Reference: Kawahata M, et al. (2007) Intraspecies Diversity of the Industrial Yeast Strains Saccharomyces cerevisiae and Saccharomyces pastorianus Based on Analysis of the Sequences of the Internal Transcribed Spacer (ITS) Regions and the D1/D2 Region of 26S rDNA. Biosci Biotechnol Biochem 71(7):1616-20