CHAPTER 27: Chlamydia, Mycoplasma and Rickettsia Flashcards
Chlamydia sp that infects the eye and genital tract
Chlamydia trachomatis
2 respiratory Chlamydial pathogens
C. pneumonia
C. psittaci
2 forms of Chlamydia
Reticulate body
Elementary body
C. trachomatis serotypes associated with trachoma and neonatal conjunctivitis
A-C
C. trachomatis serotypes associated with acute urethritis and pelvic inflammatory disease
D-K
C. trachomatis serotypes L1-L3 is associated with ____________
Lymphogranuloma venereum
________, a pathogen of birds and mammals, causes
psittacosis in humans.
Chlamydia psittaci
2 small bacteria that lack cell wall
Mycoplasma
Ureaplasma
_________, a human respiratory pathogen, is the
second most common cause of respiratory infection after Streptococcus pneumoniae
Mycoplasma pneumoniae
Mycoplasma pneumoniae adheres to host cells by the ____ protein, localizing to the base of the cilia where it induces _____________
P1
Ciliostasis
Treatment for Mycoplasma
Erythromycin, tetracycline, aminoglycosides,
rifampicin, chloramphenicol and quinolones
3 Groups of Rickettsia
Spotted fever
Scrub typhus
Typhus
The typhus group of Rickettsia includes __________, which cause epidemic and murine typhus respectively.
R. prowazekii and R. typhi
Scrub typhus is caused by a single specie of Rickettsia, _______
Rickettsia tsutsugamushi
Relapse of R. prowazekii infection months or years later, which is known as ______ and is usually milder than the primary infection
Brill–Zinsser disease
____________ are the treatments of choice for Rickettsia, but must be initiated early to influence the outcome.
Tetracyclines and chloramphenicol
__________ is a pathogen of cattle, sheep and goats, which localizes in the placenta. It survives desiccation in the environment and is transmitted by contact with infected animals or their products
via the aerosol route
Coxiella burnetii
___ fever of Coxiella infection presents as atypical pneumonia, pyrexia of uncertain origin and hepatitis
Q fever
