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. 2016 Apr;68(4):539-51.
doi: 10.1007/s10493-015-0010-5. Epub 2016 Jan 22.

First detection and molecular identification of Babesia vogeli from Rhipicephalus sanguineus (Acari: Ixodidae) in Taiwan

Li-Lian Chao  1   2 , Shu-Ting Yeh  2 , Chin-Kuei Hsieh  2 , Chien-Ming Shih  3   4   5
Affiliations

First detection and molecular identification of Babesia vogeli from Rhipicephalus sanguineus (Acari: Ixodidae) in Taiwan

Li-Lian Chao et al. Exp Appl Acarol. 2016 Apr.

Abstract

A total of 578 Rhipicephalus sanguineus ticks collected from dogs in Taiwan were examined for Babesia by species-specific polymerase chain reaction assay based on the 18S small subunit ribosomal RNA (ssrRNA) gene. Babesia DNA was detected in 1.04 % (6/578) of Rh. sanguineus ticks. Phylogenetic analysis revealed that these Babesia spp. were genetically linked to the same clade within the genospecies of Babesia vogeli and could be discriminated from other genospecies of Babesia. Intra-species analysis based on the genetic distance values indicated a lower level (0.079) compared with other genospecies of Babesia (GD > 0.094) and out-group protozoa (GD > 0.236). This study provides the first molecular evidence of B. vogeli detected and identified in various stages of Rh. sanguineus ticks removed from dogs in Taiwan. Detection of Rh. sanguineus in flat male ticks may imply the possible mechanism of transstadial transmission in Rh. sanguineus ticks. The vector competence and the diversity of Babesia species harbored by Rh. sanguineus ticks need to be further investigated.

Keywords: Babesia vogeli; Rhipicephalus sanguineus; Taiwan; Tick.

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