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Curiel JA, de la Bastida AR, Langa S, Peirotén Á, Landete JM. Characterization and stabilization of GluLm and its application to deglycosylate dietary flavonoids and lignans. Appl Microbiol Biotechnol 2024; 108:80. [PMID: 38189949 PMCID: PMC10774645 DOI: 10.1007/s00253-023-12956-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/30/2023] [Accepted: 11/09/2023] [Indexed: 01/09/2024]
Abstract
This study describes the characterization of the recombinant GH3 aryl-β-glucosidase "GluLm" from Limosilactobacillus mucosae INIA P508, followed by its immobilization on an agarose support with the aim of developing an efficient application to increase the availability and concentration of flavonoid and lignan aglycones in a vegetal beverage. In previous studies, heterologous GluLm-producing strains demonstrated a great capacity to deglycosylate flavonoids. Nevertheless, the physicochemical properties and substrate spectrum of the enzyme remained unknown up to now. A high production of purified GluLm was achieved (14 mg L-1). GluLm exhibited optimal activity at broad ranges of pH (5.0-8.0) and temperature (25-60°C), as well as high affinity (Km of 0.10 mmol L-1) and specific constant (86554.0 mmol L-1 s-1) against p-nitrophenyl-β-D-glucopyranoside. Similar to other GH3 β-glucosidases described in lactic acid bacteria, GluLm exhibited β-xylosidase, β-galactosidase, and β-fucosidase activities. However, this study has revealed for the first time that a GH3 β-glucosidase is capable to hydrolyze different families of glycosylated phenolics such as flavonoids and secoiridoids. Although it exhibited low thermal stability, immobilization of GluLm improved its thermostability and allowed the development of a beverage based on soybeans and flaxseed extract with high concentration of bioactive isoflavone (daidzein, genistein), lignan (secoisolariciresinol, pinoresinol, and matairesinol), and other flavonoid aglycones. KEY POINTS: • Limosilactobacillus mucosae INIA P508 GluLm was purified and biochemically characterized • Immobilized GluLm efficiently deglycosylated flavonoids and lignans from a vegetal beverage • A viable application to produce vegetal beverages with a high content of aglycones is described.
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Affiliation(s)
- José Antonio Curiel
- Food Technology Department, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain.
| | - Ana Ruiz de la Bastida
- Food Technology Department, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain
| | - Susana Langa
- Food Technology Department, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain
| | - Ángela Peirotén
- Food Technology Department, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain
| | - José María Landete
- Food Technology Department, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain
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Curiel JA, de Vega E, Langa S, Peirotén Á, Landete JM. Production of recombinant glycosidases fused with Usp45 and SpaX to avoid the purification and immobilization stages. Enzyme Microb Technol 2024; 178:110445. [PMID: 38581868 DOI: 10.1016/j.enzmictec.2024.110445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/20/2024] [Accepted: 04/03/2024] [Indexed: 04/08/2024]
Abstract
The elucidation of the physicochemical properties of glycosidases is essential for their subsequent technological application, which may include saccharide hydrolysis processes and oligosaccharide synthesis. As the application of cloning, purification and enzymatic immobilization methods can be time consuming and require a heavy financial investment, this study has validated the recombinant production of the set of Lacticaseibacillus rhamnosus fucosidases fused with Usp45 and SpaX anchored to the cell wall of Lacticaseibacillus cremoris subsp cremoris MG1363, with the aim of avoiding the purification and stabilization steps. The cell debris harboring the anchored AlfA, AlfB and AlfC fucosidases showed activity against p-nitrophenyl α-L-fucopyranoside of 6.11 ± 0.36, 5.81 ± 0.29 and 9.90 ± 0.58 U/mL, respectively, and exhibited better thermal stability at 50 °C than the same enzymes in their soluble state. Furthermore, the anchored AlfC fucosidase transfucosylated different acceptor sugars, achieving fucose equivalent concentrations of 0.94 ± 0.09 mg/mL, 4.11 ± 0.21 mg/mL, and 4.08 ± 0.15 mg/mL of fucosylgalatose, fucosylglucose and fucosylsucrose, respectively.
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Affiliation(s)
- José Antonio Curiel
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA-CSIC), Carretera de La Coruña Km 7.5, Madrid 28040, Spain.
