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Zhang L, Ni X, Jiang M, Du M, Zhang S, Jiang H, Liu C, Liu S. Lacticaseibacillus rhamnosus Strains for Alleviation of Irritable Bowel Disease and Chronic Fatigue Syndrome. Microorganisms 2024; 12:1081. [PMID: 38930463 PMCID: PMC11205684 DOI: 10.3390/microorganisms12061081] [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: 04/29/2024] [Revised: 05/16/2024] [Accepted: 05/21/2024] [Indexed: 06/28/2024] Open
Abstract
Lacticaseibacillus rhamnosus is applied as a probiotic to alleviate various metabolic, gastrointestinal, and psychological symptoms and diseases, and its probiotic effectiveness is strain-specific. In this study, we obtained 21 strains of Ls. rhamnosus, and their genomes were sequenced. We defined the pan- and core-genomes of Ls. rhamnosus. Phenotypes such as the assimilation of carbohydrates and antibiotic resistance were experimentally characterized and associated with genome annotations. Nine strains were selected and tested for growth rates, tolerance to acidity/alkalinity and bile acids, the production of short-chain fatty acids, and competition with pathogenic microbes. Strains WL11 and WL17 were targeted as potential probiotics and were applied in mouse model tests for the alleviation of chronic fatigue syndrome (CFS) and irritable bowel syndrome (IBS). The results showed that WL11 and WL17 effectively alleviated slow body weight gain, anxiety, poor memory, and cognitive impairment in CFS mouse models. They also reduced the expression of pro-inflammatory factors, such as TNF-α and IL-6, and alleviated intestinal peristalsis, visceral hypersensitivity, and anxiety-like behavior in IBS mouse models. This study reports new Ls. rhamnosus strain resources and their effect on alleviation of both IBS and CFS symptoms with mouse models; the probiotic functions of those strains in human patients remain to be further tested.
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Affiliation(s)
- Liang Zhang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (L.Z.); (X.N.); (M.J.); (M.D.); (S.Z.); (H.J.); (C.L.)
| | - Xue Ni
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (L.Z.); (X.N.); (M.J.); (M.D.); (S.Z.); (H.J.); (C.L.)
| | - Minzhi Jiang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (L.Z.); (X.N.); (M.J.); (M.D.); (S.Z.); (H.J.); (C.L.)
| | - Mengxuan Du
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (L.Z.); (X.N.); (M.J.); (M.D.); (S.Z.); (H.J.); (C.L.)
| | - Shuwen Zhang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (L.Z.); (X.N.); (M.J.); (M.D.); (S.Z.); (H.J.); (C.L.)
| | - He Jiang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (L.Z.); (X.N.); (M.J.); (M.D.); (S.Z.); (H.J.); (C.L.)
| | - Chang Liu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (L.Z.); (X.N.); (M.J.); (M.D.); (S.Z.); (H.J.); (C.L.)
| | - Shuangjiang Liu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (L.Z.); (X.N.); (M.J.); (M.D.); (S.Z.); (H.J.); (C.L.)
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
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Derebasi BN, Davran Bulut S, Aksoy Erden B, Sadeghian N, Taslimi P, Celebioglu HU. Effects of p-coumaric acid on probiotic properties of Lactobacillus acidophilus LA-5 and lacticaseibacillus rhamnosus GG. Arch Microbiol 2024; 206:223. [PMID: 38642150 DOI: 10.1007/s00203-024-03957-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 04/09/2024] [Indexed: 04/22/2024]
Abstract
Probiotics are defined as "live microorganisms that provide health benefits to the host when administered in adequate amounts." Probiotics have beneficial effects on human health, including antibacterial activity against intestinal pathogens, regulation of blood cholesterol levels, reduction of colitis and inflammation incidence, regulation of the immune system, and prevention of colon cancer. In addition to probiotic bacteria, some phenolic compounds found in foods we consume (both food and beverages) have positive effects on human health. p-coumaric acid (p-CA) is one of the most abundant phenolic compounds in nature and human diet. The interactions between these two different food components (phenolics and probiotics), resulting in more beneficial combinations called synbiotics, are not well understood in terms of how they will affect the gut microbiota by promoting the probiotic properties and growth of probiotic bacteria. Thus, this study aimed to investigate synbiotic relationship between p-CA and Lactobacillus acidophilus LA-5 (LA-5), Lacticaseibacillus rhamnosus GG (LGG). Probiotic bacteria were grown in the presence of p-CA at different concentrations, and the effects of p-CA on probiotic properties, as well as its in vitro effects on AChE and BChE activities, were investigated. Additionally, Surface analysis was conducted using FTIR. The results showed that treatment with p-CA at different concentrations did not exhibit any inhibitory effect on the growth kinetics of LA-5 and LGG probiotic bacteria. Additionally, both probiotic bacteria demonstrated high levels of antibacterial properties. It showed that it increased the auto-aggregation of both probiotics. While p-CA increased co-aggregation of LA-5 and LGG against Escherichia coli, it decreased co-aggregation against Staphylococcus aureus. Probiotics grown with p-CA were more resistant to pepsin. While p-CA increased the resistance of LA-5 to bile salt, it decreased the resistance of LGG. The combinations of bacteria and p-CA efficiently suppressed AChE and BChE with inhibition (%) 11.04-68.43 and 13.20-65.72, respectively. Furthermore, surface analysis was conducted using FTIR to investigate the interaction of p-coumaric acid with LA-5 and LGG, and changes in cell components on the bacterial surface were analyzed. The results, recorded in range of 4000 -600 cm-1 with resolution of 4 cm-1, demonstrated that p-CA significantly affected only the phosphate/CH ratio for both bacteria. These results indicate the addition of p-CA to the probiotic growth may enhance the probiotic properties of bacteria.
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Affiliation(s)
- Buse Nur Derebasi
- Department of Biotechnology, Faculty of Science, Bartin University, Bartin, Turkey
| | - Sena Davran Bulut
- Department of Biotechnology, Faculty of Science, Bartin University, Bartin, Turkey
| | - Busra Aksoy Erden
- Central Research Laboratory Application and Research Center, Bartin University, Bartin, Turkey
| | - Nastaran Sadeghian
- Department of Biotechnology, Faculty of Science, Bartin University, Bartin, Turkey
| | - Parham Taslimi
- Department of Biotechnology, Faculty of Science, Bartin University, Bartin, Turkey
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Seo MJ, Won SM, Kwon MJ, Song JH, Lee EB, Cho JH, Park KW, Yoon JH. Screening of lactic acid bacteria with anti-adipogenic effect and potential probiotic properties from grains. Sci Rep 2023; 13:11022. [PMID: 37419937 PMCID: PMC10329024 DOI: 10.1038/s41598-023-36961-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 06/13/2023] [Indexed: 07/09/2023] Open
Abstract
A total of 187 lactic acid bacteria were isolated from four types of grains collected in South Korea. The bacterial strains were assigned as members of Levilactobacillus brevis, Latilactobacillus curvatus, Lactiplantibacillus plantarum, Lactococcus taiwanensis, Pediococcus pentosaceus, and Weissella paramesenteroides based on the closest similarity using 16S rRNA gene sequence analysis. The strains belonging to the same species were analyzed using RAPD-PCR, and one or two among strains showing the same band pattern were selected. Finally, 25 representative strains were selected for further functional study. Inhibitory effects of lipid accumulation were observed in the strains tested. Pediococcus pentosaceus K28, Levilactobacillus brevis RP21 and Lactiplantibacillus plantarum RP12 significantly reduced lipid accumulation and did not show cytotoxicity in C3H10T1/2 cells at treatment of 1-200 μg/mL. The three LAB strains decreased significantly expression of six adipogenic marker genes, PPARγ, C/EBPα, CD36, LPL, FAS and ACC, in C3H10T1/2 adipocytes. The three strains survived under strong acidity and bile salt conditions. The three strains showed adhesion to Caco-2 cells similar to a reference strain LGG. The resistance of the three strains to several antibiotics was also assessed. Strains RP12 and K28 were confirmed not to produce harmful enzymes based on API ZYM kit results. Based on these results, strains K28, RP21 and RP12 isolated from grains had the ability to inhibit adipogenesis in adipocytes and potentially be useful as probiotics.
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Affiliation(s)
- Min Ju Seo
- Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - Sung-Min Won
- Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - Min Ju Kwon
- Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - Ji Hyeon Song
- Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - Eun Bee Lee
- Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - Jun Hyeong Cho
- Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - Kye Won Park
- Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - Jung-Hoon Yoon
- Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea.
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Sreepathi N, Kumari VBC, Huligere SS, Al-Odayni AB, Lasehinde V, Jayanthi MK, Ramu R. Screening for potential novel probiotic Levilactobacillus brevis RAMULAB52 with antihyperglycemic property from fermented Carica papaya L. Front Microbiol 2023; 14:1168102. [PMID: 37408641 PMCID: PMC10318367 DOI: 10.3389/fmicb.2023.1168102] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/25/2023] [Indexed: 07/07/2023] Open
Abstract
Probiotics are live microorganisms with various health benefits when consumed in appropriate amounts. Fermented foods are a rich source of these beneficial organisms. This study aimed to investigate the probiotic potential of lactic acid bacteria (LAB) isolated from fermented papaya (Carica papaya L.) through in vitro methods. The LAB strains were thoroughly characterized, considering their morphological, physiological, fermentative, biochemical, and molecular properties. The LAB strain's adherence and resistance to gastrointestinal conditions, as well as its antibacterial and antioxidant capabilities, were examined. Moreover, the strains were tested for susceptibility against specific antibiotics, and safety evaluations encompassed the hemolytic assay and DNase activity. The supernatant of the LAB isolate underwent organic acid profiling (LCMS). The primary objective of this study was to assess the inhibitory activity of α-amylase and α-glucosidase enzymes, both in vitro and in silico. Gram-positive strains that were catalase-negative and carbohydrate fermenting were selected for further analysis. The LAB isolate exhibited resistance to acid bile (0.3% and 1%), phenol (0.1% and 0.4%), and simulated gastrointestinal juice (pH 3-8). It demonstrated potent antibacterial and antioxidant abilities and resistance to kanamycin, vancomycin, and methicillin. The LAB strain showed autoaggregation (83%) and adhesion to chicken crop epithelial cells, buccal epithelial cells, and HT-29 cells. Safety assessments indicated no evidence of hemolysis or DNA degradation, confirming the safety of the LAB isolates. The isolate's identity was confirmed using the 16S rRNA sequence. The LAB strain Levilactobacillus brevis RAMULAB52, derived from fermented papaya, exhibited promising probiotic properties. Moreover, the isolate demonstrated significant inhibition of α-amylase (86.97%) and α-glucosidase (75.87%) enzymes. In silico studies uncovered that hydroxycitric acid, one of the organic acids derived from the isolate, interacted with crucial amino acid residues of the target enzymes. Specifically, hydroxycitric acid formed hydrogen bonds with key amino acid residues, such as GLU233 and ASP197 in α-amylase, and ASN241, ARG312, GLU304, SER308, HIS279, PRO309, and PHE311 in α-glucosidase. In conclusion, Levilactobacillus brevis RAMULAB52, isolated from fermented papaya, possesses promising probiotic properties and exhibits potential as an effective remedy for diabetes. Its resistance to gastrointestinal conditions, antibacterial and antioxidant abilities, adhesion to different cell types, and significant inhibition of target enzymes make it a valuable candidate for further research and potential application in the field of probiotics and diabetes management.
