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Lu K, Wang X, Zhou Y, Zhu Q. Genomic characterization and probiotic potential assessment of an exopolysaccharide-producing strain Pediococcus pentosaceus LL-07 isolated from fermented meat. BMC Microbiol 2024; 24:142. [PMID: 38664612 PMCID: PMC11044368 DOI: 10.1186/s12866-024-03304-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 04/12/2024] [Indexed: 04/29/2024] Open
Abstract
BACKGROUND The genomic information available for Pediococcus pentosaceus is primarily derived from fermented fruits and vegetables, with less information available from fermented meat. P. pentosaceus LL-07, a strain isolated from fermented meat, has the capability of producing exopolysaccharides (EPS). To assess the probiotic attributes of P. pentosaceus LL-07, we conducted whole-genome sequencing (WGS) using the PacBio SequelIIe and Illumina MiSeq platforms, followed by in vitro experiments to explore its probiotic potential. RESULTS The genome size of P. pentosaceus LL-07 is 1,782,685 bp, comprising a circular chromosome and a circular plasmid. Our investigation revealed the absence of a CRISPR/Cas system. Sugar fermentation experiments demonstrated the characteristics of carbohydrate metabolism. P. pentosaceus LL-07 contains an EPS synthesis gene cluster consisting of 13 genes, which is different from the currently known gene cluster structure. NO genes associated with hemolysis or toxin synthesis were detected. Additionally, eighty-six genes related to antibiotic resistance were identified but not present in the prophage, transposon or plasmid. In vitro experiments demonstrated that P. pentosaceus LL-07 was comparable to the reference strain P. pentosaceus ATCC25745 in terms of tolerance to artificial digestive juice and bile, autoaggregation and antioxidation, and provided corresponding genomic evidence. CONCLUSION This study confirmed the safety and probiotic properties of P. pentosaceus LL-07 via complete genome and phenotype analysis, supporting its characterization as a potential probiotic candidate.
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Affiliation(s)
- Kuan Lu
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), College of Life Sciences/Institute of Agro-Bioengineering, Guizhou University, Guizhou Province, Guiyang, 550025, China
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, School of Liquor and Food Engineering, Guizhou University, Guizhou, Guiyang, 550025, China
| | - Xueya Wang
- Chili Pepper Research Institute, Guizhou Provincial Academy of Agricultural Sciences, Guizhou, Guiyang, 550006, China
| | - Ying Zhou
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, School of Liquor and Food Engineering, Guizhou University, Guizhou, Guiyang, 550025, China
| | - Qiujin Zhu
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), College of Life Sciences/Institute of Agro-Bioengineering, Guizhou University, Guizhou Province, Guiyang, 550025, China.
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, School of Liquor and Food Engineering, Guizhou University, Guizhou, Guiyang, 550025, China.
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2
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Gul S, Durante-Mangoni E. Unraveling the Puzzle: Health Benefits of Probiotics-A Comprehensive Review. J Clin Med 2024; 13:1436. [PMID: 38592298 PMCID: PMC10935031 DOI: 10.3390/jcm13051436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 02/22/2024] [Accepted: 02/27/2024] [Indexed: 04/10/2024] Open
Abstract
A growing number of probiotic-containing products are on the market, and their use is increasing. Probiotics are thought to support the health of the gut microbiota, which in turn might prevent or delay the onset of gastrointestinal tract disorders. Obesity, type 2 diabetes, autism, osteoporosis, and some immunological illnesses are among the conditions that have been shown to possibly benefit from probiotics. In addition to their ability to favorably affect diseases, probiotics represent a defense system enhancing intestinal, nutritional, and oral health. Depending on the type of microbial strain utilized, probiotics can have variable beneficial properties. Although many microbial species are available, the most widely employed ones are lactic acid bacteria and bifidobacteria. The usefulness of these bacteria is dependent on both their origin and their capacity to promote health. Probiotics represent a valuable clinical tool supporting gastrointestinal health, immune system function, and metabolic balance. When used appropriately, probiotics may provide benefits such as a reduced risk of gastrointestinal disorders, enhanced immunity, and improved metabolic health. Most popular probiotics, their health advantages, and their mode of action are the topic of this narrative review article, aimed to provide the reader with a comprehensive reappraisal of this topic matter.
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Affiliation(s)
- Sabiha Gul
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, Via de Crecchio 7, 80138 Napoli, Italy;
| | - Emanuele Durante-Mangoni
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, Via de Crecchio 7, 80138 Napoli, Italy;
- Unit of Infectious & Transplant Medicine, A.O.R.N. Ospedali dei Colli—Ospedale Monaldi, Piazzale Ettore Ruggieri, 80131 Napoli, Italy
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3
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Castro-López C, Pascacio-Villafán C, Aluja M, García HS, González-Córdova AF, Vallejo-Cordoba B, Hernández-Mendoza A. Safety Assessment of the Potential Probiotic Bacterium Limosilactobacillus fermentum J23 Using the Mexican Fruit Fly (Anastrepha ludens Loew, Diptera: Tephritidae) as a Novel In Vivo Model. Probiotics Antimicrob Proteins 2024; 16:233-248. [PMID: 36574190 DOI: 10.1007/s12602-022-10034-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/12/2022] [Indexed: 12/29/2022]
Abstract
Safety assessment of probiotics is difficult but essential. In this work, the Mexican fruit fly, Anastrepha ludens (Loew) (Diptera: Tephritidae), was used as in vivo model to assess the biosafety of Limosilactobacillus fermentum J23. In the first set of experiments, the strain was orally administered to adult flies through direct feeding, whereas in the second set of experiments, it was supplemented through the larval rearing medium. Data showed that L. fermentum J23 did not lead to increased mortality or treatment-related toxicity signs in adult female and male flies. Ingestion of L. fermentum J23 by adult female flies led to a statistically significant improvement in locomotor activity compared to the control groups (ca. 59% decrease in climbing time, p < 0.0001). A positive trend in lifespan extension under stress (maximum lifespan = 144 h) was also observed. When L. fermentum J23 was administered to the larvae, the adult emergence (p = 0.0099), sex ratio (p = 0.0043), and flight ability (p = 0.0009) increased significantly by 7%, 31%, and 8%, respectively, compared to the control diet. No statistical effect between the control diet and the L. fermentum J23-based diet for the number of pupae recovered, pupal weight, duration of the pupal stage, lifespan under stress, and morphological development was observed. We conclude that feeding L. fermentum J23 to the novel experimental model A. ludens had no toxic effects and could be safely considered a potential probiotic for food supplements; however, further studies are still needed to establish its biosafety in humans.
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Affiliation(s)
- Cecilia Castro-López
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. ‒ CIAD, Carretera Gustavo Enrique Astiazarán Rosas 46, Hermosillo, 83304, Sonora, México
| | - Carlos Pascacio-Villafán
- Clúster Científico y Tecnológico BioMimic®, Red de Manejo Biorracional de Plagas y Vectores, Instituto de Ecología A.C. ‒ INECOL, Carretera Antigua a Coatepec 351, Veracruz, 91073, Xalapa, México
| | - Martin Aluja
- Clúster Científico y Tecnológico BioMimic®, Red de Manejo Biorracional de Plagas y Vectores, Instituto de Ecología A.C. ‒ INECOL, Carretera Antigua a Coatepec 351, Veracruz, 91073, Xalapa, México.
| | - Hugo S García
- Unidad de Investigación y Desarrollo de Alimentos, Tecnológico Nacional de México, Instituto Tecnológico de Veracruz, Miguel Ángel de Quevedo 2779, Veracruz, 91897, Veracruz, México
| | - Aarón F González-Córdova
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. ‒ CIAD, Carretera Gustavo Enrique Astiazarán Rosas 46, Hermosillo, 83304, Sonora, México
| | - Belinda Vallejo-Cordoba
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. ‒ CIAD, Carretera Gustavo Enrique Astiazarán Rosas 46, Hermosillo, 83304, Sonora, México
| | - Adrián Hernández-Mendoza
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. ‒ CIAD, Carretera Gustavo Enrique Astiazarán Rosas 46, Hermosillo, 83304, Sonora, México.
