece
| | - Bruno Pot
- Bactéries Lactiques et Immunité des Muqueuses, Institut Pasteur de Lille, Centre d'Infection et d'Immunité de Lille, Université Lille Nord de France, CNRS UMR8204, Lille France
| | - Effie Tsakalidou
- Laboratory of Dairy Research, Department of Food Science and Human Nutrition, Agricultural University of Athens, Athens Greece
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Plé C, Adouard N, Breton J, Dewulf J, Pot B, Bonnarme P, Foligné B. Designing specific cheese-ripening ecosystems to shape the immune effects of dairy products? J Funct Foods 2015. [DOI: 10.1016/j.jff.2014.11.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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In vitro characterization of the digestive stress response and immunomodulatory properties of microorganisms isolated from smear-ripened cheese. Int J Food Microbiol 2014; 197:98-107. [PMID: 25589362 DOI: 10.1016/j.ijfoodmicro.2014.12.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 12/09/2014] [Accepted: 12/14/2014] [Indexed: 11/20/2022]
Abstract
Thirty-six microorganisms (twenty-one bacteria, twelve yeasts and three fungi) were isolated from surface-ripened cheeses and subjected to in vitro digestive stress. The approach mimicked gastric and/or duodenal digestion. Lactobacillus rhamnosus GG, Escherichia coli Nissle 1917 and Saccharomyces boulardii were used as reference strains. We studied the microorganisms grown separately in culture medium and then included (or not) in a rennet gel. The microorganisms' immunomodulatory abilities were also assessed by profiling cytokine induction in human peripheral blood mononuclear cells (PBMCs). The loss of viability was less than 1 log CFU/mL for yeasts under all conditions. In contrast, Gram-negative bacteria survived gastric and/or duodenal stress well but most of the Gram-positive bacteria were more sensitive (especially to gastric stress). Inclusion of sensitive Gram-positive bacteria in rennet gel dramatically improved gastric survival, when compared with a non-included cultured (with a 4 log CFU/mL change in survival). However, the rennet gel did not protect the bacteria against duodenal stress. The PBMC cytokine assay tests showed that the response to yeasts was usually anti-inflammatory, whereas the response to bacteria varied from one strain to another.
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Hull CM, Loveridge EJ, Donnison IS, Kelly DE, Kelly SL. Co-production of bioethanol and probiotic yeast biomass from agricultural feedstock: application of the rural biorefinery concept. AMB Express 2014; 4:64. [PMID: 25401067 PMCID: PMC4230830 DOI: 10.1186/s13568-014-0064-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Accepted: 08/04/2014] [Indexed: 11/18/2022] Open
Abstract
Microbial biotechnology and biotransformations promise to diversify the scope of the biorefinery approach for the production of high-value products and biofuels from industrial, rural and municipal waste feedstocks. In addition to bio-based chemicals and metabolites, microbial biomass itself constitutes an obvious but overlooked by-product of existing biofermentation systems which warrants fuller attention. The probiotic yeast Saccharomyces boulardii is used to treat gastrointestinal disorders and marketed as a human health supplement. Despite its relatedness to S. cerevisiae that is employed widely in biotechnology, food and biofuel industries, the alternative applications of S. boulardii are not well studied. Using a biorefinery approach, we compared the bioethanol and biomass yields attainable from agriculturally-sourced grass juice using probiotic S. boulardii (strain MYA-769) and a commercial S. cerevisiae brewing strain (Turbo yeast). Maximum product yields for MYA-769 (39.18 [±2.42] mg ethanol mL−1 and 4.96 [±0.15] g dry weight L−1) compared closely to those of Turbo (37.43 [±1.99] mg mL−1 and 4.78 [±0.10] g L−1, respectively). Co-production, marketing and/or on-site utilisation of probiotic yeast biomass as a direct-fed microbial to improve livestock health represents a novel and viable prospect for rural biorefineries. Given emergent evidence to suggest that dietary yeast supplementations might also mitigate ruminant enteric methane emissions, the administration of probiotic yeast biomass could also offer an economically feasible way of reducing atmospheric CH4.
