Generation of a non-transgenic genetically improved yeast strain for wine production from nitrogen-deficient musts

The yeast Saccharomyces cerevisiae is the main species responsible for the process that involves the transformation of grape must into wine, with the initial nitrogen in the grape must being vital for it. One of the main problems in the wine industry is the deficiency of nitrogen sources in the grap...

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Autores principales: Kessi Pérez, Eduardo Ignacio, Molinet, Jennifer, García, Verónica, Aguilera, Omayra, Cepeda, Fernanda, López, María Eugenia, Sari, Santiago Eduardo, Cuello, Raúl Andrés, Ciklic, Ivan Francisco, Rojo, Cecilia, Combina, Mariana, Araneda, Cristián, Martínez, Claudio
Formato: info:ar-repo/semantics/artículo
Lenguaje:Inglés
Publicado: MDPI 2020
Materias:
Acceso en línea:http://hdl.handle.net/20.500.12123/8110
https://www.mdpi.com/2076-2607/8/8/1194
https://doi.org/10.3390/microorganisms8081194
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author Kessi Pérez, Eduardo Ignacio
Molinet, Jennifer
García, Verónica
Aguilera, Omayra
Cepeda, Fernanda
López, María Eugenia
Sari, Santiago Eduardo
Cuello, Raúl Andrés
Ciklic, Ivan Francisco
Rojo, Cecilia
Combina, Mariana
Araneda, Cristián
Martínez, Claudio
author_browse Aguilera, Omayra
Araneda, Cristián
Cepeda, Fernanda
Ciklic, Ivan Francisco
Combina, Mariana
Cuello, Raúl Andrés
García, Verónica
Kessi Pérez, Eduardo Ignacio
López, María Eugenia
Martínez, Claudio
Molinet, Jennifer
Rojo, Cecilia
Sari, Santiago Eduardo
author_facet Kessi Pérez, Eduardo Ignacio
Molinet, Jennifer
García, Verónica
Aguilera, Omayra
Cepeda, Fernanda
López, María Eugenia
Sari, Santiago Eduardo
Cuello, Raúl Andrés
Ciklic, Ivan Francisco
Rojo, Cecilia
Combina, Mariana
Araneda, Cristián
Martínez, Claudio
author_sort Kessi Pérez, Eduardo Ignacio
collection INTA Digital
description The yeast Saccharomyces cerevisiae is the main species responsible for the process that involves the transformation of grape must into wine, with the initial nitrogen in the grape must being vital for it. One of the main problems in the wine industry is the deficiency of nitrogen sources in the grape must, leading to stuck or sluggish fermentations, and generating economic losses. In this scenario, an alternative is the isolation or generation of yeast strains with low nitrogen requirements for fermentation. In the present study, we carry out a genetic improvement program using as a base population a group of 70 strains isolated from winemaking environments mainly in Chile and Argentina (F0), making from it a first and second filial generation (F1 and F2, respectively) based in different families and hybrids. It was found that the trait under study has a high heritability, obtaining in the F2 population strains that consume a minor proportion of the nitrogen sources present in the must. Among these improved strains, strain “686” specially showed a marked drop in the nitrogen consumption, without losing fermentative performance, in synthetic grape must at laboratory level. When using this improved strain to produce wine from a natural grape must (supplemented and non-supplemented with ammonium) at pilot scale under wine cellar conditions, a similar fermentative capacity was obtained between this strain and a widely used commercial strain (EC1118). However, when fermented in a non-supplemented must, improved strain “686” showed the presence of a marked floral aroma absent for EC1118 strain, this difference being probably a direct consequence of its different pattern in amino acid consumption. The combination of the capacity of improved strain “686” to ferment without nitrogen addition and produce floral aromas may be of commercial interest for the wine industry.