| | - Estela de Vega
- Unidad de Servicio de Técnicas Analíticas, Instituto de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN-CSIC), Calle José Antonio Nováis, 10, Madrid 28040, Spain
| | - Susana Langa
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA-CSIC), Carretera de La Coruña Km 7.5, Madrid 28040, Spain
| | - Ángela Peirotén
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA-CSIC), Carretera de La Coruña Km 7.5, Madrid 28040, Spain
| | - José María Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA-CSIC), Carretera de La Coruña Km 7.5, Madrid 28040, Spain
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Langa S, Peirotén Á, Rodríguez S, Calzada J, Prieto-Paredes R, Curiel JA, Landete JM. Riboflavin bio-enrichment of soy beverage by selected roseoflavin-resistant and engineered lactic acid bacteria. Int J Food Microbiol 2024; 411:110547. [PMID: 38150774 DOI: 10.1016/j.ijfoodmicro.2023.110547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 11/27/2023] [Accepted: 12/17/2023] [Indexed: 12/29/2023]
Abstract
Some lactic acid bacteria (LAB) have the ability to synthesize riboflavin, a trait linked to the presence of ribG, ribB, ribA and ribH genes located in the rib operon. Previous screening of riboflavin producers identified several LAB strains belonging to different species with this ability, but none of them surpassed 0.25 mg/L production of the vitamin. In this study, we explored two strategies to obtain riboflavin-overproducing strains: by roseoflavin selection of mutants, and by the transformation of selected strains with plasmids pNZ:TuR.rib or pNZ:TuB.rib containing the genes ribG, ribB, ribA and ribH from Lactococcus cremoris MG1363. The resulting riboflavin-overproducing strains were able to produce yields between 0.5 and 6 mg/L in culture media and several of them were selected for the fermentation of soy beverages. Riboflavin in bio-enriched soy beverages was evaluated by direct fluorescence measurement and high-performance liquid chromatography-fluorescence analysis. Soy beverages fermented with the recombinant strains Lactococcus cremoris ESI 277 pNZ:TuB.rib and Lactococcus lactis INIA 12 pNZ:TuR.rib showed the highest riboflavin yields (>5 mg/L) after 24 h fermentation. On the other hand, roseoflavin-resistant mutant Limosilactobacillus fermentum INIA P143R2 was able to enrich fermented soy beverages with 1.5 mg/L riboflavin. Riboflavin-overproducing LAB strains constitute a good option for riboflavin enrichment of soy beverages by fermentation and the commercialization of such beverages could be very useful to prevent riboflavin deficiency.
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Affiliation(s)
- Susana Langa
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain.
| | - Ángela Peirotén
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Susana Rodríguez
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Javier Calzada
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Rubén Prieto-Paredes
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - José Antonio Curiel
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - José María Landete
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
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Ruiz de la Bastida A, Peirotén Á, Langa S, Rodríguez-Mínguez E, Curiel JA, Arqués JL, Landete JM. Fermented soy beverages as vehicle of probiotic lactobacilli strains and source of bioactive isoflavones: A potential double functional effect. Heliyon 2023; 9:e14991. [PMID: 37095934 PMCID: PMC10121624 DOI: 10.1016/j.heliyon.2023.e14991] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 02/14/2023] [Accepted: 03/23/2023] [Indexed: 04/05/2023] Open
Abstract
Soy beverages can be a source of bioactive isoflavones, with potential human health benefits. In this work, the suitability of three Lacticaseibacillus and three Bifidobacterium probiotic strains as functional starters for soy beverage fermentation were evaluated, alongside with the effect of refrigerated storage on the viability of the strains and the isoflavone composition of the fermented beverages. The three bifidobacteria strains suffered a decrease in their viability during refrigeration and only Bifidobacterium breve INIA P734 produced high concentrations of bioactive isoflavones. Meanwhile, L. rhamnosus GG and L. rhamnosus INIA P344 produced high levels of aglycones and, with L. paracasei INIA P272, maintained their viability during the refrigeration period, constituting promising starters to obtain functional soy beverages that could gather the benefits of the bioactive isoflavone aglycones and the probiotic strains. Moreover, the three lactobacilli caused an increase in the antioxidant capacity of the fermented beverages, which was maintained over the refrigerated storage.
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Ruiz de la Bastida A, Langa S, Peirotén Á, Fernández-Gonzalez R, Sánchez-Jiménez A, Maroto Oltra M, Luis Arqués J, Gutierrez-Adan A, María Landete J. Effect of fermented soy beverage in aged female mice model. Food Res Int 2023; 169:112745. [DOI: 10.1016/j.foodres.2023.112745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/16/2023] [Accepted: 03/18/2023] [Indexed: 04/08/2023]
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Langa S, Peirotén Á, Curiel JA, de la Bastida AR, Landete JM. Isoflavone Metabolism by Lactic Acid Bacteria and Its Application in the Development of Fermented Soy Food with Beneficial Effects on Human Health. Foods 2023; 12:1293. [PMID: 36981219 PMCID: PMC10048179 DOI: 10.3390/foods12061293] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/08/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
Isoflavones are phenolic compounds (considered as phytoestrogens) with estrogenic and antioxidant function, which are highly beneficial for human health, especially in the aged population. However, isoflavones in foods are not bioavailable and, therefore, have low biological activity. Additionally, their transformation into bioactive compounds by microorganisms is necessary to obtain bioavailable isoflavones with beneficial effects on human health. Many lactic acid bacteria (LAB) can transform the methylated and glycosylated forms of isoflavones naturally present in foods into more bioavailable aglycones, such as daidzein, genistein and glycitein. In addition, certain LAB strains are capable of transforming isoflavone aglycones into compounds with a greater biological activity, such as dihydrodaidzein (DHD), O-desmethylangolensin (O-DMA), dihydrogenistein (DHG) and 6-hydroxy-O-desmethylangolensin (6-OH-O-DMA). Moreover, Lactococcus garviae 20-92 is able to produce equol. Another strategy in the bioconversion of isoflavones is the heterologous expression of genes from Slackia isoflavoniconvertens DSM22006, which have allowed the production of DHD, DHG, equol and 5-hydroxy-equol in high concentrations by engineered LAB strains. Accordingly, the consequences of isoflavone metabolism by LAB and its application in the development of foods enriched in bioactive isoflavones, as well as health benefits attributed to their consumption, will be addressed in this work.
