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Gonzalez-Flores M, Delfino AV, Rodríguez ME, Lopes CA. Presence of Saccharomyces eubayanus in fermentative environments reveals a new adaptive scenario in Patagonia. Yeast 2023; 40:476-492. [PMID: 37594238 DOI: 10.1002/yea.3894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 07/20/2023] [Accepted: 07/30/2023] [Indexed: 08/19/2023] Open
Abstract
Patagonia (Argentina and Chile) harbors the highest Saccharomyces eubayanus genomic diversity and its widest predominance in natural environments. In this work, S. eubayanus was isolated for the first time from a fermentative environment. This species was found dominating both a traditional apple chicha fermentation as well as feral apple trees in the Andean region of Aluminé (Argentina). S. eubayanus was the only Saccharomyces species found in the isolation substrates, although it coexisted with other non-Saccharomyces species. The absence of strong fermentative competitors of the Saccharomyces genus (like Saccharomyces uvarum or Saccharomyces cerevisiae) in the feral apples could promote the development and implantation of S. eubayanus in a spontaneous apple must fermentation. Phylogeographic analyses revealed a high intraspecific diversity in S. eubayanus, enabling the characterization of strains belonging to the genomic subpopulations PA1, PA2, and PB1 according to the sequences obtained for the intFR gene region. This result evidence that the studied sampling area represents a natural habitat for the species. Being a novel finding, studying the causes that allowed this species to prosper in a fermentative environment becomes essential. Hence, the physiological profile of the new isolates, including their ability to grow at different temperature, nitrogen, and ethanol concentrations was evaluated in comparison with a set of S. eubayanus strains previously isolated from natural environment and representing different genomic subpopulations. Greater physiological diversity was evidenced when strains isolated from both natural and fermentative environments were analyzed overall. Furthermore, no direct relationship between genomic population and physiological behavior was observed; on the opposite, strains appeared to exhibit similar behavior, primarily grouped by isolation origin.
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Affiliation(s)
- Melisa Gonzalez-Flores
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas (PROBIEN, Consejo Nacional de Investigaciones Científicas y Técnicas de la República Argentina, Universidad Nacional del Comahue), Buenos Aires, Neuquén, Argentina
- Facultad de Ciencias Agrarias, Universidad Nacional del Comahue, Buenos Aires, Argentina
| | - Ana V Delfino
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas (PROBIEN, Consejo Nacional de Investigaciones Científicas y Técnicas de la República Argentina, Universidad Nacional del Comahue), Buenos Aires, Neuquén, Argentina
- Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Buenos Aires, Argentina
| | - María E Rodríguez
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas (PROBIEN, Consejo Nacional de Investigaciones Científicas y Técnicas de la República Argentina, Universidad Nacional del Comahue), Buenos Aires, Neuquén, Argentina
- Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Buenos Aires, Argentina
| | - Christian A Lopes
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas (PROBIEN, Consejo Nacional de Investigaciones Científicas y Técnicas de la República Argentina, Universidad Nacional del Comahue), Buenos Aires, Neuquén, Argentina
- Facultad de Ciencias Agrarias, Universidad Nacional del Comahue, Buenos Aires, Argentina
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Shimizu H, Kamada A, Koyama K, Iwashita K, Goto-Yamamoto N. Yeast diversity during the spontaneous fermentation of wine with only the microbiota on grapes cultivated in Japan. J Biosci Bioeng 2023:S1389-1723(23)00108-1. [PMID: 37088673 DOI: 10.1016/j.jbiosc.2023.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 02/23/2023] [Accepted: 03/22/2023] [Indexed: 04/25/2023]
Abstract
Making wine via spontaneous fermentation without sulfur dioxide and commercial yeast (spontaneous winemaking) is increasing in recent year, but there is scant research regarding microbial communities present in Japan during spontaneous winemaking using culture-independent molecular methods. We analyzed fungal communities and populations during laboratory-scale spontaneous winemaking using sterilized labware to avoid winery-resident microbes. In the spontaneous fermentation of four grape varieties (Pinot Noir, Riesling, Koshu, and Koshusanjaku) grown in the same Japanese vineyard, our analysis of yeast and other fungal species by next-generation sequencing based on the ITS1 region demonstrated that Saccharomyces cerevisiae was eventually dominant in seven of 12 fermentation batches (three replications for each grape variety), whereas non-Saccharomyces species (e.g., Schizosaccharomyces japonicus, Lachancea dasiensis, and Hanseniaspora valbyensis) became dominant in four batches at the end of fermentation. In another batch, lactic acid bacteria (LAB) became dominant and the fermentation remained incomplete. Diverse microbes were involved in the spontaneous fermentation (particularly in Koshusanjaku), indicating that residual sugar remained and lactic and acetic acid largely increased. Compared to the control wine made with SO2 and commercial yeast, the concentration of lactic acid was 47-fold higher in the must dominated by L. dasiensis, and the concentrations of acetic acid and lactic acid were 10-fold and 20-fold higher in the must dominated by LAB, respectively. Even when indigenous S. cerevisiae became dominant, the finished wines obtained high sensory-analysis scores for complexity but low scores for varietal typicality, indicating the risk of fermentation with unselected wild yeast on the grapes grown in Japan.
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Affiliation(s)
- Hideaki Shimizu
- National Research Institute of Brewing, 3-7-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-0046, Japan.
| | - Aya Kamada
- National Research Institute of Brewing, 3-7-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-0046, Japan
| | - Kazuya Koyama
- National Research Institute of Brewing, 3-7-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-0046, Japan
| | - Kazuhiro Iwashita
- National Research Institute of Brewing, 3-7-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-0046, Japan
| | - Nami Goto-Yamamoto
- National Research Institute of Brewing, 3-7-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-0046, Japan
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3
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Genotypic and phenotypic characterization of industrial autochthonous Saccharomyces cerevisiae for the selection of well-adapted bioethanol-producing strains. Fungal Biol 2022; 126:658-673. [DOI: 10.1016/j.funbio.2022.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 07/28/2022] [Accepted: 08/09/2022] [Indexed: 11/17/2022]
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Wang M, Wang J, Chen J, Philipp C, Zhao X, Wang J, Liu Y, Suo R. Effect of Commercial Yeast Starter Cultures on Cabernet Sauvignon Wine Aroma Compounds and Microbiota. Foods 2022; 11:foods11121725. [PMID: 35741923 PMCID: PMC9222704 DOI: 10.3390/foods11121725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/06/2022] [Accepted: 06/09/2022] [Indexed: 01/27/2023] Open
Abstract
Commercial Saccharomyces cerevisiae plays an important role in the traditional winemaking industry. In this study, the correlation of microbial community and aroma compound in the process of alcohol fermentation of Cabernet Sauvignon by four different commercial starters was investigated. The results showed that there was no significant difference in the fermentation parameters of the four starters, but there were differences in microbial diversity among the different starters. The wine samples fermented by CEC01 had higher microbial abundance. GC-MS detected a total of 58 aromatic compounds from the fermentation process by the experimental yeasts. There were 25 compounds in the F6d variant, which was higher than in other samples. The PCA score plot showed that 796 and F15 yeast-fermented wines had similar aromatic characteristic compositions. According to partial least squares (PLS, VIP > 1.0) analysis and Spearman’s correlation analysis, 11, 8, 8 and 10 microbial genera were identified as core microorganisms in the fermentation of 796, CEC01, CECA and F15 starter, respectively. Among them, Leuconostoc, Lactobacillus, Sphingomonas and Pseudomonas played an important role in the formation of aroma compounds such as Ethyl caprylate, Ethyl caprate and Ethyl-9-decenoate. These results can help us to have a better understanding of the effects of microorganisms on wine aroma and provide a theoretical basis for improving the flavor quality of Cabernet Sauvignon wine.
