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FEMS Yeast Res

Title:		Microbiology of high-sugar must fermentation by novel yeasts from the chihuahuan desert
Author(s):		Perrusquia-Luevano S; Cano-Herrera MS; Guigon-Lopez C; Avitia-Talamantes MDC; Torres-Torres C; Villalpando I;
Address:		"Instituto Tecnologico de Parral, Av. Tecnologico 57, Hidalgo del Parral, Chihuahua 33850, Mexico. Centro de investigacion para los Recursos Naturales, Antigua Normal Rural de Salaices, Lopez, Chihuahua 33941, Mexico. Seccion de Estudios de Posgrado e Investigacion, Escuela Superior de Ingenieria Mecanica y Electrica Unidad Zacatenco, Instituto Politecnico Nacional, Ciudad de Mexico 07738, Mexico"
Journal Title:		FEMS Yeast Res
Year:		2019
Volume:		19
Issue:		1
Page Number:		-
DOI:		10.1093/femsyr/foy099
ISSN/ISBN:		1567-1364 (Electronic) 1567-1356 (Linking)
Abstract:		"This work reports important results of aromatic profiles produced by native yeasts isolated from desert-grown wine grapes from the south of Chihuahua, Mexico. These grapes stand very high temperatures during the ripening season, developing high sugar concentration and high pH. Yeast species found in grapes were identified by polymerase chain reaction and sequence analysis of the 5.8S internal transcribed spacer ribosomal RNA region. Aureobasidium namibiae, Sporobolomyces johnsonii, Candida apicola, Hanseniaspora uvarum, Candida thaimueangensis, Hanseniaspora opuntiae were identified. All of them can grow at glucose concentration of 35% (w/v) and 100 ppm of SO2, and produce low volatile acidity (0.2-1.0 g acetic acid/L). Volatile organic compounds analysis showed that C. thaimueangensis and one strain of C. apicola produce high levels of esters, and Hanseniaspora species produces high levels of higher alcohols and carbonyl compounds. The results of this study contribute to the knowledge about yeast communities associated with desert-grown winegrape yeasts"
Keywords:		"Cluster Analysis DNA, Fungal/chemistry/genetics DNA, Ribosomal/chemistry/genetics DNA, Ribosomal Spacer/chemistry/genetics *Fermentation Glucose/metabolism Mexico Phylogeny RNA, Ribosomal, 5.8S/genetics Sequence Analysis, DNA Vitis/*microbiology Volatile;"
Notes:		"MedlinePerrusquia-Luevano, Susana Cano-Herrera, Marlene Sarahi Guigon-Lopez, Cesar Avitia-Talamantes, Maria Del Carmen Torres-Torres, Carlos Villalpando, Isaela eng Research Support, Non-U.S. Gov't England 2018/09/12 FEMS Yeast Res. 2019 Jan 1; 19(1). doi: 10.1093/femsyr/foy099"