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Gad M, Elbahnasawy AS, Ramadan AA, Yamamah GAN, Hussein L. Dietary intervention with edible film-coated multistrain probiotic Lacticaseibacilli in nondairy food matrices significantly increased the recovery of fecal viable Lacticaseibacilli and improved the performance of several colonic biomarkers among slightly malnourished preschool children. Food Funct 2024; 15:977-991. [PMID: 38179614 DOI: 10.1039/d3fo02829a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
Probiotic enriched dairy products are widely consumed in Western countries for their beneficial effects on the gastrointestinal tract and overall health. The present study aims to investigate the beneficial effects of probiotic Lacticaseibacilli (LAB) strains in non-dairy food matrices. A blend of edible film-coated probiotic LAB, L. plantarum, L. paracasei, and L. rhamnosus, were incorporated into plain biscuits and dry dates. Design of the randomized controlled study: Children of both sexes (mean age 55.7 ± 14.5 months) attending kindergarten in Tersa, a poor urban Giza district, were recruited and randomized into 5 groups of equal numbers. Treatment groups: (1) placebo biscuits, (2) functional probiotic biscuits (0.18 billion colony forming units (cfu) of LAB) (3) functional probiotic + inulin biscuits (0.2 billion cfu of LAB + 2 g of chicory inulin); (4) placebo dates and (5) functional probiotic dates (0.3 billion cfu of viable multistrain LAB). The supplements were served 5 days a week and each child had to consume 21 servings of the supplement. The primary outcome was an increase in the fecal recovery of viable LAB after the intake of 21 servings (T1) compared to the respective baseline counts (T0). The secondary outcomes include the determination of fecal short-chain fatty acids (SCFA) and secretory immunoglobulin A (s-Ig A) using ELISA and fecal ammonia excretion. Results: Statistically significant % increases in the recoveries of fecal viable LAB were found among the children consuming 21 servings of supplements 2, 3, and 5 compared to the respective count at T0. Similar significant increases were found in the fecal concentrations of SCFA and s-Ig A among the children consuming 21 servings of supplements 2, 3 and 5 compared to the respective counts at T0. On the other hand, the concentration of toxic ammonia excretion decreased significantly in the feces of all children consuming probiotic-containing supplements (groups 2, 3, and 5) at T1 compared to the respective concentrations obtained at T0. Conclusion: Multistrain microencapsulated probiotic Lacticaseibacilli in functional biscuits and dry dates successfully tolerated the acidic gastric transit and exerted their bioactive action on the colonic microbiome. The synbiotic supplement exhibited a higher production rate of colonic SCFA. Probiotic-enriched products that confer definitive health benefits are convenient and do not need to be kept under refrigeration. Manipulating the composition and function of the microbiome in childhood through probiotic/+ prebiotic interventions is cost-effective with long-term beneficial health outcomes. This study was approved by the Medical Research Ethics Committee, National Research Center and registered as Clinical Trial 16/422. Written informed consent was obtained from the mothers of all participating children.
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Affiliation(s)
- Mosab Gad
- Nutrition and Food Science Department, National Research Centre, Dokki, Cairo 12662, Egypt.
| | - Amr S Elbahnasawy
- Nutrition and Food Science Department, National Research Centre, Dokki, Cairo 12662, Egypt.
| | - Asmaa A Ramadan
- Nutrition and Food Science Department, National Research Centre, Dokki, Cairo 12662, Egypt.
| | | | - Laila Hussein
- Nutrition and Food Science Department, National Research Centre, Dokki, Cairo 12662, Egypt.
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Staniszewski A, Kordowska-Wiater M. Probiotic Yeasts and How to Find Them-Polish Wines of Spontaneous Fermentation as Source for Potentially Probiotic Yeasts. Foods 2023; 12:3392. [PMID: 37761101 PMCID: PMC10529123 DOI: 10.3390/foods12183392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/28/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
One approach towards maintaining healthy microbiota in the human gastrointestinal tract is through the consumption of probiotics. Until now, the majority of probiotic research has focused on probiotic bacteria, but over the last few years more and more studies have demonstrated the probiotic properties of yeast, and also of species besides the well-studied Saccharomyces cerevisiae var. boulardii. Probiotic strains have to present the ability to survive in harsh conditions of the host body, like the digestive tract. Must fermentation might be an example of a similar harsh environment. In the presented study, we examined the probiotic potential of 44 yeast strains isolated from Polish wines. The tested isolates belonged to six species: Hanseniaspora uvarum, Pichia kluyveri, Metschnikowia pulcherrima, Metschnikowia ziziphicola, Saccharomyces cerevisiae and Starmerella bacillaris. The tested strains were subjected to an assessment of probiotic properties, their safety and their other properties, such as enzymatic activity or antioxidant properties, in order to assess their potential usefulness as probiotic yeast candidates. Within the most promising strains were representatives of three species: H. uvarum, M. pulcherrima and S. cerevisiae. H. uvarum strains 15 and 16, as well as S. cerevisiae strain 37, showed, among other features, survivability in gastrointestinal tract conditions exceeding 100%, high hydrophobicity and autoaggregation, had no hemolytic activity and did not produce biogenic amines. The obtained results show that Polish wines might be a source of potential probiotic yeast candidates with perspectives for further research.
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Affiliation(s)
| | - Monika Kordowska-Wiater
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, Skromna 8, 20-704 Lublin, Poland;
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Kwoji ID, Aiyegoro OA, Okpeku M, Adeleke MA. 'Multi-omics' data integration: applications in probiotics studies. NPJ Sci Food 2023; 7:25. [PMID: 37277356 DOI: 10.1038/s41538-023-00199-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 05/22/2023] [Indexed: 06/07/2023] Open
Abstract
The concept of probiotics is witnessing increasing attention due to its benefits in influencing the host microbiome and the modulation of host immunity through the strengthening of the gut barrier and stimulation of antibodies. These benefits, combined with the need for improved nutraceuticals, have resulted in the extensive characterization of probiotics leading to an outburst of data generated using several 'omics' technologies. The recent development in system biology approaches to microbial science is paving the way for integrating data generated from different omics techniques for understanding the flow of molecular information from one 'omics' level to the other with clear information on regulatory features and phenotypes. The limitations and tendencies of a 'single omics' application to ignore the influence of other molecular processes justify the need for 'multi-omics' application in probiotics selections and understanding its action on the host. Different omics techniques, including genomics, transcriptomics, proteomics, metabolomics and lipidomics, used for studying probiotics and their influence on the host and the microbiome are discussed in this review. Furthermore, the rationale for 'multi-omics' and multi-omics data integration platforms supporting probiotics and microbiome analyses was also elucidated. This review showed that multi-omics application is useful in selecting probiotics and understanding their functions on the host microbiome. Hence, recommend a multi-omics approach for holistically understanding probiotics and the microbiome.
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Affiliation(s)
- Iliya Dauda Kwoji
- Discipline of Genetics, School of Life Sciences, College of Agriculture, Engineering and Sciences, University of KwaZulu-Natal, 4090, Durban, South Africa
| | - Olayinka Ayobami Aiyegoro
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, Northwest, South Africa
| | - Moses Okpeku
- Discipline of Genetics, School of Life Sciences, College of Agriculture, Engineering and Sciences, University of KwaZulu-Natal, 4090, Durban, South Africa
| | - Matthew Adekunle Adeleke
- Discipline of Genetics, School of Life Sciences, College of Agriculture, Engineering and Sciences, University of KwaZulu-Natal, 4090, Durban, South Africa.
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MohanaSundaram A, Sathanantham ST, Sah R, Apostolopoulos V. Developing bespoke antimicrobials to combat antimicrobial resistance in low- and middle-income countries: A critical appraisal of clinical utility in the elderly. Maturitas 2023; 170:74-75. [PMID: 36494242 DOI: 10.1016/j.maturitas.2022.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 11/20/2022] [Indexed: 12/03/2022]
Affiliation(s)
| | | | - Ranjit Sah
- Tribhuvan University Teaching Hospital, Institute of Medicine, Kathmandu, Nepal; Dr. D.Y Patil Medical College, Hospital and Research Center, Dr. D.Y. Patil Vidyapeeth, Pune, Maharashtra, India.
| | - Vasso Apostolopoulos
- Institute for Health and Sport, Victoria University, Melbourne, Australia; The Australian Institute for Musculoskeletal Science (AIMSS), Melbourne, Australia.
