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Aimaretti E, Porchietto E, Mantegazza G, Gargari G, Collotta D, Einaudi G, Ferreira Alves G, Marzani E, Algeri A, Dal Bello F, Aragno M, Cifani C, Guglielmetti S, Mastrocola R, Collino M. Anti-Glycation Properties of Zinc-Enriched Arthrospira platensis (Spirulina) Contribute to Prevention of Metaflammation in a Diet-Induced Obese Mouse Model. Nutrients 2024; 16:552. [PMID: 38398877 PMCID: PMC10892558 DOI: 10.3390/nu16040552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/03/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
Advanced glycation end products (AGEs) exert a key pathogenic role in the development of obesity and insulin resistance. Thanks to its abundance in bioactive compounds, the microalga Arthrospira platensis (spirulina, SP) is proposed as a nutritional supplement. Here, we investigated the potential anti-glycating properties of SP enriched with zinc (Zn-SP) and the following impact on diet-induced metabolic derangements. Thirty male C57Bl6 mice were fed a standard diet (SD) or a high-fat high-sugar diet (HFHS) for 12 weeks, and a subgroup of HFHS mice received 350 mg/kg Zn-SP three times a week. A HFHS diet induced obesity and glucose intolerance and increased plasma levels of pro-inflammatory cytokines and transaminases. Zn-SP administration restored glucose homeostasis and reduced hepatic dysfunction and systemic inflammation. In the liver of HFHS mice, a robust accumulation of AGEs was detected, paralleled by increased expression of the main AGE receptor (RAGE) and depletion of glyoxalase-1, whereas Zn-SP administration efficiently prevented these alterations reducing local pro-inflammatory responses. 16S rRNA gene profiling of feces and ileum content revealed altered bacterial community structure in HFHS mice compared to both SD and HFHS + Zn-SP groups. Overall, our study demonstrates relevant anti-glycation properties of Zn-SP which contribute to preventing AGE production and/or stimulate AGE detoxification, leading to the improvement of diet-related dysbiosis and metabolic derangements.
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Affiliation(s)
- Eleonora Aimaretti
- Department of Clinical and Biological Sciences, University of Turin, 10125 Turin, Italy; (E.A.); (M.A.); (R.M.)
| | - Elisa Porchietto
- Pharmacology Unit, School of Pharmacy, University of Camerino, 62032 Camerino, Italy; (E.P.); (G.E.); (G.F.A.); (C.C.)
| | - Giacomo Mantegazza
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, 20133 Milan, Italy; (G.M.); (G.G.)
| | - Giorgio Gargari
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, 20133 Milan, Italy; (G.M.); (G.G.)
| | - Debora Collotta
- Department of Neurosciences “Rita Levi Montalcini”, University of Turin, 10125 Turin, Italy; (D.C.); (E.M.)
| | - Giacomo Einaudi
- Pharmacology Unit, School of Pharmacy, University of Camerino, 62032 Camerino, Italy; (E.P.); (G.E.); (G.F.A.); (C.C.)
| | - Gustavo Ferreira Alves
- Pharmacology Unit, School of Pharmacy, University of Camerino, 62032 Camerino, Italy; (E.P.); (G.E.); (G.F.A.); (C.C.)
| | - Enrica Marzani
- Department of Neurosciences “Rita Levi Montalcini”, University of Turin, 10125 Turin, Italy; (D.C.); (E.M.)
| | - Alessandro Algeri
- Italian Union of Biological Spirulin (Unione Spirulina Biologica Italiana, USBI), Curtatone (Mantova), 46010 Mantova, Italy;
| | - Federica Dal Bello
- Department of Molecular Biotechnology and Health Sciences, University of Turin, 10126 Turin, Italy;
| | - Manuela Aragno
- Department of Clinical and Biological Sciences, University of Turin, 10125 Turin, Italy; (E.A.); (M.A.); (R.M.)
| | - Carlo Cifani
- Pharmacology Unit, School of Pharmacy, University of Camerino, 62032 Camerino, Italy; (E.P.); (G.E.); (G.F.A.); (C.C.)
| | - Simone Guglielmetti
- Department of Biotechnology and Biosciences (BtBs), University of Milano-Bicocca, 20126 Milan, Italy
| | - Raffaella Mastrocola
- Department of Clinical and Biological Sciences, University of Turin, 10125 Turin, Italy; (E.A.); (M.A.); (R.M.)
| | - Massimo Collino
- Department of Neurosciences “Rita Levi Montalcini”, University of Turin, 10125 Turin, Italy; (D.C.); (E.M.)