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Affiliation(s)
- Meiqi Wang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, China; (M.W.); (J.W.); (J.W.); (R.S.)
| | - Jiarong Wang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, China; (M.W.); (J.W.); (J.W.); (R.S.)
| | - Jiawei Chen
- China Great Wall Wine Co., Ltd., Zhangjiakou 075400, China; (J.C.); (X.Z.)
| | - Christian Philipp
- Höhere Bundeslehranstalt und Bundesamt für Wein- und Obstbau, Wienerstraße 74, 3400 Klosterneuburg, Austria;
| | - Xiaoning Zhao
- China Great Wall Wine Co., Ltd., Zhangjiakou 075400, China; (J.C.); (X.Z.)
| | - Jie Wang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, China; (M.W.); (J.W.); (J.W.); (R.S.)
| | - Yaqiong Liu
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, China; (M.W.); (J.W.); (J.W.); (R.S.)
- Correspondence: ; Tel.: +86-13503129927
| | - Ran Suo
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, China; (M.W.); (J.W.); (J.W.); (R.S.)
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Ecological Distribution and Oenological Characterization of Native Saccharomyces cerevisiae in an Organic Winery. FERMENTATION 2022. [DOI: 10.3390/fermentation8050224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The relation between regional yeast biota and the organoleptic characteristics of wines has attracted growing attention among winemakers. In this work, the dynamics of a native Saccharomyces cerevisiae population was investigated in an organic winery. In this regard, the occurrence and the persistence of native S. cerevisiae were evaluated in the vineyard and winery and during spontaneous fermentation of two nonconsecutive vintages. From a total of 98 strains, nine different S. cerevisiae biotypes were identified that were distributed through the whole winemaking process, and five of them persisted in both vintages. The results of the oenological characterization of the dominant biotypes (I and II) show a fermentation behavior comparable to that exhibited by three common commercial starter strains, exhibiting specific aromatic profiles. Biotype I was characterized by some fruity aroma compounds, such as isoamyl acetate and ethyl octanoate, while biotype II was differentiated by ethyl hexanoate, nerol, and β-damascenone production also in relation to the fermentation temperature. These results indicate that the specificity of these resident strains should be used as starter cultures to obtain wines with distinctive aromatic profiles.
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6
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Growth response of Saccharomyces cerevisiae strains to stressors associated to the vine cycle. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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7
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Mas A, Portillo MC. Strategies for microbiological control of the alcoholic fermentation in wines by exploiting the microbial terroir complexity: A mini-review. Int J Food Microbiol 2022; 367:109592. [DOI: 10.1016/j.ijfoodmicro.2022.109592] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/15/2022] [Accepted: 02/20/2022] [Indexed: 10/19/2022]
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Ayoub MJ, Legras JL, Abi-Nakhoul P, Nguyen HV, Saliba R, Gaillardin C. Lebanon's Native Oenological Saccharomyces cerevisiae Flora: Assessment of Different Aspects of Genetic Diversity and Evaluation of Winemaking Potential. J Fungi (Basel) 2021; 7:jof7080678. [PMID: 34436217 PMCID: PMC8398109 DOI: 10.3390/jof7080678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/27/2021] [Accepted: 08/13/2021] [Indexed: 11/16/2022] Open
Abstract
A total of 296 isolates of Saccharomyces cerevisiae sampled from naturally fermenting grape musts from various locations in Lebanon were typed by interdelta fingerprinting. Of these, 88 isolates were compared with oenological strains originating from various countries, using microsatellite characterization at six polymorphic loci. These approaches evidenced a large diversity of the natural oenological Lebanese flora over the territory as well as in individual spontaneous fermentations. Several cases of dominance and perenniality of isolates were observed in the same wineries, where fermentations appeared to involve lineages of sibling isolates. Our work thus evidenced a “winery effect” on strains’ relatedness. Similarly, related or identical strains were also detected in vicinal wineries, suggesting strain circulation within small geographical areas and a further “vicinity effect”. Moreover, and despite its diversity, the Lebanese flora seemed interrelated, on the basis of microsatellite loci analysis, in comparison to worldwide communities. We finally tested the ability of 21 indigenous strains to act as potential starters for winemaking. Seven of them passed our pre-selection scheme and two of them at least may be good candidates for use provided pilot-scale assays confirm their suitability.
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Affiliation(s)
- Marie-José Ayoub
- Department of Food Sciences and Technologies, Faculty of Agricultural and Veterinary Sciences, Lebanese University, Beirut 14-6573, Lebanon; (P.A.-N.); (R.S.)
- Correspondence:
| | - Jean-Luc Legras
- SPO, University of Montpellier, INRAE, Institut Agro, F-34060 Montpellier, France;
- CIRM-Levures, SPO, University of Montpellier, INRAE, Institut Agro, F-34060 Montpellier, France;
| | - Pierre Abi-Nakhoul
- Department of Food Sciences and Technologies, Faculty of Agricultural and Veterinary Sciences, Lebanese University, Beirut 14-6573, Lebanon; (P.A.-N.); (R.S.)
| | - Huu-Vang Nguyen
- CIRM-Levures, SPO, University of Montpellier, INRAE, Institut Agro, F-34060 Montpellier, France;
| | - Rachad Saliba
- Department of Food Sciences and Technologies, Faculty of Agricultural and Veterinary Sciences, Lebanese University, Beirut 14-6573, Lebanon; (P.A.-N.); (R.S.)
| | - Claude Gaillardin
- AgroParisTech, Micalis UMR 1319, CBAI, F-78850 Thiverval-Grignon, France;
- INRA, Micalis UMR 1319, CBAI, F-78850 Thiverval-Grignon, France
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9
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Nikhanj P, Kocher GS. Optimization of malolactic fermentation parameters with isolated and characterized lactic acid bacteria associated with grape berries. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Pooja Nikhanj
- Department of Microbiology Punjab Agricultural University Ludhiana India
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10
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Determination of the oenological properties of yeast strains isolated from spontaneously fermented grape musts obtained from cool climate grape varieties. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03574-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
AbstractThe international competitiveness of the wine sector and consumer demands for the unique wine styles pose challenges in improving the fermentation process. The basis of proper alcoholic fermentation is knowledge about how individual yeast strains interact with the aroma, taste and color of wine, what results in possibility to select species used as starter cultures. To use the value of non-Saccharomyces yeast strains in wine production and to minimize the possibility of wine deterioration, it is necessary to precisely recognize the yeast cultures present on the fruit of the vine and in grape must, as well as their metabolic properties. The aim of the study was to determine the oenological properties of yeasts isolated from spontaneously fermented grape musts obtained from cool climate grapes. For this purpose, Zweigelt grape must was fermented with yeast monocultures. Alcohol, extract, sugars, glycerol, total acidity and free amine nitrogen were analyzed in the obtained wines. Poor fermentation properties of yeast strains results in obtaining wines with relatively large amounts of residual sugars and low alcohol. A decrease in overall acidity was noted in sets with the participation of M. pulcherrima MG971264, while in other tests the opposite trend was observed. Although some microorganisms have the ability to assimilate organic acids found in wine, they are not able to carry out fermentation or they do it inefficiently. Solution to this problem may, therefore, be use of mixed cultures of noble and non-Saccharomyces yeast, what effectively reduce the concentration of organic acids, while not adversely affecting the organoleptic characteristics of the drink.
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11
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Abdo H, Catacchio CR, Ventura M, D'Addabbo P, Alexandre H, Guilloux-Bénatier M, Rousseaux S. The establishment of a fungal consortium in a new winery. Sci Rep 2020; 10:7962. [PMID: 32409784 PMCID: PMC7224177 DOI: 10.1038/s41598-020-64819-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 04/15/2020] [Indexed: 01/03/2023] Open
Abstract
The biodiversity and evolution of fungal communities were monitored over a period of 3 vintages in a new winery. Samples were collected before grape receipt and 3 months after fermentation from 3 different wine related environments (WRE): floor, walls and equipment and analyzed using Illumina Mi-Seq. Genera of mold and filamentous fungi (294), non-enological (10) and wine-associated yeasts (25) were detected on all WREs before the arrival of the first harvest. Among them, genera like Alternaria and Aureobasidium persisted during two vintages. Therefore, these genera are not specific to winery environment and appear to be adapted to natural or anthropic environments due to their ubiquitous character. Some genera like Candida were also detected before the first harvest but only on one WREs, whereas, on the other WREs they were found after the harvest. The ubiquitous character and phenotypic traits of these fungal genera can explain their dynamics. After the first harvest and during 3 vintages the initial consortium was enriched by oenological genera like Starmerella introduced either by harvest or by potential transfers between the different WREs. However, these establishing genera, including Saccharomyces, do not appear to persist due to their low adaptation to the stressful conditions of winery environment.