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Storani A, Guerrero SA, Iglesias AA. Insights to improve the activity of glycosyl phosphorylases from Ruminococcus albus 8 with cello-oligosaccharides. Front Chem 2023; 11:1176537. [PMID: 37090251 PMCID: PMC10119399 DOI: 10.3389/fchem.2023.1176537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 03/30/2023] [Indexed: 04/25/2023] Open
Abstract
The phosphorolysis of cello-oligosaccharides is a critical process played in the rumen by Ruminococcus albus to degrade cellulose. Cellodextrins, made up of a few glucosyl units, have gained lots of interest by their potential applications. Here, we characterized a cellobiose phosphorylase (RalCBP) and a cellodextrin phosphorylase (RalCDP) from R. albus 8. This latter was further analyzed in detail by constructing a truncated mutant (Ral∆N63CDP) lacking the N-terminal domain and a chimeric protein by fusing a CBM (RalCDP-CBM37). RalCBP showed a typical behavior with high activity on cellobiose. Instead, RalCDP extended its activity to longer soluble or insoluble cello-oligosaccharides. The catalytic efficiency of RalCDP was higher with cellotetraose and cellopentaose as substrates for both reaction directions. Concerning properties of Ral∆N63CDP, results support roles for the N-terminal domain in the conformation of the homo-dimer and conferring the enzyme the capacity to catalyze the phosphorolytic reaction. This mutant exhibited reduced affinity toward phosphate and increased to glucose-1-phosphate. Further, the CBM37 module showed functionality when fused to RalCDP, as RalCDP-CBM37 exhibited an enhanced ability to use insoluble cellulosic substrates. Data obtained from this enzyme's binding parameters to cellulosic polysaccharides agree with the kinetic results. Besides, studies of synthesis and phosphorolysis of cello-saccharides at long-time reactions served to identify the utility of these enzymes. While RalCDP produces a mixture of cello-oligosaccharides (from cellotriose to longer oligosaccharides), the impaired phosphorolytic activity makes Ral∆N63CDP lead mainly toward the synthesis of cellotetraose. On the other hand, RalCDP-CBM37 remarks on the utility of obtaining glucose-1-phosphate from cellulosic compounds.
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Chung The H, Nguyen Ngoc Minh C, Tran Thi Hong C, Nguyen Thi Nguyen T, Pike LJ, Zellmer C, Pham Duc T, Tran TA, Ha Thanh T, Van MP, Thwaites GE, Rabaa MA, Hall LJ, Baker S. Exploring the Genomic Diversity and Antimicrobial Susceptibility of Bifidobacterium pseudocatenulatum in a Vietnamese Population. Microbiol Spectr 2021; 9:e0052621. [PMID: 34523984 PMCID: PMC8557894 DOI: 10.1128/spectrum.00526-21] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 08/13/2021] [Indexed: 01/29/2023] Open
Abstract
Bifidobacterium pseudocatenulatum is a member of the human gut microbiota, and specific variants of B. pseudocatenulatum have been associated with health benefits such as improving gut integrity and reducing inflammatory responses. Here, we aimed to assess the genomic diversity and predicted metabolic profiles of B. pseudocatenulatum cells found colonizing the gut of healthy Vietnamese adults and children. We found that the population of B. pseudocatenulatum from each individual was distinct and highly diverse, with intraclonal variation attributed largely to a gain or loss of carbohydrate-utilizing enzymes. The B. pseudocatenulatum genomes were enriched with glycosyl hydrolases predicted to target plant-based nondigestible carbohydrates (GH13, GH43) but not host-derived glycans. Notably, the exopolysaccharide biosynthesis region from organisms isolated from healthy children showed extensive genetic diversity and was subject to a high degree of genetic modification. Antimicrobial susceptibility profiling revealed that the Vietnamese B. pseudocatenulatum cells were uniformly susceptible to beta-lactams but exhibited variable resistance to azithromycin, tetracycline, ciprofloxacin, and metronidazole. The genomic presence of ermX and tet variants conferred resistance against azithromycin and tetracycline, respectively; ciprofloxacin resistance was associated with a mutation(s) in the quinolone resistance-determining region (GyrA, S115, and/or D119). Our work provides the first detailed genomic and antimicrobial resistance characterization of B. pseudocatenulatum found in the Vietnamese population, which can be exploited for the rational design of probiotics. IMPORTANCE Bifidobacterium pseudocatenulatum is a beneficial member of the human gut microbiota. The organism can modulate inflammation and has probiotic potential, but its characteristics are largely strain dependent and associated with distinct genomic and biochemical features. Population-specific beneficial microbes represent a promising avenue for the development of potential probiotics, as they may exhibit a more suitable profile in the target population. This study investigates the underexplored diversity of B. pseudocatenulatum in Vietnam and provides more understanding of its genomic diversity, metabolic potential, and antimicrobial susceptibility. Such data from indigenous populations are essential for selecting probiotic candidates that can be accelerated into further preclinical and clinical investigations.
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Affiliation(s)
- Hao Chung The
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | | | | | | | - Lindsay J. Pike
- The Wellcome Sanger Institute, Hinxton, Cambridge, United Kingdom
| | - Caroline Zellmer
- University of Cambridge School of Clinical Medicine, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Medicine, University of Cambridge School of Clinical Medicine, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - Trung Pham Duc
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | - Tuan-Anh Tran
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | - Tuyen Ha Thanh
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | - Minh Pham Van
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | - Guy E. Thwaites
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, Oxford University, Oxford, United Kingdom
| | - Maia A. Rabaa
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, Oxford University, Oxford, United Kingdom
| | - Lindsay J. Hall
- Quadram Institute Biosciences, Norwich, United Kingdom
- Norwich Medical School, University of East Anglia, Norwich, United Kingdom
- Intestinal Microbiome, School of Life Sciences, ZIEL - Institute for Food & Health, Technical University of Munich, Freising, Germany
| | - Stephen Baker
- The Wellcome Sanger Institute, Hinxton, Cambridge, United Kingdom
- University of Cambridge School of Clinical Medicine, Cambridge Biomedical Campus, Cambridge, United Kingdom
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Puntillo M, Spotti J, Salminen S, Vinderola G. Narrowing down the number of potential plant-based probiotic candidates by successive in vitro, technological and in vivo assays. Benef Microbes 2021; 12:45-58. [PMID: 34259617 DOI: 10.3920/bm2020.0228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The interest on plant-based fermented food is in raise in Western countries. The aim of this study was to select interleukin (IL)-10 inducing strains for the development of potential probiotic plant-based fermented foods. Departing from a collection of 52 lactic acid bacteria (LAB) strains derived from plant material, in vitro co-culture with murine macrophages allowed us to narrow down the number of candidates to 21 strains able to induce IL-10 secretion. 14 of these strains were able to promote the production of tumour necrosis factor-α too. The capacity to induce IL-6 was used to further reduce the number of strains to 4, from which Lactiplantibacillus plantarum subsp. plantarum LpAv was selected to ferment oat and carrots. L. plantarum LpAv was able to ferment oat and carrots until reaching counts of ca. 108 and 109 cfu/ml. Fermented oat and carrots were orally administered to mice for 10 consecutive days and challenged with a single infective dose of Salmonella enterica serovar. Typhimurium. Counts of L. plantarum LpAv in fermented carrots were 9.23±0.05 cfu/ml and 9.27±0.01 cfu/ml, at day 1 and 10 of the feeding period. Fermented carrots were able to confer enhanced protection (80% of survival) against infection, when compared to control mice (less than 25% of survival). However, L. plantarum LpAv administered as pure culture was not able to confer protection against Salmonella infection. L. plantarum LpAv was selected among 52 plant-derived LAB and it was able to ferment oat and carrots, being only fermented carrots able to confer enhanced protection against Salmonella infection. A succession of in vitro to in vivo tests is proposed as a tool to narrow down the number of candidates when searching for potential novel probiotics from a collection of autochthonous strains.
