Comparison of partial ribosomal DNA sequences of Babesia gibsoni occurring in Miyazaki prefecture, Japan.
Nucleotide sequences of ribosomal DNA (rDNA) of Babesia (B.) gibsoni occurring in Miyazaki, western Japan, were examined using blood samples obtained from seven dogs suffering from natural canine babesiosis. DNA isolated from these blood samples was subjected to the polymerase chain reaction (PCR). The nucleotide sequences of the PCR products were determined and compared with other rDNA sequences of B. gibsoni isolated from Asia, Europe and U.S.A. Although homology values between our isolates and those isolated from Europe and U.S.A. were both 84.0%, respectively, our isolates were identical to the Asian types. In conclusion, B. gibsoni occurring in Miyazaki was revealed to have the genotype Asia 1 or Asia 2 from a comparison of the partial rDNA sequences.
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Department of Veterinary Internal Medicine, Faculty of Agriculture, Miyazaki University, Japan.
Makimura
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Harasawa
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D000818:Animals; D001403:Babesia / Q000737:chemistry / Q000235:genetics*; D001404:Babesiosis / Q000662:veterinary*; D001483:Base Sequence; D016054:DNA, Protozoan / Q000737:chemistry / Q000235:genetics* / Q000302:isolation & purification; D004275:DNA, Ribosomal / Q000737:chemistry / Q000235:genetics*; D004283:Dog Diseases / Q000469:parasitology*; D004285:Dogs; D007564:Japan; D008969:Molecular Sequence Data; D010802:Phylogeny; D016133:Polymerase Chain Reaction / Q000662:veterinary; D016415:Sequence Alignment; D017422:Sequence Analysis, DNA; D012689:Sequence Homology, Nucleic Acid
D016054:DNA, Protozoan; D004275:DNA, Ribosomal