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Torres-Palazzolo C, Ferreyra S, Hugalde IP, Kuhn Y, Combina M, Ponsone ML. Recent advances in biocontrol and other alternative strategies for the management of postharvest decay in table grapes. Int J Food Microbiol 2024; 420:110766. [PMID: 38815343 DOI: 10.1016/j.ijfoodmicro.2024.110766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
During postharvest, table grapes are often spoiled by molds. Aspergillus sp., Alternaria sp., Botrytis sp., Cladosporium sp. and Penicillium sp. are different mold genera frequently related to table grape rot. Fungal spoilage affects nutritional value and organoleptic properties while also producing health hazards, such as mycotoxins. Traditionally, synthetic fungicides have been employed to control fungal diseases. However, possible negative effects on health and the environment are a serious concern for consumers and government entities. This review summarized data on innovative strategies proposed to diminish postharvest losses and extend table grape shelf life. Among physical, chemical, and biological strategies, either alone or in combination, the integrated management of fungal diseases is a sustainable alternative to synthetic fungicides. However, to date, only a few alternative technologies have succeeded on a commercial scale. Recent research aimed at increasing the competitiveness of alternative technologies has led to the development of integrated management strategies to prevent postharvest decay and increase the safety and quality of table grapes.
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Affiliation(s)
- Carolina Torres-Palazzolo
- Estación Experimental Agropecuaria Mendoza, Instituto Nacional de Tecnología Agropecuaria (EEA Mendoza INTA), San Martín 3853, Mayor Drummond, Luján de Cuyo, M5507 Mendoza, Argentina; Centro Regional Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas (CCT-Mendoza CONICET), Avenida Ruiz Leal s/n, Parque General San Martín, M5500 Mendoza, Argentina; Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo (FCA UNCuyo), Almirante Brown 500, Chacras de Coria, M5528 Mendoza, Argentina
| | - Susana Ferreyra
- Estación Experimental Agropecuaria Mendoza, Instituto Nacional de Tecnología Agropecuaria (EEA Mendoza INTA), San Martín 3853, Mayor Drummond, Luján de Cuyo, M5507 Mendoza, Argentina; Centro Regional Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas (CCT-Mendoza CONICET), Avenida Ruiz Leal s/n, Parque General San Martín, M5500 Mendoza, Argentina
| | - Ines P Hugalde
- Estación Experimental Agropecuaria Mendoza, Instituto Nacional de Tecnología Agropecuaria (EEA Mendoza INTA), San Martín 3853, Mayor Drummond, Luján de Cuyo, M5507 Mendoza, Argentina; Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo (FCA UNCuyo), Almirante Brown 500, Chacras de Coria, M5528 Mendoza, Argentina
| | - Yamila Kuhn
- Estación Experimental Agropecuaria Mendoza, Instituto Nacional de Tecnología Agropecuaria (EEA Mendoza INTA), San Martín 3853, Mayor Drummond, Luján de Cuyo, M5507 Mendoza, Argentina
| | - Mariana Combina
- Estación Experimental Agropecuaria Mendoza, Instituto Nacional de Tecnología Agropecuaria (EEA Mendoza INTA), San Martín 3853, Mayor Drummond, Luján de Cuyo, M5507 Mendoza, Argentina; Centro Regional Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas (CCT-Mendoza CONICET), Avenida Ruiz Leal s/n, Parque General San Martín, M5500 Mendoza, Argentina
| | - Maria Lorena Ponsone
- Estación Experimental Agropecuaria Mendoza, Instituto Nacional de Tecnología Agropecuaria (EEA Mendoza INTA), San Martín 3853, Mayor Drummond, Luján de Cuyo, M5507 Mendoza, Argentina; Centro Regional Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas (CCT-Mendoza CONICET), Avenida Ruiz Leal s/n, Parque General San Martín, M5500 Mendoza, Argentina; Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo (FCEN UNCuyo), Padre Jorge Contreras 1300, Parque General San Martín, M5502 Mendoza, Argentina.
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Brischetto C, Rossi V, Fedele G. Knowledge gaps on grape sour rot inferred from a systematic literature review. FRONTIERS IN PLANT SCIENCE 2024; 15:1415379. [PMID: 39022603 PMCID: PMC11251901 DOI: 10.3389/fpls.2024.1415379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 06/17/2024] [Indexed: 07/20/2024]
Abstract
Sour rot (SR) is one of the major diseases affecting grapevine berries, causing severe yield losses and deterioration of wine quality. SR is caused by an etiologic complex of microorganisms, including yeasts, bacteria, and filamentous fungi. This systematic review focuses on the etiology, epidemiology, and control of SR. A total of 74 papers published between 1986 and 2023 were assessed in this review. Description of disease symptoms was quite consistent across the papers, including oxidation of the grape skin, disaggregation of the internal tissues, and detachment of the rotten berries from the pedicel. The affected bunches are characterized by the smell of acetic acid and ethyl acetate that attracts fruit flies (Drosophila spp.). However, several knowledge gaps and/or inconsistencies were identified with respect to SR etiology, epidemiology, and control. Overall, 146 microorganisms were isolated from the affected berries (44.5% yeasts, 34.3% bacteria, and 21.2% filamentous fungi); however, the selected papers could not definitively clarify which species are primarily involved in the etiology of the disease. A general inconsistency was also observed in the methods used to assess the incidence and severity of SR in vineyards, making inter-study comparisons extremely challenging. Inconsistencies were also found in the methods used for pathogenicity assessment in artificial inoculation studies. Furthermore, gaps were detected in terms of SR epidemiology, with a focus on environmental conditions affecting the disease development. The SR management options are limited, and efficacy trials often result in poor, variable, and inconsistent levels of control, which might be attributed to the lack of knowledge on disease epidemiology. These knowledge gaps and inconsistencies were analyzed in this review to inform future research activities.
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Affiliation(s)
| | | | - Giorgia Fedele
- Research Center on Plant Health Modelling (PHeM), Department of Sustainable Crop Production (DI.PRO.VE.S.), Università Cattolica del Sacro Cuore, Piacenza, Italy
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Zjalic S, Markov K, Loncar J, Jakopovic Z, Beccaccioli M, Reverberi M. Biocontrol of Occurrence Ochratoxin A in Wine: A Review. Toxins (Basel) 2024; 16:277. [PMID: 38922171 PMCID: PMC11209579 DOI: 10.3390/toxins16060277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 05/29/2024] [Accepted: 06/01/2024] [Indexed: 06/27/2024] Open
Abstract
Viticulture has been an important economic sector for centuries. In recent decades, global wine production has fluctuated between 250 and almost 300 million hectoliters, and in 2022, the value of wine exports reached EUR 37.6 billion. Climate change and the associated higher temperatures could favor the occurrence of ochratoxin A (OTA) in wine. OTA is a mycotoxin produced by some species of the genera Aspergillus and Penicillium and has nephrotoxic, immunotoxic, teratogenic, hepatotoxic, and carcinogenic effects on animals and humans. The presence of this toxin in wine is related to the type of wine-red wines are more frequently contaminated with OTA-and the geographical location of the vineyard. In Europe, the lower the latitude, the greater the risk of OTA contamination in wine. However, climate change could increase the risk of OTA contamination in wine in other regions. Due to their toxic effects, the development of effective and environmentally friendly methods to prevent, decontaminate, and degrade OTA is essential. This review summarises the available research on biological aspects of OTA prevention, removal, and degradation.
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Affiliation(s)
- Slaven Zjalic
- Department of Ecology, Agronomy and Aquaculture, University of Zadar, Trg kneza Viseslava 9, 23000 Zadar, Croatia;
| | - Ksenija Markov
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia; (K.M.); (Z.J.)
| | - Jelena Loncar
- Department of Ecology, Agronomy and Aquaculture, University of Zadar, Trg kneza Viseslava 9, 23000 Zadar, Croatia;
| | - Zeljko Jakopovic
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia; (K.M.); (Z.J.)
| | - Marzia Beccaccioli
- Department of Environmental Biology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy;
| | - Massimo Reverberi
- Department of Environmental Biology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy;
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Dost C, Michling F, Kaimenyi D, Rij M, Wendland J. Isolation of Saccharomycopsis species from plant material. Microbiol Res 2024; 283:127691. [PMID: 38492364 DOI: 10.1016/j.micres.2024.127691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/29/2024] [Accepted: 03/08/2024] [Indexed: 03/18/2024]
Abstract
Saccharomycopsis species are natural organic sulphur auxotrophs. Their genomes do not encode genes for the uptake and assimilation of sulphate and thus these species cannot grow on media lacking e.g. methionine. Due to the similarity between sulphate and selenate, uptake and assimilation of selenate occurs through the same pathway starting from sulphate transporters encoded by the homologs of the SUL1 and SUL2 genes in S. cerevisiae. Lack of these transporters renders Saccharomycopsis species resistant to selenate levels that are toxic to other microorganisms. We used this feature to enrich environmental samples for Saccharomycopsis species. This led to the isolation of S. schoenii, S. lassenensis and a hitherto undescribed Saccharomycopsis species with limited by-catch of other yeasts, mainly belonging to Metschnikowia and Hanseniaspora. We performed growth and predation assays to characterize the potential of these new isolates as predacious yeasts. Most Saccharomycopsis species are temperature sensitive and cannot grow at 37°C; with the exception of S. lassenensis strains. Predation assays with S. schoenii and S. cerevisiae as prey indicated that predation was enhanced at 20°C compared to 30°C. We crossed an American isolate of S. schoenii with our German isolate using marker directed breeding. Viable progeny indicated that both strains are interfertile and belong to the same biological species. S. lassenensis is heterothallic, while S. schoenii and the new Saccharomycopsis isolate, for which we suggest the name S. geisenheimensis sp. nov., are homothallic.
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Affiliation(s)
- Carmen Dost
- Department of Microbiology and Biochemistry, Hochschule Geisenheim University, Von-Lade-Strasse 1, Geisenheim 65366, Germany; Geisenheim Yeast Breeding Center, Hochschule Geisenheim University, Von-Lade-Strasse 1, Geisenheim 65366, Germany
| | - Florian Michling
- Department of Microbiology and Biochemistry, Hochschule Geisenheim University, Von-Lade-Strasse 1, Geisenheim 65366, Germany; Geisenheim Yeast Breeding Center, Hochschule Geisenheim University, Von-Lade-Strasse 1, Geisenheim 65366, Germany
| | - Davies Kaimenyi
- Department of Microbiology and Biochemistry, Hochschule Geisenheim University, Von-Lade-Strasse 1, Geisenheim 65366, Germany
| | - Mareike Rij
- Department of Microbiology and Biochemistry, Hochschule Geisenheim University, Von-Lade-Strasse 1, Geisenheim 65366, Germany
| | - Jürgen Wendland
- Department of Microbiology and Biochemistry, Hochschule Geisenheim University, Von-Lade-Strasse 1, Geisenheim 65366, Germany; Geisenheim Yeast Breeding Center, Hochschule Geisenheim University, Von-Lade-Strasse 1, Geisenheim 65366, Germany.
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Suo A, Wu C, Fan G, Li T, Wu F, Cong K. Optimization of fermentation conditions and quality evaluation of Chaenomeles sinensis glutinous rice wine. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2024; 61:1138-1147. [PMID: 38562590 PMCID: PMC10981636 DOI: 10.1007/s13197-024-05934-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 10/19/2022] [Accepted: 01/09/2024] [Indexed: 04/04/2024]
Abstract
The present study was conducted to optimize fermentation conditions for preparation of Chaenomeles sinensis Glutinous Rice Wine (CRW). The dynamic changes of main substances in the liquor during fermentation process, aroma components, biologically active substances and antioxidant capacity in the CRW after 6 months of aging were tested. The results showed that under optimized conditions, the yield and alcohol content of wine was 44.97 and 20.00%, respectively. After aging, 64 aroma components were detected in the wine, mainly alcohols and esters. The alcohol content of the CRW was 14.8%. Polyphenols and flavonoids reached 0.23 g/L and 0.037 g/L respectively. Furthermore, the CRW had an excellent free radical scavenging ability. Supplementary Information The online version contains supplementary material available at 10.1007/s13197-024-05934-0.
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Affiliation(s)
- Andi Suo
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037 Jiangsu China
| | - Caie Wu
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037 Jiangsu China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037 Jiangsu China
| | - Gongjian Fan
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037 Jiangsu China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037 Jiangsu China
| | - Tingting Li
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037 Jiangsu China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037 Jiangsu China
| | - Fangfang Wu
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037 Jiangsu China
| | - Kaiping Cong
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037 Jiangsu China
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Ding Y, Wang L, Wang H, Li H. Dynamic Succession of Natural Microbes during the Ecolly Grape Growth under Extremely Simplified Eco-Cultivation. Foods 2024; 13:1580. [PMID: 38790880 PMCID: PMC11120413 DOI: 10.3390/foods13101580] [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: 03/17/2024] [Revised: 04/26/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024] Open
Abstract
The composition and continuous succession of natural microbial communities during grape growth play important roles in grape health and flavor quality as well as in characterizing the regional wine terroir. This study explored the diversity and dynamics of fruit epidermal microbes at each growth and developmental stage of Ecolly grapes under an extremely simplified eco-cultivation model, analyzed microbial interactions and associations of weather parameters to specific communities, and emphasized metabolic functional characteristics of microecology. The results indicated that the natural microbial community changed significantly during the grape growth phase. The dominant fungal genera mainly included Gibberella, Alternaria, Filobasidium, Naganishia, Ascochyta, Apiotrichum, Comoclathris, and Aureobasidium, and the dominant bacterial genera mainly contained Sediminibacterium, Ralstonia, Pantoea, Bradyrhizobium, Brevundimonas, Mesorhizobium, Planococcus, and Planomicrobium. In summary, filamentous fungi gradually shifted to basidiomycetous yeasts along with fruit ripening, with a decline in the number of Gram-negative bacteria and a relative increase in Gram-positive bacteria. The community assembly process reflects the fact that microbial ecology may be influenced by a variety of factors, but the fungal community was more stable, and the bacterial community fluctuated more from year to year, which may reflect their response to weather conditions over the years. Overall, our study helps to comprehensively profile the ecological characteristics of the grape microbial system, highlights the natural ecological viticulture concept, and promotes the sustainable development of the grape and wine industry.
