Canine hepatozoonosis is a tick-borne protozoan disease and widespread in Europe, Africa, Asia and America. There is not any available data about the presence of Hepatozoon infections in dogs in Kyrgyzstan. In the study we aimed that investigate the presence of Hepatozoon canis and the prevalance of Hepatozoon infections in dogs from Kyrgyzstan using polymerase chain reaction (PCR) and sequence analysis. To determine the prevelance of hepatozoonosis in dogs, a total of 170 blood samples were applied to PCR to amplify a fragment of 666 bp found in 18S SSU rRNA gene of Hepatozoon spp. The PCR results shown that Hepatozoon infection rate was 28.8% (49/170) in dogs. Eleven representative positive samples were sequenced to classification of the species. The nucleotide sequences were compared to the H. canis sequences which registered in GenBank using the basic local alignment search tool. Results of sequence analyse of 11 amplicons indicated that 8 were 100% identical and the other 3 sequences shared 99% similarity with H. canis. The sequences were deposited in Genbank with accession numbers from MG917709 to MG917719. It was the first record of H. canis in dogs in Kyrgyzstan.
Köpeklerde hepatozoonozis kenelerle nakledilen ve Afrika, Avrupa, Asya ile Amerika’da yaygın olarak görülen protozoan bir hastalıktır. Kırgızistan’da köpeklerde Hepatozoon enfeksiyonlarının varlığına dair bir bilgiye ulaşılamamıştır. Bu çalışmada, polimeraz zincir reaksiyonu (PZR) ve sekans analizi ile Kırgızistan’da köpeklerde Hepatozoon enfeksiyonlarının yaygınlığının ve Hepatozoon canis’in varlığının belirlenmesi amaçlanmıştır. Hepatozoon enfeksiyonlarının prevalansını belirlemek için 170 kan örneğine, Hepatozoon spp. 18S SSU rRNA geninin 666 bp’lik kısımını amplifiye etmek üzere PZR uygulanmıştır. PZR sonucunda Hepatozoon spp. enfeksiyon oranı %28.8 (49/170) olarak ortaya çıkmıştır. On bir PZR pozitif DNA örneğinin DNA dizilimi belirlenmiş ve elde edilen DNA dizilimleri BLAST programı kullanılarak GenBank’ta kayıtlı diğer dizilimlerle karşılaştırılmıştır. Bunlardan 8’inin GenBankasında kayıtlı H. canis DNA dizilimleri ile %100 oranında eşleştiği, diğer 3 dizilimin ise %99 oranında bir benzerliğe sahip olduğu belirlenmiştir. DNA dizilimleri GenBankasına MG917709-MG917719 numaraları altında kaydedilmiştir. Bu çalışma Kırgızistan’da köpeklerde H. canis’in belirlendiği ilk çalışma niteliğindedir.
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