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Utama GL, Oktaviani L, Balia RL, Rialita T. Potential Application of Yeast Cell Wall Biopolymers as Probiotic Encapsulants. Polymers (Basel) 2023; 15:3481. [PMID: 37631538 PMCID: PMC10459707 DOI: 10.3390/polym15163481] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 08/01/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Biopolymers of yeast cell walls, such as β-glucan, mannoprotein, and chitin, may serve as viable encapsulants for probiotics. Due to its thermal stability, β-glucan is a suitable cryoprotectant for probiotic microorganisms during freeze-drying. Mannoprotein has been shown to increase the adhesion of probiotic microorganisms to intestinal epithelial cells. Typically, chitin is utilized in the form of its derivatives, particularly chitosan, which is derived via deacetylation. Brewery waste has shown potential as a source of β-glucan that can be optimally extracted through thermolysis and sonication to yield up to 14% β-glucan, which can then be processed with protease and spray drying to achieve utmost purity. While laminarinase and sodium deodecyle sulfate were used to isolate and extract mannoproteins and glucanase was used to purify them, hexadecyltrimethylammonium bromide precipitation was used to improve the amount of purified mannoproteins to 7.25 percent. The maximum chitin yield of 2.4% was attained by continuing the acid-alkali reaction procedure, which was then followed by dialysis and lyophilization. Separation and purification of yeast cell wall biopolymers via diethylaminoethyl (DEAE) anion exchange chromatography can be used to increase the purity of β-glucan, whose purity in turn can also be increased using concanavalin-A chromatography based on the glucan/mannan ratio. In the meantime, mannoproteins can be purified via affinity chromatography that can be combined with zymolase treatment. Then, dialysis can be continued to obtain chitin with high purity. β-glucans, mannoproteins, and chitosan-derived yeast cell walls have been shown to promote the survival of probiotic microorganisms in the digestive tract. In addition, the prebiotic activity of β-glucans and mannoproteins can combine with microorganisms to form synbiotics.
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Affiliation(s)
- Gemilang Lara Utama
- Faculty of Agro-Industrial Technology, Universitas Padjadjaran, Jalan Raya Bandung-Sumedang Km. 21, Jatinangor, Sumedang 45363, Indonesia; (L.O.); (T.R.)
- Center for Environment and Sustainability Science, Universitas Padjadjaran, Jalan Sekeloa Selatan 1 No 1, Bandung 40134, Indonesia
| | - Lidya Oktaviani
- Faculty of Agro-Industrial Technology, Universitas Padjadjaran, Jalan Raya Bandung-Sumedang Km. 21, Jatinangor, Sumedang 45363, Indonesia; (L.O.); (T.R.)
| | - Roostita Lobo Balia
- Veterinary Study Program, Faculty of Medicine, Universitas Padjadjaran, Jalan Raya Bandung-Sumedang Km. 21, Jatinangor, Sumedang 45363, Indonesia;
| | - Tita Rialita
- Faculty of Agro-Industrial Technology, Universitas Padjadjaran, Jalan Raya Bandung-Sumedang Km. 21, Jatinangor, Sumedang 45363, Indonesia; (L.O.); (T.R.)
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2
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Velázquez-Martínez RI, Criado C, Muñoz-González C, Crespo J, Pozo-Bayón MÁ. Evaluation of the Long-Lasting Flavour Perception after the Consumption of Wines Treated with Different Types of Oenological Additives Considering Individual 6-n-Propylthiouracil Taster Status. Foods 2023; 12:2835. [PMID: 37569104 PMCID: PMC10416954 DOI: 10.3390/foods12152835] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/19/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Due to the limited scientific knowledge on the impact of commercial oenological additives on flavour perception, the aim of this work was to evaluate the effect of different types of oenological additives on the long-lasting flavour perception (flavour persistence) during wine tasting, also considering the effect of the individual PROP (6-n-propylthiouracil) taster status (PTS). To do so, white and red wines with two oenotannins (ellagitannin and gallotannin) and a commercial yeast mannoprotein were prepared. A control wine of each type was also made without additives. All the wines were spiked with a mixture of aromatic compounds responsible for the "fruity" and "woody" notes. Retronasal aroma and astringency were evaluated at the same time using time-intensity (TI) methodology and a trained panel (n = 40), including PROP non-tasters (NTs) and tasters (Ts). The results showed a significant effect of PTS on the long-lasting perception of astringency, being Ts who showed higher values than NTs for most TI parameters. However, PTS did not affect aroma persistence. In addition, the three oenological additives had an effect on astringency and retronasal aroma perception. They significantly increased the long-lasting perception of astringency compared to the control, while gallotannin also increased the persistence of the woody aroma.
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Affiliation(s)
- Rafael I. Velázquez-Martínez
- Instituto de Investigacion en Ciencias de la Alimentacion, CSIC-UAM, Nicolas Cabrera 9, 28049 Madrid, Spain; (R.I.V.-M.); (C.C.); (C.M.-G.)
| | - Celia Criado
- Instituto de Investigacion en Ciencias de la Alimentacion, CSIC-UAM, Nicolas Cabrera 9, 28049 Madrid, Spain; (R.I.V.-M.); (C.C.); (C.M.-G.)
| | - Carolina Muñoz-González
- Instituto de Investigacion en Ciencias de la Alimentacion, CSIC-UAM, Nicolas Cabrera 9, 28049 Madrid, Spain; (R.I.V.-M.); (C.C.); (C.M.-G.)
| | - Julia Crespo
- Departamento de Investigación Agroambiental, Instituto Madrileño de Investigación y Desarrollo Rural, Agrario y Alimentario (IMIDRA), El Encín, A-2 km 38.2, 28805 Alcalá de Henares, Spain;
| | - María Ángeles Pozo-Bayón
- Instituto de Investigacion en Ciencias de la Alimentacion, CSIC-UAM, Nicolas Cabrera 9, 28049 Madrid, Spain; (R.I.V.-M.); (C.C.); (C.M.-G.)
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3
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Berzosa A, Delso C, Sanz J, Sánchez-Gimeno C, Raso J. Sequential extraction of compounds of interest from yeast biomass assisted by pulsed electric fields. Front Bioeng Biotechnol 2023; 11:1197710. [PMID: 37214279 PMCID: PMC10192903 DOI: 10.3389/fbioe.2023.1197710] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 04/25/2023] [Indexed: 05/24/2023] Open
Abstract
One strategy to reduce cost and improve feasibility of waste-yeast biomass valorization is to obtain a spectrum of marketable products rather than just a single one. This study explores the potential of Pulsed Electric Fields (PEF) for the development of a cascade process designed to obtain several valuable products from Saccharomyces cerevisiae yeast biomass. Yeast biomass was treated by PEF, which affected the viability of 50%, 90%, and over 99% of S. cerevisiae cells, depending on treatment intensity. Electroporation caused by PEF allowed access to the cytoplasm of the yeast cell without causing total breakdown of the cell structure. This outcome was an essential prerequisite to be able to perform a sequential extraction of several value-added biomolecules from yeast cells located in the cytosol and in the cell wall. After incubating yeast biomass previously subjected to a PEF treatment that affected the viability of 90% of cells for 24 h, an extract with 114.91 ± 2.86, 7.08 ± 0.64, and 187.82 ± 3.75 mg/g dry weight of amino acids, glutathione, and protein, respectively, was obtained. In a second step, the extract rich in cytosol components was removed after 24 h of incubation and the remaining cell biomass was re-suspended with the aim of inducing cell wall autolysis processes triggered by the PEF treatment. After 11 days of incubation, a soluble extract containing mannoproteins and pellets rich in β-glucans were obtained. In conclusion, this study proved that electroporation triggered by PEF permitted the development of a cascade procedure designed to obtain a spectrum of valuable biomolecules from S. cerevisiae yeast biomass while reducing the generation of waste.
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4
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Reis SF, Fernandes PAR, Martins VJ, Gonçalves S, Ferreira LP, Gaspar VM, Figueira D, Castelo-Branco D, Mano JF, Coimbra MA, Coelho E. Brewer's Spent Yeast Cell Wall Polysaccharides as Vegan and Clean Label Additives for Mayonnaise Formulation. Molecules 2023; 28:molecules28083540. [PMID: 37110775 PMCID: PMC10146781 DOI: 10.3390/molecules28083540] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Brewer's spent yeast (BSY) mannoproteins have been reported to possess thickening and emulsifying properties. The commercial interest in yeast mannoproteins might be boosted considering the consolidation of their properties supported by structure/function relationships. This work aimed to attest the use of extracted BSY mannoproteins as a clean label and vegan source of ingredients for the replacement of food additives and protein from animal sources. To achieve this, structure/function relationships were performed by isolating polysaccharides with distinct structural features from BSY, either by using alkaline extraction (mild treatment) or subcritical water extraction (SWE) using microwave technology (hard treatment), and assessment of their emulsifying properties. Alkaline extractions solubilized mostly highly branched mannoproteins (N-linked type; 75%) and glycogen (25%), while SWE solubilized mannoproteins with short mannan chains (O-linked type; 55%) and (1→4)- and (β1→3)-linked glucans, 33 and 12%, respectively. Extracts with high protein content yielded the most stable emulsions obtained by hand shaking, while the extracts composed of short chain mannans and β-glucans yielded the best emulsions by using ultraturrax stirring. β-Glucans and O-linked mannoproteins were found to contribute to emulsion stability by preventing Ostwald ripening. When applied in mayonnaise model emulsions, BSY extracts presented higher stability and yet similar texture properties as the reference emulsifiers. When used in a mayonnaise formulation, the BSY extracts were also able to replace egg yolk and modified starch (E1422) at 1/3 of their concentration. This shows that BSY alkali soluble mannoproteins and subcritical water extracted β-glucans can be used as replacers of animal protein and additives in sauces.