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Affiliation(s)
- Yinting Ding
- College of Enology, Northwest A&F University, Xianyang 712100, China; (Y.D.); (L.W.); (H.W.)
| | - Lin Wang
- College of Enology, Northwest A&F University, Xianyang 712100, China; (Y.D.); (L.W.); (H.W.)
| | - Hua Wang
- College of Enology, Northwest A&F University, Xianyang 712100, China; (Y.D.); (L.W.); (H.W.)
- China Wine Industry Technology Institute, Yinchuan 750021, China
- Shaanxi Engineering Research Center for Viti-Viniculture, Xianyang 712100, China
- Engineering Research Center for Viti-Viniculture, National Forestry and Grassland Administration, Xianyang 712100, China
| | - Hua Li
- College of Enology, Northwest A&F University, Xianyang 712100, China; (Y.D.); (L.W.); (H.W.)
- China Wine Industry Technology Institute, Yinchuan 750021, China
- Shaanxi Engineering Research Center for Viti-Viniculture, Xianyang 712100, China
- Engineering Research Center for Viti-Viniculture, National Forestry and Grassland Administration, Xianyang 712100, China
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Bunbury-Blanchette AL, Fan L, Kernaghan G. Yeast communities of a North American hybrid wine grape differ between organic and conventional vineyards. J Appl Microbiol 2024; 135:lxae092. [PMID: 38621715 DOI: 10.1093/jambio/lxae092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 03/20/2024] [Accepted: 04/13/2024] [Indexed: 04/17/2024]
Abstract
AIMS To compare the species diversity and composition of indigenous yeast communities of hybrid grapes from conventionally and organically cultivated vineyards of an emerging cool-climate wine producing region. METHODS AND RESULTS Illumina MiSeq sequences from L'Acadie blanc grape musts were processed and filtered to characterize indigenous yeast communities in organic and conventional vineyards of the Annapolis Valley wine region in Nova Scotia, Canada. While cultivation practice was not associated with yeast diversity or species richness, there was a strong effect on yeast community composition, with conventional vineyards characterized by higher proportions of Sporidiobolales and Filobasidium magnum, and organic vineyards supporting Filobasidium species other than F. magnum and higher proportions of Symmetrospora. There was also variation in yeast community composition among individual vineyards, and from year to year. CONCLUSIONS This is the first comprehensive assessment of yeasts associated with hybrid grapes grown using different cultivation practices in a North American cool climate wine region. Communities were dominated by basidiomycete yeasts and species composition of these yeasts differed significantly between vineyards employing organic and conventional cultivation practices. The role of basidiomycete yeasts in winemaking is not well understood, but some species may influence wine characteristics.
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Affiliation(s)
- Adele L Bunbury-Blanchette
- Saint Mary's University, Faculty of Graduate Studies and Research, 923 Robie St, Atrium Building, Suite 210, Halifax, Nova Scotia B3H 1G3, Canada
| | - Lihua Fan
- Agriculture and Agri-Food Canada, Kentville Research and Development Centre, 32 Main St, Kentville, Nova Scotia B4N 1J5, Canada
| | - Gavin Kernaghan
- Mount Saint Vincent University, Department of Biology, 166 Bedford Highway, Halifax, Nova Scotia, B3M 1J9, Canada
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Iorizzo M, Bagnoli D, Vergalito F, Testa B, Tremonte P, Succi M, Pannella G, Letizia F, Albanese G, Lombardi SJ, Coppola R. Diversity of fungal communities on Cabernet and Aglianico grapes from vineyards located in Southern Italy. Front Microbiol 2024; 15:1399968. [PMID: 38725687 PMCID: PMC11079197 DOI: 10.3389/fmicb.2024.1399968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 04/11/2024] [Indexed: 05/12/2024] Open
Abstract
Grape-associated microbial community is influenced by a combination of viticultural, climatic, pedological and anthropological factors, collectively known as terroir. Therefore, grapes of the same cultivar grown in different areas can be appreciated for their distinctive biogeographic characteristics. In our previous study, we showed that the phenotypic response of Aglianico and Cabernet grapevines from Molise and Sicily regions is significantly influenced by the prevailing pedoclimatic conditions, particularly soil physical properties. However, the scale at which microbial communities differ could be important in clarifying the concept of terroir, including whether it is linked to the grape variety present in a particular vineyard. To explore this further, in the research presented here, a comparative study on the fungal communities inhabiting the berry surfaces of Cabernet and Aglianico cultivars was conducted on different vineyards located in Southern Italy (Molise, Sicily and Campania regions, the first two of which had been involved in our previous study) by using high-throughput sequencing (HTS) and multivariate data analysis. The descriptive approach through relative abundance analysis showed the most abundant phyla (Ascomycota, Basidiomycota, and Chytridiomycota), families (Cladosporiaceae, Saccotheciaceae, Pleosporaceae, Saccharomycodaceae, Sporidiobolaceae, Didymellaceae, Filobasidiaceae, Bulleribasidiaceae, and Saccharomycetaceae) and genera (Cladosporium, Aureobasidium, Alternaria, Stemphylium and Filobasidium) detected on grape berries. The multivariate data analysis performed by using different packages (phyloseq, Vegan, mixOmics, microbiomeMarker and ggplot2) highlighted that the variable "vineyard location" significantly affect the fungal community, while the variable "grape variety" has no significant effect. Thus, some taxa are found to be part of specific vineyard ecosystems rather than specific grape varieties, giving additional information on the microbial contribution to wine quality, thanks to the presence of fermentative yeasts or, conversely, to the involvement in negative or detrimental roles, due to the presence of grape-deriving fungi implied in the spoilage of wine or in grapevine pathogenesis. In this connection, the main functions of core taxa fungi, whose role in the vineyard environment is still poorly understood, are also described.
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Affiliation(s)
- Massimo Iorizzo
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Diletta Bagnoli
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Franca Vergalito
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Bruno Testa
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Patrizio Tremonte
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Mariantonietta Succi
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Gianfranco Pannella
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
- Department of Science and Technology for Sustainable Development and One Health, University Campus Bio-Medico of Rome, Rome, Italy
| | - Francesco Letizia
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Gianluca Albanese
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Silvia Jane Lombardi
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
| | - Raffaele Coppola
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
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Remenyik J, Csige L, Dávid P, Fauszt P, Szilágyi-Rácz AA, Szőllősi E, Bacsó ZR, Szepsy Jnr I, Molnár K, Rácz C, Fidler G, Kállai Z, Stündl L, Dobos AC, Paholcsek M. Exploring the interplay between the core microbiota, physicochemical factors, agrobiochemical cycles in the soil of the historic tokaj mád wine region. PLoS One 2024; 19:e0300563. [PMID: 38626236 PMCID: PMC11020696 DOI: 10.1371/journal.pone.0300563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 02/29/2024] [Indexed: 04/18/2024] Open
Abstract
A Hungarian survey of Tokaj-Mád vineyards was conducted. Shotgun metabarcoding was applied to decipher the microbial-terroir. The results of 60 soil samples showed that there were three dominant fungal phyla, Ascomycota 66.36% ± 15.26%, Basidiomycota 18.78% ± 14.90%, Mucoromycota 11.89% ± 8.99%, representing 97% of operational taxonomic units (OTUs). Mutual interactions between microbiota diversity and soil physicochemical parameters were revealed. Principal component analysis showed descriptive clustering patterns of microbial taxonomy and resistance gene profiles in the case of the four historic vineyards (Szent Tamás, Király, Betsek, Nyúlászó). Linear discriminant analysis effect size was performed, revealing pronounced shifts in community taxonomy based on soil physicochemical properties. Twelve clades exhibited the most significant shifts (LDA > 4.0), including the phyla Verrucomicrobia, Bacteroidetes, Chloroflexi, and Rokubacteria, the classes Acidobacteria, Deltaproteobacteria, Gemmatimonadetes, and Betaproteobacteria, the order Sphingomonadales, Hypomicrobiales, as well as the family Sphingomonadaceae and the genus Sphingomonas. Three out of the four historic vineyards exhibited the highest occurrences of the bacterial genus Bradyrhizobium, known for its positive influence on plant development and physiology through the secretion of steroid phytohormones. During ripening, the taxonomical composition of the soil fungal microbiota clustered into distinct groups depending on altitude, differences that were not reflected in bacteriomes. Network analyses were performed to unravel changes in fungal interactiomes when comparing postveraison and preharvest samples. In addition to the arbuscular mycorrhiza Glomeraceae, the families Mycosphaerellacae and Rhyzopodaceae and the class Agaricomycetes were found to have important roles in maintaining soil microbial community resilience. Functional metagenomics showed that the soil Na content stimulated several of the microbiota-related agrobiogeochemical cycles, such as nitrogen and sulphur metabolism; steroid, bisphenol, toluene, dioxin and atrazine degradation and the synthesis of folate.
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Affiliation(s)
- Judit Remenyik
- Center for Complex Systems and Microbiome Innovations, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - László Csige
- Research Laboratory and Wine Academy of Mad, University of Debrecen, Mád, Hungary
| | - Péter Dávid
- Center for Complex Systems and Microbiome Innovations, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Péter Fauszt
- Center for Complex Systems and Microbiome Innovations, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Anna Anita Szilágyi-Rácz
- Center for Complex Systems and Microbiome Innovations, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Erzsébet Szőllősi
- Center for Complex Systems and Microbiome Innovations, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Zsófia Réka Bacsó
- Research Laboratory and Wine Academy of Mad, University of Debrecen, Mád, Hungary
| | - István Szepsy Jnr
- Research Laboratory and Wine Academy of Mad, University of Debrecen, Mád, Hungary
| | - Krisztina Molnár
- Centre for Precision Farming R&D Services, Faculty of Agriculture, Food Science and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Csaba Rácz
- Centre for Precision Farming R&D Services, Faculty of Agriculture, Food Science and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Gábor Fidler
- Center for Complex Systems and Microbiome Innovations, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Zoltán Kállai
- Department of Genetics and Applied Microbiology, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary
| | - László Stündl
- Institute of Food Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Attila Csaba Dobos
- Centre for Precision Farming R&D Services, Faculty of Agriculture, Food Science and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Melinda Paholcsek
- Center for Complex Systems and Microbiome Innovations, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
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10
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Martins V, Teixeira A, Gerós H. A comparison of microbiota isolation methods reveals habitat preferences for fermentative yeasts and plant pathogenic fungi in the grape berry. Food Microbiol 2024; 118:104408. [PMID: 38049270 DOI: 10.1016/j.fm.2023.104408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/26/2023] [Accepted: 10/20/2023] [Indexed: 12/06/2023]
Abstract
The methodologies for profiling the grape berry microbiota have exponentially evolved in the past 25 years. Recently, concerns arose regarding the homogeneity in the protocols of grape harvesting, sequencing and bioinformatic analyses, but the bias introduced by the microbiota isolation method is still unexplored. This study followed a simple approach of comparing two most used methods of microbiota collection from grape berries (washing vs crushing), hypothesizing a significant impact in the outcome of the microbiota profiles analyzed by NGS metabarcoding. Experiments conducted in fruits of three cultivars of the Douro wine region showed that only 52 % of OTUs were common to both surface and juice microbiota, suggesting specific microbial niches. Thirteen fungal genera were abundantly detected in the fruit surface, including Alternaria, Aureobasidium, Cladosporium, Didymella and Bipolaris. Fermentative yeasts including Meyerozyma and Saccharomyces cerevisiae were exclusively detected in the juice, together with several Penicillium species. Distinct habitat preferences of species within the genera Alternaria, Sporobolomyces and Rhodotorula were also revealed. The study showed that the microbiota isolation method is crucial in the detection of certain plant pathogenic/saprophytic fungi and yeasts with biotechnological and oenological interest, adding novelty to the globally accepted assumption that S. cerevisiae in musts originates primarily from the cellar.