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Affiliation(s)
- Navya Sreepathi
- Department of Biotechnology and Bioinformatics, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
- Department of Pharmacology, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - V. B. Chandana Kumari
- Department of Biotechnology and Bioinformatics, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Sujay S. Huligere
- Department of Biotechnology and Bioinformatics, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Abdel-Basit Al-Odayni
- Department of Restorative Dental Science, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Victor Lasehinde
- Department of Biology, Washington University, St. Louis, MO, United States
| | - M. K. Jayanthi
- Department of Pharmacology, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Ramith Ramu
- Department of Biotechnology and Bioinformatics, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
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Kistaubayeva A, Abdulzhanova M, Zhantlessova S, Savitskaya I, Karpenyuk T, Goncharova A, Sinyavskiy Y. The Effect of Encapsulating a Prebiotic-Based Biopolymer Delivery System for Enhanced Probiotic Survival. Polymers (Basel) 2023; 15:polym15071752. [PMID: 37050363 PMCID: PMC10097185 DOI: 10.3390/polym15071752] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 04/03/2023] Open
Abstract
Orally delivered probiotics must survive transit through harsh environments during gastrointestinal (GI) digestion and be delivered and released into the target site. The aim of this work was to evaluate the survivability and delivery of gel-encapsulated Lactobacillus rhamnosus GG (LGG) to the colon. New hybrid symbiotic beads alginate/prebiotic pullulan/probiotic LGG were obtained by the extrusion method. The average size of the developed beads was 3401 µm (wet), 921 µm (dry) and the bacterial titer was 109 CFU/g. The morphology of the beads was studied by a scanning electron microscope, demonstrating the structure of the bacterial cellulose shell and loading with probiotics. For the first time, we propose adding an enzymatic extract of feces to an artificial colon fluid, which mimics the total hydrolytic activity of the intestinal microbiota. The beads can be digested by fecalase with cellulase activity, indicating intestinal release. The encapsulation of LGG significantly enhanced their viability under simulated GI conditions. However, the beads, in combination with the prebiotic, provided greater protection of bacteria, enhancing their survival and even increasing cell numbers in the capsules. These data suggest the promising prospects of coencapsulation as an innovative delivery method based on the inclusion of probiotic bacteria in a symbiotic matrix.
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Affiliation(s)
- Aida Kistaubayeva
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
| | - Malika Abdulzhanova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
| | - Sirina Zhantlessova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
| | - Irina Savitskaya
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
| | - Tatyana Karpenyuk
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
| | - Alla Goncharova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
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Jang WJ, Lee KB, Jeon MH, Lee SJ, Hur SW, Lee S, Lee BJ, Lee JM, Kim KW, Lee EW. Characteristics and biological control functions of Bacillus sp. PM8313 as a host-associated probiotic in red sea bream ( Pagrus major) aquaculture. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2023; 12:20-31. [PMID: 36381063 PMCID: PMC9641168 DOI: 10.1016/j.aninu.2022.08.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 07/29/2022] [Accepted: 08/10/2022] [Indexed: 06/16/2023]
Abstract
Host-associated probiotics (HAPs) are bacteria originally isolated from rearing water or the host's gastrointestinal tract in order to enhance the host's growth and health. This study investigated the HAP potential of Bacillus sp. PM8313, isolated from wild red sea bream (Pagrus major), through characterization and feeding trials. Results based on in vitro tests showed that PM8313 is safe, confirming its hemolytic, cytotoxic, and antibiotic resistance. In addition, PM8313 showed advantages as a probiotic with high viability in the gastrointestinal model and a high cell adhesion rate. Whole-genome sequencing demonstrated that PM8313 has a 4,615,871 bp single circular chromosome and a guanine-cytosine content of 45.25%. It also showed the absence of genes encoding virulence factors, such as cytotoxin, enterotoxin, hemolysin, sphingomyelinase, and phospholipase. In the feeding trial, a supplemental diet of 1 × 108 CFU/g PM8313 positively altered the weight gain, digestive enzyme activity, and intestinal microbiota composition of red sea bream. Analysis of nonspecific immune parameters and immune-related gene expression, and a challenge test showed that PM8313 supplementation increases immunity and pathogenic bacteria resistance. Our findings suggest that PM8313 should be considered for application as a novel HAP to red sea bream aquaculture.
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Affiliation(s)
- Won Je Jang
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea
| | - Kyung-Bon Lee
- Department of Biology Education College of Education, Chonnam National University, Gwangju, 61186, South Korea
| | - Mi-Hyeon Jeon
- Biopharmaceutical Engineering Major, Division of Applied Bioengineering, Dong-Eui University, Busan, 47340, South Korea
| | - Su-Jeong Lee
- Biopharmaceutical Engineering Major, Division of Applied Bioengineering, Dong-Eui University, Busan, 47340, South Korea
| | - Sang Woo Hur
- Aquafeed Research Center, National Institute of Fisheries Science, Pohang, 37517, South Korea
| | - Seunghan Lee
- Aquafeed Research Center, National Institute of Fisheries Science, Pohang, 37517, South Korea
| | - Bong-Joo Lee
- Aquafeed Research Center, National Institute of Fisheries Science, Pohang, 37517, South Korea
- Department of Smart Fisheries Resources, College of Industrial Sciences, Kongju National University, Yesan, 32439, South Korea
| | - Jong Min Lee
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea
| | - Kang-Woong Kim
- Aquafeed Research Center, National Institute of Fisheries Science, Pohang, 37517, South Korea
| | - Eun-Woo Lee
- Biopharmaceutical Engineering Major, Division of Applied Bioengineering, Dong-Eui University, Busan, 47340, South Korea
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Xia M, Mu S, Fang Y, Zhang X, Yang G, Hou X, He F, Zhao Y, Huang Y, Zhang W, Shen J, Liu S. Genetic and Probiotic Characteristics of Urolithin A Producing Enterococcus faecium FUA027. Foods 2023; 12:foods12051021. [PMID: 36900537 PMCID: PMC10001356 DOI: 10.3390/foods12051021] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/12/2023] [Accepted: 02/23/2023] [Indexed: 03/08/2023] Open
Abstract
Enterococcus faecium FUA027 transforms ellagic acid (EA) to urolithin A (UA), which makes it a potential application in the preparation of UA by industrial fermentation. Here, the genetic and probiotic characteristics of E. faecium FUA027 were evaluated through whole-genome sequence analysis and phenotypic assays. The chromosome size of this strain was 2,718,096 bp, with a GC content of 38.27%. The whole-genome analysis revealed that the genome contained 18 antibiotic resistance genes and seven putative virulence factor genes. E. faecium FUA027 does not contain plasmids and mobile genetic elements (MGEs), and so the transmissibility of antibiotic resistance genes or putative virulence factors should not occur. Phenotypic testing further indicated that E. faecium FUA027 is sensitive to clinically relevant antibiotics. In addition, this bacterium exhibited no hemolytic activity, no biogenic amine production, and could significantly inhibit the growth of the quality control strain. In vitro viability was >60% in all simulated gastrointestinal environments, with good antioxidant activity. The study results suggest that E. faecium FUA027 has the potential to be used in industrial fermentation for the production of urolithin A.
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Affiliation(s)
- Mengjie Xia
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Shuting Mu
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Yaowei Fang
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xiaomeng Zhang
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Guang Yang
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xiaoyue Hou
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Fuxiang He
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Yaling Zhao
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Yichen Huang
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Wei Zhang
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Juan Shen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Shu Liu
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- School of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
- Correspondence:
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Vasudha M, Prashantkumar CS, Bellurkar M, Kaveeshwar V, Gayathri D. Probiotic potential of β‑galactosidase‑producing lactic acid bacteria from fermented milk and their molecular characterization. Biomed Rep 2023; 18:23. [PMID: 36846619 PMCID: PMC9945298 DOI: 10.3892/br.2023.1605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 12/23/2022] [Indexed: 02/10/2023] Open
Abstract
Probiotics have attained significant interest in recent years as a result of their gut microbiome modulation and gastrointestinal health benefits. Numerous fermented foods contain lactic acid bacteria (LAB) which are considered as GRAS and probiotic bacteria. The present study aimed to investigate indigenous LAB from homemade fermented milk samples collected in remote areas of Karnataka (India), in order to isolate the most potent and well-adapted to local environmental conditions bacteria, which were then evaluated using a step-by-step approach focused on the evaluation of probiotic traits and β-galactosidase-producing ability. LAB were screened using 5-bromo-4-chloro-3-indole-D-galactopyranoside (X-Gal) and O-nitrophenyl-β-D-galactopyranoside (ONPG) as substrate, and exhibited β-galactosidase activity ranging from 728.25 to 1,203.32 Miller units. The most promising isolates were selected for 16S rRNA gene sequence analysis and identified as Lactiplantibacillus plantarum, Limosilactobacillus fermentum, Lactiplantibacillus pentosus and Lactiplantibacillus sp. Furthermore, these isolates were evaluated by in vitro, viz., survival in gastrointestinal tract, antibiotic susceptibility, antimicrobial activity, cell surface characteristics, and haemolytic activity. All eight isolates demonstrated strong adherence and prevented pathogen penetration into HT-29 cells, indicating potential of the bacteria to scale up industrial level production of milk products for lactose intolerants.
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Affiliation(s)
- Mahanthesh Vasudha
- Department of Studies in Microbiology, Davangere University, Davangere, Karnataka 577007, India
| | - Chakra S Prashantkumar
- Department of Studies in Microbiology, Davangere University, Davangere, Karnataka 577007, India
| | - Mallika Bellurkar
- Central Research Laboratory, SDM College of Medical Sciences and Hospital, Shri Dharmasthala Manjunatheshwara University, Dharwad, Karnataka 580009, India
| | - Vishwas Kaveeshwar
- Central Research Laboratory, SDM College of Medical Sciences and Hospital, Shri Dharmasthala Manjunatheshwara University, Dharwad, Karnataka 580009, India,Correspondence to: Professor Devaraja Gayathri, Department of Studies in Microbiology, Davangere University, Shivagangothri, Davangere, Karnataka 577007, India
| | - Devaraja Gayathri
- Department of Studies in Microbiology, Davangere University, Davangere, Karnataka 577007, India,Correspondence to: Professor Devaraja Gayathri, Department of Studies in Microbiology, Davangere University, Shivagangothri, Davangere, Karnataka 577007, India
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Hymenolepis diminuta Reduce Lactic Acid Bacterial Load and Induce Dysbiosis in the Early Infection of the Probiotic Colonization of Swiss Albino Rat. Microorganisms 2022; 10:microorganisms10122328. [PMID: 36557581 PMCID: PMC9785584 DOI: 10.3390/microorganisms10122328] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/11/2022] [Accepted: 11/11/2022] [Indexed: 11/27/2022] Open
Abstract
Tapeworm infection continues to be an important cause of morbidity worldwide. Recent metagenomics studies have established a link between gut microbiota and parasite infection. The identification of gut probiotics is of foremost importance to explore its relationship and function with the parasite in the host. In this study, the gut content of hosts infected with tapeworm Hymenolepis diminuta and non-infected host gut were disected out to determine their Lactic acid bacterial (LAB) population in MRS agar and microbial community was analysed by metagenomics. The bacterial count was calculated on a bacterial counting chamber and their morphology was determined microscopically and biochemically. Further, to determine the safety profile antibiotic resistance test, antimicrobial, hemolytic activity, and adhesion capability were calculated. We found six dominant probiotic strains and a decrease in LAB load from 1.7-2.3 × 107 CFU/mL in the uninfected group to a range of 8.4 × 105 CFU/mL to 3.2 × 105 CFU/mL in the infected groups with respect to an increase in the parasite number from 10-18. In addition, we found a depletion in the probiotic relative abundance of Lactobacillus and an enrichment in potentially pathogenic Proteobacteria, Fusobacteria, and Streptococcus. Phylogenetic analysis of the six probiotics revealed a close similarity with different strains of L. brevis, L. johnsonii, L. taiwansis, L. reuteri, L. plantarum, and L. pentosus. Thus, this study suggests that the parasite inhibits probiotic colonization in the gut during its early establishment of infection inside the host.