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4
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Shaikh SS, Jhala D, Patel A, Chettiar SS, Ghelani A, Malik A, Sengupta P. In-silico analysis of probiotic attributes and safety assessment of probiotic strain Bacillus coagulans BCP92 for human application. Lett Appl Microbiol 2024; 77:ovad145. [PMID: 38148133 DOI: 10.1093/lambio/ovad145] [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: 11/09/2023] [Revised: 12/16/2023] [Accepted: 12/25/2023] [Indexed: 12/28/2023]
Abstract
The whole genome sequence (WGS) of Bacillus coagulans BCP92 is reported along with its genomic analysis of probiotics and safety features. The identification of bacterial strain was carried out using the 16S rDNA sequencing method. Furthermore, gene-related probiotic features, safety assessment (by in vitro and in silico), and genome stability were also studied using the WGS analysis for the possible use of the bacterial strain as a probiotic. From the BLAST analysis, bacterial strain was identified as Bacillus (Heyndrickxia) coagulans. WGS analysis indicated that the genome consists of a 3 475 658 bp and a GC-content of 46.35%. Genome mining of BCP92 revealed that the strain is consist of coding sequences for d-lactate dehydrogenase and l-lactate dehydrogenases, 36 genes involved in fermentation activities, 29 stress-responsive as well as many adhesions related genes. The genome, also possessing genes, is encoded for the synthesis of novel circular bacteriocin. Using an in-silico approach for the bacterial genome study, it was possible to determine that the Bacillus (Heyndrickxia) coagulans strain BCP92 contains genes that are encoded for the probiotic abilities and did not harbour genes that are risk associated, thus confirming the strain's safety and suitability as a probiotic to be used for human application.
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Affiliation(s)
- Sohel S Shaikh
- Pellucid Lifesciences Pvt Ltd, Plot No.:3538, Phase-4, GIDC Industrial Estate, Chhatral, Gandhinagar 382729, India
| | - Devendrasinh Jhala
- Zoology Department, School of Sciences, Gujarat University, Ahmedabad 380009, India
| | - Alpesh Patel
- Genexplore Diagnostics & Research Centre Pvt Ltd, 1201 to 1210, Iconic Shyamal, Shyamal, Ahmedabad 380015, India
| | - Shiva Shankaran Chettiar
- Genexplore Diagnostics & Research Centre Pvt Ltd, 1201 to 1210, Iconic Shyamal, Shyamal, Ahmedabad 380015, India
| | - Anjana Ghelani
- Shree Ramkrishna Institute of Computer Education and Applied Sciences, M.T.B. College Campus, B/h P.T. Science College, Opp. Chowpati, Athwalines, Surat 395001, India
| | - Anis Malik
- Pellucid Lifesciences Pvt Ltd, Plot No.:3538, Phase-4, GIDC Industrial Estate, Chhatral, Gandhinagar 382729, India
| | - Priyajit Sengupta
- Pellucid Lifesciences Pvt Ltd, Plot No.:3538, Phase-4, GIDC Industrial Estate, Chhatral, Gandhinagar 382729, India
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5
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Roldán-Pérez S, Gómez Rodríguez SL, Sepúlveda-Valencia JU, Ruiz Villadiego OS, Márquez Fernández ME, Montoya Campuzano OI, Durango-Zuleta MM. Assessment of probiotic properties of lactic acid bacteria isolated from an artisanal Colombian cheese. Heliyon 2023; 9:e21558. [PMID: 38027952 PMCID: PMC10658276 DOI: 10.1016/j.heliyon.2023.e21558] [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: 05/10/2023] [Revised: 10/18/2023] [Accepted: 10/24/2023] [Indexed: 12/01/2023] Open
Abstract
Lactic Acid Bacteria play an important role in the milk fermentation processes of traditional cheeses and have become an important target for the development of novel cheese cultures because of their ability to confer health benefits. This study aimed to evaluate the probiotic potential of 12 Lactic Acid Bacteria (LAB) strains previously isolated and molecularly identified from an artisanal Colombian Double-Cream Cheese. Probiotic properties, including safety (hemolysis and sensibility to antibiotics), pH and bile salt tolerance, auto-aggregation, cell surface hydrophobicity, antibacterial activity, and exopolysaccharide production, were examined. None of the strains were hemolytic, and Pediococcus (16, 18) and Lactobacillus (28, 29) were found to be sensitive to all antibiotics. Moreover, all the strains tolerated pH (3.0, 6.5 and 8.0) and bile salt conditions (0.3, 0.6 and 1.0 % w/v). Pediococcus pentosaceus (16), Leuconostoc citreum (17), Pediococcus acidilactici (18), Enterococcus faecium (21,22), Enterococcus faecalis (24) and Limosilactobacillus fermentum (29) exhibited medium autoaggregation and affinity to chloroform. Six of the strains exhibited a ropy exopolysaccharide phenotype. Antibacterial activity against foodborne pathogens, Salmonella Typhimurium ATCC 14028, Listeria monocytogenes ATCC 19111, Escherichia coli ATCC 25922 and Staphylococcus aureus ATCC 25923, was found to be strain dependent, with the strains 16, 18, 21, 26, 28 and 29 presenting a higher inhibition (>4 mm) against all of them. According to Principal Component Analysis, P. pentosaceus (16), Leu. mesenteroides (26), L. casei (28), L. fermentum (29), and E. faecium (21) showed strong probiotic properties. Our findings suggest that five strains out of the 12 sampled strains are potential probiotics that could be used in the processing of traditional dairy products on an industrial scale to improve their quality.
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Affiliation(s)
- Samantha Roldán-Pérez
- Universidad Nacional de Colombia sede Medellín, Faculty of Agricultural Sciences, Medellín, Colombia
| | | | | | | | | | - Olga I. Montoya Campuzano
- Universidad Nacional de Colombia sede Medellín, Faculty of Agricultural Sciences, Medellín, Colombia
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6
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Lee JY, Jeong, Park Y, Jeong Y, Chang, Kang H. Anti-Inflammatory Response in TNFα/IFNγ-Induced HaCaT Keratinocytes and Probiotic Properties of Lacticaseibacillus rhamnosus MG4644, Lacticaseibacillus paracasei MG4693, and Lactococcus lactis MG5474. J Microbiol Biotechnol 2023; 33:1039-1049. [PMID: 37280776 PMCID: PMC10468673 DOI: 10.4014/jmb.2301.01028] [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: 01/19/2023] [Revised: 04/04/2023] [Accepted: 04/26/2023] [Indexed: 06/08/2023]
Abstract
Atopic dermatitis (AD) is a chronic inflammatory disease caused by immune dysregulation. Meanwhile, the supernatant of lactic acid bacteria (SL) was recently reported to have anti-inflammatory effects. In addition, HaCaT keratinocytes stimulated by tumor necrosis factor alpha (TNF-α) and interferon gamma (IFN-γ) are widely used for studying AD-like responses. In this study, we evaluated the anti-inflammatory effects of SL from lactic acid bacteria (LAB) on TNF-α/IFN-γ-induced HaCaT keratinocytes, and then we investigated the strains' probiotic properties. SL was noncytotoxic and regulated chemokines (macrophage-derived chemokine (MDC) and thymus and activation-regulated chemokine (TARC)) and cytokines (interleukin (IL)-4, IL-5, IL-25, and IL-33) in TNF-α/IFN-γ-induced HaCaT keratinocytes. SL from Lacticaseibacillus rhamnosus MG4644, Lacticaseibacillus paracasei MG4693, and Lactococcus lactis MG5474 decreased the phosphorylation of nuclear factor-κB (NF-κB) and mitogen-activated protein kinase (MAPK). Furthermore, the safety of the three strains was demonstrated via hemolysis, bile salt hydrolase (BSH) activity, and toxicity tests, and the stability was confirmed under simulated gastrointestinal conditions. Therefore, L. rhamnosus MG4644, L. paracasei MG4693, and Lc. lactis MG5474 have potential applications in functional food as they are stable and safe for intestinal epithelial cells and could improve atopic inflammation.