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Affiliation(s)
- Viviana Martins
- Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
| | - António Teixeira
- Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
| | - Hernâni Gerós
- Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
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11
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Palacios-Rodriguez AP, Espinoza-Culupú A, Durán Y, Sánchez-Rojas T. Antimicrobial Activity of Bacillus amyloliquefaciens BS4 against Gram-Negative Pathogenic Bacteria. Antibiotics (Basel) 2024; 13:304. [PMID: 38666980 PMCID: PMC11047741 DOI: 10.3390/antibiotics13040304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/08/2024] [Accepted: 03/15/2024] [Indexed: 04/29/2024] Open
Abstract
Worldwide, bacterial resistance is one of the most severe public health problems. Currently, the failure of antibiotics to counteract superbugs highlights the need to search for new molecules with antimicrobial potential to combat them. The objective of this research was to evaluate the antimicrobial activity of Bacillus amyloliquefaciens BS4 against Gram-negative bacteria. Thirty yeasts and thirty-two Bacillus isolates were tested following the agar well-diffusion method. Four Bacillus sp. strains (BS3, BS4, BS17, and BS21) showed antagonistic activity against E. coli ATCC 25922 using bacterial culture (BC) and the cell-free supernatant (CFS), where the BS4 strain stood out, showing inhibitory values of 20.50 ± 0.70 mm and 19.67 ± 0.58 mm for BC and CFS, respectively. The Bacillus sp. BS4 strain can produce antioxidant, non-hemolytic, and antimicrobial metabolites that exhibit activity against several microorganisms such as Salmonella enterica, Klebsiella pneumoniae, Shigella flexneri, Enterobacter aerogenes, Proteus vulgaris, Yersinia enterocolitica, Serratia marcescens, Aeromonas sp., Pseudomonas aeruginosa, Candida albicans, and Candida tropicalis. According to the characterization of the supernatant, the metabolites could be proteinaceous. The production of these metabolites is influenced by carbon and nitrogen sources. The most suitable medium to produce antimicrobial metabolites was TSB broth. The one-factor-at-a-time method was used to standardize parameters such as pH, agitation, temperature, carbon source, nitrogen source, and salts, resulting in the best conditions of pH 7, 150 rpm, 28 °C, starch (2.5 g/L), tryptone (20 g/L), and magnesium sulfate (0.2 g/L), respectively. Moreover, the co-culture was an excellent strategy to improve antimicrobial activity, achieving maximum antimicrobial activity with an inhibition zone of 21.85 ± 1.03 mm. These findings position the Bacillus amyloliquefaciens BS4 strain as a promising candidate for producing bioactive molecules with potential applications in human health.
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Affiliation(s)
- Ana Paula Palacios-Rodriguez
- Laboratory of Environmental Microbiology and Biotechnology, Faculty of Biological Sciences, Universidad Nacional Mayor de San Marcos, Lima 15081, Peru; (A.P.P.-R.); (Y.D.)
| | - Abraham Espinoza-Culupú
- Laboratory of Molecular Microbiology and Biotechnology, Faculty of Biological Sciences, Universidad Nacional Mayor de San Marcos, Lima 15081, Peru
| | - Yerson Durán
- Laboratory of Environmental Microbiology and Biotechnology, Faculty of Biological Sciences, Universidad Nacional Mayor de San Marcos, Lima 15081, Peru; (A.P.P.-R.); (Y.D.)
| | - Tito Sánchez-Rojas
- Laboratory of Environmental Microbiology and Biotechnology, Faculty of Biological Sciences, Universidad Nacional Mayor de San Marcos, Lima 15081, Peru; (A.P.P.-R.); (Y.D.)
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12
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Yang H, Wang Z, Zhang Z, Shu C, Zhu J, Li Y, Zhang J. Diversity of 'Cabernet Sauvignon' Grape Epidermis and Environmental Bacteria in Wineries from Different Sub-Regions of the Eastern Foothills of Helan Mountain, Ningxia. Foods 2024; 13:252. [PMID: 38254553 PMCID: PMC10815095 DOI: 10.3390/foods13020252] [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: 12/04/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
Understanding the composition of the bacterial community on the epidermis of wine grapes and in winery environments, as well as the response of grape epidermal bacteria to climatic factors, plays a significant role in ensuring grape health and promoting grape conversion into wine. This study utilized high-throughput sequencing to explore the composition of the bacterial community on the wine grape epidermis and representative wineries of three sub-regions of the Eastern Foothills of Helan Mountain, Ningxia. The results showed that the bacterial diversity and richness in the Yongning (YN) sub-region were the highest, with Qingtongxia (QTX) having the lowest levels of grape epidermal bacteria. The bacterial diversity and richness were the highest in Yinchuan (YC) and the lowest in YN in the winery environment (p < 0.05). The composition of dominant bacteria on the grape epidermis and in winery environments of the three sub-regions was not different at the phylum and genus level, but the levels of these dominant bacteria were different among the sub-regions. There was a correlation between grape epidermal bacteria and climatic factors. Approximately 93% of the bacterial genera on the grape epidermal genera in the three sub-regions are present in the winery environment and contain all the dominant bacterial genera on the epidermis.
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Affiliation(s)
- Hui Yang
- School of Life Sciences, Ningxia University, Yinchuan 750021, China; (H.Y.); (Z.Z.)
- Institute of Medical Sciences, Ningxia Medical University, Yinchuan 750004, China
| | - Zheng Wang
- School of Wine & Horticulture, Ningxia University, Yinchuan 750021, China; (Z.W.); (C.S.); (J.Z.); (Y.L.)
| | - Zhong Zhang
- School of Life Sciences, Ningxia University, Yinchuan 750021, China; (H.Y.); (Z.Z.)
| | - Chao Shu
- School of Wine & Horticulture, Ningxia University, Yinchuan 750021, China; (Z.W.); (C.S.); (J.Z.); (Y.L.)
| | - Jiaqi Zhu
- School of Wine & Horticulture, Ningxia University, Yinchuan 750021, China; (Z.W.); (C.S.); (J.Z.); (Y.L.)
| | - Ying Li
- School of Wine & Horticulture, Ningxia University, Yinchuan 750021, China; (Z.W.); (C.S.); (J.Z.); (Y.L.)
| | - Junxiang Zhang
- School of Life Sciences, Ningxia University, Yinchuan 750021, China; (H.Y.); (Z.Z.)
- School of Wine & Horticulture, Ningxia University, Yinchuan 750021, China; (Z.W.); (C.S.); (J.Z.); (Y.L.)
- Engineering Research Center of Grape and Wine, Ministry of Education, Yinchuan 750021, China
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13
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Daranas N, Badosa E, Montesinos E, Bonaterra A. Colonization and population dynamics of total, viable, and culturable cells of two biological control strains applied to apricot, peach, and grapevine crops. Front Microbiol 2024; 14:1324965. [PMID: 38249452 PMCID: PMC10797078 DOI: 10.3389/fmicb.2023.1324965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 12/07/2023] [Indexed: 01/23/2024] Open
Abstract
The ecological fitness of the biological control strains Bacillus velezensis A17 and Lactiplantibacillus plantarum PM411 was evaluated in different crops, geographical zones, and growing seasons. Both strains (2 g L-1 of dried formulation) were spray-inoculated on apricot trees, peach trees, and grapevines. Depending on the crop, flowers, fruits, and leaves were picked at several sampling time points. The population dynamics of viable, viable but non-culturable, and dead cells were studied by comparing viability qPCR (v-qPCR), qPCR, and plate counting estimations. A17 showed high survival rates in apricot, peach, and grapevine organs. The A17 viability was confirmed since qPCR and v-qPCR estimations did not significantly differ and were rather constant after field applications. However, higher population levels were estimated by plate counting due to the non-selective characteristics of the medium used. The viability of PM411 was constrained by plant organ, crop, and climate conditions, being higher in apricot than in grapevine. PM411 survival declined after field application, indicating difficulties in its establishment. The PM411 population level was made up of dead, culturable, and viable but non-culturable cells since significant differences between the three methods were observed. In conclusion, A17 and PM411 differ strongly in their survival in grapevine, peach, and apricot.
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Affiliation(s)
| | | | | | - Anna Bonaterra
- Institute of Food and Agricultural Technology-CIDSAV, University of Girona, Girona, Spain
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14
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Tzamourani AP, Taliadouros V, Paraskevopoulos I, Dimopoulou M. Developing a novel selection method for alcoholic fermentation starters by exploring wine yeast microbiota from Greece. Front Microbiol 2023; 14:1301325. [PMID: 38179455 PMCID: PMC10765506 DOI: 10.3389/fmicb.2023.1301325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 12/05/2023] [Indexed: 01/06/2024] Open
Abstract
The selection of native yeast for alcoholic fermentation in wine focuses on ensuring the success of the process and promoting the quality of the final product. The purpose of this study was firstly to create a large collection of new yeast isolates and categorize them based on their oenological potential. Additionally, the geographical distribution of the most dominant species, Saccharomyces cerevisiae, was further explored. Towards this direction, fourteen spontaneously fermented wines from different regions of Greece were collected for yeast typing. The yeast isolates were subjected in molecular analyses and identification at species level. RAPD (Random Amplified Polymorphic DNA) genomic fingerprinting with the oligo-nucleotide primer M13 was used, combined with Matrix Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry (MALDI-TOF MS) technique. All yeast isolates were scrutinized for their sensitivity to killer toxin, production of non-desirable metabolites such as acetic acid and H2S, β-glucosidase production and resistance to the antimicrobial agent; SO2. In parallel, S. cerevisiae isolates were typed at strain level by interdelta - PCR genomic fingerprinting. S. cerevisiae strains were examined for their fermentative capacity in laboratory scale fermentation on pasteurized grape must. Glucose and fructose consumption was monitored daily and at the final point a free sorting task was conducted to categorize the samples according to their organoleptic profile. According to our results, among the 190 isolates, S. cerevisiae was the most dominant species while some less common non-Saccharomyces species such as Trigonopsis californica, Priceomyces carsonii, Zygosaccharomyces bailii, Brettanomyces bruxellensis and Pichia manshurica were identified in minor abundancies. According to phenotypic typing, most isolates were neutral to killer toxin test and exhibited low acetic acid production. Hierarchical Cluster Analysis revealed the presence of four yeast groups based on phenotypic fingerprinting. Strain level typing reported 20 different S. cerevisiae strains from which 65% indicated fermentative capacity and led to dry wines. Sensory evaluation results clearly discriminated the produced wines and consequently, the proposed yeast categorization was confirmed. A novel approach that employs biostatistical tools for a rapid screening and classification of indigenous wine yeasts with oenological potential, allowing a more efficient preliminary selection or rejection of isolates is proposed.
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Affiliation(s)
- Aikaterini P. Tzamourani
- Department of Wine, Vine and Beverage Sciences, School of Food Science, University of West Attica, Athens, Greece
| | - Vasileios Taliadouros
- Department of Statistics and Insurance Science, University of Piraeus, Piraeus, Greece
| | - Ioannis Paraskevopoulos
- Department of Wine, Vine and Beverage Sciences, School of Food Science, University of West Attica, Athens, Greece
| | - Maria Dimopoulou
- Department of Wine, Vine and Beverage Sciences, School of Food Science, University of West Attica, Athens, Greece
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15
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Martins V, Szakiel A, Teixeira A, Abdallah C, Moreira C, Pączkowski C, Lanoue A, Gerós H. Combined omics approaches expose metabolite-microbiota correlations in grape berries of three cultivars of Douro wine region. Food Chem 2023; 429:136859. [PMID: 37463536 DOI: 10.1016/j.foodchem.2023.136859] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 07/04/2023] [Accepted: 07/10/2023] [Indexed: 07/20/2023]
Abstract
This study hypothesized the existence of cultivar-associated correlations between grape berry metabolites and its microbial residents, in Douro wine region. Integrated metabolomics with metabarcoding showed that the microbial biodiversity is not associated to berry sugar concentration, but closely connected to the profile of amino acids, flavonoids and wax compounds, which drove cultivar differentiation together with the prevalence of pathogenic fungi, yeasts and bacteria, mainly Dothideomycetes and Gammaproteobacteria. Over 7000 metabolite-microbiota correlations with ρ >|0.99| exposed a core of 15 metabolites linked to 11 microbial taxa. Serine, oxalate, cyanidin-3-O-glucoside, petunidin-3-O-glucoside, gallic acid, germanicol, sitosterol and erythrodiol correlated negatively to the abundance of most taxa, including Alternaria, Aureobasidium, Pseudopithomyces, Pseudomonas and Sphingomonas. In contrast, phenylalanine, asparagine, alanine, (epi)gallocatechin and procyanidin gallate mediated positive metabolite-OTU correlations. E. necator and A. carbonarius correlated negatively with stigmasterol and amyrin. Complex fungi-bacteria relationships ruled by Dothideomycetes and Alphaproteobacteria further suggest tight host-microbe interactions at the carposphere.
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Affiliation(s)
- Viviana Martins
- Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, Braga, Portugal.
| | - Anna Szakiel
- Department of Plant Biochemistry, Faculty of Biology, University of Warsaw, ul. Miecznikowa 1, 02-096 Warsaw, Poland.
| | - António Teixeira
- Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, Braga, Portugal.
| | - Cécile Abdallah
- EA 2106 Biomolécules et Biotechnologie Végétales, UFR des Sciences Pharmaceutiques, Université de Tours, Tours, France.
| | - Carolina Moreira
- Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, Braga, Portugal.
| | - Cezary Pączkowski
- Department of Plant Biochemistry, Faculty of Biology, University of Warsaw, ul. Miecznikowa 1, 02-096 Warsaw, Poland.
| | - Arnaud Lanoue
- EA 2106 Biomolécules et Biotechnologie Végétales, UFR des Sciences Pharmaceutiques, Université de Tours, Tours, France.
| | - Hernâni Gerós
- Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, Braga, Portugal.
