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Evaluation of Saccharomyces cerevisiae strains as probiotic agent with aflatoxin B1 adsorption ability for use in poultry feedstuffs
Pizzolitto, Romina P.; Armando, María R.; Combina, Mariana; Cavaglieri, Lilia Reneé; Dalcero, Ana María; Salvano, Mario A. (2012-08)In this study the aflatoxin B1 (AFB1) removal capacity, the tolerance to salivary and gastrointestinal conditions, autoaggregation and coaggregation with pathogenic bacteria of Saccharomyces cerevisiae strains isolated ... -
Evaluation of the effectiveness of potential biocontrol yeasts against black sur rot and ochratoxin A occurring under greenhouse and field grape production conditions
Ponsone, María Lorena; Nally, Maria Cristina; Chiotta, María Laura; Combina, Mariana; Kohl, Jürgen; Chulze, Sofia Noemí (2016)The efficacy of two strains of Lanchancea thermotolerans in preventing the growth and ochratoxin A (OTA) accumulation of ochratoxigenic fungi under greenhouse and field conditions were evaluated during three consecutive ... -
Evolución de la diversidad de Saccharomyces cerevisiae en tres vendimias de uvas Malbec de Mendoza
Gonzalez, Magali Lucia Rosa; Chimeno, Selva Valeria; Sturm, Maria Elena; Lerena, María Cecilia; Rojo, Cecilia; Massera, Ariel Fernando; Combina, Mariana; Mercado, Laura Analia (Asociación Colombiana de Micología (ASCOLMIC), 2022-11-30)Malbec es la variedad emblemática de Argentina y la Zona Alta del Río Mendoza (ZARM) concentra el mayor volumen de su producción. Gracias al concepto de “terroir”, que dimensiona al vino con un sentido de pertenencia a su ... -
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 (MDPI, 2020)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 ... -
Genetic characterization of grapevine-infecting Botrytis cinerea isolates from Argentina = Caracterización genética de aislamientos de Botrytis cinerea obtenidos en vides de Argentina
Muñoz, Claudio Javier; Gomez Talquenca, Gonzalo; Oriolani, Enrique; Combina, Mariana (2010-06)Background: Botrytis cinerea is an ascomycete with a high genetic diversity and complex population structure, as reported from several hosts and sites. However, nothing is known about its genetic diversity in Argentina. Aims: ... -
Genome-wide gene expression of a natural hybrid between Saccharomyces cerevisiae and S. kudriavzevii under enological conditions
Combina, Mariana; Perez Torrado, Roberto; Tronchoni, Jordi; Belloch, Carmela; Querol, Amparo (Elsevier, 2012-07-16)The species Saccharomyces cerevisiae plays a predominant role in the wine making process. However, other species have been associated with must fermentation, such as Saccharomyces uvarum (Saccharomyces bayanus var. uvarum) ... -
Genomic and phenotypic comparison between similar wine yeast strains of Saccharomyces cerevisiae from different geographic origins
Salinas, F.; Mandaković, D.; Urzua, U.; Massera, Ariel Fernando; Miras, S.; Combina, Mariana; Ganga, M. Angélica; Martinez, Claudio (Wiley, 2010-05)Aims: To study genomic and phenotypic changes in wine yeasts produced in short time periods analysing yeast strains possibly derived from commercial strains recently dispersed. Methods and Results: We conducted a genomic ... -
Growth response of Saccharomyces cerevisiae strains to stressors associated to the vine cycle
Gonzalez, Magali Lucia Rosa; Valero, Eva; Chimeno, Selva Valeria; Garrido Fernandez, Antonio; Rodriguez Gomez, Francisco; Rojo, Cecilia; Paolinelli, Marcos; Arroyo Lopez, Francisco Noe; Combina, Mariana; Mercado, Laura Analia (Elsevier, 2022-03-07)Saccharomyces cerevisiae isolates from grapes, soil, vine bark and buds collected at seven phenological stages of an annual growth cycle, were molecular typed by Microsatellite Multiplex PCR. Subsequently 30 S. cerevisiae ... -
Impact on Sensory and Aromatic Profile of Low Ethanol Malbec Wines Fermented by Sequential Culture of Hanseniaspora uvarum and Saccharomyces cerevisiae Native Yeasts
Mestre Furlani, Maria Victoria; Maturano, Yolanda Paola; Gallardo, Candelaria; Combina, Mariana; Mercado, Laura Analia; Toro, Maria Eugenia; Carrau, Francisco; Vazquez, Fabio; Dellacassa, Eduardo (MDPI, 2019-07)It is well known that high ethanol levels in wines adversely affect the perception of new wine consumers. Moreover, numerous issues, such as civil restrictions, health risk and trade barriers, are associated with high ... -
Incidence of osmophilic yeasts and Zygosaccharomyces rouxii during the production of concentrate grape juices
Torres Palazzolo, C.; Cuello, Raúl Andrés; Gonzalez, Magali Lucia Rosa; Guevara, Felipe; Ponsone, María Lorena; Mercado, Laura Analia; Martinez, Claudio; Combina, Mariana; Rojo, Maria Cecilia (2017)Zygosaccharomyces rouxii is the main spoilage yeast of grape juice concentrates. Detection and identification of Z. rouxii during the production of grape juice concentrate is critical to prevent spoilage in the final ... -