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Affiliation(s)
- Hany Abdo
- Université Bourgogne Franche-Comté, AgroSup Dijon, PAM UMR A 02.102, F-21000 Dijon, France- IUVV Equipe VAlMiS, rue Claude Ladrey, BP 27877, 21078, Dijon, Cedex, France
| | | | - Mario Ventura
- Department of Biology, University of Bari, Bari, 70125, Italy
| | | | - Hervé Alexandre
- Université Bourgogne Franche-Comté, AgroSup Dijon, PAM UMR A 02.102, F-21000 Dijon, France- IUVV Equipe VAlMiS, rue Claude Ladrey, BP 27877, 21078, Dijon, Cedex, France
| | - Michèle Guilloux-Bénatier
- Université Bourgogne Franche-Comté, AgroSup Dijon, PAM UMR A 02.102, F-21000 Dijon, France- IUVV Equipe VAlMiS, rue Claude Ladrey, BP 27877, 21078, Dijon, Cedex, France
| | - Sandrine Rousseaux
- Université Bourgogne Franche-Comté, AgroSup Dijon, PAM UMR A 02.102, F-21000 Dijon, France- IUVV Equipe VAlMiS, rue Claude Ladrey, BP 27877, 21078, Dijon, Cedex, France.
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12
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Persistence and reservoirs of Saccharomyces cerevisiae biodiversity in different vineyard niches. Food Microbiol 2020; 86:103328. [DOI: 10.1016/j.fm.2019.103328] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 07/26/2019] [Accepted: 09/05/2019] [Indexed: 12/18/2022]
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Abstract
The aim of this work was to study the fungal colonization of a new winery over time, specifically for Saccharomyces cerevisiae. Therefore, we analyzed the flora present before the arrival of the first harvest on the floor, the walls and the equipment of this new winery by Illumina MiSeq. The genus Saccharomyces (≤0.3%) was detected on floor and equipment but the presence of S. cerevisiae species was not reported. Wild S. cerevisiae strains were isolated from a ‘Pied de Cuve’ used during the first vintage to ensure the alcoholic fermentation (AF). Among 25 isolates belonging to this species, 17 different strains were identified highlighting a great intraspecific diversity. S. cerevisiae strains were also isolated from different vats throughout the spontaneous fermentations during the first vintage. The following year, some of these strains were isolated again during AF. Some of them (four) were found in the winery equipment before the arrival of the third harvest suggesting a potential colonization by these strains. To better understand what promotes the yeast colonization of the winery’s environment, the ability to form a biofilm on solid surfaces for eight colonizing or non-colonizing strains was studied. This capacity, different according to the strains, could partly explain the colonization observed for certain strains.
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Gil-Díaz M, Valero E, Cabellos JM, García M, Arroyo T. The impact of active dry yeasts in commercial wineries from the Denomination of Origen "Vinos de Madrid", Spain. 3 Biotech 2019; 9:382. [PMID: 31656720 DOI: 10.1007/s13205-019-1913-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 09/21/2019] [Indexed: 11/25/2022] Open
Abstract
This paper has studied the success of implantation for 16 commercial active dry yeasts (ADYs) during industrial fermentation (30) and the impact of these yeasts during spontaneous fermentations (19) in 10 wineries from the Denomination of Origin "Vinos de Madrid" over two consecutive years. Yeasts strains were identified by molecular techniques, pulsed field electrophoresis and microsatellite analysis. According to these techniques, all the ADYs were different with the exceptions of two strains, L2056 and Rh, which showed the same karyotype and loci size. The results showed that inoculating fermentations with ADYs did not ensure their dominance throughout the fermentation; the implantation level of ADYs was above 80% in only 9 of the 30 commercial fermentations studied; while in 16 fermentations, the dominance of the inoculated ADYs was below 50%. The type of vinification with the best implantation results overall were those associated with red wine fermentations. ADYs affected spontaneous fermentations, although their impact was observed to decrease in the second year of the study. Therefore, specific adaptation studies are necessary before using commercial yeasts during the fermentation process. At the same time, a study was carried out on the frequency of commercial strains in IMIDRA's yeast collection, made up of strains isolated from spontaneous fermentations of the different areas and cellars since the beginning of the Denomination of Origin "Vinos de Madrid" in 1990. Six different ADYs were found with a frequency of less than 5%.
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Affiliation(s)
- M Gil-Díaz
- Departamento de Agroalimentación, Instituto Madrileño de Investigación y Desarrollo Rural Agrario y Alimentario (IMIDRA), Autovía A2, km 38.2, Alcalá de Henares, 28805 Madrid, Spain
| | - E Valero
- 2Departamento de Biología Molecular e Ingeniería Bioquímica, Universidad Pablo de Olavide, Ctra. de Utrera Km 1, s/n, 41013 Sevilla, Spain
| | - J M Cabellos
- Departamento de Agroalimentación, Instituto Madrileño de Investigación y Desarrollo Rural Agrario y Alimentario (IMIDRA), Autovía A2, km 38.2, Alcalá de Henares, 28805 Madrid, Spain
| | - M García
- Departamento de Agroalimentación, Instituto Madrileño de Investigación y Desarrollo Rural Agrario y Alimentario (IMIDRA), Autovía A2, km 38.2, Alcalá de Henares, 28805 Madrid, Spain
| | - T Arroyo
- Departamento de Agroalimentación, Instituto Madrileño de Investigación y Desarrollo Rural Agrario y Alimentario (IMIDRA), Autovía A2, km 38.2, Alcalá de Henares, 28805 Madrid, Spain
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15
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Development of air-blast dried non-Saccharomyces yeast starter for improving quality of Korean persimmon wine and apple cider. Int J Food Microbiol 2019; 290:193-204. [DOI: 10.1016/j.ijfoodmicro.2018.10.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 10/02/2018] [Accepted: 10/03/2018] [Indexed: 11/21/2022]
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16
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Maturano Y, Lerena M, Mestre M, Casassa L, Toro M, Vazquez F, Mercado L, Combina M. Inoculation strategies to improve persistence and implantation of commercial S. cerevisiae strains in red wines produced with prefermentative cold soak. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.07.063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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17
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Aldrete-Tapia A, Martínez-Peniche R, Miranda-Castilleja D, Hernández-Iturriaga M. Saccharomyces cerevisiaeassociated with the spontaneous fermentation of tequila agave juice. JOURNAL OF THE INSTITUTE OF BREWING 2018. [DOI: 10.1002/jib.499] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- A. Aldrete-Tapia
- Programa de Posgrado de Alimentos del Centro de la República (PROPAC), Facultad de Química; Universidad Autónoma de Querétaro; Cerro de las Campanas s/n Col. Las Campanas C.P. 76010 Querétaro Querétaro México
| | - R. Martínez-Peniche
- Programa de Posgrado de Alimentos del Centro de la República (PROPAC), Facultad de Química; Universidad Autónoma de Querétaro; Cerro de las Campanas s/n Col. Las Campanas C.P. 76010 Querétaro Querétaro México
| | - D. Miranda-Castilleja
- Programa de Posgrado de Alimentos del Centro de la República (PROPAC), Facultad de Química; Universidad Autónoma de Querétaro; Cerro de las Campanas s/n Col. Las Campanas C.P. 76010 Querétaro Querétaro México
| | - M. Hernández-Iturriaga
- Programa de Posgrado de Alimentos del Centro de la República (PROPAC), Facultad de Química; Universidad Autónoma de Querétaro; Cerro de las Campanas s/n Col. Las Campanas C.P. 76010 Querétaro Querétaro México
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18
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Hanson PK. Saccharomyces cerevisiae: A Unicellular Model Genetic Organism of Enduring Importance. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/cpet.21] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Pamela K. Hanson
- Department of Biology, Birmingham-Southern College; Birmingham Alabama
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19
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Morrison-Whittle P, Goddard MR. From vineyard to winery: a source map of microbial diversity driving wine fermentation. Environ Microbiol 2017; 20:75-84. [PMID: 29052965 DOI: 10.1111/1462-2920.13960] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Accepted: 10/12/2017] [Indexed: 11/30/2022]
Abstract
Humans have been making wine for thousands of years and microorganisms play an integral part in this process as they not only drive fermentation, but also significantly influence the flavour, aroma and quality of finished wines. Since fruits are ephemeral, they cannot comprise a permanent microbial habitat; thus, an age-old unanswered question concerns the origin of fruit and ferment associated microbes. Here we use next-generation sequencing approaches to examine and quantify the roles of native forest, vineyard soil, bark and fruit habitats as sources of fungal diversity in ferments. We show that microbial communities in harvested juice and ferments vary significantly across regions, and that while vineyard fungi account for ∼40% of the source of this diversity, uncultivated ecosystems outside of vineyards also prove a significant source. We also show that while communities in harvested juice resemble those found on grapes, these increasingly resemble fungi present on vine bark as the ferment proceeds.