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Fan S, Xue T, Bai B, Bo T, Zhang J. Probiotic Properties Including the Antioxidant and Hypoglycemic Ability of Lactic Acid Bacteria from Fermented Grains of Chinese Baijiu. Foods 2022; 11:foods11213476. [PMID: 36360089 PMCID: PMC9657167 DOI: 10.3390/foods11213476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/26/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
In this study, lactic acid bacteria (LAB) strains were isolated from fermented grains of traditional Chinese Baijiu, and their probiotic properties were characterized. Eleven out of 29 LAB strains showed good tolerance to the gastrointestinal tract and bile salts. The surface characteristics (auto-aggregation, co-aggregation, hydrophobicity), safety (hemolytic and antibiotic sensitivity), antibacterial activity against three foodborne pathogens, and antioxidant and hypoglycemic properties of the 11 LAB strains were investigated. Principal component analysis (PCA) was used to comprehensively evaluate LAB strains and their probiotic properties. It was found that Weissella cibaria (OP288150), Pediococcus acidilactici (OP288151), Pediococcus pentosaceus (OP288154), Pediococcus pentosaceus (OP288156) and Levilactobacillus brevis (OP288158) showed high probiotic properties, with potential for commercial development. The results also demonstrated that fermented grains of Chinese Baijiu can be used as a source of high-quality probiotics.
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Affiliation(s)
- Sanhong Fan
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory of Research and Utilization of Characteristic Plant Resources, Shanxi University, Taiyuan 030006, China
| | - Tengda Xue
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
| | - Baoqing Bai
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory of Research and Utilization of Characteristic Plant Resources, Shanxi University, Taiyuan 030006, China
| | - Tao Bo
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory of Research and Utilization of Characteristic Plant Resources, Shanxi University, Taiyuan 030006, China
| | - Jinhua Zhang
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory of Research and Utilization of Characteristic Plant Resources, Shanxi University, Taiyuan 030006, China
- Correspondence:
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11
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Lee Y, Kang YR, Chang YH. Effect of pectic oligosaccharide on probiotic survival and physicochemical properties of hydrogel beads for synbiotic encapsulation of Lactobacillus bulgaricus. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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12
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Evaluation of Safety and Probiotic Potential of Enterococcus faecalis MG5206 and Enterococcus faecium MG5232 Isolated from Kimchi, a Korean Fermented Cabbage. Microorganisms 2022; 10:microorganisms10102070. [PMID: 36296346 PMCID: PMC9607435 DOI: 10.3390/microorganisms10102070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/12/2022] [Accepted: 10/17/2022] [Indexed: 11/17/2022] Open
Abstract
The purpose of this study was to evaluate the genotypic and phenotypic toxicity of Enterococcus faecalis MG5206 and Enterococcus faecium MG5232 isolated from kimchi (fermented vegetable cabbage). In this study, the genotypic toxicity of the strains MG5206 and MG5232 was identified through whole-genome sequencing analysis, and phenotypic virulence, such as susceptibility to antibiotics, hemolytic activity, and gelatinase and hyaluronidase activities, was also evaluated. In addition, the in vivo toxicity of both strains was evaluated using an acute oral administration test in Sprague–Dawley rats. In all the tests, both the strains were determined to be safety by confirming that they did not show antibiotic resistance or virulence factors. In addition, these strains exhibited a low level of autoaggregation ability (37.2–66.3%) and hydrophobicity, as well as a high survival rate in gastrointestinal condition in vitro. Therefore, the safety and high gastrointestinal viability of E. faecalis MG5206 and E. faecium MG5232 suggests that both the strains could be utilized in food as potential probiotics in the future.
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13
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The microbiome modulating potential of superheated steam (SHS) treatment of dietary fibres. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.103082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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FAYEMI OE, AKANNI GB, SOBOWALE SS, OELOFSE A, BUYS EM. Potential for increasing folate contents of traditional African fermented sorghum gruel (Motoho) using presumptive probiotic lactic acid bacteria. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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15
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Zhong Y, Fu D, Deng Z, Tang W, Mao J, Zhu T, Zhang Y, Liu J, Wang H. Lactic Acid Bacteria Mixture Isolated From Wild Pig Alleviated the Gut Inflammation of Mice Challenged by Escherichia coli. Front Immunol 2022; 13:822754. [PMID: 35154141 PMCID: PMC8825813 DOI: 10.3389/fimmu.2022.822754] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 01/05/2022] [Indexed: 12/12/2022] Open
Abstract
Wild pigs usually showed high tolerance and resistance to several diseases in the wild environment, suggesting that the gut bacteria of wild pigs could be a good source for discovering potential probiotic strains. In our study, wild pig feces were sequenced and showed a higher relative abundance of the genus Lactobacillus (43.61% vs. 2.01%) than that in the domestic pig. A total of 11 lactic acid bacteria (LAB) strains including two L. rhamnosus, six L. mucosae, one L. fermentum, one L. delbrueckii, and one Enterococcus faecalis species were isolated. To investigate the synergistic effects of mixed probiotics strains, the mixture of 11 LAB strains from an intestinal ecology system was orally administrated in mice for 3 weeks, then the mice were challenged with Escherichia coli ATCC 25922 (2 × 109 CFU) and euthanized after challenge. Mice administrated with LAB strains showed higher (p < 0.05) LAB counts in feces and ileum. Moreover, alterations of specific bacterial genera occurred, including the higher (p < 0.05) relative abundance of Butyricicoccus and Clostridium IV and the lower (p < 0.05) abundance of Enterorhabdus in mice fed with mixed LAB strains. Mice challenged with Escherichia coli showed vacuolization of the liver, lower GSH in serum, and lower villus to the crypt proportion and Claudin-3 level in the gut. In contrast, administration of mixed LAB strains attenuated inflammation of the liver and gut, especially the lowered IL-6 and IL-1β levels (p < 0.05) in the gut. Our study highlighted the importance of gut bacterial diversity and the immunomodulation effects of LAB strains mixture from wild pig in gut health.
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Affiliation(s)
- Yifan Zhong
- College of Animal Science, Zhejiang University, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
| | - Dongyan Fu
- College of Animal Science, Zhejiang University, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
| | - Zhaoxi Deng
- College of Animal Science, Zhejiang University, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
| | - Wenjie Tang
- College of Animal Science, Zhejiang University, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
| | - Jiangdi Mao
- College of Animal Science, Zhejiang University, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
| | - Tao Zhu
- College of Animal Science, Zhejiang University, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
| | - Yu Zhang
- College of Animal Science, Zhejiang University, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
| | - Jianxin Liu
- College of Animal Science, Zhejiang University, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
| | - Haifeng Wang
- College of Animal Science, Zhejiang University, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
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Morales B, Spadetto L, Calvo MÀ, Yeste M, Arosemena L, Rigau T, Rivera del Alamo MM. Evaluation of the Probiotic In Vitro Potential of Lactic Acid-Producing Bacteria from Canine Vagina: Possible Role in Vaginal Health. Animals (Basel) 2022; 12:ani12060796. [PMID: 35327193 PMCID: PMC8944649 DOI: 10.3390/ani12060796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/17/2022] [Accepted: 03/19/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary The use of microorganisms with probiotic capacity, obtained from the natural microbiota itself, is an alternative tool for the treatment and prevention of some animal pathologies. In this study, a total of 94 bitches were sampled in order to identify the lactic acid-producing microbiota of the vagina. Following the general isolation of the vaginal microbiota, 100 strains of lactic acid-producing bacteria (LAB) were identified. Through Gram staining and basic biochemical tests (catalase, oxidase and haemolysis), 13 LAB strains with possible probiotic capacity were selected to undergo an evaluation of resistance to gastrointestinal conditions (pH, lysozyme, bile salts and hydrogen peroxide) and safety and efficacy in vitro (resistance to antibiotics and antimicrobial capacity by disk diffusion). After the selection, only 3 of 100 strains showed in vitro probiotic potential. Abstract Lactic acid-producing bacteria (LAB) are being widely studied due to their probiotic potential. The aim of the present study was to determine and identify the presence of LAB from canine vaginal samples, as well as to evaluate their probiotic in vitro potential. Ninety-four bitches were included in the study. Vaginal samples were obtained by means of a sterile swab and streaked on Man Rogosa Sharpe agar plates. A total of 100 LAB strains were obtained and submitted to Gram stains and basic biochemical tests, which included catalase, oxidase and haemolysis tests. Thirteen strains belonging to the genera Lactobacillus (n = 10), Lactococcus (n = 2) and Pediococcus (n = 1) were selected as potential probiotics and further subjected to evaluation of resistance to gastrointestinal conditions (pH, lysozyme, bile salts and hydrogen peroxide) and safety and efficacy in vitro (resistance to antibiotics and antimicrobial capacity). Only three strains, one Lactobacillus lactis and two Lactobacillus plantarum, accomplished the requirements for being considered as potential in vitro probiotics.
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Affiliation(s)
- Brian Morales
- Department of Animal Health and Anatomy, Faculty of Veterinary Medicine, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (B.M.); (M.À.C.); (L.A.)
| | - Livia Spadetto
- Toxicology Research Group, Faculty of Veterinary Medicine, University of Murcia, Campus Espinardo, 30100 Murcia, Spain;
| | - Maria Àngels Calvo
- Department of Animal Health and Anatomy, Faculty of Veterinary Medicine, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (B.M.); (M.À.C.); (L.A.)
| | - Marc Yeste
- Department of Biology, Faculty of Sciences, University of Griona, 17071 Girona, Spain;
| | - Leonardo Arosemena
- Department of Animal Health and Anatomy, Faculty of Veterinary Medicine, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (B.M.); (M.À.C.); (L.A.)
| | - Teresa Rigau
- Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
- Fundació Hospital Clínic Veterinari, Faculty of Veterinary Medicine, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Maria Montserrat Rivera del Alamo
- Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
- Fundació Hospital Clínic Veterinari, Faculty of Veterinary Medicine, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- Correspondence:
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Li E, Zhu Q, Pang D, Liu F, Liao S, Zou Y. Analysis of Lactobacillus rhamnosus GG in Mulberry Galacto-Oligosaccharide Medium by Comparative Transcriptomics and Metabolomics. Front Nutr 2022; 9:853271. [PMID: 35369065 PMCID: PMC8973438 DOI: 10.3389/fnut.2022.853271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 02/18/2022] [Indexed: 11/13/2022] Open
Abstract
Lactobacillus rhamnosus GG (LGG) has strong acid resistance and can survive passing through the stomach to colonize the intestines, where it promotes the growth of beneficial bacteria. Prebiotics such as mulberry galacto-oligosaccharide (MGO), mulberry polysaccharide solution (MPS), and galactooligosaccharides (GOS) promote LGG proliferation, and MGO has the greatest effect. After culturing LGG with prebiotics, changes in gene expression were studied at the transcriptomic and metabolomic levels. The results showed that, in the stable 24-h growth period of cultivation, ~63 and 132% more differential genes were found after MPS and MGO were added to the MRS medium, respectively, than after GOS was added, and the numbers of up-regulated genes were about 18 and 66% higher with MPS and MGO, respectively, than GOS. Analysis using the KEGG database revealed that, when LGG was cultured with MGO, 120 genes that were up-regulated as the growth rate increased were mainly enriched in pathways such as membrane transport, amino acid metabolism, and carbohydrate metabolism. The genes gatB and gatC were up-regulated for galactose metabolism, and bglA was up-regulated in the glycolysis/gluconeogenesis pathway. The qRT-RCR results, which were in agreement with the RNA-seq, indicated the genes involved in the proliferation effect of LGG were up-regulated. UDP-glucose may be a key metabolite for MGO to promote LGG proliferation.
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Lacticaseibacillus rhamnosus: A Suitable Candidate for the Construction of Novel Bioengineered Probiotic Strains for Targeted Pathogen Control. Foods 2022; 11:foods11060785. [PMID: 35327208 PMCID: PMC8947445 DOI: 10.3390/foods11060785] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/03/2022] [Accepted: 03/07/2022] [Indexed: 12/12/2022] Open
Abstract
Probiotics, with their associated beneficial effects, have gained popularity for the control of foodborne pathogens. Various sources are explored with the intent to isolate novel robust probiotic strains with a broad range of health benefits due to, among other mechanisms, the production of an array of antimicrobial compounds. One of the shortcomings of these wild-type probiotics is their non-specificity. A pursuit to circumvent this limitation led to the advent of the field of pathobiotechnology. In this discipline, specific pathogen gene(s) are cloned and expressed into a given probiotic to yield a novel pathogen-specific strain. The resultant recombinant probiotic strain will exhibit enhanced species-specific inhibition of the pathogen and its associated infection. Such probiotics are also used as vehicles to deliver therapeutic agents. As fascinating as this approach is, coupled with the availability of numerous probiotics, it brings a challenge with regard to deciding which of the probiotics to use. Nonetheless, it is indisputable that an ideal candidate must fulfil the probiotic selection criteria. This review aims to show how Lacticaseibacillus rhamnosus, a clinically best-studied probiotic, presents as such a candidate. The objective is to spark researchers’ interest to conduct further probiotic-engineering studies using L. rhamnosus, with prospects for the successful development of novel probiotic strains with enhanced beneficial attributes.
