Emergence of new genotype and diversity of Theileria orientalis parasites from bovines in India

被引：16
作者：
George, Neena [1 ]
Bhandari, Vasundhra [1 ]
Reddy, D. Peddi [1 ]
Sharma, Paresh [1 ]
机构：
[1] Natl Inst Anim Biotechnol DBT, Hyderabad, Andhra Pradesh, India
来源：
INFECTION GENETICS AND EVOLUTION | 2015年 / 36卷
关键词：
Theileriosis; Major piroplasm surface protein; Phylogeny; Antigenic diversity; GENETIC DIVERSITY; PHYLOGENETIC ANALYSIS; MOLECULAR PREVALENCE; EPIDEMIOLOGIC SURVEY; CATTLE; INFECTION; ANNULATA; BUFFALOS;
D O I：
10.1016/j.meegid.2015.08.033
中图分类号：
R51 [传染病];
学科分类号：
100401 ;
摘要：
Bovine theileriosis is a serious threat to livestock worldwide. Uncertainty around species prevalence, antigenic diversity and genotypes of strains make it difficult to assess the impact of this parasite and to provide necessary treatment. We aimed to characterize genotypic diversity, phylogeny and prevalence of Theileria orientalis parasites from the states of Telangana and Andhra Pradesh, India by collecting bovine blood samples from the major districts of the two states. Bioinformatic analysis identified antigenic diversity among the prevalent parasite strains using major piroplasm surface protein (MPSP) gene. Our study revealed a prevalence rate of 4.8% ( n=41/862) of T. orientalis parasites in bovine animals and a new genotype of T. orientalis parasite which was not previously reported in India. The emergence of these new genotypes could be an explanation for the frequent outbreaks of bovine theileriosis. Further, whole genome sequencing of T. orientalis strains will help to elucidate the genetic factors relevant for transmissibility and virulence as well as vaccine and new drug development. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：27 / 34
页数：8
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