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Affiliation(s)
- Sofia F Reis
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Pedro A R Fernandes
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Vítor J Martins
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Sara Gonçalves
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Luís P Ferreira
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Vítor M Gaspar
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Diogo Figueira
- Mendes Gonçalves SA, Zona Industrial, Lote 6, 2154-909 Golegã, Portugal
| | | | - João F Mano
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Manuel A Coimbra
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Elisabete Coelho
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
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5
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Reis SF, Martins VJ, Bastos R, Lima T, Correia VG, Pinheiro BA, Silva LM, Palma AS, Ferreira P, Vilanova M, Coimbra MA, Coelho E. Feasibility of Brewer's Spent Yeast Microcapsules as Targeted Oral Carriers. Foods 2023; 12. [PMID: 36673340 DOI: 10.3390/foods12020246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/15/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023] Open
Abstract
Brewer's spent yeast (BSY) microcapsules have a complex network of cell-wall polysaccharides that are induced by brewing when compared to the baker's yeast (Saccharomyces cerevisiae) microcapsules. These are rich in (β1→3)-glucans and covalently linked to (α1→4)- and (β1→4)-glucans in addition to residual mannoproteins. S. cerevisiae is often used as a drug delivery system due to its immunostimulatory potential conferred by the presence of (β1→3)-glucans. Similarly, BSY microcapsules could also be used in the encapsulation of compounds or drug delivery systems with the advantage of resisting digestion conferred by (β1→4)-glucans and promoting a broader immunomodulatory response. This work aims to study the feasibility of BSY microcapsules that are the result of alkali and subcritical water extraction processes, as oral carriers for food and biomedical applications by (1) evaluating the resistance of BSY microcapsules to in vitro digestion (IVD), (2) their recognition by the human Dectin-1 immune receptor after IVD, and (3) the recognition of IVD-solubilized material by different mammalian immune receptors. IVD digested 44-63% of the material, depending on the extraction process. The non-digested material, despite some visible agglutination and deformation of the microcapsules, preserved their spherical shape and was enriched in (β1→3)-glucans. These microcapsules were all recognized by the human Dectin-1 immune receptor. The digested material was differentially recognized by a variety of lectins of the immune system related to (β1→3)-glucans, glycogen, and mannans. These results show the potential of BSY microcapsules to be used as oral carriers for food and biomedical applications.
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Ramos-Pineda AM, Manjón E, Macías RIR, García-Estévez I, Escribano-Bailón MT. Role of Yeast Mannoproteins in the Interaction between Salivary Proteins and Flavan-3-ols in a Cell-Based Model of the Oral Epithelium. J Agric Food Chem 2022; 70:13027-13035. [PMID: 35640024 PMCID: PMC9585572 DOI: 10.1021/acs.jafc.1c08339] [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] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Astringency is a highly complex sensation which involves multiple mechanisms occurring simultaneously, such as the interaction between flavan-3-ols and salivary proteins (SP). Moreover, astringency development can be affected by the presence of polysaccharides such as mannoproteins (MP). The aim of this work was to evaluate the molecular mechanisms whereby MP could modulate the astringency elicited by tannins, using a cell-based model of the oral epithelium (TR146 cells), and the effect of salivary proteins on these interactions. The binding of flavan-3-ols to oral cells was evaluated by DMACA assay, while the content of unbound flavan-3-ols after the interactions was assessed by means of HPLC-DAD-MS. Results obtained confirm the existence of cell-tannin interactions, that can be partially inhibited by the presence of SP and/or MP. The most significant decrease was obtained in the system containing MPF (38.16%). Both mannoproteins assayed seem to have modulating effect on flavan-3-ol-SP interactions, acting by two different mechanisms: MPF would lead to the formation of SP/MPF/flavan-3-ols ternary soluble aggregates, while MPL seems to prevent flavan-3-ol-saliva interaction by a competitive mechanism, i.e., MPL would reduce cell-tannin interactions, similar to SP. This study suggests that mannoproteins with different compositional characteristics could exhibit preferential interaction with distinct flavan-3-ol families.
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Affiliation(s)
- A. M. Ramos-Pineda
- Grupo
de Investigación en Polifenoles (GIP), Departamento de Química
Analítica, Nutrición y Bromatología, Facultad
de Farmacia, Universidad de Salamanca, Salamanca, E37007, España
- Natac
Biotech S.L., C/Electrónica
7, E28923 Alcorcón, Spain
| | - E. Manjón
- Grupo
de Investigación en Polifenoles (GIP), Departamento de Química
Analítica, Nutrición y Bromatología, Facultad
de Farmacia, Universidad de Salamanca, Salamanca, E37007, España
| | - R. I. R. Macías
- Experimental
Hepatology and Drug Targeting (HEVEPHARM) Group, Institute of Biomedical
Research of Salamanca (IBSAL), CIBERehd, Universidad de Salamanca, Salamanca, E37007, Spain
| | - I. García-Estévez
- Grupo
de Investigación en Polifenoles (GIP), Departamento de Química
Analítica, Nutrición y Bromatología, Facultad
de Farmacia, Universidad de Salamanca, Salamanca, E37007, España
| | - M. T. Escribano-Bailón
- Grupo
de Investigación en Polifenoles (GIP), Departamento de Química
Analítica, Nutrición y Bromatología, Facultad
de Farmacia, Universidad de Salamanca, Salamanca, E37007, España
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7
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Li X, Wu J, Kang Y, Chen D, Chen G, Zeng X, Wang J. Yeast mannoproteins are expected to be a novel potential functional food for attenuation of obesity and modulation of gut microbiota. Front Nutr 2022; 9:1019344. [PMID: 36313084 PMCID: PMC9614242 DOI: 10.3389/fnut.2022.1019344] [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: 08/15/2022] [Accepted: 09/21/2022] [Indexed: 11/13/2022] Open
Abstract
The yeast mannoproteins (MPs), a major component of yeast cell walls with large exploration potentiality, have been attracting increasing attention due to their beneficial effects. However, the information about the anti-obesogenic activity of MPs is still limited. Thus, the effects of MPs on the high-fat diet (HFD)-induced obesity and dysbiosis of gut microbiota were investigated in this work. The results showed that MPs could significantly attenuate the HFD-induced higher body weight, fat accumulation, liver steatosis, and damage. Simultaneously, the inflammation in HFD-induced mice was also ameliorated by MPs. The pyrosequencing analysis showed that intervention by MPs could lead to an obvious change in the structure of gut microbiota. Furthermore, the prevention of obesity by MPs is highly linked to the promotion of Parabacteroides distasonis (increased from 0.39 ± 0.12% to 2.10 ± 0.20%) and inhibition of Lactobacillus (decreased from 19.99 ± 3.94% to 2.68 ± 0.77%). Moreover, the increased level of acetate (increased from 3.28 ± 0.22 mmol/g to 7.84 ± 0.96 mmol/g) and activation of G protein-coupled receptors (GPRs) by MPs may also contribute to the prevention of obesity. Thus, our preliminary findings revealed that MPs from yeast could be explored as potential prebiotics to modulate the gut microbiota and prevent HFD-induced obesity.
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Affiliation(s)
- Xiang Li
- School of Marine and Biological Engineering, Yancheng Teachers’ University, Yancheng, China
| | - Junsong Wu
- Department of Basic Medical Science, Jiangsu Vocational College of Medicine, Yancheng, China
| | - Yijun Kang
- School of Marine and Biological Engineering, Yancheng Teachers’ University, Yancheng, China
| | - Dan Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Guijie Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China,*Correspondence: Guijie Chen,
| | - Xiaoxiong Zeng
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China,Xiaoxiong Zeng,
| | - Jialian Wang
- School of Marine and Biological Engineering, Yancheng Teachers’ University, Yancheng, China
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8
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Shao TY, Haslam DB, Bennett RJ, Way SS. Friendly fungi: symbiosis with commensal Candida albicans. Trends Immunol 2022; 43:706-717. [PMID: 35961916 PMCID: PMC10027380 DOI: 10.1016/j.it.2022.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 07/04/2022] [Revised: 07/10/2022] [Accepted: 07/11/2022] [Indexed: 12/22/2022]
Abstract
Mucosal tissues are constitutively colonized by a wide assortment of host-adapted microbes. This includes the polymorphic fungus Candida albicans which is a primary target of human adaptive responses. Immunogenicity is replicated after intestinal colonization in preclinical models with a surprising array of protective benefits for most hosts, but harmful consequences for a few. The interaction between fungus and host is complex, and traditionally, the masking of antigenic fungal ligands has been viewed as a tactic for fungal immune evasion during invasive infection. However, we propose that dynamic expression of cell wall moieties, host cell lysins, and other antigenic C. albicans determinants is necessary during the more ubiquitous context of intestinal colonization to prime immunogenicity and optimize mammalian host symbiosis.
