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Zarour K, Zeid AF, Mohedano ML, Prieto A, Kihal M, López P. Leuconostoc mesenteroides and Liquorilactobacillus mali strains, isolated from Algerian food products, are producers of the postbiotic compounds dextran, oligosaccharides and mannitol. World J Microbiol Biotechnol 2024; 40:114. [PMID: 38418710 PMCID: PMC10901973 DOI: 10.1007/s11274-024-03913-3] [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: 09/15/2023] [Accepted: 01/30/2024] [Indexed: 03/02/2024]
Abstract
Six lactic acid bacteria (LAB) isolated from Algerian sheep's milk, traditional butter, date palm sap and barley, which produce dextran, mannitol, oligosaccharides and vitamin B2 have been characterized. They were identified as Leuconostoc mesenteroides (A4X, Z36P, B12 and O9) and Liquorilactobacillus mali (BR201 and FR123). Their exopolysaccharides synthesized from sucrose by dextransucrase (Dsr) were characterized as dextrans with (1,6)-D-glucopyranose units in the main backbone and branched at positions O-4, O-2 and/or O-3, with D-glucopyranose units in the side chain. A4X was the best dextran producer (4.5 g/L), while the other strains synthesized 2.1-2.7 g/L. Zymograms revealed that L. mali strains have a single Dsr with a molecular weight (Mw) of ~ 145 kDa, while the Lc. mesenteroides possess one or two enzymes with 170-211 kDa Mw. As far as we know, this is the first detection of L. mali Dsr. Analysis of metabolic fluxes from sucrose revealed that the six LAB produced mannitol (~ 12 g/L). The co-addition of maltose-sucrose resulted in the production of panose (up to 37.53 mM), an oligosaccharide known for its prebiotic effect. A4X, Z36P and B12 showed dextranase hydrolytic enzymatic activity and were able to produce another trisaccharide, maltotriose, which is the first instance of a dextranase activity encoded by Lc. mesenteroides strains. Furthermore, B12 and O9 grew in the absence of riboflavin (vitamin B2) and synthesized this vitamin, in a defined medium at the level of ~ 220 μg/L. Therefore, these LAB, especially Lc. mesenteroides B12, are good candidates for the development of new fermented food biofortified with functional compounds.
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Affiliation(s)
- Kenza Zarour
- Departamento de Biotecnología Microbiana y de Plantas, Centro de Investigaciones Biológicas Margarita Salas (CIB, CSIC), 28040, Madrid, Spain
- Laboratoire de Microbiologie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université Oran 1 Ahmed Ben Bella, Es Senia, 31100, Oran, Algeria
| | - Ahmed Fouad Zeid
- Departamento de Biotecnología Microbiana y de Plantas, Centro de Investigaciones Biológicas Margarita Salas (CIB, CSIC), 28040, Madrid, Spain
- Laboratoire de Microbiologie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université Oran 1 Ahmed Ben Bella, Es Senia, 31100, Oran, Algeria
| | - Mari Luz Mohedano
- Departamento de Biotecnología Microbiana y de Plantas, Centro de Investigaciones Biológicas Margarita Salas (CIB, CSIC), 28040, Madrid, Spain
| | - Alicia Prieto
- Departamento de Biotecnología Microbiana y de Plantas, Centro de Investigaciones Biológicas Margarita Salas (CIB, CSIC), 28040, Madrid, Spain
| | - Mebrouk Kihal
- Laboratoire de Microbiologie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université Oran 1 Ahmed Ben Bella, Es Senia, 31100, Oran, Algeria
| | - Paloma López
- Departamento de Biotecnología Microbiana y de Plantas, Centro de Investigaciones Biológicas Margarita Salas (CIB, CSIC), 28040, Madrid, Spain.
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Iyer A, Soto Martín EC, Cameron GA, Louis P, Duncan SH, Bestwick CS, Russell WR. Gorse (Ulex europeaus) wastes with 5,6-dimethyl benzimidazole supplementation can support growth of vitamin B12 producing commensal gut microbes. PLoS One 2024; 19:e0290052. [PMID: 38422016 PMCID: PMC10903898 DOI: 10.1371/journal.pone.0290052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 12/20/2023] [Indexed: 03/02/2024] Open
Abstract
Many commensal gut microbes are recognized for their potential to synthesize vitamin B12, offering a promising avenue to address deficiencies through probiotic supplementation. While bioinformatics tools aid in predicting B12 biosynthetic potential, empirical validation remains crucial to confirm production, identify cobalamin vitamers, and establish biosynthetic yields. This study investigates vitamin B12 production in three human colonic bacterial species: Anaerobutyricum hallii DSM 3353, Roseburia faecis DSM 16840, and Anaerostipes caccae DSM 14662, along with Propionibacterium freudenreichii DSM 4902 as a positive control. These strains were selected for their potential use as probiotics, based on speculated B12 production from prior bioinformatic analyses. Cultures were grown in M2GSC, chemically defined media (CDM), and Gorse extract medium (GEM). The composition of GEM was similar to CDM, except that the carbon and nitrogen sources were replaced with the protein-depleted liquid waste obtained after subjecting Gorse to a leaf protein extraction process. B12 yields were quantified using liquid chromatography with tandem mass spectrometry. The results suggested that the three butyrate-producing strains could indeed produce B12, although the yields were notably low and were detected only in the cell lysates. Furthermore, B12 production was higher in GEM compared to M2GSC medium. The positive control, P. freudenreichii DSM 4902 produced B12 at concentrations ranging from 7 ng mL-1 to 12 ng mL-1. Univariate-scaled Principal Component Analysis (PCA) of data from previous publications investigating B12 production in P. freudenreichii revealed that B12 yields diminished when the carbon source concentration was ≤30 g L-1. In conclusion, the protein-depleted wastes from the leaf protein extraction process from Gorse can be valorised as a viable substrate for culturing B12-producing colonic gut microbes. Furthermore, this is the first report attesting to the ability of A. hallii, R. faecis, and A. caccae to produce B12. However, these microbes seem unsuitable for industrial applications owing to low B12 yields.
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Affiliation(s)
- Ajay Iyer
- Rowett Institute, University of Aberdeen, Aberdeen, Scotland
| | - Eva C Soto Martín
- Institue of Medical Sciences, University of Aberdeen, Aberdeen, Scotland
| | - Gary A Cameron
- Rowett Institute, University of Aberdeen, Aberdeen, Scotland
| | - Petra Louis
- Rowett Institute, University of Aberdeen, Aberdeen, Scotland
| | - Sylvia H Duncan
- Rowett Institute, University of Aberdeen, Aberdeen, Scotland
| | | | - Wendy R Russell
- Rowett Institute, University of Aberdeen, Aberdeen, Scotland
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Padonou SW, Houngbédji M, Hounhouigan MH, Chadare FJ, Hounhouigan DJ. B-vitamins and heat processed fermented starchy and vegetable foods in sub-Saharan Africa: A review. J Food Sci 2023; 88:3155-3188. [PMID: 37458298 DOI: 10.1111/1750-3841.16697] [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: 02/08/2023] [Revised: 06/11/2023] [Accepted: 06/24/2023] [Indexed: 08/05/2023]
Abstract
Micronutrient deficiency still occurs in sub-Saharan Africa (SSA) despite the availability of several food resources, particularly fermented foods and vegetables, with high nutritional potential. Fermentation enhances the quality of food in several aspects. Organoleptically, certain taste, aroma, and textures are developed. Health and safety are improved by inhibiting the growth of several foodborne pathogens and removing harmful toxic compounds. Furthermore, nutrition is enhanced by improving micronutrient contents and bioavailability from the food, especially vitamin B content. However, during processing and before final consumption, many fermented foods are heat treated (drying, pasteurization, cooking, etc.) to make the food digestible and safe for consumption. Heat treatment improves the bioavailability of B-vitamins in some foods. In other foods, heating decreases the nutritional value because some B-vitamins are degraded. In SSA, cooked starchy foods are often associated with vegetables in household meals. This paper reviews studies that have focused fermented starchy foods and vegetable foods in SSA with the potential to provide B-vitamins to consumers. The review also describes the process of the preparation of these foods for final consumption, and techniques that can prevent or lessen B-vitamin loss, or enrich B-vitamins prior to consumption.
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Affiliation(s)
- Sègla Wilfrid Padonou
- Laboratoire de Sciences et Technologie des Aliments, des Bioressources et de Nutrition Humaine, Université Nationale d'Agriculture, Sakété, Bénin
- Laboratoire de Sciences et Technologie des Aliments, Faculté des Sciences Agronomiques, Université d'Abomey-Calavi, Jéricho, Bénin
| | - Marcel Houngbédji
- Laboratoire de Sciences et Technologie des Aliments, des Bioressources et de Nutrition Humaine, Université Nationale d'Agriculture, Sakété, Bénin
- Laboratoire de Sciences et Technologie des Aliments, Faculté des Sciences Agronomiques, Université d'Abomey-Calavi, Jéricho, Bénin
| | - Mênouwesso Harold Hounhouigan
- Laboratoire de Sciences et Technologie des Aliments, des Bioressources et de Nutrition Humaine, Université Nationale d'Agriculture, Sakété, Bénin
- Laboratoire de Sciences et Technologie des Aliments, Faculté des Sciences Agronomiques, Université d'Abomey-Calavi, Jéricho, Bénin
| | - Flora Josiane Chadare
- Laboratoire de Sciences et Technologie des Aliments, des Bioressources et de Nutrition Humaine, Université Nationale d'Agriculture, Sakété, Bénin
- Laboratoire de Sciences et Technologie des Aliments, Faculté des Sciences Agronomiques, Université d'Abomey-Calavi, Jéricho, Bénin
| | - Djidjoho Joseph Hounhouigan
- Laboratoire de Sciences et Technologie des Aliments, Faculté des Sciences Agronomiques, Université d'Abomey-Calavi, Jéricho, Bénin
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Wang T, Wei G, Chen F, Ma Q, Huang A. Integrated metabolomics and peptidomics to delineate characteristic metabolites in milk fermented with novel Lactiplantibacillus plantarum L3. Food Chem X 2023; 18:100732. [PMID: 37397209 PMCID: PMC10314206 DOI: 10.1016/j.fochx.2023.100732] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/25/2023] [Accepted: 05/28/2023] [Indexed: 07/04/2023] Open
Abstract
A novel wild-type Lactiplantibacillus plantarum (L. plantarum) L3 with good fermentation characteristics and protein degradation capacity was isolated from raw milk samples. In this study, the metabolites in milk fermented with L. plantarum L3 were investigated by metabolomic and peptidomics analyses. The metabolomics results revealed that the metabolites in milk fermented with L. plantarum L3 were Thr-Pro, Val-Lys, l-creatine, pyridoxine, and muramic acid, which improved the taste and nutritional qualities of the milk. Moreover, the water-soluble peptides derived from L3 fermented milk exhibited high antioxidant properties and angiotensin I-converting enzyme inhibitory (ACEI) activities. Additionally, 152 peptides were found using liquid chromatography-mass spectrometry (LC-MS/MS). Furthermore, endogenous enzymes secreted by L. plantarum L3 cleaved β- and α-casein to release six ACEI peptides (ACEIPs), nineteen antioxidant peptides (AOPs), and five antimicrobial peptides (AMPS). Overall, these findings could be valuable in improving the quality of fermented milk.
