“四体一菌”应该如何称谓?

How to Denominate "Four Pathogens and One Bacterium"

支原体、衣原体、立克次体、螺旋体和放线菌通常被称作"四体一菌",在教材编写中如何恰当地称谓和归属,一直是个难点,也是影响学生准确掌握"细菌"概念的关键。故于此提出疑问,恳请各位同仁切磋。

Mycoplasma, Chlamydia, Rickettsia, Spirochetes and Actinobacteria were generally called ＂four pathogens and one bacterium＂. It was always difficult to be denominated and classified rightly in textbooks, while it was also a key interfering with students to grasp the concept of bacteria exactly. So we raise the question and hope to learn from each other by an exchange of views here.