[Survey of Rickettsia spp in the ticks Amblyomma cajennense and Amblyomma dubitatum in the State of São Paulo].
The presence of rickettsial infection was surveyed in 3,545 Amblyomma cajennense ticks and 2,666 Amblyomma dubitatum ticks. Using the hemolymph test, polymerase chain reaction and isolation of Rickettsia in cell cultures, all of the Amblyomma cajennense were negative, whereas 634 (23.8%) of the Amblyomma dubitatum ticks were shown to be infected with Rickettsia bellii.
Pacheco
Richard Campos
RC
Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP. pachecorc@hotmail.com
Horta
Maurício Cláudio
MC
Pinter
Adriano
A
Moraes-Filho
Jonas
J
Martins
Thiago Fernandes
TF
Nardi
Marcello Schiavo
MS
Souza
Savina Silvana Aparecida Lacerra de
SS
Souza
Celso Eduardo de
CE
Szabó
Matias Pablo Juan
MP
Richtzenhain
Leonardo José
LJ
Labruna
Marcelo Bahia
MB
D000818:Animals; D001096:Arachnid Vectors / Q000382:microbiology*; D001938:Brazil; D026863:Ixodidae / Q000382:microbiology*; D012281:Rickettsia / Q000302:isolation & purification*