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Affiliation(s)
- Teng Wang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Guangqiang Wei
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Faqiang Chen
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Qingwen Ma
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
- Yunnan Normal University, Kunming 650092, Yunnan, China
| | - Aixiang Huang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
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Ali MS, Lee EB, Hsu WH, Suk K, Sayem SAJ, Ullah HMA, Lee SJ, Park SC. Probiotics and Postbiotics as an Alternative to Antibiotics: An Emphasis on Pigs. Pathogens 2023; 12:874. [PMID: 37513721 PMCID: PMC10383198 DOI: 10.3390/pathogens12070874] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 06/23/2023] [Accepted: 06/24/2023] [Indexed: 07/30/2023] Open
Abstract
Probiotics are being used as feed/food supplements as an alternative to antibiotics. It has been demonstrated that probiotics provide several health benefits, including preventing diarrhea, irritable bowel syndrome, and immunomodulation. Alongside probiotic bacteria-fermented foods, the different structural components, such as lipoteichoic acids, teichoic acids, peptidoglycans, and surface-layer proteins, offer several advantages. Probiotics can produce different antimicrobial components, enzymes, peptides, vitamins, and exopolysaccharides. Besides live probiotics, there has been growing interest in consuming inactivated probiotics in farm animals, including pigs. Several reports have shown that live and killed probiotics can boost immunity, modulate intestinal microbiota, improve feed efficiency and growth performance, and decrease the incidence of diarrhea, positioning them as an interesting strategy as a potential feed supplement for pigs. Therefore, effective selection and approach to the use of probiotics might provide essential features of using probiotics as an important functional feed for pigs. This review aimed to systematically investigate the potential effects of lactic acid bacteria in their live and inactivated forms on pigs.
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Affiliation(s)
- Md Sekendar Ali
- Department of Biomedical Science and Department of Pharmacology, School of Medicine, Brain Science and Engineering Institute, Kyungpook National University, Daegu 41944, Republic of Korea
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
- Department of Pharmacy, International Islamic University Chittagong, Kumira, Chittagong 4318, Bangladesh
| | - Eon-Bee Lee
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Walter H Hsu
- Department of Biomedical Sciences, Iowa State University, Ames, IA 50014, USA
| | - Kyoungho Suk
- Department of Biomedical Science and Department of Pharmacology, School of Medicine, Brain Science and Engineering Institute, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Syed Al Jawad Sayem
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - H M Arif Ullah
- Department of Neurobiology, University of Utah, Salt Lake City, UT 84112, USA
| | - Seung-Jin Lee
- Development and Reproductive Toxicology Research Group, Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Seung-Chun Park
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
- Cardiovascular Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
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Fontana A, Falasconi I, Bellassi P, Fanfoni E, Puglisi E, Morelli L. Comparative Genomics of Halobacterium salinarum Strains Isolated from Salted Foods Reveals Protechnological Genes for Food Applications. Microorganisms 2023; 11:microorganisms11030587. [PMID: 36985161 PMCID: PMC10058572 DOI: 10.3390/microorganisms11030587] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/15/2023] [Accepted: 02/22/2023] [Indexed: 03/02/2023] Open
Abstract
Archaeal cell factories are becoming of great interest given their ability to produce a broad range of value-added compounds. Moreover, the Archaea domain often includes extremophilic microorganisms, facilitating their cultivation at the industrial level under nonsterile conditions. Halophilic archaea are studied for their ability to grow in environments with high NaCl concentrations. In this study, nine strains of Halobacterium salinarum were isolated from three different types of salted food, sausage casings, salted codfish, and bacon, and their genomes were sequenced along with the genome of the collection strain CECT 395. A comparative genomic analysis was performed on these newly sequenced genomes and the publicly available ones for a total of 19 H. salinarum strains. We elucidated the presence of unique gene clusters of the species in relation to the different ecological niches of isolation (salted foods, animal hides, and solar saltern sediments). Moreover, genome mining at the single-strain level highlighted the metabolic potential of H. salinarum UC4242, which revealed the presence of different protechnological genes (vitamins and myo-inositol biosynthetic pathways, aroma- and texture-related features, and antimicrobial compounds). Despite the presence of genes of potential concern (e.g., those involved in biogenic amine production), all the food isolates presented archaeocin-related genes (halocin-C8 and sactipeptides).
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Affiliation(s)
- Alessandra Fontana
- Department for Sustainable Food Process—DiSTAS, Università Cattolica del Sacro Cuore, Via Bissolati, 74, 26100 Cremona, Italy
- Correspondence: (A.F.); (L.M.)
| | - Irene Falasconi
- Department for Sustainable Food Process—DiSTAS, Università Cattolica del Sacro Cuore, Via Bissolati, 74, 26100 Cremona, Italy
| | - Paolo Bellassi
- Department for Sustainable Food Process—DiSTAS, Università Cattolica del Sacro Cuore, Via Bissolati, 74, 26100 Cremona, Italy
| | - Elisabetta Fanfoni
- Department for Sustainable Food Process—DiSTAS, Università Cattolica del Sacro Cuore, Via Bissolati, 74, 26100 Cremona, Italy
| | - Edoardo Puglisi
- Department for Sustainable Food Process—DiSTAS, Università Cattolica del Sacro Cuore, Via Emilia Parmense, 84, 29122 Piacenza, Italy
| | - Lorenzo Morelli
- Department for Sustainable Food Process—DiSTAS, Università Cattolica del Sacro Cuore, Via Bissolati, 74, 26100 Cremona, Italy
- Department for Sustainable Food Process—DiSTAS, Università Cattolica del Sacro Cuore, Via Emilia Parmense, 84, 29122 Piacenza, Italy
- Correspondence: (A.F.); (L.M.)
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Owusu-Kwarteng J, Agyei D, Akabanda F, Atuna RA, Amagloh FK. Plant-Based Alkaline Fermented Foods as Sustainable Sources of Nutrients and Health-Promoting Bioactive Compounds. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.885328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Traditional food fermentation is a practice that precedes human history. Acidic products such as yogurts and sourdoughs or alcoholic beverages produced through lactic acid or yeast fermentations, respectively, are widely described and documented. However, a relatively less popular group of fermented products known as alkaline fermented foods are common traditional products in Africa and Asia. These products are so called “alkaline” because the pH tends to increase during fermentation due to the formation of ammonia resulting from protein degradation by Bacillus species. Plant-based alkaline fermented foods (AFFs) are generally produced from legumes including soybean, non-soybean leguminous seeds, and other non-legume plant raw materials. Alkaline fermented food products such as natto, douchi, kinema, doenjang, chongkukjang, thua nao, meitauza, yandou, dawadawa/iru, ugba, kawal, okpehe, otiru, oso, ogiri, bikalga, maari/tayohounta, ntoba mbodi, cabuk, and owoh are produced at small industrial scale or household levels and widely consumed in Asia and Africa where they provide essential nutrients and health-promoting bioactive compounds for the population. Alkaline food fermentation is important for sustainable food security as it contributes to traditional dietary diversity, significantly reduces antinutritional components in raw plant materials thereby improving digestibility, improves health via the production of vitamins, and may confer probiotic and post-biotic effects onto consumers. In this review, we present currently available scientific information on plant-based AFFs and their role as sustainable sources of nutrients and bioactive compounds for improved health. Finally, we provide perspectives on research needs required to harness the full potential of AFFs in contributing to nutrition and health.
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Hossain MN, Senaka Ranadheera C, Fang Z, Ajlouni S. Production of short chain fatty acids and vitamin B12 during the in-vitro digestion and fermentation of probiotic chocolate. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101682] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Gevi F, Leo P, Cassaro A, Pacelli C, de Vera JPP, Rabbow E, Timperio AM, Onofri S. Metabolomic Profile of the Fungus Cryomyces antarcticus Under Simulated Martian and Space Conditions as Support for Life-Detection Missions on Mars. Front Microbiol 2022; 13:749396. [PMID: 35633719 PMCID: PMC9133366 DOI: 10.3389/fmicb.2022.749396] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 03/14/2022] [Indexed: 11/29/2022] Open
Abstract
The identification of traces of life beyond Earth (e.g., Mars, icy moons) is a challenging task because terrestrial chemical-based molecules may be destroyed by the harsh conditions experienced on extraterrestrial planetary surfaces. For this reason, studying the effects on biomolecules of extremophilic microorganisms through astrobiological ground-based space simulation experiments is significant to support the interpretation of the data that will be gained and collected during the ongoing and future space exploration missions. Here, the stability of the biomolecules of the cryptoendolithic black fungus Cryomyces antarcticus, grown on two Martian regolith analogues and on Antarctic sandstone, were analysed through a metabolomic approach, after its exposure to Science Verification Tests (SVTs) performed in the frame of the European Space Agency (ESA) Biology and Mars Experiment (BIOMEX) project. These tests are building a set of ground-based experiments performed before the space exposure aboard the International Space Station (ISS). The analysis aimed to investigate the effects of different mineral mixtures on fungal colonies and the stability of the biomolecules synthetised by the fungus under simulated Martian and space conditions. The identification of a specific group of molecules showing good stability after the treatments allow the creation of a molecular database that should support the analysis of future data sets that will be collected in the ongoing and next space exploration missions.
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Affiliation(s)
- Federica Gevi
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Patrick Leo
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
- Department of Environmental Sciences, Informatics and Statistics, University Ca’ Foscari of Venice, Venice, Italy
| | - Alessia Cassaro
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | | | | | - Elke Rabbow
- German Aerospace Centre, Institute of Aerospace Medicine (DLR), Cologne, Germany
| | - Anna Maria Timperio
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Silvano Onofri
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
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Li D, Peng J, Kwok LY, Zhang W, Sun T. Metabolomic analysis of Streptococcus thermophilus S10-fermented milk. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113368] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Tamene A, Baye K, Humblot C. Folate content of a staple food increased by fermentation of a cereal using selected folate-producing microorganisms. Heliyon 2022; 8:e09526. [PMID: 35663756 PMCID: PMC9157197 DOI: 10.1016/j.heliyon.2022.e09526] [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: 10/13/2021] [Revised: 12/04/2021] [Accepted: 05/18/2022] [Indexed: 11/06/2022] Open
Abstract
Folate deficiencies are widespread in Africa due to predominantly cereal-based diets. The objective of this work was to test the feasibility of using folate-producing microorganisms to increase folate content of tef injera, a traditional Ethiopian fermented staple food. To this end, a strain of Lactobacillus plantarum previously isolated from fermented tef batter and a commercial Saccharomyces cerevisiae were used alone and in combination to prepare injera. Ten successive fermentations using backslopping from the fermented batter prepared with L. plantarum inoculation were performed to mimic the traditional backslopping. The highest folate content was obtained with S. cerevisiae (53.5 μg/100 g fresh material). All the combinations were efficient and could cover up to 22 % of the recommended nutrient intakes. All injera prepared with selected inoculums were preferred by sensory panelists to the traditional one. This work demonstrates the possibility to increase folate intake using folate-producing microorganisms in the conditions normally encountered in households.
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Co-Overexpression of RIB1 and RIB6 Increases Riboflavin Production in the Yeast Candida famata. FERMENTATION 2022. [DOI: 10.3390/fermentation8040141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Riboflavin or vitamin B2 is a water-soluble vitamin and a precursor of flavin coenzymes, flavin mononucleotide, and flavin adenine dinucleotide, which play a key role as enzyme cofactors in energy metabolism. Candida famata yeast is a promising producer of riboflavin, as it belongs to the group of so-called flavinogenic yeasts, capable of riboflavin oversynthesis under conditions of iron starvation. The role of the particular structural genes in the limitation of riboflavin oversynthesis is not known. To study the impact of overexpression of the structural genes of riboflavin synthesis on riboflavin production, a set of plasmids containing genes RIB1, RIB6, and RIB7 in different combinations was constructed. The transformants of the wild-type strain of C. famata, as well as riboflavin overproducer, were obtained, and the synthesis of riboflavin was studied. It was found that overexpression of RIB1 and RIB6 genes coding for enzymes GTP cyclohydrolase II and 3,4-dihydroxy-2-butanone-4-phosphate synthase, which catalase the initial steps of riboflavin synthesis, elevated riboflavin production by 13–28% relative to the parental riboflavin-overproducing strains.
