[미생물학]세균의 분류
| Morphology | Gram positive | Gram negative |
| Circular(coccus) | Staphylococcus Streptococcus | Neisseria |
| Rod(bacillus) | Clostridium Corynebacterium Bacillus Listeria Mycobacterium(acid fast) | Enterics : E. coli Shigella Salmonella Yersinia Klebsiella Proteus Enterobacter Serratia Vibrio Campylobacter Helicobacter Pseudomonas Bacteriodes Haemophilus Legionella(silver) Bordetella Franscisella Brucella Pasteurella Bartonella Gardnerella(gram variable) |
| Spiral | Spirochetes : Leptospira Borrelia(Giemsa) Treponema | |
| Branching filamentous | Actinomyces Nocardia(weakly acid fast) | |
| Pleomorphic | Rickettsiae Chlamydiae(Giemsa) | |
| No cell wall | Mycoplasma |