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16
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Binati RL, Maule M, Luzzini G, Martelli F, Felis GE, Ugliano M, Torriani S. From bioprotective effects to diversification of wine aroma: Expanding the knowledge on Metschnikowia pulcherrima oenological potential. Food Res Int 2023; 174:113550. [PMID: 37986429 DOI: 10.1016/j.foodres.2023.113550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/26/2023] [Accepted: 10/01/2023] [Indexed: 11/22/2023]
Abstract
Microbial diseases are of major concern in vitiviniculture as they cause grape losses and wine alterations, but the prevention with chemical substances represents a risk to human health and agricultural ecosystem. A promising alternative is the biocontrol and bioprotection activity of non-Saccharomyces yeasts, such as Metschnikowia pulcherrima, which also presents positive oenological traits when used in multistarter fermentations. The aim of this study was to assess the impact of a selected M. pulcherrima strain in the post-harvest withering and vinification of Garganega grapes to produce the sweet 'passito' wine Recioto di Gambellara DOCG (Italy). M. pulcherrima was firstly inoculated on grape at the beginning of the withering process, and afterwards in must for multistarter sequential microfermentation trials with Saccharomyces cerevisiae. Microbiological, chemical, and sensory analyses were carried out to monitor the vinification of treated and control grapes. Grape bunches during withering were a suitable environment for the colonization by M. pulcherrima, which effectively prevented growth of molds. Differences in grape must composition were observed, and the diverse inoculation strategies caused noticeable variations of fermentation kinetics, main oenological parameters, wine aroma profile, and sensory perception. M. pulcherrima proved effective to protect grapes against fungal infections during withering and contribute to alcoholic fermentation generating wine with distinguished aromatic characteristics.
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Affiliation(s)
- Renato L Binati
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, Ca' Vignal 2, 37134 Verona, VR, Italy
| | - Marzia Maule
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, Ca' Vignal 2, 37134 Verona, VR, Italy
| | - Giovanni Luzzini
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, Ca' Vignal 2, 37134 Verona, VR, Italy
| | - Francesco Martelli
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, Ca' Vignal 2, 37134 Verona, VR, Italy
| | - Giovanna E Felis
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, Ca' Vignal 2, 37134 Verona, VR, Italy; VUCC-DBT, Verona University Culture Collection - Department of Biotechnology, University of Verona, Strada Le Grazie 15, Ca' Vignal 2, 37134 Verona, VR, Italy
| | - Maurizio Ugliano
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, Ca' Vignal 2, 37134 Verona, VR, Italy
| | - Sandra Torriani
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, Ca' Vignal 2, 37134 Verona, VR, Italy.
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17
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Rodríguez Madrera R, Pando Bedriñana R. The Phenolic Composition, Antioxidant Activity and Microflora of Wild Elderberry in Asturias (Northern Spain): An Untapped Resource of Great Interest. Antioxidants (Basel) 2023; 12:1986. [PMID: 38001839 PMCID: PMC10669248 DOI: 10.3390/antiox12111986] [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: 10/17/2023] [Revised: 11/02/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
The objective of this study is the characterization of the phenolic profile and antioxidant activity of elderberries (Sambucus nigra L.) from a collection of 79 wild specimens in northern Spain to assess variations in the species at the local level and evaluate its interest as a source of biocompounds. Also, a first study was carried out on the microflora present in this fruit, providing information relevant to its commercial exploitation. Moreover, the phenolic composition, antioxidant capacity and microbial composition in overripe fruits were determined, seeking a better use for this currently wasted resource. A wide variability in levels of phenolics was detected. Elderberries showed high antioxidant activity related to a high cyanidin derivative content, making them of interest to industry. Microflorae were present in very variable concentration ranges, so their levels should be monitored in those applications that require strict control. Overripe fruits are of interest as a source of anthocyanidins, since their concentration and antioxidant capacity remain after the optimal ripening period, promoting sustainability and a better use of natural resources. The database generated is of particular interest for further breeding trials based on the phenolic profile and antioxidant activity of the samples.
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Affiliation(s)
- Roberto Rodríguez Madrera
- Área de Tecnología de los Alimentos, Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), E-33300 Villaviciosa, Spain;
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18
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Papadopoulou E, Bekris F, Vasileiadis S, Krokida A, Rouvali T, Veskoukis AS, Liadaki K, Kouretas D, Karpouzas DG. Vineyard-mediated factors are still operative in spontaneous and commercial fermentations shaping the vinification microbial community and affecting the antioxidant and anticancer properties of wines. Food Res Int 2023; 173:113359. [PMID: 37803700 DOI: 10.1016/j.foodres.2023.113359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/27/2023] [Accepted: 08/03/2023] [Indexed: 10/08/2023]
Abstract
The grapevine and vinification microbiota have a strong influence on the characteristics of the produced wine. Currently we have a good understanding of the role of vineyard-associated factors, like cultivar, vintage and terroir in shaping the grapevine microbiota. Notwithstanding, their endurance along the vinification process remains unknown. Thus, the main objective of our study was to determine how these factors influence (a) microbial succession during fermentation (i.e., bacterial and fungal) and (b) the antioxidant, antimutagenic and anticancer potential of the produced wines. These were evaluated under different vinification strategies (i.e., spontaneous V1, spontaneous with preservatives V2, commercial V3), employed at near full-scale level by local wineries, for two cultivars (Roditis and Sideritis), two terroir types, and two vintages. Cultivar and vintage were strong and persistent determinants of the vinification microbiota, unlike terroir whose effect became weaker from the vineyard, and early fermentation stages, where non-Saccharomyces yeasts, filamentous fungi (i.e., Aureobasidium, Cladosporium, Lachancea, Alternaria, Aspergillus, Torulaspora) and acetic acid bacteria (AAB) (Gluconobacter, Acetobacter, Komagataeibacter) dominated, to late fermentation stages where Saccharomyces and Oenococcus become prevalent. Besides vineyard-mediated factors, the vinification process employed was the strongest determinant of the fungal community compared to the bacterial community were effects varied per cultivar. Vintage and vinification type were the strongest determinants of the antioxidant, antimutagenic and anticancer potential of the produced wines. Further analysis identified significant positive correlations between members of the vinification microbiota like the yeasts Torulaspora debrueckii and Lachancea quebecensis with the anticancer and the antioxidant properties of wines in both cultivars. These findings could be exploited towards a microbiota-modulated vinification process to produce high-quality wines with desirable properties and enhanced regional identity.
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Affiliation(s)
- Elena Papadopoulou
- University of Thessaly, Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, 41500 Viopolis - Larissa, Greece
| | - Fotiοs Bekris
- University of Thessaly, Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, 41500 Viopolis - Larissa, Greece
| | - Sotirios Vasileiadis
- University of Thessaly, Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, 41500 Viopolis - Larissa, Greece
| | | | | | - Aristidis S Veskoukis
- University of Thessaly, Department of Nutrition and Dietetics, 42132 Trikala, Greece
| | - Kalliopi Liadaki
- University of Thessaly, Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, 41500 Viopolis - Larissa, Greece
| | - Demetrios Kouretas
- University of Thessaly, Department of Biochemistry and Biotechnology, Laboratory of Animal Physiology, 41500 Viopolis - Larissa, Greece
| | - Dimitrios G Karpouzas
- University of Thessaly, Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, 41500 Viopolis - Larissa, Greece.
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19
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López-Enríquez L, Vila-Crespo J, Rodríguez-Nogales JM, Fernández-Fernández E, Ruipérez V. Non- Saccharomyces Yeasts from Organic Vineyards as Spontaneous Fermentation Agents. Foods 2023; 12:3644. [PMID: 37835297 PMCID: PMC10572797 DOI: 10.3390/foods12193644] [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: 09/08/2023] [Revised: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
Currently, non-Saccharomyces yeasts are the subject of interest, among other things, for their contribution to the aromatic complexity of wines. In this study, the characterisation of non-Saccharomyces yeasts was addressed by their isolation during spontaneous fermentations of organic Verdejo grapes, obtaining a total of 484 isolates, of which 11% were identified by molecular techniques as non-Saccharomyces yeasts. Fermentative isolates belonging to the species Hanseniaspora meyeri, Hanseniaspora osmophila, Pichia guilliermondii, Pichia kudriavzevii, Torulaspora delbrueckii, and Wickerhamomyces anomalus were analysed. Significant differences were found in the yeast populations established at the different fermentation stages. Interestingly, W. anomalus stood up as a widely distributed species in vineyards, vintages, and fermentation stages. Several of the strains studied stood out for their biotechnological potential in the production of Verdejo wine, showing the presence of relevant enzymatic activity for the release of varietal aromas and the technological improvement of the winemaking process. Three enzymatic activities were found in an important number of isolates, β-glucosidase, protease, and β-lyase, implicated in the positive aromatic impact on this style of white wine. In that sense, all the isolates of W. anomalus presented those activities. T. delbrueckii isolates were highlighted for their significant β-lyase activity. In addition, T. delbrueckii was outlined because of its potential to achieve an elevated fermenting power, as well as the lack of lag phase. The results obtained highlight the importance of maintaining the microbial diversity that contributes to the production of wines with unique and distinctive characteristics of the production region.
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Affiliation(s)
- Lorena López-Enríquez
- Microbiology Department, Higher Technical School of Agrarian Engineering of Palencia, University of Valladolid, Av. Madrid 50, 34004 Palencia, Spain; (L.L.-E.); (J.V.-C.)
| | - Josefina Vila-Crespo
- Microbiology Department, Higher Technical School of Agrarian Engineering of Palencia, University of Valladolid, Av. Madrid 50, 34004 Palencia, Spain; (L.L.-E.); (J.V.-C.)
| | - José Manuel Rodríguez-Nogales
- Food Technology Department, Higher Technical School of Agrarian Engineering of Palencia, University of Valladolid, Av. Madrid 50, 34004 Palencia, Spain; (J.M.R.-N.); (E.F.-F.)
| | - Encarnación Fernández-Fernández
- Food Technology Department, Higher Technical School of Agrarian Engineering of Palencia, University of Valladolid, Av. Madrid 50, 34004 Palencia, Spain; (J.M.R.-N.); (E.F.-F.)
| | - Violeta Ruipérez
- Microbiology Department, Higher Technical School of Agrarian Engineering of Palencia, University of Valladolid, Av. Madrid 50, 34004 Palencia, Spain; (L.L.-E.); (J.V.-C.)
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20
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Lax S, Gore J. Strong ethanol- and frequency-dependent ecological interactions in a community of wine-fermenting yeasts. Commun Biol 2023; 6:939. [PMID: 37704781 PMCID: PMC10499898 DOI: 10.1038/s42003-023-05284-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 08/24/2023] [Indexed: 09/15/2023] Open
Abstract
Natural wine fermentation depends on a complex consortium of native microorganisms rather than inoculation of industrial yeast strains. While this diversity of yeasts can result in an increased repertoire of wine flavors and aromas, it can also result in the inhibition of Saccharomyces cerevisiae, which is uniquely able to complete fermentation. Understanding how yeast species interact with each other within the wine-fermenting community and disentangling ecological interactions from environmental impacts on growth rates, is key to developing synthetic communities that can provide the sensory benefits of natural fermentation while lowering the risk of stuck ferments. Here, we co-culture all pairwise combinations of five commonly isolated wine-fermenting yeasts and show that competitive outcomes are a strong function of ethanol concentration, with frequency-dependent bistable interactions common at low alcohol and an increasingly transitive competitive hierarchy developing as alcohol increases. We also show that pairwise outcomes are predictive of five-species community outcomes, and that frequency dependence in pairwise interactions propagates to alternative states in the full community, highlighting the importance of species abundance as well as composition. We also observe that monoculture growth rates are only weakly predictive of competitive success, highlighting the need to incorporate ecological interactions when designing synthetic fermenting communities.
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Affiliation(s)
- Simon Lax
- Physics of Living Systems, Department of Physics, MIT, 400 Technology Square, NE46-609, Cambridge, MA, 02139, USA.
| | - Jeff Gore
- Physics of Living Systems, Department of Physics, MIT, 400 Technology Square, NE46-609, Cambridge, MA, 02139, USA.
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21
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James A, Yao T, Ke H, Wang Y. Microbiota for production of wine with enhanced functional components. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2023.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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22
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Ge X, Wang J, Wang X, Liu Y, Dang C, Suo R, Sun J. Evaluation of Indigenous Yeasts Screened from Chinese Vineyards as Potential Starters for Improving Wine Aroma. Foods 2023; 12:3073. [PMID: 37628071 PMCID: PMC10453611 DOI: 10.3390/foods12163073] [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: 06/28/2023] [Revised: 08/05/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Exploitation of the biodiversity of native wine yeast is a means of modifying the sensory characteristics of wine. Samples from different regions in China were analysed to screen native isolates as potential starter cultures. Through morphological and molecular biological analyses, we found six species, belonging to four genera (Hanseniaspora, Saccharomyces, Rhodotorula and Metschnikowia). These species were subjected to stress tolerance assays (ethanol, glucose, SO2 and pH), enzymatic activity tests (sulphite reductase activity, β-glucosidase activity and protease activity) and fermentation tests. Saccharomyces cerevisiae showed a high tolerance to ethanol and completed fermentation independently. Hanseniaspora demonstrated good enzymatic activity and completed sequential fermentation. The fermentation experiment showed that the PCT4 strain had the best aroma complexity. This study provides a reference for selecting new starters from the perspective of flavour enzymes and tolerance and diversifying the sensory quality of wines from the region.