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Probiotic Effects and Metabolic Products of Enterococcus faecalis LD33 with Respiration Capacity. Foods 2022; 11:foods11040606. [PMID: 35206082 PMCID: PMC8871233 DOI: 10.3390/foods11040606] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/11/2022] [Accepted: 02/17/2022] [Indexed: 02/04/2023] Open
Abstract
Respiration metabolism could improve the long-term survival of lactic acid bacteria (LAB); however, its effect on potential probiotic traits of LAB was not reported. The difference made by Enterococcus faecalis LD33 that was cultured under respiration-permissive and fermentation conditions, such as the biomass, metabolites, antimicrobial activity, tolerance to acid and bile salt, adhesion capabilities, and the ability to inhibit the proliferation of cancer cells were studied. Under a respiration-permissive condition, the final biomass of the culture was about twice as compared to that of fermentation condition. When the metabolites were measured, glucose was exhausted within 8 h. Two-folds of acetic acid, triple of both acetoin and diacetyl, and less than half of lactic acid, were accumulated under the respiratory-permissive condition. No discrimination of growth inhibition on Salmonella enterica serovar Typhimurium ATCC 14028 and Shigella sonnei ATCC 25931 was observed when Enterococcus faecalis LD33 was cultured under both conditions; however, under respiration-permissive condition, the strain presented significant antimicrobial activities to Listeria monocytogenes ATCC19111 and Staphylococcus aureus ATCC6538P. Enterococcus faecalis LD33 displayed relatively strong bile salt tolerance and adherence capability but weaker acid tolerance when undergoing respiration metabolism. There was no significant difference in the anti-cancer effect of the viable bacterial cells on both growth modes; however, the supernatant showed a higher inhibition effect on HT-29 cells than the live bacteria, and there was no significant difference between the supernatant and the 5-Fluorouracil (7 μg/mL). Consequently, the Enterococcus faecalis LD33 undergoing respiration metabolism could bring higher biomass, more flavor metabolites, and better antimicrobial and anti-cancer activities. This study extends our knowledge of respiratory metabolism in LAB and its impact on probiotic traits. E. faecalis LD33 qualifies as a suitable strain against foodborne pathogens, cancer therapy, and eventual application in the food and pharmaceutical industries.
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Wang Y, Dong J, Wang J, Chi W, Zhou W, Tian Q, Hong Y, Zhou X, Ye H, Tian X, Hu R, Wong A. Assessing the drug resistance profiles of oral probiotic lozenges. J Oral Microbiol 2022; 14:2019992. [PMID: 35024089 PMCID: PMC8745366 DOI: 10.1080/20002297.2021.2019992] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Background Probiotic lozenges have been developed to harvest the benefits of probiotics for oral health, but their long-term consumption may encourage the transfer of resistance genes from probiotics to commensals, and eventually to disease-causing bacteria. Aim To screen commercial probiotic lozenges for resistance to antibiotics, characterize the resistance determinants, and examine their transferability in vitro. Results Probiotics of all lozenges were resistant to glycopeptide, sulfonamide, and penicillin antibiotics, while some were resistant to aminoglycosides and cephalosporins. High minimum inhibitory concentrations (MICs) were detected for streptomycin (>128 µg/mL) and chloramphenicol (> 512 µg/mL) for all probiotics but only one was resistant to piperacillin (MIC = 32 µg/mL). PCR analysis detected erythromycin (erm(T), ermB or mefA) and fluoroquinolone (parC or gyr(A)) resistance genes in some lozenges although there were no resistant phenotypes. The dfrD, cat-TC, vatE, aadE, vanX, and aph(3")-III or ant(2")-I genes conferring resistance to trimethoprim, chloramphenicol, quinupristin/dalfopristin, vancomycin, and streptomycin, respectively, were detected in resistant probiotics. The rifampicin resistance gene rpoB was also present. We found no conjugal transfer of streptomycin resistance genes in our co-incubation experiments. Conclusion Our study represents the first antibiotic resistance profiling of probiotics from oral lozenges, thus highlighting the health risk especially in the prevailing threat of drug resistance globally.
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Affiliation(s)
- Yi Wang
- Department of Orthodontics, School and Hospital of Stomatology, Wenzhou Medical University, University Town, Wenzhou, Zhejiang Province, China
| | - Jingya Dong
- Department of Orthodontics, School and Hospital of Stomatology, Wenzhou Medical University, University Town, Wenzhou, Zhejiang Province, China
| | - Junyi Wang
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang Province, China
| | - Wei Chi
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang Province, China
| | - Wei Zhou
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang Province, China
| | - Qiwen Tian
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang Province, China
| | - Yue Hong
- Department of Orthodontics, School and Hospital of Stomatology, Wenzhou Medical University, University Town, Wenzhou, Zhejiang Province, China
| | - Xuan Zhou
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang Province, China
| | - Hailv Ye
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang Province, China
| | - Xuechen Tian
- Zhejiang Bioinformatics International Science and Technology Cooperation Center, Wenzhou, Zhejiang Province, China.,Wenzhou Municipal Key Lab for Applied Biomedical and Biopharmaceutical Informatics, Wenzhou, Zhejiang Province, China
| | - Rongdang Hu
- Department of Orthodontics, School and Hospital of Stomatology, Wenzhou Medical University, University Town, Wenzhou, Zhejiang Province, China
| | - Aloysius Wong
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang Province, China.,Zhejiang Bioinformatics International Science and Technology Cooperation Center, Wenzhou, Zhejiang Province, China.,Wenzhou Municipal Key Lab for Applied Biomedical and Biopharmaceutical Informatics, Wenzhou, Zhejiang Province, China
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Falfán-Cortés RN, Mora-Peñaflor N, Gómez-Aldapa CA, Rangel-Vargas E, Acevedo-Sandoval OA, Franco-Fernández MJ, Castro-Rosas J. Characterization and Evaluation of the Probiotic Potential In Vitro and In Situ of Lacticaseibacillus paracasei Isolated from Tenate Cheese. J Food Prot 2022; 85:112-121. [PMID: 34324685 DOI: 10.4315/jfp-21-021] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 07/21/2021] [Indexed: 11/11/2022]
Abstract
ABSTRACT The objectives of this investigation were (i) to isolate bacteria from various foods (dairy products, fruits, and vegetables) and evaluate their probiotic potential and (ii) to select, identify, and characterize the bacterial strain(s) with the highest probiotic potential. From 14 food samples, 117 bacterial strains were isolated; however, only 42 (T1 to T42) had the correct characteristics (gram positive, coccoid, and bacilliform) and were catalase and oxidase negative to be considered presumptive lactic acid bacteria (LAB). The antagonistic activity of the 42 strains was evaluated against Escherichia coli (O157:H7E09), Listeria monocytogenes (ATCC 19115), Staphylococcus aureus (ATCC 25923), and Salmonella enterica serotype Typhimurium (ATCC 14028). The nine strains with the highest antagonistic activity were recovered from the following foods: pulque (T1), sprouted beans (T26), Ranchero cheese (T30, T31, T32, T33, T35, and T36), and Tenate cheese (T40). The inhibition zones on culture and sensitivity plates were 17.0 ± 1.2 to 19.3 ± 2.8 mm in diameter. Based on the antagonistic activity against pathogenic bacteria and resistance to low pH and bile salts, strain T40 had the highest probiotic potential. A 16S rRNA technique was used to identify strain T40 as Lacticaseibacillus paracasei (renamed from Lactobacillus paracasei in April 2020). This strain had no resistance to ampicillin, gentamicin, erythromycin, and tetracycline. The antagonistic activity was evaluated in situ (fresh cheese) against pathogenic bacteria, supporting the probiotic potential of L. paracasei. Isolates of this LAB recovered from Tenate cheese had characteristics of a probiotic microorganism with high potential for use in food technology. HIGHLIGHTS
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Affiliation(s)
- Reyna N Falfán-Cortés
- Universidad Autónoma del Estado de Hidalgo (UAEH), Instituto de Ciencias Básicas e Ingenieria (ICBI), Carr. Pachuca-Tulancingo Km 4.5, Mineral de la Reforma, C.P. 42184, Hidalgo, México.,Catedratica, CONACYT; UAEH, ICBI Carr. Pachuca-Tulancingo Km 4.5, Mineral de la Reforma, C.P. 42184, Hidalgo, México
| | - Nancy Mora-Peñaflor
- UAEH, Instituto de Ciencias Agropecuarias, Rancho Universitario Av. Universidad Km 1 Ex-Hda. De Aquetzalpa AP 32, Tulancingo, Hgo, México
| | - Carlos A Gómez-Aldapa
- Universidad Autónoma del Estado de Hidalgo (UAEH), Instituto de Ciencias Básicas e Ingenieria (ICBI), Carr. Pachuca-Tulancingo Km 4.5, Mineral de la Reforma, C.P. 42184, Hidalgo, México
| | - Esmeralda Rangel-Vargas
- Universidad Autónoma del Estado de Hidalgo (UAEH), Instituto de Ciencias Básicas e Ingenieria (ICBI), Carr. Pachuca-Tulancingo Km 4.5, Mineral de la Reforma, C.P. 42184, Hidalgo, México
| | - Otilio A Acevedo-Sandoval
- Universidad Autónoma del Estado de Hidalgo (UAEH), Instituto de Ciencias Básicas e Ingenieria (ICBI), Carr. Pachuca-Tulancingo Km 4.5, Mineral de la Reforma, C.P. 42184, Hidalgo, México
| | - Melitón J Franco-Fernández
- UAEH, Instituto de Ciencias Agropecuarias, Rancho Universitario Av. Universidad Km 1 Ex-Hda. De Aquetzalpa AP 32, Tulancingo, Hgo, México
| | - Javier Castro-Rosas
- Universidad Autónoma del Estado de Hidalgo (UAEH), Instituto de Ciencias Básicas e Ingenieria (ICBI), Carr. Pachuca-Tulancingo Km 4.5, Mineral de la Reforma, C.P. 42184, Hidalgo, México
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Fadare O, Singh V, Enabulele O, Shittu O, Pradhan D. In vitro evaluation of the synbiotic effect of probiotic Lactobacillus strains and garlic extract against Salmonella species. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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23
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Islam MZ, Uddin ME, Rahman MT, Islam MA, Harun-ur-Rashid M. Isolation and characterization of dominant lactic acid bacteria from raw goat milk: Assessment of probiotic potential and technological properties. Small Rumin Res 2021. [DOI: 10.1016/j.smallrumres.2021.106532] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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24
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Diversity and potential function of bacterial communities during milk fermentation of Kazak artisanal cheese. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.11.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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25
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Viability, Storage Stabilityand In Vitro Gastrointestinal Tolerance of Lactiplantibacillus plantarum Grown in Model Sugar Systems with Inulin and Fructooligosaccharide Supplementation. FERMENTATION 2021. [DOI: 10.3390/fermentation7040259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
This study aims to investigate the effects of inulin and fructooligosaccharides (FOS) supplementation on the viability, storage stability, and in vitro gastrointestinal tolerance of Lactiplantibacillus plantarum in different sugar systems using 24 h growth and 10 days survival studies at 37 °C, inulin, and FOS (0%, 0.5%, 1%, 2%, 3% and 4%) supplementation in 2%, 3%, and 4% glucose, fructose, lactose, and sucrose systems. Based on the highest percentage increase in growth index, sucrose and lactose were more suitable sugar substrates for inulin and FOS supplementation. In survival studies, based on cell viability, inulin supplementation showed a better protective effect than FOS in 3% and 4% sucrose and lactose systems. Four selected sucrose and lactose systems supplemented with inulin and FOS were used in a 12-week storage stability study at 4 °C. Inulin (3%, 4%) and FOS (2%, 4%) supplementation in sucrose and lactose systems greatly enhanced the refrigerated storage stability of L. plantarum. In the gastrointestinal tolerance study, an increase in the bacterial survival rate (%) showed that the supplementation of FOS in lactose and sucrose systems improved the storage viability of L. plantarum. Both inulin and FOS supplementation in sucrose and lactose systems improved the hydrophobicity, auto-aggregation, co-aggregation ability of L. plantarum with Escherichia coli and Enterococcus faecalis.