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Affiliation(s)
- Peter Morrison-Whittle
- The School of Biological Sciences, The University of Auckland, Auckland 1142, New Zealand
| | - Matthew R Goddard
- The School of Biological Sciences, The University of Auckland, Auckland 1142, New Zealand.,School of Life Sciences and Lincoln Institute for Agri-Food Technology, University of Lincoln, Lincoln LN6 7DL, UK
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20
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Mendoza LM, Neef A, Vignolo G, Belloch C. Yeast diversity during the fermentation of Andean chicha : A comparison of high-throughput sequencing and culture-dependent approaches. Food Microbiol 2017. [DOI: 10.1016/j.fm.2017.05.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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21
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González-Arenzana L, Portu J, López R, Garijo P, Garde-Cerdán T, López-Alfaro I. Phenylalanine and urea foliar application: Effect on grape and must microbiota. Int J Food Microbiol 2017; 245:88-97. [DOI: 10.1016/j.ijfoodmicro.2017.01.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 01/23/2017] [Accepted: 01/24/2017] [Indexed: 11/12/2022]
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22
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Ilieva F, Kostadinović Veličkovska S, Dimovska V, Mirhosseini H, Spasov H. Selection of 80 newly isolated autochthonous yeast strains from the Tikveš region of Macedonia and their impact on the quality of red wines produced from Vranec and Cabernet Sauvignon grape varieties. Food Chem 2017; 216:309-15. [PMID: 27596425 DOI: 10.1016/j.foodchem.2016.08.049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 08/12/2016] [Accepted: 08/17/2016] [Indexed: 10/21/2022]
Abstract
The main objectives of this study were to (i) isolate newly autochthonous yeast strains from the Tikveš region of Macedonia and (ii) test their impact on the quality of red wines from Vranec and Cabernet Sauvignon grape varieties. The newly isolated yeast strains were obtained by spontaneous fermentation of grape must from Vranec and Cabernet Sauvignon varieties collected from ten different micro-regions in Macedonia. The grapevines from both varieties grown in "Barovo" micro-region were the richest sources of yeast strains. In addition, the molecular identification and typing of strains were also carried out. The monomeric anthocyanins, polyphenolic content and other oenochemical characteristics of the wines were also compared with the wines from commercial yeast strain "SiHa". The Vranec wine from yeast strain F-8 and Cabernet Sauvignon wine from yeast strain F-20 had significantly (p<0.05) higher concentrations of monomeric anthocyanins and total phenolic compounds than other wines.
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Affiliation(s)
- Fidanka Ilieva
- Department of Wine and Beer Technology, University of Food Technologies, Marica 26, Plovdiv, Bulgaria; Faculty of Agriculture, University "Goce Delčev", Krste Misirkov bb, 2000 Štip, Macedonia
| | | | - Violeta Dimovska
- Faculty of Agriculture, University "Goce Delčev", Krste Misirkov bb, 2000 Štip, Macedonia
| | - Hamed Mirhosseini
- Department of Food Technology, Faculty of Food Science and Technology, Universiti Putra Selangor, Malaysia
| | - Hristo Spasov
- Department of Wine and Beer Technology, University of Food Technologies, Marica 26, Plovdiv, Bulgaria
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23
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Lee SB, Choi WS, Jo HJ, Yeo SH, Park HD. Optimization of air-blast drying process for manufacturing Saccharomyces cerevisiae and non-Saccharomyces yeast as industrial wine starters. AMB Express 2016; 6:105. [PMID: 27822898 PMCID: PMC5099301 DOI: 10.1186/s13568-016-0278-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 10/31/2016] [Indexed: 11/13/2022] Open
Abstract
Wine yeast (Saccharomyces cerevisiae D8) and non-Saccharomyces wine yeasts (Hanseniaspora uvarum S6 and Issatchenkia orientalis KMBL5774) were studied using air-blast drying instead of the conventional drying methods (such as freeze and spray drying). Skim milk—a widely used protective agent—was used and in all strains, the highest viabilities following air-blast drying were obtained using 10% skim milk. Four excipients (wheat flour, nuruk, artichoke powder, and lactomil) were evaluated as protective agents for yeast strains during air-blast drying. Our results showed that 7 g lactomil was the best excipient in terms of drying time, powder form, and the survival rate of the yeast in the final product. Finally, 7 types of sugars were investigated to improve the survival rate of air-blast dried yeast cells: 10% trehalose, 10% sucrose, and 10% glucose had the highest survival rate of 97.54, 92.59, and 79.49% for S. cerevisiae D8, H. uvarum S6, and I. orientalis KMBL5774, respectively. After 3 months of storage, S. cerevisiae D8 and H. uvarum S6 demonstrated good survival rates (making them suitable for use as starters), whereas the survival rate of I. orientalis KMBL5774 decreased considerably compared to the other strains. Air-blast dried S. cerevisiae D8 and H. uvarum S6 showed metabolic activities similar to those of non-dried yeast cells, regardless of the storage period. Air-blast dried I. orientalis KMBL5774 showed a noticeable decrease in its ability to decompose malic acid after 3 months of storage at 4 °C.
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24
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Martiniuk JT, Pacheco B, Russell G, Tong S, Backstrom I, Measday V. Impact of Commercial Strain Use on Saccharomyces cerevisiae Population Structure and Dynamics in Pinot Noir Vineyards and Spontaneous Fermentations of a Canadian Winery. PLoS One 2016; 11:e0160259. [PMID: 27551920 PMCID: PMC4995015 DOI: 10.1371/journal.pone.0160259] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 07/16/2016] [Indexed: 01/05/2023] Open
Abstract
Wine is produced by one of two methods: inoculated fermentation, where a commercially-produced, single Saccharomyces cerevisiae (S. cerevisiae) yeast strain is used; or the traditional spontaneous fermentation, where yeast present on grape and winery surfaces carry out the fermentative process. Spontaneous fermentations are characterized by a diverse succession of yeast, ending with one or multiple strains of S. cerevisiae dominating the fermentation. In wineries using both fermentation methods, commercial strains may dominate spontaneous fermentations. We elucidate the impact of the winery environment and commercial strain use on S. cerevisiae population structure in spontaneous fermentations over two vintages by comparing S. cerevisiae populations in aseptically fermented grapes from a Canadian Pinot Noir vineyard to S. cerevisiae populations in winery-conducted fermentations of grapes from the same vineyard. We also characterize the vineyard-associated S. cerevisiae populations in two other geographically separate Pinot Noir vineyards farmed by the same winery. Winery fermentations were not dominated by commercial strains, but by a diverse number of strains with genotypes similar to commercial strains, suggesting that a population of S. cerevisiae derived from commercial strains is resident in the winery. Commercial and commercial-related yeast were also identified in the three vineyards examined, although at a lower frequency. There is low genetic differentiation and S. cerevisiae population structure between vineyards and between the vineyard and winery that persisted over both vintages, indicating commercial yeast are a driver of S. cerevisiae population structure. We also have evidence of distinct and persistent populations of winery and vineyard-associated S. cerevisiae populations unrelated to commercial strains. This study is the first to characterize S. cerevisiae populations in Canadian vineyards.
