J Vet Sci.  2018 Nov;19(6):846-849. 10.4142/jvs.2018.19.6.846.

Molecular phylogenetic studies on clinical bovine piroplasmosis caused by benign Theileria in Shaanxi Province, China

Affiliations
  • 1Department of Veterinary Pharmaceutical, Jiangsu Agri-animal Husbandry Vocational College, Taizhou 225300, China. kenhtsjj@163.com
  • 2Lanzhou Institute of Husbandry and Veterinary Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Key Laboratory for Veterinary Drug Innovation, Ministry of Agriculture, Lanzhou 730050, China.

Abstract

A group of benign Theileria species, which are often referred to as T. orientalis/T. buffeli/T. sergenti group, has low pathogenicity in cattle. Herein, we report on Theileria spp. in cattle on a farm from China. Based on phylogenetic analysis of the major piroplasm surface protein gene sequences, we detected 6 genotypes that were categorized as Types 1, 2, 3, 4, and 5 as well as an additional Type 9 genotype. The new epidemiological features of the T. orientalis/T. buffeli/T. sergenti parasites in China indicate a greater diversity in the genetics of these species than had been previously thought.

Keyword

MPSP gene; Theileria spp.; genotype; phylogeny
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