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Affiliation(s)
| | | | | | | | - José María Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
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Prieto-Paredes R, Landete JM, Peirotén Á, Curiel JA, Langa S. Polymerase chain reaction for molecular detection of the genes involved in the production of riboflavin in lactic acid bacteria. J Microbiol Methods 2023; 206:106678. [PMID: 36708929 DOI: 10.1016/j.mimet.2023.106678] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/23/2023] [Accepted: 01/23/2023] [Indexed: 01/26/2023]
Abstract
Some lactic acid bacteria (LAB) strains have the ability to synthesize riboflavin, a trait linked to the presence of ribG, ribB, ribA and ribH genes in the rib operon. Multiple sequence alignments of these genes showed that these sequences are not identical in different LAB species, so primers designed to detect these genes in one species do not always work with others. Therefore, we designed degenerate primers based on sequences from Lactococcus lactis MG1363, Levilactobacillus brevis ATCC 367 and Limosilactobacillus fermentum IFO3956, and established optimal PCR conditions for the detection of rib genes in different LAB species. Simultaneously, we selected riboflavin-producing LAB strains from our bacterial collection belonging to the species L. brevis, L. fermentum, L. lactis, Leuconostoc mesenteroides and Lactiplantibacillus plantarum, and we were able to detect ribG, ribB, ribA and ribH genes in these strains by PCR using the designed primers. Thus, the development of degenerate primers and optimal PCR conditions for the detection of ribG, ribB, ribA and ribH genes in LAB allowed the detection and the selection of potential riboflavin-producing strains of different species, which could be good candidates for the development of riboflavin-enriched functional foods.
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Affiliation(s)
- Rubén Prieto-Paredes
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain
| | - José María Landete
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain
| | - Ángela Peirotén
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain
| | - José Antonio Curiel
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain
| | - Susana Langa
- Departamento de Tecnología de Alimentos, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040, Madrid, Spain.
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Langa S, Peirotén Á, Curiel JA, Arqués JL, Landete JM. Promoters for the expression of food-grade selectable markers in lactic acid bacteria and bifidobacteria. Appl Microbiol Biotechnol 2022; 106:7845-7856. [DOI: 10.1007/s00253-022-12237-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/04/2022] [Accepted: 10/07/2022] [Indexed: 11/24/2022]
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Ruiz de la Bastida A, Peirotén Á, Langa S, Álvarez I, Arqués JL, Landete JM. Metabolism of flavonoids and lignans by lactobacilli and bifidobacteria strains improves the nutritional properties of flaxseed-enriched beverages. Food Res Int 2021; 147:110488. [PMID: 34399484 DOI: 10.1016/j.foodres.2021.110488] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/14/2021] [Accepted: 05/23/2021] [Indexed: 11/26/2022]
Abstract
Flaxseed (Linum usitatissimum L.) is of interest as functional food because of the presence of compounds in its composition with potential health benefits, such as fatty acid omega-3, fiber, lignans and flavonoids. The bioactivity of lignans and flavonoids depends greatly on bacterial metabolism. Previously, lactobacilli and bifidobacteria strains were described to produce enterolignans and bioactive flavonoids (herbacetin, quercetin, quercetagetin, kaempferol, naringenin and eriodictyol) from flaxseed extracts and/or from secoisolariciresinol (SECO) in culture medium. In this work, cow's milk and soy beverage were supplemented with flaxseed extracts and fermented with selected lactobacilli and bifidobacteria strains. Lacticaseibacillus rhamnosus INIA P224, Limosilactobacillus mucosae INIA P508 and Lactiplantibacillus plantarum ESI 144 were capable of producing enterolactone (ENL) in both beverages supplemented with flaxseed, in addition to matairesinol and the flavonoids daidzein, genistein, glycitein, quercetin, naringenin, kaempferol and eriodictyol. On the other hand, Bifidobacterium breve INIA P367, Bifidobacterium pseudocatenulatum INIA P815 and Bifidobacterium pseudocatenulatum INIA P946 were able to produce quercetin, quercetagetin and high concentrations of herbacetin and SECO, in addition to pinoresinol, matairesinol, daidzein, genistein, naringenin, kaempferol and eriodictyol. The co-incubation of Lacticaseibacillus paracasei INIA P74 and Ligilactobacillus salivarius INIA P183 with Lactococcus lactis MG1363 harboring the food grade vector pLEB590.gly913, facilitated the production of ENL in soy beverage enriched with flaxseed. In this work, it is demonstrated how lactobacilli and bifidobacteria strains can improve the nutritional properties of flaxseed-enriched beverages, providing metabolites of great interest for human health.