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Affiliation(s)
- Jonathan T. Martiniuk
- Wine Research Centre, University of British Columbia, Vancouver, British Columbia, Canada
| | - Braydon Pacheco
- Wine Research Centre, University of British Columbia, Vancouver, British Columbia, Canada
| | - Gordon Russell
- Wine Research Centre, University of British Columbia, Vancouver, British Columbia, Canada
| | - Stephanie Tong
- Wine Research Centre, University of British Columbia, Vancouver, British Columbia, Canada
| | - Ian Backstrom
- Wine Research Centre, University of British Columbia, Vancouver, British Columbia, Canada
| | - Vivien Measday
- Wine Research Centre, University of British Columbia, Vancouver, British Columbia, Canada
- * E-mail:
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25
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Maturano YP, Mestre MV, Combina M, Toro ME, Vazquez F, Esteve-Zarzoso B. Culture-dependent and independent techniques to monitor yeast species during cold soak carried out at different temperatures in winemaking. Int J Food Microbiol 2016; 237:142-149. [PMID: 27569377 DOI: 10.1016/j.ijfoodmicro.2016.08.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 07/21/2016] [Accepted: 08/11/2016] [Indexed: 11/24/2022]
Abstract
Transformation of grape must into wine is a process that may vary according to the consumers' requirements. Application of cold soak prior to alcoholic fermentation is a common practice in cellars in order to enhance flavor complexity and extraction of phenolic compounds. However, the effect of this step on wine yeast microbiota is not well-known. The current study simultaneously analyzed the effect of different cold soak temperatures on the microbiological population throughout the process and the use of culture-dependent and independent techniques to study this yeast ecology. The temperatures assayed were those normally applied in wineries: 2.5, 8 and 12°C. PCR-DGGE allowed detection of the most representative species such as Hanseniaspora uvarum, Starmerella bacillaris and Saccharomyces cerevisiae. As could be expected, highest diversity indices were obtained at the beginning of each process, and survival of H. uvarum or S. bacillaris depended on the temperature. Our results are in agreement with those obtained with culture independent methods, but qPCR showed higher precision and a different behavior was observed for each yeast species and at each temperature assayed. Comparison of both culture-independent techniques can provide a general overview of the whole process, although DGGE does not reveal the diversity expected due to the reported problems with the sensitivity of this technique.
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Affiliation(s)
- Y Paola Maturano
- Instituto de Biotecnología, Universidad Nacional de San Juan (UNSJ), Av. San Martín 1109 (O), San Juan 5400, Argentina; Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Av. Rivadavia 1917, Ciudad Autónoma de Buenos Aires C1033AAJ, Argentina.
| | - M Victoria Mestre
- Instituto de Biotecnología, Universidad Nacional de San Juan (UNSJ), Av. San Martín 1109 (O), San Juan 5400, Argentina; Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Av. Rivadavia 1917, Ciudad Autónoma de Buenos Aires C1033AAJ, Argentina
| | - Mariana Combina
- Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Av. Rivadavia 1917, Ciudad Autónoma de Buenos Aires C1033AAJ, Argentina; Estación Experimental Agropecuaria Mendoza, Instituto Nacional de Tecnología Agropecuaria (INTA), San Martin 3853, 5507 Luján de Cuyo Mendoza, Argentina
| | - María Eugenia Toro
- Instituto de Biotecnología, Universidad Nacional de San Juan (UNSJ), Av. San Martín 1109 (O), San Juan 5400, Argentina
| | - Fabio Vazquez
- Instituto de Biotecnología, Universidad Nacional de San Juan (UNSJ), Av. San Martín 1109 (O), San Juan 5400, Argentina
| | - Braulio Esteve-Zarzoso
- Biotecnologia Enològica, Departament de Bioquímica i Biotecnologia, Facultat d' Enologia, Universitat Rovira i Virgili, Marcel.li Domingo 1, Tarragona 43007, Spain
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26
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Padilla B, Gil JV, Manzanares P. Past and Future of Non-Saccharomyces Yeasts: From Spoilage Microorganisms to Biotechnological Tools for Improving Wine Aroma Complexity. Front Microbiol 2016; 7:411. [PMID: 27065975 PMCID: PMC4814449 DOI: 10.3389/fmicb.2016.00411] [Citation(s) in RCA: 243] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 03/14/2016] [Indexed: 11/20/2022] Open
Abstract
It is well established that non-Saccharomyces wine yeasts, considered in the past as undesired or spoilage yeasts, can enhance the analytical composition, and aroma profile of the wine. The contribution of non-Saccharomyces yeasts, including the ability to secret enzymes and produce secondary metabolites, glycerol and ethanol, release of mannoproteins or contributions to color stability, is species- and strain-specific, pointing out the key importance of a clever strain selection. The use of mixed starters of selected non-Saccharomyces yeasts with strains of Saccharomyces cerevisiae represents an alternative to both spontaneous and inoculated wine fermentations, taking advantage of the potential positive role that non-Saccharomyces wine yeast species play in the organoleptic characteristics of wine. In this context mixed starters can meet the growing demand for new and improved wine yeast strains adapted to different types and styles of wine. With the aim of presenting old and new evidences on the potential of non-Saccharomyces yeasts to address this market trend, we mainly review the studies focused on non-Saccharomyces strain selection and design of mixed starters directed to improve primary and secondary aroma of wines. The ability of non-Saccharomyces wine yeasts to produce enzymes and metabolites of oenological relevance is also discussed.
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Affiliation(s)
- Beatriz Padilla
- Departament de Bioquímica i Biotecnologia, Facultat d’Enologia, Universitat Rovira i VirgiliTarragona, Spain
| | - José V. Gil
- Departamento de Biotecnología de Alimentos, Instituto de Agroquímica y Tecnología de Alimentos, Consejo Superior de Investigaciones CientíficasPaterna, Spain
- Departamento de Medicina Preventiva y Salud Pública, Ciencias de la Alimentación, Toxicología y Medicina Legal, Facultad de Farmacia, Universitat de ValènciaBurjassot, Spain
| | - Paloma Manzanares
- Departamento de Biotecnología de Alimentos, Instituto de Agroquímica y Tecnología de Alimentos, Consejo Superior de Investigaciones CientíficasPaterna, Spain
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27
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Sipiczki M. Overwintering of Vineyard Yeasts: Survival of Interacting Yeast Communities in Grapes Mummified on Vines. Front Microbiol 2016; 7:212. [PMID: 26973603 PMCID: PMC4770031 DOI: 10.3389/fmicb.2016.00212] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 02/09/2016] [Indexed: 11/13/2022] Open
Abstract
The conversion of grape must into wine involves the development and succession of yeast populations differing in species composition. The initial population is formed by vineyard strains which are washed into the must from the crushed grapes and then completed with yeasts coming from the cellar environment. As the origin and natural habitat of the vineyard yeasts are not fully understood, this study addresses the possibility, that grape yeasts can be preserved in berries left behind on vines at harvest until the spring of the next year. These berries become mummified during the winter on the vines. To investigate whether yeasts can survive in these overwintering grapes, mummified berries were collected in 16 localities in the Tokaj wine region (Hungary-Slovakia) in early March. The collected berries were rehydrated to recover viable yeasts by plating samples onto agar plates. For the detection of minority species which would not be detected by direct plating, an enrichment step repressing the propagation of alcohol-sensitive yeasts was also included in the process. The morphological, physiological, and molecular analysis identified 13 basidiomycetous and 23 ascomycetous species including fermentative yeasts of wine-making relevance among the 3879 isolates. The presence of viable strains of these species demonstrates that the grapes mummified on the vine can serve as a safe reservoir of yeasts, and may contribute to the maintenance of grape-colonizing yeast populations in the vineyard over years, parallel with other vectors and habitats. All basidiomycetous species were known phylloplane yeasts. Three Hanseniaspora species and pigmented Metschnikowia strains were the most frequent ascomycetes. Other fermentative yeasts of wine-making relevance were detected only in the enrichment cultures. Saccharomyces (S. paradoxus, S. cerevisiae, and S. uvarum) were recovered from 13% of the samples. No Candida zemplinina was found. The isolates with Aureobasidium morphology turned out to belong to Aureobasidium subglaciale, Kabatiella microsticta, or Columnosphaeria fagi. The ascomyceteous isolates grew at high concentrations of sugars with Wickerhamomyces anomalus being the most tolerant species. Complex interactions including antagonism (growth inhibition, contact inhibition, competition for nutrients) and synergism (crossfeeding) among the isolates and with Botrytis cinerea shape the composition of the overwintering communities.