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Syed Yaacob SN, Huyop F, Misson M, Abdul Wahab R, Huda N. Exploring the genome of Lactobacillaceae spp. Sy-1 isolated from Heterotrigona itama honey. PeerJ 2022; 10:e13053. [PMID: 35345581 PMCID: PMC8957270 DOI: 10.7717/peerj.13053] [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: 09/01/2021] [Accepted: 02/12/2022] [Indexed: 01/11/2023] Open
Abstract
Background Honey produced by Heterotrigona itama is highly preferred among consumers due to its high-value as a functional food and beneficial lactic acid bacteria (LAB) reservoir. Fructophilic lactic acid bacteria (FLAB) are a group of LAB with unique growth characteristics and are regarded as promising producers of bioactive compounds. Hence, it is not surprising that LAB, especially FLAB, may be involved with the excellent bioactivity of H. itama honey. With the trending consumer preference for H. itama honey coupled with increasing awareness for healthy food, the genomic background of FLAB isolated from this honey must, therefore, be clearly understood. In this study, one FLAB strain designated as Sy-1 was isolated from freshly collected H. itama honey. Its FLAB behavior and genomic features were investigated to uncover functional genes that could add value to functional food. Methods The fructophilic characteristics of strain Sy-1 were determined, and the genome was sequenced using Illumina iSeq100 and Oxford Nanopore. The average nucleotide identity and phylogenetic analyses based on 16S rRNA, 92 core genes, and whole-genome sequence were performed to unravel the phylogenetic position of strain Sy-1. NCBI Prokaryotic Genome Annotation Pipeline annotated the genome, while the EggNOG-mapper, BLASTKoala, and GHOSTKoala were used to add functional genes and pathways information. Results Strain Sy-1 prefers D-fructose over D-glucose and actively metabolizes D-glucose in the presence of electron acceptors. Genomic annotation of strain Sy-1 revealed few genes involved in carbohydrate transport and metabolism, and partial deletion of adhE gene, in line with the characteristic of FLAB. The 16S rRNA gene sequence of strain Sy-1 showed the highest similarity to unknown LAB species isolated from the gut of honeybees. The phylogenetic analyses discovered that strain Sy-1 belonged to the Lactobacillaceae family and formed a separate branch closer to type strain from the genera of Acetilactobacillus and Apilactobacillus. The ANI analysis showed the similarity of the closest relative, Apilactobacillus micheneri Hlig3T. The assembled genome of Sy-1 contains 3 contigs with 2.03 Mbp and a 41% GC content. A total of 1,785 genes were identified, including 1,685 protein-coding genes, 68 tRNA, and 15 rRNA. Interestingly, strain Sy-1 encoded complete genes for the biosynthesis of folate and riboflavin. High-performance liquid chromatography analysis further confirmed the high production of folic acid (1.346 mg/L) by Sy-1. Discussion Based on phylogenetic and biochemical characteristics, strain Sy-1 should be classified as a novel genus in the family of Lactobacillaceae and a new member of FLAB. The genome information coupled with experimental studies supported the ability of strain Sy-1 to produce high folic acid. Our collective findings support the suitable application of FLAB strain Sy-1 in the functional food and pharmaceutical industries.
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Affiliation(s)
- Syariffah Nuratiqah Syed Yaacob
- Department of Bioscience, Faculty of Science, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia,Enzyme Technology and Green Synthesis Group, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia
| | - Fahrul Huyop
- Department of Bioscience, Faculty of Science, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia,Enzyme Technology and Green Synthesis Group, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia
| | - Mailin Misson
- Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu, Malaysia
| | - Roswanira Abdul Wahab
- Enzyme Technology and Green Synthesis Group, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia,Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia
| | - Nurul Huda
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu, Malaysia
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The Probiotic Properties of Lactic Acid Bacteria and Their Applications in Animal Husbandry. Curr Microbiol 2021; 79:22. [PMID: 34905106 DOI: 10.1007/s00284-021-02722-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 11/13/2021] [Indexed: 12/17/2022]
Abstract
The intestinal tract of animals is a complex ecosystem in which nutrients, microbiota and host cells interact extensively. Probiotics can be considered as part of the natural microbiota of the gut and are involved in improving homeostasis. Lactic acid bacteria (LAB) is a general term for a class of non-spore forming, gram-positive bacteria whose main product of fermented sugar is lactic acid. LAB are considered to be a type of probiotic due to their health-promoting effects on the host, and are very effective in the treatment of human and animal diseases. LAB have been widely used as a class of microbial agents in the field of livestock and poultry breeding. They are also considered to be the best substitutes for antibiotics to improve animal health. Here, we review the biological functions, probiotic characteristics and applications of LAB in livestock and poultry breeding. This review is designed to provide a theoretical base for the in-depth exploration and promotion of LAB use in animal diets.
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15
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Guan Q, Ding XW, Zhong LY, Zhu C, Nie P, Song LH. Beneficial effects of Lactobacillus-fermented black barley on high fat diet-induced fatty liver in rats. Food Funct 2021; 12:6526-6539. [PMID: 34095944 DOI: 10.1039/d1fo00290b] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A long-term high-fat (HF) diet can cause metabolic disorders, which might induce visceral obesity and ectopic triglyceride storage (e.g., hepatic steatosis), and increase hepatic oxidative stress. Oxidative stress plays a significant role in the development of complications associated with obesity. Fermented whole cereal foods exhibit healthy potential due to their unique phytochemical composition and the presence of probiotics. In the present study, the regular nutrients and phytochemicals of Lactobacillus-fermented black barley (Hordeum distichum L.) were analyzed. Further, the black barley fermentation broth (1 mL per 100 g BW per d, equivalent to 1 mL per kg BW of daily human intake) was administered orally to the rats fed on a high fat diet (HF). The anti-oxidative activity and hepatic metabolic profile of Lactobacillus-fermented black barley were investigated. The results showed that the fermentation processing significantly increased the contents of polyphenols (e.g., ferulic acid, etc.), flavonoids (e.g., flavone, etc.), vitamin B1 and B2, partial mineral elements (e.g., Ca, etc.), and thymine. Furthermore, compared to the HF-fed only rats, fermented black barley treatment significantly increased the activities of SOD (superoxide dismutase) and GSH-PX (glutathione peroxidase), and decreased the level of TBARS (thiobarbituric acid reactive substances) in serum, the levels of TG (triglyceride), TC (total cholesterol), NEFA (non-esterified fatty acid) in the liver, and the levels of TC, NEFA in the adipose tissue. This suggested the beneficial effects of fermented black barley on ameliorating oxidative stress and hepatic steatosis, which could be attributed to its regulatory role in the hepatic metabolism of glycerophospholipids, nicotinate and nicotinamide, glutathione, and nucleotide, and on the expression of genes related to oxidative stress (Heat shock protein 90 and reactive oxygen species modulator 1).
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Affiliation(s)
- Qi Guan
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
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Probiotic Potential of a Novel Vitamin B2-Overproducing Lactobacillus plantarum Strain, HY7715, Isolated from Kimchi. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11135765] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Vitamin B2, also known as riboflavin, is essential for maintaining human health. The purpose of this study was to isolate novel lactic acid bacteria that overproduce vitamin B2 and to validate their potential as probiotics. In this study, Lactobacillus plantarum HY7715 (HY7715) was selected among lactic acid bacteria isolated from Kimchi. HY7715 showed a very high riboflavin-producing ability compared to the control strain due to the high expression of ribA, ribB, ribC, ribH, and ribG genes. HY7715 produced 34.5 ± 2.41 mg/L of riboflavin for 24 h without consuming riboflavin in the medium under optimal growth conditions. It was able to produce riboflavin in an in vitro model of the intestinal environment. In addition, when riboflavin deficiency was induced in mice through nutritional restriction, higher levels of riboflavin were detected in plasma and urine in the HY7715 administration group than in the control group. HY7715 showed high survival rate in simulated gastrointestinal conditions and had antibiotic resistance below the cutoff MIC value suggested by the European Food Safety Authority; moreover, it did not cause hemolysis. In conclusion, HY7715 could be considered a beneficial probiotic strain for human and animal applications, suggesting that it could be a new alternative to address riboflavin deficiency.
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Vincenti A, Bertuzzo L, Limitone A, D’Antona G, Cena H. Perspective: Practical Approach to Preventing Subclinical B12 Deficiency in Elderly Population. Nutrients 2021; 13:1913. [PMID: 34199569 PMCID: PMC8226782 DOI: 10.3390/nu13061913] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/25/2021] [Accepted: 05/30/2021] [Indexed: 12/11/2022] Open
Abstract
Vitamin B12 (also known as cobalamin) is an essential water-soluble vitamin that plays a pivotal role for several physiologic functions during one's lifespan. Only certain microorganisms are able to synthetize B12, thus humans obtain cobalamin exclusively from their diet, specifically from animal-derived foods. Specific sub-group populations are at risk of vitamin B12 subclinical deficiency due to different factors including poor intake of animal source foods and age-dependent decrease in the capacity of intestinal B12 uptake. Consumption of animal products produces some negative health issues and negatively impacts sustainability while a plant-based diet increases the risk of B12 deficiency. Taking a cue from the aforementioned considerations, this narrative review aims to summarize facts about B12 deficiency and the burden of inadequate dietary intake in elderly population, as well as to discuss sustainable approaches to vitamin B12 deficiency in aging population.
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Affiliation(s)
- Alessandra Vincenti
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy;
| | - Laura Bertuzzo
- Glaxosmithkline (GSK) Consumer Healthcare, via Zambeletti s.n.c., 20021 Baranzate, Italy; (L.B.); (A.L.)
| | - Antonio Limitone
- Glaxosmithkline (GSK) Consumer Healthcare, via Zambeletti s.n.c., 20021 Baranzate, Italy; (L.B.); (A.L.)
| | - Giuseppe D’Antona
- Centro di Ricerca Interdipartimentale nelle Attività Motorie e Sportive (CRIAMS)—Sport Medicine Centre, University of Pavia, 27058 Voghera, Italy;
| | - Hellas Cena
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy;
- Clinical Nutrition and Dietetics Service, Unit of Internal Medicine and Endocrinology, ICS Maugeri IRCCS, 27100 Pavia, Italy
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Dank A, Zeng Z, Boeren S, Notebaart RA, Smid EJ, Abee T. Bacterial Microcompartment-Dependent 1,2-Propanediol Utilization of Propionibacterium freudenreichii. Front Microbiol 2021; 12:679827. [PMID: 34054787 PMCID: PMC8149966 DOI: 10.3389/fmicb.2021.679827] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 04/16/2021] [Indexed: 12/28/2022] Open
Abstract
Bacterial microcompartments (BMCs) are proteinaceous prokaryotic organelles that enable the utilization of substrates such as 1,2-propanediol and ethanolamine. BMCs are mostly linked to the survival of particular pathogenic bacteria by providing a growth advantage through utilization of 1,2-propanediol and ethanolamine which are abundantly present in the human gut. Although a 1,2-propanediol utilization cluster was found in the probiotic bacterium Propionibacterium freudenreichii, BMC-mediated metabolism of 1,2-propanediol has not been demonstrated experimentally in P. freudenreichii. In this study we show that P. freudenreichii DSM 20271 metabolizes 1,2-propanediol in anaerobic conditions to propionate and 1-propanol. Furthermore, 1,2-propanediol induced the formation of BMCs, which were visualized by transmission electron microscopy and resembled BMCs found in other bacteria. Proteomic analysis of 1,2-propanediol grown cells compared to L-lactate grown cells showed significant upregulation of proteins involved in propanediol-utilization (pdu-cluster), DNA repair mechanisms and BMC shell proteins while proteins involved in oxidative phosphorylation were down-regulated. 1,2-Propanediol utilizing cells actively produced vitamin B12 (cobalamin) in similar amounts as cells growing on L-lactate. The ability to metabolize 1,2-propanediol may have implications for human gut colonization and modulation, and can potentially aid in delivering propionate and vitamin B12in situ.
