ABSTRACT

The ascomycetous and the common plant saprophyte Saccharomyces cerevisiae is a yeast with a widespread distribution in nature and can be found on plants and fruits and in soil [1].

30.1 Saccharomyces ...................................................................................................................... 495 30.1.1 Introduction .............................................................................................................. 495 30.1.2 Microbiology............................................................................................................. 497

30.1.2.1 Taxonomic Classication ........................................................................... 497 30.1.2.2 Genetics and Biochemistry ........................................................................ 498 30.1.2.3 Morphology and Features .......................................................................... 498 30.1.2.4 Uses: Fermentation, Bread, Nutritional Supplements, and Probiotics ....... 499

30.1.3 Epidemiology ............................................................................................................500 30.1.3.1 Ecology and Etiology .................................................................................500 30.1.3.2 Human Population .....................................................................................500