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Smith IM, Christensen JE, Arneborg N, Jespersen L. Yeast modulation of human dendritic cell cytokine secretion: an in vitro study. PLoS One 2014; 9:e96595. [PMID: 24816850 PMCID: PMC4015989 DOI: 10.1371/journal.pone.0096595] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Accepted: 04/10/2014] [Indexed: 02/07/2023] Open
Abstract
Probiotics are live microorganisms which when administered in adequate amounts confer a health benefit on the host. The concept of individual microorganisms influencing the makeup of T cell subsets via interactions with intestinal dendritic cells (DCs) appears to constitute the foundation for immunoregulatory effects of probiotics, and several studies have reported probiotic strains resulting in reduction of intestinal inflammation through modulation of DC function. Consequent to a focus on Saccharomyces boulardii as the fundamental probiotic yeast, very little is known about hundreds of non-Saccharomyces yeasts in terms of their interaction with the human gastrointestinal immune system. The aim of the present study was to evaluate 170 yeast strains representing 75 diverse species for modulation of inflammatory cytokine secretion by human DCs in vitro, as compared to cytokine responses induced by a S. boulardii reference strain with probiotic properties documented in clinical trials. Furthermore, we investigated whether cytokine inducing interactions between yeasts and human DCs are dependent upon yeast viability or rather a product of membrane interactions regardless of yeast metabolic function. We demonstrate high diversity in yeast induced cytokine profiles and employ multivariate data analysis to reveal distinct clustering of yeasts inducing similar cytokine profiles in DCs, highlighting clear species distinction within specific yeast genera. The observed differences in induced DC cytokine profiles add to the currently very limited knowledge of the cross-talk between yeasts and human immune cells and provide a foundation for selecting yeast strains for further characterization and development toward potentially novel yeast probiotics. Additionally, we present data to support a hypothesis that the interaction between yeasts and human DCs does not solely depend on yeast viability, a concept which may suggest a need for further classifications beyond the current definition of a probiotic.
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Affiliation(s)
- Ida M. Smith
- Health & Nutrition Division Discovery, Chr. Hansen A/S, Hørsholm, Denmark
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | | | - Nils Arneborg
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | - Lene Jespersen
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
- * E-mail:
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Anti-inflammatory properties of Streptococcus salivarius, a commensal bacterium of the oral cavity and digestive tract. Appl Environ Microbiol 2013; 80:928-34. [PMID: 24271166 DOI: 10.1128/aem.03133-13] [Citation(s) in RCA: 118] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Streptococcus salivarius is one of the first colonizers of the human oral cavity and gut after birth and therefore may contribute to the establishment of immune homeostasis and regulation of host inflammatory responses. The anti-inflammatory potential of S. salivarius was first evaluated in vitro on human intestinal epithelial cells and human peripheral blood mononuclear cells. We show that live S. salivarius strains inhibited in vitro the activation of the NF-κB pathway on intestinal epithelial cells. We also demonstrate that the live S. salivarius JIM8772 strain significantly inhibited inflammation in severe and moderate colitis mouse models. These in vitro and in vivo anti-inflammatory properties were not found with heat-killed S. salivarius, suggesting a protective response exclusively with metabolically active bacteria.