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Affiliation(s)
- Xiaoxin Ge
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071000, China; (X.G.)
| | - Jie Wang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071000, China; (X.G.)
- Hebei Technology Innovation Center of Agricultural Products Processing, Baoding 071001, China
| | - Xiaodi Wang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071000, China; (X.G.)
| | - Yaqiong Liu
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071000, China; (X.G.)
- Hebei Technology Innovation Center of Agricultural Products Processing, Baoding 071001, China
| | - Chao Dang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071000, China; (X.G.)
- Hebei Technology Innovation Center of Agricultural Products Processing, Baoding 071001, China
| | - Ran Suo
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071000, China; (X.G.)
- Hebei Technology Innovation Center of Agricultural Products Processing, Baoding 071001, China
| | - Jianfeng Sun
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071000, China; (X.G.)
- Hebei Technology Innovation Center of Agricultural Products Processing, Baoding 071001, China
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23
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Serafino G, Di Gianvito P, Giacosa S, Škrab D, Cocolin L, Englezos V, Rantsiou K. Survey of the yeast ecology of dehydrated grapes and strain selection for wine fermentation. Food Res Int 2023; 170:113005. [PMID: 37316074 DOI: 10.1016/j.foodres.2023.113005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 06/16/2023]
Abstract
In this study we investigated the yeast population present on partially dehydrated Nebbiolo grapes destined for 'Sforzato di Valtellina', with the aim to select indigenous starters suitable for the production of this wine. Yeasts were enumerated, isolated, and identified by molecular methods (5.8S-ITS-RFLP and D1/D2 domain sequencing). A genetic, physiological (ethanol and sulphur dioxide tolerance, potentially useful enzymatic activities, hydrogen sulphide production, adhesive properties, and killer activity) and oenological (laboratory pure micro-fermentations) characterization was also carried out. Based on relevant physiological features, seven non-Saccharomyces strains were chosen for laboratory-scale fermentations, either in pure or in mixed-culture (simultaneous and sequential inoculum) with a commercial Saccharomyces cerevisiae strain. Finally, the best couples and inoculation strategy were further tested in mixed fermentations in winery. In both laboratory and winery, microbiological and chemical analyses were conducted during fermentation. The most abundant species on grapes were Hanseniaspora uvarum (27.4 % of the isolates), followed by Metschnikowia spp. (21.0 %) and Starmerella bacillaris (12.9 %). Technological characterization highlighted several inter- and intra-species differences. The best oenological aptitude was highlighted for species Starm. bacillaris, Metschnikowia spp., Pichia kluyveri and Zygosaccharomyces bailli. The best fermentation performances in laboratory-scale fermentations were found for Starm. bacillaris and P. kluyveri, due to their ability to reduce ethanol (-0.34 % v/v) and enhance glycerol production (+0.46 g/L). This behavior was further confirmed in winery. Results of this study contribute to the knowledge of yeast communities associated with a specific environment, like those of Valtellina wine region.
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Affiliation(s)
- Gabriele Serafino
- Università degli Studi di Torino, Dipartimento di Scienze Agrarie, Forestali e Alimentari, Largo Braccini 2, 10095 Grugliasco, Italy
| | - Paola Di Gianvito
- Università degli Studi di Torino, Dipartimento di Scienze Agrarie, Forestali e Alimentari, Largo Braccini 2, 10095 Grugliasco, Italy
| | - Simone Giacosa
- Università degli Studi di Torino, Dipartimento di Scienze Agrarie, Forestali e Alimentari, Largo Braccini 2, 10095 Grugliasco, Italy
| | - Domen Škrab
- Università degli Studi di Torino, Dipartimento di Scienze Agrarie, Forestali e Alimentari, Largo Braccini 2, 10095 Grugliasco, Italy
| | - Luca Cocolin
- Università degli Studi di Torino, Dipartimento di Scienze Agrarie, Forestali e Alimentari, Largo Braccini 2, 10095 Grugliasco, Italy
| | - Vasileios Englezos
- Università degli Studi di Torino, Dipartimento di Scienze Agrarie, Forestali e Alimentari, Largo Braccini 2, 10095 Grugliasco, Italy.
| | - Kalliopi Rantsiou
- Università degli Studi di Torino, Dipartimento di Scienze Agrarie, Forestali e Alimentari, Largo Braccini 2, 10095 Grugliasco, Italy
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24
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Pulcini L, Bona E, Vaudano ET, Tsolakis C, Garcia-Moruno E, Costantini A, Gamalero E. The Impact of a Commercial Biostimulant on the Grape Mycobiota of Vitis vinifera cv. Barbera. Microorganisms 2023; 11:1873. [PMID: 37630432 PMCID: PMC10457965 DOI: 10.3390/microorganisms11081873] [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: 06/01/2023] [Revised: 07/22/2023] [Accepted: 07/23/2023] [Indexed: 08/27/2023] Open
Abstract
Reducing the use of fungicides, insecticides, and herbicides in order to limit environmental pollution and health risks for agricultural operators and consumers is one of the goals of European regulations. In fact, the European Commission developed a package of measures (the European Green Deal) to promote the sustainable use of natural resources and strengthen the resilience of European agri-food systems. As a consequence, new plant protection products, such as biostimulants, have been proposed as alternatives to agrochemicals. Their application in agroecosystems could potentially open new scenarios regarding the microbiota. In particular, the vineyard microbiota and the microbiota on the grape surface can be affected by biostimulants and lead to different wine features. The aim of this work was to assess the occurrence of a possible variation in the mycobiota due to the biostimulant application. Therefore, our attention has been focused on the yeast community of grape bunches from vines subjected to the phytostimulant BION®50WG treatment. This work was carried out in the CREA-VE experimental vineyard of Vitis vinifera cv. Barbera in Asti (Piedmont, Italy). The composition of fungal communities on grapes from three experimental conditions such as IPM (integrated pest management), IPM+BION®50WG, and IPM+water foliar nebulization was compared by a metabarcoding approach. Our results revealed the magnitude of alpha and beta diversity, and the microbial biodiversity index and specific fungal signatures were highlighted by comparing the abundance of yeast and filamentous fungi in IPM and BION®50WG treatments. No significant differences in the mycobiota of grapevines subjected to the three treatments were detected.
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Affiliation(s)
- Laura Pulcini
- Consiglio per la Ricerca e l’analisi dell’Economia Agraria—Centro di Ricerca Viticoltura ed Enologia (CREA-VE), Via P. Micca 35, 14100 Asti, Italy; (E.T.V.); (C.T.); (E.G.-M.)
- Dipartimento di Scienze e Innovazione Tecnologica (DISIT), Università del Piemonte Orientale, Viale T. Michel 11, 15121 Alessandria, Italy;
| | - Elisa Bona
- Dipartimento per lo Sviluppo Sostenibile e la Transizione Ecologica (DISSTE), Università del Piemonte Orientale, Piazza San Eusebio 5, 13100 Vercelli, Italy;
| | - Enrico Tommaso Vaudano
- Consiglio per la Ricerca e l’analisi dell’Economia Agraria—Centro di Ricerca Viticoltura ed Enologia (CREA-VE), Via P. Micca 35, 14100 Asti, Italy; (E.T.V.); (C.T.); (E.G.-M.)
| | - Christos Tsolakis
- Consiglio per la Ricerca e l’analisi dell’Economia Agraria—Centro di Ricerca Viticoltura ed Enologia (CREA-VE), Via P. Micca 35, 14100 Asti, Italy; (E.T.V.); (C.T.); (E.G.-M.)
| | - Emilia Garcia-Moruno
- Consiglio per la Ricerca e l’analisi dell’Economia Agraria—Centro di Ricerca Viticoltura ed Enologia (CREA-VE), Via P. Micca 35, 14100 Asti, Italy; (E.T.V.); (C.T.); (E.G.-M.)
| | - Antonella Costantini
- Consiglio per la Ricerca e l’analisi dell’Economia Agraria—Centro di Ricerca Viticoltura ed Enologia (CREA-VE), Via P. Micca 35, 14100 Asti, Italy; (E.T.V.); (C.T.); (E.G.-M.)
| | - Elisa Gamalero
- Dipartimento di Scienze e Innovazione Tecnologica (DISIT), Università del Piemonte Orientale, Viale T. Michel 11, 15121 Alessandria, Italy;
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25
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Watanabe D, Hashimoto W. Adaptation of yeast Saccharomyces cerevisiae to grape-skin environment. Sci Rep 2023; 13:9279. [PMID: 37340058 DOI: 10.1038/s41598-023-35734-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/23/2023] [Indexed: 06/22/2023] Open
Abstract
Saccharomyces cerevisiae, an essential player in alcoholic fermentation during winemaking, is rarely found in intact grapes. Although grape-skin environment is unsuitable for S. cerevisiae's stable residence, Saccharomycetaceae-family fermentative yeasts can increase population on grape berries after colonization during raisin production. Here, we addressed adaptation of S. cerevisiae to grape-skin ecosystem. The yeast-like fungus Aureobasidium pullulans, a major grape-skin resident, exhibited broad spectrum assimilation of plant-derived carbon sources, including ω-hydroxy fatty acid, arising from degradation of plant cuticles. In fact, A. pullulans encoded and secreted possible cutinase-like esterase for cuticle degradation. When intact grape berries were used as a sole carbon source, such grape-skin associated fungi increased the accessibility to fermentable sugars by degrading and assimilating the plant cell wall and cuticle compounds. Their ability seems also helpful for S. cerevisiae to obtain energy through alcoholic fermentation. Thus, degradation and utilization of grape-skin materials by resident microbiota may account for their residence on grape-skin and S. cerevisiae's possible commensal behaviors. Conclusively, this study focused on the symbiosis between grape-skin microbiota and S. cerevisiae from the perspective of winemaking origin. Such plant-microbe symbiotic interaction may be a prerequisite for triggering spontaneous food fermentation.
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Affiliation(s)
- Daisuke Watanabe
- Laboratory of Basic and Applied Molecular Biotechnology, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji, Kyoto, Japan
- Laboratory of Applied Stress Microbiology, Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Nara, Japan
| | - Wataru Hashimoto
- Laboratory of Basic and Applied Molecular Biotechnology, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji, Kyoto, Japan.
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26
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Fazio NA, Russo N, Foti P, Pino A, Caggia C, Randazzo CL. Inside Current Winemaking Challenges: Exploiting the Potential of Conventional and Unconventional Yeasts. Microorganisms 2023; 11:1338. [PMID: 37317312 DOI: 10.3390/microorganisms11051338] [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: 03/28/2023] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 06/16/2023] Open
Abstract
Wine represents a complex matrix in which microbial interactions can strongly impact the quality of the final product. Numerous studies have focused on optimizing microbial approaches for addressing new challenges to enhance quality, typicity, and food safety. However, few studies have investigated yeasts of different genera as resources for obtaining wines with new, specific traits. Currently, based on the continuous changes in consumer demand, yeast selection within conventional Saccharomyces cerevisiae and unconventional non-Saccharomyces yeasts represents a suitable opportunity. Wine fermentation driven by indigenous yeasts, in the various stages, has achieved promising results in producing wines with desired characteristics, such as a reduced content of ethanol, SO2, and toxins, as well as an increased aromatic complexity. Therefore, the increasing interest in organic, biodynamic, natural, or clean wine represents a new challenge for the wine sector. This review aims at exploring the main features of different oenological yeasts to obtain wines reflecting the needs of current consumers in a sustainability context, providing an overview, and pointing out the role of microorganisms as valuable sources and biological approaches to explore potential and future research opportunities.
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Affiliation(s)
- Nunzio A Fazio
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
| | - Nunziatina Russo
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
- ProBioEtna Srl, Spin off University of Catania, Via S. Sofia 100, 95123 Catania, Italy
| | - Paola Foti
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
| | - Alessandra Pino
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
- ProBioEtna Srl, Spin off University of Catania, Via S. Sofia 100, 95123 Catania, Italy
| | - Cinzia Caggia
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
- ProBioEtna Srl, Spin off University of Catania, Via S. Sofia 100, 95123 Catania, Italy
| | - Cinzia L Randazzo
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
- ProBioEtna Srl, Spin off University of Catania, Via S. Sofia 100, 95123 Catania, Italy
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27
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Ding Y, Wei R, Wang L, Wang W, Wang H, Li H. Exploring the ecological characteristics of natural microbial communities along the continuum from grape berries to winemaking. Food Res Int 2023; 167:112718. [PMID: 37087276 DOI: 10.1016/j.foodres.2023.112718] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/02/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023]
Abstract
Under natural conditions, a complex and dynamic microbial ecosystem exists on the grape epidermis, which plays an important role in safeguarding grape health and facilitating the conversion of grapes into wine. However, current viticulture and vinification are flooded with excessive chemical additives and commercial ferments, leading to a reduction in microbial diversity, affecting the ecological balance of the natural microbiota and masking the wine terroir. This experiment comprehensively explored the continuous changes in the natural microbiota from the Ecolly (Vitis vinifera L.) grape epidermis to spontaneous fermentation over two years. The results suggested that microbial community structure and composition were significantly influenced by vintage and growing stage, with fungal genera being more stable than bacterial genera during the growing season. The fungal genera Alternaria, Ascochyta, Gibberella and Dissoconium and the bacterial genera Pantoea, Sediminibacterium, Ralstonia and Sphingomonas were mainly present on the grape epidermis in both years. The natural microbial diversity decreased from grape growth to spontaneous fermentation, and the fermentation environment reshapes the community structure, composition and diversity of the wine microbial consortium. These findings provide insights to promote cultivation and fermentation management strategies, advocate natural terroir attributes for grapes and wines, and promote sustainable development of the wine industry.
