MIDTERM 08 - Obligate Intracellular Arthropod-Borne Bacteria Flashcards
Rickettsia sp. and Orientia sp. are part of the family __________
Rickettsiaceae
Ehrlichia sp. and Anaplasma sp. are part of the family __________
Anaplasmataceae
Coxiella burnetti is part of the family __________
Coxiellaceae
2 gram negative coccobacilli part of the family Rickettsiaceae; they are grouped based on their clinical features, epidemiologic aspects, and immunologic characteristics (RO)
Rickettsia, Orientia
2 culture media for Rickettsia and Orientia (YC)
Yolk sac of embryonated eggs, Cell cultures
Causes epidemic typhus and Brill-Zinsser disease (Rickettsia species; typhus group)
Rickettsia prowazekii
Causes Murine typhus, endemic typhus, and flea-borne typhus (Rickettsia species; typhus group)
Rickettsia typhi
Causes scrub typhus (Orientia spcies; scrub typhus group)
Orientia tsutsugamushi
Causes Rocky mountain spotted fever (Rickettsia species; spotted fever group)
Rickettsia rickettsii
Causes Fievre boutonneuse, Mediterranean spotted fever, Israeli spotted fever, South African tick fever, African (Kenya) tick typhus, and Indian tick typhus (Rickettsia species; spotted fever group)
Rickettsia conorii
Causes Siberian tick typhus (North Asian tick typhus) (Rickettsia species; spotted fever group)
Rickettsia sibirica
Causes Rickettsial pox (Rickettsia species; transitional group)
Rickettsia akari
Causes Queensland tick typhus (Rickettsia species; transitional group)
Rickettsia australis
2 gram-negative bacteria part of the family Anaplasmaceae; causes Ehrlichiosis
Ehrlichia, Anaplasma
Characterized by fever, chills, headache, myalgia, nausea or vomiting, anorexia, and weight loss (Clinical findings of Ehrlichia and Anaplasma)
Ehrlichiosis
Causes human monocyte ehrlichiosis (Ehrlichia species)
Erlichia chaffeensis
Causes human granulocyte anaplasmosis (Anaplasma species)
Anaplasma phagocytophilum
Causes Ewingii ehrlichiosis (Ehrlichia species)
Ehrlichia ewingii
Has a gram-negative cell wall but cannot be stained; part of the family Coxiellaceae
Coxiella burnetti
Associated with goats, sheep, dairy cattle, or parturient cats; in acute stages, it resembles influenza, nonbacterial pneumonia, and hepatitis; in chronic stages it causes infective carditis (Clinical findings of Coxiella burnetti)
Q Fever
