Line 8: |
Line 8: |
| 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. |
− |
| |
| | | |
| ==Pathogenesis and Pathogenicity== | | ==Pathogenesis and Pathogenicity== |
Line 31: |
Line 30: |
| *Serological tests: complement fixation, ELISA, indirect immunofluorescence | | *Serological tests: complement fixation, ELISA, indirect immunofluorescence |
| | | |
| + | ==Species Specific Infections== |
| + | ===Sheep=== |
| + | *Sporadic or outbreaks of lamb polyarthritis |
| + | *High morbidity, low mortality |
| + | *Commonly occurs together with conjunctivitis |
| + | *Most recover but may remain chronically lame |
| | | |
− | *May cause [[Joints Inflammatory - Pathology#In Sheep|arthritis in sheep]] and [[Joints Inflammatory - Pathology#In Cattle|arthritis in cattle]]
| |
− |
| |
− | '''sheep'''
| |
− | *[[:Category:Chlamydophila species|'''''Chlamydia sp.''''']]
| |
− | **Sporadic or outbreaks of lamb polyarthritis
| |
− | **High morbidity, low mortality
| |
− | **Commonly together with conjunctivitis
| |
− | **Most recover but may remain lame
| |
− |
| |
− |
| |
− | '''cattle'''
| |
| | | |
− | **[[:Category:Chlamydophila species|'''''Chlamydia sp.''''']]
| + | ===Cattle=== |
− | ***Severe disease in young calves
| + | *Severe disease in young calves |
− | ***High mortality
| + | *High mortality |
− | ***Can be seen in smears of synovial fluid from 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 |
| | | |
| | | |
| [[Category:Chlamydophila species]] | | [[Category:Chlamydophila species]] |
| + | ==Webinars== |
| + | <rss max="10" highlight="none">https://www.thewebinarvet.com/infection-control-and-biosecurity/webinars/feed</rss> |