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28
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Maicas S, Mateo JJ. The Life of Saccharomyces and Non- Saccharomyces Yeasts in Drinking Wine. Microorganisms 2023; 11:1178. [PMID: 37317152 PMCID: PMC10224428 DOI: 10.3390/microorganisms11051178] [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: 04/11/2023] [Revised: 04/25/2023] [Accepted: 04/26/2023] [Indexed: 06/16/2023] Open
Abstract
Drinking wine is a processed beverage that offers high nutritional and health benefits. It is produced from grape must, which undergoes fermentation by yeasts (and sometimes lactic acid bacteria) to create a product that is highly appreciated by consumers worldwide. However, if only one type of yeast, specifically Saccharomyces cerevisiae, was used in the fermentation process, the resulting wine would lack aroma and flavor and may be rejected by consumers. To produce wine with a desirable taste and aroma, non-Saccharomyces yeasts are necessary. These yeasts contribute volatile aromatic compounds that significantly impact the wine's final taste. They promote the release of primary aromatic compounds through a sequential hydrolysis mechanism involving several glycosidases unique to these yeasts. This review will discuss the unique characteristics of these yeasts (Schizosaccharomyces pombe, Pichia kluyveri, Torulaspora delbrueckii, Wickerhamomyces anomalus, Metschnikowia pulcherrima, Hanseniaspora vineae, Lachancea thermotolerans, Candida stellata, and others) and their impact on wine fermentations and co-fermentations. Their existence and the metabolites they produce enhance the complexity of wine flavor, resulting in a more enjoyable drinking experience.
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Affiliation(s)
- Sergi Maicas
- Departament de Microbiologia i Ecologia, Facultat de Ciències Biològiques, Universitat de València, 46100 Burjassot, Spain
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29
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Drakulovski P, Krasteva D, Bellet V, Randazzo S, Roger F, Pottier C, Bertout S. Exposure of Cryptococcus neoformans to Seven Commonly Used Agricultural Azole Fungicides Induces Resistance to Fluconazole as Well as Cross-Resistance to Voriconazole, Posaconazole, Itraconazole and Isavuconazole. Pathogens 2023; 12:pathogens12050662. [PMID: 37242332 DOI: 10.3390/pathogens12050662] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND Cross-resistance to medical azoles by exposure to azole pesticides is well documented for Aspergillus family fungi but is poorly evaluated for other environmental pathogen fungi, particularly for yeasts belonging to the Cryptococcus neoformans/Cryptococcus gattii species complexes. METHODS One thousand C. neoformans yeast were exposed to various concentrations of seven different commonly used azole pesticides. Clones surviving exposure were picked randomly, and their minimal inhibitory concentrations (MICs) of fluconazole, voriconazole, posaconazole, itraconazole and isavuconazole were assessed. RESULTS Depending on the pesticide used for exposure, up to 13.3% of selected Cryptococcus colonies showed a phenotype of resistance to fluconazole, and among them, several showed cross-resistance to another or several other medical azoles. Molecular mechanisms involved in the resistance setups seem to be dependent on ERG11 and AFR1 gene overexpression. CONCLUSION Exposure to any of the seven azole pesticides tested is capable of increasing the MIC of fluconazole in C. neoformans, including up to the level of the fluconazole-resistant phenotype, as well as generating cross-resistance to other medical azoles in some cases.
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Affiliation(s)
- Pascal Drakulovski
- Laboratoire de Parasitologie et Mycologie Médicale, UMI 233 TransVIHMI, University of Montpellier, IRD, INSERM U1175, 15 Avenue Charles Flahaut, 34093 Montpellier, France
| | - Donika Krasteva
- Laboratoire de Parasitologie et Mycologie Médicale, UMI 233 TransVIHMI, University of Montpellier, IRD, INSERM U1175, 15 Avenue Charles Flahaut, 34093 Montpellier, France
| | - Virginie Bellet
- Laboratoire de Parasitologie et Mycologie Médicale, UMI 233 TransVIHMI, University of Montpellier, IRD, INSERM U1175, 15 Avenue Charles Flahaut, 34093 Montpellier, France
| | - Sylvie Randazzo
- Laboratoire de Parasitologie et Mycologie Médicale, UMI 233 TransVIHMI, University of Montpellier, IRD, INSERM U1175, 15 Avenue Charles Flahaut, 34093 Montpellier, France
| | - Frédéric Roger
- Laboratoire de Parasitologie et Mycologie Médicale, UMI 233 TransVIHMI, University of Montpellier, IRD, INSERM U1175, 15 Avenue Charles Flahaut, 34093 Montpellier, France
| | - Cyrille Pottier
- Laboratoire de Parasitologie et Mycologie Médicale, UMI 233 TransVIHMI, University of Montpellier, IRD, INSERM U1175, 15 Avenue Charles Flahaut, 34093 Montpellier, France
| | - Sébastien Bertout
- Laboratoire de Parasitologie et Mycologie Médicale, UMI 233 TransVIHMI, University of Montpellier, IRD, INSERM U1175, 15 Avenue Charles Flahaut, 34093 Montpellier, France
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30
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Chen T, Wang H, Su W, Mu Y, Tian Y. Analysis of the formation mechanism of volatile and non-volatile flavor substances in corn wine fermentation based on high-throughput sequencing and metabolomics. Food Res Int 2023; 165:112350. [PMID: 36869445 DOI: 10.1016/j.foodres.2022.112350] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 12/19/2022] [Accepted: 12/23/2022] [Indexed: 12/26/2022]
Abstract
The purpose of this study was to reveal the relationship between core microorganisms and flavor substances in the fermentation process of corn wine. Microbial diversity, volatile and non-volatile flavor substances were detected by high-throughput sequencing (HTS), headspace solid phase micro-extraction gas chromatography-mass spectrometry (HS-SPME/GC-MS) and gas chromatography time of flight mass spectrometry (GC-TOF-MS). High performance liquid chromatography (HPLC) was used to detect organic acids in corn wine fermentation, and its physiochemical properties were tracked. The results showed that physiochemical factors changed obviously with fermentation time. Bacillus, Prevotella_9, Acinetobacter and Gluconobacter were the predominant bacterial. Rhizopus and Saccharomyces were the dominant fungi. Acetic acid and succinic acid were important organic acids in corn wine. According to variable importance of projection (VIP) > 1 and P < 0.05, 24 volatile flavor substances with significant difference were screened out from 52 volatile flavor substances. Similarly, 25 non-volatile flavor substances with significant differences were screened out from the 97 reliable metabolites identified by 223 chromatographic peaks. Eight key metabolic pathways were enriched from 25 non-volatile flavor substances according to path influence values > 0.1 and P < 0.05. Based on Two-way Orthogonal Partial Least Squares (O2PLS) model and Pearson correlation coefficient, Saccharomyces, Rhizopus, uncultured_bacterium, Aneurinibacillus, Wickerhamomyces and Gluconobacter may be the potential volatile flavor-contributing microorganism genus in corn wine. The Pearson correlation coefficient showed that Saccharomyces was significantly positively correlated with malic acid, oxalic acid, valine and isoleucine, and Rhizopus was positively correlated with glucose-1-phosphate and alanine. These findings enhanced our understanding of the formation mechanism of flavor substances in corn wine and provided the theoretical basis for stabilizing flavor quality of corn wine.
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Affiliation(s)
- Tianyan Chen
- College of Liquor and Food Engineering, Guizhou University, Guiyang, China
| | - Hanyu Wang
- College of Liquor and Food Engineering, Guizhou University, Guiyang, China
| | - Wei Su
- College of Liquor and Food Engineering, Guizhou University, Guiyang, China; Guizhou Key Laboratory for Storage and Processing of Agricultural and Animal Products, Guizhou University, Guiyang, China.
| | - Yingchun Mu
- College of Liquor and Food Engineering, Guizhou University, Guiyang, China
| | - Yexin Tian
- College of Liquor and Food Engineering, Guizhou University, Guiyang, China
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31
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Komarnytsky S, Wagner C, Gutierrez J, Shaw OM. Berries in Microbiome-Mediated Gastrointestinal, Metabolic, and Immune Health. Curr Nutr Rep 2023; 12:151-166. [PMID: 36738429 DOI: 10.1007/s13668-023-00449-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/12/2022] [Indexed: 02/05/2023]
Abstract
PURPOSE OF REVIEW Current research has shown that berry-derived polymeric substrates that resist human digestion (dietary fibers and polyphenols) are extensively metabolized in the gastrointestinal tract dominated by microbiota. This review assesses current epidemiological, experimental, and clinical evidence of how berry (strawberry, blueberry, raspberry, blackberry, cranberry, black currant, and grapes) phytochemicals interact with the microbiome and shape health or metabolic risk factor outcomes. RECENT FINDINGS There is a growing evidence that the compositional differences among complex carbohydrate fractions and classes of polyphenols define reversible shifts in microbial populations and human metabolome to promote gastrointestinal health. Interventions to prevent gastrointestinal inflammation and improve metabolic outcomes may be achieved with selection of berries that provide distinct polysaccharide substrates for selective multiplication of beneficial microbiota or oligomeric decoys for binding and elimination of the pathogens, as well as phenolic substrates that hold potential to modulate gastrointestinal mucins, reduce luminal oxygen, and release small phenolic metabolites signatures capable of ameliorating inflammatory and metabolic perturbations. These mechanisms may explain many of the differences in microbiota and host gastrointestinal responses associated with increased consumption of berries, and highlight potential opportunities to intentionally shift gut microbiome profiles or to modulate risk factors associated with better nutrition and health outcomes.
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Affiliation(s)
- Slavko Komarnytsky
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA.
- Department of Food, Bioprocessing, and Nutrition Sciences, North Carolina State University, 400 Dan Allen Drive, Raleigh, NC, 27695, USA.
| | - Charles Wagner
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA
| | - Janelle Gutierrez
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA
| | - Odette M Shaw
- Plant & Food Research, Private Bag 11600, Palmerston North, 4442, New Zealand
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Castrillo D, Blanco P, Vélez S. Can Satellite Remote Sensing Assist in the Characterization of Yeasts Related to Biogeographical Origin? SENSORS (BASEL, SWITZERLAND) 2023; 23:2059. [PMID: 36850656 PMCID: PMC9962804 DOI: 10.3390/s23042059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/01/2023] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
Biogeography is a key concept associated with microbial terroir, which is responsible for the differentiation and uniqueness of wines. One of the factors influencing this microbial terroir is the vegetation, which in turn is influenced by climate, soil, and cultural practices. Remote sensing instruments can provide useful information about vegetation. This study analyses the relationship between NDVI, calculated using Sentinel-2 and Landsat-8 satellite images of different veraison dates, and microbial data obtained in 2015 from 14 commercial (organic and conventional) vineyards belonging to four Designations of Origin (DOs) from Galicia (northwest Spain). Microbial populations in grapes and musts were identified using PCR techniques and confirmed by sequencing. Statistical analyses were made using PCA, CCA, TB-PLS, and correlation analyses. This study confirms that the NDVI is positively correlated with the diversity of yeasts, both in grapes' surface and must samples. Moreover, the results of this study show: (i) Sentinel-2 images, as well as Landsat-8 images, can establish differences in NDVI related to yeast terroir in grapes and musts, as it is the most relevant DO factor, (ii) Sentinel-2 NDVI and yeast biogeography are moderately to strongly correlated, (iii) Sentinel-2 achieved a better delimitation of the DOs than Landsat-8 and can establish more accurate differences in NDVI-yeast terroir correlations, and (iv) a higher NDVI was associated with the yeast biogeographical patterns of the DOs with higher species richness (S) consisting of weakly fermenting yeasts (Hanseniaspora uvarum, Pichia spp., Starmerella bacillaris, and Zygosaccharomyces spp). However, NDVI values did not correlate well with biogeographic patterns of yeasts previously studied at frequency level (proportion or percentage of each species) in each particular DO. This study suggests that satellite imagery has the potential to be a valuable tool for wine quality management and a decision-making instrument for DO regulators and winegrowers.
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Affiliation(s)
- David Castrillo
- Estación de Viticultura e Enoloxía de Galicia (EVEGA-AGACAL), Ponte San Clodio s/n, 32428 Leiro-Ourense, Spain
| | - Pilar Blanco
- Estación de Viticultura e Enoloxía de Galicia (EVEGA-AGACAL), Ponte San Clodio s/n, 32428 Leiro-Ourense, Spain
| | - Sergio Vélez
- Information Technology Group, Wageningen University & Research, 6708 Wageningen, The Netherlands
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Bordet F, Romanet R, Bahut F, Ballester J, Eicher C, Peña C, Ferreira V, Gougeon R, Julien-Ortiz A, Roullier-Gall C, Alexandre H. Expanding the diversity of Chardonnay aroma through the metabolic interactions of Saccharomyces cerevisiae cocultures. Front Microbiol 2023; 13:1032842. [PMID: 36845971 PMCID: PMC9947296 DOI: 10.3389/fmicb.2022.1032842] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 12/02/2022] [Indexed: 02/11/2023] Open
Abstract
Yeast co-inoculations in winemaking are often studied in the framework of modulating the aromatic profiles of wines. Our study aimed to investigate the impact of three cocultures and corresponding pure cultures of Saccharomyces cerevisiae on the chemical composition and the sensory profile of Chardonnay wine. Coculture makes it possible to obtain completely new aromatic expressions that do not exist in the original pure cultures attributed to yeast interactions. Esters, fatty acids and phenol families were identified as affected. The sensory profiles and metabolome of the cocultures, corresponding pure cultures and associated wine blends from both pure cultures were found to be different. The coculture did not turn out to be the addition of the two pure culture wines, indicating the impact of interaction. High resolution mass spectrometry revealed thousands of cocultures biomarkers. The metabolic pathways involved in these wine composition changes were highlighted, most of them belonging to nitrogen metabolism.