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Affiliation(s)
- Ana Ruiz de la Bastida
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Ángela Peirotén
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Susana Langa
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Inmaculada Álvarez
- Unidad de Servicio de Técnicas Analíticas, Instrumentales y Microbiología (USTA), Instituto de Ciencia y Tecnología de los Alimentos y Nutrición (ICTAN-CSIC), José Antonio Novais, 10, 28040 Madrid, Spain
| | - Juan Luis Arqués
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - José Mª Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain.
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Curiel JA, Peirotén Á, Landete JM, Ruiz de la Bastida A, Langa S, Arqués JL. Architecture Insight of Bifidobacterial α-L-Fucosidases. Int J Mol Sci 2021; 22:8462. [PMID: 34445166 PMCID: PMC8395109 DOI: 10.3390/ijms22168462] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/03/2021] [Accepted: 08/04/2021] [Indexed: 01/12/2023] Open
Abstract
Fucosylated carbohydrates and glycoproteins from human breast milk are essential for the development of the gut microbiota in early life because they are selectively metabolized by bifidobacteria. In this regard, α-L-fucosidases play a key role in this successful bifidobacterial colonization allowing the utilization of these substrates. Although a considerable number of α-L-fucosidases from bifidobacteria have been identified by computational analysis, only a few of them have been characterized. Hitherto, α-L-fucosidases are classified into three families: GH29, GH95, and GH151, based on their catalytic structure. However, bifidobacterial α-L-fucosidases belonging to a particular family show significant differences in their sequence. Because this fact could underlie distinct phylogenetic evolution, here extensive similarity searches and comparative analyses of the bifidobacterial α-L-fucosidases identified were carried out with the assistance of previous physicochemical studies available. This work reveals four and two paralogue bifidobacterial fucosidase groups within GH29 and GH95 families, respectively. Moreover, Bifidobacterium longum subsp. infantis species exhibited the greatest number of phylogenetic lineages in their fucosidases clustered in every family: GH29, GH95, and GH151. Since α-L-fucosidases phylogenetically descended from other glycosyl hydrolase families, we hypothesized that they could exhibit additional glycosidase activities other than fucosidase, raising the possibility of their application to transfucosylate substrates other than lactose in order to synthesis novel prebiotics.
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Affiliation(s)
- José Antonio Curiel
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA-CSIC), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain; (Á.P.); (J.M.L.); (A.R.d.l.B.); (S.L.); (J.L.A.)
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Ruiz de la Bastida A, Peirotén Á, Langa S, Arqués JL, Landete JM. Heterologous production of equol by lactic acid bacteria strains in culture medium and food. Int J Food Microbiol 2021; 360:109328. [PMID: 34281716 DOI: 10.1016/j.ijfoodmicro.2021.109328] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/30/2021] [Accepted: 07/05/2021] [Indexed: 11/16/2022]
Abstract
The isoflavones daidzin and genistin, present in soybeans, can be transformed by the intestinal microbiota into equol and 5-hydroxy-equol, compounds with enhanced availability and bioactivity, although these are only produced by a fraction of the population. Hence, there is an interest in the production of these compounds, although, to date, few bacteria with biotechnological interest and applicability in food have been found able to produce equol. In order to obtain lactic acid bacteria able to produce equol, the daidzein reductase (dzr), dihydrodaidzein reductase (ddr), tetrahydrodaidzein reductase (tdr) and dihydrodaidzein racemase (ifcA) genes, from Slackia isoflavoniconvertens DSM22006, were cloned into the vector pNZ:TuR, under a strong constitutive promoter (TuR). Lactococcus lactis MG1363, Lacticaseibacillus casei BL23, Lactiplantibacillus plantarum WCFS1, Limosilactobacillus fermentum INIA 584L and L. fermentum INIA 832L, harbouring pNZ:TuR.tdr.ddr, were able to produce equol from dihydrodaidzein, while L. fermentum strains showed also production of 5-hydroxy-equol from dihydrogenistein. The metabolization of daidzein and genistein by the combination of strains harbouring pNZ:TuR.dzr and pNZ:TuR.tdr.ddr showed similar results, and the addition of the correspondent strain harbouring pNZ:TuR.ifcA resulted in an increase of equol production, but only in the L. fermentum strains. This pattern of equol and 5-hydroxy-equol production by L. fermentum strains was also confirmed in cow's milk supplemented with daidzein and genistein and incubated with the different combination of strains harbouring the constructed plasmids. Bacteria generally recognized as safe (GRAS), such as the lactic acid bacteria species used in this work, harbouring these plasmids, would be of value for the development of fermented vegetal foods enriched in equol and 5-hydroxy-equol.
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Affiliation(s)
- Ana Ruiz de la Bastida
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Ángela Peirotén
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Susana Langa
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Juan Luis Arqués
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - José María Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain.