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Affiliation(s)
- Ji Yeon Lee
- Mediogen Co., Ltd., Jecheon 27159, Republic of Korea
| | - Jeong
- Mediogen Co., Ltd., Jecheon 27159, Republic of Korea
| | - Yong Park
- Mediogen Co., Ltd., Jecheon 27159, Republic of Korea
| | - Yulah Jeong
- Mediogen Co., Ltd., Jecheon 27159, Republic of Korea
| | - Chang
- Mediogen Co., Ltd., Jecheon 27159, Republic of Korea
| | - Ho Kang
- Mediogen Co., Ltd., Jecheon 27159, Republic of Korea
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Kiepś J, Juzwa W, Olejnik A, Sip A, Tomaszewska-Gras J, Dembczyński R. The Effects of Cellular Membrane Damage on the Long-Term Storage and Adhesion of Probiotic Bacteria in Caco-2 Cell Line. Nutrients 2023; 15:3484. [PMID: 37571422 PMCID: PMC10421378 DOI: 10.3390/nu15153484] [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: 07/13/2023] [Revised: 07/31/2023] [Accepted: 08/05/2023] [Indexed: 08/13/2023] Open
Abstract
Adhesion is one of the main factors responsible for the probiotic properties of bacteria in the human gut. Membrane proteins affected by cellular damage are one of the key aspects determining adhesion. Fluid-bed-dried preparations containing probiotic bacteria were analyzed in terms of their stability (temperature of glass transition) and shelf life in different conditions (modified atmosphere, refrigeration). Imaging flow cytometry was utilized to determine four subpopulations of cells based on their physiological and morphological properties. Lastly, adhesion was measured in bacteria cultured in optimal conditions and treated with heat shock. The results show that the subpopulations with no or low levels of cell membrane damage exhibit the ability to adhere to Caco-2 cells. The temperature of protein denaturation in bacteria was recorded as being between 65 °C and 70 °C. The highest glass transition temperature (Tg) value for hydroxypropyl methylcellulose (used as a coating substance) was measured at 152.6 °C. Drying and coating can be utilized as a sufficient treatment, allowing a long shelf-life (up to 12 months). It is, however, worth noting that technological processing, especially with high temperatures, may decrease the probiotic value of the preparation by damaging the bacterial cells.
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Affiliation(s)
- Jakub Kiepś
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
| | - Wojciech Juzwa
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
| | - Anna Olejnik
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
| | - Anna Sip
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
| | - Jolanta Tomaszewska-Gras
- Department of Food Safety and Quality Management, Poznan University of Life Sciences, 60-624 Poznan, Poland;
| | - Radosław Dembczyński
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
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Icer MA, Özbay S, Ağagündüz D, Kelle B, Bartkiene E, Rocha JMF, Ozogul F. The Impacts of Acidophilic Lactic Acid Bacteria on Food and Human Health: A Review of the Current Knowledge. Foods 2023; 12:2965. [PMID: 37569234 PMCID: PMC10418883 DOI: 10.3390/foods12152965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/28/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023] Open
Abstract
The need to improve the safety/quality of food and the health of the hosts has resulted in increasing worldwide interest in acidophilic lactic acid bacteria (LAB) for the food, livestock as well as health industries. In addition to the use of acidophilic LAB with probiotic potential for food fermentation and preservation, their application in the natural disposal of acidic wastes polluting the environment is also being investigated. Considering this new benefit that has been assigned to probiotic microorganisms in recent years, the acceleration in efforts to identify new, efficient, promising probiotic acidophilic LAB is not surprising. One of these effots is to determine both the beneficial and harmful compounds synthesized by acidophilic LAB. Moreover, microorganisms are of concern due to their possible hemolytic, DNase, gelatinase and mucinolytic activities, and the presence of virulence/antibiotic genes. Hence, it is argued that acidophilic LAB should be evaluated for these parameters before their use in the health/food/livestock industry. However, this issue has not yet been fully discussed in the literature. Thus, this review pays attention to the less-known aspects of acidophilic LAB and the compounds they release, clarifying critical unanswered questions, and discussing their health benefits and safety.
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Affiliation(s)
- Mehmet Arif Icer
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Amasya University, Amasya 05100, Turkey;
| | - Sena Özbay
- Department of Food Technology, Kaman Vocational School, Kırşehir Ahi Evran University, Kırşehir 40360, Turkey;
| | - Duygu Ağagündüz
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Gazi University, Emek, Ankara 06490, Turkey
| | - Bayram Kelle
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Cukurova University, Adana 01330, Turkey;
| | - Elena Bartkiene
- Department of Food Safety and Quality, Lithuanian University of Health Sciences Tilzes 18, LT-47181 Kaunas, Lithuania;
- Institute of Animal Rearing Technologies, Lithuanian University of Health Sciences, Tilzes Street 18, LT-47181 Kaunas, Lithuania
| | - João Miguel F. Rocha
- Universidade Católica Portuguesa, CBQF—Centro de Biotecnologia e Química Fina—Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
| | - Fatih Ozogul
- Department of Seafood Processing Technology, Cukurova University, Balcalı, Adana 01330, Turkey;
- Biotechnology Research and Application Center, Cukurova University, Adana 01330, Turkey
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Keresztény T, Libisch B, Orbe SC, Nagy T, Kerényi Z, Kocsis R, Posta K, Papp PP, Olasz F. Isolation and Characterization of Lactic Acid Bacteria With Probiotic Attributes From Different Parts of the Gastrointestinal Tract of Free-living Wild Boars in Hungary. Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10113-2. [PMID: 37353593 DOI: 10.1007/s12602-023-10113-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/15/2023] [Indexed: 06/25/2023]
Abstract
Lactic acid bacteria (LAB) in the microbiota play an important role in human and animal health and, when used as probiotics, can contribute to an increased growth performance in livestock management. Animals living in their native habitat can serve as natural sources of microorganisms, so isolation of LAB strains from wild boars could provide the opportunity to develop effective probiotics to improve production in swine industry. In this study, the probiotic potential of 56 LAB isolates, originated from the ileum, colon, caecum and faeces of 5 wild boars, were assessed in vitro in details. Their taxonomic identity at species level and their antibacterial activity against four representative strains of potentially pathogenic bacteria were determined. The ability to tolerate low pH and bile salt, antibiotic susceptibility, bile salt hydrolase activity and lack of hemolysis were tested. Draft genome sequences of ten Limosilactobacillus mucosae and three Leuconostoc suionicum strains were determined. Bioinformatic analysis excluded the presence of any known acquired antibiotic resistance genes. Three genes, encoding mesentericin B105 and two different bacteriocin-IIc class proteins, as well as two genes with possible involvement in mesentericin secretion (mesE) and transport (mesD) were identified in two L. suionicum strains. Lam29 protein, a component of an ABC transporter with proved function as mucin- and epithelial cell-adhesion factor, and a bile salt hydrolase gene were found in all ten L. mucosae genomes. Comprehensive reconsideration of all data helps to select candidate strains to assess their probiotic potential further in animal experiments.
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Affiliation(s)
- Tibor Keresztény
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), 2100, Gödöllő, Hungary
- Doctoral School of Biological Sciences, Hungarian University of Agriculture and Life Sciences, 2100, Gödöllő, Hungary
| | - Balázs Libisch
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), 2100, Gödöllő, Hungary
| | - Stephanya Corral Orbe
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), 2100, Gödöllő, Hungary
- Doctoral School of Biological Sciences, Hungarian University of Agriculture and Life Sciences, 2100, Gödöllő, Hungary
| | - Tibor Nagy
- Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life, Sciences, 2100, Gödöllő, Hungary
| | - Zoltán Kerényi
- Hungarian Dairy Research Institute Ltd, 9200, Mosonmagyaróvár, Hungary
| | - Róbert Kocsis
- Hungarian Dairy Research Institute Ltd, 9200, Mosonmagyaróvár, Hungary
| | - Katalin Posta
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), 2100, Gödöllő, Hungary
| | - Péter P Papp
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), 2100, Gödöllő, Hungary
| | - Ferenc Olasz
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), 2100, Gödöllő, Hungary.