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Affiliation(s)
- M Puntillo
- Instituto de Lactología Industrial (CONICET-UNL), Facultad de Ingeniería Química, Universidad Nacional del Litoral, Santiago del Estero 2829, Santa Fe, 3000, Argentina
| | - J Spotti
- Instituto de Tecnología de Alimentos, Facultad de Ingeniería Química, Universidad Nacional del Litoral, 1 de Mayo 3250, Santa Fe, 3000, Argentina
| | - S Salminen
- Functional Foods Forum, Faculty of Medicine, University of Turku, Itäinenpitkäkatu 4 A, Turku, 20014, Finland
| | - G Vinderola
- Instituto de Lactología Industrial (CONICET-UNL), Facultad de Ingeniería Química, Universidad Nacional del Litoral, Santiago del Estero 2829, Santa Fe, 3000, Argentina
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Jin Y, Luo B, Cai J, Yang B, Zhang Y, Tian F, Ni Y. Evaluation of indigenous lactic acid bacteria of raw mare milk from pastoral areas in Xinjiang, China, for potential use in probiotic fermented dairy products. J Dairy Sci 2021; 104:5166-5184. [PMID: 33714582 DOI: 10.3168/jds.2020-19398] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 01/04/2021] [Indexed: 01/27/2023]
Abstract
In the present study 114 lactic acid bacteria strains, isolated from raw mare milks from pastoral areas for ethnic minorities in northwest China, were screened for probiotic traits, and their characteristics were compared with those of Lactobacillus rhamnosus GG, a commercial strain. Among the 114 strains identified, the most common species was Pediococcus pentosaceus (n = 52), followed by Leuconostoc lactis (n = 35), Lactobacillus helveticus (n = 7), Lactobacillus plantarum (n = 6), Lactobacillus kefiri (n = 5), Lactobacillus curvatus (n = 4), Lactobacillus paracasei (n = 3), and Lactococcus garvieae (n = 3). Based on acid and bile salt tolerance, 15 strains were further selected. All selected strains were subjected to a series of in vitro tests to assess their technological properties, including cell surface hydrophobicity (13.6-56.2%), autoaggregation ability (9.26-38.30%), coaggregation ability, and heat and lysozyme survival rates (84.74-94.01% and 80.52-99.37%, respectively). In vitro antagonism showed that Lb. plantarum (M5-19, M8-60, M8-59) exhibited the most strong inhibitory activity against 7 tested pathogens. Moreover, antibiotic resistance and hemolytic activity were investigated for safety assessment. No strain exhibited hemolytic activity, and most of the strains were sensitive to a series of 14 antibiotics of clinical importance. Ultimately, the principal component analysis of all data obtained above showed that 2 Lb. plantarum strains (M8-59, M8-60) and Lb. paracasei M1-36 exhibited the best potential for their inclusion as adjunct functional cultures in local fermented dairy products.
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Affiliation(s)
- Yamei Jin
- School of Food Sciences and Technology, Shihezi University, Shihezi 832000, Xinjiang, People's Republic of China
| | - Baolong Luo
- School of Food Sciences and Technology, Shihezi University, Shihezi 832000, Xinjiang, People's Republic of China
| | - Jingjing Cai
- School of Food Sciences and Technology, Shihezi University, Shihezi 832000, Xinjiang, People's Republic of China
| | - Bo Yang
- School of Food Sciences and Technology, Shihezi University, Shihezi 832000, Xinjiang, People's Republic of China
| | - Yan Zhang
- School of Food Sciences and Technology, Shihezi University, Shihezi 832000, Xinjiang, People's Republic of China
| | - Fengwei Tian
- School of Food Sciences and Technology, Shihezi University, Shihezi 832000, Xinjiang, People's Republic of China
| | - Yongqing Ni
- School of Food Sciences and Technology, Shihezi University, Shihezi 832000, Xinjiang, People's Republic of China.
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Aziz G, Tariq M, Zaidi AH. Mining indigenous honeybee gut microbiota for Lactobacillus with probiotic potential. MICROBIOLOGY-SGM 2021; 167. [PMID: 33587693 DOI: 10.1099/mic.0.001032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The present study was done to explore the diversity of lactic acid bacteria (LAB) associated with the gastrointestinal tract (GIT) of honeybee species endemic to northeastern Pakistan. Healthy worker bees belonging to Apis mellifera, A. dorsata, A. cerana and A. florea were collected from hives and the surroundings of a major apiary in the region. The 16S rRNA amplicon sequencing revealed a microbial community in A. florea that was distinct from the others in having an abundance of Lactobacillus and Bifidobacteria. However, this was not reflected in the culturable bacteria obtained from these species. The isolates were characterized for safety parameters, and 20 LAB strains deemed safe were evaluated for resistance to human GIT stresses like acid and bile, adhesion and adhesiveness, and anti-pathogenicity. The five most robust strains, Enterococcus saigonensis NPL780a, Lactobacillus rapi NPL782a, Lactobacillus kunkeei NPL783a, and NPL784, and Lactobacillus paracasei NPL783b, were identified through normalized Pearson (n) principal components analysis (PCA). These strains were checked for inhibition of human pathogens, antibiotic resistance, osmotic tolerance, metabolic and enzymatic functions, and carbohydrate utilization, along with antioxidative and cholesterol-removing potential. The findings suggest at least three strains (NPL 783a, 784 and 782a) as candidates for further in vitro and in vivo investigations of their potential health benefits and application as novel probiotic adjuncts.
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Affiliation(s)
- Ghazal Aziz
- Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad 45650, Pakistan.,National Probiotic Lab-NIBGE, Jhang Road, Faisalabad 38000 (Punjab), Pakistan
| | - Muhammad Tariq
- Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad 45650, Pakistan.,National Probiotic Lab-NIBGE, Jhang Road, Faisalabad 38000 (Punjab), Pakistan
| | - Arsalan Haseeb Zaidi
- National Probiotic Lab-NIBGE, Jhang Road, Faisalabad 38000 (Punjab), Pakistan.,Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad 45650, Pakistan
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Metataxonomic analysis of microbiota from Pakistani dromedary camelids milk and characterization of a newly isolated Lactobacillus fermentum strain with probiotic and bio-yogurt starter traits. Folia Microbiol (Praha) 2021; 66:411-428. [PMID: 33566278 DOI: 10.1007/s12223-021-00855-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 01/20/2021] [Indexed: 10/22/2022]
Abstract
This study was undertaken to investigate the starter and probiotic potential of lactic acid bacteria isolated from dromedarian camel's milk using both culture-dependent and -independent approaches and metataxonomic analysis. Strains of lactic acid bacteria recovered were examined in vitro for tolerance to gastric acidity, bile, and lysozyme. Bile salt hydrolysis, serum cholesterol-lowering, oxalate degradation, proteolytic activity, exopolysaccharide production, and cell surface characteristics necessary for colonizing intestinal mucosa were also evaluated. A single strain of the species, Lactobacillus fermentum named NPL280, was selected through multivariate analysis as it harbored potential probiotic advantages and fulfilled safety criteria. The strain assimilated cholesterol, degraded oxalate, produced exopolysaccharides, and proved to be a proficient alternate yogurt starter with good viability in stored bio-yogurt. A sensorial analysis of the prepared bio-yogurt was also found to be exemplary. We conclude that the indigenous L. fermentum strain NPL280 has the desired traits of a starter and adjunct probiotic culture for dairy products.
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Abstract
Cascade reactions have been described as efficient and universal tools, and are of substantial interest in synthetic organic chemistry. This review article provides an overview of the novel and recent achievements in enzyme cascade processes catalyzed by multi-enzymatic or chemoenzymatic systems. The examples here selected collect the advances related to the application of the sequential use of enzymes in natural or genetically modified combination; second, the important combination of enzymes and metal complex systems, and finally we described the application of biocatalytic biohybrid systems on in situ catalytic solid-phase as a novel strategy. Examples of efficient and interesting enzymatic catalytic cascade processes in organic chemistry, in the production of important industrial products, such as the designing of novel biosensors or bio-chemocatalytic systems for medicinal chemistry application, are discussed
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Moonga HB, Schoustra SE, van den Heuvel J, Linnemann AR, Samad MS, Shindano J, Smid EJ. Composition and Diversity of Natural Bacterial Communities in Mabisi, a Traditionally Fermented Milk. Front Microbiol 2020; 11:1816. [PMID: 32849423 PMCID: PMC7406715 DOI: 10.3389/fmicb.2020.01816] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 07/10/2020] [Indexed: 02/06/2023] Open
Abstract
Many traditionally fermented milk products such as mabisi involve spontaneous fermentation, which can result in bacterial community composition variation due to selection pressure. The aim of this study was to determine the composition of bacterial communities in the different types of mabisi produced across Zambia and identify the factors that influence their composition. Samples of mabisi were collected across the country, and analyzed for pH and bacterial communities using 16S rRNA amplicon sequencing. We found that the bacterial community composition was dominated by members of two phyla, i.e., Firmicutes and Proteobacteria, from which the top 10 most abundant genera were Lactococcus, Lactobacillus, Streptococcus, Enterobacter, Citrobacter, Klebsiella, Kluyvera, Buttiauxella, Aeromonas, and Acinetobacter. The most dominant genus was Lactococcus, which was present in all types of mabisi produced from all regions. The mabisi products from traditional mabisi production regions (TMPRs) were dominated by lactic acid bacteria (LAB) whereas products from non-TMPRs were dominated by non-LAB species. Tonga mabisi, the most popular type of mabisi produced in non-TMPRs, had the most complex and diverse bacterial community composition compared to the other types, which included barotse, backslopping, creamy, and thick-tonga mabisi. Other factors that influenced bacterial community composition were geographical location, fermentation duration and pH while the type of fermentation container and producer did not. This study provides new insights that can be applied in starter culture development as well as microbial functionality studies.
