Shigella (genus)
Proteobacteria
Cyanobacteria (genus)
Cyanobacteria
Streptococcus (genus)
Firmicutes
Are cultivated only in living tissue
Rickettsiae
Vibrio (genus)
Proteobacteria
Mycoplasma (genus)
Firmicutes
Escherichia (genus)
Proteobacteria
Borrelia (genus)
Spirochaetes
Mycobacterium (genus)
Actinobacteria
Clostridium (genus)
Firmicutes
Neisseria (genus)
Proteobacteria
Streptomyces (genus)
Actinobacteria
Yersinia (genus)
Proteobacteria
Bacillus (genus)
Firmicutes
Chlymedia (genus)
Chlymedia
Staphylococcus (genus)
Firmicutes
Treponema pallidum (genus)
Spirochaetes
Rickettsia (genus)
Proteobacteria
Transmitted by arthropods
Rickettsiae
Salmonella (genus)
Proteobacteria
Lacks a cell wall
Mycoplasma