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10
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Coulibaly WH, Kouadio NR, Camara F, Diguță C, Matei F. Functional properties of lactic acid bacteria isolated from Tilapia (Oreochromis niloticus) in Ivory Coast. BMC Microbiol 2023; 23:152. [PMID: 37231432 DOI: 10.1186/s12866-023-02899-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/17/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND Probiotics have recently been applied in aquaculture as eco-friendly alternatives to antibiotics to improve fish health, simultaneously with the increase of production parameters. The present study aimed to investigate the functional potential of lactic acid bacteria (LAB) isolated from the gut of Tilapia (Oreochromis niloticus) originating from the aquaculture farm of Oceanologic Research Center in Ivory Coast. RESULTS Twelve LAB strains were identified by 16 S rDNA gene sequence homology analysis belonging to two genera Pediococcus (P. acidilactici and P. pentosaceus) and Lactobacillus (L. plantarum) with a predominance of P. acidilactici. Several aspects including functional, storage, and safety characteristics were taken into consideration in the selection process of the native LAB isolates as potential probiotics. All LAB isolates showed high antagonistic activity against bacterial pathogens like Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Proteus mirabilis, and Staphylococcus aureus. In addition, the LAB isolates exhibited different degrees of cell surface hydrophobicity in the presence of hexane, xylene, and chloroform as solvents and a good ability to form biofilm. The strong antioxidant activity expressed through the DPPH scavenging capacity of LAB intact cells and their cell-free supernatants was detected. LAB strains survived between 34.18% and 49.9% when exposed to low pH (1.5) and pepsin for 3 h. In presence of 0.3% bile salts, the growth rate ranged from 0.92 to 21.46%. Antibiotic susceptibility pattern of LAB isolates showed sensitivity or intermediate resistance to amoxicillin, cephalothin, chloramphenicol, imipenem, kanamycin, penicillin, rifampicin, streptomycin, tetracycline and resistance to oxacillin, gentamicin, and ciprofloxacin. No significant difference in antibiotic susceptibility pattern was observed between P. acidilactici and P. pentosaceus strains. The non-hemolytic activity was detected. Following the analysis of the enzyme profile, the ability of LAB isolates to produce either lipase or β-galactosidase or both enzymes was highlighted. Furthermore, the efficacy of cryoprotective agents was proved to be isolate-dependent, with LAB isolates having a high affinity for D-sorbitol and sucrose. CONCLUSION The explored LAB strains inhibited the growth of pathogens and survived after exposure to simulated gastrointestinal tract conditions. The safety and preservative properties are desirable attributes of these new probiotic strains hence recommended for future food and feed applications.
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Affiliation(s)
- Wahauwouélé Hermann Coulibaly
- Biotechnology and Food Microbiology Laboratory, Food Science and Technology, Formation and Research Unit, University Nangui Abrogoua, 02 BP 801 Abidjan 02, Abidjan, Côte d'Ivoire
- Applied Microbiology Laboratory, Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine Bucharest, 59 Mărăsti Blvd, Bucharest, 011464, Romania
| | - N'goran Richard Kouadio
- Nutrition and Food Safety Laboratory, Food Science and Technology, Formation and Research Unit, University Nangui Abrogoua, 02 BP 801 Abidjan 02, Abidjan, Côte d'Ivoire
| | - Fatoumata Camara
- Nutrition and Food Safety Laboratory, Food Science and Technology, Formation and Research Unit, University Nangui Abrogoua, 02 BP 801 Abidjan 02, Abidjan, Côte d'Ivoire
| | - Camelia Diguță
- Applied Microbiology Laboratory, Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine Bucharest, 59 Mărăsti Blvd, Bucharest, 011464, Romania.
| | - Florentina Matei
- Applied Microbiology Laboratory, Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine Bucharest, 59 Mărăsti Blvd, Bucharest, 011464, Romania
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Lee JY, An M, Heo H, Park JY, Lee J, Kang CH. Limosilactobacillus fermentum MG4294 and Lactiplantibacillus plantarum MG5289 Ameliorates Nonalcoholic Fatty Liver Disease in High-Fat Diet-Induced Mice. Nutrients 2023; 15:nu15082005. [PMID: 37111223 PMCID: PMC10143775 DOI: 10.3390/nu15082005] [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: 04/04/2023] [Revised: 04/14/2023] [Accepted: 04/20/2023] [Indexed: 04/29/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disease and the leading cause of liver-related deaths worldwide. It has been established that microorganisms are involved in the interaction between the intestinal lumen and the liver; therefore, studies on probiotics as potential candidates are increasing. This study evaluated the effects of Limosilactobacillus fermentum MG4294 and Lactiplantibacillus plantarum MG5289 on NAFLD. The MG4294 and MG5289 reduced lipid accumulation in FFA-induced HepG2 by suppressing the adipogenic proteins through the regulation of AMP-activated protein kinase (AMPK). The administration of these strains in the HFD-induced mice model lowered body weight, serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), and cholesterol levels. In particular, MG4294 and MG5289 restored liver TG and TC to normal levels by lowering lipid and cholesterol-related proteins via the modulation of AMPK in the liver tissue. In addition, the administration of MG4294 and MG5289 reduced pro-inflammatory cytokines (tumor necrosis factor (TNF)-α and interleukin (IL)-1β-, and IL6) in the intestinal tissues of the HFD-induced mouse model. In conclusion, MG4294 and MG5289 can be presented as probiotics with the potential to prevent NAFLD.
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Affiliation(s)
- Ji Yeon Lee
- MEDIOGEN, Co., Ltd., Biovalley 1-ro, Jecheon-si 27159, Republic of Korea
| | - Minju An
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju-si 28644, Republic of Korea
| | - Huijin Heo
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju-si 28644, Republic of Korea
| | - Jeong-Yong Park
- MEDIOGEN, Co., Ltd., Biovalley 1-ro, Jecheon-si 27159, Republic of Korea
| | - Junsoo Lee
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju-si 28644, Republic of Korea
| | - Chang-Ho Kang
- MEDIOGEN, Co., Ltd., Biovalley 1-ro, Jecheon-si 27159, Republic of Korea
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12
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Diguță CF, Mihai C, Toma RC, Cîmpeanu C, Matei F. In Vitro Assessment of Yeasts Strains with Probiotic Attributes for Aquaculture Use. Foods 2022; 12:foods12010124. [PMID: 36613340 PMCID: PMC9818403 DOI: 10.3390/foods12010124] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/18/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
This study aimed to investigate in vitro the probiotic potential of three yeasts strains (BB06, OBT05, and MT07) isolated from agro-food natural sources. Screening was performed, including several functional, technological, and safety aspects of the yeast strains, in comparison to a reference Saccharomyces boulardii, to identify the ones with suitable probiotic attributes in aquaculture. The yeast strains were identified by 5.8S rDNA-ITS region sequencing as Metschnikowia pulcherrima OBT05, Saccharomyces cerevisiae BB06, and Torulaspora delbrueckii MT07. All yeast strains were tolerant to different temperatures, sodium chloride concentrations, and wide pH ranges. S. cerevisiae BB06 showed a strong and broad antagonistic activity. Moreover, the S. cerevisiae strain exhibited a high auto-aggregation ability (92.08 ± 1.49%) and good surface hydrophobicity to hexane as a solvent (53.43%). All of the yeast strains have excellent antioxidant properties (>55%). The high survival rate in the gastrointestinal tract (GIT) can promote yeast isolates as probiotics. All yeast strains presented a resistance pattern to the antibacterial antibiotics. Non-hemolytic activity was detected. Furthermore, freeze-drying with cryoprotective agents maintained a high survival rate of yeast strains, in the range of 74.95−97.85%. According to the results obtained, the S. cerevisiae BB06 strain was found to have valuable probiotic traits.
