I.Firmicutes,Mollicutes,and Actinobacteria 厚壁菌门，柔膜菌门和放线菌 18.1 Nonsporulating Firmicutes 18.2 Endospore-Forming Firmicutes 18.3 Mollicutes:The Mycoplasmas 18.4 Actinobacteria:Coryneform and Propionic Acid Bacteria 18.5 Actinobacteria:Mycobacterium 18.6 Filamentous Actinobacteria:Streptomyces and Relatives CHEN FENG,MICROBIOLOGY,SJTUChen Feng, Microbiology, SJTU I. Firmicutes, Mollicutes, and Actinobacteria 厚壁菌门，柔膜菌门和放线菌 • 18.1 Nonsporulating Firmicutes • 18.2 Endospore-Forming Firmicutes • 18.3 Mollicutes: The Mycoplasmas • 18.4 Actinobacteria: Coryneform and Propionic Acid Bacteria • 18.5 Actinobacteria: Mycobacterium • 18.6 Filamentous Actinobacteria: Streptomyces and Relatives