Three molecular typing techniques,Delta-PCR,ERIC-PCR and RAPD-PCR,were used for differentiating 8 yeast strains within the species Saccharomyces cerevisiae.

• 利用Delta-PCR、ERIC-PCR以及RAPD-PCR三种分子分类技术对8个酿酒酵母菌株进行分类鉴定。