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Affiliation(s)
- Camelia Filofteia Diguță
- Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59, Mărăști Blvd., District 1, 011464 Bucharest, Romania
| | - Constanța Mihai
- Faculty of Land Reclamation and Environmental Engineering, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59, Mărăști Blvd., District 1, 011464 Bucharest, Romania
- Correspondence:
| | - Radu Cristian Toma
- Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59, Mărăști Blvd., District 1, 011464 Bucharest, Romania
| | - Carmen Cîmpeanu
- Faculty of Land Reclamation and Environmental Engineering, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59, Mărăști Blvd., District 1, 011464 Bucharest, Romania
| | - Florentina Matei
- Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59, Mărăști Blvd., District 1, 011464 Bucharest, Romania
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13
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Wang Y, Ai Z, Xing X, Fan Y, Zhang Y, Nan B, Li X, Wang Y, Liu J. The ameliorative effect of probiotics on diet-induced lipid metabolism disorders: A review. Crit Rev Food Sci Nutr 2022; 64:3556-3572. [PMID: 36218373 DOI: 10.1080/10408398.2022.2132377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
High-fat diet induces lipid metabolism disorders that has become one of the grievous public health problems and imposes a serious economic and social burden worldwide. Safety probiotics isolated from nature are regarded as a novel supplementary strategy for preventing and improving diet-induced lipid metabolism disorders and related chronic diseases. The present review summarized the latest researches of probiotics in high fat diet induced lipid metabolism disorders to provide a critical perspective on the regulatory function of probiotics for future research. Furthermore, the screening criteria and general sources of probiotics with lipid-lowering ability also outlined to enlarge microbial species resource bank instantly, which promoted the development of functional foods with lipid-lowering strains from nature. After critically reviewing the lipid-lowering potential of probiotics both in vitro and in vivo and even in clinical data of humans, we provided a perspective that probiotics activated AMPK signaling pathway to regulate fat synthesis and decomposition, as well as affected positively the gut microbiota structure, intestinal barrier function and systemic inflammatory response, then these beneficial effects are amplified along Gut-liver axis, which regulated intestinal flora metabolites such as SCFAs and BAs by HMGCR/FXR/SHP signaling pathway to improve high fat diet induced lipid metabolism disorders effectively.
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Affiliation(s)
- Yu Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Zhiyi Ai
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Xinyue Xing
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Yuling Fan
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Yue Zhang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Bo Nan
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Xia Li
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Yuhua Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
- National Processing Laboratory for Soybean Industry and Technology, Changchun, China
- National Engineering Research Center for Wheat and Cord Deep Processing, Changchun, China
| | - Jingsheng Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- National Engineering Research Center for Wheat and Cord Deep Processing, Changchun, China
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14
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Zhang L, Qu H, Liu X, Li Q, Liu Y, Wang W, Chen D, Xiao L, Gu R. Comparison and selection of probiotic Lactobacillus from human intestinal tract and traditional fermented food in vitro via PCA, unsupervised clustering algorithm, and heat-map analysis. Food Sci Nutr 2022; 10:4247-4257. [PMID: 36514768 PMCID: PMC9731541 DOI: 10.1002/fsn3.3018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 12/16/2022] Open
Abstract
Traditional fermented products and human intestines are rich sources of Lactobacillus strains which may have remarkable probiotic properties. In the present study, the probiotic properties of 40 Lactobacillus strains isolated from intestinal tracts of longevity population and traditional fermented food in China were determined, including the survival rates in simulated gastric acid and bile salt, aggregation, hydrophobicity, adhesion rate, antioxidant ability (ferric reducing antioxidant power), and antimicrobial ability. The differences between human strains and nonhuman strains were compared via t-test and principal component analysis (PCA). The significant differences were found in the survival rate at 0.3% bile salt, adhesion ability of the strains, and antioxidant ability of the fermentation broth (p < .05). The results of PCA showed that the first principal component (PC1) score of human strains was significantly higher than that of nonhuman strains (p < .01). And some probiotic Lactobacillus were selected for further application based on the unsupervised clustering algorithm, heat-map analysis, and K-means algorithm. Four strains, CS128, CS39, CS01, and CS1301, along with Lactobacillus rhamnosus GG (LGG) were divided into cluster I. The four strains, all isolated from human tracts, have been selected. Thus, human Lactobacillus has better probiotic potential and application prospects than strains from the nonhuman source. PCA, the unsupervised clustering algorithm, and heat-map analysis can be used to analyze and select Lactobacillus visually and effectively.
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Affiliation(s)
- Longfei Zhang
- College of Food Science and EngineeringYangzhou UniversityYangzhouChina,Jiangsu Key Laboratory of Dairy Biotechnology and Safety ControlYangzhouChina,Jiangsu Dairy Biotechnology Engineering Research Center, Kang Yuan Dairy Co. LtdYangzhou UniversityYangzhouChina
| | - Hengxian Qu
- College of Food Science and EngineeringYangzhou UniversityYangzhouChina,Jiangsu Key Laboratory of Dairy Biotechnology and Safety ControlYangzhouChina,Jiangsu Dairy Biotechnology Engineering Research Center, Kang Yuan Dairy Co. LtdYangzhou UniversityYangzhouChina
| | - Xiaoxiao Liu
- College of Food Science and EngineeringYangzhou UniversityYangzhouChina,Jiangsu Key Laboratory of Dairy Biotechnology and Safety ControlYangzhouChina,Jiangsu Dairy Biotechnology Engineering Research Center, Kang Yuan Dairy Co. LtdYangzhou UniversityYangzhouChina
| | | | - Yang Liu
- College of Food Science and EngineeringYangzhou UniversityYangzhouChina,Jiangsu Key Laboratory of Dairy Biotechnology and Safety ControlYangzhouChina,Jiangsu Dairy Biotechnology Engineering Research Center, Kang Yuan Dairy Co. LtdYangzhou UniversityYangzhouChina
| | - Wenqiong Wang
- College of Food Science and EngineeringYangzhou UniversityYangzhouChina,Jiangsu Key Laboratory of Dairy Biotechnology and Safety ControlYangzhouChina,Jiangsu Dairy Biotechnology Engineering Research Center, Kang Yuan Dairy Co. LtdYangzhou UniversityYangzhouChina
| | - Dawei Chen
- College of Food Science and EngineeringYangzhou UniversityYangzhouChina,Jiangsu Key Laboratory of Dairy Biotechnology and Safety ControlYangzhouChina,Jiangsu Dairy Biotechnology Engineering Research Center, Kang Yuan Dairy Co. LtdYangzhou UniversityYangzhouChina
| | - Lixia Xiao
- College of Food Science and EngineeringYangzhou UniversityYangzhouChina,Jiangsu Key Laboratory of Dairy Biotechnology and Safety ControlYangzhouChina,Jiangsu Dairy Biotechnology Engineering Research Center, Kang Yuan Dairy Co. LtdYangzhou UniversityYangzhouChina
| | - Ruixia Gu
- College of Food Science and EngineeringYangzhou UniversityYangzhouChina,Jiangsu Key Laboratory of Dairy Biotechnology and Safety ControlYangzhouChina,Jiangsu Dairy Biotechnology Engineering Research Center, Kang Yuan Dairy Co. LtdYangzhou UniversityYangzhouChina
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15
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Comparative genomics-based probiotic relevance of Limosilactobacillus fermentum KUB-D18. Gene 2022; 840:146747. [PMID: 35863716 DOI: 10.1016/j.gene.2022.146747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 05/25/2022] [Accepted: 07/14/2022] [Indexed: 11/21/2022]
Abstract
Limosilactobacillus fermentum KUB-D18 is a heterofermentative lactic acid bacterium that its potential probiotic relevance originally isolated from the chicken intestine. This study sequenced a whole-genome of L. fermentum KUB-D18 and annotated its genes and functions in relation to probiotic properties. As a result, the genome sequence of L. fermentum KUB-D18 approximately contained 2.02 Mbps with GC content of51.7%. After annotating the genome by integrated protein and pathway databases, 2,158 protein-encoding genes were majorly annotated for metabolisms of amino acids, carbohydrates and cofactors as well as vitamins which showed a versatile metabolic capability to gastrointestinal microhabitats. According to the comparative genome analysis of L. fermentum KUB-D18 and the other related strains, L. fermentum KUB-D18 showed common characteristics e.g., folate biosynthesis and bile salt hydrolase enzymes-related cholesterol lowering effect as well as a unique gene cluster involved in metabolism of L-ascorbic acid of L. fermentum KUB-D18. Taken together, L. fermentum KUB-D18 genome provides the genetic basis towards cellular capability for further elucidating the functional mechanisms of its probiotic properties. This study serves for designing desirable targets for the development of probiotic foods and feeds.
