As seven typical bands were cut and sequenced,the results indicated that the dominant species of archaea in granule of the last period were Methanocorpusculum,Methanobacterium,Methanosaeta,and etc.

• 将有代表性的7个古细菌条带切胶回收并测序；结果显示；反应器运行后期占优势的菌种主要包括甲烷微粒菌(Methanocorpusculum)、甲烷杆菌(Methanobacterium)和甲烷髦毛菌(Methanosaeta)等.