Detection and identification of Sarcocystis cruzi (Protozoa: Apicomplexa) by molecular and ultrastructural studies in naturally infected Korean Cattle (Bos taurus coreanae) from Daejeon, Korea

Tong Il Choi, Eui Ju Hong, Si Yun Ryu, Cheolho Sim, Joon Seok Chae, Hyeon Cheol Kim, Jinho Park, Kyoung Seong Choi, Do Hyeon Yu, Jae Gyu Yoo, Bae Keun Park

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Abstract

To survey the prevalence of Sarcocystis infections, 210 heart samples were collected from Korean native cattle (Bos taurus coreanae) at an abattoir in Daejeon Metropolitan City, Republic of Korea. Sarcocysts were detected form 31 specimens (14.8%) and identified as Sarcocystis cruzi via transmission electron microscopy. The wall of S. cruzi has flattened protrusions that did not contain fibrils or microfilaments. The protrusions arose irregularly from the base, contained a fine granular substance, lacked internal microfilaments, and measured approximately 0.21-1.25 μm in length and 0.05-0.07 μm in width. Sequence analysis revealed 99.5% homology to S. cruzi. This is the first report on the prevalence of S. cruzi in native cattle from the Republic of Korea.

Original languageEnglish
Pages (from-to)121-127
Number of pages7
JournalKorean Journal of Parasitology
Volume56
Issue number2
DOIs
StatePublished - Apr 2018

Keywords

  • 18S rRNA
  • Bos taurus coreanae
  • Sarcocystis cruzi
  • Ultrastructure

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