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Peirotén Á, Gaya P, Mª Landete J. Application of recombinant lactic acid bacteria and bifidobacteria able to enrich soy beverage in dihydrodaidzein and dihydrogenistein. Food Res Int 2020; 134:109257. [DOI: 10.1016/j.foodres.2020.109257] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 03/31/2020] [Accepted: 04/18/2020] [Indexed: 10/24/2022]
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D'Arrigo M, Mateo-Vivaracho L, Guillamón E, Fernández-León MF, Bravo D, Peirotén Á, Medina M, García-Lafuente A. Characterization of persistent Listeria monocytogenes strains from ten dry-cured ham processing facilities. Food Microbiol 2020; 92:103581. [PMID: 32950165 DOI: 10.1016/j.fm.2020.103581] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 06/04/2020] [Accepted: 06/23/2020] [Indexed: 11/24/2022]
Abstract
The majority of cases of listeriosis are associated with the consumption of contaminated food. Some strains of Listeria monocytogenes can persist over months or years in meat processing plants increasing the risk of product contamination. The presence of L. monocytogenes was examined in 10 dry-cured ham processing facilities. A total of 1801 samples were collected from environment and equipment, during processing (1095) and after cleaning and disinfection (706). These samples were taken from non-food contact (736) and food contact (1065) surfaces. In addition, 204 samples from ham surfaces were also analysed. Prevalence varied from 6% to 34% among facilities, and was higher during processing than after cleaning and disinfection (24.8% vs 11.0%) and from non-food than from food contact surfaces (22.6% vs 17.4%). L. monocytogenes serotype 1/2a was predominant (53.9%), followed by 1/2c (26.0%) and 1/2b (15.3%) and less frequently 4b (4.8%). A total of 142 different pulsotypes were registered. Potential persistent L.monocytogenes strains were isolated in 9 out the 10 facilities, with no more than 6 pulsotypes in a given plant. Two pulsotypes were common in different installations, detected before and after cleaning and disinfection, highlighting the importance of monitoring the presence of this pathogen in dry-cured ham processing environments.
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Affiliation(s)
- Matilde D'Arrigo
- Centro para la Calidad de los Alimentos, INIA, José Tudela s/n, 42004 Soria, Spain
| | | | - Eva Guillamón
- Centro para la Calidad de los Alimentos, INIA, José Tudela s/n, 42004 Soria, Spain
| | | | - Daniel Bravo
- Departamento de Tecnología de Alimentos, INIA, Carretera de La Coruña Km 7, 28040 Madrid, Spain
| | - Ángela Peirotén
- Departamento de Tecnología de Alimentos, INIA, Carretera de La Coruña Km 7, 28040 Madrid, Spain
| | - Margarita Medina
- Departamento de Tecnología de Alimentos, INIA, Carretera de La Coruña Km 7, 28040 Madrid, Spain
| | - Ana García-Lafuente
- Centro para la Calidad de los Alimentos, INIA, José Tudela s/n, 42004 Soria, Spain.
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Landete JM, Langa S, Escudero C, Peirotén Á, Arqués JL. Fluorescent detection of nisin by genetically modified Lactococcus lactis strains in milk and a colonic model: Application of whole-cell nisin biosensors. J Biosci Bioeng 2020; 129:435-440. [PMID: 31757606 DOI: 10.1016/j.jbiosc.2019.10.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/25/2019] [Accepted: 10/28/2019] [Indexed: 11/30/2022]
Abstract
Detection of bioactive peptides in complex ecosystems like intestinal environment is a difficult task. In this study, we developed two new bioreporters for nisin based on Lactococcus lactis NZ9000 transformed with the vector pNZ:Nis-aFP or pNZ:Nis-mCherry, that encoded for the anaerobic fluorescent protein evoglow-Pp1 (aFP) or the fluorescent protein mCherry, respectively. The biosensors were used to study nisin A production by L. lactis INIA 650 in milk and in a colonic model. The use of L. lactis NZ9000 pNZ:Nis-aFP as a biosensor allowed the detection of nisin produced by L. lactis INIA 650 in milk, but not in the in vitro colonic model. In milk, this reporter was induced by direct addition of 10 ng/ml nisin while, in the colonic model, nisin concentrations of 50 ng/ml were necessary. However, the reporter system based on pNZ:Nis-mCherry showed a higher sensibility, detecting nisin concentrations of 1 ng/ml produced by L. lactis INIA 650 in colonic media using agar diffusion or cross streak bioassays.
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Affiliation(s)
- José M Landete
- Departamento de Tecnología de Alimentos, INIA, Carretera de la Coruña Km 7.5, 28040 Madrid, Spain
| | - Susana Langa
- Departamento de Tecnología de Alimentos, INIA, Carretera de la Coruña Km 7.5, 28040 Madrid, Spain.