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Marsh AJ, O'Sullivan O, Hill C, Ross RP, Cotter PD. Sequence-based analysis of the microbial composition of water kefir from multiple sources. FEMS Microbiol Lett 2013; 348:79-85. [PMID: 24004255 DOI: 10.1111/1574-6968.12248] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 08/29/2013] [Accepted: 09/02/2013] [Indexed: 11/29/2022] Open
Abstract
Water kefir is a water-sucrose-based beverage, fermented by a symbiosis of bacteria and yeast to produce a final product that is lightly carbonated, acidic and that has a low alcohol percentage. The microorganisms present in water kefir are introduced via water kefir grains, which consist of a polysaccharide matrix in which the microorganisms are embedded. We aimed to provide a comprehensive sequencing-based analysis of the bacterial population of water kefir beverages and grains, while providing an initial insight into the corresponding fungal population. To facilitate this objective, four water kefirs were sourced from the UK, Canada and the United States. Culture-independent, high-throughput, sequencing-based analyses revealed that the bacterial fraction of each water kefir and grain was dominated by Zymomonas, an ethanol-producing bacterium, which has not previously been detected at such a scale. The other genera detected were representatives of the lactic acid bacteria and acetic acid bacteria. Our analysis of the fungal component established that it was comprised of the genera Dekkera, Hanseniaspora, Saccharomyces, Zygosaccharomyces, Torulaspora and Lachancea. This information will assist in the ultimate identification of the microorganisms responsible for the potentially health-promoting attributes of these beverages.
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Affiliation(s)
- Alan J Marsh
- Teagasc Food Research Centre, Fermoy, Co. Cork, Ireland; Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland; Microbiology Department, University College Cork, Cork, Ireland
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41
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Huys G, Botteldoorn N, Delvigne F, De Vuyst L, Heyndrickx M, Pot B, Dubois JJ, Daube G. Microbial characterization of probiotics--advisory report of the Working Group "8651 Probiotics" of the Belgian Superior Health Council (SHC). Mol Nutr Food Res 2013; 57:1479-504. [PMID: 23801655 PMCID: PMC3910143 DOI: 10.1002/mnfr.201300065] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Revised: 01/22/2013] [Accepted: 02/20/2013] [Indexed: 12/17/2022]
Abstract
When ingested in sufficient numbers, probiotics are expected to confer one or more proven health benefits on the consumer. Theoretically, the effectiveness of a probiotic food product is the sum of its microbial quality and its functional potential. Whereas the latter may vary much with the body (target) site, delivery mode, human target population, and health benefit envisaged microbial assessment of the probiotic product quality is more straightforward. The range of stakeholders that need to be informed on probiotic quality assessments is extremely broad, including academics, food and biotherapeutic industries, healthcare professionals, competent authorities, consumers, and professional press. In view of the rapidly expanding knowledge on this subject, the Belgian Superior Health Council installed Working Group "8651 Probiotics" to review the state of knowledge regarding the methodologies that make it possible to characterize strains and products with purported probiotic activity. This advisory report covers three main steps in the microbial quality assessment process, i.e. (i) correct species identification and strain-specific typing of bacterial and yeast strains used in probiotic applications, (ii) safety assessment of probiotic strains used for human consumption, and (iii) quality of the final probiotic product in terms of its microbial composition, concentration, stability, authenticity, and labeling.
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Affiliation(s)
- Geert Huys
- Laboratory for Microbiology & BCCM/LMG Bacteria Collection, Faculty of Sciences, Ghent University, Ghent, Belgium.
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Marsh AJ, O’Sullivan O, Hill C, Ross RP, Cotter PD. Sequencing-based analysis of the bacterial and fungal composition of kefir grains and milks from multiple sources. PLoS One 2013; 8:e69371. [PMID: 23894461 PMCID: PMC3716650 DOI: 10.1371/journal.pone.0069371] [Citation(s) in RCA: 143] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2013] [Accepted: 06/07/2013] [Indexed: 12/25/2022] Open
Abstract
Kefir is a fermented milk-based beverage to which a number of health-promoting properties have been attributed. The microbes responsible for the fermentation of milk to produce kefir consist of a complex association of bacteria and yeasts, bound within a polysaccharide matrix, known as the kefir grain. The consistency of this microbial population, and that present in the resultant beverage, has been the subject of a number of previous, almost exclusively culture-based, studies which have indicated differences depending on geographical location and culture conditions. However, culture-based identification studies are limited by virtue of only detecting species with the ability to grow on the specific medium used and thus culture-independent, molecular-based techniques offer the potential for a more comprehensive analysis of such communities. Here we describe a detailed investigation of the microbial population, both bacterial and fungal, of kefir, using high-throughput sequencing to analyse 25 kefir milks and associated grains sourced from 8 geographically distinct regions. This is the first occasion that this technology has been employed to investigate the fungal component of these populations or to reveal the microbial composition of such an extensive number of kefir grains or milks. As a result several genera and species not previously identified in kefir were revealed. Our analysis shows that the bacterial populations in kefir are dominated by 2 phyla, the Firmicutes and the Proteobacteria. It was also established that the fungal populations of kefir were dominated by the genera Kazachstania, Kluyveromyces and Naumovozyma, but that a variable sub-dominant population also exists.