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Galimberti S, Rocchetti G, Di Rico F, Rossetti C, Fontana A, Lucini L, Callegari ML. Untargeted metabolomics provide new insights into the implication of Lactobacillus helveticus strains isolated from natural whey starter in methylglyoxal-mediated browning. Food Res Int 2023; 174:113644. [PMID: 37986486 DOI: 10.1016/j.foodres.2023.113644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 11/22/2023]
Abstract
Hard cheeses may occasionally show a brown discolouration during ripening due to multifactorial phenomena that involve bacteria and give rise to pyrazines arising from methylglyoxal. The present work aimed at developing a novel approach to investigate the role of natural starters in browning. To this object, 11 strains of L. helveticus were incubated in a medium containing 10 % rennet casein dissolved in whey, and then growth was monitored by measuring pH and number of genomes/mL. Browning was assessed through CIELab analysis, methylglyoxal production was determined by targeted mass spectrometry, and untargeted metabolomics was used to extrapolate marker compounds associated with browning discoloration. The medium allowed the growth of all the strains tested and differences in colour were observed, especially for strain A7 (ΔE* value 15.92 ± 0.27). Noteworthy, this strain was also the higher producer of methylglyoxal (2.44 µg/mL). Metabolomics highlighted pyrazines and β-carboline compounds as markers of browning at 42 °C and 16 °C, respectively. Moreover, multivariate statistics pointed out differences in free amino acids and oligopeptides linked to proteolysis, while 1,2-propanediol and S-Lactoylglutathione suggested specific detoxification route in methylglyoxal-producing strains. Our model allowed detecting differences in browning amid strains, paving the way towards the study of individual L. helveticus strains to identify the variables leading to discoloration or to study the interaction between different strains in natural whey starters.
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Affiliation(s)
- Sofia Galimberti
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Bissolati 74, 26100 Cremona, Italy
| | - Gabriele Rocchetti
- Department of Animal Science, Food and Nutrition, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Francesca Di Rico
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Chiara Rossetti
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Bissolati 74, 26100 Cremona, Italy
| | - Alessandra Fontana
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Bissolati 74, 26100 Cremona, Italy
| | - Luigi Lucini
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Maria Luisa Callegari
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Bissolati 74, 26100 Cremona, Italy.
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Bühlmann CH, Mickan BS, Tait S, Batstone DJ, Bahri PA. Lactic acid production from food waste at an anaerobic digestion biorefinery: effect of digestate recirculation and sucrose supplementation. Front Bioeng Biotechnol 2023; 11:1177739. [PMID: 37251566 PMCID: PMC10214416 DOI: 10.3389/fbioe.2023.1177739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 04/27/2023] [Indexed: 05/31/2023] Open
Abstract
Low lactic acid (LA) yields from direct food waste (FW) fermentation restrict this production pathway. However, nitrogen and other nutrients within FW digestate, in combination with sucrose supplementation, may enhance LA production and improve feasibility of fermentation. Therefore, this work aimed to improve LA fermentation from FWs by supplementing nitrogen (0-400 mgN·L-1) as NH4Cl or digestate and dosing sucrose (0-150 g·L-1) as a low-cost carbohydrate. Overall, NH4Cl and digestate led to similar improvements in the rate of LA formation (0.03 ± 0.02 and 0.04 ± 0.02 h-1 for NH4Cl and digestate, respectively), but NH4Cl also improved the final concentration, though effects varied between treatments (5.2 ± 4.6 g·L-1). While digestate altered the community composition and increased diversity, sucrose minimised community diversion from LA, promoted Lactobacillus growth at all dosages, and enhanced the final LA concentration from 25 to 30 g·L-1 to 59-68 g·L-1, depending on nitrogen dosage and source. Overall, the results highlighted the value of digestate as a nutrient source and sucrose as both community controller and means to enhance the LA concentration in future LA biorefinery concepts.