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Affiliation(s)
- Tzu-Yu Shao
- Division of Infectious Diseases, Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA; Immunobiology Graduate Program, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - David B Haslam
- Division of Infectious Diseases, Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Richard J Bennett
- Molecular Microbiology and Immunology Department, Brown University, Providence, RI 02912, USA.
| | - Sing Sing Way
- Division of Infectious Diseases, Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA.
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9
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Rizzo J, Wong SSW, Gazi AD, Moyrand F, Chaze T, Commere P, Novault S, Matondo M, Péhau‐Arnaudet G, Reis FCG, Vos M, Alves LR, May RC, Nimrichter L, Rodrigues ML, Aimanianda V, Janbon G. Cryptococcus extracellular vesicles properties and their use as vaccine platforms. J Extracell Vesicles 2021; 10:e12129. [PMID: 34377375 PMCID: PMC8329992 DOI: 10.1002/jev2.12129] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [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: 08/17/2020] [Revised: 07/02/2021] [Accepted: 07/09/2021] [Indexed: 12/12/2022] Open
Abstract
Whereas extracellular vesicle (EV) research has become commonplace in different biomedical fields, this field of research is still in its infancy in mycology. Here we provide a robust set of data regarding the structural and compositional aspects of EVs isolated from the fungal pathogenic species Cryptococcus neoformans, C. deneoformans and C. deuterogattii. Using cutting-edge methodological approaches including cryogenic electron microscopy and cryogenic electron tomography, proteomics, and flow cytometry, we revisited cryptococcal EV features and suggest a new EV structural model, in which the vesicular lipid bilayer is covered by mannoprotein-based fibrillar decoration, bearing the capsule polysaccharide as its outer layer. About 10% of the EV population is devoid of fibrillar decoration, adding another aspect to EV diversity. By analysing EV protein cargo from the three species, we characterized the typical Cryptococcus EV proteome. It contains several membrane-bound protein families, including some Tsh proteins bearing a SUR7/PalI motif. The presence of known protective antigens on the surface of Cryptococcus EVs, resembling the morphology of encapsulated virus structures, suggested their potential as a vaccine. Indeed, mice immunized with EVs obtained from an acapsular C. neoformans mutant strain rendered a strong antibody response in mice and significantly prolonged their survival upon C. neoformans infection.
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Affiliation(s)
- Juliana Rizzo
- Unité Biologie des ARN des Pathogènes FongiquesDépartement de Mycologie, Institut Pasteur, F‐75015ParisFrance
| | - Sarah Sze Wah Wong
- Unité Mycologie Moléculaire, CNRS UMR2000Département de Mycologie, Institut Pasteur, F‐75015ParisFrance
| | - Anastasia D. Gazi
- Ultrastructural Bio‐Imaging, UTechS UBI, CNRS UMR 3528Département de Biologie cellulaire et infection, Institut Pasteur, F‐75015ParisFrance
| | - Frédérique Moyrand
- Unité Biologie des ARN des Pathogènes FongiquesDépartement de Mycologie, Institut Pasteur, F‐75015ParisFrance
| | - Thibault Chaze
- Plateforme Protéomique, Unité de Spectrométrie de Masse pour la Biologie (MSBio), CNRS UMR 2000Centre de Ressources et Recherches Technologiques (C2RT), Institut Pasteur, F‐75015ParisFrance
| | - Pierre‐Henri Commere
- Cytometry and BiomarkersCentre de Ressources et Recherches Technologiques (C2RT), Institut Pasteur, F‐75015ParisFrance
| | - Sophie Novault
- Cytometry and BiomarkersCentre de Ressources et Recherches Technologiques (C2RT), Institut Pasteur, F‐75015ParisFrance
| | - Mariette Matondo
- Plateforme Protéomique, Unité de Spectrométrie de Masse pour la Biologie (MSBio), CNRS UMR 2000Centre de Ressources et Recherches Technologiques (C2RT), Institut Pasteur, F‐75015ParisFrance
| | - Gérard Péhau‐Arnaudet
- Ultrastructural Bio‐Imaging, UTechS UBI, CNRS UMR 3528Département de Biologie cellulaire et infection, Institut Pasteur, F‐75015ParisFrance
| | - Flavia C. G. Reis
- Instituto Carlos ChagasFundação Oswaldo Cruz (FIOCRUZ)CuritibaBrazil
- Centro de Desenvolvimento Tecnologico em Saude (CDTS‐Fiocruz)São PauloBrazil
| | - Matthijn Vos
- NanoImaging Core FacilityCentre de Ressources et Recherches Technologiques (C2RT), Institut Pasteur, F‐75015ParisFrance
| | | | - Robin C. May
- Institute of Microbiology and Infection and School of BiosciencesUniversity of BirminghamBirminghamB15 2TTUK
| | - Leonardo Nimrichter
- Instituto de Microbiologia Paulo de Góes (IMPG)Universidade Federal do Rio de JaneiroRio de JaneiroBrazil
| | - Marcio L. Rodrigues
- Instituto Carlos ChagasFundação Oswaldo Cruz (FIOCRUZ)CuritibaBrazil
- Instituto de Microbiologia Paulo de Góes (IMPG)Universidade Federal do Rio de JaneiroRio de JaneiroBrazil
| | - Vishukumar Aimanianda
- Unité Mycologie Moléculaire, CNRS UMR2000Département de Mycologie, Institut Pasteur, F‐75015ParisFrance
| | - Guilhem Janbon
- Unité Biologie des ARN des Pathogènes FongiquesDépartement de Mycologie, Institut Pasteur, F‐75015ParisFrance
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10
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Rinaldi A, Gonzalez A, Moio L, Gambuti A. Commercial Mannoproteins Improve the Mouthfeel and Colour of Wines Obtained by Excessive Tannin Extraction. Molecules 2021; 26:molecules26144133. [PMID: 34299408 PMCID: PMC8303419 DOI: 10.3390/molecules26144133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/28/2021] [Accepted: 07/03/2021] [Indexed: 11/16/2022] Open
Abstract
In the production of red wines, the pressing of marcs and extended maceration techniques can increase the extraction of phenolic compounds, often imparting high bitterness and astringency to finished wines. Among various oenological products, mannoproteins have been shown to improve the mouthfeel of red wines. In this work, extended maceration (E), marc-pressed (P), and free-run (F) Sangiovese wines were aged for six months in contact with three different commercial mannoprotein-rich yeast extracts (MP, MS, and MF) at a concentration of 20 g/hL. Phenolic compounds were measured in treated and control wines, and sensory characteristics related to the astringency, aroma, and colour of the wines were studied. A multivariate analysis revealed that mannoproteins had a different effect depending on the anthocyanin/tannin (A/T) ratio of the wine. When tannins are strongly present (extended maceration wines with A/T = 0.2), the MP conferred mouthcoating and soft and velvety sensations, as well as colour stability to the wine. At A/T = 0.3, as in marc-pressed wines, both MF and MP improved the mouthfeel and colour of Sangiovese. However, in free-run wine, where the A/T ratio is 0.5, the formation of polymeric pigments was allowed by all treatments and correlated with silk, velvet, and mouthcoat subqualities. A decrease in bitterness was also obtained. Commercial mannoproteins may represent a way to improve the mouthfeel and colour of very tannic wines.
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Affiliation(s)
- Alessandra Rinaldi
- Dipartimento di Agraria, Sezione di Scienze della Vigna e del Vino, Università degli Studi di Napoli Federico II, Viale Italia, Angolo Via Perrottelli, 83100 Avellino, Italy; (A.G.); (L.M.); (A.G.)
- Biolaffort, 126 Quai de la Souys, 33100 Bordeaux, France
- Correspondence:
| | - Alliette Gonzalez
- Dipartimento di Agraria, Sezione di Scienze della Vigna e del Vino, Università degli Studi di Napoli Federico II, Viale Italia, Angolo Via Perrottelli, 83100 Avellino, Italy; (A.G.); (L.M.); (A.G.)
| | - Luigi Moio
- Dipartimento di Agraria, Sezione di Scienze della Vigna e del Vino, Università degli Studi di Napoli Federico II, Viale Italia, Angolo Via Perrottelli, 83100 Avellino, Italy; (A.G.); (L.M.); (A.G.)
| | - Angelita Gambuti
- Dipartimento di Agraria, Sezione di Scienze della Vigna e del Vino, Università degli Studi di Napoli Federico II, Viale Italia, Angolo Via Perrottelli, 83100 Avellino, Italy; (A.G.); (L.M.); (A.G.)