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Affiliation(s)
- Himoonga Bernard Moonga
- Laboratory of Food Microbiology, Wageningen University and Research, Wageningen, Netherlands
- Food Quality and Design, Wageningen University and Research, Wageningen, Netherlands
- Laboratory of Genetics, Wageningen University and Research, Wageningen, Netherlands
- Department of Food Science and Nutrition, School of Agricultural Sciences, University of Zambia, Lusaka, Zambia
| | - Sijmen E. Schoustra
- Laboratory of Genetics, Wageningen University and Research, Wageningen, Netherlands
- Department of Food Science and Nutrition, School of Agricultural Sciences, University of Zambia, Lusaka, Zambia
| | - Joost van den Heuvel
- Laboratory of Genetics, Wageningen University and Research, Wageningen, Netherlands
| | - Anita R. Linnemann
- Food Quality and Design, Wageningen University and Research, Wageningen, Netherlands
| | - Md Sainur Samad
- Department of Microbial Ecology, Netherlands Institute of Ecology, Wageningen, Netherlands
| | - John Shindano
- Department of Food Science and Nutrition, School of Agricultural Sciences, University of Zambia, Lusaka, Zambia
| | - Eddy J. Smid
- Laboratory of Food Microbiology, Wageningen University and Research, Wageningen, Netherlands
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Marques AM, Sarandy MM, Novaes RD, Gonçalves RV, Freitas MB. Preclinical relevance of probiotics in type 2 diabetes: A systematic review. Int J Exp Pathol 2020; 101:68-79. [PMID: 32608551 DOI: 10.1111/iep.12359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 05/20/2020] [Accepted: 05/24/2020] [Indexed: 12/14/2022] Open
Abstract
Type 2 diabetes (T2DM) is among the most prevalent metabolic diseases in the world and may result in several long-term complications. The crosstalk between gut microbiota and host metabolism is closely related to T2DM. Currently, fragmented data hamper defining the relationship between probiotics and T2DM. This systematic review aimed at investigating the effects of probiotics on T2DM in animal models. We systematically reviewed preclinical evidences using PubMed/MEDLINE and Scopus databases, recovering 24 original articles published until September 27th, 2019. This systematic review was performed according to PRISMA guidelines. We included experimental studies with animal models reporting the effects of probiotics on T2DM. Studies were sorted by characteristics of publications, animal models, performed analyses, probiotic used and interventions. Bias analysis and methodological quality assessments were examined through the SYRCLE's Risk of Bias tool. Probiotics improved T2DM in 96% of the studies. Most studies (96%) used Lactobacillus strains, and all of them led to improved glycaemia. All studies used rodents as models, and male animals were preferred over females. Results suggest that probiotics have a beneficial effect in T2DM animals and could be used as a supporting alternative in the disease treatment. Considering a detailed evaluation of the reporting and methodological quality, the current preclinical evidence is at high risk of bias. We hope that our critical analysis will be useful in mitigating the sources of bias in further studies.
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Affiliation(s)
| | | | - Rômulo Dias Novaes
- Department of Structural Biology, Federal University of Alfenas, Alfenas, Brazil
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14
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In vitro Probiotic Potential and Safety Evaluation (Hemolytic, Cytotoxic Activity) of Bifidobacterium Strains Isolated from Raw Camel Milk. Microorganisms 2020; 8:microorganisms8030354. [PMID: 32131456 PMCID: PMC7143641 DOI: 10.3390/microorganisms8030354] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/15/2020] [Accepted: 02/16/2020] [Indexed: 01/04/2023] Open
Abstract
The present study was designed to isolate Bifidobacterium strains from raw camel milk and to investigate their probiotic characteristics. Among 35 isolates, 8 were identified as Gram-positive, catalase negative, non-spore forming, non-motile and V or Y shaped rods. B-2, B-5, B-11, B-19 and B-28 exhibited good survival at low pH and high bile salt concentration. Most of the isolates were resistant to nalidixic acid, fusidic acid, polymyxin B, neomycin, streptomycin, gentamicin, rifampicin and kanamycin. Furthermore, the production of exopolysaccharides (EPS), adhesion characteristics, antioxidant properties, antagonistic activities, nitrite reduction and cholesterol assimilation were also studied. Isolate B-11 was chosen because it exhibited most of the probiotic properties among all the tested isolates. It is identified as the member of Bifidobacterium longum group through 16S rRNA gene sequencing and named as B. longum B-11. B. longum B-11 was further selected for in vivo attachment to rat intestine and scanning electron micrographs revealed that attachment of a large number of rods shaped bacterial cell. Our findings suggest that B. longum B-11 processes excellent attributes to be used as potential probiotic in the development of functional probiotic food.
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15
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Wacoo AP, Atukunda P, Muhoozi G, Braster M, Wagner M, van den Broek TJ, Sybesma W, Westerberg AC, Iversen PO, Kort R. Aflatoxins: Occurrence, Exposure, and Binding to Lactobacillus Species from the Gut Microbiota of Rural Ugandan Children. Microorganisms 2020; 8:E347. [PMID: 32121365 PMCID: PMC7143030 DOI: 10.3390/microorganisms8030347] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 02/12/2020] [Accepted: 02/27/2020] [Indexed: 12/14/2022] Open
Abstract
Chronic exposure of children in sub-Saharan Africa to aflatoxins has been associated with low birth weight, stunted growth, immune suppression, and liver function damage. Lactobacillus species have been shown to reduce aflatoxin contamination during the process of food fermentation. Twenty-three Lactobacillus strains were isolated from fecal samples obtained from a cohort of rural Ugandan children at the age of 54 to 60 months, typed by 16S rRNA gene sequencing, and characterized in terms of their ability to bind aflatoxin B1 in vitro. Evidence for chronic exposure of these children to aflatoxin B1 in the study area was obtained by analysis of local foods (maize flour and peanuts), followed by the identification of the breakdown product aflatoxin M1 in their urine samples. Surprisingly, Lactobacillus in the gut microbiota of 140 children from the same cohort at 24 and 36 months showed the highest positive correlation coefficient with stunting among all bacterial genera identified in the stool samples. This correlation was interpreted to be associated with dietary changes from breastfeeding to plant-based solid foods that pose an additional risk for aflatoxin contamination, on one hand, and lead to increased intake of Lactobacillus species on the other.
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Affiliation(s)
- Alex Paul Wacoo
- Department of Molecular Cell Biology, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands; (A.P.W.); (M.B.); (M.W.)
- Yoba for Life foundation, 1079 WB Amsterdam, The Netherlands;
- Department of Medical Biochemistry, School of Biomedical Sciences, College of Health Sciences, Makerere University, P.O. Box 7062 Kampala, Uganda
| | - Prudence Atukunda
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, 0317 Oslo, Norway; (P.A.); (P.O.I.)
| | - Grace Muhoozi
- Department of Human Nutrition and Home Economics, Kyambogo University, P.O. Box 1 Kampala, Uganda;
| | - Martin Braster
- Department of Molecular Cell Biology, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands; (A.P.W.); (M.B.); (M.W.)
| | - Marijke Wagner
- Department of Molecular Cell Biology, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands; (A.P.W.); (M.B.); (M.W.)
| | - Tim J van den Broek
- Department of Microbiology and Systems Biology, TNO, 3704 HE Zeist, The Netherlands;
| | - Wilbert Sybesma
- Yoba for Life foundation, 1079 WB Amsterdam, The Netherlands;
| | - Ane C. Westerberg
- Institute of Health Sciences, Kristiania University College, 0107 Oslo, Norway;
| | - Per Ole Iversen
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, 0317 Oslo, Norway; (P.A.); (P.O.I.)
- Division of Human Nutrition, Stellenbosch University, Tygerberg, 7505 Cape Town, South Africa
- Department of Hematology, Oslo University Hospital, 0318 Oslo, Norway
| | - Remco Kort
- Department of Molecular Cell Biology, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands; (A.P.W.); (M.B.); (M.W.)
