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Bacterial Strains (Rickettsia)

bacteria

Bacterial Strain Sections

Rickettsia:

Empiric drug regimens listed for the various bacterial strains are for ADULT patients with normal renal function. Review the relevant package insert for additional prescribing information.

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Rickettsia
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>Coxiella burnetii
>Ehrlichia species, Anaplasma
     1] Anaplasma phagocytophilum (Ehrlichia phagocytophilum)
     2] Ehrlichia chaffeensis
     3] Ehrlichia ewingii
     4] Ehrlichia ewubguum
>Others
 

Comments:



Rickettsia 
  • (non-motile, Gram-negative, non-sporeforming bacteria).    
  • Highly pleomorphic:  can present as cocci (0.1 µm in diameter), rods (1-4 µm long) or thread-like (10 µm long).     
  • Obligate intracellular parasite. Survival depends on entry, growth, and replication within the cytoplasm of eukaryotic host cells.
  • --Unlike Chlamydia, Mycoplasma, and Ureaplasma, Rickettsial organisms possess true cell walls similar to other Gram-negative bacteria.   
  • Freqently carried by chiggers, ticks, fleas, and lice.  
  • Causitive organism in typhus, rickettsialpox, Boutonneuse fever, African tick bite fever, Rocky Mountain spotted fever, Flinders Island spotted fever and Queensland tick typhus. 
  •  Source - accessed 9/2013: http://en.wikipedia.org/wiki/Rickettsia
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