18.1 Nonsporulating Firmicutes Key genera:Staphylococcus,Micrococcus, Streptococcus,Lactobacillus,Sarcina ·Staphylococcus and Micrococcus葡萄球菌属与微球菌属 -Aerobic,cocci好氧，球状 Resistant to reduced water potential -Tolerate high salt耐高盐 -Many species are pigmented许多可产色素 -Staphylococcus aureus金黄色蔔萄球菌 (a) (b)Chen Feng, Microbiology, SJTU 18.1 Nonsporulating Firmicutes • Key genera: Staphylococcus, Micrococcus, Streptococcus, Lactobacillus, Sarcina • Staphylococcus and Micrococcus 葡萄球菌属与微球菌属 – Aerobic, cocci 好氧，球状 – Resistant to reduced water potential – Tolerate high salt 耐高盐 – Many species are pigmented 许多可产色素 – Staphylococcus aureus金黄色葡萄球菌