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26
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Sharifudin SA, Ho WY, Yeap SK, Abdullah R, Koh SP. Fermentation and characterisation of potential kombucha cultures on papaya-based substrates. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.112060] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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27
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Zhang Q, Wang J, Sun Q, Zhang SM, Sun XY, Li CY, Zheng MX, Xiang WL, Tang J. Characterization and Antioxidant Activity of Released Exopolysaccharide from Potential Probiotic Leuconostoc mesenteroides LM187. J Microbiol Biotechnol 2021; 31:1144-1153. [PMID: 34226411 PMCID: PMC9705892 DOI: 10.4014/jmb.2103.03055] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/06/2021] [Accepted: 06/08/2021] [Indexed: 12/15/2022]
Abstract
A released exopolysaccharide (rEPS)-producing strain (LM187) with good acid resistance, bile salt resistance, and cholesterol-lowering properties was isolated from Sichuan paocai and identified as Leuconostoc mesenteroides subsp. mesenteroides. The purified rEPS, designated as rEPS414, had a uniform molecular weight of 7.757 × 105 Da. Analysis of the monosaccharide composition revealed that the molecule was mainly composed of glucose. The Fourier transform-infrared spectrum showed that rEPS414 contained both α-type and β-type glycosidic bonds. 1H and 13C nuclear magnetic resonance spectra analysis showed that the purified rEPS contained arabinose, galactose, and rhamnose, but less uronic acid. Scanning electron microscopy demonstrated that the exopolysaccharide displayed a large number of scattered, fluffy, porous cellular network flake structures. In addition, rEPS414 exhibited strong in vitro antioxidant activity. These results showed that strain LM187 and its rEPS are promising probiotics with broad prospects in industry.
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Affiliation(s)
- Qing Zhang
- Key Laboratory of Food Biotechnology, College of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan, P.R. China,Corresponding authors Q. Zhang Phone: +86-28-87720552 Fax: +86-28-87720552 E-mail:
| | - Jie Wang
- Key Laboratory of Food Biotechnology, College of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan, P.R. China
| | - Qing Sun
- Key Laboratory of Food Biotechnology, College of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan, P.R. China
| | - Shu-Ming Zhang
- Key Laboratory of Food Biotechnology, College of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan, P.R. China
| | - Xiang-Yang Sun
- Key Laboratory of Food Biotechnology, College of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan, P.R. China
| | - Chan-Yuan Li
- Key Laboratory of Food Biotechnology, College of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan, P.R. China
| | - Miao-Xin Zheng
- Key Laboratory of Food Biotechnology, College of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan, P.R. China
| | - Wen-Liang Xiang
- Key Laboratory of Food Biotechnology, College of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan, P.R. China
| | - Jie Tang
- Key Laboratory of Food Biotechnology, College of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan, P.R. China,
J. Tang E-mail:
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28
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Oberoi K, Tolun A, Altintas Z, Sharma S. Effect of Alginate-Microencapsulated Hydrogels on the Survival of Lactobacillus rhamnosus under Simulated Gastrointestinal Conditions. Foods 2021; 10:1999. [PMID: 34574109 PMCID: PMC8465150 DOI: 10.3390/foods10091999] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 02/03/2023] Open
Abstract
Thanks to the beneficial properties of probiotic bacteria, there exists an immense demand for their consumption in probiotic foods worldwide. Nevertheless, it is difficult to retain a high number of viable cells in probiotic food products during their storage and gastrointestinal transit. Microencapsulation of probiotic bacteria is an effective way of enhancing probiotic viability by limiting cell exposure to extreme conditions via the gastrointestinal tract before releasing them into the colon. This research aims to develop a new coating material system of microencapsulation to protect probiotic cells from adverse environmental conditions and improve their recovery rates. Hence, Lactobacillus rhamnosus was encapsulated with emulsion/internal gelation techniques in a calcium chloride solution. Alginate-probiotic microbeads were coated with xanthan gum, gum acacia, sodium caseinate, chitosan, starch, and carrageenan to produce various types of microcapsules. The alginate+xanthan microcapsules exhibited the highest encapsulation efficiency (95.13 ± 0.44%); they were simulated in gastric and intestinal juices at pH 3 during 1, 2, and 3 h incubations at 37 °C. The research findings showed a remarkable improvement in the survival rate of microencapsulated probiotics under simulated gastric conditions of up to 83.6 ± 0.89%. The morphology, size, and shape of the microcapsules were analyzed using a scanning electron microscope. For the protection of probiotic bacteria under simulated intestinal conditions; alginate microbeads coated with xanthan gum played an important role, and exhibited a survival rate of 87.3 ± 0.79%, which was around 38% higher than that of the free cells (49.4 ± 06%). Our research findings indicated that alginate+xanthan gum microcapsules have a significant potential to deliver large numbers of probiotic cells to the intestines, where cells can be released and colonized for the consumer's benefit.
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Affiliation(s)
- Khyati Oberoi
- School of Bioengineering and Food Technology, Shoolini University, Solan 173229, India;
| | - Aysu Tolun
- Food Engineering, Ankara University, Ankara 06110, Turkey;
| | - Zeynep Altintas
- Institute of Chemistry, Technical University of Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Somesh Sharma
- School of Bioengineering and Food Technology, Shoolini University, Solan 173229, India;
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29
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Parlindungan E, Lugli GA, Ventura M, van Sinderen D, Mahony J. Lactic Acid Bacteria Diversity and Characterization of Probiotic Candidates in Fermented Meats. Foods 2021; 10:1519. [PMID: 34359389 PMCID: PMC8305854 DOI: 10.3390/foods10071519] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/24/2021] [Accepted: 06/28/2021] [Indexed: 12/28/2022] Open
Abstract
Probiotics are defined as live microorganisms which confer health benefits to the host when administered in adequate amounts. Many lactic acid bacteria (LAB) strains have been classified as probiotics and fermented foods are an excellent source of such LAB. In this study, novel probiotic candidates from two fermented meats (pancetta and prosciutto) were isolated and characterized. LAB populations present in pancetta and prosciutto were evaluated and Lactiplantibacillus plantarum was found to be the dominant species. The antagonistic ability of selected isolates against LAB and non-LAB strains was investigated, in particular, the ability to produce anti-microbial compounds including organic acids and bacteriocins. Probiotic characteristics including antibiotic susceptibility, hydrophobicity and autoaggregation capacity; and ability to withstand simulated gastric juice, bile salt, phenol and NaCl were assessed. Among the characterized strains, L. plantarum 41G isolated from prosciutto was identified as the most robust probiotic candidate compared. Results from this study demonstrate that artisanal fermented meat is a rich source of novel strains with probiotic potential.
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Affiliation(s)
- Elvina Parlindungan
- School of Microbiology & APC Microbiome Ireland, University College Cork, Western Road, T12 YT20 Cork, Ireland;
| | - Gabriele A. Lugli
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, 43121 Parma, Italy; (G.A.L.); (M.V.)
| | - Marco Ventura
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, 43121 Parma, Italy; (G.A.L.); (M.V.)
| | - Douwe van Sinderen
- School of Microbiology & APC Microbiome Ireland, University College Cork, Western Road, T12 YT20 Cork, Ireland;
| | - Jennifer Mahony
- School of Microbiology & APC Microbiome Ireland, University College Cork, Western Road, T12 YT20 Cork, Ireland;
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30
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Govindaraj K, Samayanpaulraj V, Narayanadoss V, Uthandakalaipandian R. Isolation of Lactic Acid Bacteria from Intestine of Freshwater Fishes and Elucidation of Probiotic Potential for Aquaculture Application. Probiotics Antimicrob Proteins 2021; 13:1598-1610. [PMID: 34164781 DOI: 10.1007/s12602-021-09811-6] [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: 06/09/2021] [Indexed: 11/30/2022]
Abstract
Probiotics play significant roles in enhancing systemic immunity, improving intestinal balance and feed value, enhancing enzymatic digestion, and inhibiting pathogenic microorganisms of freshwater fish. Probiotics from an identical organism's gastrointestinal system promote effective colonization and provide greater benefits than other sources. This study aimed to evaluate the usefulness of probiotic bacteria isolated from the intestines of freshwater fishes for a dietary supplement of freshwater aquaculture. A total of 120 isolates were collected from freshwater fishes of Channa striata, Puntius filamentosus, Oreochromis mossambicus, Cirrhinus mrigala, and Rasbora daniconius. Seven of these isolates exhibited antagonistic activity against fish pathogens: Aeromonas hydrophila, Staphylococcus epidermidis, Staphylococcus aureus, Bacillus cereus, Escherichia coli, and Pseudomonas aeruginosa. Using 16S rRNA gene sequencing analysis, the isolates were identified as Enterococcus sp., Lactococcus lactis, Weissella cibaria, and Limosilactobacillus fermentum. Of these tolerates, L. fermentum URLP18 isolated from C. mrigala exhibited high tolerance to low acidic (pH 2.0) and high bile salt (2%) concentrations, exhibiting a significant hydrophobicity and extracellular enzyme secretions like amylase, protease, and lipase. In vitro evaluations on intestinal mucus indicate that L. fermentum URLP18 have strong adherence capacity, and its survival rate increased after being administered to Artemia nauplii. The results suggest that L. fermentum URLP18 has high probiotic potential and is an effective dietary supplement for freshwater aquaculture.
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Affiliation(s)
- Krishnaveni Govindaraj
- Department of Molecular Biology, School of Biological Sciences, Madurai Kamaraj University, Tamil Nadu, Madurai, 625 021, India
| | - Vignesh Samayanpaulraj
- Department of Molecular Biology, School of Biological Sciences, Madurai Kamaraj University, Tamil Nadu, Madurai, 625 021, India
| | - Vidhyalakshmi Narayanadoss
- Department of Molecular Biology, School of Biological Sciences, Madurai Kamaraj University, Tamil Nadu, Madurai, 625 021, India
| | - Ramesh Uthandakalaipandian
- Department of Molecular Biology, School of Biological Sciences, Madurai Kamaraj University, Tamil Nadu, Madurai, 625 021, India.
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31
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Singh SS, Akhtar MN, Sharma D, Mandal SM, Korpole S. Characterization of Iturin V, a Novel Antimicrobial Lipopeptide from a Potential Probiotic Strain Lactobacillus sp. M31. Probiotics Antimicrob Proteins 2021; 13:1766-1779. [PMID: 33987819 DOI: 10.1007/s12602-021-09796-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/06/2021] [Indexed: 10/21/2022]
Abstract
Members of lactic acid bacteria group are known to produce various antimicrobial substances. Cyclic lipopeptides are one such potent class of amphipathic natural biosurfactants that exhibit bactericidal and immunomodulatory properties. In this study, we aimed to investigate antimicrobial and immunomodulatory activities of a lipopeptide secreted by a LAB isolate strain M31 identified as a member of the genus Lactobacillus. The lipopeptide that was purified using a combination of chromatographic techniques and matrix-assisted laser desorption/ionization-time of flight of pure lipopeptide displayed a molecular weight of 1002 Da. MS/MS analysis confirmed the presence of 7 amino acids (Asp-Tyr-Asp-Val-Pro-Asp-Ser) and a C13 beta-hydroxy fatty acid. The amino acid composition assigned lipopeptide to iturin class. However, the replacement of Gln with Val revealed it to represent a novel iturin named as iturin V. Iturin V showed antibacterial activity and did not cause hemolysis or cytotoxicity upto 125 µg/mL. It induced secretion of pro-inflammatory cytokines TNF-alpha and IL-12 in murine dendritic cells. Probiotic features of strain M31 coupled with notable activity of iturin V against species of the genera Pseudomonas and Vibrio suggest that strain M31 has potential application for pathogen intervention treatments in processing of aquatic food products.
