Rickettsia, Chlamydia, Spirochetes, Ureaplasma, Mycoplasma Flashcards
Obligate intracellular organisms
Rickettsia
Chlamydia
Culture media for Rickettsia
Yolk sac / embryonated eggs
This is where Rickettsia multiplies inside man
Endothelial cells
SPOTTED GRP:
Rocky Mountain Spotted Fever
R. rickettsii
SPOTTED GRP:
Rickettsial pox (Mites)
R. akari
SPOTTED GRP:
Australian/Queensland tick typhus (Ticks)
R. australis
SPOTTED GRP:
Boutonneuse fever (Ticks)
R. conorii
TYPHUS GRP:
Epidemic typhus
Sporadic typhus
Brill-Zinser disease
(Lice)
R. prowazekii
TYPHUS GRP:
Murine typhus
Endemic typhus
(Fleas)
R. typhi
Scrub typhus (Mites-Chiggers)
Orientia tsutsugamushi
Q fever (Ticks-Aerosols)
Coxiella burnetti
EHRLICHIOSIS
Human MONOCYTE ehrlichiosis (Ticks)
Ehrlichia chaffeensis
EHRLICHIOSIS
Human GRANULOCYTE ehrlichiosis ( Ticks)
Ehrlichia phagocytophila
Ehrlichia ewingii
EHRLICHIOSIS
Senetsu fever (Ticks)
Neorickettsia sennetsu
2 forms of Chlamydia:
Reticulate body (replicative)
Elementary body (infectious)
Detection of Elementary bodies in Chlamydia trachomatis
DFA: Direct Fluorescence Antibody staining
(Fluorescein-isothiocyanate conjugated monoclonal abs) FITC
McCoy Cells for culture
Chlamydia
TWAR strain
Taiwan Acute Respiratory Strain
Chlamydia pneumoniae
Psittacosis/Ornithosis
Chlamydia psittaci
Causative agent of:
Chlamydia, Trachoma, Lymphagranuloma venereum, Inclusion conjunctivitis
Chlamydia trachomatis
Pleomorphic organisms that lack cell wall
Ureaplasma
Mycoplasma
Smallest free-living organisms capable of growing in artificial media
Ureaplasma
Mycoplasma
Ureaplasma and Mycoplasma requires what growth factor to survive
Sterols (Cholesterol)
Primary atypical pneumonia
Walking pneumonia
Mycoplasma pneumoniae
Medium for Mycoplasma pneumoniae
SP4 broth (yellow)
Post abortal fever
Postpartum fever
Mycoplasma hominis
Fried egg appearance; cause of genital mycoplasma
Mycoplasma hominis
Manganese chloride test (+)
Urease (+)
Ureaplasma urealyticum
Cork-screw motility
Spirochetes
Axial filaments for motility
Spirochetes
Slender with tight coils
Treponema
Thick, few, looser coils
Borrelia
Res. Borrelia but with hooked ends
Leptospira
Comma, helical-shaped, tapered ends
Four flagella/ each end
Brachyspira
Venereal syphilis
Treponema pallidum subsp. pallidum
Yaws
T. pallidum subsp. pertenue
Endemic nonvenereal syphilis
T. pallidum subsp. endemicum
Pinta
T. carateum
Stages of syphilis: (4)
Primary: Chancre
Secondary: Condylomata (wart-like lesions)
Latent: absent symptoms
Tertiary: Gummas + Neurosyphilis
Microscope used for Treponema
Dark-field
Nontreponemal tests
VDRL
RPR
Treponemal tests
FTA-ABS
TP-PA
Louse-borne epidemic relapsing fever
Borrelia recurrentis
Lyme disease
Borrelia burgdoferi (Ixodes ticks)
Bull’s eye lesion
Borrelia burgdoferi
Lyme disease
Causative agent of Leptospirosis:
Leptospira interrogans
Specimen for Early infection for leptospirosis
BLOOD
Specimen after second week of infection of leptospirosis
URINE
Media for Leptospira
EMJH: Ellinghausen-McCullough-Johnson-Harris
Fletcher’s medium