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| + | #REDIRECT[[:Category: Rickettsiales]] |
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| − | {{toplink
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| − | |backcolour =
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| − | |linkpage =Bacteria
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| − | |linktext =BACTERIA
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| − | |pagetype=Bugs
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| − | }}
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| − | <br>
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| − | ===Overview===
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| − | *Cause systemic diseases in animals
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| − | *Usually use arthropod vectors
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| − | ===Characteristics===
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| − | *Non-motile, pleomorphic Gram-negative organisms
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| − | *Obligate intracellular pathogens
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| − | *Require live cells for culture such as tissue culture cells or embryonated eggs
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| − | *Require Romanowsky stains
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| − | *Host and cell type specificity
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