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Genetic diversity of two selected antigen loci in Babesia gibsoni Asian genotype obtained from Japan and Jeju island of South Korea

  • Honglin Jia
  • , Gabriel Oluga Aboge
  • , M. Alaa Terkawi
  • , Youn Kyoung Goo
  • , Yoshifumi Nishikawa
  • , Ken Kuriki
  • , Kyoung Kap Lee
  • , Hyung Kwan Jang
  • , Suk Kim
  • , Kozo Fujisaki
  • , Xuenan Xuan

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Previous reports have shown that the secreted antigen 1 of Babesia gibsoni (BgSA1) and the thrombospondin-related adhesive protein of B. gibsoni (BgTRAP) are promising diagnostic reagents and vaccine candidates. Therefore, we determined the extent of nucleotide sequence variation in the BgSA1 and BgTRAP genes, obtained from eight isolates of B. gibsoni got from clinically infected dogs in geographically distinct areas of Japan and one isolate from Jeju island of South Korea. Sequence analyses have revealed that nucleotide diversity is lower in BgSA1 than that in BgTRAP. The mean number of non-synonymous (dn) nucleotide substitutions was significantly greater than that of synonymous (ds) ones per site in region II of BgTRAP. Overall, the results predict more allele-specific immunity to BgTRAP than that to BgSA1, which could be useful in designing and testing efficacy of diagnostic reagents as well as vaccine candidates for the B. gibsoni isolates from Japan and Jeju island of South Korea.

Original languageEnglish
Pages (from-to)142-146
Number of pages5
JournalVeterinary Parasitology
Volume162
Issue number1-2
DOIs
StatePublished - 26 May 2009

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Babesia gibsoni
  • Secreted antigen 1 (BgSA1)
  • Sequence variation thrombospondin-related adhesive protein (BgTRAP)

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