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Antifungal activity of native yeasts from different microenvironments against Colletotrichum gloeosporioides on ripe olive fruits
Pesce, Virginia Mercedes; Nally, María Cristina; Carrizo, Gabriela P.; Rojo, Maria Cecilia; Perez, Beatriz Alida; Toro, Maria Eugenia; Castellanos de Figueroa, Lucía Inés; Vazquez, Fabio (2017-03)Anthracnose is a fungal disease caused by Colletotrichum species, which mainly affects olive fruits during ripening. The use of yeasts from related and unrelated microenvironments in the control of plant pathogens has ... -
Biodiversity of Saccharomyces cerevisiae populations in Malbec vineyards from the “Zona Alta del Río Mendoza” region in Argentina
Mercado, Laura Analia; Sturm, Maria Elena; Rojo, Maria Cecilia; Ciklic, Ivan Francisco; Martínez, Claudio; Combina, Mariana (Elsevier, 2011-12-15)The “Zona Alta del Río Mendoza” (ZARM) is the major Malbec grape viticulture region of Argentina. The aim of the present study was to explore Saccharomyces cerevisiae biodiversity in ZARM vineyards. Interdelta PCR and RFLP ... -
Effects of pH and sugar concentration in Zygosaccharomyces rouxii growth and time for spoilage in concentrated grape juice at isothermal and non-isothermal conditions
Rojo, Cecilia; Arroyo López, Francisco Noe; Lerena, María Cecilia; Mercado, Laura Analia; Torres, Adriana Mabel; Combina, Mariana (2014-04)The effect of pH (1.7–3.2) and sugar concentration (64–68 °Brix) on the growth of Zygosaccharomyces rouxii MC9 using response surface methodology was studied. Experiments were carried out in concentrated grape juice ... -
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 ... -
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 ... -
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 ...