Rickettsiales

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BACTERIA



Overview

  • Cause systemic diseases in animals
  • Usually use arthropod vectors


Characteristics

  • Non-motile, pleomorphic Gram-negative organisms
  • Obligate intracellular pathogens
  • Require live cells for culture such as tissue culture cells or embryonated eggs
  • Require Romanowsky stains
  • Host and cell type specificity