Actinobacteria are well known to produce many kinds of bioactive substances, including antibiotics.The order Actinomycet......

经磷缓液提取，乙醇沉淀，超滤去杂，然后经CM-纤维素柱层析，DEAE-SephadexA-50柱层析纯化了Dactylosporangium aurantiacum菌脲酶，纯化倍......

菌株YIM31331、YIM31333、YIM31355是从云南省丽江、中甸采集的土壤样品中分离得到的具有产杀粘虫活性物质菌株.根据其形态学特征......