采用分离培养和PCR对贵州阿哈湖沉积物中硫酸盐还原菌类群进行分析，并对分离纯化的一株硫酸盐还原菌进行鉴定。
Isolation culture and PCR were performed to analyze sulfate-reducing bacteria subgroups in the sediment of Lake Aha in Guizhou Province and a purified strain identified from the sample.
现已明确该病毒源自G9群，尽管不尽相同，但与先前的H9毒株密切相关。
The results confirm that the virus is from the G9 group and closely related, though not identical, to previous H9 strains.
结果22株污染酵母菌总共扩增出11种不同的指纹图谱，经聚类分析可分为2个聚类群。
Result11 DNA fingerprints were obtained and 22 spoilage yeast could be classified into two groups.
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