| | - Carlos Escudero
- Departamento de Tecnología de Alimentos, INIA, Carretera de la Coruña Km 7.5, 28040 Madrid, Spain
| | - Ángela Peirotén
- Departamento de Tecnología de Alimentos, INIA, Carretera de la Coruña Km 7.5, 28040 Madrid, Spain
| | - Juan L Arqués
- Departamento de Tecnología de Alimentos, INIA, Carretera de la Coruña Km 7.5, 28040 Madrid, Spain
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Montiel R, Peirotén Á, Ortiz S, Bravo D, Gaya P, Martínez-Suárez JV, Tapiador J, Nuñez M, Medina M. Inactivation of Listeria monocytogenes during dry-cured ham processing. Int J Food Microbiol 2020; 318:108469. [DOI: 10.1016/j.ijfoodmicro.2019.108469] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 09/10/2019] [Accepted: 12/01/2019] [Indexed: 01/11/2023]
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Peirotén Á, Gaya P, Álvarez I, Mª Landete J. Production of O-desmethylangolensin, tetrahydrodaidzein, 6'-hydroxy-O-desmethylangolensin and 2-(4-hydroxyphenyl)-propionic acid in fermented soy beverage by lactic acid bacteria and Bifidobacterium strains. Food Chem 2020; 318:126521. [PMID: 32151927 DOI: 10.1016/j.foodchem.2020.126521] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 02/05/2020] [Accepted: 02/28/2020] [Indexed: 12/25/2022]
Abstract
Isoflavones intake is associated with health benefits. The metabolism of isoflavones by bacteria plays a key role in their biotransformation. Therefore, commercial soy drink was fermented by 11 lactic acid bacteria (LAB) and 9 bifidobacteria strains. The majority of the strains showed deglycosylation of the isoflavone glycosides present in soy drink and appearance of the aglycones daidzein, genistein and glycitein. Moreover, we observed the further transformation of daidzein into O-desmethylangolensin (O-DMA) and tetrahydrodaidzein, alongside with dihydrodaidzein (DHD) and a putative isomer of DHD. On the other hand, genistein was transformed by nearly all strains into 6-hydroxy-O-desmethylangolensin (6-hydroxy-O-DMA), but no dihydrogenistein production was registered. A high concentration of 2-(4-hydroxyphenyl)-propionic acid was observed, suggesting the degradation of O-DMA and 6-hydroxy-O-DMA. The potential of LAB and Bifidobacterium strains to produce functional soy drink enriched with bioactive isoflavones is demonstrated in this work.
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Affiliation(s)
- Ángela Peirotén
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de la Coruña Km 7.5, 28040 Madrid, Spain
| | - Pilar Gaya
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de la Coruña Km 7.5, 28040 Madrid, Spain
| | - Inmaculada Álvarez
- Unidad de Servicio de Técnicas Analíticas, Instrumentales y Microbiología (USTA), Instituto de Ciencia y Tecnología de los Alimentos y Nutrición (ICTAN-CSIC), José Antonio Novais, 10, 28040 Madrid, Spain
| | - José Mª Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de la Coruña Km 7.5, 28040 Madrid, Spain.
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Peirotén Á, Álvarez I, Landete JM. Production of flavonoid and lignan aglycones from flaxseed and soy extracts by
Bifidobacterium
strains. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14459] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Ángela Peirotén
- Departamento de Tecnología de Alimentos Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA) Carretera de La Coruña Km 7.5 28040 Madrid Spain
| | - Inmaculada Álvarez
- Unidad de Servicio de Técnicas Analíticas, Instrumentales y Microbiología (USTA) Instituto de Ciencia y Tecnología de los Alimentos y Nutrición (ICTAN‐CSIC) José Antonio Novais, 10 28040 Madrid Spain
| | - José Mª Landete
- Departamento de Tecnología de Alimentos Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA) Carretera de La Coruña Km 7.5 28040 Madrid Spain
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Abstract
Phytoestrogens (PE) are compounds found in plants such as soy (isoflavones), flax seeds and cereals (lignans) and pomegranates (ellagitannins). PE have shown estrogenic/antiestrogenic, antioxidant, anti-inflammatory, antineoplastic and apoptotic activities. The human studies are showing promising although inconsistent results about the beneficial effects of PE on ameliorating the menopausal symptoms or reducing the risk of certain cancers, cardiovascular disease or diabetes. The effects of PE on the organism are mediated by the intestinal microbiota, which transforms them into bioactive PE such as genistein, equol, enterolignans and certain urolithins. In this work, we review the most recent findings about the bacteria able to metabolize PE, together with the latest studies on the effects of PE on health. In addition, we describe the possible factors hindering the demonstration of the beneficial effect of PE on health, evincing the importance of measuring the actual circulating PE in order to encompass the variability of PE metabolism due to the intestinal microbiota. With this in mind, we also explore an approach to ensure the access to bioactive PE.
