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| These bacteria only grow in the presence of living eukaryotic cells as they are unable to synthesise ATP therefore requiring intermediates from host cells. There are two morphological forms: | | These bacteria only grow in the presence of living eukaryotic cells as they are unable to synthesise ATP therefore requiring intermediates from host cells. There are two morphological forms: |
| *Elementary body, the infective extracellular form, which is small, metabolically inert and osmotically stable; surrounded by cytoplasmic membrane, outer membrane with LPS, but no peptidoglycan | | *Elementary body, the infective extracellular form, which is small, metabolically inert and osmotically stable; surrounded by cytoplasmic membrane, outer membrane with LPS, but no peptidoglycan |
− | *Retiuculate body: larger, metabolically active, osmotically fragile | + | *Reticulate body: larger, metabolically active, osmotically fragile |
| The elementary body survives in the environment for several days. | | The elementary body survives in the environment for several days. |
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| | | |
| ==Pathogenesis and Pathogenicity== | | ==Pathogenesis and Pathogenicity== |
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| ==Species Specific Infections== | | ==Species Specific Infections== |
| ===Sheep=== | | ===Sheep=== |
− | *Sporadic or outbreaks of [[Joints Inflammatory - Pathology#In Sheep|lamb polyarthritis]] | + | *Sporadic or outbreaks of lamb polyarthritis |
| *High morbidity, low mortality | | *High morbidity, low mortality |
| *Commonly occurs together with conjunctivitis | | *Commonly occurs together with conjunctivitis |
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| *Severe disease in young calves | | *Severe disease in young calves |
| *High mortality | | *High mortality |
− | *Can be seen in smears of synovial fluid from [[Joints Inflammatory - Pathology#In Cattle|swollen joints]] | + | *Can be seen in smears of synovial fluid from swollen joints |
| *Oedematous and hyperaemic surrounding tissue | | *Oedematous and hyperaemic surrounding tissue |
| *Possibly due to intrauterine infection | | *Possibly due to intrauterine infection |
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| [[Category:Chlamydophila species]] | | [[Category:Chlamydophila species]] |
| + | ==Webinars== |
| + | <rss max="10" highlight="none">https://www.thewebinarvet.com/infection-control-and-biosecurity/webinars/feed</rss> |