Primary isolation of spotted fever group rickettsiae from Amblyomma cooperi collected from Hydrochaeris hydrochaeris in Brazil.
This paper reports the first isolation of a spotted fever group rickettsia from an Amblyomma cooperi ixodid collected from a capybara (Hydrochaeris hydrochaeris) in an endemic area of spotted fever in the County of Pedreira, State of São Paulo, Brazil. Isolation was performed in Vero cell culture and submitted to immunofluorescence, using antibody from Rickettsia rickettsii-positive human serum.
de Lemos
E R
ER
Departamento de Medicina Tropical, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brasil.
Melles
H H
HH
Colombo
S
S
Machado
R D
RD
Coura
J R
JR
Guimarães
M A
MA
Sanseverino
S R
SR
Moura
A
A
D000818:Animals; D001179:Arthropod Vectors; D001938:Brazil; D005260:Female; D019084:Fluorescent Antibody Technique, Indirect; D012284:Rickettsia rickettsii / Q000302:isolation & purification*; D012373:Rocky Mountain Spotted Fever / Q000382:microbiology* / Q000635:transmission; D013987:Ticks / Q000382:microbiology*