Difference between revisions of "Chlamydia and Chlamydophila species"

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<big><center>[[Infectious agents and parasites|'''BACK TO INFECTIOUS AGENTS AND PARASITES''']]</center></big>
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#REDIRECT[[:Category:Chlamydophila species]]
<big><center>[[Bacteria|'''BACK TO BACTERIA''']]</center></big>
 
 
 
 
 
''Chlamydophila psittaci'' involved in [[Nasal cavity - inflammatory#In Cats|feline rhinotracheitis]] together with [[Herpesviridae|herpes virus 1]] C.psittaci more frequently infects the conjunctival epithelium -> chronic conjunctivitis, see [[Bacterial infections#Feline Chlamydiosis|feline chlamydiosis]]
 
 
 
*May cause [[Joints - inflammatory#In Sheep|arthritis in sheep]] and [[Joints - inflammatory#In Cattle|arthritis in cattle]]
 
 
 
===Overview===
 
 
 
 
 
 
 
 
 
===Characteristics===
 
 
 
*Obligate intracellular bacteria
 
*Gram negative bacteria with outer membrane, LPS, ribosomes, DNA and RNA
 
*Peptidoglycan cell wall resistant to lysozyme
 
*Only grow in presence of living eukaryotic cells
 
*Unable to synthesis ATP therefore require intermediates from host cells
 
*
 
 
 
 
 
 
 
===Pathogenesis and pathogenicity===
 
 
 
*Elementary body, the infective form, phagocytosed and internalised into host epithelial cells
 
*Transformation into larger reticulate body
 
*Reticulate body divides by binary fission to form many new chlamydia cells
 
*Reticulate body has un-crosslinked peptidoglycan, which is cross-linked to form elementary bodies
 
*Elementary bodies released from dying host cells to infect other cells
 
 
 
 
 
===Clinical infections===
 
 
 
 
 
===Diagnosis===
 
 
 
 
 
===Treatments===
 

Latest revision as of 10:16, 12 May 2010