- Yoba for Life foundation, 1079 WB Amsterdam, The Netherlands;
- ARTIS-Micropia, 1018 CZ Amsterdam, The Netherlands
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16
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Sireswar S, Biswas S, Dey G. Adhesion and anti-inflammatory potential of Lactobacillus rhamnosus GG in a sea buckthorn based beverage matrix. Food Funct 2020; 11:2555-2572. [DOI: 10.1039/c9fo02249j] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A seabuckthorn based beverage matrix retains the functionality of L. rhamnosus GG and exhibits enhanced anti-inflammatory effects against LPS-induced inflammation in zebrafish.
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Affiliation(s)
- Srijita Sireswar
- School of Biotechnology
- Kalinga Institute of Industrial Technology
- Deemed to be University
- Bhubaneswar
- India
| | | | - Gargi Dey
- School of Biotechnology
- Kalinga Institute of Industrial Technology
- Deemed to be University
- Bhubaneswar
- India
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17
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Zhong C, Luley‐Goedl C, Nidetzky B. Product solubility control in cellooligosaccharide production by coupled cellobiose and cellodextrin phosphorylase. Biotechnol Bioeng 2019; 116:2146-2155. [PMID: 31062868 PMCID: PMC6767486 DOI: 10.1002/bit.27008] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 04/18/2019] [Accepted: 05/02/2019] [Indexed: 12/30/2022]
Abstract
Soluble cellodextrins (linear β-1,4-d-gluco-oligosaccharides) have interesting applications as ingredients for human and animal nutrition. Their bottom-up synthesis from glucose is promising for bulk production, but to ensure a completely water-soluble product via degree of polymerization (DP) control (DP ≤ 6) is challenging. Here, we show biocatalytic production of cellodextrins with DP centered at 3 to 6 (~96 wt.% of total product) using coupled cellobiose and cellodextrin phosphorylase. The cascade reaction, wherein glucose was elongated sequentially from α-d-glucose 1-phosphate (αGlc1-P), required optimization and control at two main points. First, kinetic and thermodynamic restrictions upon αGlc1-P utilization (200 mM; 45°C, pH 7.0) were effectively overcome (53% → ≥90% conversion after 10 hrs of reaction) by in situ removal of the phosphate released via precipitation with Mg2+ . Second, the product DP was controlled by the molar ratio of glucose/αGlc1-P (∼0.25; 50 mM glucose) used in the reaction. In optimized conversion, soluble cellodextrins in a total product concentration of 36 g/L were obtained through efficient utilization of the substrates used (glucose: 98%; αGlc1-P: ∼80%) after 1 hr of reaction. We also showed that, by keeping the glucose concentration low (i.e., 1-10 mM; 200 mM αGlc1-P), the reaction was shifted completely towards insoluble product formation (DP ∼9-10). In summary, this study provides the basis for an efficient and product DP-controlled biocatalytic synthesis of cellodextrins from expedient substrates.
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Affiliation(s)
- Chao Zhong
- Institute of Biotechnology and Biochemical EngineeringGraz University of Technology, NAWI GrazGrazAustria
| | | | - Bernd Nidetzky
- Institute of Biotechnology and Biochemical EngineeringGraz University of Technology, NAWI GrazGrazAustria
- Austrian Centre of Industrial Biotechnology (ACIB)GrazAustria
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18
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Achi SC, Halami PM. In Vitro Comparative Analysis of Probiotic and Functional Attributes of Indigenous Isolates of Bifidobacteria. Curr Microbiol 2019; 76:304-311. [PMID: 30600360 DOI: 10.1007/s00284-018-1615-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 12/14/2018] [Indexed: 12/20/2022]
Abstract
In the present study, probiotic, safety and functional characteristics of eight indigenous bifidobacterial isolates were compared to identify suitable strains for functional food application. Among the isolates, six strains of Bifidobacterium longum and one each of Bifidobacterium breve and Bifidobacterium bifidum were identified by 16S rRNA, xfp and hsp60 gene sequencing. Diversity among these strains was established by RAPD and Rep-PCR. Genes associated with sortase-dependent pili (SDP) (credited for role in adhesion) and serpin (immunomodulation) which can serve as potential marker genes for rapid identification of probiotic Bifidobacterium, was also evaluated. All the isolates exhibited potential probiotic, functional (antimicrobial activity, antioxidant activity, phytase activity, milk fermentation ability) and safety attributes. However, among them, B. breve NCIM5671 exhibited, better tolerance to low pH, amylase activity and exopolysaccharide producing ability. B. bifidum NCIM5697 and B. longum NCIM5672 demonstrated higher adherence ability to Caco-2 cells. NCIM5697 also displayed exopolysaccharide producing ability while NCIM5672 showed strong antibacterial activity against pathogens tested. Further, with respect to presence of adhesion marker genes, disparity was observed among B. longum strains. B. longum NCIM5684 and B. longum NCIM5686 displayed presence of subunits of SDP reported to be present in B. breve. In addition, B. longum NCIM5686 also lacked SDP present in all other B. longum isolates. B. breve NCIM5671, B. longum NCIM5672 and B. bifidum NCIM5697 with appreciable traits qualifies as potential probiotic cultures. Further, the variations observed in molecular and functional characteristics of isolates signify genetic diversity among the cultures.
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Affiliation(s)
- Sajan C Achi
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Central Food Technological Research Institute campus, Mysuru, India.,Microbiology and Fermentation Technology Department, CSIR-Central Food Technological Research Institute, 570020, Mysuru, India
| | - Prakash M Halami
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Central Food Technological Research Institute campus, Mysuru, India. .,Microbiology and Fermentation Technology Department, CSIR-Central Food Technological Research Institute, 570020, Mysuru, India.
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19
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Reid G, Kort R, Alvarez S, Bourdet-Sicard R, Benoit V, Cunningham M, Saulnier D, van Hylckama Vlieg J, Verstraelen H, Sybesma W. Expanding the reach of probiotics through social enterprises. Benef Microbes 2018; 9:707-715. [DOI: 10.3920/bm2018.0015] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The rapid rise in microbiome and probiotic science has led to estimates of product creation and sales exceeding $50 billion within five years. However, many people do not have access to affordable products, and regulatory agencies have stifled progress. The objective of a discussion group at the 2017 meeting of the International Scientific Association for Probiotics and Prebiotics was to identify mechanisms to confer the benefits of probiotics to a larger portion of the world’s population. Three initiatives, built around fermented food, were discussed with different methods of targeting populations that face enormous challenges of malnutrition, infectious disease, poverty and violent conflict. As new candidate probiotic strains emerge, and the market diversifies towards more personalised interventions, manufacturing processes will need to evolve. Information dissemination through scientific channels and social media is projected to provide consumers and healthcare providers with rapid access to clinical results, and to identify the nearest location of sites making new and affordable probiotic food and supplements. This rapid translation of science to individual well-being will not only expand the beneficiaries of probiotics, but also fuel new social enterprises and economic business models.