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Affiliation(s)
- Alexander Dank
- Food Microbiology, Wageningen University and Research, Wageningen, Netherlands
| | - Zhe Zeng
- Food Microbiology, Wageningen University and Research, Wageningen, Netherlands
| | - Sjef Boeren
- Laboratory of Biochemistry, Wageningen University and Research, Wageningen, Netherlands
| | - Richard A Notebaart
- Food Microbiology, Wageningen University and Research, Wageningen, Netherlands
| | - Eddy J Smid
- Food Microbiology, Wageningen University and Research, Wageningen, Netherlands
| | - Tjakko Abee
- Food Microbiology, Wageningen University and Research, Wageningen, Netherlands
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Nordstedt NP, Jones ML. Genomic Analysis of Serratia plymuthica MBSA-MJ1: A Plant Growth Promoting Rhizobacteria That Improves Water Stress Tolerance in Greenhouse Ornamentals. Front Microbiol 2021; 12:653556. [PMID: 34046022 PMCID: PMC8144289 DOI: 10.3389/fmicb.2021.653556] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 04/14/2021] [Indexed: 12/26/2022] Open
Abstract
Water stress decreases the health and quality of horticulture crops by inhibiting photosynthesis, transpiration, and nutrient uptake. Application of plant growth promoting rhizobacteria (PGPR) can increase the growth, stress tolerance, and overall quality of field and greenhouse grown crops subjected to water stress. Here, we evaluated Serratia plymuthica MBSA-MJ1 for its ability to increase plant growth and quality of Petunia × hybrida (petunia), Impatiens walleriana (impatiens), and Viola × wittrockiana (pansy) plants recovering from severe water stress. Plants were treated weekly with inoculum of MBSA-MJ1, and plant growth and quality were evaluated 2 weeks after recovery from water stress. Application of S. plymuthica MBSA-MJ1 increased the visual quality and shoot biomass of petunia and impatiens and increased the flower number of petunia after recovery from water stress. In addition, in vitro characterizations showed that MBSA-MJ1 is a motile bacterium with moderate levels of antibiotic resistance that can withstand osmotic stress. Further, comprehensive genomic analyses identified genes putatively involved in bacterial osmotic and oxidative stress responses and the synthesis of osmoprotectants and vitamins that could potentially be involved in increasing plant water stress tolerance. This work provides a better understanding of potential mechanisms involved in beneficial plant-microbe interactions under abiotic stress using a novel S. plymuthica strain as a model.
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Affiliation(s)
- Nathan P Nordstedt
- Department of Horticulture and Crop Science, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH, United States
| | - Michelle L Jones
- Department of Horticulture and Crop Science, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH, United States
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Bear T, Dalziel J, Coad J, Roy N, Butts C, Gopal P. The Microbiome-Gut-Brain Axis and Resilience to Developing Anxiety or Depression under Stress. Microorganisms 2021; 9:723. [PMID: 33807290 PMCID: PMC8065970 DOI: 10.3390/microorganisms9040723] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 03/29/2021] [Accepted: 03/29/2021] [Indexed: 02/07/2023] Open
Abstract
Episodes of depression and anxiety commonly follow the experience of stress, however not everyone who experiences stress develops a mood disorder. Individuals who are able to experience stress without a negative emotional effect are considered stress resilient. Stress-resilience (and its counterpart stress-susceptibility) are influenced by several psychological and biological factors, including the microbiome-gut-brain axis. Emerging research shows that the gut microbiota can influence mood, and that stress is an important variable in this relationship. Stress alters the gut microbiota and plausibly this could contribute to stress-related changes in mood. Most of the reported research has been conducted using animal models and demonstrates a relationship between gut microbiome and mood. The translational evidence from human clinical studies however is rather limited. In this review we examine the microbiome-gut-brain axis research in relation to stress resilience.
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Affiliation(s)
- Tracey Bear
- School of Food and Advanced Technology, Massey University, Palmerston North 4442, New Zealand;
- The New Zealand Institute for Plant and Food Research Limited, Palmerston North 4410, New Zealand; (C.B.); (P.G.)
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand; (J.D.); (N.R.)
| | - Julie Dalziel
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand; (J.D.); (N.R.)
- Smart Foods Innovation Centre of Excellence, AgResearch, Palmerston North 4442, New Zealand
| | - Jane Coad
- School of Food and Advanced Technology, Massey University, Palmerston North 4442, New Zealand;
| | - Nicole Roy
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand; (J.D.); (N.R.)
- Department of Human Nutrition, Otago University, Dunedin 9016, New Zealand
- High-Value Nutrition National Science Challenge, Auckland 1145, New Zealand
| | - Christine Butts
- The New Zealand Institute for Plant and Food Research Limited, Palmerston North 4410, New Zealand; (C.B.); (P.G.)
| | - Pramod Gopal
- The New Zealand Institute for Plant and Food Research Limited, Palmerston North 4410, New Zealand; (C.B.); (P.G.)
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand; (J.D.); (N.R.)
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21
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Trzeciak P, Herbet M. Role of the Intestinal Microbiome, Intestinal Barrier and Psychobiotics in Depression. Nutrients 2021; 13:927. [PMID: 33809367 PMCID: PMC8000572 DOI: 10.3390/nu13030927] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/07/2021] [Accepted: 03/08/2021] [Indexed: 12/18/2022] Open
Abstract
The intestinal microbiota plays an important role in the pathophysiology of depression. As determined, the microbiota influences the shaping and modulation of the functioning of the gut-brain axis. The intestinal microbiota has a significant impact on processes related to neurotransmitter synthesis, the myelination of neurons in the prefrontal cortex, and is also involved in the development of the amygdala and hippocampus. Intestinal bacteria are also a source of vitamins, the deficiency of which is believed to be related to the response to antidepressant therapy and may lead to exacerbation of depressive symptoms. Additionally, it is known that, in periods of excessive activation of stress reactions, the immune system also plays an important role, negatively affecting the tightness of the intestinal barrier and intestinal microflora. In this review, we have summarized the role of the gut microbiota, its metabolites, and diet in susceptibility to depression. We also describe abnormalities in the functioning of the intestinal barrier caused by increased activity of the immune system in response to stressors. Moreover, the presented study discusses the role of psychobiotics in the prevention and treatment of depression through their influence on the intestinal barrier, immune processes, and functioning of the nervous system.
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Affiliation(s)
| | - Mariola Herbet
- Chair and Department of Toxicology, Faculty of Pharmacy, Medical University of Lublin, Jaczewskiego 8b Street, 20-090 Lublin, Poland;
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22
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Mahmoud GAE, Bashandy SR. Nitrogen, Amino Acids, and Carbon as Control Factors of Riboflavin Production by Novosphingobium panipatense-SR3 (MT002778). Curr Microbiol 2021; 78:1577-1589. [PMID: 33675404 DOI: 10.1007/s00284-021-02376-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 02/05/2021] [Indexed: 10/22/2022]
Abstract
By increasing the environmental pollution, crop losses, and side effects of chemically synthesized vitamins; new vitamin sources should be included. Through this study, we introduce novel riboflavin bacterial producer Novosphingobium panipatense-SR3 (MT002778) and tested various nutritional factors with interactions effects on the production abilities. Yeast extract, maltose, and glycine were the best nitrogen, carbon, and amino acid sources for enhancing the production, respectively. The interaction between the previous factors with three concentrations of each (+, 0, -) studied statistically using Box-Behnken statistical quadric design 13- run. The perfect interaction increases the production to 497.12 mg/l (predicted 489.45 mg/l) using 30 g/l maltose, 10 g/l yeast extract, and 1 g/l glycine. The F and P- values of the tested model of riboflavin and OD600 indicating significant results with probability ≤ 0.05. Also, the evaluating statistical parameter coefficient (R2) was 0.994 of riboflavin and 0.992 of OD600 with adjusted R2 value 0.976, and 0.967, respectively, which indicated that the whole variations were explained highly by the statistical model. The novel producer proved its high riboflavin production ability especially under the optimized conditions comparing with previous producers and represents a new high-speed riboflavin producer that could utilize in the industrial process.
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Affiliation(s)
| | - Shymaa Ryhan Bashandy
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
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Rajabi-Khamseh S, Danesh Shahraki A, Rafieiolhossaini M, Saeidi K. Bacterial inoculation positively affects the quality and quantity of flax under deficit irrigation regimes. J Appl Microbiol 2020; 131:321-338. [PMID: 33211366 DOI: 10.1111/jam.14934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 11/03/2020] [Accepted: 11/13/2020] [Indexed: 11/27/2022]
Abstract
AIM The present research was conducted to investigate the effect of plant growth-promoting rhizobacteria (PGPR) and deficit irrigation on quality and quantity of flax under field and pot conditions to determine bacterial efficiency and to decrease water deficit effects. METHODS AND RESULTS Initially, in vitro experiments were performed to determine the growth-promoting characteristics of bacteria. Then in the field, the effects of bacterial inoculation (control, Azotobacter chroococcum, Azospirillum lipoferum, Bacillus amyloliquefaciens, Bacillus sp. strain1 and Pseudomonas putida) on flax traits were evaluated at different irrigation levels (100, 75 and 50% crop water requirement). Bacterial treatments in the pot experiment were selected based on the field experiment results. The irrigation regimes in the pot and field experiments were the same and bacterial treatments included single, doublet and triplet applications of the bacteria. All the bacterial strains could solubilize phosphate, produce ammonia (except for Bacillus sp. strain1), indole acetic acid and siderophore (except P. putida). Field results indicated that the bacteria significantly mitigated the effects of water deficit. Compared with control plants, bacterial treatments increased the oil, linolenic acid, protein and sulphur content; the number of shoots and capsules; and the harvest index in the flax plants. Pot experimental results revealed that the combined inoculations were more effective than single inoculum treatments. CONCLUSIONS Bacterial inoculation alleviates deficit irrigation effects in flax plants. SIGNIFICANCE AND IMPACT OF THE STUDY The effectiveness of applying A. chroococcum, B. amyloliquefaciens and Bacillus sp. strain1 was confirmed, especially as a combination to protect flax against water deficit and to improve its nutritional quality and growth.