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Affiliation(s)
| | | | - Deepika Sharma
- CSIR-Institute of Microbial Technology, Chandigarh, India
| | | | - Suresh Korpole
- CSIR-Institute of Microbial Technology, Chandigarh, India.
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32
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Li X, Hu D, Tian Y, Song Y, Hou Y, Sun L, Zhang Y, Man C, Zhang W, Jiang Y. Protective effects of a novel Lactobacillus rhamnosus strain with probiotic characteristics against lipopolysaccharide-induced intestinal inflammation in vitro and in vivo. Food Funct 2021; 11:5799-5814. [PMID: 32568317 DOI: 10.1039/d0fo00308e] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Lipopolysaccharides (LPS), a main component of the Gram-negative bacterial cell wall, can damage the epithelial wall barrier and induce chronic intestinal inflammation. The purpose of this study is to evaluate whether the novel L. rhamnosus could alleviate intestinal inflammation and damage induced by LPS and explore the possible underlying molecular mechanism. L. rhamnosus JL-1 was selected from five L. rhamnosus strains due to its strong adherence capacity to Caco-2 cells (92.89%) and it could survive in simulated gastrointestinal juices. Whole genome sequencing analysis showed that there were no translocation and inversion regions in the genome of L. rhamnosus JL-1 compared with L. rhamnosus GG. Comparative genomic analysis showed that there were encoding genes related to adhesion, acid resistance and bile salt resistance in the genome of L. rhamnosus JL-1. Both in vitro and in vivo experiments indicated that LPS challenge inhibited the mRNA and protein expression of pro-inflammatory cytokines (TNF-α, IL-1β and IL-6). However, the mRNA and protein expressions of pro-inflammatory cytokines were inhibited by pre-treatment with L. rhamnosus JL-1 in a dose-dependent manner. The result of histopathology analysis of ileum showed that oral administration of L. rhamnosus JL-1 reduced pathological damage induced by LPS. Furthermore, it was revealed that L. rhamnosus JL-1 could inhibit the mRNA and protein expressions of TLR4 and NF-κB. These results strongly suggested that L. rhamnosus JL-1 relieved LPS-induced intestinal inflammation by inhibiting the TLR4/NF-κB signaling pathway. To sum up, L. rhamnosus JL-1 has a potential probiotic function and plays an important role in preventing LPS-induced intestinal inflammation and damage.
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Affiliation(s)
- Xuesong Li
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Dong Hu
- Institute of Genetics and Physiology, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050051, China
| | - Yazhen Tian
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Yang Song
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Yichao Hou
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Linlin Sun
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Yu Zhang
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Chaoxin Man
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Wei Zhang
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Yujun Jiang
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin, 150030, China.
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33
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Levante A, Bertani G, Bottari B, Bernini V, Lazzi C, Gatti M, Neviani E. How new molecular approaches have contributed to shedding light on microbial dynamics in Parmigiano Reggiano cheese. Curr Opin Food Sci 2021. [DOI: 10.1016/j.cofs.2020.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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34
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Huang L, Goda HA, Abdel-Hamid M, Renye Jr JA, Yang P, Huang Z, Zeng QK, Li L. Partial characterization of probiotic lactic acid bacteria isolated from Chinese dairy products. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2021. [DOI: 10.1080/10942912.2021.1900233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Li Huang
- Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - Hanan A. Goda
- Agricultural Microbiology Department, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Mahmoud Abdel-Hamid
- Dairy Science Department, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - John A. Renye Jr
- United States Department of Agriculture, Dairy and Functional Foods Research Unit, Eastern Regional Research Center, Agricultural Research Service, Wyndmoor, USA
| | - Pan Yang
- Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - Zizhen Huang
- Guangxi Buffalo Milk Quality and Safety Control Technology Engineering Research Center, Nanning, China
| | - Qing-Kun Zeng
- Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - Ling Li
- Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
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35
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Xu H, Wu L, Pan D, Zeng X, Cai Z, Guo Y, Wang W, Wu Z. Adhesion Characteristics and Dual Transcriptomic and Proteomic Analysis of Lactobacillus reuteri SH23 upon Gastrointestinal Fluid Stress. J Proteome Res 2021; 20:2447-2457. [PMID: 33705137 DOI: 10.1021/acs.jproteome.0c00933] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The ability to survive in the harsh gastrointestinal tract (GIT) environment is essential for Lactobacillus reuteri (L. reuteri) exhibiting beneficial effects. In this study, we found that the hydrophobicity and auto-aggregation of L. reuteri SH23 were significantly decreased and biofilm production was also significantly decreased when L. reuteri SH23 passes through the simulated GIT. Furthermore, according to the comparative transcriptome analysis, gene expression involved in the cell envelope, metabolic processes, common stress response, regulatory systems, and transporters were also affected. Meanwhile, label-free quantitative proteomics was used to identify the differential expression of surface proteins of L. reuteri in response to simulated gastrointestinal fluid. Proteins related to the ABC transporters (Lreu_0517, Lreu_0098, and Lreu_0296) and LPxTG anchor domain proteins were upregulated in the cell surface after gastrointestinal fluid treatment, which is useful for adherence and colonization of L. reuteri in the GIT. Additionally, the recombinant Mub protein could also enhance the survival ability of L. reuteri SH23 in GIT stress environment. This study provides a comprehensive understanding of the adaptation and adhesion mechanisms of L. reuteri SH23 under the gastrointestinal tract by the transcriptomics and proteomics analysis, and mucus-binding proteins were involved in the adhesion and GIT tolerance process.
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Affiliation(s)
- Hai Xu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Lingyi Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Daodong Pan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P.R. China.,School of Food Science & Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, P.R. China
| | - Xiaoqun Zeng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Zhendong Cai
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Yuxing Guo
- School of Food Science & Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, P.R. China
| | - Weijun Wang
- Zhejiang Yiming Food Company, Wenzhou, Zhejiang 325400, P.R. China
| | - Zhen Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
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36
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Bs S, Thankappan B, Mahendran R, Muthusamy G, Femil Selta DR, Angayarkanni J. Evaluation of GABA Production and Probiotic Activities of Enterococcus faecium BS5. Probiotics Antimicrob Proteins 2021; 13:993-1004. [PMID: 33689135 DOI: 10.1007/s12602-021-09759-7] [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] [Accepted: 02/22/2021] [Indexed: 12/20/2022]
Abstract
Gamma-aminobutyric acid (GABA) is a principal inhibitory neurotransmitter in the central nervous system and is produced by irreversible decarboxylation of glutamate. It possesses several physiological functions such as neurotransmission, diuretic, and tranquilizer effects and also regulates cardiovascular functions such as blood pressure and heart rate in addition to playing a role in the reduction of pain and anxiety. The objective of this study was to evaluate the GABA producing ability and probiotic capability of certain lactic acid bacteria strains isolated from dairy products. Around sixty-four bacterial isolates were collected and screened for their ability to produce GABA from monosodium glutamate, among which nine isolates were able to produce GABA. The most efficient GABA producer was Enterococcus faecium BS5. Further, assessment of several important and desirable probiotic properties showed that Ent. faecium BS5 was resistant to acid stress, bile salt, and antibiotics. Ent. faecium BS5 may potentially be used for large-scale industrial production of GABA and also for functional fermented product development.
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Affiliation(s)
- Sabna Bs
- Department of Microbial Biotechnology, Bharathiar University, Coimbatore, T.N., 641 046, India
| | - Bency Thankappan
- Department of Microbial Biotechnology, Bharathiar University, Coimbatore, T.N., 641 046, India
| | - Ramasamy Mahendran
- Department of Microbial Biotechnology, Bharathiar University, Coimbatore, T.N., 641 046, India
| | - Gayathri Muthusamy
- Department of Microbial Biotechnology, Bharathiar University, Coimbatore, T.N., 641 046, India
| | | | - Jayaraman Angayarkanni
- Department of Microbial Biotechnology, Bharathiar University, Coimbatore, T.N., 641 046, India.
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37
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Kim S, Hong SP, Lim SD. Physiological Characteristics and Anti-Diabetic Effect of Pediococcus pentosaceus KI62. Food Sci Anim Resour 2021; 41:274-287. [PMID: 33987548 PMCID: PMC8115008 DOI: 10.5851/kosfa.2020.e99] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/29/2020] [Accepted: 12/11/2020] [Indexed: 11/06/2022] Open
Abstract
The purpose of this study is to examine the physiological characteristics and anti-diabetic effects of Pediococcus pentosaceus KI62. The α-amylase and α-glucosidase inhibitory activity of P. pentosaceus KI62 was 94.86±3.30% and 98.59±0.52%, respectively. In MRS broth containing 3% maltodextrin inoculated by P. pentosaceus KI62, the amounts of short chain fatty acids (SCFA) were propionic acid 18.05±1.85 mg/kg, acetic acid 1.12±0.07 g/100 mL, and butyric acid 2.19±0.061 g/kg, and those of medium chain fatty acids (MCFA) were C8 0.262±0.031 mg/kg, C10 0.279±0.021 mg/kg, and C12 0.203±0.009 mg/kg. Compared to sixteen antibiotics, P. pentosaceus KI62 had the highest sensitivity to penicillin-G and rifampicin, as well as the highest resistance to vancomycin and ampicillin. The strain also showed higher leucine arylamidase and valine arylamidase activities than other enzyme activities, but it did not produce β-glucuronidase which is carcinogenic enzymes. The survival rate of P. pentosaceus KI62 in 0.3% bile was 91.67%. Moreover, the strain showed a 98.63% survival rate in pH 2.0. P. pentosaceus KI62 exhibits resistance to Escherichia coli, Salmonella Typhimurium, Listeria monocytogenes, and Staphylococcus aureus at rates of 29.41%, 38.10%, 51.72%, and 50.47%, respectively. P. pentosaceus (23.31%) showed a similar adhesion ability to L. rhamnosus GG, the positive control (24.49%). These results show that P. pentosaceus KI62 has possibility as a probiotic with anti-diabetic effects.
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Affiliation(s)
- Seulki Kim
- Korea Food Research
Institute, Wanju 55365, Korea
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Probiotic Properties of Lactobacillus helveticus and Lactobacillus plantarum Isolated from Traditional Pakistani Yoghurt. BIOMED RESEARCH INTERNATIONAL 2021; 2020:8889198. [PMID: 33426082 PMCID: PMC7775145 DOI: 10.1155/2020/8889198] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 11/26/2020] [Accepted: 12/07/2020] [Indexed: 12/31/2022]
Abstract
Probiotic bacteria are of utmost importance owing to their extensive utilisation in dairy products and in the prevention of various intestinal diseases. The objective of this study was to assess the probiotic properties of bacteriocin-producing isolates of Lactobacillus helveticus and Lactobacillus plantarum isolated from traditional Pakistani yoghurt. In this study, ten bacteriocin-producing isolates were selected to screen for the probiotic property. The isolates showed resistance to acidic pH (6-6.5), bile salt (0.01-1%), and 1-7% NaCl salt and showed good growth at acidic pH and antibacterial activity against ten different foodborne pathogens. Interestingly, these isolates were proved to be effective against Actinobacter baumannii but least effective against Klebsiella pneumoniae and Pseudomonas aeruginosa. A few isolates were found to be resistant to some antibiotics like vancomycim, gentamycin, erythromycin, streptomycin, and clindamycin. Our results provide strong evidence in favour of traditional Pakistani yoghurts as a potential source of bacteriocin-producing bacteria with an added benefit of the probiotic property. Specifically, LBh5 was considered a good probiotic isolate as compared to other isolates used in the study. Further extensive research should be done on isolation and characterisation of probiotic isolates from local fermented foods, and then, these isolates should be used in the development of probiotic enriched food supplements in Pakistan.