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Affiliation(s)
- Fanny Bordet
- PAM UMR A 02.102, Univ. Bourgogne Franche-Comté, Institut Agro Dijon, IUVV, Dijon, France,Lallemand SAS, Blagnac, France,*Correspondence: Fanny Bordet,
| | - Rémy Romanet
- PAM UMR A 02.102, Univ. Bourgogne Franche-Comté, Institut Agro Dijon, IUVV, Dijon, France
| | - Florian Bahut
- PAM UMR A 02.102, Univ. Bourgogne Franche-Comté, Institut Agro Dijon, IUVV, Dijon, France,Lallemand SAS, Blagnac, France
| | - Jordi Ballester
- Centre des Sciences du Goût et de l’Alimentation, CNRS, INRAE, Institut Agro, Université Bourgogne Franche-Comté, Dijon, France
| | - Camille Eicher
- PAM UMR A 02.102, Univ. Bourgogne Franche-Comté, Institut Agro Dijon, IUVV, Dijon, France
| | - Cristina Peña
- Dpt. Química Analítica, Facultad de Ciencias, University of Zaragoza, Zaragoza, Spain
| | - Vicente Ferreira
- Dpt. Química Analítica, Facultad de Ciencias, University of Zaragoza, Zaragoza, Spain
| | - Régis Gougeon
- PAM UMR A 02.102, Univ. Bourgogne Franche-Comté, Institut Agro Dijon, IUVV, Dijon, France,DIVVA (Développement Innovation Vigne Vin Aliments) Platform/PAM UMR, IUVV, Dijon, France
| | | | - Chloé Roullier-Gall
- PAM UMR A 02.102, Univ. Bourgogne Franche-Comté, Institut Agro Dijon, IUVV, Dijon, France
| | - Hervé Alexandre
- PAM UMR A 02.102, Univ. Bourgogne Franche-Comté, Institut Agro Dijon, IUVV, Dijon, France
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34
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Impact of Non-Saccharomyces Yeast Fermentation in Madeira Wine Chemical Composition. Processes (Basel) 2023. [DOI: 10.3390/pr11020482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Madeira wine is produced via spontaneous alcoholic fermentation arrested by ethanol addition. The increasing demand of the wine market has led to the need to standardize the winemaking process. This study focuses on identifying the microbiota of indigenous yeasts present during Madeira wine fermentation and then evaluates the impact of selected indigenous non-Saccharomyces as pure starter culture (Hanseniaspora uvarum, Starmerella bacillaris, Pichia terricola, Pichia fermentans, and Pichia kluyveri) in the chemical and phenolic characterization of Madeira wine production. Results showed that the polyphenol content of the wines was influenced by yeast species, with higher levels found in wines produced by Pichia spp. (ranging from 356.85 to 367.68 mg GAE/L in total polyphenols and 50.52 to 51.50 mg/L in total individual polyphenols through HPLC methods). Antioxidant potential was higher in wines produced with Hanseniaspora uvarum (133.60 mg Trolox/L) and Starmerella bacillaris (137.61 mg Trolox/L). Additionally, Starmerella bacillaris stands out due to its sugar consumption during fermentation (the totality of fructose and 43% of glucose) and 15.80 g/L of total organic acids compared to 9.23 g/L (on average) for the other yeasts. This knowledge can be advantageous to standardizing the winemaking process and increasing the bioactive compounds, resulting in the production of high-quality wines.
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35
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Characterization of Nero Antico di Pretalucente Wine and Grape Fungal Microbiota: An Expression of Abruzzo Region Cultivar Heritage. FERMENTATION 2023. [DOI: 10.3390/fermentation9020150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The aim of this study was to characterize the ampelographic and genetic profiles of Vitis vinifera L. cv. Nero Antico di Pretalucente and to describe the grape-borne fungal communities. The oenological characteristics and the aroma profile of wine obtained by spontaneous fermentation were also investigated. Microsatellite profiles and ampelographic traits indicated that this cultivar presented a unique profile, and therefore it can be considered a cultivar in its own right and autochthonous of Gessopalena village. Next-generation sequencing analysis revealed that Aureobasidium spp. was the main genus detected on grapes. At the species level, Aureobasidium pullulans was the main species, followed by Alternaria alternata. Wines were characterized by a final ethanol content of 12.75% (v/v), a pH of 3.4, a volatile acidity lower than 0.6 g/L, a content of glycerol of 8.56 g/L, and a concentration of polyphenols and anthocyanins of 977 GAE/L and 266 mg/L, respectively. The intensity and tonality of the wine as well as the active odor compounds found were described. The results obtained could improve the knowledge concerning the agronomic traits and the wine obtained from this ancient and autochthonous grapevine variety cultivated in a foothill area, in order to offer consumers a wine with unique traits.
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36
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Microbial community succession and volatile compounds changes during spontaneous fermentation of Cabernet Sauvignon (Vitis vinifera L.) under rain-shelter cultivation. Food Chem X 2023; 17:100618. [PMID: 36974178 PMCID: PMC10039258 DOI: 10.1016/j.fochx.2023.100618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/19/2023] [Accepted: 02/23/2023] [Indexed: 02/27/2023] Open
Abstract
Microbiota succession in spontaneous fermentation of Cabernet Sauvignon cultivated under the rain-shelter was characterized, with open-field cultivation as the control. For both cultivation modes, Saccharomyces, Starmerella, and Mycosphearella were the principal fungi, and Tatumella, Gluconobacter, and Acinetobacter were the prevailing bacteria. Rain-shelter reduced the abundance of Hanseniaspora, Candida, Starmerella, Gluconobacter, and Lactococcus. During fermentation, fungal microbiota diversity in samples from the rain-shelter cultivation decreased more drastically than the control (p < 0.05). In terms of the correlation between microbiota and volatile compounds production, the abundance of Hanseniaspora uvarum, Candida apicola, Starmerella bacillaris, Gluconobacter oxydans, and Lactococcus lactis were positively correlated with the production of esters and higher alcohols. Instead of bacterial microbiota, fungal community succession exhibited a positive correlation with the final wine volatiles under the rain-shelter cultivation. These findings demonstrated rain-shelter cultivation influences the succession pattern of microbial communities and in turn impacts the wine aromas and flavors.
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37
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Epiphitic Microbiome of Alvarinho Wine Grapes from Different Geographic Regions in Portugal. BIOLOGY 2023; 12:biology12020146. [PMID: 36829425 PMCID: PMC9952175 DOI: 10.3390/biology12020146] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/10/2023] [Accepted: 01/16/2023] [Indexed: 01/19/2023]
Abstract
Geographic location and, particularly, soil and climate exert influence on the typicality of a wine from a specific region, which is often justified by the terroir, and these factors also influence the epiphytic flora associated with the surface of the grape berries. In the present study, the microbiome associated with the surface of berries obtained from ten vineyards of the Alvarinho variety located in different geographical locations in mainland Portugal was determined and analyzed. The removal of microbial flora from the surface of the berries was carried out by washing and sonication, after which the extraction and purification of the respective DNA was carried out. High-throughput short amplicon sequencing of the fungal ITS region and the bacterial 16S region was performed, allowing for the determination of the microbial consortium associated with Alvarinho wine grapes. Analysis of α-diversity demonstrated that parcels from the Monção and Melgaço sub-region present a significantly (p < 0.05) lower fungal diversity and species richness when compared to the plots analyzed from other regions/sub-regions. The ubiquitous presence of Metschnikowia spp., a yeast with enologic potential interest in all parcels from Monção and Melgaço, was also observed.
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38
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Martiniuk JT, Hamilton J, Dodsworth T, Measday V. Grape-associated fungal community patterns persist from berry to wine on a fine geographical scale. FEMS Yeast Res 2023; 23:6967134. [PMID: 36592956 PMCID: PMC9876423 DOI: 10.1093/femsyr/foac067] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/30/2022] [Accepted: 12/30/2022] [Indexed: 01/04/2023] Open
Abstract
Wine grape fungal community composition is influenced by abiotic factors including geography and vintage. Compositional differences may correlate with different wine metabolite composition and sensory profiles, suggesting a microbial role in the shaping of a wine's terroir, or regional character. While grape and wine-associated fungal community composition has been studied extensively at a regional and sub-regional scale, it has not been explored in detail on fine geographical scales over multiple harvests. Over two years, we examined the fungal communities on Vitis Vinifera cv. Pinot noir grape berry surfaces, in crushed grapes, and in lab spontaneous fermentations from three vineyards within a < 1 km radius in Canada's Okanagan Valley wine region. We also evaluated the effect of winery environment exposure on fungal community composition by sampling grapes crushed and fermented in the winery at commercial scale. Spatiotemporal community structure was evident among grape berry surface, crushed grape and fermentation samples, with each vineyard exhibiting a distinct fungal community signature. Crushed grape fungal populations were richer in fermentative yeast species compared to grape berry surface fungal populations. Our study suggests that, as on a regional level, fungal populations may contribute to fine-scale -terroir,' with significant implications for single-vineyard wines.
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Affiliation(s)
- Jonathan T Martiniuk
- Wine Research Centre, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Jonah Hamilton
- Wine Research Centre, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Thomas Dodsworth
- Wine Research Centre, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Vivien Measday
- Corresponding author: Wine Research Centre, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC, Canada. E-mail:
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39
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Takahashi S, Hudagula H, Minami N, Maeno N, Yoshida K, Onodera S, Takeda Y, Tobiyama T, Nakamura T, Hanai J, Tanaka T, Uramoto T, Kondo R, Yamaguchi A. A model study for contributing factors of the fermentation of qvevri wine. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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40
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Guzzon R, Bertoldi D, Roman T, Zanzotti R, Franciosi E. Spatial and Seasonal Structure of Bacterial Communities Within Alpine Vineyards: Trentino as a Case Study. MICROBIAL ECOLOGY 2023; 85:108-120. [PMID: 35028709 PMCID: PMC9849295 DOI: 10.1007/s00248-021-01948-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 12/15/2021] [Indexed: 06/14/2023]
Abstract
Bacteria have a fundamental role in determining the fitness of grapevine, the composition of grapes and the features of wines but at present, little information is available. In this work, the bacteria colonizing the different portions of grapevine (bark, leaves and grapes) were explored in the vineyards of the Alpine region of Trentino, considering the impact of different environmental and agronomical variables. The vineyards included in the work were selected based on their different geographical positions (altitude) and grapevine training systems in order to explore the whole variability of the grapevine ecosystem. Moreover, the surface amount of copper was measured on grapes and leaves during the vegetative growth. Bacterial analysis, performed using plate counts and Illumina MiSeq, revealed an increase in the concentration of grape bacteria proportional to the progress of the ripening stage. Conversely, the peak of bacterial concentration onto leaf and bark samples occurred in August, probably due to the more favourable environmental conditions. In bark samples, the bacterial microbiota reached the 7 log CFU/cm2, while 6 log UFC/g were measured in grape samples. A remarkable biodiversity was observed, with 13 phyla, 35 classes, 55 orders, 78 families and 95 genera of bacteria present. The presence of some taxa (Alphaproteobacteria, Desulfovibrionaceae, Clostriadiales, Oscillospira, Lachnospiraceae and Bacteroidales) was ubiquitous in all vineyards, but differences in terms of relative abundance were observed according to the vegetative stage, altitude of the vineyard and training system. Bacteria having oenological implication (Lactobacillus, Pediococcus and Oenococcus) were detected in grape samples collected in August, in low abundance. The data revealed a complex bacterial ecosystem inside the vineyard that, while maintaining common traits, evolves according to environmental and agronomical inputs. This study contributes to define the role of bacteria in the complex balance established in each vineyard between human actions and agricultural environment, known as terroir.