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Affiliation(s)
- S Rajabi-Khamseh
- Department of Agronomy, Faculty of Agriculture, Shahrekord University, Shahrekord, Iran
| | - A Danesh Shahraki
- Department of Agronomy, Faculty of Agriculture, Shahrekord University, Shahrekord, Iran
| | - M Rafieiolhossaini
- Department of Agronomy, Faculty of Agriculture, Shahrekord University, Shahrekord, Iran
| | - K Saeidi
- Department of Horticulture, Faculty of Agriculture, Shahrekord University, Shahrekord, Iran
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Sonbarse PP, Kiran K, Sharma P, Parvatam G. Biochemical and molecular insights of PGPR application for the augmentation of carotenoids, tocopherols, and folate in the foliage of Moringa oleifera. PHYTOCHEMISTRY 2020; 179:112506. [PMID: 32920264 DOI: 10.1016/j.phytochem.2020.112506] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/20/2020] [Accepted: 08/25/2020] [Indexed: 06/11/2023]
Abstract
Plant Growth Promoting Rhizobacteria (PGPR) were utilized to contemplate their impact on the foliage of Moringa oleifera and examined for changes in tocopherols, chlorophyll, carotenoids, and folate in the sixth week. Among the eight treatments, Bacillus subtilis GB03, B. pumilus SE34, B. pumilus T4, and Pseudomonas fluorescens UOM14 improved α-tocopherol (10-14 fold) and β-carotene (1-1.40 fold) altogether significantly (P ≤ 0.05). The most significant improvement in folate content was apparent for B. subtilis IN937B (5.47 fold) trailed by B. pumilus SE34 (5.05 fold) and B. pumilus T4 (5.12 fold) treatments. P. fluorescens UOM14 indicated remarkable improvement in Chl a (0.39 fold) and Chl b (0.44 fold) content. Organisms showing a significant increase for the analyzed molecules in individual treatment were blended in different combinations and were used for the next set of treatments. Of all the three combinations, Combination 2 (COM2-B. pumilus SE34 + B. pumilus T4 + B. pumilus INR7) showed the maximum increase in α-tocopherol (8.46 fold) and γ-tocopherol (8.45 fold), followed by Combination 3 (COM3-B. pumilus SE34 + B. pumilus T4 + P. fluorescens UOM14) (5.93 and 3.65 fold). On the whole COM2 containing different strains of B. pumilus was found to enhance the targeted metabolites in foliage significantly. Real-time PCR studies were conducted for the biochemical pathway genes of the targeted molecules, including, γ-tocopherol methyltransferase (γ-TMT), phytoene synthase (PSY), phytoene desaturase (PDS), lycopene β cyclase (LBC) and dihydrofolate reductase thymidylate synthase (DHFR-TS). All the selected genes exhibited an up-regulation compared to control, similar to the biochemical output. Our investigation provides the strong evidence that PGPR can be viably utilized in combination to enhance the quality of the food crops.
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Affiliation(s)
- Priyanka P Sonbarse
- Academy of Scientific and Innovative Research, Ghaziabad, India; Plant Cell Biotechnology Department, CSIR- Central Food Technological Research Institute, Mysore, 570020, India
| | - Kamireddy Kiran
- Academy of Scientific and Innovative Research, Ghaziabad, India; Plant Cell Biotechnology Department, CSIR- Central Food Technological Research Institute, Mysore, 570020, India
| | - Preksha Sharma
- Plant Cell Biotechnology Department, CSIR- Central Food Technological Research Institute, Mysore, 570020, India
| | - Giridhar Parvatam
- Academy of Scientific and Innovative Research, Ghaziabad, India; Plant Cell Biotechnology Department, CSIR- Central Food Technological Research Institute, Mysore, 570020, India.
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Zhu YY, Thakur K, Feng JY, Cai JS, Zhang JG, Hu F, Wei ZJ. B-vitamin enriched fermented soymilk: A novel strategy for soy-based functional foods development. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.08.019] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Petrovska Y, Lyzak O, Dmytruk K, Sibirny A. Effect of Gene SFU1 on Riboflavin Synthesis in Flavinogenic Yeast Candida famata. CYTOL GENET+ 2020. [DOI: 10.3103/s0095452720050060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Andreieva Y, Lyzak O, Liu W, Kang Y, Dmytruk K, Sibirny A. SEF1 and VMA1 Genes Regulate Riboflavin Biosynthesis in the Flavinogenic Yeast Candida Famata. CYTOL GENET+ 2020. [DOI: 10.3103/s0095452720050023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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28
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Sela I, Yaskolka Meir A, Brandis A, Krajmalnik-Brown R, Zeibich L, Chang D, Dirks B, Tsaban G, Kaplan A, Rinott E, Zelicha H, Arinos S, Ceglarek U, Isermann B, Lapidot M, Green R, Shai I. Wolffia globosa-Mankai Plant-Based Protein Contains Bioactive Vitamin B 12 and Is Well Absorbed in Humans. Nutrients 2020; 12:nu12103067. [PMID: 33049929 PMCID: PMC7600829 DOI: 10.3390/nu12103067] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 10/02/2020] [Accepted: 10/04/2020] [Indexed: 12/16/2022] Open
Abstract
Background: Rare plants that contain corrinoid compounds mostly comprise cobalamin analogues, which may compete with cobalamin (vitamin B12 (B12)) metabolism. We examined the presence of B12 in a cultivated strain of an aquatic plant: Wolffia globosa (Mankai), and predicted functional pathways using gut-bioreactor, and the effects of long-term Mankai consumption as a partial meat substitute, on serum B12 concentrations. Methods: We used microbiological assay, liquid-chromatography/electrospray-ionization-tandem-mass-spectrometry (LC-MS/MS), and anoxic bioreactors for the B12 experiments. We explored the effect of a green Mediterranean/low-meat diet, containing 100 g of frozen Mankai shake/day, on serum B12 levels during the 18-month DIRECT-PLUS (ID:NCT03020186) weight-loss trial, compared with control and Mediterranean diet groups. Results: The B12 content of Mankai was consistent at different seasons (p = 0.76). Several cobalamin congeners (Hydroxocobalamin(OH-B12); 5-deoxyadenosylcobalamin(Ado-B12); methylcobalamin(Me-B12); cyanocobalamin(CN-B12)) were identified in Mankai extracts, whereas no pseudo B12 was detected. A higher abundance of 16S-rRNA gene amplicon sequences associated with a genome containing a KEGG ortholog involved in microbial B12 metabolism were observed, compared with control bioreactors that lacked Mankai. Following the DIRECT-PLUS intervention (n = 294 participants; retention-rate = 89%; baseline B12 = 420.5 ± 187.8 pg/mL), serum B12 increased by 5.2% in control, 9.9% in Mediterranean, and 15.4% in Mankai-containing green Mediterranean/low-meat diets (p = 0.025 between extreme groups). Conclusions: Mankai plant contains bioactive B12 compounds and could serve as a B12 plant-based food source.
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Affiliation(s)
- Ilan Sela
- Research and Development Department, Hinoman Ltd., Rishon Lezion 7546302, Israel; (I.S.); (S.A.); (M.L.)
| | - Anat Yaskolka Meir
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; (A.Y.M.); (G.T.); (A.K.); (E.R.); (H.Z.)
| | - Alexander Brandis
- Targeted Metabolomics Unit, Life Sciences Core Facilities Weizmann Institute of Science, Rehovot 76100, Israel;
| | - Rosa Krajmalnik-Brown
- School of Sustainable Engineering and the Built Environment, Biodesign Center for Health Through Microbiomes, Arizona State University, Tempe, AZ 85281, USA;
| | - Lydia Zeibich
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ 85287, USA; (L.Z.); (D.C.); (B.D.)
| | - Debbie Chang
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ 85287, USA; (L.Z.); (D.C.); (B.D.)
| | - Blake Dirks
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ 85287, USA; (L.Z.); (D.C.); (B.D.)
| | - Gal Tsaban
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; (A.Y.M.); (G.T.); (A.K.); (E.R.); (H.Z.)
| | - Alon Kaplan
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; (A.Y.M.); (G.T.); (A.K.); (E.R.); (H.Z.)
| | - Ehud Rinott
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; (A.Y.M.); (G.T.); (A.K.); (E.R.); (H.Z.)
| | - Hila Zelicha
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; (A.Y.M.); (G.T.); (A.K.); (E.R.); (H.Z.)
| | - Shira Arinos
- Research and Development Department, Hinoman Ltd., Rishon Lezion 7546302, Israel; (I.S.); (S.A.); (M.L.)
| | - Uta Ceglarek
- Institute for Laboratory Medicine, University of Leipzig Medical Center, 04103 Leipzig, Germany; (U.C.); (B.I.)
| | - Berend Isermann
- Institute for Laboratory Medicine, University of Leipzig Medical Center, 04103 Leipzig, Germany; (U.C.); (B.I.)
| | - Miri Lapidot
- Research and Development Department, Hinoman Ltd., Rishon Lezion 7546302, Israel; (I.S.); (S.A.); (M.L.)
| | - Ralph Green
- Department of Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento, CA 95817, USA
- Correspondence: (R.G.); (I.S.); Tel.: +916-734-8078 (R.G.); +972-8-647-7449/3 (I.S.); Fax: +916-734-0299 (R.G.); +972-8-647-7637/8 (I.S.)
| | - Iris Shai
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; (A.Y.M.); (G.T.); (A.K.); (E.R.); (H.Z.)
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
- Correspondence: (R.G.); (I.S.); Tel.: +916-734-8078 (R.G.); +972-8-647-7449/3 (I.S.); Fax: +916-734-0299 (R.G.); +972-8-647-7637/8 (I.S.)
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29
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Levit R, Savoy de Giori G, de Moreno de LeBlanc A, LeBlanc JG. Recent update on lactic acid bacteria producing riboflavin and folates: application for food fortification and treatment of intestinal inflammation. J Appl Microbiol 2020; 130:1412-1424. [PMID: 32955761 DOI: 10.1111/jam.14854] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/01/2020] [Accepted: 09/07/2020] [Indexed: 12/12/2022]
Abstract
Lactic acid bacteria (LAB), widely used as starter cultures for the fermentation of a large variety of food, can improve the safety, shelf life, nutritional value and overall quality of the fermented products. In this regard, the selection of strains delivering health-promoting compounds is now the main objective of many researchers. Although most LAB are auxotrophic for several vitamins, it is known that certain strains have the capability to synthesize B-group vitamins. This is an important property since humans cannot synthesize most vitamins, and these could be obtained by consuming LAB fermented foods. This review discusses the use of LAB as an alternative to fortification by the chemical synthesis to increase riboflavin and folate concentrations in food. Moreover, it provides an overview of the recent applications of vitamin-producing LAB with anti-inflammatory/antioxidant activities against gastrointestinal tract inflammation. This review shows the potential uses of riboflavin and folates producing LAB for the biofortification of food, as therapeutics against intestinal pathologies and to complement anti-inflammatory/anti-neoplastic treatments.
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Affiliation(s)
- R Levit
- Centro de Referencia para Lactobacilos (CERELA-CONICET), San Miguel de Tucumán, Tucumán, Argentina
| | - G Savoy de Giori
- Centro de Referencia para Lactobacilos (CERELA-CONICET), San Miguel de Tucumán, Tucumán, Argentina.,Cátedra de Microbiología Superior, Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, San Miguel de Tucumán, Tucumán, Argentina
| | - A de Moreno de LeBlanc
- Centro de Referencia para Lactobacilos (CERELA-CONICET), San Miguel de Tucumán, Tucumán, Argentina
| | - J G LeBlanc
- Centro de Referencia para Lactobacilos (CERELA-CONICET), San Miguel de Tucumán, Tucumán, Argentina
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30
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Andreieva Y, Petrovska Y, Lyzak O, Liu W, Kang Y, Dmytruk K, Sibirny A. Role of the regulatory genes SEF1, VMA1 and SFU1 in riboflavin synthesis in the flavinogenic yeast Candida famata (Candida flareri). Yeast 2020; 37:497-504. [PMID: 32529692 DOI: 10.1002/yea.3503] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 05/05/2020] [Accepted: 06/07/2020] [Indexed: 11/11/2022] Open
Abstract
Riboflavin or vitamin B2 is an essential dietary component for humans and animals that is the precursor of flavin coenzymes flavin mononucleotide and flavin adenine dinucleotide involved in numerous enzymatic reactions. The flavinogenic yeast Candida famata overproduces riboflavin under iron starvation; however, regulation of this process is poorly understood. Regulatory gene SEF1 encoding transcription activator has been identified. Its deletion blocks yeast ability to overproduce riboflavin under iron starvation. It was shown here that the SEF1 promoters from other flavinogenic (Candida albicans) and non-flavinogenic (Candida tropicalis) yeasts fused with the open reading frame (ORF) of SEF1 gene from C. famata are able to restore riboflavin oversynthesis in sef1Δ mutants. It is known that in the pathogenic flavinogenic yeast C. albicans, Sfu1 (GATA-type transcription factor) represses SEF1. Here, we found that deletion of SFU1 gene in wild-type C. famata leads to riboflavin oversynthesis. Moreover, it was shown that disruption of VMA1 gene (coding for vacuolar ATPase subunit A) also results in riboflavin oversynthesis in C. famata.