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Affiliation(s)
- G. Reid
- Canadian Research and Development Centre for Probiotics, Microbiology & Immunology, and Surgery, University of Western Ontario, Room F3-106, P.O. Box 5777, STN B, London, N6A 4V2 Ontario, Canada
| | - R. Kort
- Yoba for Life foundation, Hunzestraat 133-A, 1079 WB Amsterdam, the Netherlands
- TNO Microbiology and Systems Biology, P.O. Box 360, 3700 AJ Zeist, the Netherlands
- VU University Amsterdam; Micropia, Natura Artis Magistra, Plantage Kerklaan 38-40, 1018 CZ Amsterdam, the Netherlands
| | - S. Alvarez
- Reference Centre for Lactobacilli (CERELA-CONICET), Chacabuco 145, Tucuman 4000, Argentina
| | - R. Bourdet-Sicard
- Danone Access, Africa & India, Danone Nutricia Research, Avenue de la Vauve, 91767 Palaiseau, France
| | - V. Benoit
- General Mills, Nutrition and Technology Solutions, 9000 Plymouth Avenue N, Minneapolis, MN 55427, USA
| | - M. Cunningham
- Research and Development, Metagenics (Aust) Pty Ltd., P.O. Box 675, Virginia BC, Queensland 4014, Australia
| | - D.M. Saulnier
- Novozymes A/S, Hillerødgade 42, 2200 Frederiksberg, Denmark
| | | | - H. Verstraelen
- Vulvovaginal Disease Clinic, Dept. of Obstetrics & Gynaecology, Ghent University Hospital 0P4, Corneel Heymanslaan 10, 9000 Gent, Belgium
| | - W. Sybesma
- Yoba for Life foundation, Hunzestraat 133-A, 1079 WB Amsterdam, the Netherlands
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20
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Arslan-Tontul S, Erbas M, Gorgulu A. The Use of Probiotic-Loaded Single- and Double-Layered Microcapsules in Cake Production. Probiotics Antimicrob Proteins 2018; 11:840-849. [DOI: 10.1007/s12602-018-9467-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Westerik N, Reid G, Sybesma W, Kort R. The Probiotic Lactobacillus rhamnosus for Alleviation of Helicobacter pylori-Associated Gastric Pathology in East Africa. Front Microbiol 2018; 9:1873. [PMID: 30154777 PMCID: PMC6102400 DOI: 10.3389/fmicb.2018.01873] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 07/25/2018] [Indexed: 12/16/2022] Open
Abstract
The probiotic Lactobacillus rhamnosus GG (LGG) can play a role in establishing a harmless relationship with Helicobacter pylori and reduce gastric pathology in East African populations. H. pylori has the ability to inhabit the surface of the mucous layer of the human stomach and duodenum. In the developing world, an estimated 51% of the population is carrier of H. pylori, while in some Western countries these numbers dropped below 20%, which is probably associated with improved sanitation and smaller family sizes. Colonization by H. pylori can be followed by inflammation of the gastric mucus layer, and is a risk factor in the development of atrophic gastritis, peptic ulcers and gastric cancer. Notwithstanding the higher prevalence of H. pylori carriers in developing countries, no equal overall increase in gastric pathology is found. This has been attributed to a less pro-inflammatory immune response to H. pylori in African compared to Caucasian populations. In addition, a relatively low exposure to other risk factors in certain African populations may play a role, including the use of non-steroidal anti-inflammatory drugs, smoking, and diets without certain protective factors. A novel approach to the reduction of H. pylori associated gastric pathology is found in the administration of the probiotic bacterium Lactobacillus rhamnosus yoba 2012 (LRY), the generic variant of LGG. This gastro-intestinal isolate inhibits H. pylori by competition for substrate and binding sites as well as production of antimicrobial compounds such as lactic acid. In addition, it attenuates the host's H. pylori-induced apoptosis and inflammation responses and stimulates angiogenesis in the gastric and duodenal epithelium. The probiotic LRY is not able to eradicate H. pylori completely, but its co-supplementation in antibiotic eradication therapy has been shown to relieve side effects of this therapy. In Uganda, unlike other African countries, gastric pathology is relatively common, presumably resulting from the lack of dietary protective factors in the traditional diet. Supplementation with LRY through local production of probiotic yogurt, could be a solution to establish a harmless relationship with H. pylori and reduce gastric pathology and subsequent eradication therapy treatment.
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Affiliation(s)
- Nieke Westerik
- Department of Molecular Cell Biology, VU University Amsterdam, Amsterdam, Netherlands
- Yoba for Life Foundation, Amsterdam, Netherlands
| | - Gregor Reid
- Canadian R&D Centre for Human Microbiome and Probiotics, Lawson Health Research Institute, London, ON, Canada
- Department of Microbiology and Immunology, and Surgery, Western University, London, ON, Canada
| | | | - Remco Kort
- Department of Molecular Cell Biology, VU University Amsterdam, Amsterdam, Netherlands
- Yoba for Life Foundation, Amsterdam, Netherlands
- Department of Microbiology and Systems Biology, Netherlands Organization for Applied Scientific Research, Zeist, Netherlands
- ARTIS-Micropia, Amsterdam, Netherlands
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22
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Westerik N, Kort R, Sybesma W, Reid G. Lactobacillus rhamnosus Probiotic Food as a Tool for Empowerment Across the Value Chain in Africa. Front Microbiol 2018; 9:1501. [PMID: 30042747 PMCID: PMC6048217 DOI: 10.3389/fmicb.2018.01501] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 06/18/2018] [Indexed: 11/13/2022] Open
Abstract
Perhaps by serendipity, but Lactobacillus rhamnosus has emerged from the 1980s as the most researched probiotic species. The many attributes of the two main probiotic strains of the species, L. rhamnosus GG and GR-1, have made them suitable for applications to developing countries in Africa and beyond. Their use with a Streptococcus thermophilus starter strain C106, in the fermentation of milk, millet, and juices has provided a means to reach over 250,000 consumers of the first probiotic food on the continent. The social and economical implications for this translational research are significant, and especially pertinent for people living in poverty, with malnutrition and exposure to environmental toxins and infectious diseases including HIV and malaria. This example of probiotic applications illustrates the power of microbes in positively impacting the lives of women, men, and children, right across the food value chain.
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Affiliation(s)
- Nieke Westerik
- Yoba for Life foundation, Amsterdam, Netherlands.,Department of Molecular Cell Biology, VU University Amsterdam, Amsterdam, Netherlands
| | - Remco Kort
- Yoba for Life foundation, Amsterdam, Netherlands.,Department of Molecular Cell Biology, VU University Amsterdam, Amsterdam, Netherlands.,Department of Microbiology and Systems Biology, Netherlands Organization for Applied Scientific Research (TNO), Zeist, Netherlands
| | | | - Gregor Reid
- Canadian R&D Centre for Human Microbiome and Probiotics, Lawson Health Research Institute, London, ON, Canada.,Departments of Microbiology and Immunology, Surgery, Western University, London, ON, Canada
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23
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Eckert C, Agnol WD, Dallé D, Serpa VG, Maciel MJ, Lehn DN, Volken de Souza CF. Development of alginate-pectin microparticles with dairy whey using vibration technology: Effects of matrix composition on the protection of Lactobacillus spp. from adverse conditions. Food Res Int 2018; 113:65-73. [PMID: 30195547 DOI: 10.1016/j.foodres.2018.07.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 06/03/2018] [Accepted: 07/01/2018] [Indexed: 12/22/2022]
Abstract
In this study, lactic acid bacteria with probiotic potential, including Lactobacillus plantarum ATCC8014, L. paracasei ML33 and L. pentosus ML82, were encapsulated with whey-alginate-pectin (WAP) or whey permeate-alginate-pectin (PAP) by an extrusion process using vibrational technology, with the resulting microparticles assessed for their resistance to adverse conditions. The aim was to assess the effect of the encapsulation wall materials on the viability of microorganisms, the encapsulation, refrigerated storage and simulated gastrointestinal tract conditions, the kinetic parameters of acidification, and the morphology of microparticles. The bacteria encapsulated with the WAP wall material were adequately protected. Furthermore, after three months of storage at 4 °C, the encapsulated bacteria exhibited a cell viability of >6 log CFU mL-1. In addition, the encapsulated L. plantarum ATCC8014 and L. pentosus ML82 isolates exhibited the highest viability at the end of the storage period among the assayed isolates. Encapsulated bacteria showed greater resistance to acidic conditions than unencapsulated bacteria when exposed to simulated gastrointestinal tract conditions. The maximum rate of milk acidification by encapsulated Lactobacillus spp. was approximately three-fold lower than that observed for unencapsulated bacteria. The resulting size of the microparticles generated using both combinations of wall materials used was approximately 150 μm. The cheese whey and whey permeate combined with alginate and pectin to adequately encapsulate and protect Lactobacillus spp. from the adverse conditions of the simulated gastrointestinal tract and from refrigeration storage temperatures. Furthermore, the sizes of the obtained microparticles indicated that the encapsulated materials are suitable for being incorporated into foods without changing their sensory properties.
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Affiliation(s)
- Camila Eckert
- Laboratory of Food Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil; Postgraduate Program in Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil
| | - Wendell Dall Agnol
- Laboratory of Food Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil; Postgraduate Program in Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil
| | - Danieli Dallé
- Laboratory of Food Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil; Postgraduate Program in Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil
| | - Vanessa Garcia Serpa
- Laboratory of Food Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil; Postgraduate Program in Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil
| | - Mônica Jachetti Maciel
- Laboratory of Food Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil; Postgraduate Program in Sustainable Environmental Systems, University of Vale do Taquari - Univates, Lajeado, RS, Brazil
| | - Daniel Neutzling Lehn
- Laboratory of Food Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil
| | - Claucia Fernanda Volken de Souza
- Laboratory of Food Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil; Postgraduate Program in Biotechnology, University of Vale do Taquari - Univates, Lajeado, RS, Brazil; Postgraduate Program in Sustainable Environmental Systems, University of Vale do Taquari - Univates, Lajeado, RS, Brazil..