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11
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Balmaseda A, Aniballi L, Rozès N, Bordons A, Reguant C. Use of Yeast Mannoproteins by Oenococcus oeni during Malolactic Fermentation under Different Oenological Conditions. Foods 2021; 10:1540. [PMID: 34359413 DOI: 10.3390/foods10071540] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 06/25/2021] [Accepted: 07/01/2021] [Indexed: 01/28/2023] Open
Abstract
Oenococcus oeni is the main agent of malolactic fermentation in wine. This fermentation takes place after alcoholic fermentation, in a low nutrient medium where ethanol and other inhibitor compounds are present. In addition, some yeast-derived compounds such as mannoproteins can be stimulatory for O. oeni. The mannoprotein concentration in wine depends on the fermenting yeasts, and non-Saccharomyces in particular can increase it. As a result of the hydrolytic activity of O. oeni, these macromolecules can be degraded, and the released mannose can be taken up and used as an energy source by the bacterium. Here we look at mannoprotein consumption and the expression of four O. oeni genes related to mannose uptake (manA, manB, ptsI, and ptsH) in a wine-like medium supplemented with mannoproteins and in natural wines fermented with different yeasts. We observe a general gene upregulation in response to wine-like conditions and different consumption patterns in the studied media. O. oeni was able to consume mannoproteins in all the wines. This consumption was notably higher in natural wines, especially in T. delbrueckii and S. cerevisiae 3D wines, which presented the highest mannoprotein levels. Regardless of the general upregulation, it seems that mannoprotein degradation is more closely related to the fermenting medium.
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12
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Manjón E, Brás NF, García-Estévez I, Escribano-Bailón MT. Cell Wall Mannoproteins from Yeast Affect Salivary Protein-Flavanol Interactions through Different Molecular Mechanisms. J Agric Food Chem 2020; 68:13459-13468. [PMID: 32153192 DOI: 10.1021/acs.jafc.9b08083] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
It is known that interactions between wine flavanols and salivary proline-rich proteins (PRPs) are one of the main factors responsible for wine astringency. The addition of commercial yeast mannoproteins (MPs) to wines has been pointed to as a possible tool to modulate the excessive astringency due to a lack of phenolic maturity at harvest time that might occur as a consequence of global climate change. The aim of this work was to study by isothermal titration calorimetry and molecular dynamics simulation the molecular mechanisms by which mannoproteins could modulate astringency elicited by tannins and if it can be influenced by mannoprotein composition. Results obtained indicate that the MPs assayed had an important impact on astringency through the formation of ternary aggregates with different solubilities or by preventing the flavanol-PRP interaction by a competitive mechanism, although in a different strength, depending on the size and the compositional characteristic of the mannoprotein.
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Affiliation(s)
- Elvira Manjón
- Grupo de Investigación en Polifenoles (GIP), Departamento de Química Analítica, Nutrición y Bromatología, Facultad de Farmacia, Universidad de Salamanca, Salamanca E37007, España
| | - Natércia F Brás
- UCIBIO, REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Ignacio García-Estévez
- Grupo de Investigación en Polifenoles (GIP), Departamento de Química Analítica, Nutrición y Bromatología, Facultad de Farmacia, Universidad de Salamanca, Salamanca E37007, España
| | - M Teresa Escribano-Bailón
- Grupo de Investigación en Polifenoles (GIP), Departamento de Química Analítica, Nutrición y Bromatología, Facultad de Farmacia, Universidad de Salamanca, Salamanca E37007, España
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13
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Tonini L, Sadet B, Stella A, Bouyssié D, Nigou J, Burlet-Schiltz O, Rivière M. Potential Plasticity of the Mannoprotein Repertoire Associated to Mycobacterium tuberculosis Virulence Unveiled by Mass Spectrometry-Based Glycoproteomics. Molecules 2020; 25:E2348. [PMID: 32443484 DOI: 10.3390/molecules25102348] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 05/04/2020] [Accepted: 05/13/2020] [Indexed: 12/17/2022] Open
Abstract
To date, Mycobacterium tuberculosis (Mtb) remains the world’s greatest infectious killer. The rise of multidrug-resistant strains stresses the need to identify new therapeutic targets to fight the epidemic. We previously demonstrated that bacterial protein-O-mannosylation is crucial for Mtb infectiousness, renewing the interest of the bacterial-secreted mannoproteins as potential drug-targetable virulence factors. The difficulty of inventorying the mannoprotein repertoire expressed by Mtb led us to design a stringent multi-step workflow for the reliable identification of glycosylated peptides by large-scale mass spectrometry-based proteomics. Applied to the differential analyses of glycoproteins secreted by the wild-type Mtb strain—and by its derived mutant invalidated for the protein-O-mannosylating enzyme PMTub—this approach led to the identification of not only most already known mannoproteins, but also of yet-unknown mannosylated proteins. In addition, analysis of the glycoproteome expressed by the isogenic recombinant Mtb strain overexpressing the PMTub gene revealed an unexpected mannosylation of proteins, with predicted or demonstrated functions in Mtb growth and interaction with the host cell. Since in parallel, a transient increased expression of the PMTub gene has been observed in the wild-type bacilli when infecting macrophages, our results strongly suggest that the Mtb mannoproteome may undergo adaptive regulation during infection of the host cells. Overall, our results provide deeper insights into the complexity of the repertoire of mannosylated proteins expressed by Mtb, and open the way to novel opportunities to search for still-unexploited potential therapeutic targets.
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14
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Li J, Karboune S, Asehraou A. Mannoproteins from inactivated whole cells of baker's and brewer's yeasts as functional food ingredients: Isolation and optimization. J Food Sci 2020; 85:1438-1449. [PMID: 32339270 DOI: 10.1111/1750-3841.15054] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 09/08/2019] [Revised: 12/25/2019] [Accepted: 12/30/2019] [Indexed: 11/30/2022]
Abstract
Because of the structural multiplicity of yeast mannoproteins, they have shown a great interest as food ingredients for a wide range of applications. The yields and the structural properties of mannoproteins varied depending on the isolation methods and their sources (baker's and brewer's Saccharomyces cerevisiae yeasts). Noncovalently bound mannoproteins (6.5 kDa) with a mannan/protein ratio of 0.63 and 2.78 were recovered upon the heat treatment of brewer's and baker's yeasts, respectively, whereas sodium dodecyl sulfate treatment led mainly to the release of nonglycosylated proteins. The highest yield of mannoproteins was achieved upon the enzymatic isolation with Zymolyase® from Arthrobacter luteus. The recovered covalently bound mannoproteins were characterized by a higher mannan/protein ratio (13.1 to 42.7) and a wider molecular weight distribution (5 to 10 kDa; 10 to 100 kDa; 100 to 400 kDa). Predictive models were developed to understand and modulate the effects of isolation parameters on yield, the mannoproteins content, and the mannan/protein ratio. The enzyme concentration was the most significant parameter affecting the yield, whereas the reaction time was the most significant parameter affecting mannan/protein ratio. Comparison of predicted and experimental values validated the established predicted models for the isolation of well-defined mannoproteins from yeast for targeted food applications. PRACTICAL APPLICATION: The increasing demand for clean label health-promoting foods has fueled the development of highly functional ingredients that offer both techno-functionalities and health-promoting properties. This study reveals the efficiency of whole inactivated yeasts as sources of mannoproteins. Given the dependence of the techno-functional and health-promoting properties of mannoproteins on their molecular properties, the investigation of the effects of the yeast sources and the type of isolation methods on the structural properties of mannoproteins would allow the modulation of their properties. Furthermore, the developed predictive models for the enzymatic process are expected to enhance the isolation efficiency of mannoproteins with well-defined structures.