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Affiliation(s)
- Yuliia Andreieva
- Department of Molecular Biology and Biotechnology, Institute of Cell Biology, National Academy of Sciences of Ukraine, Lviv, Ukraine
| | - Yana Petrovska
- Department of Molecular Biology and Biotechnology, Institute of Cell Biology, National Academy of Sciences of Ukraine, Lviv, Ukraine
| | - Oleksii Lyzak
- Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Wen Liu
- Department of Molecular Biology and Biotechnology, Institute of Cell Biology, National Academy of Sciences of Ukraine, Lviv, Ukraine.,Key Laboratory of Medical Microbiology and Parasitology of Education Department of Guizhou, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Yingqian Kang
- Key Laboratory of Medical Microbiology and Parasitology of Education Department of Guizhou, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China.,Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education of Guizhou & Guizhou Talent Base for Microbiology and Human Health, Guiyang, China
| | - Kostyantyn Dmytruk
- Department of Molecular Biology and Biotechnology, Institute of Cell Biology, National Academy of Sciences of Ukraine, Lviv, Ukraine
| | - Andriy Sibirny
- Department of Molecular Biology and Biotechnology, Institute of Cell Biology, National Academy of Sciences of Ukraine, Lviv, Ukraine.,Department of Biotechnology and Microbiology, University of Rzeszow, Rzeszow, Poland
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31
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Bear TLK, Dalziel JE, Coad J, Roy NC, Butts CA, Gopal PK. The Role of the Gut Microbiota in Dietary Interventions for Depression and Anxiety. Adv Nutr 2020; 11:890-907. [PMID: 32149335 PMCID: PMC7360462 DOI: 10.1093/advances/nmaa016] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 12/16/2019] [Accepted: 02/17/2020] [Indexed: 12/12/2022] Open
Abstract
There is emerging evidence that an unhealthy dietary pattern may increase the risk of developing depression or anxiety, whereas a healthy dietary pattern may decrease it. This nascent research suggests that dietary interventions could help prevent, or be an alternative or adjunct therapy for, depression and anxiety. The relation, however, is complex, affected by many confounding variables, and is also likely to be bidirectional, with dietary choices being affected by stress and depression. This complexity is reflected in the data, with sometimes conflicting results among studies. As the research evolves, all characteristics of the relation need to be considered to ensure that we obtain a full understanding, which can potentially be translated into clinical practice. A parallel and fast-growing body of research shows that the gut microbiota is linked with the brain in a bidirectional relation, commonly termed the microbiome-gut-brain axis. Preclinical evidence suggests that this axis plays a key role in the regulation of brain function and behavior. In this review we discuss possible reasons for the conflicting results in diet-mood research, and present examples of areas of the diet-mood relation in which the gut microbiota is likely to be involved, potentially explaining some of the conflicting results from diet and depression studies. We argue that because diet is one of the most significant factors that affects human gut microbiota structure and function, nutritional intervention studies need to consider the gut microbiota as an essential piece of the puzzle.
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Affiliation(s)
- Tracey L K Bear
- School of Food and Advanced Technology, Massey University, Palmerston North, New Zealand
- Riddet Institute, Massey University, Palmerston North, New Zealand
- The New Zealand Institute for Plant and Food Research Limited, Palmerston North, New Zealand
| | - Julie E Dalziel
- Riddet Institute, Massey University, Palmerston North, New Zealand
- AgResearch Ltd Grasslands Research Centre, Palmerston North, New Zealand
| | - Jane Coad
- School of Food and Advanced Technology, Massey University, Palmerston North, New Zealand
| | - Nicole C Roy
- Riddet Institute, Massey University, Palmerston North, New Zealand
- AgResearch Ltd Grasslands Research Centre, Palmerston North, New Zealand
- High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Christine A Butts
- The New Zealand Institute for Plant and Food Research Limited, Palmerston North, New Zealand
| | - Pramod K Gopal
- Riddet Institute, Massey University, Palmerston North, New Zealand
- The New Zealand Institute for Plant and Food Research Limited, Palmerston North, New Zealand
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32
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Jing TZ, Qi FH, Wang ZY. Most dominant roles of insect gut bacteria: digestion, detoxification, or essential nutrient provision? MICROBIOME 2020; 8:38. [PMID: 32178739 PMCID: PMC7077154 DOI: 10.1186/s40168-020-00823-y] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 03/05/2020] [Indexed: 05/21/2023]
Abstract
BACKGROUND The insect gut microbiota has been shown to contribute to the host's digestion, detoxification, development, pathogen resistance, and physiology. However, there is poor information about the ranking of these roles. Most of these results were obtained with cultivable bacteria, whereas the bacterial physiology may be different between free-living and midgut-colonizing bacteria. In this study, we provided both proteomic and genomic evidence on the ranking of the roles of gut bacteria by investigating the anal droplets from a weevil, Cryptorhynchus lapathi. RESULTS The gut lumen and the anal droplets showed qualitatively and quantitatively different subsets of bacterial communities. The results of 16S rRNA sequencing showed that the gut lumen is dominated by Proteobacteria and Bacteroidetes, whereas the anal droplets are dominated by Proteobacteria. From the anal droplets, enzymes involved in 31 basic roles that belong to 7 super roles were identified by Q-TOF MS. The cooperation between the weevil and its gut bacteria was determined by reconstructing community pathway maps, which are defined in this study. A score was used to rank the gut bacterial roles. The results from the proteomic data indicate that the most dominant role of gut bacteria is amino acid biosynthesis, followed by protein digestion, energy metabolism, vitamin biosynthesis, lipid digestion, plant secondary metabolite (PSM) degradation, and carbohydrate digestion, while the order from the genomic data is amino acid biosynthesis, vitamin biosynthesis, lipid digestion, energy metabolism, protein digestion, PSM degradation, and carbohydrate digestion. The PCA results showed that the gut bacteria form functional groups from the point of view of either the basic role or super role, and the MFA results showed that there are functional variations among gut bacteria. In addition, the variations between the proteomic and genomic data, analyzed with the HMFA method from the point of view of either the bacterial community or individual bacterial species, are presented. CONCLUSION The most dominant role of gut bacteria is essential nutrient provisioning, followed by digestion and detoxification. The weevil plays a pioneering role in diet digestion and mainly digests macromolecules into smaller molecules which are then mainly digested by gut bacteria.
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Affiliation(s)
- Tian-Zhong Jing
- School of Forestry, Northeast Forestry University, Harbin, 150040 China
| | - Feng-Hui Qi
- School of Life Sciences, Northeast Forestry University, Harbin, 150040 China
| | - Zhi-Ying Wang
- School of Forestry, Northeast Forestry University, Harbin, 150040 China
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33
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Dmytruk KV, Ruchala J, Fedorovych DV, Ostapiv RD, Sibirny AA. Modulation of the Purine Pathway for Riboflavin Production in Flavinogenic Recombinant Strain of the Yeast Candida famata. Biotechnol J 2020; 15:e1900468. [PMID: 32087089 DOI: 10.1002/biot.201900468] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 02/10/2020] [Indexed: 11/10/2022]
Abstract
Riboflavin (vitamin B2 ) is an indispensable nutrient for humans and animals, since it is the precursor of the essential coenzymes flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD), involved in variety of metabolic reactions. Riboflavin is produced on commercial scale and is used for feed and food fortification purposes, and in medicine. Until recently, the mutant strains of the flavinogenic yeast Candida famata were used in industry for riboflavin production. Guanosine triphosphate is the immediate precursor of riboflavin synthesis. Therefore, the activation of metabolic flux toward purine nucleotide biosynthesis is a promising approach to improve riboflavin production. The phosphoribosyl pyrophosphate synthetase and phosphoribosyl pyrophosphate amidotransferase are the rate limiting enzymes in purine biosynthesis. Corresponding genes PRS3 and ADE4 from yeast Debaryomyces hansenii are modified to avoid feedback inhibition and cooverexpressed on the background of a previously constructed riboflavin overproducing strain of C. famata. Constructed strain accumulates twofold more riboflavin when compared to the parental strain.
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Affiliation(s)
- Kostyantyn V Dmytruk
- Department of Molecular Biology and Biotechnology, Institute of Cell Biology, NAS of Ukraine, Drahomanov Street, 14/16, Lviv, 79005, Ukraine
| | - Justyna Ruchala
- Department of Microbiology and Biotechnology, University of Rzeszow, Zelwerowicza, 4, Rzeszow, 35-601, Poland
| | - Daria V Fedorovych
- Department of Molecular Biology and Biotechnology, Institute of Cell Biology, NAS of Ukraine, Drahomanov Street, 14/16, Lviv, 79005, Ukraine
| | - Roman D Ostapiv
- Laboratory of high-performance liquid chromatography, State Scientific-Research Control Institute of Veterinary Medicinal Products and Feed Additives, Donetska Street, 11, Lviv, 79019, Ukraine
| | - Andriy A Sibirny
- Department of Molecular Biology and Biotechnology, Institute of Cell Biology, NAS of Ukraine, Drahomanov Street, 14/16, Lviv, 79005, Ukraine.,Department of Microbiology and Biotechnology, University of Rzeszow, Zelwerowicza, 4, Rzeszow, 35-601, Poland
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34
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Bhushan B, Kumkum C, Kumari M, Ahire JJ, Dicks LM, Mishra V. Soymilk bio-enrichment by indigenously isolated riboflavin-producing strains of Lactobacillus plantarum. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108871] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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35
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Shiferaw Terefe N, Augustin MA. Fermentation for tailoring the technological and health related functionality of food products. Crit Rev Food Sci Nutr 2019; 60:2887-2913. [PMID: 31583891 DOI: 10.1080/10408398.2019.1666250] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Fermented foods are experiencing a resurgence due to the consumers' growing interest in foods that are natural and health promoting. Microbial fermentation is a biotechnological process which transforms food raw materials into palatable, nutritious and healthy food products. Fermentation imparts unique aroma, flavor and texture to food, improves digestibility, degrades anti-nutritional factors, toxins and allergens, converts phytochemicals such as polyphenols into more bioactive and bioavailable forms, and enriches the nutritional quality of food. Fermentation also modifies the physical functional properties of food materials, rendering them differentiated ingredients for use in formulated foods. The science of fermentation and the technological and health functionality of fermented foods is reviewed considering the growing interest worldwide in fermented foods and beverages and the huge potential of the technology for reducing food loss and improving nutritional food security.