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Affiliation(s)
- Ángela Peirotén
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
| | - Daniel Bravo
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
| | - José M Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
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Martínez-Fernández JA, Bravo D, Peirotén Á, Arqués JL, Landete JM. Bile-induced promoters for gene expression in Lactobacillus strains. Appl Microbiol Biotechnol 2019; 103:3819-3827. [DOI: 10.1007/s00253-019-09743-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 02/14/2019] [Accepted: 03/05/2019] [Indexed: 12/18/2022]
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Peirotén Á, Gaya P, Álvarez I, Bravo D, Landete JM. Influence of different lignan compounds on enterolignan production by Bifidobacterium and Lactobacillus strains. Int J Food Microbiol 2018; 289:17-23. [PMID: 30193121 DOI: 10.1016/j.ijfoodmicro.2018.08.028] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 06/04/2018] [Accepted: 08/27/2018] [Indexed: 12/21/2022]
Abstract
Enterolignans, i.e. enterodiol and enterolactone, are polyphenols derived from the microbial metabolism of dietary lignans. They are considered phytoestrogens because of their estrogenic/antiestrogenic activity, which confers them benefits to human health when they reach sufficient levels in plasma. Hence, there is a great interest in studying the bacteria involved in enterolignan production. In the present study, three bifidobacterial strains (Bifidobacterium bifidum INIA P466, Bifidobacterium catenulatum INIA P732 and Bifidobacterium pseudolongum INIA P2) were found capable of producing low levels of enterodiol (2-11 μM) from lignan extracts; while another one (Bifidobacterium pseudocatenulatum INIA P946) was found to produce an important increment of the lignan secoisolariciresinol (SECO). Subsequently, the three enterodiol-producing bifidobacteria and another three Lactobacillus strains previously identified as enterolignans producers (Lactobacillus gasseri INIA P508, Lactobacillus salivarius INIA P448 and Lb. salivarius INIA P183), were tested on pure lignans yielding both enterodiol and enterolactone from secoisolariciresinol (SECO), while they did not metabolised the other lignan tested (i.e. matairesinol). B. catenulatum INIA P732 and Lb. gasseri INIA P508 were the strains that transformed the greatest percentage of SECO, yielding enterolactone concentrations above 2 mM. In addition, the formation of the intermediate compound dihydroxyenterodiol was observed as part of SECO transformation by all the strains. In this work, we have demonstrated for the first time how strains of Bifidobacterium and Lactobacillus are capable of carrying out the complete enterolignan metabolism, transforming a purified lignan (SECO) into enterodiol and enterolactone. The isolation and characterization of bacteria able to metabolize lignans and produce enterolignans, especially belonging to Bifidobacterium and Lactobacillus genera, is of biotechnological interest, because of their potential application in functional foods and as probiotics.
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Affiliation(s)
- Ángela Peirotén
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Pilar Gaya
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - Inmaculada Álvarez
- Unidad de Servicio de Técnicas Analíticas, Instrumentales y Microbiología (USTA), Instituto de Ciencia y Tecnología de los Alimentos y Nutrición (ICTAN-CSIC), José Antonio Novais, 10, 28040 Madrid, Spain
| | - Daniel Bravo
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain
| | - José Mª Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Carretera de La Coruña Km 7.5, 28040 Madrid, Spain.
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Gaya P, Peirotén Á, Álvarez I, Medina M, Landete JM. Production of the bioactive isoflavone O-desmethylangolensin by Enterococcus faecium INIA P553 with high efficiency. J Funct Foods 2018. [DOI: 10.1016/j.jff.2017.11.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Gaya P, Peirotén Á, Landete JM. Transformation of plant isoflavones into bioactive isoflavones by lactic acid bacteria and bifidobacteria. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.10.029] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
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Gaya P, Sánchez-Jiménez A, Peirotén Á, Medina M, Landete JM. Incomplete metabolism of phytoestrogens by gut microbiota from children under the age of three. Int J Food Sci Nutr 2017; 69:334-343. [DOI: 10.1080/09637486.2017.1353955] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Pilar Gaya
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
| | - Abel Sánchez-Jiménez
- Departamento de Matemática Aplicada (Biomatemática), Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, Madrid, Spain
| | - Ángela Peirotén
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
| | - Margarita Medina
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
| | - José Maria Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
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Landete JM, Peirotén Á, Medina M, Arqués JL, Rodríguez-Mínguez E. Virulence and Antibiotic Resistance of Enterococci Isolated from Healthy Breastfed Infants. Microb Drug Resist 2017; 24:63-69. [PMID: 28708453 DOI: 10.1089/mdr.2016.0320] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Pathogenic ability has been extensively studied in clinical enterococci, but to a lesser extent in community-derived ones. Most studies to date in enterococci from healthy infants have been focused on Enterococcus faecalis, despite the growing concern about nosocomial infections caused by E. faecium. In this work, we studied the antibiotic resistance and virulence determinants of 26 E. faecalis and 15 E. faecium intestinal isolates from Spanish healthy breastfed infants. Overall, commensal enterococci studied contained antibiotic resistance and virulence genes, although their patterns were not according to those described for antibiotic-resistant hospital-associated enterococci. None of the isolates was resistant to vancomycin, although the majority showed resistance to some antibiotics. E. faecalis isolates harbored considerably more virulence determinants than E. faecium isolates, but some genes linked to colonization were abundant in both species. Hemolysin activity was not detected in any of the isolates; and the gelatinase gene, when present, was silent in E. faecium, whereas gelatinase activity occurred in half of the E. faecalis isolates studied. These results suggest an ambivalent role of some virulence determinants as elements of pathogenesis.