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Affiliation(s)
- Alan J. Marsh
- Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
- Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland
- Microbiology Department, University College Cork, Cork, Ireland
| | | | - Colin Hill
- Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland
- Microbiology Department, University College Cork, Cork, Ireland
- * E-mail: (CH); (PDC)
| | - R. Paul Ross
- Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
- Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland
| | - Paul D. Cotter
- Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
- Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland
- * E-mail: (CH); (PDC)
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Rizzetto L, Giovannini G, Bromley M, Bowyer P, Romani L, Cavalieri D. Strain dependent variation of immune responses to A. fumigatus: definition of pathogenic species. PLoS One 2013; 8:e56651. [PMID: 23441211 PMCID: PMC3575482 DOI: 10.1371/journal.pone.0056651] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Accepted: 01/11/2013] [Indexed: 11/19/2022] Open
Abstract
For over a century microbiologists and immunologist have categorized microorganisms as pathogenic or non-pathogenic species or genera. This definition, clearly relevant at the strain and species level for most bacteria, where differences in virulence between strains of a particular species are well known, has never been probed at the strain level in fungal species. Here, we tested the immune reactivity and the pathogenic potential of a collection of strains from Aspergillus spp, a fungus that is generally considered pathogenic in immuno-compromised hosts. Our results show a wide strain-dependent variation of the immune response elicited indicating that different isolates possess diverse virulence and infectivity. Thus, the definition of markers of inflammation or pathogenicity cannot be generalized. The profound understanding of the molecular mechanisms subtending the different immune responses will result solely from the comparative study of strains with extremely diverse properties.
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Affiliation(s)
- Lisa Rizzetto
- Department of Neuroscience, Pharmacology and Child’s Health (NEUROFARBA), University of Florence, Florence, Italy
| | - Gloria Giovannini
- Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Perugia, Italy
| | - Michael Bromley
- National Aspergillosis Centre and Mycology Reference Centre, University Hospital of South Manchester, University of Manchester, Manchester, United Kingdom
- School of Translational Medicine, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Paul Bowyer
- National Aspergillosis Centre and Mycology Reference Centre, University Hospital of South Manchester, University of Manchester, Manchester, United Kingdom
- School of Translational Medicine, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Luigina Romani
- Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Perugia, Italy
| | - Duccio Cavalieri
- Department of Neuroscience, Pharmacology and Child’s Health (NEUROFARBA), University of Florence, Florence, Italy
- Innovation and Research Center, Edmund Mach Fondation, San Michele all’Adige (TN), Italy
- * E-mail:
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Hatoum R, Labrie S, Fliss I. Antimicrobial and probiotic properties of yeasts: from fundamental to novel applications. Front Microbiol 2012; 3:421. [PMID: 23267352 PMCID: PMC3525881 DOI: 10.3389/fmicb.2012.00421] [Citation(s) in RCA: 130] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Accepted: 11/21/2012] [Indexed: 12/11/2022] Open
Abstract
The yeasts constitute a large and heterogeneous group of microorganisms that are currently attracting increased attention from scientists and industry. Numerous and diverse biological activities make them promising candidates for a wide range of applications not limited to the food sector. In addition to their major contribution to flavor development in fermented foods, their antagonistic activities toward undesirable bacteria, and fungi are now widely known. These activities are associated with their competitiveness for nutrients, acidification of their growth medium, their tolerance of high concentrations of ethanol, and release of antimicrobial compounds such as antifungal killer toxins or "mycocins" and antibacterial compounds. While the design of foods containing probiotics (microorganisms that confer health benefits) has focused primarily on Lactobacillus and Bifidobacterium, the yeast Saccharomyces cerevisiae var. boulardii has long been known effective for treating gastroenteritis. In this review, the antimicrobial activities of yeasts are examined. Mechanisms underlying this antagonistic activity as well as recent applications of these biologically active yeasts in both the medical and veterinary sectors are described.
