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Construction of low-ethanol-wine yeasts through partial deletion of the Saccharomyces cerevisiae PDC2 gene
Cuello, Raúl Andrés; Flores Montero, Karina Johana; Mercado, Laura Analia; Combina, Mariana; Ciklic, Ivan Francisco (2017)We propose an alternative GMO based strategy to obtain Saccharomyces cerevisiae mutant strains with a slight reduction in their ability to produce ethanol, but with a moderate impact on the yeast metabolism. Through ... -
Elaboración de vino Malbec en planta piloto con una levadura OGM diseñada para reducir la graduación alcohólica
Cuello, Raúl Andrés; Massera, Ariel Fernando; Combina, Mariana; Ciklic, Ivan Francisco (Ministro de Ciencia y Tecnología, Gobierno de la Provincia de Córdoba, 2022-11-23)Uno de los problemas que enfrenta la industria vitivinícola en los últimos años, es el aumento sostenido de la graduación alcohólica de los vinos obtenidos. La demanda de vinos que posean taninos maduros y dulces obliga a ... -
First report of grapevine Roditis leaf discoloration-associated virus infecting grapevine in Argentina
Cuello, Raul Andres; Debat, Humberto Julio; Zavallo, Diego; Lanza Volpe, Melisa; Prieto, Jorge Alejandro; Torres, Maria Del Rocio; Gomez Talquenca, Gonzalo; Asurmendi, Sebastian (Springer, 2025-01)Grapevine Roditis leaf discoloration-associated virus (GRL DaV) is a monopartite DNA virus belonging to the genus Badnavirus (family Caulimoviridae). GRLDaV is associ ated with yellow and/or reddish leaf discoloration symp ... -
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 ... -
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 ...