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Affiliation(s)
- Jin Li
- Dept. of Food Science and Agricultural Chemistry, Macdonald Campus, McGill Univ., Sainte-Anne-de-Bellevue, Québec, H9X 3V9, Canada
| | - Salwa Karboune
- Dept. of Food Science and Agricultural Chemistry, Macdonald Campus, McGill Univ., Sainte-Anne-de-Bellevue, Québec, H9X 3V9, Canada
| | - Abdeslam Asehraou
- Laboratory of Biochemistry and Biotechnology, Faculty of Sciences, Mohammed Premier Univ., Oujda, 60000, Morocco
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15
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Tanno D, Yokoyama R, Kawamura K, Kitai Y, Yuan X, Ishii K, De Jesus M, Yamamoto H, Sato K, Miyasaka T, Shimura H, Shibata N, Adachi Y, Ohno N, Yamasaki S, Kawakami K. Dectin-2-mediated signaling triggered by the cell wall polysaccharides of Cryptococcus neoformans. Microbiol Immunol 2019; 63:500-512. [PMID: 31544981 DOI: 10.1111/1348-0421.12746] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 08/28/2019] [Accepted: 09/15/2019] [Indexed: 12/16/2022]
Abstract
Cryptococcus neoformans is rich in polysaccharides of the cell wall and capsule. Dectin-2 recognizes high-mannose polysaccharides and plays a central role in the immune response to fungal pathogens. Previously, we demonstrated Dectin-2 was involved in the activation of dendritic cells upon stimulation with C. neoformans, suggesting the existence of a ligand recognized by Dectin-2. In the present study, we examined the cell wall structures of C. neoformans contributing to the Dectin-2-mediated activation of immune cells. In a NFAT-GFP reporter assay of the reported cells expressing Dectin-2, the lysates, but not the whole yeast cells, of an acapsular strain of C. neoformans (Cap67) delivered Dectin-2-mediated signaling. This activity was detected in the supernatant of β-glucanase-treated Cap67 and more strongly in the semi-purified polysaccharides of this supernatant using ConA-affinity chromatography (ConA-bound fraction), in which a large amount of saccharides, but not protein, were detected. Treatment of this supernatant with periodic acid and the addition of excessive mannose, but not glucose or galactose, strongly inhibited this activity. The ConA-bound fraction of the β-glucanase-treated Cap67 supernatant was bound to Dectin-2-Fc fusion protein in a dose-dependent manner and strongly induced the production of interleukin-12p40 and tumour necrosis factor-α by dendritic cells; this was abrogated under the Dectin-2-deficient condition. Finally, 98 kDa mannoprotein (MP98) derived from C. neoformans showed activation of the reporter cells expressing Dectin-2. These results suggested that a ligand with mannose moieties may exist in the cell walls and play a critical role in the activation of dendritic cells during infection with C. neoformans.
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Affiliation(s)
- Daiki Tanno
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.,Department of Clinical Laboratory, Fukushima Medical University, Fukushima, Japan
| | - Rin Yokoyama
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Kotone Kawamura
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Yuki Kitai
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Xiaoliang Yuan
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.,Department of Respiratory Medicine, First Affiliated Hospital, Gannan Medical University, Ganzhou, Jiangxi, China
| | - Keiko Ishii
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Magdia De Jesus
- Department of Biomedical Sciences, School of Public Health, University at Albany, Albany, New York.,Division of Infectious Diseases, Wadsworth Center, New York State Department of Health, Albany, New York
| | - Hideki Yamamoto
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.,Center for Transdisciplinary Research, Institute for Research Promotion, Niigata University, Niigata, Japan
| | - Ko Sato
- Department of Intelligent Network for Infection Control, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Tomomitsu Miyasaka
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Hiroki Shimura
- Department of Clinical Laboratory, Fukushima Medical University, Fukushima, Japan
| | - Nobuyuki Shibata
- Department of Infection and Host Defense, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi, Japan
| | - Yoshiyuki Adachi
- Laboratory for Immunopharmacology of Microbial Products, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
| | - Naohito Ohno
- Laboratory for Immunopharmacology of Microbial Products, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
| | - Sho Yamasaki
- Department of Molecular Immunology, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Kazuyoshi Kawakami
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.,Department of Intelligent Network for Infection Control, Tohoku University Graduate School of Medicine, Sendai, Japan
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16
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De Iseppi A, Curioni A, Marangon M, Vincenzi S, Kantureeva G, Lomolino G. Characterization and emulsifying properties of extracts obtained by physical and enzymatic methods from an oenological yeast strain. J Sci Food Agric 2019; 99:5702-5710. [PMID: 31149736 DOI: 10.1002/jsfa.9833] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 05/28/2019] [Accepted: 05/28/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Glycosylated compounds are one of the main fractions of the yeast cell wall. Thanks to their amphiphilic structure, they have been studied as stabilizers in food emulsions over a broad range of pH conditions with encouraging results. Nevertheless, extraction costs still represent an important limit for their application in the food industry. RESULTS In this research, four extraction methods were applied to yeast cells exploiting both physical (heating and sonication) and enzymatic approaches (use of three industrial enzyme preparations, namely Glucanex®, Sur Lies and Elevage). A fifth method involving a pure β-glucanase enzyme (Zymolyase) was taken as reference. These extraction methods were applied to the oenological strain Saccharomyces cerevisiae EC1118, and their extraction yields and chemical properties (quantitative and qualitative determination of sugars and proteins) were studied. Emulsifying activities were determined at three different pH values (3, 5 and 7). Extractions with Physical, Glucanex and Sur Lies methods were the most successful approaches to obtain relevant amounts of yeast compounds with good emulsifying activities for 2:1 oil-in-water emulsions at pH 3 and 7 over 48 h. CONCLUSIONS These results indicate that there is the potential for the extraction approaches here proposed to become viable tools for the recovery of yeast compounds to be used as emulsifiers in foods. This approach can be considered as the starting point to explore the possibility to exploit yeast by-products from the fermentation processes (e.g. fermentation lees from wine and beer making) as valuable compounds for food applications. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Alberto De Iseppi
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Legnaro, Italy
| | - Andrea Curioni
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Legnaro, Italy
| | - Matteo Marangon
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Legnaro, Italy
| | - Simone Vincenzi
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Legnaro, Italy
- Centre for Research in Viticulture and Enology (CIRVE), Conegliano, Italy
| | - Gulzhan Kantureeva
- Department of Food Engineering, M. Auezov South Kazakhstan State University, Shymkent, Kazakhstan
| | - Giovanna Lomolino
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Legnaro, Italy
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17
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Alcalde-Eon C, Pérez-Mestre C, Ferreras-Charro R, Rivero FJ, Heredia FJ, Escribano-Bailón MT. Addition of Mannoproteins and/or Seeds during Winemaking and Their Effects on Pigment Composition and Color Stability. J Agric Food Chem 2019; 67:4031-4042. [PMID: 30892885 DOI: 10.1021/acs.jafc.8b06922] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The increase of temperature can cause a decoupling of sugar and anthocyanin accumulation in grapes, leading to wines poor in color. Different enological techniques are nowadays under study to overcome this problem. Among them, the present study has evaluated the color and pigment composition modifications caused by the addition during Syrah winemaking of either Pedro Ximénez seeds (intended to increase chemical stability) or/and two different mannoproteins (color-protective and astringency-modulator) to increase colloidal stability. Color and pigment composition modifications were assessed from CIELAB color parameters and from HPLC-DAD-MS n results before and after cold-treatment (used to force colloidal instability). The addition of both seeds and mannoproteins increased color stability against cold and, additionally, against SO2-bleaching in the case of mannoproteins. However, the initial pigment composition and color of the samples were differently affected by these additions, being clearly affected (Δ E* ab > 3) in the cases of seeds and with the astringency-modulator mannoprotein and hardly modified with the other one.
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Affiliation(s)
- Cristina Alcalde-Eon
- Grupo de Investigación en Polifenoles, Facultad de Farmacia , University of Salamanca , Salamanca 37007 , Spain
| | - Claudia Pérez-Mestre
- Grupo de Investigación en Polifenoles, Facultad de Farmacia , University of Salamanca , Salamanca 37007 , Spain
| | - Rebeca Ferreras-Charro
- Grupo de Investigación en Polifenoles, Facultad de Farmacia , University of Salamanca , Salamanca 37007 , Spain
| | - Francisco J Rivero
- Food Color and Quality Laboratory, Facultad de Farmacia , Universidad de Sevilla , Sevilla 41004 , Spain
| | - Francisco J Heredia
- Food Color and Quality Laboratory, Facultad de Farmacia , Universidad de Sevilla , Sevilla 41004 , Spain
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18
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Marangon M, Vegro M, Vincenzi S, Lomolino G, De Iseppi A, Curioni A. A Novel Method for the Quantification of White Wine Mannoproteins by a Competitive Indirect Enzyme-Linked Lectin Sorbent Assay (CI-ELLSA). Molecules 2018; 23:molecules23123070. [PMID: 30477183 PMCID: PMC6321203 DOI: 10.3390/molecules23123070] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 11/12/2018] [Accepted: 11/20/2018] [Indexed: 11/16/2022] Open
Abstract
Mannoproteins (MPs) are cell wall proteoglycans released in wine by yeast during fermentation and ageing on lees, a procedure used for the production of several wines to enrich them in these components with consequences from both a technological and sensory point of view. Given the significance that wine MPs have for wine quality, winemakers would welcome a simple and accurate method for their quantification, as this would allow them to have a better control of this aspect at different winemaking stages. This study develops and validates a novel, simple and accurate method for MPs quantification in white wines based on a competitive indirect enzyme-linked lectin sorbent assay (CI-ELLSA), using the highly mannosylated yeast invertase as the standard. The method utilizes the lectin concanavalin A (ConA) as the immobilized ligand for MPs, and peroxidase, an enzyme rich in mannose, as the competitor for ConA. After addition of the peroxidase substrate, the intensity of the signal produced by the activity of this enzyme (absorbance at 450 nm) is inversely proportional to the amount of mannosylated proteins in the sample. Results have been validated on several wine styles including still, sparkling and sweet wines.