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Azizi T, Daneshyar M, Allymehr M, Tukmechi A, Behroozyar HK, Jalali AS. Effect of a probiotic (Lactobacillus sp.), yeast (Saccharomyces cerevisiae) and mycotoxin detoxifier alone or in combination on performance, immune response and serum biochemical parameters in broilers fed deoxynivalenol-contaminated diets. ANIMAL PRODUCTION SCIENCE 2021. [DOI: 10.1071/an19728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Context
Deoxynivalenol (DON) contamination of feedstuffs causes detrimental effects on animals and poultry. Dietary inclusion of microbial feed additives, such as probiotics and/or yeast, seems to be a useful approach for DON detoxification and reducing the toxin absorption from the gut.
Aims
This study was conducted to evaluate the synergetic effects of a probiotic (Lactobacillus spp.), yeast (Saccharomyces cerevisiae) and mycotoxin detoxifier on performance, serum chemical parameters and immune status of broiler chickens fed a DON-contaminated diet.
Methods
A total of 200 1-day-old female broilers (Hubbard®) were allocated to five dietary treatments with four replicates each in a completely randomised design. Experimental diets consisted of: (1) control diet (basal diet), (2) DON diet (basal diet contaminated with 10 mg/kg DON), (3) DON diet supplemented with 0.25% mycotoxin detoxifier (Mycofix® Plus), (4) DON diet supplemented with a combination of 0.4 g/kg probiotic and 1.5 g/kg yeast, and (5) DON diet supplemented with a combination of a probiotic, yeast and mycotoxin detoxifier.
Key results
The results showed that the DON diet significantly increased the feed conversion ratio compared with mycotoxin detoxifier and control diets. Administration of 0.4 g/kg probiotic along with 1.5 g/kg yeast to a DON-contaminated diet caused a significant enhancement of dressing percentage, leg relative weight and aspartate aminotransferase enzyme activity. The DON-contaminated diet reduced total protein, albumin, triglyceride and cholesterol concentrations, but consumption of a probiotic, yeast and mycotoxin detoxifier improved the levels of these parameters. The DON-treated birds showed a reduction in haematocrit, haemoglobin, red blood cells and blood lymphocyte percentage in comparison with control levels. The inclusion of a combination of a probiotic and yeast along with mycotoxin detoxifier diminished the increased heterophil: lymphocyte ratio by DON administration. The antibody titre against Newcastle disease virus vaccine increased by inclusion of a probiotic, yeast and Mycofix.
Conclusions
In summary, a combination of a probiotic and yeast along with mycotoxin detoxifier can improve the enzyme activity, immunity and haematological attributes, which are useful for DON-contaminated diet detoxification.
Implications
Dietary supplementation with a probiotic, yeast and mycotoxin detoxifier could be used as an alternative to detoxification DON in broiler chickens.
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Toy JYH, Lu Y, Huang D, Matsumura K, Liu SQ. Enzymatic treatment, unfermented and fermented fruit-based products: current state of knowledge. Crit Rev Food Sci Nutr 2020; 62:1890-1911. [PMID: 33249876 DOI: 10.1080/10408398.2020.1848788] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In recent years, food manufacturers are increasingly utilizing enzymes in the production of fruit-based (unfermented and fermented) products to increase yield and maximize product quality in a cost-effective manner. Depending on the fruits and desired product characteristics, different enzymes (e.g. pectinase, cellulase, hemicellulase, amylase, and protease) are used alone or in combinations to achieve optimized processing conditions and improve nutritional and sensorial quality. In this review, the mechanisms of action and sources of different enzymes, as well as their effects on the physicochemical, nutritional, and organoleptic properties of unfermented and fermented fruit-based products are summarized and discussed, respectively. In general, the application of enzymatic hydrolysis treatment (EHT) in unfermented fruit-based product helps to achieve four main purposes: (i) viscosity reduction (easy to filter), (ii) clarification (improved appearance/clarity), (iii) better nutritional quality (increase in polyphenolics) and (iv) enhanced organoleptic characteristic (brighter color and complex aroma profile). In addition, EHT provides numerous other advantages to fermented fruit-based products such as better fermentation efficiency and enrichment in aroma. To meet the demand for new market trends, researchers and manufacturers are increasingly employing non-Saccharomyces yeast (with enzymatic activities) alone or in tandem with Saccharomyces cerevisiae to produce complex flavor profile in fermented fruit-based products. Therefore, this review also evaluates the potential of some non-Saccharomyces yeasts with enzymatic activities and how their utilization helps to tailor wines with unique aroma profile. Lastly, in view of an increase in lactose-intolerant individuals, the potential of fermented probiotic fruit juice as an alternative to dairy-based probiotic products is discussed.
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Affiliation(s)
- Joanne Yi Hui Toy
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore
| | - Yuyun Lu
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore
| | - Dejian Huang
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore.,National University of Singapore (Suzhou) Research Institute, Jiangsu, China
| | - Keisuke Matsumura
- Product and Technology Development Department, Nippon Del Monte Corporation, Numata, Gunma, Japan.,Kikkoman Singapore R&D Laboratory Pte Ltd, Singapore, Singapore
| | - Shao-Quan Liu
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore.,National University of Singapore (Suzhou) Research Institute, Jiangsu, China
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Storage stability and in vitro digestion of microencapsulated powder containing fermented noni juice and probiotics. FOOD BIOSCI 2020. [DOI: 10.1016/j.fbio.2020.100740] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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42
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Huang D, Yang B, Chen Y, Stanton C, Ross RP, Zhao J, Zhang H, Chen W. Comparative genomic analyses of Lactobacillus rhamnosus isolated from Chinese subjects. FOOD BIOSCI 2020. [DOI: 10.1016/j.fbio.2020.100659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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43
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Najjari A, Boumaiza M, Jaballah S, Boudabous A, Ouzari H. Application of isolated Lactobacillus sakei and Staphylococcus xylosus strains as a probiotic starter culture during the industrial manufacture of Tunisian dry-fermented sausages. Food Sci Nutr 2020; 8:4172-4184. [PMID: 32884698 PMCID: PMC7455971 DOI: 10.1002/fsn3.1711] [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: 03/26/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 12/13/2022] Open
Abstract
For decades, lactic acid bacteria has been isolated and selected to be used as starter cultures in meat fermentation for standardization and management of quality of dry-fermented sausage which constitute a considerable challenge. The aim of this study was to evaluate the effect of Lactobacillus sakei strains, isolated from different origins, on qualities of dry-fermented sausages. These last, manufactured with different combinations of starter cultures (L. sakei + Staphylococcus xylosus), were ripened, using the same raw materials and conditions, for 45 days. Samples were collected during this period, and microbiological, physicochemical, fatty acid profile, and sensorial analyses determined. Lactic acid bacteria were the dominant flora during ripening. A desirable PUFA/SFA ratio, corresponding to 1:1.7 (0.6), was detected after 24 days of maturation in sausages inoculated by L. sakei BMG 95 and S. xylosus. Sensory analysis showed that fermented sausages manufactured with L. sakei and S. xylosus had a more desirable odor, flavor, and texture and consequently were preferred overall. In particular, sensory panellists preferred sausages produced with either L. sakei 23K or L. sakei BMG 95 when compared to fermented sausage produced with a commercial starter or no starter at all.
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Affiliation(s)
- Afef Najjari
- Faculté des Sciences de TunisLR03ES03 Microorganismes et Biomolécules ActivesUniversité de Tunis El ManarTunisTunisia
| | - Mohamed Boumaiza
- Faculté des Sciences de TunisLR03ES03 Microorganismes et Biomolécules ActivesUniversité de Tunis El ManarTunisTunisia
| | - Sana Jaballah
- Faculté des Sciences de TunisLR03ES03 Microorganismes et Biomolécules ActivesUniversité de Tunis El ManarTunisTunisia
| | - Abdelatif Boudabous
- Faculté des Sciences de TunisLR03ES03 Microorganismes et Biomolécules ActivesUniversité de Tunis El ManarTunisTunisia
| | - Hadda‐Imene Ouzari
- Faculté des Sciences de TunisLR03ES03 Microorganismes et Biomolécules ActivesUniversité de Tunis El ManarTunisTunisia
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Amaranth Meal and Environmental Carnobacterium maltaromaticum Probiotic Bacteria as Novel Stabilizers of the Microbiological Quality of Compound Fish Feeds for Aquaculture. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10155114] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Fish feed should be characterized by microbiological stability to guarantee the optimal health of farmed fish. The aim of this study was to determine the efficacy of amaranth meal (Amaranthus cruentus) and a highly active environmental strain of probiotic bacteria, Carnobacterium maltaromaticum, as novel supplements that stabilize the quantitative and qualitative composition of microbiota in compound fish feeds for aquaculture, regardless of storage temperature. The total viable counts of mesophilic bacteria at 28 °C (TVC 28 °C), hemolytic mesophilic bacteria (Hem 37 °C), Staphylococcus sp. bacteria, aerobic spore-forming bacteria (ASFB), sulfite-reducing anaerobic spore-forming Clostridium sp. bacteria, yeasts, and molds were analyzed in control feed (CF), in feed supplemented with amaranth meal (AF), and in feed supplemented with amaranth meal and C. maltaromaticum (ACF), stored at a temperature of 4 °C and 20 °C for 98 days. Amaranthus cruentus and C. maltaromaticum significantly reduced bacterial counts in fish feeds, regardless of the temperature and duration of storage. The antibacterial and antifungal effects of the tested additives were statistically significant (p ≤ 0.05). The studied novel supplements contribute to the microbiological safety of compound fish feeds. The tested additives could be recognized as the key ingredients of organic, environmentally friendly fish feeds, which guarantee the high quality of fish intended for human consumption.
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45
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Mugampoza D, Gkatzionis K, Swift BMC, Rees CED, Dodd CER. Diversity of Lactobacillus Species of Stilton Cheese Relates to Site of Isolation. Front Microbiol 2020; 11:904. [PMID: 32477308 PMCID: PMC7236593 DOI: 10.3389/fmicb.2020.00904] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 04/16/2020] [Indexed: 11/15/2022] Open
Abstract
This study has characterized the dominant non-starter Lactobacillus species isolated from different sites in a Stilton cheese to establish its diversity, stress-tolerance, anti-microbial activity and potential contribution to quality of cheese. Fifty-nine Lactobacillus isolates were cultured from the outer crust, blue veins and white core of the cheese and were speciated phenotypically and by 16S rDNA sequence analysis. Lactobacillus plantarum was the dominant species detected with only two isolates identified as Lactobacillus brevis. Strains were typed by pulse-field gel electrophoresis (PFGE) using the enzyme NotI to examine their genomic diversity. Cluster analysis of PFGE patterns produced five major clusters which associated isolates with their sites of isolation within the cheese. One L. plantarum isolate from each cheese site was selected and evaluated for salt, acid, relative humidity, and heat tolerance to determine whether stress conditions within the isolation site selected their phenotype. D72°C values were 6, 13, and 17 s for strains from the crust, veins and core, respectively, suggesting strains on the crust may not have been able to survive pasteurization and therefore had been added post-pasteurization. All strains recovered from heat injury within 24–48 h at 4°C. pH values of 3, 3.5, and 4 suppressed growth but strains showed a varying ability to grow at pH 4.5 and 5; isolates from the core (which has the lowest pH) were the most acid-tolerant. All strains grew at 3.5 and 5% salt but were suppressed at 10%; those from the crust (which has a lower water activity) were the most halo-tolerant, growing at 8% salt whereas strains from the core were sensitive to this salt concentration. All 57 L. plantarum isolates were examined for antimicrobial activity and variable activity against Lactobacillus pentosus and other genera was demonstrated; plantaricin EF genes were present in 65% of strains. It was concluded that there are varied phenotypes and genotypes of Lactobacillus in a Stilton cheese according to site of isolation. Occurrence of different L. plantarum genotypes could contribute to variation in the cheese quality from batch to batch and provides criteria for selecting isolates as potential adjunct cultures.
