ID Exam 2

  1. Morphology/Growth

    Three periplasmic flagella (axial filaments);Not cultured in artificial media; Grown in rabbits.
    Treponema pallidum ssp. pallidum
  2. Morphology/Growth

    Endoflagella; Endemic and epidemic forms
    Borrelia hermsii /B. recurrentis
  3. Morphology/Growth7-20 endoflagella; Microaerophilic; Grown in BSK (Barbour-Stoenner-Kelley) broth
    Borrelia burgdorferi
  4. Antigenic Structure

    No LPS; outer membrane lipoproteins; hyaluronidase; fibronectin

    No extracellular virulence-producing toxins have been identified
    Treponema pallidum ssp. pallidum
  5. Diagnosed using darkfield microscopy of lymph node aspirate

    Immunoserology Confirmatory Tests include: FTA-ABS

    Other tests include: TP-PA test
    Treponema pallidum ssp. pallidum
  6. Antigenic Structure

    Lipoprotein subsurface components; Outer surface proteins OspA, OspB, OspC
    Borrelia burgdorferi
  7. Diagnosed with IFA or ELISA immunoserology
    Borrelia burgdorferi
  8. Diagnosed with Wright stained thin film blood smear from febrile period
    Borrelia hermsii /B. recurrentis
  9. Antigenic Structure

    VMP (Variable Outer Membrane Protein) undergoes changes in protein sequencing during episodic antigenic variation
    Borrelia hermsii /B. recurrentis
  10. Morphology/Growth

    2 periplasmic flagella anchored at opposite ends

    Stains well with silver impregnation methods

    Obligate aerobes; grow well on semisolid media at 29C; Can survive in untreated water for months-to-years
    L. interrogans
  11. Antigenic Structure

    Specific outer membrane compounds that are associated with serotype-unique epitopes

    No extracellular virulence products
    L. interrogans
  12. Diagnosed with MAT (microscopic agglutination test)
    L. interrogans
Card Set
ID Exam 2