This is a mind map about rickettsiae, medical microorganisms, including common characteristics, biological characteristics, classification, etc. Welcome to follow and like~
With cell wall (Orientia, Ehrlichia, Anaplasma without peptidoglycan)
Obligate intracellular parasitism, reproduction by binary fission
Arthropods are vectors of transmission and are zoonotic
Sensitive to tetracycline and chloramphenicol
biological properties
form and structure
G-not easy to dye, commonly used Giemsa dyeing (purple red)
There is a microcapsule-like protein layer on the surface of the membrane, composed of polyproteins OmpA and OmpB, which has adhesion to host cells and anti-phagocytic effects.