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Affiliation(s)
- Diriisa Mugampoza
- School of Biosciences, University of Nottingham, Nottingham, United Kingdom.,Department of Food Technology, Kyambogo University, Kampala, Uganda
| | - Konstantinos Gkatzionis
- School of Biosciences, University of Nottingham, Nottingham, United Kingdom.,Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Lemnos, Greece
| | - Benjamin M C Swift
- School of Biosciences, University of Nottingham, Nottingham, United Kingdom.,Pathobiology and Population Sciences, Royal Veterinary College, Hertfordshire, United Kingdom
| | - Catherine E D Rees
- School of Biosciences, University of Nottingham, Nottingham, United Kingdom
| | - Christine E R Dodd
- School of Biosciences, University of Nottingham, Nottingham, United Kingdom
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Wang Y, Jiang Y, Deng Y, Yi C, Wang Y, Ding M, Liu J, Jin X, Shen L, He Y, Wu X, Chen X, Sun C, Zheng M, Zhang R, Ye H, An H, Wong A. Probiotic Supplements: Hope or Hype? Front Microbiol 2020; 11:160. [PMID: 32184760 PMCID: PMC7058552 DOI: 10.3389/fmicb.2020.00160] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Accepted: 01/22/2020] [Indexed: 12/17/2022] Open
Abstract
Probiotic bacteria have been associated with various health benefits and included in overwhelming number of foods. Today, probiotic supplements are consumed with increasing regularity and record a rapidly growing economic value. With billions of heterogeneous populations of probiotics per serving, probiotic supplements contain the largest quantity of probiotics across all functional foods. They often carry antibiotic-resistant determinants that can be transferred to and accumulate in resident bacteria of the gastrointestinal tract and risk their acquisitions by opportunistic pathogens. While the health benefits of probiotics have been widely publicized, this health risk, however, is underrepresented in both scientific studies and public awareness. On the other hand, the human gut presents conditions that are unfavorable for bacteria, including probiotics. It remains uncertain if probiotics from supplements can tolerate acids and bile salts that may undermine their effectiveness in conferring health benefits. Here, we put into perspective the perceived health benefits and the long-term safety of consuming probiotic supplements, specifically bringing intolerance to acids and bile salts, and the long-standing issue of antibiotic-resistant gene transfer into sharp focus. We report that probiotics from supplements examined in this study have poor tolerance to acids and bile salts while also displaying resistance to multiple antibiotics. They could also adapt and gain resistance to streptomycin in vitro. In an environment where consuming supplements is considered a norm, our results and that of others will put in perspective the persisting concerns surrounding probiotic supplements so that the current hype does not overpower the hope.
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Affiliation(s)
- Yuxuan Wang
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Yinyin Jiang
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Yuxin Deng
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Chen Yi
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Yangcan Wang
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Mengnan Ding
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Jie Liu
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Xuanjing Jin
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Lishan Shen
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Yue He
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Xinyun Wu
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Xuefei Chen
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Changyi Sun
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Min Zheng
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Ruijia Zhang
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Hailv Ye
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Huiting An
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Aloysius Wong
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
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Cozzolino A, Vergalito F, Tremonte P, Iorizzo M, Lombardi SJ, Sorrentino E, Luongo D, Coppola R, Di Marco R, Succi M. Preliminary Evaluation of the Safety and Probiotic Potential of Akkermansia muciniphila DSM 22959 in Comparison with Lactobacillus rhamnosus GG. Microorganisms 2020; 8:E189. [PMID: 32019075 PMCID: PMC7074805 DOI: 10.3390/microorganisms8020189] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 01/27/2020] [Accepted: 01/28/2020] [Indexed: 12/17/2022] Open
Abstract
In this study, for the first time, we examined some of the physico-chemical properties of the cell surface of Akkermansiamuciniphila DSM 22959, comparing it with those of Lactobacillusrhamnosus GG-one of the most extensively studied probiotic microorganisms. In particular, hydrophobicity, auto-aggregation, co-aggregation, and biofilm formation were investigated. In addition, antibiotic susceptibility, co-culture, and antimicrobial activity of the two strains were compared. Hydrophobicity was evaluated using xylene and toluene, showing that A. muciniphila DSM 22959 possessed moderate hydrophobicity. A. muciniphila showed a faster and higher auto-aggregation ability than Lb. rhamnosus GG, but a lower aptitude in biofilm formation. In the co-aggregation test, the best performance was obtained by Lb. rhamnosus GG. Regarding the susceptibility to antibiotics, the differences between the two strains were remarkable, with A. muciniphila DSM 22959 showing resistance to half of the antibiotic tested. Interesting results were also obtained with regard to the stimulating effect of Lb. rhamnosus GG on the growth of A. muciniphila when co-cultured.
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Affiliation(s)
- Autilia Cozzolino
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (A.C.); (F.V.); (P.T.); (M.I.); (S.J.L.); (R.C.); (M.S.)
| | - Franca Vergalito
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (A.C.); (F.V.); (P.T.); (M.I.); (S.J.L.); (R.C.); (M.S.)
| | - Patrizio Tremonte
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (A.C.); (F.V.); (P.T.); (M.I.); (S.J.L.); (R.C.); (M.S.)
| | - Massimo Iorizzo
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (A.C.); (F.V.); (P.T.); (M.I.); (S.J.L.); (R.C.); (M.S.)
| | - Silvia J. Lombardi
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (A.C.); (F.V.); (P.T.); (M.I.); (S.J.L.); (R.C.); (M.S.)
| | - Elena Sorrentino
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (A.C.); (F.V.); (P.T.); (M.I.); (S.J.L.); (R.C.); (M.S.)
| | - Delia Luongo
- Institute of Biostructure and Bioimaging of the National Research Council (IBB-CNR), Via Mezzocannone 16, 80134 Napoli, Italy;
| | - Raffaele Coppola
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (A.C.); (F.V.); (P.T.); (M.I.); (S.J.L.); (R.C.); (M.S.)
| | - Roberto Di Marco
- Department of Medicine and Health Sciences “Vincenzo Tiberio”, University of Molise, Via De Sanctis, 86100 Campobasso, Italy;
| | - Mariantonietta Succi
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (A.C.); (F.V.); (P.T.); (M.I.); (S.J.L.); (R.C.); (M.S.)
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Isolation and characterization of five novel probiotic strains from Korean infant and children faeces. PLoS One 2019; 14:e0223913. [PMID: 31671118 PMCID: PMC6822945 DOI: 10.1371/journal.pone.0223913] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 10/01/2019] [Indexed: 12/26/2022] Open
Abstract
Probiotics are dietary supplements containing viable, non-pathogenic microorganisms that interact with the gastrointestinal microflora and directly with the immune system. The possible health effects of probiotics include modulating the immune system and exerting antibacterial, anticancer, and anti-mutagenic effects. The purpose of this study was to isolate, identify, and characterize novel strains of probiotics from the faeces of Korean infants. Various assays were conducted to determine the physiological features of candidate probiotic isolates, including Gram staining, 16S rRNA gene sequencing, tolerance assays to stimulated gastric juice and bile salts, adherence ability assays, antibiotic susceptibility testing, and assays of immunomodulatory effects. Based on these morphological and biochemical characteristics, five potential probiotic isolates (Enterococcus faecalis BioE EF71, Lactobacillus fermentum BioE LF11, Lactobacillus plantarum BioE LPL59, Lactobacillus paracasei BioE LP08, and Streptococcus thermophilus BioE ST107) were selected. E. faecalis BioE EF71 and L. plantarum BioE LPL59 showed high tolerance to stimulated gastric juice and bile salts, and S. thermophilus BioE ST107 as well as these two strains exhibited stronger adherence ability than reference strain Lactobacillus rhamnosus GG. All five strains inhibited secretion of lipopolysaccharide-induced pro-inflammatory cytokines IL-6 and TNF-α in RAW264.7 macrophages in vitro. L. fermentum BioE LF11, L. plantarum BioE LPL59, and S. thermophilus BioE ST107 enhanced the production of anti-inflammatory cytokine IL-10. Overall, our findings demonstrate that the five novel strains have potential as safe probiotics and encouraged varying degrees of immunomodulatory effects.
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Functional Characterization of Probiotic Potential of Novel Pigmented Bacterial Strains for Aquaculture Applications. Probiotics Antimicrob Proteins 2019; 11:186-197. [PMID: 29181803 DOI: 10.1007/s12602-017-9353-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The bioprospecting proficient of novel pigmented probiotic strains with respect to aquaculture industry was unexplored hitherto. In this study, we investigated the probiotic potential of novel pigmented bacterial strains isolated from the indigenous soil sediments in their vicinal habitats, which were screened for their antimicrobial activity against aquatic pathogens using agar well diffusion assay. The strains namely Exiguobacterium acetylicum (S01), Aeromonas veronii (V03), and Chryseobacterium joostei (V04) were phenotypically identified and confirmed by 16S rRNA gene sequence analysis. Further characterization revealed that strains S01 and V03 survive relatively in lower pH and higher bile salt concentrations and possess good adherence ability and broad-spectrum antibiotic susceptibility. The isolate S01 exhibited the higher adhesion ability to hydrocarbons (82%) and mannose-specific adhesion (msa) gene expression. Additionally, the probiotic effects were evaluated in Artemia nauplii fed with algae supplemented with S01, V03, and V04 strains (2.7 × 107 cfu/mL) for 3 days under axenic environment. We observed a significant increase (p < 0.05) in the survival rate of Artemia nauplii treated with S01 (83 ± 5%) and V03 (55 ± 5%), whereas the survival rate was only 30 ± 0% in the untreated group. Moreover, the individual length (IL) was increased in treated group S01 (156.7 ± 2.2 μm), V03 (146.1 ± 3.4 μm), and V04 (134.4 ± 2.5 μm) compared with untreated group (116.0 ± 4.8 μm). Our results revealed that E. acetylicum S01 exhibits desirable functional probiotic attributes compared to A. veronii and C. joostei and it would be a promising probiotic strain, which can be efficiently used in the aquaculture applications.
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Arum Dalu KC, Nurhayati N, Jayus J. In Vitro Modulation of Fecal Microflora Growth Using Fermented “Pisang Mas” Banana and Red Guava Juices. CURRENT RESEARCH IN NUTRITION AND FOOD SCIENCE JOURNAL 2019. [DOI: 10.12944/crnfsj.7.2.14] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Probiotic drink like yoghurt from dairy milk is one of the most popular functional food. However, some people are not able to consume dairy milk due to lactose intolerance. Thus, a substitute substrate such as fruit juice, is needed. It refers to prebiotic compounds that are found in some of fruits like banana and guava. The aim of this research was to determine the effect of fermented banana and guava juices on the viability of fecal microflora. The juices were made from banana or red guava fermented by Lactobacillus casei (15% v/v). In vitro test was conducted using indigenous human fecal bacteria (1% w/v). The viability of enteropathogens, lactic acid bacteria (LAB), and total microbes was determined by enumeration as well as the prebiotic index of the fermented juices. The in vitro test results showed that both fermented juices could elevate the total microbes and LAB as compared to control sample. The viability of the total microbes and LAB increased by 2.16 log CFU/mL and 2.90 log CFU/mL for fermented banana juice (FBJ), respectively. The same trend was also observed in fermented guava juice (FGJ) with an increase by 1.92 log CFU/mL for total microbes and 2.99 log CFU/mL for LAB. Interestingly, both fermented juice could decrease the population of most enteropathogens compared to control sample. FBJ could decrease the population of E. coli, Klebsiella sp. and Salmonella as low as 3.78, 3.32, and 1.37 log CFU/mL respectively. Meanwhile, FGJ could drop the number of E. coli (1.44 log CFU/mL), and Klebsiella sp. (1.29 log CFU/mL). Moreover, the prebiotic index for FBJ and FGJ were 2.57 and 2.16. In conclusion, both FBJ and FGJ were potential substrate for probiotic drink and had good effect for fecal microflora health.
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Affiliation(s)
| | - Nurhayati Nurhayati
- Center for Development of Advanced Sciences and Technology, University of Jember, Jember-68121, Indonesia
| | - Jay Jayus
- Department of Agricultural Products Technology, Faculty of Agricultural Technology, University of Jember, Jember-68121, Indonesia
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