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Affiliation(s)
- José M Landete
- Departamento de Tecnología de Alimentos, INIA , Madrid, Spain
| | - Ángela Peirotén
- Departamento de Tecnología de Alimentos, INIA , Madrid, Spain
| | | | - Juan L Arqués
- Departamento de Tecnología de Alimentos, INIA , Madrid, Spain
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Landete JM, Peirotén Á, Medina M, Arqués JL. Short communication: Labeling Listeria with anaerobic fluorescent protein for food safety studies. J Dairy Sci 2017; 100:113-117. [DOI: 10.3168/jds.2016-11226] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 09/19/2016] [Indexed: 11/19/2022]
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Montiel R, Martín-Cabrejas I, Peirotén Á, Medina M. Reuterin, lactoperoxidase, lactoferrin and high hydrostatic pressure treatments on the characteristics of cooked ham. INNOV FOOD SCI EMERG 2016. [DOI: 10.1016/j.ifset.2016.04.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Gaya P, Peirotén Á, Medina M, Landete JM. Isoflavone metabolism by a collection of lactic acid bacteria and bifidobacteria with biotechnological interest. Int J Food Sci Nutr 2016; 67:117-24. [PMID: 26878882 DOI: 10.3109/09637486.2016.1144724] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Almost all soy isoflavones exist as glycosides, daidzin, genistin, and glycitin. We analyzed the capacity of 92 strains of lactic acid bacteria (LAB) and bifidobacteria with biotechnological interest to process the glycosylated isoflavones daidzin, genistin, and glycitin in their more bioavailable aglycones and their metabolites as dihydrodaidzein (DHD), O-desmethylangolensin, and equol. Representative strains of the four genera studied Lactobacillus, Enterococcus, Lactococcus, and Bifidobacterium were able to produce daidzein, genistein, and glycitein, with the exception of the lactobacilli, which did not produced glycitein in soy extracts. The production of the aglycone isoflavones could be correlated with the β-glucosidase activity of the strains. The isoflavone metabolism is limited to the glycoside hydrolysis in the most of these strains. Moreover, Enterococcus faecalis INIA P333 and Lactobacillus rhamnosus INIA P540 were able to transform daidzein in DHD. LAB and bifidobacteria studied in the present work have a great potential in the metabolism of isoflavones and could be selected for the development of functional fermented soy foods.
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Affiliation(s)
- Pilar Gaya
- a Departamento De Tecnología De Alimentos , Instituto Nacional De Investigación Y Tecnología Agraria Y Alimentaria (INIA) , Madrid , Spain
| | - Ángela Peirotén
- a Departamento De Tecnología De Alimentos , Instituto Nacional De Investigación Y Tecnología Agraria Y Alimentaria (INIA) , Madrid , Spain
| | - Margarita Medina
- a Departamento De Tecnología De Alimentos , Instituto Nacional De Investigación Y Tecnología Agraria Y Alimentaria (INIA) , Madrid , Spain
| | - José Maria Landete
- a Departamento De Tecnología De Alimentos , Instituto Nacional De Investigación Y Tecnología Agraria Y Alimentaria (INIA) , Madrid , Spain
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Gómez-Torres N, Garde S, Peirotén Á, Ávila M. Impact of Clostridium spp. on cheese characteristics: Microbiology, color, formation of volatile compounds and off-flavors. Food Control 2015. [DOI: 10.1016/j.foodcont.2015.03.025] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Rodríguez E, Peirotén Á, Landete JM, Medina M, Arqués JL. Gut Catalase-Positive Bacteria Cross-Protect Adjacent Bifidobacteria from Oxidative Stress. Microbes Environ 2015; 30:270-2. [PMID: 26040451 PMCID: PMC4567566 DOI: 10.1264/jsme2.me15025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Bifidobacteria isolated from infant gut and breast milk exhibited different abilities to grow under microaerobic conditions, alone or in the presence of added catalase. In the present study, we demonstrated that some Bifidobacterium strains unable to grow under microaerobic conditions were cross-protected on solid media from oxidative stress by adjacent colonies of gut catalase-positive Staphylococcus epidermidis or Escherichia coli, but not by a catalase-deficient E. coli. The results of this study support the possible contribution of catalase-positive bacteria to the establishment of certain bifidobacteria in non-anaerobic human niches of the infant gastrointestinal tract or mammary gland.
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Landete JM, Arqués JL, Peirotén Á, Langa S, Medina M. An improved method for the electrotransformation of lactic acid bacteria: A comparative survey. J Microbiol Methods 2014; 105:130-3. [DOI: 10.1016/j.mimet.2014.07.022] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 07/21/2014] [Indexed: 11/25/2022]
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Landete JM, Peirotén Á, Rodríguez E, Margolles A, Medina M, Arqués JL. Anaerobic green fluorescent protein as a marker of Bifidobacterium strains. Int J Food Microbiol 2014; 175:6-13. [DOI: 10.1016/j.ijfoodmicro.2014.01.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Accepted: 01/11/2014] [Indexed: 12/20/2022]
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Rodríguez E, Arqués JL, Rodríguez R, Peirotén Á, Landete JM, Medina M. Antimicrobial properties of probiotic strains isolated from breast-fed infants. J Funct Foods 2012. [DOI: 10.1016/j.jff.2012.02.015] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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