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Affiliation(s)
- Rima Hatoum
- Nutraceuticals and Functional Foods Institute, STELA Dairy Research Centre, Université LavalQuébec, QC, Canada
| | - Steve Labrie
- Nutraceuticals and Functional Foods Institute, STELA Dairy Research Centre, Université LavalQuébec, QC, Canada
| | - Ismail Fliss
- Nutraceuticals and Functional Foods Institute, STELA Dairy Research Centre, Université LavalQuébec, QC, Canada
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45
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Nanau RM, Neuman MG. Nutritional and probiotic supplementation in colitis models. Dig Dis Sci 2012; 57:2786-810. [PMID: 22736018 DOI: 10.1007/s10620-012-2284-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2012] [Accepted: 06/08/2012] [Indexed: 01/01/2023]
Abstract
In vitro and animals models have long been used to study human diseases and identify novel therapeutic approaches that can be applied to combat these conditions. Ulcerative colitis and Crohn's disease are the two main entities of inflammatory bowel disease (IBD). There is an intricate relationship between IBD features in human patients, in vitro and animal colitis models, mechanisms and possible therapeutic approaches in these models, and strategies that can be extrapolated and applied in humans. Malnutrition, particularly protein-energy malnutrition and vitamin and micronutrient deficiencies, as well as dysregulation of the intestinal microbiota, are common features of IBD. Based on these observations, dietary supplementation with essential nutrients known to be in short supply in the diet in IBD patients and with other molecules believed to provide beneficial anti-inflammatory effects, as well as with probiotic organisms that stimulate immune functions and resistance to infection has been tested in colitis models. Here we review current knowledge on nutritional and probiotic supplementation in in vitro and animal colitis models. While some of these strategies require further fine-tuning before they can be applied in human IBD patients, their intended purpose is to prevent, delay or treat disease symptoms in a non-pharmaceutical manner.
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Affiliation(s)
- Radu M Nanau
- Department of Pharmacology and Toxicology, Institute of Drug Research, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
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46
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Suharja AA, Henriksson A, Liu SQ. Impact ofSaccharomyces Cerevisiaeon Viability of ProbioticLactobacillus Rhamnosusin Fermented Milk under Ambient Conditions. J FOOD PROCESS PRES 2012. [DOI: 10.1111/j.1745-4549.2012.00780.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Anggita A.S. Suharja
- Food Science and Technology Programme; Department of Chemistry; 4 Science Drive 4; National University of Singapore; Singapore 117543
| | | | - Shao-Quan Liu
- Food Science and Technology Programme; Department of Chemistry; 4 Science Drive 4; National University of Singapore; Singapore 117543
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Scientific Opinion on the substantiation of a health claim related to Saccharomyces cerevisiae var. boulardii CNCM I‐3799 and reducing gastro‐intestinal discomfort pursuant to Article 13(5) of Regulation (EC) No 1924/2006. EFSA J 2012. [DOI: 10.2903/j.efsa.2012.2801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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48
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Tierney L, Kuchler K, Rizzetto L, Cavalieri D. Systems biology of host-fungus interactions: turning complexity into simplicity. Curr Opin Microbiol 2012; 15:440-6. [PMID: 22717554 PMCID: PMC3501689 DOI: 10.1016/j.mib.2012.05.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2012] [Revised: 04/24/2012] [Accepted: 05/01/2012] [Indexed: 12/15/2022]
Abstract
Modeling interactions between fungi and their hosts at the systems level requires a molecular understanding both of how the host orchestrates immune surveillance and tolerance, and how this activation, in turn, affects fungal adaptation and survival. The transition from the commensal to pathogenic state, and the co-evolution of fungal strains within their hosts, necessitates the molecular dissection of fungal traits responsible for these interactions. There has been a dramatic increase in publically available genome-wide resources addressing fungal pathophysiology and host–fungal immunology. The integration of these existing data and emerging large-scale technologies addressing host–pathogen interactions requires novel tools to connect genome-wide data sets and theoretical approaches with experimental validation so as to identify inherent and emerging properties of host–pathogen relationships and to obtain a holistic view of infectious processes. If successful, a better understanding of the immune response in health and microbial diseases will eventually emerge and pave the way for improved therapies.