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24
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Gheziel C, Russo P, Arena MP, Spano G, Ouzari HI, Kheroua O, Saidi D, Fiocco D, Kaddouri H, Capozzi V. Evaluating the Probiotic Potential of Lactobacillus plantarum Strains from Algerian Infant Feces: Towards the Design of Probiotic Starter Cultures Tailored for Developing Countries. Probiotics Antimicrob Proteins 2018; 11:113-123. [DOI: 10.1007/s12602-018-9396-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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25
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Pekmez CT, Dragsted LO, Brahe LK. Gut microbiota alterations and dietary modulation in childhood malnutrition - The role of short chain fatty acids. Clin Nutr 2018; 38:615-630. [PMID: 29496274 DOI: 10.1016/j.clnu.2018.02.014] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 02/02/2018] [Accepted: 02/08/2018] [Indexed: 12/12/2022]
Abstract
The gut microbiome affects the health status of the host through different mechanisms and is associated with a wide variety of diseases. Both childhood undernutrition and obesity are linked to alterations in composition and functionality of the gut microbiome. One of the possible mechanisms underlying the interplay between microbiota and host metabolism is through appetite-regulating hormones (including leptin, ghrelin, glucagon-like peptide-1). Short chain fatty acids, the end product of bacterial fermentation of non-digestible carbohydrates, might be able to alter energy harvest and metabolism through enteroendocrine cell signaling, adipogenesis and insulin-like growth factor-1 production. Elucidating these mechanisms may lead to development of new modulation practices of the gut microbiota as a potential prevention and treatment strategy for childhood malnutrition. The present overview will briefly outline the gut microbiota development in the early life, gut microbiota alterations in childhood undernutrition and obesity, and whether this relationship is causal. Further we will discuss possible underlying mechanisms in relation to the gut-brain axis and short chain fatty acids, and the potential of probiotics, prebiotics and synbiotics for modulating the gut microbiota during childhood as a prevention and treatment strategy against undernutrition and obesity.
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Affiliation(s)
- Ceyda Tugba Pekmez
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg C, Denmark; Department of Nutrition and Dietetics, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey.
| | - Lars Ove Dragsted
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg C, Denmark
| | - Lena Kirchner Brahe
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg C, Denmark
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26
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Tao L, Wang B, Zhong Y, Pow SH, Zeng X, Qin C, Zhang P, Chen S, He W, Tan Y, Liu H, Jiang Y, Chen W, Chen YZ. Database and Bioinformatics Studies of Probiotics. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:7599-7606. [PMID: 28727425 DOI: 10.1021/acs.jafc.7b01815] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Probiotics have been widely explored for health benefits, animal cares, and agricultural applications. Recent advances in microbiome, microbiota, and microbial dark matter research have fueled greater interests in and paved ways for the study of the mechanisms of probiotics and the discovery of new probiotics from uncharacterized microbial sources. A probiotics database named PROBIO was developed to facilitate these efforts and the need for the information on the known probiotics, which provides the comprehensive information about the probiotic functions of 448 marketed, 167 clinical trial/field trial, and 382 research probiotics for use or being studied for use in humans, animals, and plants. The potential applications of the probiotics data are illustrated by several literature-reported investigations, which have used the relevant information for probing the function and mechanism of the probiotics and for discovering new probiotics. PROBIO can be accessed free of charge at http://bidd2.nus.edu.sg/probio/homepage.htm .
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Affiliation(s)
- Lin Tao
- School of Medicine, Hangzhou Normal University , Hangzhou, P. R. China 310012
| | - Bohua Wang
- College of Life and Environmental Sciences, Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Hunan University of Arts and Science , Changde, Hunan, P. R. China 415000
- Key Lab of Agricultural Products Processing and Quality Control of Nanchang City, Jiangxi Agricultural University , Nanchang, P. R. China 330045
| | - Yafen Zhong
- Key Lab of Agricultural Products Processing and Quality Control of Nanchang City, Jiangxi Agricultural University , Nanchang, P. R. China 330045
| | - Siok Hoon Pow
- Bioinformatics and Drug Design Group, Department of Pharmacy, and Center for Computational Science and Engineering, National University of Singapore , Singapore 117543
| | - Xian Zeng
- Bioinformatics and Drug Design Group, Department of Pharmacy, and Center for Computational Science and Engineering, National University of Singapore , Singapore 117543
| | - Chu Qin
- Bioinformatics and Drug Design Group, Department of Pharmacy, and Center for Computational Science and Engineering, National University of Singapore , Singapore 117543
| | - Peng Zhang
- Bioinformatics and Drug Design Group, Department of Pharmacy, and Center for Computational Science and Engineering, National University of Singapore , Singapore 117543
| | - Shangying Chen
- Bioinformatics and Drug Design Group, Department of Pharmacy, and Center for Computational Science and Engineering, National University of Singapore , Singapore 117543
| | - Weidong He
- Bioinformatics and Drug Design Group, Department of Pharmacy, and Center for Computational Science and Engineering, National University of Singapore , Singapore 117543
| | - Ying Tan
- The Key Laboratory of Chemical Biology, Guangdong Province, Graduate School at Shenzhen, Tsinghua University , Shenzhen, Guangdong, P. R. China 518055
| | - Hongxia Liu
- The Key Laboratory of Chemical Biology, Guangdong Province, Graduate School at Shenzhen, Tsinghua University , Shenzhen, Guangdong, P. R. China 518055
| | - Yuyang Jiang
- The Key Laboratory of Chemical Biology, Guangdong Province, Graduate School at Shenzhen, Tsinghua University , Shenzhen, Guangdong, P. R. China 518055
| | - Weiping Chen
- Key Lab of Agricultural Products Processing and Quality Control of Nanchang City, Jiangxi Agricultural University , Nanchang, P. R. China 330045
| | - Yu Zong Chen
- Bioinformatics and Drug Design Group, Department of Pharmacy, and Center for Computational Science and Engineering, National University of Singapore , Singapore 117543
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Billès E, Coma V, Peruch F, Grelier S. Water-soluble cellulose oligomer production by chemical and enzymatic synthesis: a mini-review. POLYM INT 2017. [DOI: 10.1002/pi.5398] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Elise Billès
- Laboratoire de Chimie des Polymères Organiques; Université de Bordeaux; Pessac France
| | - Véronique Coma
- Laboratoire de Chimie des Polymères Organiques; Université de Bordeaux; Pessac France
| | - Frédéric Peruch
- Laboratoire de Chimie des Polymères Organiques; Université de Bordeaux; Pessac France
| | - Stéphane Grelier
- Laboratoire de Chimie des Polymères Organiques; Université de Bordeaux; Pessac France
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Spray-drying process preserves the protective capacity of a breast milk-derived Bifidobacterium lactis strain on acute and chronic colitis in mice. Sci Rep 2017; 7:43211. [PMID: 28233848 PMCID: PMC5324110 DOI: 10.1038/srep43211] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 01/20/2017] [Indexed: 12/24/2022] Open
Abstract
Gut microbiota dysbiosis plays a central role in the development and perpetuation of chronic inflammation in inflammatory bowel disease (IBD) and therefore is key target for interventions with high quality and functional probiotics. The local production of stable probiotic formulations at limited cost is considered an advantage as it reduces transportation cost and time, thereby increasing the effective period at the consumer side. In the present study, we compared the anti-inflammatory capacities of the Bifidobacterium animalis subsp. lactis (B. lactis) INL1, a probiotic strain isolated in Argentina from human breast milk, with the commercial strain B. animalis subsp. lactis BB12. The impact of spray-drying, a low-cost alternative of bacterial dehydration, on the functionality of both bifidobacteria was also investigated. We showed for both bacteria that the spray-drying process did not impact on bacterial survival nor on their protective capacities against acute and chronic colitis in mice, opening future perspectives for the use of strain INL1 in populations with IBD.
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29
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Characterization of lactobacilli strains derived from cocoa fermentation in the south of Bahia for the development of probiotic cultures. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2016.06.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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30
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Westerik N, Wacoo AP, Sybesma W, Kort R. Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods. J Vis Exp 2016:54365. [PMID: 27684196 PMCID: PMC5091997 DOI: 10.3791/54365] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
A novel dried bacterial consortium of Lactobacillus rhamnosus yoba 2012 and Streptococcus thermophilus C106 is cultured in 1 L of milk. This fresh starter can be used for the production of fermented milk and other fermented foods either at home or at small-scale in rural settings. For the fresh starter, 1 L of milk is pasteurized in a pan that fits into a larger pan containing water, placed on a source of heat. In this water bath, the milk is heated and incubated at 85 °C for 30 min. Thereafter, the milk is cooled down to 45 °C, transferred to a vacuum flask, inoculated with the dried bacteria and left for at least 16 hr between 30 °C and 45 °C. For the purpose of frequent home production, the fresh starter is frozen into ice cubes, which can be used for the production of small volumes of up to 2 L of fermented milk. For the purpose of small-scale production in resource-poor countries, pasteurization of up to 100 L of milk is conducted in milk cans that are placed in a large sauce pan filled with water and heated on a fire at 85 °C for 30 min, and subsequently cooled to 45 °C. Next, the 100 L batch is inoculated with the 1 L freshly prepared starter mentioned before. To assure an effective fermentation at a temperature between 30 and 45 °C, the milk can is covered with a blanket for 12 hr. For the production of non-dairy fermented foods, the fresh starter is left in a cheese cloth for 12 hr, and the drained-off whey can be subsequently used for the inoculation of a wide range of food raw materials, including vegetables and cereal-based foods.