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spelling INTA81102020-10-22T17:19:01Z Generation of a non-transgenic genetically improved yeast strain for wine production from nitrogen-deficient musts Kessi Pérez, Eduardo Ignacio Molinet, Jennifer García, Verónica Aguilera, Omayra Cepeda, Fernanda López, María Eugenia Sari, Santiago Eduardo Cuello, Raúl Andrés Ciklic, Ivan Francisco Rojo, Cecilia Combina, Mariana Araneda, Cristián Martínez, Claudio Saccharomyces Cerevisiae Nitrógeno Nitrogen Genetic Improvement Microsatellites Microsatélites Wine Yeast Levadura de Vino Nitrogen Consumption Wine Production Producción de Vino The yeast Saccharomyces cerevisiae is the main species responsible for the process that involves the transformation of grape must into wine, with the initial nitrogen in the grape must being vital for it. One of the main problems in the wine industry is the deficiency of nitrogen sources in the grape must, leading to stuck or sluggish fermentations, and generating economic losses. In this scenario, an alternative is the isolation or generation of yeast strains with low nitrogen requirements for fermentation. In the present study, we carry out a genetic improvement program using as a base population a group of 70 strains isolated from winemaking environments mainly in Chile and Argentina (F0), making from it a first and second filial generation (F1 and F2, respectively) based in different families and hybrids. It was found that the trait under study has a high heritability, obtaining in the F2 population strains that consume a minor proportion of the nitrogen sources present in the must. Among these improved strains, strain “686” specially showed a marked drop in the nitrogen consumption, without losing fermentative performance, in synthetic grape must at laboratory level. When using this improved strain to produce wine from a natural grape must (supplemented and non-supplemented with ammonium) at pilot scale under wine cellar conditions, a similar fermentative capacity was obtained between this strain and a widely used commercial strain (EC1118). However, when fermented in a non-supplemented must, improved strain “686” showed the presence of a marked floral aroma absent for EC1118 strain, this difference being probably a direct consequence of its different pattern in amino acid consumption. The combination of the capacity of improved strain “686” to ferment without nitrogen addition and produce floral aromas may be of commercial interest for the wine industry. EEA Mendoza Fil: Kessi Pérez, Eduardo Ignacio. Universidad de Santiago de Chile. Departamento de Ciencia y Tecnología de los Alimentos; Chile Fil: Kessi Pérez, Eduardo Ignacio. Universidad de Santiago de Chile. Centro de Estudios en Ciencia y Tecnología de Alimentos (CECTA); Chile Fil: Molinet, Jennifer. Universidad de Santiago de Chile. Departamento de Ciencia y Tecnología de los Alimentos; Chile Fil: García, Verónica. Universidad de Santiago de Chile. Centro de Estudios en Ciencia y Tecnología de Alimentos (CECTA); Chile Fil: Aguilera, Omayra. Universidad de Santiago de Chile. Centro de Estudios en Ciencia y Tecnología de Alimentos (CECTA); Chile Fil: Cepeda, Fernanda. Universidad de Chile. Facultad de Ciencias Agronómicas. Laboratorio de Genética y Biotecnología en Acuicultura, Departamento de Producción Animal; Chile Fil: López, María Eugenia. Universidad de Chile. Facultad de Ciencias Agronómicas. Laboratorio de Genética y Biotecnología en Acuicultura, Departamento de Producción Animal; Chile Fil: Sari, Santiago Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentina Fil: Cuello, Raúl Andrés. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentina Fil: Cuello, Raúl Andrés. Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET); Argentina Fil: Ciklic, Ivan Francisco. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentina Fil: Rojo, Maria Cecilia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentina Fil: Rojo, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina Fil: Combina, Mariana. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentina Fil: Combina, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina Fil: Araneda, Cristián. Universidad de Chile. Facultad de Ciencias Agronómicas. Laboratorio de Genética y Biotecnología en Acuicultura, Departamento de Producción Animal; Chile Fil: Martínez, Claudio. Universidad de Santiago de Chile. Departamento de Ciencia y Tecnología de los Alimentos; Chile Fil: Martínez, Claudio. Universidad de Santiago de Chile. Centro de Estudios en Ciencia y Tecnología de Alimentos (CECTA); Chile 2020-10-22T17:07:12Z 2020-10-22T17:07:12Z 2020 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/8110 https://www.mdpi.com/2076-2607/8/8/1194 Kessi-Pérez, E.I.; Molinet, J.; García, V.; Aguilera, O.; Cepeda, F.; López, M.E.; Sari, S.; Cuello, R.; Ciklic, I.; Rojo, M.C.; Combina, M.; Araneda, C.; Martínez, C. Generation of a Non-Transgenic Genetically Improved Yeast Strain for Wine Production from Nitrogen-Deficient Musts. Microorganisms 2020, 8, 1194. 2076-2607 https://doi.org/10.3390/microorganisms8081194 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf MDPI Microorganisms 8 (8) : 1194. (2020)
spellingShingle Saccharomyces Cerevisiae
Nitrógeno
Nitrogen
Genetic Improvement
Microsatellites
Microsatélites
Wine Yeast
Levadura de Vino
Nitrogen Consumption
Wine Production
Producción de Vino
Kessi Pérez, Eduardo Ignacio
Molinet, Jennifer
García, Verónica
Aguilera, Omayra
Cepeda, Fernanda
López, María Eugenia
Sari, Santiago Eduardo
Cuello, Raúl Andrés
Ciklic, Ivan Francisco
Rojo, Cecilia
Combina, Mariana
Araneda, Cristián
Martínez, Claudio
Generation of a non-transgenic genetically improved yeast strain for wine production from nitrogen-deficient musts
title Generation of a non-transgenic genetically improved yeast strain for wine production from nitrogen-deficient musts
title_full Generation of a non-transgenic genetically improved yeast strain for wine production from nitrogen-deficient musts
title_fullStr Generation of a non-transgenic genetically improved yeast strain for wine production from nitrogen-deficient musts
title_full_unstemmed Generation of a non-transgenic genetically improved yeast strain for wine production from nitrogen-deficient musts
title_short Generation of a non-transgenic genetically improved yeast strain for wine production from nitrogen-deficient musts
title_sort generation of a non transgenic genetically improved yeast strain for wine production from nitrogen deficient musts
topic Saccharomyces Cerevisiae
Nitrógeno
Nitrogen
Genetic Improvement
Microsatellites
Microsatélites
Wine Yeast
Levadura de Vino
Nitrogen Consumption
Wine Production
Producción de Vino
url http://hdl.handle.net/20.500.12123/8110
https://www.mdpi.com/2076-2607/8/8/1194
https://doi.org/10.3390/microorganisms8081194
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