18.1 Nonsporulating Firmicutes Sarcina八叠球菌 Obligate anaerobes Extremely acid tolerant Can inhabit and grow in stomachs of monogastric animals分布于单胃动物的胃中 (a) (b) 2012 Pearson Education,IneChen Feng, Microbiology, SJTU • Sarcina 八叠球菌 – Obligate anaerobes – Extremely acid tolerant – Can inhabit and grow in stomachs of monogastric animals 分布于单胃动物的胃中 18.1 Nonsporulating Firmicutes