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Affiliation(s)
- Lanay Tierney
- Medical University of Vienna, Christian Doppler Laboratory Infection Biology, Max F. Perutz Laboratories, A-1030 Vienna, Austria
| | - Karl Kuchler
- Medical University of Vienna, Christian Doppler Laboratory Infection Biology, Max F. Perutz Laboratories, A-1030 Vienna, Austria
| | - Lisa Rizzetto
- Department of Preclinical and Clinical Pharmacology, University of Florence, 50139 Firenze, Italy
| | - Duccio Cavalieri
- Department of Preclinical and Clinical Pharmacology, University of Florence, 50139 Firenze, Italy
- Research and Innovation Centre, Edmund Mach Foundation, San Michele all’Adige, 38010, Trento, Italy
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49
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Saccharomyces boulardii reduces infection intensity of mice with toxocariasis. Vet Parasitol 2012; 187:337-40. [DOI: 10.1016/j.vetpar.2012.01.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Revised: 12/17/2011] [Accepted: 01/02/2012] [Indexed: 11/17/2022]
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50
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Blanquet-Diot S, Denis S, Chalancon S, Chaira F, Cardot JM, Alric M. Use of artificial digestive systems to investigate the biopharmaceutical factors influencing the survival of probiotic yeast during gastrointestinal transit in humans. Pharm Res 2011; 29:1444-53. [PMID: 22068280 DOI: 10.1007/s11095-011-0620-5] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2011] [Accepted: 10/26/2011] [Indexed: 12/18/2022]
Abstract
PURPOSE To evaluate the influence of the main biopharmaceutical factors on the viability of a new probiotic yeast strain, using dynamic in vitro systems simulating human gastric/small intestinal (TIM) and large intestinal (ARCOL) environments. METHODS The viability of Saccharomyces cerevisiae CNCM I-3856 throughout the artificial digestive tract was determined by microbial counting. We investigated the effects of galenic formulation, food intake, dose, mode and frequency of administration on yeast survival rate. RESULTS In both fasted and fed states, yeast viability in the upper digestive tract was significantly higher when the probiotic was administered in hydroxypropylmethylcellulose (HPMC) capsules compared to tablets. Food intake led to a delay in yeast release and a two-fold increase in strain survival. Whatever the dose, yeasts were particularly sensitive to the large intestinal environment. High concentrations of probiotic could only be maintained in the colon when it was inoculated twice a day over a 5-h-period. CONCLUSIONS TIM and ARCOL are complementary in vitro tools relevant for screening purposes, supplying valuable information on the effects of galenic form, food intake and dose regimen on the viability of probiotics throughout the human digestive tract.
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Affiliation(s)
- Stéphanie Blanquet-Diot
- Centre de Recherche en Nutrition Humaine Auvergne, ERT 18 Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont Université, Université d'Auvergne, BP 10448, 63000, Clermont-Ferrand, France.
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