Molecular detection of Ehrlichia canis in dogs from the Pantanal of Mato Grosso State, Brazil Detecção molecular de Ehrlichia canis em cães do Pantanal do Mato Grosso, Brasil

oleh: Luana Gabriela Ferreira dos Santos, Andréia Lima Tomé Melo, Jonas Moraes-Filho, Rute Witter, Marcelo Bahia Labruna, Daniel Moura de Aguiar

Format: Article
Diterbitkan: Colégio Brasileiro de Parasitologia Veterinaria 2013-01-01

Deskripsi

The present study evaluated the presence of Ehrlichia DNA in the blood samples of 320 dogs from the urban and rural areas of the municipality of Pocon&#233;, Pantanal region, Mato Grosso state, by Polymerase Chain Reaction (PCR), targeting the ehrlichial dsb gene. Risk factors for infection in dogs were also evaluated. Forty-eight (15%, 95% CI: 11.4-19.5%) dogs were positive: 25 (15.6%, 95% CI: 10.4-22.2%) from the urban area and 23 (14.4%, 95% CI: 9.3-20.8%) from the rural area (P > 0.05). Partial DNA sequence obtained from PCR products of 18 samples from the urban area and 16 samples from the rural area were 100% identical to E. canis from Brazil and the USA. This study reports the first E. canis molecular detection in dogs from the northern Pantanal region.<br>O presente estudo avaliou a presen&#231;a de DNA de Ehrlichia spp. em 320 c&#227;es das &#225;reas urbana e rural do munic&#237;pio de Pocon&#233;, regi&#227;o do Pantanal de Mato Grosso, pela PCR visando o gene dsb. Os fatores de risco para a infec&#231;&#227;o em c&#227;es tamb&#233;m foram avaliados. Quarenta e oito (15%, IC 95%: 11,4-19,5%) c&#227;es foram positivos, 25 (15,6%, IC 95%: 10,4-22,2%) da &#225;rea urbana e 23 (14,37%, 95% CI: 9,3-20,8%) da &#225;rea rural (P > 0,05). Sequ&#234;ncias parciais de DNAs obtidos a partir de produtos da PCR de 18 amostras da &#225;rea urbana e 16 da &#225;rea rural foram 100% id&#234;nticas a E. canis do Brasil e EUA. Este estudo relata a primeira detec&#231;&#227;o molecular de E. canis em c&#227;es da regi&#227;o norte do Pantanal.