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Affiliation(s)
- Matthias Sipiczki
- Department of Genetics and Applied Microbiology, University of Debrecen Debrecen, Hungary
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28
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Dashko S, Liu P, Volk H, Butinar L, Piškur J, Fay JC. Changes in the Relative Abundance of Two Saccharomyces Species from Oak Forests to Wine Fermentations. Front Microbiol 2016; 7:215. [PMID: 26941733 PMCID: PMC4764737 DOI: 10.3389/fmicb.2016.00215] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 02/09/2016] [Indexed: 11/23/2022] Open
Abstract
Saccharomyces cerevisiae and its sibling species Saccharomyces paradoxus are known to inhabit temperate arboreal habitats across the globe. Despite their sympatric distribution in the wild, S. cerevisiae is predominantly associated with human fermentations. The apparent ecological differentiation of these species is particularly striking in Europe where S. paradoxus is abundant in forests and S. cerevisiae is abundant in vineyards. However, ecological differences may be confounded with geographic differences in species abundance. To compare the distribution and abundance of these two species we isolated Saccharomyces strains from over 1200 samples taken from vineyard and forest habitats in Slovenia. We isolated numerous strains of S. cerevisiae and S. paradoxus, as well as a small number of Saccharomyces kudriavzevii strains, from both vineyard and forest environments. We find S. cerevisiae less abundant than S. paradoxus on oak trees both within and outside the vineyard, but more abundant on grapevines and associated substrates. Analysis of the uncultured microbiome shows, that both S. cerevisiae and S. paradoxus are rare species in soil and bark samples, but can be much more common in grape must. In contrast to S. paradoxus, European strains of S. cerevisiae have acquired multiple traits thought to be important for life in the vineyard and dominance of wine fermentations. We conclude, that S. cerevisiae and S. paradoxus currently share both vineyard and non-vineyard habitats in Slovenia and we discuss factors relevant to their global distribution and relative abundance.
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Affiliation(s)
- Sofia Dashko
- Wine Research Center, University of Nova GoricaVipava, Slovenia; Department of Biology, Lund UniversityLund, Sweden
| | - Ping Liu
- Department of Genetics and Center for Genome Sciences and System Biology, Washington University St. Louis, MO, USA
| | - Helena Volk
- Wine Research Center, University of Nova Gorica Vipava, Slovenia
| | - Lorena Butinar
- Wine Research Center, University of Nova Gorica Vipava, Slovenia
| | - Jure Piškur
- Wine Research Center, University of Nova GoricaVipava, Slovenia; Department of Biology, Lund UniversityLund, Sweden
| | - Justin C Fay
- Department of Genetics and Center for Genome Sciences and System Biology, Washington University St. Louis, MO, USA
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29
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Grangeteau C, Gerhards D, Rousseaux S, von Wallbrunn C, Alexandre H, Guilloux-Benatier M. Diversity of yeast strains of the genus Hanseniaspora in the winery environment: What is their involvement in grape must fermentation? Food Microbiol 2015; 50:70-7. [PMID: 25998817 DOI: 10.1016/j.fm.2015.03.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 03/09/2015] [Accepted: 03/16/2015] [Indexed: 11/17/2022]
Abstract
Isolated yeast populations of Chardonnay grape must during spontaneous fermentation were compared to those isolated on grape berries and in a winery environment before the arrival of the harvest (air, floor, winery equipment) and in the air through time. Two genera of yeast, Hanseniaspora and Saccharomyces, were isolated in grape must and in the winery environment before the arrival of the harvest but not on grape berries. The genus Hanseniaspora represented 27% of isolates in the must and 35% of isolates in the winery environment. The isolates of these two species were discriminated at the strain level by Fourier transform infrared spectroscopy. The diversity of these strains observed in the winery environment (26 strains) and in must (12 strains) was considerable. 58% of the yeasts of the genus Hanseniaspora isolated in the must corresponded to strains present in the winery before the arrival of the harvest. Although the proportion and number of strains of the genus Hanseniaspora decreased during fermentation, some strains, all from the winery environment, subsisted up to 5% ethanol content. This is the first time that the implantation in grape must of populations present in the winery environment has been demonstrated for a non-Saccharomyces genus.
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Affiliation(s)
- Cédric Grangeteau
- UMR Procédés Alimentaires et Microbiologiques, Equipe VAlMiS (Vin, Aliment, Microbiologie, Stress), AgroSup Dijon - Université de Bourgogne, IUVV, Rue Claude Ladrey, BP 27877, 21000 Dijon, France
| | - Daniel Gerhards
- Institut für Mikrobiologie und Biochemie Zentrum Analytische Chemie und Mikrobiologie - Hochschule Geisenheim University, Geisenheim, Germany
| | - Sandrine Rousseaux
- UMR Procédés Alimentaires et Microbiologiques, Equipe VAlMiS (Vin, Aliment, Microbiologie, Stress), AgroSup Dijon - Université de Bourgogne, IUVV, Rue Claude Ladrey, BP 27877, 21000 Dijon, France.
| | - Christian von Wallbrunn
- Institut für Mikrobiologie und Biochemie Zentrum Analytische Chemie und Mikrobiologie - Hochschule Geisenheim University, Geisenheim, Germany
| | - Hervé Alexandre
- UMR Procédés Alimentaires et Microbiologiques, Equipe VAlMiS (Vin, Aliment, Microbiologie, Stress), AgroSup Dijon - Université de Bourgogne, IUVV, Rue Claude Ladrey, BP 27877, 21000 Dijon, France
| | - Michèle Guilloux-Benatier
- UMR Procédés Alimentaires et Microbiologiques, Equipe VAlMiS (Vin, Aliment, Microbiologie, Stress), AgroSup Dijon - Université de Bourgogne, IUVV, Rue Claude Ladrey, BP 27877, 21000 Dijon, France
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30
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Yeast population dynamics during prefermentative cold soak of Cabernet Sauvignon and Malbec wines. Int J Food Microbiol 2015; 199:23-32. [PMID: 25621717 DOI: 10.1016/j.ijfoodmicro.2015.01.005] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 12/19/2014] [Accepted: 01/08/2015] [Indexed: 11/21/2022]
Abstract
Prefermentative cold soak is a widely used technique in red wine production, but the impact on the development of native yeast species is hardly described. The aim of this work was to analyse the dynamics and diversity of yeast populations during prefermentative cold soak in red wines. Three different temperatures (14 ± 1 °C; 8 ± 1 °C and 2.5 ± 1 °C) were used for prefermentative cold soak in Cabernet Sauvignon and Malbec grape musts. Saccharomyces and non-Saccharomyces populations during cold soak and alcoholic fermentation were analysed. In addition, the impact on chemical and sensory properties of the wines was examined. Yeast dynamics during prefermentative cold soak were temperature dependent. At 14 ± 1 °C, the total yeast population progressively increased throughout the cold soak period. Conversely, at 2.5 ± 1 °C, the yeast populations maintained stable during the same period. Prefermentative cold soak conducted at 14±1°C favoured development of Hanseniospora uvarum and Candida zemplinina, whereas cold soak conducted at 8 ± 1 °C favoured growth of Saccharomyces cerevisiae. At 2.5 ± 1 °C, no changes in yeast species were recorded. Acidity and bitterness, two sensory descriptors, appear to be related to wines produced with prefermentative cold soak carried out at 14 ± 1 °C. This fact could be associated with the increase in non-Saccharomyces during the prefermentation stage. Our results emphasise the importance of the temperature as a determinant factor to allow an increase in non-Saccharomyces population during prefermentative cold soak and consequently to modify sensorial attributes of wines as well as their sensorial impact.