Influencia de diferentes fuentes de nitrógeno sobre el crecimiento y la fermentación de levaduras en mostos de uva
Rojo, Cecilia; Rodriguez Gomez, Francisco; Torres Palazzolo, Carolina Andrea; Ponsone, María Lorena; Massera, Ariel Fernando; Mercado, Laura Analia; Arroyo Lopez, Francisco Noe; Combina, Mariana (Ministro de Ciencia y Tecnología, Gobierno de la Provincia de Córdoba, 2022-11-11)En Argentina, la vitivinicultura representa un importante componente en las economías productivas de las provincias de Mendoza y San Juan. La obtención de bioetanol 1G a partir de uvas de bajo valor enológico podría aportar ... -
Inoculation strategies to improve persistence and implantation of commercial S. cerevisiae strains in red wines produced with prefermentative cold soak
Maturano, Yolanda Paola; Lerena, María Cecilia; Mestre, María Victoria; Casassa, Luis Federico; Toro, Maria Eugenia; Mercado, Laura Analia; Combina, Mariana (Elsevier, 2018)Prefermentative cold soak is a winemaking technique aimed at enhancing aroma and colour extraction in red wines. This study aimed at evaluating implantation and persistence rates of commercial active dry yeast strains (ADY) ... -
Isolation of a yeast strain able to produce a polygalacturonase with maceration activity of cassava roots
Martos, María Alicia; Zubreski, Emilce Roxana; Combina, Mariana; Garro, Oscar Alfredo; Hours, Roque Alberto (2013-06)The objective of the present study was the isolation of a yeast strain, from citrus fruit peels, able to produce a polygalacturonase by submerged fermentation with maceration activity of raw cassava roots. Among 160 yeast ... -
Malolactic fermentation induced by Lactobacillus plantarum in Malbec wines from Argentina
Lerena, María Cecilia; Sari, Santiago Eduardo; Mercado, Laura Analia; Krieger-Weber, Sibylle; Combina, Mariana; Rojo, María Cristina (2016)The current market requirements to obtain wines with enhanced complexity and varietal character propose the finding of new microorganisms capable of driving the malolactic fermentation (MLF) and contributing to new and ... -
Meta-Analysis of Yields of Crops Fertilized with Compost Tea and Anaerobic Digestate
Curadelli, Franco; Alberto, Marcelo; Uliarte, Ernesto Martin; Combina, Mariana; Funes Pinter, Mariano Ivan (MDPI, 2023-01)Organic inputs constitute an alternative way to replace or reduce the use of agrochemicals in order to increase sustainability and reduce negative impacts of agriculture on the environment. A consistent determination of ... -
Molecular and enological characterization of a natural Saccharomyces uvarum and Saccharomyces cerevisiae hybrid
Pérez-Torrado, Roberto; González, Sara Susana; Combina, Mariana; Barrio, Eladio; Querol, Amparo (2015-07)Saccharomyces cerevisiae plays a main role in the winemaking process, although other species, like Saccharomyces uvarum or Saccharomyces paradoxus, have been associated with must fermentations. It has been reported in ... -
Monitoring of killer yeast populations in mixed cultures: influence of incubation temperature of microvinifications samples
Maturano, Yolanda Paola; Nally, María Cristina; Toro, María Eugenia; Castellanos de Figueroa, Lucía Inés; Combina, Mariana; Vazquez, Fabio (2012-11)Killer yeasts are frequently used to combat and prevent contamination by wild-type yeasts during wine production and they can even dominate the wine fermentation. Stuck and sluggish fermentations can be caused by an ... -
Multi-enzyme production by pure and mixed cultures of Saccharomyces and non-Saccharomyces yeasts during wine fermentation
Maturano, Yolanda Paola; Rodriguez Assaf, Leticia Anahi; Toro, María Eugenia; Nally, María Cristina; Vallejo, Martha Dina; Castellanos de Figueroa, Lucía Inés; Combina, Mariana; Vazquez, Fabio (Elsevier, 2012-04-02)Saccharomyces and non-Saccharomyces yeasts release enzymes that are able to transform neutral compounds of grape berries into active aromatic compounds, a process that enhances the sensory attributes of wines. So far, there ... -
Mutagenesis, screening and isolation of Brettanomyces bruxellensis mutants with reduced 4-ethylphenol production
Alvarez Gaona, Izmari Jasel; Assof, Mariela Vanesa; Jofre, Viviana Patricia; Combina, Mariana; Ciklic, Ivan Francisco (Springer, 2021-01)The use of non-conventional yeast species to obtain interesting flavors and aromas has become a new trend in the fermented beverages industry. Among such species, Brettanomyces bruxellensis (B. bruxellensis) has been ... -
Natural occurrence of Ochratoxin A in musts, wines and grape vine fruits from grapes harvested in Argentina
Ponsone, María Lorena; Chiotta, María Laura; Combina, Mariana; Torres, Adriana; Knass, Patricia; Dalcero, Ana María; Chulze, Sofia Noemí (2010-08)In this study, ochratoxin A (OTA) occurrence in Argentinean musts, wines and dried vine fruits was evaluated, alongside with the performance of OchraStarTM columns for OTA extraction. In all the three matrices analyzed, ...