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36
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Rollán GC, Gerez CL, LeBlanc JG. Lactic Fermentation as a Strategy to Improve the Nutritional and Functional Values of Pseudocereals. Front Nutr 2019; 6:98. [PMID: 31334241 PMCID: PMC6617224 DOI: 10.3389/fnut.2019.00098] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 06/14/2019] [Indexed: 12/15/2022] Open
Abstract
One of the greatest challenges is to reduce malnutrition worldwide while promoting sustainable agricultural and food systems. This is a daunting task due to the constant growth of the population and the increasing demands by consumers for functional foods with higher nutritional values. Cereal grains are the most important dietary energy source globally; wheat, rice, and maize currently provide about half of the dietary energy source of humankind. In addition, the increase of celiac patients worldwide has motivated the development of gluten-free foods using alternative flour types to wheat such as rice, corn, cassava, soybean, and pseudocereals (amaranth, quinoa, and buckwheat). Amaranth and quinoa have been cultivated since ancient times and were two of the major crops of the Pre-Colombian cultures in Latin- America. In recent years and due to their well-known high nutritional value and potential health benefits, these pseudocereals have received much attention as ideal candidates for gluten-free products. The importance of exploiting these grains for the elaboration of healthy and nutritious foods has forced food producers to develop novel adequate strategies for their processing. Fermentation is one of the most antique and economical methods of producing and preserving foods and can be easily employed for cereal processing. The nutritional and functional quality of pseudocereals can be improved by fermentation using Lactic Acid Bacteria (LAB). This review provides an overview on pseudocereal fermentation by LAB emphasizing the capacity of these bacteria to decrease antinutritional factors such as phytic acid, increase the functional value of phytochemicals such as phenolic compounds, and produce nutritional ingredients such as B-group vitamins. The numerous beneficial effects of lactic fermentation of pseudocereals can be exploited to design novel and healthier foods or grain ingredients destined to general population and especially to patients with coeliac disease.
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Affiliation(s)
- Graciela C. Rollán
- Centro de Referencia para Lactobacilos (CERELA) - CONICET, San Miguel de Tucumán, Argentina
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37
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Pereira J, Simões M, Silva JL. Microalgal assimilation of vitamin B 12 toward the production of a superfood. J Food Biochem 2019; 43:e12911. [PMID: 31368540 DOI: 10.1111/jfbc.12911] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 12/24/2022]
Abstract
A network of components from different metabolic pathways is the building scaffold of an indispensable compound in the human organism-vitamin B12 . The biosynthesis of this compound is restricted to a limited number of representatives of bacteria and archaea, while vitamin B12 -dependent enzymes are spread through several domains of life. Different attempts have been performed to increase vitamin B12 levels in dietary products, particularly in vegetarian and vegan dietary regimes. The integration of vitamin B12 in microalgae through symbiosis with microorganisms generally recognized as safe, for example the probiotic Lactobacillus reuteri, can even increase the nutritional value of the microalgal biomass. This study reviews the microbial production of vitamin B12 based on genetic analyses and chemical studies. Recent genetic approaches are focused, particularly potential metabolic engineering targets to increase vitamin B12 production. The bioincorporation of vitamin B12 in microalgae as an attempt to provide a superfood is also reviewed. PRACTICAL APPLICATIONS: Novel food habits (i.e., vegan lifestyle) may lack relevant nutrients, including vitamin B12 . Therefore, there is an increased demand for dietary products rich in vitamin B12 . Of potential interest is the provision of microbial-based superfood rich in numerous nutrients, including this vitamin. This manuscript provides an in-depth and timely overview on vitamin B12 biosynthesis and the major advances on metabolic engineering for improved vitamin B12 production by probiotic bacteria and other microorganisms generally recognized as safe. A relevant advance would result from the bioincorporation of vitamin B12 in alternative microorganisms (non-vitamin B12 producers) increasingly recognized as superfood, that is microalgae.
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Affiliation(s)
- João Pereira
- Allmicroalgae-Natural Products, Lisboa, Portugal.,LEPABE, Departamento de Engenharia Química, da Universidade do Porto, Porto, Portugal
| | - Manuel Simões
- LEPABE, Departamento de Engenharia Química, da Universidade do Porto, Porto, Portugal
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Ekpa O, Palacios-Rojas N, Kruseman G, Fogliano V, Linnemann AR. Sub-Saharan African Maize-Based Foods - Processing Practices, Challenges and Opportunities. FOOD REVIEWS INTERNATIONAL 2019. [DOI: 10.1080/87559129.2019.1588290] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Onu Ekpa
- Food Quality and Design Group, Department of Agrotechnology and Food Sciences, Wageningen University and Research Centre, Wageningen, The Netherlands
| | - Natalia Palacios-Rojas
- Global Maize Program, International Maize and Wheat Improvement Center (CIMMYT), Texcoco, Mexico
| | - Gideon Kruseman
- Socio-Economics Program, International Maize and Wheat Improvement Center (CIMMYT), Texcoco, Mexico
| | - Vincenzo Fogliano
- Food Quality and Design Group, Department of Agrotechnology and Food Sciences, Wageningen University and Research Centre, Wageningen, The Netherlands
| | - Anita R. Linnemann
- Food Quality and Design Group, Department of Agrotechnology and Food Sciences, Wageningen University and Research Centre, Wageningen, The Netherlands
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39
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Lee ES, Song EJ, Nam YD, Lee SY. Probiotics in human health and disease: from nutribiotics to pharmabiotics. J Microbiol 2018; 56:773-782. [PMID: 30353462 DOI: 10.1007/s12275-018-8293-y] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 06/27/2018] [Accepted: 06/28/2018] [Indexed: 01/22/2023]
Abstract
Probiotics are the most useful tools for balancing the gut microbiota and thereby influencing human health and disease. Probiotics have a range of effects, from those on nutritional status to medical conditions throughout the body from the gut to non-intestinal body sites such as the brain and skin. Research interest in probiotics with nutritive claims (categorized as nutribiotics) has evolved into interest in therapeutic and pharmacological probiotics with health claims (pharmabiotics). The concept of pharmabiotics emerged only two decades ago, and the new categorization of probiotics to nutribiotics and pharmabiotics was recently suggested, which are under the different regulation depending on that they are food or drug. Information of the gut microbiome has been continuously accumulating, which will make possible the gut microbiome-based healthcare in the future, when nutribiotics show potential for maintaining health while pharmabiotics are effective therapeutic tools for human diseases. This review describes the current understanding in the conceptualization and classification of probiotics. Here, we reviewed probiotics as nutribiotics with nutritional functions and pharmabiotics with pharmaceutic functions in different diseases.
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Affiliation(s)
- Eun-Sook Lee
- Research Group of Healthcare, Korea Food Research Institute, Wanju, 55365, Republic of Korea
| | - Eun-Ji Song
- Research Group of Healthcare, Korea Food Research Institute, Wanju, 55365, Republic of Korea.,Department of Food Biotechnology, Korea University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Young-Do Nam
- Research Group of Healthcare, Korea Food Research Institute, Wanju, 55365, Republic of Korea.,Department of Food Biotechnology, Korea University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - So-Young Lee
- Department of Food Biotechnology, Korea University of Science and Technology, Daejeon, 34113, Republic of Korea. .,Research Group of Natural Materials and Metabolism, Korea Food Research Institute, Wanju, 55365, Republic of Korea.
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Yépez A, Russo P, Spano G, Khomenko I, Biasioli F, Capozzi V, Aznar R. In situ riboflavin fortification of different kefir-like cereal-based beverages using selected Andean LAB strains. Food Microbiol 2018; 77:61-68. [PMID: 30297057 DOI: 10.1016/j.fm.2018.08.008] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 07/19/2018] [Accepted: 08/18/2018] [Indexed: 02/07/2023]
Abstract
Cereal-based functional beverages represent social, economic, and environmental sustainable opportunities to cope with emerging trends in food consumption and global nutrition. Here we report, for the first time, the polyphasic characterization of three cereal-based kefir-like riboflavin-enriched beverages, obtained from oat, maize and barley flours, and their comparison with classical milk-based kefir. The four matrices were successfully fermented with commercial starters: i) milk-kefir and ii) water-kefir, proving the potential of cereal ingredients in the formulation of dairy-like fermented beverages with milk-kefir starter behavior better in these matrices. In the light of their potentiality, seven riboflavin-producing Andean Lactic Acid Bacteria (LAB) were tested for tolerance to food stresses commonly encountered during food fermentation. Moreover, the LAB strains investigated were screened for spontaneous riboflavin overproducing derivatives. Lactobacillus plantarum M5MA1-B2 with outstanding response to stress, was selected to improve riboflavin content in an in situ fortification approach. The combination of L. plantarum M5MA1-B2 riboflavin overproducing strain with milk kefir starter in oat, lead to cover, for one serving of 100 g, 11.4% of Recommended Dietary Allowance (RDA). Besides, addition of L. plantarum M5MA1-B2 improved performance of water kefir in oat and maize matrices. Proton Transfer Reaction Time-of-Flight Mass Spectrometry (PTR-ToF-MS) analysis provided the on-line Volatile Organic Compounds profiles supporting the best combination of starter, LAB and cereal matrix for novel functional foods development.
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Affiliation(s)
- Alba Yépez
- Department of Microbiology and Ecology, University of Valencia. Av. Dr. Moliner 50, 46100, Burjassot, Valencia, Spain
| | - Pasquale Russo
- Department of Science of Agriculture, Food and Environment, University of Foggia, Via Napoli 25, Foggia, 71122, Italy
| | - Giuseppe Spano
- Department of Science of Agriculture, Food and Environment, University of Foggia, Via Napoli 25, Foggia, 71122, Italy
| | - Iuliia Khomenko
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach (FEM), Via E. Mach 1, 38010, San Michele All' Adige (TN), Italy
| | - Franco Biasioli
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach (FEM), Via E. Mach 1, 38010, San Michele All' Adige (TN), Italy
| | - Vittorio Capozzi
- Department of Science of Agriculture, Food and Environment, University of Foggia, Via Napoli 25, Foggia, 71122, Italy
| | - Rosa Aznar
- Department of Microbiology and Ecology, University of Valencia. Av. Dr. Moliner 50, 46100, Burjassot, Valencia, Spain; Department of Preservation and Food Safety Technologies. Institut of Agrochemistry and Food Technology (IATA-CSIC). Calle Agustín Escardino 7, 46980, Paterna, Valencia, Spain; Spanish Type Culture Collection (CECT). University of Valencia. Calle Agustín Escardino 9, 46980, Paterna, Valencia, Spain.
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Witten S, Aulrich K. Exemplary calculations of native thiamine (vitamin B1) and riboflavin (vitamin B2) contents in common cereal-based diets for monogastric animals. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/s13165-018-0219-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Xie C, Coda R, Chamlagain B, Edelmann M, Deptula P, Varmanen P, Piironen V, Katina K. In situ fortification of vitamin B12 in wheat flour and wheat bran by fermentation with Propionibacterium freudenreichii. J Cereal Sci 2018. [DOI: 10.1016/j.jcs.2018.05.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Carrizo SL, Montes de Oca CE, Hébert ME, Saavedra L, Vignolo G, LeBlanc JG, Rollán GC. Lactic Acid Bacteria from Andean Grain Amaranth: A Source of Vitamins and Functional Value Enzymes. J Mol Microbiol Biotechnol 2017; 27:289-298. [DOI: 10.1159/000480542] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Amaranth is a rediscovered pseudocereal with high nutritional properties. Lactic acid fermentation can increase the functional and nutritional value of foods. The aims of this study were to isolate and evaluate the functionality of lactic acid bacteria (LAB) from amaranth. LAB strains (<i>n</i> = 29) isolated from amaranth sourdough and grains included <i>Lactobacillus</i> (<i>L.</i>) <i>plantarum</i> (<i>n</i> = 8), <i>L. rhamnosus</i> (<i>n</i> = 6), <i>Enterococcus</i> (<i>E.</i>) <i>mundtii</i> (<i>n</i> = 4), <i>E. hermanniensis</i> (<i>n</i> = 3), <i>E. durans</i> (<i>n</i> = 1), <i>Enterococcus</i> sp. (<i>n</i> = 1), <i>Leuconostoc</i> (<i>Lc.</i>) <i>mesenteroides</i> (<i>n</i> = 3), and <i>Lc. mesenteroides </i>subsp<i>. mesenteroides </i>(<i>n</i> = 3). Only 21% of the strains showed the ability to synthesize capsular exopolysaccharides or display ropiness and only 8 strains showed amylolytic activity. <i>L. plantarum </i>CRL 2106 and <i>E. durans </i>CRL 2122 showed the highest phytase activity, which is of importance for mineral bioavailability. <i>L. plantarum </i>CRL 2106 and CRL 2107 and <i>Lc. mesenteroides </i>subsp.<i> mesenteroides</i> CRL 2131 synthesized the highest concentrations of B<sub>2</sub> and B<sub>9</sub> vitamin (140-250 ng/mL). This study demonstrates the potential of LAB to improve the nutritional and functional values of pseudocereal-derived foods.