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16
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Safety evaluation and anti-inflammatory activity of Lactobacillus johnsonii IDCC 9203 isolated from feces of breast-fed infants. Arch Microbiol 2022; 204:470. [PMID: 35821151 DOI: 10.1007/s00203-022-03097-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 06/09/2022] [Accepted: 06/21/2022] [Indexed: 11/02/2022]
Abstract
This study evaluated the safety of Lactobacillus johnsonii IDCC 9203 and investigated its anti-inflammatory activity in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages. Genomic analysis revealed that this strain has no virulence and antibiotic resistance gene except tetW, which is a tetracycline resistance gene. Minimum inhibitory concentration data showed that the strain is resistant to tetracycline and aminoglycosides. Further analysis indicated that the transferability of the tetW gene is extremely low, and resistance to aminoglycosides is due to the intrinsic resistance of L. johnsonii IDCC 9203. Phenotypic safety assessment showed that the strain has neither β-hemolytic nor β-glucuronidase activity, and no biogenic amine production. When LPS-induced RAW 264.7 cells were treated with L. johnsonii IDCC 9203, the level of nitric oxide and expression of pro-inflammatory cytokines significantly decreased (p < 0.05). Therefore, L. johnsonii IDCC 9203 strain is considered as safe and beneficial probiotic for human consumption.
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17
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Savio C, Mugo-Kamiri L, Upfold JK. Bugs in Bugs: The Role of Probiotics and Prebiotics in Maintenance of Health in Mass-Reared Insects. INSECTS 2022; 13:insects13040376. [PMID: 35447818 PMCID: PMC9025317 DOI: 10.3390/insects13040376] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/07/2022] [Accepted: 04/08/2022] [Indexed: 02/07/2023]
Abstract
Simple Summary The importance of insect farming is increasing in the livestock market by evolving into a form of intensive production that is often characterized by a high density of individuals kept in closed environments. These conditions can cause a higher risk of occurrence of insect diseases and the lowering of reproductive and growth performances. The role of microbiota composition in insect behaviour and health maintenance could be further studied for selecting microorganisms that act as probiotics for the main mass reared insect species. These probiotics could enhance host performances and reduce the incidence of risks related to insect diseases. Abstract Interactions between insects and their microbiota affect insect behaviour and evolution. When specific microorganisms are provided as a dietary supplement, insect reproduction, food conversion and growth are enhanced and health is improved in cases of nutritional deficiency or pathogen infection. The purpose of this review is to provide an overview of insect–microbiota interactions, to review the role of probiotics, their general use in insects reared for food and feed, and their interactions with the host microbiota. We review how bacterial strains have been selected for insect species reared for food and feed and discuss methods used to isolate and measure the effectiveness of a probiotic. We outline future perspectives on probiotic applications in mass-reared insects.
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Affiliation(s)
- Carlotta Savio
- University of Paris Saclay, INRAE, Micalis, GME, 78350 Jouy en Josas, France;
- Laboratory of Entomology, Wageningen University, 6708 PB Wageningen, The Netherlands
- Correspondence:
| | - Loretta Mugo-Kamiri
- Institut de Recherche sur la Biologie de l’Insecte, UMR 7261, CNRS-University of Tours, 37200 Tours, France;
- Centre for Ecology and Conservation, Penryn Campus, College of Life and Environmental Science, University of Exeter, Cornwall TR10 9FE, UK
| | - Jennifer K. Upfold
- University of Paris Saclay, INRAE, Micalis, GME, 78350 Jouy en Josas, France;
- Department of Plant and Environmental Science, University of Copenhagen, Thorvaildsensvej 40, 1871 Frederiksberg, Denmark
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Lv M, Wang S, Yin H, Dong K, Liu Y, Pan H, Lin Q, Cao Z. Probiotic Potential and Effects on Gut Microbiota Composition and Immunity of Indigenous Gut Lactobacilli in Apis cerana. Probiotics Antimicrob Proteins 2022; 14:252-262. [PMID: 35325390 DOI: 10.1007/s12602-022-09935-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2022] [Indexed: 10/18/2022]
Abstract
This study aimed to investigate the probiotic potential of gut indigenous lactic acid bacteria (LAB) originated from Apis cerana. Six Limosilactobacillus reuteri and one Lactobacillus helveticus were isolated from gut samples of A. cerana adult worker bee. All isolates antagonized the growth of pathogens including Salmonella typhimurium, Escherichia coli, Shigella flexneri, and Flavobacterium frigidimaris, and L. helveticus KM7 showed the greatest antimicrobial activity among them. All strains were sensitive to cefotaxime, amoxicillin, cephalothin, penicillin G, kanamycin, and vancomycin, moderately sensitive to novobiocin and resistant to gentamicin. Six out of seven strains were sensitive to ampicillin. L. helveticus KM7 was chosen to evaluate in vivo probiotic effect of adult worker bees of A. cerana through fed sucrose syrup supplemented with KM7. Administration of KM7 increased survival rate and gut LAB but decreased gut fungi and Enterococcus in honeybees. Expressions of genes related to antimicrobial peptides (AMPs) including Abaecin and Defensin were also induced in the gut of honeybees. The results suggested that L. helveticus KM7 with greater probiotic properties could improve the survival rate of adult worker honeybees of A. cerana through regulating gut microbiota and AMPs genes expression.
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Affiliation(s)
- Mingkui Lv
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Sifan Wang
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Huajuan Yin
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Kun Dong
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Yiqiu Liu
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Hongbin Pan
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Qiuye Lin
- College of Food Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Zhenhui Cao
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China. .,Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Heilongtan, North Suburb, 650201, People's Republic of China.
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New Wild-Type Lacticaseibacillus rhamnosus Strains as Candidates to Manage Type 1 Diabetes. Microorganisms 2022; 10:microorganisms10020272. [PMID: 35208726 PMCID: PMC8875344 DOI: 10.3390/microorganisms10020272] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/16/2022] [Accepted: 01/20/2022] [Indexed: 02/01/2023] Open
Abstract
The incidence of type 1 diabetes (T1D) has been dramatically increased in developed countries, and beyond the genetic impact, environmental factors, including diet, seem to play an important role in the onset and development of the disease. In this vein, five Lacticaseibacillus rhamnosus, isolated from traditional fermented Greek products, were screened for potential probiotic properties, aiming at maintaining gut homeostasis and antidiabetic capability to alleviate T1D symptoms. L. rhamnosus cell-free supernatants induced strong growth inhibitory activity against common food spoilage and foodborne pathogenic microorganisms, associated with several diseases, including T1D, and were also able to inhibit α-glucosidase activity (up to 44.87%), a promising property for alternatives to the antidiabetic drugs. In addition, survival rates up to 36.76% were recorded during the application of the static in vitro digestion model. The strains had no hemolytic activity and were sensitive to common antibiotics suggested by the European Food and Safety Association, apart from chloramphenicol. However, it is highly unlikely that the resistance has been acquired. In conclusion, our results suggest a great health-promoting potential of the newly isolated wild-type L. rhamnosus strains, but further confirmation of their efficiency in experimental animal models is considered an essential next research step.