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Affiliation(s)
- Matteo Marangon
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale dell'Università 16, 35020 Padova, Italy.
| | - Mara Vegro
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale dell'Università 16, 35020 Padova, Italy.
| | - Simone Vincenzi
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale dell'Università 16, 35020 Padova, Italy.
- Centre for Research in Viticulture and Enology (CIRVE), Viale XXVIII Aprile 14, 31015 Conegliano, Italy.
| | - Giovanna Lomolino
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale dell'Università 16, 35020 Padova, Italy.
| | - Alberto De Iseppi
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale dell'Università 16, 35020 Padova, Italy.
| | - Andrea Curioni
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale dell'Università 16, 35020 Padova, Italy.
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Chow J, Notaro M, Prabhakar A, Free SJ, Cullen PJ. Impact of Fungal MAPK Pathway Targets on the Cell Wall. J Fungi (Basel) 2018; 4:E93. [PMID: 30096860 DOI: 10.3390/jof4030093] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 07/31/2018] [Accepted: 08/02/2018] [Indexed: 12/14/2022] Open
Abstract
The fungal cell wall is an extracellular organelle that provides structure and protection to cells. The cell wall also influences the interactions of cells with each other and surfaces. The cell wall can be reorganized in response to changing environmental conditions and different types of stress. Signaling pathways control the remodeling of the cell wall through target proteins that are in many cases not well defined. The Mitogen Activated Protein Kinase pathway that controls filamentous growth in yeast (fMAPK) was required for normal growth in media containing the cell wall perturbing agent Calcofluor White (CFW). A mass spectrometry (MASS-SPEC) approach and analysis of expression profiling data identified cell wall proteins and modifying enzymes whose levels were influenced by the fMAPK pathway. These include Flo11p, Flo10p, Tip1p, Pry2p and the mannosyltransferase, Och1p. Cells lacking Flo11p or Och1p were sensitive to CFW. The identification of cell wall proteins controlled by a MAPK pathway may provide insights into how signaling pathways regulate the cell wall.
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20
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Walker L, Sood P, Lenardon MD, Milne G, Olson J, Jensen G, Wolf J, Casadevall A, Adler-Moore J, Gow NAR. The Viscoelastic Properties of the Fungal Cell Wall Allow Traffic of AmBisome as Intact Liposome Vesicles. mBio 2018; 9:e02383-17. [PMID: 29437927 PMCID: PMC5801470 DOI: 10.1128/mbio.02383-17] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [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: 12/23/2017] [Accepted: 01/08/2018] [Indexed: 01/25/2023] Open
Abstract
The fungal cell wall is a critically important structure that represents a permeability barrier and protective shield. We probed Candida albicans and Cryptococcus neoformans with liposomes containing amphotericin B (AmBisome), with or without 15-nm colloidal gold particles. The liposomes have a diameter of 60 to 80 nm, and yet their mode of action requires them to penetrate the fungal cell wall to deliver amphotericin B to the cell membrane, where it binds to ergosterol. Surprisingly, using cryofixation techniques with electron microscopy, we observed that the liposomes remained intact during transit through the cell wall of both yeast species, even though the predicted porosity of the cell wall (pore size, ~5.8 nm) is theoretically too small to allow these liposomes to pass through intact. C. albicans mutants with altered cell wall thickness and composition were similar in both their in vitro AmBisome susceptibility and the ability of liposomes to penetrate the cell wall. AmBisome exposed to ergosterol-deficient C. albicans failed to penetrate beyond the mannoprotein-rich outer cell wall layer. Melanization of C. neoformans and the absence of amphotericin B in the liposomes were also associated with a significant reduction in liposome penetration. Therefore, AmBisome can reach cell membranes intact, implying that fungal cell wall viscoelastic properties are permissive to vesicular structures. The fact that AmBisome can transit through chemically diverse cell wall matrices when these liposomes are larger than the theoretical cell wall porosity suggests that the wall is capable of rapid remodeling, which may also be the mechanism for release of extracellular vesicles.IMPORTANCE AmBisome is a broad-spectrum fungicidal antifungal agent in which the hydrophobic polyene antibiotic amphotericin B is packaged within a 60- to 80-nm liposome. The mode of action involves perturbation of the fungal cell membrane by selectively binding to ergosterol, thereby disrupting membrane function. We report that the AmBisome liposome transits through the cell walls of both Candida albicans and Cryptococcus neoformans intact, despite the fact that the liposome is larger than the theoretical cell wall porosity. This implies that the cell wall has deformable, viscoelastic properties that are permissive to transwall vesicular traffic. These observations help explain the low toxicity of AmBisome, which can deliver its payload directly to the cell membrane without unloading the polyene in the cell wall. In addition, these findings suggest that extracellular vesicles may also be able to pass through the cell wall to deliver soluble and membrane-bound effectors and other molecules to the extracellular space.
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Affiliation(s)
- Louise Walker
- Aberdeen Fungal Group, Institute of Medical Sciences, Medical Research Council Centre for Medical Mycology at the University of Aberdeen, Foresterhill, Aberdeen, United Kingdom
| | - Prashant Sood
- Aberdeen Fungal Group, Institute of Medical Sciences, Medical Research Council Centre for Medical Mycology at the University of Aberdeen, Foresterhill, Aberdeen, United Kingdom
| | - Megan D Lenardon
- Aberdeen Fungal Group, Institute of Medical Sciences, Medical Research Council Centre for Medical Mycology at the University of Aberdeen, Foresterhill, Aberdeen, United Kingdom
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Gillian Milne
- Aberdeen Fungal Group, Institute of Medical Sciences, Medical Research Council Centre for Medical Mycology at the University of Aberdeen, Foresterhill, Aberdeen, United Kingdom
| | - Jon Olson
- Gilead Sciences Inc., San Dimas, California, USA
| | | | - Julie Wolf
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Arturo Casadevall
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA
| | | | - Neil A R Gow
- Aberdeen Fungal Group, Institute of Medical Sciences, Medical Research Council Centre for Medical Mycology at the University of Aberdeen, Foresterhill, Aberdeen, United Kingdom
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Lipke PN, Klotz SA, Dufrene YF, Jackson DN, Garcia-Sherman MC. Amyloid-Like β-Aggregates as Force-Sensitive Switches in Fungal Biofilms and Infections. Microbiol Mol Biol Rev 2018; 82:e00035-17. [PMID: 29187516 DOI: 10.1128/MMBR.00035-17] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Cellular aggregation is an essential step in the formation of biofilms, which promote fungal survival and persistence in hosts. In many of the known yeast cell adhesion proteins, there are amino acid sequences predicted to form amyloid-like β-aggregates. These sequences mediate amyloid formation in vitro. In vivo, these sequences mediate a phase transition from a disordered state to a partially ordered state to create patches of adhesins on the cell surface. These β-aggregated protein patches are called adhesin nanodomains, and their presence greatly increases and strengthens cell-cell interactions in fungal cell aggregation. Nanodomain formation is slow (with molecular response in minutes and the consequences being evident for hours), and strong interactions lead to enhanced biofilm formation. Unique among functional amyloids, fungal adhesin β-aggregation can be triggered by the application of physical shear force, leading to cellular responses to flow-induced stress and the formation of robust biofilms that persist under flow. Bioinformatics analysis suggests that this phenomenon may be widespread. Analysis of fungal abscesses shows the presence of surface amyloids in situ, a finding which supports the idea that phase changes to an amyloid-like state occur in vivo. The amyloid-coated fungi bind the damage-associated molecular pattern receptor serum amyloid P component, and there may be a consequential modulation of innate immune responses to the fungi. Structural data now suggest mechanisms for the force-mediated induction of the phase change. We summarize and discuss evidence that the sequences function as triggers for protein aggregation and subsequent cellular aggregation, both in vitro and in vivo.
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Lankhorst PP, Voogt B, Tuinier R, Lefol B, Pellerin P, Virone C. Prevention of Tartrate Crystallization in Wine by Hydrocolloids: The Mechanism Studied by Dynamic Light Scattering. J Agric Food Chem 2017; 65:8923-8929. [PMID: 28972743 DOI: 10.1021/acs.jafc.7b01854] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Young wines are supersaturated in potassium bitartrate, which induces rather uncontrolled crystallization processes. Delayed crystallization may occur even after bottling of the young wines, which is undesirable because it gives rise to a visual defect in the wine. Colloids such as mannoproteins, metatartaric acid, and carboxymethylcellulose are available on the market and may be added to delay crystallization. It has been a matter of debate whether such hydrocolloids prevent nucleation, growth of crystals, or both. It was the objective of this investigation to study the crystallization event by a new approach using dynamic light scattering and to clarify the mode of action of these hydrocolloids. To achieve this, model solutions and standardized wines were enriched with potassium bitartrate (KHT) to trigger crystallization. In this way, it was possible to distinguish between the influence of the hydrocolloids on nucleation and on crystal growth. It was found that the hydrocolloids do not prevent KHT nucleation. Instead, these compounds delay or even arrest the outgrowth of the crystals to a macroscopic, visual size.
