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Screening of Anti-Mycobacterium smegmatis Actinomycetes from Special Habitats and the Preliminary Study of a Positive Strain

Abstract

随着陆生放线菌资源不断被发掘和深入研究,常规发酵方法下所得到的次生代谢产物资源越来越稀少,为新药发现造成阻碍。目前,很多学者已经把目光投向了一些特殊生境中的放线菌,包括海洋、动植物内生和一些极端环境。近些年来,由于耐药结核菌(XDR-TB,MDR-TB)的产生和传播,使全球范围的结核病疫情有上升趋势。耐药菌株对临床上常用的利福平等药物已产生严重耐药性,近五十年未发现新靶点的抗结核临床一线药物。因此,寻找具有抗结核分枝杆菌活性的新化合物仍是制药领域所迫切需要的。而特殊生境中的放线菌次生代谢产物在结构和生物活性方面具有丰富多样性,是寻找新型抗结核药物的潜力资源。 因为许多药物类似物对靶点发挥抑制...Along with terrestrial actinomycetes resources are constantly being discovered and in-depth studied, the secondary metabolite resources produced by conventional fermentation become increasingly scarce. These are obstacles for the discovery of new drugs in pharmaceutical industry. At present, many scholars have focused on the actinomycetes from special habitats, including marine, animal and plant e...学位:理学硕士院系专业:生命科学学院生物学系_微生物学学号:2172009115213

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