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31
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Kim MS, Hong YA, Yeo SH, Baek SY, Yun HJ, Rhee CH, Kim KP, Park HD. Environmental resistance of indigenous Saccharomyces cerevisiae with tolerance to potassium metabisulfite at the microbial succession stage of fermenting Campbell Early grape. ACTA ACUST UNITED AC 2013. [DOI: 10.11002/kjfp.2013.20.6.886] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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32
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Assessment of competition in wine fermentation among wild Saccharomyces cerevisiae strains isolated from Sangiovese grapes in Tuscany region. Lebensm Wiss Technol 2013. [DOI: 10.1016/j.lwt.2013.07.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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33
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Bokulich NA, Ohta M, Richardson PM, Mills DA. Monitoring Seasonal Changes in Winery-Resident Microbiota. PLoS One 2013; 8:e66437. [PMID: 23840468 PMCID: PMC3686677 DOI: 10.1371/journal.pone.0066437] [Citation(s) in RCA: 122] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 05/08/2013] [Indexed: 01/19/2023] Open
Abstract
During the transformation of grapes to wine, wine fermentations are exposed to a large area of specialized equipment surfaces within wineries, which may serve as important reservoirs for two-way transfer of microbes between fermentations. However, the role of winery environments in shaping the microbiota of wine fermentations and vectoring wine spoilage organisms is poorly understood at the systems level. Microbial communities inhabiting all major equipment and surfaces in a pilot-scale winery were surveyed over the course of a single harvest to track the appearance of equipment microbiota before, during, and after grape harvest. Results demonstrate that under normal cleaning conditions winery surfaces harbor seasonally fluctuating populations of bacteria and fungi. Surface microbial communities were dependent on the production context at each site, shaped by technological practices, processing stage, and season. During harvest, grape- and fermentation-associated organisms populated most winery surfaces, acting as potential reservoirs for microbial transfer between fermentations. These surfaces harbored large populations of Saccharomyces cerevisiae and other yeasts prior to harvest, potentially serving as an important vector of these yeasts in wine fermentations. However, the majority of the surface communities before and after harvest comprised organisms with no known link to wine fermentations and a near-absence of spoilage-related organisms, suggesting that winery surfaces do not overtly vector wine spoilage microbes under normal operating conditions.
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Affiliation(s)
- Nicholas A. Bokulich
- Department of Viticulture and Enology, University of California Davis, Davis, California, United States of America
- Department of Food Science and Technology, University of California Davis, Davis, California, United States of America
- Foods for Health Institute, University of California Davis, Davis, California, United States of America
| | - Moe Ohta
- Department of Viticulture and Enology, University of California Davis, Davis, California, United States of America
- Department of Food Science and Technology, University of California Davis, Davis, California, United States of America
- Foods for Health Institute, University of California Davis, Davis, California, United States of America
| | | | - David A. Mills
- Department of Viticulture and Enology, University of California Davis, Davis, California, United States of America
- Department of Food Science and Technology, University of California Davis, Davis, California, United States of America
- Foods for Health Institute, University of California Davis, Davis, California, United States of America
- * E-mail:
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Steel CC, Blackman JW, Schmidtke LM. Grapevine bunch rots: impacts on wine composition, quality, and potential procedures for the removal of wine faults. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:5189-206. [PMID: 23675852 DOI: 10.1021/jf400641r] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Bunch rot of grape berries causes economic loss to grape and wine production worldwide. The organisms responsible are largely filamentous fungi, the most common of these being Botrytis cinerea (gray mold); however, there are a range of other fungi responsible for the rotting of grapes such as Aspergillus spp., Penicillium spp., and fungi found in subtropical climates (e.g., Colletotrichum spp. (ripe rot) and Greeneria uvicola (bitter rot)). A further group more commonly associated with diseases of the vegetative tissues of the vine can also infect grape berries (e.g., Botryosphaeriaceae, Phomopsis viticola ). The impact these fungi have on wine quality is poorly understood as are remedial practices in the winery to minimize wine faults. Compounds found in bunch rot affected grapes and wine are typically described as having mushroom, earthy odors and include geosmin, 2-methylisoborneol, 1-octen-3-ol, 2-octen-1-ol, fenchol, and fenchone. This review examines the current state of knowledge about bunch rot of grapes and how this plant disease complex affects wine chemistry. Current wine industry practices to minimize wine faults and gaps in our understanding of how grape bunch rot diseases affect wine production and quality are also identified.
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Affiliation(s)
- Christopher C Steel
- National Wine and Grape Industry Centre, School of Agricultural and Wine Sciences, Charles Sturt University , Locked Bag 588, Wagga Wagga, NSW 2678, Australia
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Hong YA, Park HD. Role of non-Saccharomyces yeasts in Korean wines produced from Campbell Early grapes: Potential use of Hanseniaspora uvarum as a starter culture. Food Microbiol 2013; 34:207-14. [DOI: 10.1016/j.fm.2012.12.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Revised: 03/09/2012] [Accepted: 12/27/2012] [Indexed: 11/30/2022]
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Biodiversity of indigenous Saccharomyces populations from old wineries of south-eastern Sicily (Italy): preservation and economic potential. PLoS One 2012; 7:e30428. [PMID: 22393353 PMCID: PMC3290603 DOI: 10.1371/journal.pone.0030428] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Accepted: 12/20/2011] [Indexed: 11/24/2022] Open
Abstract
In recent years, the preservation of biodiversity has become an important issue. Despite much public discussion, however, current practices in the food industry seldom take account of its potential economic importance: on the contrary, the introduction of industrialized agriculture practices over large areas has often resulted in a dramatic reduction in biodiversity. In this paper, we report on the remarkable degree of biodiversity in the wine yeast populations naturally present in a small area of Sicily (Italy) where traditional (non-industrial) winery practices are still in place. Out of more than 900 Saccharomyces yeast isolates recovered from late spontaneous fermentations, we detected at least 209 strains. Most interestingly, when evaluated at the fermentation and technological level, a number of isolates were found to be superior to industrial yeast strains. Out of a selected group, isolates from two strains were used for experimental fermentations in a winery environment and the quality of the wines produced was assessed at the technological, quality and sensory levels. Given that the characteristics of the wines produced were found to be industrially appealing, the study demonstrated the economic potential of preserving the patrimony of Sicilian yeast biodiversity and highlighted the importance of maintaining traditional wine making practices.
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Tello J, Cordero-Bueso G, Aporta I, Cabellos J, Arroyo T. Genetic diversity in commercial wineries: effects of the farming system and vinification management on wine yeasts. J Appl Microbiol 2012; 112:302-15. [DOI: 10.1111/j.1365-2672.2011.05202.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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38
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Mercado L, Sturm ME, Rojo MC, Ciklic I, Martínez C, Combina M. Biodiversity of Saccharomyces cerevisiae populations in Malbec vineyards from the "Zona Alta del Río Mendoza" region in Argentina. Int J Food Microbiol 2011; 151:319-26. [PMID: 22056145 DOI: 10.1016/j.ijfoodmicro.2011.09.026] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2011] [Revised: 09/22/2011] [Accepted: 09/27/2011] [Indexed: 11/17/2022]
Abstract
The "Zona Alta del Río Mendoza" (ZARM) is the major Malbec grape viticulture region of Argentina. The aim of the present study was to explore Saccharomyces cerevisiae biodiversity in ZARM vineyards. Interdelta PCR and RFLP mtDNA molecular markers were applied to differentiate S. cerevisiae strains. The presence of commercial strains on ZARM vineyards was also assessed. Our results reveal a highly diverse, but genetically closely related, S. cerevisiae population (containing more than 190 molecular patterns among 590 S. cerevisiae isolates). According to the S. cerevisiae strain diversity found in vineyards, they were classified as vineyards with high and low polymorphic S. cerevisiae populations. Six vineyards showed a high polymorphic population, with more than 20 different S. cerevisiae molecular patterns. S. cerevisiae populations in these vineyards were diverse and irregularly distributed, with different strains in each vineyard site. Low polymorphic S. cerevisiae population vineyards displayed very low yeast diversity, with only 9 to 10 different S. cerevisiae strains and presence of two commercial strains widely distributed. Population diversity estimators were calculated to determine the population structure of S. cerevisiae in the ZARM vineyards. The obtained values support the hypothesis that the eight sampled subpopulations come indeed from a larger population.