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INAYAH I, WIBOWO MS, JULIANTI E, SUCIATI T. Characterization of Lactobacillus zeae as probiotic and starter culture for tamarillo fermented product. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.54021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Istiyati INAYAH
- Institut Teknologi Bandung, Indonesia; Pasundan University, Indonesia
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21
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Wen Fang Wu Wu J, Redondo-Solano M, Uribe L, WingChing-Jones R, Usaga J, Barboza N. First characterization of the probiotic potential of lactic acid bacteria isolated from Costa Rican pineapple silages. PeerJ 2021; 9:e12437. [PMID: 34909269 PMCID: PMC8641478 DOI: 10.7717/peerj.12437] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 10/15/2021] [Indexed: 11/20/2022] Open
Abstract
Background Agro-industrial waste from tropical environments could be an important source of lactic acid bacteria (LAB) with probiotic potential. Methods Twelve LAB isolates were isolated from pineapple silages. The species identification was carried out considering 16S rRNA and pheS genes. Experiments to evaluate the probiotic potential of the isolates included survival under simulated gastrointestinal environment, in vitro antagonistic activity (against Salmonella spp. and Listeria monocytogenes), auto-aggregation assays, antibiotic susceptibility, presence of plasmids, adhesiveness to epithelial cells, and antagonistic activity against Salmonella in HeLa cells. Results Lacticaseibacillus paracasei, Lentilactobacillus parafarraginis, Limosilactobacillus fermentum, and Weissella ghanensis were identified. Survival of one of the isolates was 90% or higher after exposure to acidic conditions (pH: 2), six isolates showed at least 61% survival after exposure to bile salts. The three most promising isolates, based on survivability tests, showed a strong antagonistic effect against Salmonella. However, only L. paracasei_6714 showed a strong Listeria inhibition pattern; this isolate showed a good auto-aggregation ability, was resistant to some of the tested antibiotics but was not found to harbor plasmids; it also showed a high capacity for adhesion to epithelial cells and prevented the invasion of Salmonella in HeLa cells. After further in vivo evaluations, L. paracasei_6714 may be considered a probiotic candidate for food industry applications and may have promising performance in acidic products due to its origin.
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Affiliation(s)
| | - Mauricio Redondo-Solano
- Research Center for Tropical Diseases (CIET) and Food Microbiology Research and Training Laboratory (LIMA), College of Microbiology, University of Costa Rica (UCR), Universidad de Costa Rica, San Pedro, San José, Costa Rica
| | - Lidieth Uribe
- Agronomic Research Center (CIA), Universidad de Costa Rica, San Pedro, San José, Costa Rica
| | - Rodolfo WingChing-Jones
- Animal Science Department, Animal Nutrition Research Center (CINA), Universidad de Costa Rica, San Pedro, San José, Costa Rica
| | - Jessie Usaga
- National Center for Food Science and Technology (CITA), Universidad de Costa Rica, San Pedro, San José, Costa Rica
| | - Natalia Barboza
- Food Technology Department, National Center for Food Science and Technology (CITA), Center for Research in Cellular and Molecular Biology (CIBCM), Universidad de Costa Rica, San Pedro, San José, Costa Rica
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Probiotic and Antioxidant Properties of Lactic Acid Bacteria Isolated from Indigenous Fermented Tea Leaves (Miang) of North Thailand and Promising Application in Synbiotic Formulation. FERMENTATION-BASEL 2021. [DOI: 10.3390/fermentation7030195] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Miang, a traditional fermented tea from Northern Thailand, potentially hosts beneficial probiotic bacteria. A total of 133 isolates of lactic acid bacteria (LAB) isolated from Miang were evaluated for probiotic potential. Among them, 5 strains showed high tolerance to bile and acidic conditions and were selected for further evaluation. All selected strains showed inhibitory activity against human pathogens, including Bacillus cereus, Staphylococcus aureus, and Salmonella ser. Typhimurium. Nucleotide sequences analysis of the 16S rRNA gene revealed that 3 isolates were identified as Lactobacillus pentosus; the remaining were L. plantarum and Pediococcus pentosaceus, respectively. All 5 strains showed a high survival rate of more than 90% when exposed to simulated gastrointestinal conditions and were also susceptible to antibiotics such as erythromycin, tetracycline, and gentamycin, and resistant to vancomycin, streptomycin, and polymycin. In addition, the selected isolates exhibited different degrees of cell surface hydrophobicity (58.3–92.9%) and auto-aggregation (38.9–46.0%). The antioxidant activity reflected in DPPH scavenging activities of viable cells and their cell-free culture supernatants (CFCS) were also found in selected LAB isolates. Moreover, selected LAB isolates showed ability to grow on commercial prebiotics (GOS, FOS or XOS). The preliminary study of spray-drying using cyclodextrin as thermoprotectant suggested that all strains can be designed as a powdered formulation. L. pentosus A14-6 was the best strain, with high tolerance against simulated gastrointestinal conditions, high cell surface hydrophobicity, effective response to tested commercial oligosaccharides, especially XOS, and the highest cell antioxidant properties. L. pentosus A14-6 was therefore targeted for further applications in food and synbiotic applications.
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Probiotic Potential and Cholesterol-Lowering Capabilities of Bacterial Strains Isolated from Pericarpium Citri Reticulatae 'Chachiensis'. Microorganisms 2021; 9:microorganisms9061224. [PMID: 34200041 PMCID: PMC8227569 DOI: 10.3390/microorganisms9061224] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 12/12/2022] Open
Abstract
Pericarpium Citri Reticulatae 'Chachiensis' (PCR-Chachiensis), the pericarps of Citri Reticulatae Blanco cv. Chachiensis, is a food condiment and traditional medicine in southeast and eastern Asia. Its rich and various bacterial community awaits exploration. The present study is the first report on probiotic screening and characterization of bacteria from PCR-Chachiensis. Based on 64 culturable bacterial isolates, 8 strains were screened out to have great survival in the simulated gastrointestinal stressful condition, being nonhemolytic and without biogenic amine formation. They were identified by 16S rRNA gene sequencing as two Bacillus, three Lactobacillus, and three strains from Bacillales. Their probiotic properties, cholesterol-lowering potential and carbohydrate utilization capability were further investigated. Though these eight strains all displayed distinct cholesterol removal potential, Bacillus licheniformis N17-02 showed both remarkable cholesterol removal capability and presence of bile salt hydrolase gene, as well as possessing most of the desirable probiotic attributes. Thus, it could be a good probiotic candidate with hypocholesterolemic potential. Bacillus megaterium N17-12 displayed the widest carbohydrate utilization profile and the strongest antimicrobial activity. Hence, it was promising to be used as a probiotic in a host and as a fermentation starter in fermented food or feed.
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James A, Ke H, Yao T, Wang Y. The Role of Probiotics in Purine Metabolism, Hyperuricemia and Gout: Mechanisms and Interventions. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1904412] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Armachius James
- Beijing Advanced Innovation Centre for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
- Rizhao HUAWEI Institute of Comprehensive Health Industries, Rizhao, China
| | - Hengming Ke
- Department of Biochemistry and Biophysics and Lineberger Comprehensive Centre, The University of North Carolina, Chapel Hill, USA
| | - Ting Yao
- Beijing Advanced Innovation Centre for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
- Rizhao HUAWEI Institute of Comprehensive Health Industries, Rizhao, China
| | - Yousheng Wang
- Beijing Advanced Innovation Centre for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
- Rizhao HUAWEI Institute of Comprehensive Health Industries, Rizhao, China
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Lee BS, Ban OH, Bang WY, Chae SA, Oh S, Park C, Lee M, Kim SJ, Yang J, Jung YH. Safety assessment of Lactobacillus reuteri IDCC 3701 based on phenotypic and genomic analysis. ANN MICROBIOL 2021. [DOI: 10.1186/s13213-021-01622-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Purpose
Lactobacillus reuteri is one of the most largely studied human-commensal bacteria and widely used as a form of probiotics. Safety of probiotics has become increasingly important for human consumption due to increasing health-concerns in food industry. In this study, the safety of L. reuteri IDCC 3701 isolated from human breast milk was thoroughly investigated.
Methods
Whole-genome sequence analysis was performed to identify antibiotic resistance and toxigenicity of L. reuteri IDCC 3701. Phenotypic analysis such as minimal inhibitory concentration, β-hemolysis, extracellular enzyme activity, and the production of biological amines and L/D-lactate, was investigated. Finally, acute oral toxicity test was performed to access L. reuteri IDCC 3701 safety.
Results
Although multiple resistances to gentamicin and kanamycin were observed in L. reuteri IDCC 3701, it was revealed that these resistances are intrinsic and not transferable through whole-genome analysis. In addition, various phenotypic analysis concerning hemolysis, enzyme activity, and D-lactate production did not show any negative results. Although L. reuteri IDCC 3701 harbors a histidine decarboxylase gene, no biogenic amines were detected. Finally, L. reuteri IDCC 3701 exhibited no evidence of acute toxicity according to an in vivo study.
