YPD Broth is used for the maintenance and the development of yeast in molecular biology procedures. The formula is the same as in YP Base Medium (Cat. 1511) but with the dextrose added. YPD Broth is also used to cultivate Saccharomyces cerevisiae and other yeasts. Yeasts grow well on a medium containing only a minimal amount of glucose and salts. This medium contains dextrose, salts and proteins, which favors the growth of Saccharomyces cerevisiae and reduces growing times. Yeast extract is the source of vitamins, particularly the B-group essential for bacterial growth. Peptone provides nitrogen, vitamins, minerals and amino acids. Saccharomyces cerevisiae has a genome of 14 Mb containing 6000 genes arranged in 16 chromosomes, which have been completely sequenced, and thus, is a species type in microbiology and genetics studies.
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