Atypical yeasts identified as Saccharomyces cerevisiae by MALDI-TOF MS and gene sequencing are the main responsible of fermentation of chicha, a traditional beverage from Peru

作者: Juan Andrés Vallejo , Patricia Miranda , José David Flores-Félix , Fernando Sánchez-Juanes , José M. Ageitos

DOI: 10.1016/J.SYAPM.2013.09.002

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摘要: Chicha is a drink prepared in several Andean countries from Inca's times by maize fermentation. Currently this fermentation carried out familiar artesanal "chicherias" that make one of the most known types chicha, "chicha de jora". In study we isolate and identify yeasts mainly responsible process type chicha 10 traditional Cusco region Peru. We applied first time MALDI-TOF MS analysis for identification yeast non-clinic origin results showed all strains isolated belong to species Saccharomyces cerevisiae. These agree with those obtained after D1/D2 5.8S-ITS regions. However have phenotypic profile differed more than 40% as compared current S. cerevisiae strains. To best our knowledge report concerning involved

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