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Affiliation(s)
- Raffaele Guzzon
- , Fondazione Edmund Mach, Via Mach 1, 38010, San Michele all'Adige, TN, Italy
| | - Daniela Bertoldi
- , Fondazione Edmund Mach, Via Mach 1, 38010, San Michele all'Adige, TN, Italy
| | - Tomas Roman
- , Fondazione Edmund Mach, Via Mach 1, 38010, San Michele all'Adige, TN, Italy
| | - Roberto Zanzotti
- , Fondazione Edmund Mach, Via Mach 1, 38010, San Michele all'Adige, TN, Italy
| | - Elena Franciosi
- , Fondazione Edmund Mach, Via Mach 1, 38010, San Michele all'Adige, TN, Italy
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41
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Esteves M, Lage P, Sousa J, Centeno F, de Fátima Teixeira M, Tenreiro R, Mendes-Ferreira A. Biocontrol potential of wine yeasts against four grape phytopathogenic fungi disclosed by time-course monitoring of inhibitory activities. Front Microbiol 2023; 14:1146065. [PMID: 36960294 PMCID: PMC10028181 DOI: 10.3389/fmicb.2023.1146065] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 02/17/2023] [Indexed: 03/09/2023] Open
Abstract
Grapes' infection by phytopathogenic fungi may often lead to rot and impair the quality and safety of the final product. Due to the concerns associated with the extensive use of chemicals to control these fungi, including their toxicity for environment and human health, bio-based products are being highly preferred, as eco-friendlier and safer alternatives. Specifically, yeasts have shown to possess antagonistic activity against fungi, being promising for the formulation of new biocontrol products.In this work 397 wine yeasts, isolated from Portuguese wine regions, were studied for their biocontrol potential against common grapes phytopathogenic fungal genera: Aspergillus, Botrytis, Mucor and Penicillium. This set comprised strains affiliated to 32 species distributed among 20 genera. Time-course monitoring of mold growth was performed to assess the inhibitory activity resulting from either diffusible or volatile compounds produced by each yeast strain. All yeasts displayed antagonistic activity against at least one of the mold targets. Mucor was the most affected being strongly inhibited by 68% of the tested strains, followed by Botrytis (20%), Aspergillus (19%) and Penicillium (7%). More notably, the approach used allowed the detection of a wide array of yeast-induced mold response profiles encompassing, besides the decrease of mold growth, the inhibition or delay of spore germination and the complete arrest of mycelial extension, and even its stimulation at different phases. Each factor considered (taxonomic affiliation, mode of action and fungal target) as well as their interactions significantly affected the antagonistic activity of the yeast isolates. The highest inhibitions were mediated by volatile compounds. Total inhibition of Penicillium was achieved by a strain of Metschnikowia pulcherrima, while the best performing yeasts against Mucor, Aspergillus and Botrytis, belong to Lachancea thermotolerans, Hanseniaspora uvarum and Starmerella bacillaris, respectively. Notwithstanding the wide diversity of yeasts tested, only three strains were found to possess a broad spectrum of antagonistic activity, displaying strong or very strong inhibition against the four fungal targets tested. Our results confirm the potential of wine yeasts as biocontrol agents, while highlighting the need for the establishment of fit-for-purpose selection programs depending on the mold target, the timing, and the mode of application.
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Affiliation(s)
- Marcos Esteves
- WM&B—Laboratory of Wine Microbiology and Biotechnology, Department of Biology and Environment, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- BioISI—Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, Lisbon, Portugal
| | - Patrícia Lage
- WM&B—Laboratory of Wine Microbiology and Biotechnology, Department of Biology and Environment, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- BioISI—Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, Lisbon, Portugal
| | - João Sousa
- WM&B—Laboratory of Wine Microbiology and Biotechnology, Department of Biology and Environment, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- BioISI—Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, Lisbon, Portugal
| | - Filipe Centeno
- PROENOL—Indústria Biotecnológica, Lda, Canelas, Portugal
| | | | - Rogério Tenreiro
- BioISI—Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, Lisbon, Portugal
| | - Ana Mendes-Ferreira
- WM&B—Laboratory of Wine Microbiology and Biotechnology, Department of Biology and Environment, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- BioISI—Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, Lisbon, Portugal
- *Correspondence: Ana Mendes-Ferreira,
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42
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Zahid MS, Hussain M, Song Y, Li J, Guo D, Li X, Song S, Wang L, Xu W, Wang S. Root-Zone Restriction Regulates Soil Factors and Bacterial Community Assembly of Grapevine. Int J Mol Sci 2022; 23:ijms232415628. [PMID: 36555269 PMCID: PMC9778885 DOI: 10.3390/ijms232415628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/25/2022] [Accepted: 11/28/2022] [Indexed: 12/13/2022] Open
Abstract
Root-zone restriction induces physiological stress on roots, thus limiting the vegetative and enhancing reproductive development, which promotes fruit quality and growth. Numerous bacterial-related growth-promoting, stress-mitigating, and disease-prevention activities have been described, but none in root-restricted cultivation. The study aimed to understand the activities of grapevine bacterial communities and plant-bacterial relationships to improve fruit quality. We used High-throughput sequencing, edaphic soil factors, and network analysis to explore the impact of restricted cultivation on the diversity, composition and network structure of bacterial communities of rhizosphere soil, roots, leaves, flowers and berries. The bacterial richness, diversity, and networking were indeed regulated by root-zone restriction at all phenological stages, with a peak at the veraison stage, yielding superior fruit quality compared to control plants. Moreover, it also handled the nutrient availability in treated plants, such as available nitrogen (AN) was 3.5, 5.7 and 0.9 folds scarcer at full bloom, veraison and maturity stages, respectively, compared to control plants. Biochemical indicators of the berry have proved that high-quality berry is yielded in association with the bacteria. Cyanobacteria were most abundant in the phyllosphere, Proteobacteria in the rhizosphere, and Firmicutes and Bacteroidetes in the endosphere. These bacterial phyla were most correlated and influenced by different soil factors in control and treated plants. Our findings are a comprehensive approach to the implications of root-zone restriction on the bacterial microbiota, which will assist in directing a more focused procedure to uncover the precise mechanism, which is still undiscovered.
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Affiliation(s)
- Muhammad Salman Zahid
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Muzammil Hussain
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100045, China
| | - Yue Song
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jiajia Li
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dinghan Guo
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiangyi Li
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shiren Song
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Lei Wang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wenping Xu
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
- Correspondence:
| | - Shiping Wang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
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43
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Sabo J, Farkasová S, Droppa M, Žiarovská J, Kačániová M. Molecular Fingerprinting and Microbiological Characterisation of Selected Vitis vinifera L. Varieties. PLANTS (BASEL, SWITZERLAND) 2022; 11:3375. [PMID: 36501415 PMCID: PMC9736876 DOI: 10.3390/plants11233375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/01/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
The aim of the study was to analyse selected aspects of the natural variability of selected varieties of Vitis vinifera. Grapevine is one of the most popular and desirable crops in the world due to the great tradition of wine production, but grape extracts also have a wide range of pharmaceutical effects on the human body. It is important to identify different varieties for the conservation of genetic resources, but also for commercial and cultivation purposes. The variability of conserved DNA-derived polymorphism profiles, as well as microbial characteristics, were analysed in this study. Six different varieties of Vitis vinifera L. were used in the study: Cabernet Savignon, Chardonney, Welschriesling, Weisser Riesling, Gewurztramines and Gruner Veltliner. Genetic polymorphism was analysed by CDDP markers for WRKY genes. Polymorphic amplicon profiles were generated by all primer combinations used in the study. Gruner Veltliner and Welschriesling were the most similar, with a similarity value at 0.778. Microbiological quality of grape and antimicrobial activity against Gram-positive and Gram-negative bacteria and yeasts were analysed further. The plate diluting method for microbial quality and the disc diffusion method for antimicrobial activity were evaluated. The number of total count of bacteria ranged between 3.12 in Cabernet Sauvignon to 3.62 log cfu/g in Grűner Veltliner. The best antimicrobial activity showed Gewurztramines against Salmonella enterica, Yersinia enterocolitica, Pseudomonas aeroginosa, Staphylococcus aureus, Listeria monocytogenes, Candida albicans, Candida krusei, and Candida tropicalis. The best antimicrobial activity was found against Enterococcus faecalis in variety Weisser Riesling.
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Affiliation(s)
- Jozef Sabo
- Institute of Horticulture, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Tr. A. Hlinku 2, 94976 Nitra, Slovakia
| | - Silvia Farkasová
- Institute of Plant and Environmental Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 94976 Nitra, Slovakia
| | - Michal Droppa
- Institute of Plant and Environmental Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 94976 Nitra, Slovakia
| | - Jana Žiarovská
- Institute of Plant and Environmental Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 94976 Nitra, Slovakia
| | - Miroslava Kačániová
- Institute of Horticulture, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Tr. A. Hlinku 2, 94976 Nitra, Slovakia
- Institute of Plant and Environmental Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 94976 Nitra, Slovakia
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Croatian white grape variety Maraština: First taste of its indigenous mycobiota. Food Res Int 2022; 162:111917. [DOI: 10.1016/j.foodres.2022.111917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/09/2022] [Accepted: 09/07/2022] [Indexed: 11/20/2022]
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Abiotic factors play important roles in complexity and characterization of aroma precursors in Vidal blanc grape. Food Res Int 2022; 162:112015. [DOI: 10.1016/j.foodres.2022.112015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 11/20/2022]
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Valentini B, Barbero F, Casacci LP, Luganini A, Stefanini I. Forests influence yeast populations vectored by insects into vineyards. Front Microbiol 2022; 13:1039939. [DOI: 10.3389/fmicb.2022.1039939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 11/02/2022] [Indexed: 11/22/2022] Open
Abstract
IntroductionIn the vineyard, yeast communities impact the ripening and fermentation of grapes and are influenced by geographical location, climate, and soil characteristics. Despite the great advancement in our knowledge of the vineyard mycobiota, a key step of the process leading to the definition of the vineyard yeast community is still poorly understood: if geography, climate, and soil influence the mycobiota, potentially through selection, where do the yeast originate from, and how can they reach the vineyard? In this perspective, it is currently acknowledged that forests host several yeast species and that insects, particularly social wasps, can vector and maintain the yeasts known to populate the vineyard. Alas, the conveyance, fostered by insects, of yeasts from the forest to the vineyard has not been proven yet. In this study, we aimed to assess the existence of links between a potential natural source of yeasts (woods), the vectors (social wasps), and the composition of the vineyard mycobiota.MethodsFor this purpose, the mycobiota of wasps caught in six Italian vineyards were analyzed over 2 years through culturomics approaches.ResultsThe results clearly indicate that the presence of wooded areas close to vineyards is associated with particular features of the mycobiota vectored by social wasps. Wasps caught in vineyards near wooded areas bear a higher number of yeast cells and higher biodiversity than insects caught in vineyards far from woods. Furthermore, insects caught in vineyards close to woods bear distinctive yeast populations, encompassing species such as Saccharomyces cerevisiae.DiscussionOverall, our work provides fundamental insights into the ecology of the vineyard mycobiota and highlights the need to maintain a vineyard-woodland mosaic landscape, thus preserving the suitable habitat for yeast species relevant to wine-making.
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Chen N, Wei R, Cao X, Duan X, Li H, Wang H. Evaluation of inter-row cover crops effects on the microbial diversity during Cabernet Sauvignon (Vitis vinifera L.) maturation. Food Res Int 2022; 162:112113. [DOI: 10.1016/j.foodres.2022.112113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 10/28/2022] [Accepted: 10/30/2022] [Indexed: 11/06/2022]
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Vicente J, Ruiz J, Tomasi S, de Celis M, Ruiz-de-Villa C, Gombau J, Rozès N, Zamora F, Santos A, Marquina D, Belda I. Impact of rare yeasts in Saccharomyces cerevisiae wine fermentation performance: Population prevalence and growth phenotype of Cyberlindnera fabianii, Kazachstania unispora, and Naganishia globosa. Food Microbiol 2022; 110:104189. [DOI: 10.1016/j.fm.2022.104189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 11/17/2022] [Accepted: 11/19/2022] [Indexed: 11/23/2022]
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Huang R, Yu H, Dong C, Shen L, Qin Y, Liu Y, Jiang J, Song Y. Correlations between microbial diversity, monomeric phenols, and biological parameters during spontaneous fermentation of Cabernet Sauvignon grapes obtained from rain-shelter cultivation. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Detection of Microbiota during the Fermentation Process of Wine in Relation to the Biogenic Amine Content. Foods 2022; 11:foods11193061. [PMID: 36230137 PMCID: PMC9564049 DOI: 10.3390/foods11193061] [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: 08/24/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/17/2022] Open
Abstract
Viticulture is one of the traditional industries in Slovakia, where there are six wine-growing regions: Malokarpatska, Southern Slovakia, Central Slovakia, Nitra, Eastern Slovakia, and Tokaj. This study focuses on the detection of microbiota in soil samples, grape leaves and berries, and samples taken from fermenting must and young wine (the variety Tramín červený) in relation to the detected concentrations of biogenic amines during the fermentation process. In the examined samples, the number of yeasts and molds (from 3.8 to 6.8 log cfu/g or mL) and TVC (from 3.7 to 6.5 log cfu/g or mL) were determined via culture examination. At the same time, the number of LAB (from ˂3.0 to 4.4 log cfu/g or mL) was determined, which was the highest on day 4 of the must fermentation process and was related to the detected of the highest concentration of biogenic amines (histamine and tyramine) on day 6 in the investigated must samples using the UHPLC system. Mycobiota species were identified by MALDI-TOF MS, PCR, ITS-PCR-RFLP, and PCR sequencing of the amplified products. The study confirmed the presence of the yeasts Saccharomyces cerevisiae, Metschnikowia pulcherrima, Hanseniospora uvarum, Pichia kudriavzevii, Pichia kluyveri, Pichia fermentas, Torulaspora delbrueckii, and Candida tenuis. At the same time, the presence of molds (Cladosporium herbarum, Cladosporium cladosporioides, Penicillium granulatum, Penicillium mononematosum, Botritis cinerea, and Penicillium glabrum) was also confirmed in soil samples, leaves, grape berries, and fresh grape must. The study confirmed the reduction in the species diversity of the microbiota during the must fermentation process, which resulted in decreases in the concentrations of the monitored biogenic amines in the early stages of the must fermentation process and young wine of the variety Tramín červený.
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