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Affiliation(s)
| | - Bede S. Mickan
- School of Agriculture and Environment, The University of Western Australia, Perth, WA, Australia
- Institute of Agriculture, The University of Western Australia, Perth, WA, Australia
- Richgro Garden Products, Jandakot, WA, Australia
| | - Stephan Tait
- Centre for Agricultural Engineering, University of Southern Queensland, Toowoomba, QLD, Australia
| | - Damien J. Batstone
- Australian Centre for Water and Environmental Biotechnology, The University of Queensland, St Lucia, Brisbane, QLD, Australia
| | - Parisa A. Bahri
- Discipline of Engineering and Energy, Murdoch University, Perth, WA, Australia
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Rodrigo-Torres L, María Landete J, Huedo P, Peirotén Á, Langa S, Rodríguez-Minguez E, Medina M, Arahal DR, Aznar R, Arqués JL. Complete genome sequences of Lacticaseibacillus paracasei INIA P272 (CECT 8315) and Lacticaseibacillus rhamnosus INIA P344 (CECT 8316) isolated from breast-fed infants reveal probiotic determinants. Gene X 2022; 840:146743. [PMID: 35868412 DOI: 10.1016/j.gene.2022.146743] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 06/08/2022] [Accepted: 07/14/2022] [Indexed: 11/30/2022] Open
Abstract
Lacticaseibacillus paracasei INIA P272 and Lacticaseibacillus rhamnosus INIA P344, isolated from breast-fed infants, are two promising bacterial strains for their use in functional foods according to their demonstrated probiotic and technological characteristics. To better understand their probiotic characteristics and evaluate their safety, here we report the draft genome sequences of both strains as well as the analysis of their genetical content. The draft genomes of L. paracasei INIA P272 and L. rhamnosus INIA P344 comprise 3.01 and 3.26 Mb, a total of 2994 and 3166 genes and a GC content of 46.27 % and 46.56 %, respectively. Genomic safety was assessed following the EFSA guidelines: the identification of both strains was confirmed through Average Nucleotide Identity, and the absence of virulence, pathogenic and antibiotic resistance genes was demonstrated. The genome stability analysis revealed the presence of plasmids and phage regions in both genomes, however, CRISPR sequences and other mechanisms to fight against phage infections were encoded. The probiotic abilities of both strains were supported by the presence of genes for the synthesis of SCFA, genes involved in resistance to acid and bile salts or a thiamine production cluster. Moreover, the encoded exopolysaccharide biosynthesis genes could provide additional protection against the deleterious gastrointestinal conditions, besides which, playing a key role in adherence and coaggregation of pathogenic bacteria together with the high number of adhesion proteins and domains encoded by both genomes. Additionally, the bacteriocin cluster genes found in both strains, could provide an advantageous ability to compete against pathogenic bacteria. This genomic study supports the probiotic characteristics described previously for these two strains and satisfies the safety requirements to be used in food products.
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Affiliation(s)
- Lidia Rodrigo-Torres
- Department of Microbiology and Ecology, University of Valencia, Burjassot 46100, Valencia, Spain; Spanish Type Culture Collection (CECT), University of Valencia, Paterna 46980, Valencia, Spain
| | - José María Landete
- Departamento Tecnología de Alimentos, INIA-CSIC, Carretera de La Coruña Km 7, 28040 Madrid, Spain
| | - Pol Huedo
- R&D Department, AB-Biotics S.A. (Part of Kaneka Corporation), Sant Cugat del Vallès 08172, Barcelona, Spain
| | - Ángela Peirotén
- Departamento Tecnología de Alimentos, INIA-CSIC, Carretera de La Coruña Km 7, 28040 Madrid, Spain
| | - Susana Langa
- Departamento Tecnología de Alimentos, INIA-CSIC, Carretera de La Coruña Km 7, 28040 Madrid, Spain
| | - Eva Rodríguez-Minguez
- Departamento Tecnología de Alimentos, INIA-CSIC, Carretera de La Coruña Km 7, 28040 Madrid, Spain
| | - Margarita Medina
- Departamento Tecnología de Alimentos, INIA-CSIC, Carretera de La Coruña Km 7, 28040 Madrid, Spain
| | - David R Arahal
- Department of Microbiology and Ecology, University of Valencia, Burjassot 46100, Valencia, Spain; Spanish Type Culture Collection (CECT), University of Valencia, Paterna 46980, Valencia, Spain
| | - Rosa Aznar
- Department of Microbiology and Ecology, University of Valencia, Burjassot 46100, Valencia, Spain; Spanish Type Culture Collection (CECT), University of Valencia, Paterna 46980, Valencia, Spain
| | - Juan L Arqués
- Departamento Tecnología de Alimentos, INIA-CSIC, Carretera de La Coruña Km 7, 28040 Madrid, Spain.