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Affiliation(s)
- Peter P Lankhorst
- DSM Biotechnology Centre , P.O. Box 1, 2600 MA Delft, The Netherlands
| | - Benjamin Voogt
- DSM AHEAD, ACES , Geleen, P.O. Box 18, 6160 MD Geleen, The Netherlands
| | - Remco Tuinier
- DSM AHEAD, ACES , Geleen, P.O. Box 18, 6160 MD Geleen, The Netherlands
- Van't Hoff Laboratory for Physical and Colloid Chemistry, Department of Chemistry and Debye Institute, Utrecht University , Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Blandine Lefol
- Oenobrands , Parc Scientifique Agropolis II, bât 5, 2196 bd de la Lironde CS 34603, 34397 Montpellier Cedex 5, France
| | - Patrice Pellerin
- Oenobrands , Parc Scientifique Agropolis II, bât 5, 2196 bd de la Lironde CS 34603, 34397 Montpellier Cedex 5, France
| | - Cristiana Virone
- DSM AHEAD, ACES , Geleen, P.O. Box 18, 6160 MD Geleen, The Netherlands
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García M, Apolinar-Valiente R, Williams P, Esteve-Zarzoso B, Arroyo T, Crespo J, Doco T. Polysaccharides and Oligosaccharides Produced on Malvar Wines Elaborated with Torulaspora delbrueckii CLI 918 and Saccharomyces cerevisiae CLI 889 Native Yeasts from D.O. "Vinos de Madrid". J Agric Food Chem 2017; 65:6656-6664. [PMID: 28669180 DOI: 10.1021/acs.jafc.7b01676] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Polysaccharides and oligosaccharides released into Malvar white wines elaborated through pure, mixed, and sequential cultures with Torulaspora delbrueckii CLI 918 and Saccharomyces cerevisiae CLI 889 native yeasts from D.O. "Vinos de Madrid" were studied. Both fractions from different white wines were separated by high-resolution size-exclusion chromatography. Glycosyl composition and wine polysaccharide linkages were determined by GC-EI-MS chromatography. Molar-mass distributions were determined by SEC-MALLS, and intrinsic viscosity was determined by differential viscometer. Yeast species and type of inoculation have a significant impact on wine carbohydrate composition and structure. Mannose residues from mannoproteins were significantly predominant in those cultures where T. delbrueckii was present in the fermentation process in comparison with when pure cultures of S. cerevisiae were present in the fermenation process. Galactose residues from polysaccharides rich in arabinose and galactose presented greater values in pure cultures of S. cerevisiae, indicating that S. cerevisiae released fewer mannoproteins than T. delbrueckii. Moreover, we reported structural differences between mannoproteins released by T. delbrueckii CLI 918 and those released by S. cerevisiae CLI 889. These findings help to provide important information about the polysaccharides and oligosaccharides released from the cell walls of Malvar grapes and the carbohydrates released from each yeast species.
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Affiliation(s)
- Margarita García
- Departamento de Agroalimentación, IMIDRA , Ctra. A2 km 38.200, 28800 Alcalá de Henares, Madrid, Spain
| | - Rafael Apolinar-Valiente
- INRA , Joint Research Unit 1083, Sciences for Enology, 2 Place Viala, F-34060 Montpellier, France
| | - Pascale Williams
- INRA , Joint Research Unit 1083, Sciences for Enology, 2 Place Viala, F-34060 Montpellier, France
| | - Braulio Esteve-Zarzoso
- Biotecnologia Enològica, Departament de Bioquímica i Biotecnologia, Facultat d'Enologia, Universitat Rovira i Virgili , Marcel li Domingo 1, 43007 Tarragona, Spain
| | - Teresa Arroyo
- Departamento de Agroalimentación, IMIDRA , Ctra. A2 km 38.200, 28800 Alcalá de Henares, Madrid, Spain
| | - Julia Crespo
- Departamento de Agroalimentación, IMIDRA , Ctra. A2 km 38.200, 28800 Alcalá de Henares, Madrid, Spain
| | - Thierry Doco
- INRA , Joint Research Unit 1083, Sciences for Enology, 2 Place Viala, F-34060 Montpellier, France
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Martínez JM, Cebrián G, Álvarez I, Raso J. Release of Mannoproteins during Saccharomyces cerevisiae Autolysis Induced by Pulsed Electric Field. Front Microbiol 2016; 7:1435. [PMID: 27672386 PMCID: PMC5019107 DOI: 10.3389/fmicb.2016.01435] [Citation(s) in RCA: 34] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 08/30/2016] [Indexed: 11/13/2022] Open
Abstract
The potential of the application of pulsed electric fields (PEF) to induce accelerate autolysis of a commercial strain of Saccharomyces cerevisiae for winemaking use was evaluated. The influence of PEF treatments of different intensity (5–25 kV/cm for 30–240 μs) on cell viability, cytoplasmic membrane permeabilization and release of mannoproteins and compounds absorbing at 260 and 280 nm has been investigated. After 8 days of incubation at 25°C the Abs600 of the suspension containing the control cells was kept constant while the Abs600 of the suspension containing the cells treated by PEF decreased. The measurement of the absorbance at 260 and 280 nm revealed no release of UV absorbing material from untreated cells after 8 days of incubation but the amount of UV absorbing material released drastically increased in the samples that contained cells treated by PEF after the same storage period. After 18 days of storage the amount of mannoproteins released from the untreated cell was negligible. Conversely, mannoprotein concentration increased linearly for the samples containing cells of S. cerevisiae treated by PEF. After 18 days of incubation the concentration of mannoproteins in the supernatant increased 4.2 times for the samples containing cells treated by PEF at 15 and 25 kV/cm for 45 and 150 μs. Results obtained in this study indicates that PEF could be used in winemaking to accelerate the sur lie aging or to obtain mannoproteins from yeast cultures.
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Affiliation(s)
- Juan M Martínez
- Tecnología de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón, Universidad de Zaragoza Zaragoza, Spain
| | - Guillermo Cebrián
- Tecnología de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón, Universidad de Zaragoza Zaragoza, Spain
| | - Ignacio Álvarez
- Tecnología de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón, Universidad de Zaragoza Zaragoza, Spain
| | - Javier Raso
- Tecnología de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón, Universidad de Zaragoza Zaragoza, Spain
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Martínez-Lapuente L, Apolinar-Valiente R, Guadalupe Z, Ayestarán B, Pérez-Magariño S, Williams P, Doco T. Influence of Grape Maturity on Complex Carbohydrate Composition of Red Sparkling Wines. J Agric Food Chem 2016; 64:5020-5030. [PMID: 27226011 DOI: 10.1021/acs.jafc.6b00207] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
This paper studied how grape maturity affected complex carbohydrate composition during red sparkling wine making and wine aging. Grape ripening stage (premature and mature grapes) showed a significant impact on the content, composition, and evolution of polysaccharides and oligosaccharides of sparkling wines. Polysaccharides rich in arabinose and galactose, mannoproteins, rhamnogalacturonans II, and oligosaccharides in base wines increased with maturity. For both maturity stages, polysaccharides rich in arabinose and galactose, and the glucuronic acid glycosyl residue of the oligosaccharides were the major carbohydrates detected in all vinification stages. The total glycosyl content of oligosaccharides decreased during the whole period of aging on yeast lees. The reduction of polysaccharides rich in arabinose and galactose and rhamnogalacturonans type II during the aging was more pronounced in mature samples. To our knowledge, this is the first report of the polysaccharide and oligosaccharide composition of red sparkling wines.
