Washington University in St. Louis Washington University Open Scholarship All Theses and Dissertations (ETDs) 5-24-2010 Genetic and Phenotypic Differentiation between Winemaking and Wild Strains of Saccharomyces cerevisiae Katie Hyma Washington University in St. Louis Follow this and additional works at: https://openscholarship.wustl.edu/etd Recommended Citation Hyma, Katie, "Genetic and Phenotypic Differentiation between Winemaking and Wild Strains of Saccharomyces cerevisiae" (2010). All Theses and Dissertations (ETDs). 888. https://openscholarship.wustl.edu/etd/888 This Dissertation is brought to you for free and open access by Washington University Open Scholarship. It has been accepted for inclusion in All Theses and Dissertations (ETDs) by an authorized administrator of Washington University Open Scholarship. For more information, please contact
[email protected]. WASHINGTON UNIVERSITY IN ST. LOUIS Division of Biology and Biomedical Sciences Evolution, Ecology, and Population Biology Dissertation Examination Committee: Justin Fay, Chair Jim Cheverud Barak Cohen Ken Olsen Barbara Schaal Heather True-Krob GENETIC AND PHENOTYPIC DIFFERENTIATION BETWEEN WINEMAKING AND WILD STRAINS OF SACCHAROMYCES CEREVISIAE by Katie Elizabeth Hyma A dissertation presented to the Graduate School of Arts and Sciences of Washington University in partial fulfillment of the requirements for the degree of Doctor of Philosophy December 2010 Saint Louis, Missouri copyright by Katie Elizabeth Hyma 2010 Abstract Traditionally, Saccharomyces cerevisiae has been associated with wine, beer and bread production, yet wild strains have also been isolated from natural habitats. While all strains of S. cerevisiae as well as other Saccharomyces species are capable of wine fermentation, a genetically distinct group of S. cerevisiae strains is primarily used to produce wine.