Chlamydia Flashcards Preview

RUSVM Bacteriology Gram Negatives > Chlamydia > Flashcards

Flashcards in Chlamydia Deck (16):
1

Chlamydia - description

Family Chlamydiaceae - Obligate intracellular bacteria - Gram Negative - Elimentary vs. reticulate body

2

Chlamydiaceae - Elimentary body

Infective

3

Chlamydiaceae - Reticulate body

Metabolically active

4

Chlamydiaceae - genuses

Chlamydia spp & Clamydophila spp.

5

Chlamydiaceae - zoonotic species

Chlamydophila abortus, felis, pneumoniae

6

C. abortus in Humans

Influenza-like illness - Abortion - Septicemia - Hepatitis - Kidney dysfuction - Pneumonia - DIC

7

C. pneumoniae in humans

Zoonotic exposure not linked to any cases of human disease

8

C. abortus in Sheep & Goats

Important cuase of enzootic late term abortion (may be carried asymptomatically)

9

C felis in cats

Common cause of conjunctivitis - Blepharospasm, chemosis, congestion, ocular discharge - Mild to moderate rhinitis & pneumonitis

10

Chlamydiaceae life cycle

Elimentary body (stable in env't) taken up by host --> transforms into reticulate bodies (metabolically active) --> divide & differentiate into elementary body --> Released from cell

11

Chlamydiaceae Transmission

Ingestion - Aerosol - Direct inoculation - Other abortion products - Venereal

12

C. felis transmission

Shed in ocular & nasal secretions

13

C. abortus lesion

Placentitis, relatively normal fetus, petechiae

14

C. felis lesions

Conjunctivitis, rhinitis

15

Chlamydiaceae treatments

Tetracycline, erythromycin, quinolones

16

Chlamydiaceae prevention & warnings!

Pregnant women should avoid contact with pregnant or aborting ruminants! - Hygiene! - Use disease-free replacement stock