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Yang C, You L, Kwok LY, Jin H, Peng J, Zhao Z, Sun Z. Strain-level multiomics analysis reveals significant variation in cheeses from different regions. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.112043] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Kristjansdottir T, Bosma EF, Branco Dos Santos F, Özdemir E, Herrgård MJ, França L, Ferreira B, Nielsen AT, Gudmundsson S. A metabolic reconstruction of Lactobacillus reuteri JCM 1112 and analysis of its potential as a cell factory. Microb Cell Fact 2019; 18:186. [PMID: 31665018 PMCID: PMC6821008 DOI: 10.1186/s12934-019-1229-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 10/11/2019] [Indexed: 01/09/2023] Open
Abstract
Background Lactobacillus reuteri is a heterofermentative Lactic Acid Bacterium (LAB) that is commonly used for food fermentations and probiotic purposes. Due to its robust properties, it is also increasingly considered for use as a cell factory. It produces several industrially important compounds such as 1,3-propanediol and reuterin natively, but for cell factory purposes, developing improved strategies for engineering and fermentation optimization is crucial. Genome-scale metabolic models can be highly beneficial in guiding rational metabolic engineering. Reconstructing a reliable and a quantitatively accurate metabolic model requires extensive manual curation and incorporation of experimental data. Results A genome-scale metabolic model of L. reuteri JCM 1112T was reconstructed and the resulting model, Lreuteri_530, was validated and tested with experimental data. Several knowledge gaps in the metabolism were identified and resolved during this process, including presence/absence of glycolytic genes. Flux distribution between the two glycolytic pathways, the phosphoketolase and Embden–Meyerhof–Parnas pathways, varies considerably between LAB species and strains. As these pathways result in different energy yields, it is important to include strain-specific utilization of these pathways in the model. We determined experimentally that the Embden–Meyerhof–Parnas pathway carried at most 7% of the total glycolytic flux. Predicted growth rates from Lreuteri_530 were in good agreement with experimentally determined values. To further validate the prediction accuracy of Lreuteri_530, the predicted effects of glycerol addition and adhE gene knock-out, which results in impaired ethanol production, were compared to in vivo data. Examination of both growth rates and uptake- and secretion rates of the main metabolites in central metabolism demonstrated that the model was able to accurately predict the experimentally observed effects. Lastly, the potential of L. reuteri as a cell factory was investigated, resulting in a number of general metabolic engineering strategies. Conclusion We have constructed a manually curated genome-scale metabolic model of L. reuteri JCM 1112T that has been experimentally parameterized and validated and can accurately predict metabolic behavior of this important platform cell factory.
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Affiliation(s)
- Thordis Kristjansdottir
- Center for Systems Biology, School of Engineering and Natural Sciences, University of Iceland, Dunhagi 5, 107, Reykjavik, Iceland.,Matis, Vinlandsleid 12, 113, Reykjavik, Iceland
| | - Elleke F Bosma
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs., Lyngby, Denmark.,Discovery, R&D, Chr. Hansen A/S, Bøge Allé 10-12, 2970, Hørsholm, Denmark
| | - Filipe Branco Dos Santos
- Molecular Microbial Physiology Group of the Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Emre Özdemir
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs., Lyngby, Denmark
| | - Markus J Herrgård
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs., Lyngby, Denmark
| | - Lucas França
- Biotrend SA - Biocant Park, Núcleo 04, Lote 2, 3060-197, Cantanhede, Portugal
| | - Bruno Ferreira
- Biotrend SA - Biocant Park, Núcleo 04, Lote 2, 3060-197, Cantanhede, Portugal
| | - Alex T Nielsen
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs., Lyngby, Denmark
| | - Steinn Gudmundsson
- Center for Systems Biology, School of Engineering and Natural Sciences, University of Iceland, Dunhagi 5, 107, Reykjavik, Iceland.
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