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Characterization of extracellular vitamin B12 producing Lactobacillus plantarum strains and assessment of the probiotic potentials. Food Chem 2017; 234:494-501. [DOI: 10.1016/j.foodchem.2017.05.037] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Revised: 05/03/2017] [Accepted: 05/06/2017] [Indexed: 02/07/2023]
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Folate production and fol genes expression by the dairy starter culture Streptococcus thermophilus CRL803 in free and controlled pH batch fermentations. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.07.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Deptula P, Laine PK, Roberts RJ, Smolander OP, Vihinen H, Piironen V, Paulin L, Jokitalo E, Savijoki K, Auvinen P, Varmanen P. De novo assembly of genomes from long sequence reads reveals uncharted territories of Propionibacterium freudenreichii. BMC Genomics 2017; 18:790. [PMID: 29037147 PMCID: PMC5644110 DOI: 10.1186/s12864-017-4165-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 10/05/2017] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Propionibacterium freudenreichii is an industrially important bacterium granted the Generally Recognized as Safe (the GRAS) status, due to its long safe use in food bioprocesses. Despite the recognized role in the food industry and in the production of vitamin B12, as well as its documented health-promoting potential, P. freudenreichii remained poorly characterised at the genomic level. At present, only three complete genome sequences are available for the species. RESULTS We used the PacBio RS II sequencing platform to generate complete genomes of 20 P. freudenreichii strains and compared them in detail. Comparative analyses revealed both sequence conservation and genome organisational diversity among the strains. Assembly from long reads resulted in the discovery of additional circular elements: two putative conjugative plasmids and three active, lysogenic bacteriophages. It also permitted characterisation of the CRISPR-Cas systems. The use of the PacBio sequencing platform allowed identification of DNA modifications, which in turn allowed characterisation of the restriction-modification systems together with their recognition motifs. The observed genomic differences suggested strain variation in surface piliation and specific mucus binding, which were validated by experimental studies. The phenotypic characterisation displayed large diversity between the strains in ability to utilise a range of carbohydrates, to grow at unfavourable conditions and to form a biofilm. CONCLUSION The complete genome sequencing allowed detailed characterisation of the industrially important species, P. freudenreichii by facilitating the discovery of previously unknown features. The results presented here lay a solid foundation for future genetic and functional genomic investigations of this actinobacterial species.
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Affiliation(s)
- Paulina Deptula
- Department of Food and Environmental Sciences, University of Helsinki, 00014 Helsinki, Finland
| | - Pia K. Laine
- Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland
| | | | | | - Helena Vihinen
- Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland
| | - Vieno Piironen
- Department of Food and Environmental Sciences, University of Helsinki, 00014 Helsinki, Finland
| | - Lars Paulin
- Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland
| | - Eija Jokitalo
- Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland
| | - Kirsi Savijoki
- Department of Food and Environmental Sciences, University of Helsinki, 00014 Helsinki, Finland
| | - Petri Auvinen
- Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland
| | - Pekka Varmanen
- Department of Food and Environmental Sciences, University of Helsinki, 00014 Helsinki, Finland
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Zhao X, Kasbi M, Chen J, Peres S, Jolicoeur M. A dynamic metabolic flux analysis of ABE (acetone-butanol-ethanol) fermentation byClostridium acetobutylicumATCC 824, with riboflavin as a by-product. Biotechnol Bioeng 2017; 114:2907-2919. [DOI: 10.1002/bit.26393] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 07/24/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Xinhe Zhao
- Research Laboratory in Applied Metabolic Engineering; Department of Chemical Engineering; École Polytechnique de Montréal; Montréal Québec Canada
| | - Mayssa Kasbi
- Research Laboratory in Applied Metabolic Engineering; Department of Chemical Engineering; École Polytechnique de Montréal; Montréal Québec Canada
| | - Jingkui Chen
- Research Laboratory in Applied Metabolic Engineering; Department of Chemical Engineering; École Polytechnique de Montréal; Montréal Québec Canada
| | - Sabine Peres
- LRI, Université Paris-Sud; CNRS, Université Paris-Saclay; Orsay France
- MaIAGE, INRA; Université Paris-Saclay; Jouy-en-Josas France
| | - Mario Jolicoeur
- Research Laboratory in Applied Metabolic Engineering; Department of Chemical Engineering; École Polytechnique de Montréal; Montréal Québec Canada
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Tanaka Y, Kasahara K, Izawa M, Ochi K. Applicability of ribosome engineering to vitamin B12 production by Propionibacterium shermanii. Biosci Biotechnol Biochem 2017; 81:1636-1641. [PMID: 28532245 DOI: 10.1080/09168451.2017.1329619] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Ribosome engineering has been widely utilized for strain improvement, especially for the activation of bacterial secondary metabolism. This study assessed ribosome engineering technology to modulate primary metabolism, taking vitamin B12 production as a representative example. The introduction into Propionibacterium shermanii of mutations conferring resistance to rifampicin, gentamicin, and erythromycin, respectively, increased per cell production (μg/L/OD600) of vitamin B12 5.2-fold, although net production (μg/L) was unchanged, as the cell mass of the mutants was reduced. Real-time qPCR analysis demonstrated that the genes involved in vitamin B12 fermentation by P. shermanii were activated at the transcriptional level in the drug-resistant mutants, providing a mechanism for the higher yields of vitamin B12 by the mutants. These results demonstrate the efficacy of ribosome engineering for the production of not only secondary metabolites but of industrially important primary metabolites.
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Affiliation(s)
- Yukinori Tanaka
- a Department of Life Sciences , Hiroshima Institute of Technology , Hiroshima , Japan
| | - Ken Kasahara
- b Chitose Laboratory Corp. , Biotechnology Research Center , Miyamae-ku , Japan
| | - Masumi Izawa
- a Department of Life Sciences , Hiroshima Institute of Technology , Hiroshima , Japan
| | - Kozo Ochi
- a Department of Life Sciences , Hiroshima Institute of Technology , Hiroshima , Japan
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LeBlanc JG, Chain F, Martín R, Bermúdez-Humarán LG, Courau S, Langella P. Beneficial effects on host energy metabolism of short-chain fatty acids and vitamins produced by commensal and probiotic bacteria. Microb Cell Fact 2017; 16:79. [PMID: 28482838 PMCID: PMC5423028 DOI: 10.1186/s12934-017-0691-z] [Citation(s) in RCA: 478] [Impact Index Per Article: 68.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 04/26/2017] [Indexed: 02/07/2023] Open
Abstract
The aim of this review is to summarize the effect in host energy metabolism of the production of B group vitamins and short chain fatty acids (SCFA) by commensal, food-grade and probiotic bacteria, which are also actors of the mammalian nutrition. The mechanisms of how these microbial end products, produced by these bacterial strains, act on energy metabolism will be discussed. We will show that these vitamins and SCFA producing bacteria could be used as tools to recover energy intakes by either optimizing ATP production from foods or by the fermentation of certain fibers in the gastrointestinal tract (GIT). Original data are also presented in this work where SCFA (acetate, butyrate and propionate) and B group vitamins (riboflavin, folate and thiamine) production was determined for selected probiotic bacteria.
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Affiliation(s)
- Jean Guy LeBlanc
- Centro de Referencia para Lactobacilos (CERELA-CONICET), San Miguel de Tucumán, Argentina
| | - Florian Chain
- Commensals and Probiotics-Host Interactions Laboratory, Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, 78350, Jouy-en-Josas, France
| | - Rebeca Martín
- Commensals and Probiotics-Host Interactions Laboratory, Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, 78350, Jouy-en-Josas, France
| | - Luis G Bermúdez-Humarán
- Commensals and Probiotics-Host Interactions Laboratory, Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, 78350, Jouy-en-Josas, France
| | | | - Philippe Langella
- Commensals and Probiotics-Host Interactions Laboratory, Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, 78350, Jouy-en-Josas, France.
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Chandrasekar Rajendran SC, Chamlagain B, Kariluoto S, Piironen V, Saris PEJ. Biofortification of riboflavin and folate in idli batter, based on fermented cereal and pulse, by Lactococcus lactis N8 and Saccharomyces boulardii SAA655. J Appl Microbiol 2017; 122:1663-1671. [PMID: 28339160 DOI: 10.1111/jam.13453] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 03/09/2017] [Accepted: 03/20/2017] [Indexed: 11/27/2022]
Abstract
AIMS Lactococcus lactis N8 and Saccharomyces boulardii SAA655 were investigated for their ability to synthesize B-vitamins (riboflavin and folate) and their functional role as microbial starters in idli fermentation. METHODS AND RESULTS In this study, ultra-high performance liquid chromatography and microbiological assay were used to determine the total riboflavin and folate content respectively. Increased levels of folate were evident in both L. lactis N8 and S. boulardii SAA655 cultivated medium. Enhanced riboflavin levels were found only in S. boulardii SAA655 grown medium, whereas decreased riboflavin level was found in L. lactis N8 cultivated medium. To evaluate the functional role of microbial starter strains, L. lactis N8 and S. boulardii SAA655 were incorporated individually and in combination into idli batter, composed of wet grounded rice and black gram. For the experiments, naturally fermented idli batter was considered as control. The results indicated that natural idli fermentation did not enhance the riboflavin level and depleted folate levels by half. In comparison with control, L. lactis N8 and S. boulardii SAA655 incorporated idli batter (individually and in combination) increased riboflavin and folate levels by 40-90%. Apart from compensating the folate loss caused by natural fermentation, S. boulardii SAA655 fermented idli batter individually and in combination with L. lactis N8 also showed the highest leavening character. Moreover, the microbial starter incorporation did not significantly influence the pH of idli batter. CONCLUSION Incorporation of L. lactis N8 and S. boulardii SAA655 can evidently enhance the functional and technological characteristics of idli batter. SIGNIFICANCE AND IMPACT OF THE STUDY UN General Assembly declared 2016 the International Year of pulses emphasizing the importance of legumes as staple food. Furthermore, this is the first experimental report of in situ biofortifcation of riboflavin and folate using microbes in pulse based fermented staple food. The current study suggests possible avenues for research towards an economical strategy to reduce B-vitamin deficiency among the consuming population.
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Affiliation(s)
| | - B Chamlagain
- Department of Food and Environmental Sciences, University of Helsinki, Finland
| | - S Kariluoto
- Department of Food and Environmental Sciences, University of Helsinki, Finland
| | - V Piironen
- Department of Food and Environmental Sciences, University of Helsinki, Finland
| | - P E J Saris
- Department of Food and Environmental Sciences, University of Helsinki, Finland
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