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Affiliation(s)
- Leticia Martínez-Lapuente
- Instituto de Ciencias de la Vid y del Vino (Universidad de la Rioja, Gobierno de La Rioja y CSIC) , Finca La Grajera, Ctra. De Burgos Km. 6, 26080 Logroño, Spain
| | - Rafael Apolinar-Valiente
- INRA, Joint Research Unit 1083, Sciences for Enology, 2 Place Pierre Viala, F-34060 Montpellier, France
| | - Zenaida Guadalupe
- Instituto de Ciencias de la Vid y del Vino (Universidad de la Rioja, Gobierno de La Rioja y CSIC) , Finca La Grajera, Ctra. De Burgos Km. 6, 26080 Logroño, Spain
| | - Belén Ayestarán
- Instituto de Ciencias de la Vid y del Vino (Universidad de la Rioja, Gobierno de La Rioja y CSIC) , Finca La Grajera, Ctra. De Burgos Km. 6, 26080 Logroño, Spain
| | - Silvia Pérez-Magariño
- Instituto Tecnológico Agrario de Castilla y León, Consejería de Agricultura y Ganadería, Ctra. Burgos Km 119, Finca Zamadueñas, 47071 Valladolid, Spain
| | - Pascale Williams
- INRA, Joint Research Unit 1083, Sciences for Enology, 2 Place Pierre Viala, F-34060 Montpellier, France
| | - Thierry Doco
- INRA, Joint Research Unit 1083, Sciences for Enology, 2 Place Pierre Viala, F-34060 Montpellier, France
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26
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Borovikova D, Teparić R, Mrša V, Rapoport A. Anhydrobiosis in yeast: cell wall mannoproteins are important for yeast Saccharomyces cerevisiae resistance to dehydration. Yeast 2016; 33:347-53. [PMID: 27510749 DOI: 10.1002/yea.3164] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [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: 11/25/2015] [Revised: 03/05/2016] [Accepted: 03/19/2016] [Indexed: 11/11/2022] Open
Abstract
The state of anhydrobiosis is linked with the reversible delay of metabolism as a result of strong dehydration of cells, and is widely distributed in nature. A number of factors responsible for the maintenance of organisms' viability in these conditions have been revealed. This study was directed to understanding how changes in cell wall structure may influence the resistance of yeasts to dehydration-rehydration. Mutants lacking various cell wall mannoproteins were tested to address this issue. It was revealed that mutants lacking proteins belonging to two structurally and functionally unrelated groups (proteins non-covalently attached to the cell wall, and Pir proteins) possessed significantly lower cell resistance to dehydration-rehydration than the mother wild-type strain. At the same time, the absence of the GPI-anchored cell wall protein Ccw12 unexpectedly resulted in an increase of cell resistance to this treatment; this phenomenon is explained by the compensatory synthesis of chitin. The results clearly indicate that the cell wall structure/composition relates to parameters strongly influencing yeast viability during the processes of dehydration-rehydration, and that damage to cell wall proteins during yeast desiccation can be an important factor leading to cell death. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Diana Borovikova
- Laboratory of Cell Biology, Institute of Microbiology and Biotechnology, University of Latvia, Riga, Latvia
| | - Renata Teparić
- Laboratory of Biochemistry, Faculty of Food Technology and Biotechnology, University of Zagreb, Croatia
| | - Vladimir Mrša
- Laboratory of Biochemistry, Faculty of Food Technology and Biotechnology, University of Zagreb, Croatia
| | - Alexander Rapoport
- Laboratory of Cell Biology, Institute of Microbiology and Biotechnology, University of Latvia, Riga, Latvia
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27
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Moore JP, Zhang SL, Nieuwoudt H, Divol B, Trygg J, Bauer FF. A multivariate approach using attenuated total reflectance mid-infrared spectroscopy to measure the surface mannoproteins and β-glucans of yeast cell walls during wine fermentations. J Agric Food Chem 2015; 63:10054-10063. [PMID: 26488434 DOI: 10.1021/acs.jafc.5b03154] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Yeast cells possess a cell wall comprising primarily glycoproteins, mannans, and glucan polymers. Several yeast phenotypes relevant for fermentation, wine processing, and wine quality are correlated with cell wall properties. To investigate the effect of wine fermentation on cell wall composition, a study was performed using mid-infrared (MIR) spectroscopy coupled with multivariate methods (i.e., PCA and OPLS-DA). A total of 40 yeast strains were evaluated, including Saccharomyces strains (laboratory and industrial) and non-Saccharomyces species. Cells were fermented in both synthetic MS300 and Chardonnay grape must to stationery phase, processed, and scanned in the MIR spectrum. PCA of the fingerprint spectral region showed distinct separation of Saccharomyces strains from non-Saccharomyces species; furthermore, industrial wine yeast strains separated from laboratory strains. PCA loading plots and the use of OPLS-DA to the data sets suggested that industrial strains were enriched with cell wall proteins (e.g., mannoproteins), whereas laboratory strains were composed mainly of mannan and glucan polymers.
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Affiliation(s)
- John P Moore
- Institute for Wine Biotechnology, Department of Viticulture and Oenology, Faculty of AgriSciences, Stellenbosch University , Matieland 7602, South Africa
| | - Song-Lei Zhang
- Institute for Wine Biotechnology, Department of Viticulture and Oenology, Faculty of AgriSciences, Stellenbosch University , Matieland 7602, South Africa
| | - Hélène Nieuwoudt
- Institute for Wine Biotechnology, Department of Viticulture and Oenology, Faculty of AgriSciences, Stellenbosch University , Matieland 7602, South Africa
| | - Benoit Divol
- Institute for Wine Biotechnology, Department of Viticulture and Oenology, Faculty of AgriSciences, Stellenbosch University , Matieland 7602, South Africa
| | - Johan Trygg
- Computational Life Science Cluster (CLiC), Department of Chemistry, Umeå University , Umeå 901 87, Sweden
| | - Florian F Bauer
- Institute for Wine Biotechnology, Department of Viticulture and Oenology, Faculty of AgriSciences, Stellenbosch University , Matieland 7602, South Africa
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Dufrechou M, Doco T, Poncet-Legrand C, Sauvage FX, Vernhet A. Protein/polysaccharide interactions and their impact on haze formation in white wines. J Agric Food Chem 2015; 63:10042-10053. [PMID: 26477433 DOI: 10.1021/acs.jafc.5b02546] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Proteins in white wines may aggregate and form hazes at room temperature. This was previously shown to be related to pH-induced conformational changes and to occur for pH <3.5. The aim of the present work was to study the impact of wine polysaccharides on pH-induced haze formation by proteins but also the consequences of their interactions with these proteins on the colloidal stability of white wines. To this end, model systems and purified global pools of wine proteins and polysaccharides were used first. Kinetics of aggregation, proteins involved, and turbidities related to final hazes were monitored. To further identify the impact of each polysaccharide, fractions purified to homogeneity were used in a second phase. These included two neutral (mannoprotein and arabinogalactan) and two negatively charged (rhamnogalacturonan II dimer (RG-II) and arabinogalactan) polysaccharides. The impact of major wine polysaccharides on wine protein aggregation at room temperature was clearly less marked than those of the pH and the ionic strength. Polysaccharides modulated the aggregation kinetics and final haziness, indicating that they interfere with the aggregation process, but could not prevent it.
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Affiliation(s)
- Marie Dufrechou
- INRA, UMR1083 SPO , F-34060 Montpellier, France
- Montpellier SupAgro, UMR1083 SPO , F-34060 Montpellier, France
- Université Montpellier I, UMR1083 SPO , F-34060 Montpellier, France
| | | | - Céline Poncet-Legrand
- INRA, UMR1083 SPO , F-34060 Montpellier, France
- Montpellier SupAgro, UMR1083 SPO , F-34060 Montpellier, France
- Université Montpellier I, UMR1083 SPO , F-34060 Montpellier, France
| | - François-Xavier Sauvage
- INRA, UMR1083 SPO , F-34060 Montpellier, France
- Montpellier SupAgro, UMR1083 SPO , F-34060 Montpellier, France
- Université Montpellier I, UMR1083 SPO , F-34060 Montpellier, France
| | - Aude Vernhet
- INRA, UMR1083 SPO , F-34060 Montpellier, France
- Montpellier SupAgro, UMR1083 SPO , F-34060 Montpellier, France
- Université Montpellier I, UMR1083 SPO , F-34060 Montpellier, France
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29
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Pitzurra L, Perito S, Baldelli F, Bistoni F, Vecchiarelli A. Humoral response against Cryptococcus neoformans mannoprotein antigens in HIV-infected patients. Clin Exp Immunol 2003; 133:91-6. [PMID: 12823282 PMCID: PMC1808755 DOI: 10.1046/j.1365-2249.2003.02181.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [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] [Indexed: 11/20/2022] Open
Abstract
Twenty-four sera from healthy donors, 18 from HIV-positive patients (< 200 CD4+/mm3) and 18 sera collected before and during cryptococcosis from HIV-positive patients were analysed for the presence of humoral response to C. neoformans mannoproteins. Our results show that samples from healthy subjects and from HIV-positive patients had one of three antibody response profiles: (i) presence of reactive antibodies against both 105 and 80 kilodalton mannoproteins; (ii) presence of reactive antibodies against one of the two mannoproteins; or (iii) absence of reactive antibodies. Importantly the percentage of unreactive sera increased 6-fold in HIV-positive patients and more than 10-fold in patients with cryptococcosis. In addition, in the latter patients no variation of humoral response before and during cryptococcosis was observed. These results suggest that HIV-positive patients show a marked difficulty in mounting or maintaining antibody response to mannoprotein and this could contribute to predisposition to cryptococcosis.
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Affiliation(s)
- L Pitzurra
- Microbiology Section, Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Italy
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