Conclusion
Our findings demonstrate that L. reuteri IDCC 3701 is considered to be safe for human consumption as probiotics based on the in silico, in vitro and in vivo studies.
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Kocabay S, Çetinkaya S. Probiotic Properties of a Lactobacillus fermentum Isolated from New-born Faeces. J Oleo Sci 2020; 69:1579-1584. [PMID: 33177286 DOI: 10.5650/jos.ess20224] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Lactic acid bacteria (LAB) have been demonstrated to have roles in many applications, ranging from lowering of cholesterol to immunological development. In this study, Lactobacillus fermentum was isolated from a new-born's faeces and its genotypic and probiotic characterizations were performed. Our results showed that the survival rate of isolated Lactobacillus fermentum was 39.39% at pH 2 and 81.34% in the stimulated gastric juice at pH 3. It also digested bile salts. Its surface hydrophobicity was found to be 57.59% in n-hexane. These findings indicated that the isolate can be a good probiotic candidate.
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Affiliation(s)
- Samet Kocabay
- Department of Molecular Biology and Genetics, Faculty of Science and Art, Inonu University Malatya
| | - Serap Çetinkaya
- Department of Molecular Biology and Genetics, Science Faculty, Sivas Cumhuriyet University
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Probiotic Potential of Lactic Acid Starter Cultures Isolated from a Traditional Fermented Sorghum-Millet Beverage. Int J Microbiol 2020; 2020:7825943. [PMID: 32831844 PMCID: PMC7424372 DOI: 10.1155/2020/7825943] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 07/10/2020] [Indexed: 01/29/2023] Open
Abstract
The purpose of this study was to establish the probiotic potential of lactic acid bacteria (LAB) starter cultures, Lb. plantarum MNC 21, L. lactis MNC 24, and W. confusa MNC 20, isolated from a traditionally fermented sorghum-millet beverage from Uganda. The cultures were examined for tolerance to acid and bile salts, bile salt hydrolase (BSH) activity, antibiotic susceptibility, biogenic amine production, mucin degradation, hydrophobicity, auto-aggregation, adherence to the ileum, coaggregation, and antimicrobial properties against selected pathogenic species. Lb. rhamnosus yoba 2012, a known probiotic, was the reference. The isolates were tolerant to acid (pH = 3) and bile (1%). W. confusa MNC 20 and Lb. plantarum MNC 21 exhibited medium BSH activity (11-15 mm diameter of hydrolysis zone) while L. lactis and Lb. rhamnosus yoba 2012 exhibited low BSH activity (<10 mm diameter of hydrolysis zone). All isolates lacked mucolytic activity. Lb. plantarum MNC 21 and W. confusa MNC 20 produced agmatine. The candidate and reference microorganisms were resistant to 10 of 21 and 5 of 21 antibiotics, respectively. The isolates exhibited hydrophobic, auto-aggregation and coaggregation properties. These three properties were exhibited more (p < 0.05) by the reference than the potential probiotics. The ability of the potential probiotics to attach onto the goat ileum (7.3-8.0 log cfu/cm2) was comparable to that of Lb. rhamnosus yoba 2012 (7.6 log cfu/cm2). The four LAB inhibited E. coli, S. aureus, and S. enterica to the same extent (p < 0.05). The findings indicated potential probiotic activity of the starter cultures. However, further in vivo examination of these isolates is required to confirm their probiotic capabilities.
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Alayande KA, Aiyegoro OA, Nengwekhulu TM, Katata-Seru L, Ateba CN. Integrated genome-based probiotic relevance and safety evaluation of Lactobacillus reuteri PNW1. PLoS One 2020; 15:e0235873. [PMID: 32687505 PMCID: PMC7371166 DOI: 10.1371/journal.pone.0235873] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Accepted: 06/24/2020] [Indexed: 01/27/2023] Open
Abstract
This study evaluates whole-genome sequence of Lactobacillus reuteri PNW1 and identifies its safety genes that may qualify it as a putative probiotic. It further extracted the bacteriocin produced by the strain and tested its effectiveness against pathogenic STEC E. coli O177. The genomic DNA was sequenced on illuminal Miseq instrument and the sequenced data was assessed for quality reads before assembled with SPAdes. The draft assembly was annotated with Prokaryotic Genome Annotation Pipeline (PGAP) and Rapid Annotations using Subsystems Technology (RAST). Further downstream analyses were carried out using appropriate bioinformatic tools. Production of biogenic amines was biochemically confirmed through HPLC analysis. The assembled genome was 2,430,215 bp long in 420 contigs with 39% G+C content. Among all known genes, putatively responsible for the production of toxic biochemicals, only arginine deiminase (EC3.5.3.6) was spotted. Coding sequences (CDS) putative for D-lactate dehydrogenase (EC1.1.1.28), L-lactate dehydrogenase (EC1.1.1.27) and bacteriocin helveticin J were found within the genome together with plethora of other probiotic important genes. The strain harbours only resistant genes putative for Lincosamide (lnuC) and Tetracycline resistant genes (tetW). There was no hit found for virulence factors and probability of the strain being a human pathogen was zero. Two intact prophage regions were detected within the genome of L. reuteri PNW1 and nine CDS were identified for insertion sequence by OASIS which are belong to seven different families. Five putative CDS were identified for the CRISPR, each associated with Cas genes. Maximum zone of inhibition exhibited by the bacteriocin produced L. reuteri PNW1 is 20.0±1.00 mm (crude) and 23.3±1.15 mm (at 0.25 mg/ml) after being partially purified. With the strain predicted as non-human pathogen, coupled with many other identified desired features, L. reuteri PNW1 stands a chance of making good and safe candidates for probiotic, though further in-vivo investigations are still necessary.
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Affiliation(s)
- Kazeem Adekunle Alayande
- Antibiotic Resistance and Phage Biocontrol Research Group, Department of Microbiology, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
- Food Security and Safety Niche Area, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
- * E-mail: (KAA); (CNA)
| | - Olayinka Ayobami Aiyegoro
- Gastrointestinal Microbiology and Biotechnology Division, Agricultural Research Council, Animal Production Institute, Irene, South Africa
| | | | - Lebogang Katata-Seru
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, North West University, Mmabatho, South Africa
| | - Collins Njie Ateba
- Antibiotic Resistance and Phage Biocontrol Research Group, Department of Microbiology, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
- Food Security and Safety Niche Area, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
- * E-mail: (KAA); (CNA)
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Picó-Monllor JA, Mingot-Ascencao JM. Search and Selection of Probiotics That Improve Mucositis Symptoms in Oncologic Patients. A Systematic Review. Nutrients 2019; 11:E2322. [PMID: 31581434 PMCID: PMC6835542 DOI: 10.3390/nu11102322] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 09/17/2019] [Accepted: 09/29/2019] [Indexed: 12/12/2022] Open
Abstract
Mucositis is a common and severe adverse effect of radiotherapy and/or chemotherapy treatments applied to oncologic patients. The development of effective therapies and adjuvant treatments to increase their efficacy and reduce adverse effect is a priority in cancer therapy. Probiotics are non-pathogenic live microorganisms that when ingested in adequate amounts can colonize the intestinal tract promoting the restoration of a healthy gut microbiota and contributing to all its functions including the maintenance of the integrity of the mucosa and the modulation of the immune system. In order to check the possible efficacy and safety of these microorganisms to prevent or ameliorate mucositis' symptoms, we have systematically searched the bibliographic databases MEDLINE (via Pubmed), EMBASE, The Cochrane library, Scopus, Web of science, and Latin American and Caribbean Literature in Health of Sciences (LILACS) using the descriptors "Mucositis", "Probiotics", "Neoplasms", "Humans", and "Clinical Trials". After applying our inclusion and exclusion criteria, 15 studies were accepted for review and critical analysis. Our analysis suggests that a combination of Bifidobacterium longum, Lactobacillus acidophilus, Bifidobacterium breve, Bifidobacterium infantis, and Saccharomyces boulardii could be a good combination of probiotics to reduce incident rates of mucositis or ameliorate its symptoms in chemo or radiotherapy treated patients.
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