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Affiliation(s)
- Nieke Westerik
- Yoba for Life Foundation; Department of Molecular Cell Biology, Vrije Universiteit Amsterdam (VUA)
| | - Alex Paul Wacoo
- Yoba for Life Foundation; Department of Molecular Cell Biology, Vrije Universiteit Amsterdam (VUA); Uganda Industrial Research Institute (UIRI)
| | | | - Remco Kort
- Yoba for Life Foundation; Department of Molecular Cell Biology, Vrije Universiteit Amsterdam (VUA); Micropia, Natura Artis Magistra; Department of Microbiology and Systems Biology, Netherlands Organisation for Applied Scientific Research (TNO);
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Reid G, Kumar H, Khan AI, Rautava S, Tobin J, Salminen S. The case in favour of probiotics before, during and after pregnancy: insights from the first 1,500 days. Benef Microbes 2016; 7:353-62. [PMID: 26839074 DOI: 10.3920/bm2015.0140] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Successful human reproduction requires microbial homeostasis in the female reproductive tract, and colonisation of the newborn with beneficial microbes. In order to prevent several complications associated with dysbiosis, the administration of probiotics is more often being considered. The objective of the enclosed review was to examine the rationale for probiotic utility before and during pregnancy and in the early phase of infant life. The conclusions emerged from a panel of researchers who met during the International Scientific Association for Probiotics and Prebiotics (ISAPP) workshop held in Washington, DC, USA in 2015. The group concluded based upon the current literature, that a case can be made for the use of a specific sets of probiotic organisms during the first 1,500 days of life, with the goal of a healthy pregnancy to term, and a healthy start to life with lowered risk of infections and inflammatory events. The key to successfully translating these recommendations to practice is that products be made available and affordable to women in developed and developing countries.
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Affiliation(s)
- G Reid
- 1 Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, 268 Grosvenor Street, London, Ontario N6A 4V2, Canada.,2 Department of Microbiology and Immunology, University of Western Ontario, London, Ontario N6A 5C1, Canada
| | - H Kumar
- 3 Functional Foods Forum, University of Turku, Itäinenpitkäkatu 4 A, 20014 Turku, Finland
| | - A I Khan
- 4 Centre for Vaccine Sciences, International Centre for Diarrhoeal Disease Research, Bangladesh, P.O. Box 128, Dhaka 1000, Bangladesh
| | - S Rautava
- 5 Department of Pediatrics, University of Turku and Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland
| | - J Tobin
- 6 Melbourne Medical School Centre for Indigenous Health Equity, 207 Bouverie St, Parkville, Melbourne 3010, Victoria, Australia
| | - S Salminen
- 3 Functional Foods Forum, University of Turku, Itäinenpitkäkatu 4 A, 20014 Turku, Finland
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Production and Biomedical Applications of Probiotic Biosurfactants. Curr Microbiol 2016; 72:489-95. [PMID: 26742771 DOI: 10.1007/s00284-015-0978-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Accepted: 11/24/2015] [Indexed: 01/23/2023]
Abstract
Biosurfactants have been widely used for environmental and industrial applications. However, their use in medical field is still limited. Probiotic biosurfactants possess an immense antimicrobial, anti-adhesive, antitumor, and antibiofilm potential. Moreover, they have an additional advantage over conventional microbial surfactants because probiotics are an integral part of normal human microflora and their biosurfactants are innocuous to human. So, they can be effectively exploited for medicinal use. Present review is aimed to discourse the production and biomedical applications of probiotic biosurfactants.
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Kort R, Westerik N, Mariela Serrano L, Douillard FP, Gottstein W, Mukisa IM, Tuijn CJ, Basten L, Hafkamp B, Meijer WC, Teusink B, de Vos WM, Reid G, Sybesma W. A novel consortium of Lactobacillus rhamnosus and Streptococcus thermophilus for increased access to functional fermented foods. Microb Cell Fact 2015; 14:195. [PMID: 26643044 PMCID: PMC4672519 DOI: 10.1186/s12934-015-0370-x] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 10/27/2015] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The lactic acid bacterium Lactobacillus rhamnosus GG is the most studied probiotic bacterium with proven health benefits upon oral intake, including the alleviation of diarrhea. The mission of the Yoba for Life foundation is to provide impoverished communities in Africa increased access to Lactobacillus rhamnosus GG under the name Lactobacillus rhamnosus yoba 2012, world's first generic probiotic strain. We have been able to overcome the strain's limitations to grow in food matrices like milk, by formulating a dried starter consortium with Streptococcus thermophilus that enables the propagation of both strains in milk and other food matrices. The affordable seed culture is used by people in resource-poor communities. RESULTS We used S. thermophilus C106 as an adjuvant culture for the propagation of L. rhamnosus yoba 2012 in a variety of fermented foods up to concentrations, because of its endogenous proteolytic activity, ability to degrade lactose and other synergistic effects. Subsequently, L. rhamnosus could reach final titers of 1E+09 CFU ml(-1), which is sufficient to comply with the recommended daily dose for probiotics. The specific metabolic interactions between the two strains were derived from the full genome sequences of L. rhamnosus GG and S. thermophilus C106. The piliation of the L. rhamnosus yoba 2012, required for epithelial adhesion and inflammatory signaling in the human host, was stable during growth in milk for two rounds of fermentation. Sachets prepared with the two strains, yoba 2012 and C106, retained viability for at least 2 years. CONCLUSIONS A stable dried seed culture has been developed which facilitates local and low-cost production of a wide range of fermented foods that subsequently act as delivery vehicles for beneficial bacteria to communities in east Africa.
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Affiliation(s)
- Remco Kort
- Yoba for Life Foundation, Hunzestraat 133-A, 1079 WB, Amsterdam, The Netherlands. .,Micropia, Natura Artis Magistra, Plantage Kerklaan 38-40, 1018 CZ, Amsterdam, The Netherlands. .,Department of Molecular Cell Biology, VU University Amsterdam, De Boelelaan 1085, 1081 HV, Amsterdam, The Netherlands. .,TNO Microbiology and Systems Biology, Zeist, The Netherlands.
| | - Nieke Westerik
- Yoba for Life Foundation, Hunzestraat 133-A, 1079 WB, Amsterdam, The Netherlands. .,Department of Molecular Cell Biology, VU University Amsterdam, De Boelelaan 1085, 1081 HV, Amsterdam, The Netherlands.
| | | | - François P Douillard
- Department of Veterinary Biosciences, University of Helsinki, Agnes Sjöberginkatu 2, 00790, Helsinki, Finland.
| | - Willi Gottstein
- Department of Molecular Cell Biology, VU University Amsterdam, De Boelelaan 1085, 1081 HV, Amsterdam, The Netherlands.
| | - Ivan M Mukisa
- Department of Food Technology and Human Nutrition, Makerere University, Kampala, Uganda.
| | - Coosje J Tuijn
- Yoba for Life Foundation, Hunzestraat 133-A, 1079 WB, Amsterdam, The Netherlands.
| | | | | | | | - Bas Teusink
- Department of Molecular Cell Biology, VU University Amsterdam, De Boelelaan 1085, 1081 HV, Amsterdam, The Netherlands.
| | - Willem M de Vos
- Department of Veterinary Biosciences, University of Helsinki, Agnes Sjöberginkatu 2, 00790, Helsinki, Finland. .,Department of Bacteriology and Immunology, RPU Immunobiology, University of Helsinki, Helsinki, Finland. .,Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands.
| | - Gregor Reid
- Canadian Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, ON, Canada. .,Division of Urology, Department of Microbiology and Immunology, Department of Surgery, Western University, London, ON, Canada.
| | - Wilbert Sybesma
- Yoba for Life Foundation, Hunzestraat 133-A, 1079 WB, Amsterdam, The Netherlands.
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