Rickettsia Gram-negative(Alpha purple) Coccoid or rod-shaped Obligate intracellular parasites phus Fever Rocky Mountain Spotted Fever Q Fever (by Coxiella burnetii) Transmitted by arthropod vectors or by aerosols (Coxiella burnetii) Close relationship with Agrobacterium tumefaciens Representatives: Rickettsia Rochalimaea coxiella
Rickettsias Gram-negative (Alpha purple) Coccoid or rod-shaped Obligate intracellular parasites: Typhus Fever Rocky Mountain Spotted Fever Q Fever (by Coxiella burnetii) Transmitted by arthropod vectors or by aerosols (Coxiella Burnetii) Close relationship with Agrobacterium tumefaciens Representatives: Rickettsia, Rochalimaea, Coxiella
Chlamydia Obligate parasites Three species C. psittaci(psittacosis) C trachomatis(trachoma) C pneumoniae probably have the simplest biochemical abilities of all 必出 cellular organisms What are the differences between Richettsia, Chlamydia and Viruses?
Chlamydias Obligate parasites Three species: C. psittaci (psittacosis) C. trachomatis (trachoma) C. pneumoniae probably have the simplest biochemical abilities of all cellular organisms What are the differences between Richettsia, Chlamydias and Viruses?