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Affiliation(s)
- Laura Mercado
- Estación Experimental Agropecuaria Mendoza, Instituto Nacional de Tecnología Agropecuaria-INTA, San Martín 3853, Luján de Cuyo 5507, Mendoza, Argentina.
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Presence of enological microorganisms in the grapes and the air of a vineyard during the ripening period. Eur Food Res Technol 2011. [DOI: 10.1007/s00217-011-1528-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Massera A, Assof M, Sturm ME, Sari S, Jofré V, Cordero-Otero R, Combina M. Selection of indigenous Saccharomyces cerevisiae strains to ferment red musts at low temperature. ANN MICROBIOL 2011. [DOI: 10.1007/s13213-011-0271-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Clavijo A, Calderón IL, Paneque P. Yeast assessment during alcoholic fermentation inoculated with a natural “pied de cuve” or a commercial yeast strain. World J Microbiol Biotechnol 2010. [DOI: 10.1007/s11274-010-0609-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Survival of commercial yeasts in the winery environment and their prevalence during spontaneous fermentations. J Ind Microbiol Biotechnol 2010; 38:235-9. [PMID: 20803347 DOI: 10.1007/s10295-010-0818-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Accepted: 07/26/2010] [Indexed: 10/19/2022]
Abstract
Inoculation of active dry yeasts during the wine-making process has become a common practice in most wine-producing regions; this practice may affect the diversity of the indigenous population of Saccharomyces cerevisiae in the winery. The aim of this work was to study the incidence of commercial yeasts in the experimental winery of Estación de Viticultura e Enoloxía de Galicia (EVEGA) and their ability to lead spontaneous fermentations. To do this, 64 spontaneous fermentations were carried out in the experimental cellar of EVEGA over a period of 7 years. Samples were taken from must and at the beginning, vigorous and final stages of fermentation. A representative number of yeast colonies was isolated from each sample. S. cerevisiae strains were characterised by analysis of mitochondrial DNA restriction patterns. The results showed that although more than 40 different strains of S. cerevisiae were identified, only 10 were found as the dominant strain or in codominance with other strains in spontaneous fermentations. The genetic profiles (mtDNA-RFLPs) of eight of these strains were similar to those of different commercial yeasts that had been previously used in the EVEGA cellar. The remaining two strains were autochthonous ones that were able to reach implantation frequencies as high of those of commercial yeasts. These results clearly indicated that commercial wine yeasts were perfectly adapted to survive in EVEGA cellar conditions, and they successfully competed with the indigenous strains of S. cerevisiae, even during spontaneous fermentations. On the other hand, autochthonous dominant strains that presented desirable oenological traits could be of interest to preserve wine typicity.
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Mercado L, Jubany S, Gaggero C, Masuelli RW, Combina M. Molecular Relationships Between Saccharomyces cerevisiae Strains Involved in Winemaking from Mendoza, Argentina. Curr Microbiol 2010; 61:506-14. [DOI: 10.1007/s00284-010-9645-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2009] [Accepted: 03/26/2010] [Indexed: 11/24/2022]
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Li SS, Cheng C, Li Z, Chen JY, Yan B, Han BZ, Reeves M. Yeast species associated with wine grapes in China. Int J Food Microbiol 2010; 138:85-90. [PMID: 20116124 DOI: 10.1016/j.ijfoodmicro.2010.01.009] [Citation(s) in RCA: 105] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2009] [Revised: 12/17/2009] [Accepted: 01/08/2010] [Indexed: 10/20/2022]
Abstract
Having more information on the yeast ecology of grapes is important for wine-makers to produce wine with high quality and typical attributes. China is a significant wine-consuming country and is becoming a serious wine-producer, but little has been reported about the yeast ecology of local ecosystems. This study provides the first step towards the exploitation of the yeast wealth in China's vine-growing regions. The aim of this study was to investigate the yeast population density and diversity on three grape varieties cultivated in four representative vine-growing regions of China. Yeast species diversity was evaluated by using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and sequence analysis of the 5.8S internal transcribed spacer (ITS) ribosomal DNA (rDNA) region of cultivable yeasts. The grapes harbored yeast populations at 10(2)-10(6)CFU/mL, consisting mostly of non-Saccharomyces species. Seventeen different yeast species belonging to eight genera were detected on the grape samples tested, including Hanseniaspora uvarum, Cryptococcus flavescens, Pichia fermentans, Candida zemplinina, Cryptococcus carnescens, Candida inconpicua, Zygosaccharomyces fermentati, Issatchenkia terricola, Candida quercitrusa, Hanseniaspora guilliermondii, Candida bombi, Zygosaccharomyces bailii, Sporidiobolus pararoseus, Cryptococcus magnus, Metschnikowia pulcherrima, Issatchenkia orientalis and Pichia guilliermondii. H. uvarum and C. flavescens were the dominant species present on the grapes. For the first time Sporidiobolus pararoseus was discovered as an inhabitant of the grape ecosystem. The yeast community on grape berries was influenced by the grape chemical composition, vine-variety and vine-growing region. This study is the first to identify the yeast communities associated with grapes in China using molecular methods. The results enrich our knowledge of wine-related microorganisms, and can be used to promote the development of the local wine industry.
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Affiliation(s)
- Shuang-Shi Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
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Tosi E, Azzolini M, Guzzo F, Zapparoli G. Evidence of different fermentation behaviours of two indigenous strains ofSaccharomyces cerevisiaeandSaccharomyces uvarumisolated from Amarone wine. J Appl Microbiol 2009; 107:210-8. [PMID: 19245401 DOI: 10.1111/j.1365-2672.2009.04196.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- E Tosi
- Centro per la Sperimentazione in Vitivinicoltura, Provincia di Verona, Servizio Agricoltura, San Floriano, Verona, Italy
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Abstract
International competition within the wine market, consumer demands for newer styles of wines and increasing concerns about the environmental sustainability of wine production are providing new challenges for innovation in wine fermentation. Within the total production chain, the alcoholic fermentation of grape juice by yeasts is a key process where winemakers can creatively engineer wine character and value through better yeast management and, thereby, strategically tailor wines to a changing market. This review considers the importance of yeast ecology and yeast metabolic reactions in determining wine quality, and then discusses new directions for exploiting yeasts in wine fermentation. It covers criteria for selecting and developing new commercial strains, the possibilities of using yeasts other than those in the genus of Saccharomyces, the prospects for mixed culture fermentations and explores the possibilities for high cell density, continuous fermentations.
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Affiliation(s)
- Graham H Fleet
- Food Science, School of Chemical Sciences and Engineering, University of New South Wales, Sydney, NSW, Australia.
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47
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Saccharomyces cerevisiae strains associated with the production of cachaça: identification and characterization by traditional and molecular methods (PCR, PFGE and mtDNA-RFLP). World J Microbiol Biotechnol 2008. [DOI: 10.1007/s11274-008-9799-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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48
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Dynamics and diversity of non-Saccharomyces yeasts during the early stages in winemaking. Int J Food Microbiol 2008; 125:197-203. [DOI: 10.1016/j.ijfoodmicro.2008.04.001] [Citation(s) in RCA: 139] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2008] [Revised: 02/27/2008] [Accepted: 04/01/2008] [Indexed: 11/24/2022]
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49
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Santamaría P, López R, López E, Garijo P, Gutiérrez AR. Permanence of yeast inocula in the winery ecosystem and presence in spontaneous fermentations. Eur Food Res Technol 2008. [DOI: 10.1007/s00217-008-0855-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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50
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Current awareness on yeast. Yeast 2007. [DOI: 10.1002/yea.1575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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